Workspace.java revision 6178f13e2d1f0c1a89cea74538b51993ef3439e3
131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project/*
231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project
331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project *
431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License");
531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * you may not use this file except in compliance with the License.
631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * You may obtain a copy of the License at
731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project *
831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project *      http://www.apache.org/licenses/LICENSE-2.0
931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project *
1031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Unless required by applicable law or agreed to in writing, software
1131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS,
1231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * See the License for the specific language governing permissions and
1431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * limitations under the License.
1531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */
1631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
17325dc23624160689e59fbac708cf6f222b20d025Daniel Sandlerpackage com.android.launcher3;
1831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
190280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurkaimport android.animation.Animator;
20f358a4bbd6ce5b6ddadfae19e6b9c6872530d627Adam Cohenimport android.animation.AnimatorListenerAdapter;
219443ef5ec69ee673b89c6387f065cf1d45eb2d5bSunny Goyalimport android.animation.AnimatorSet;
2222cba7f9958569a5e4c1dfcce4969daeaa6c898cAdam Cohenimport android.animation.LayoutTransition;
230280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurkaimport android.animation.ObjectAnimator;
24ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohenimport android.animation.PropertyValuesHolder;
256d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyalimport android.animation.ValueAnimator;
266d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyalimport android.animation.ValueAnimator.AnimatorUpdateListener;
277066003b2032a49ae5e59dab9b706259bdeb7e6eSunny Goyalimport android.annotation.SuppressLint;
28c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohenimport android.annotation.TargetApi;
298f573952b8729b4319043ae0908997ecd2d68951Dianne Hackbornimport android.app.WallpaperManager;
30bed61d22bdbfcdbe04f92675c7751b83c7a8947cMichael Jurkaimport android.appwidget.AppWidgetHostView;
31629de3ef739883c0962423cc0c3a26299f162d3dRomain Guyimport android.appwidget.AppWidgetProviderInfo;
32495f2892288504f4ab87e62957b3f71144dd73c2Adam Powellimport android.content.ComponentName;
3331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.Context;
347247f6315baf16eacb3286f21bd80321385c1defPatrick Dubroyimport android.content.res.Resources;
354be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.graphics.Bitmap;
3631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Canvas;
37c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyalimport android.graphics.Matrix;
38babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chungimport android.graphics.Paint;
39b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chungimport android.graphics.Point;
40043f2af567178b82b0b41f12d379e7dd12da2936Winson Chungimport android.graphics.PointF;
4131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Rect;
424be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.graphics.Region.Op;
43f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Projectimport android.graphics.drawable.Drawable;
44c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohenimport android.os.Build;
450fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyalimport android.os.Handler;
46956091ba7863bd72086275e61084864994dd6fa7Joe Onoratoimport android.os.IBinder;
47495f2892288504f4ab87e62957b3f71144dd73c2Adam Powellimport android.os.Parcelable;
4831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.util.AttributeSet;
49291ad12232c98e383d44d76ffe09e97e204c61bcDaniel Sandlerimport android.util.Log;
50a92e0dfa0c8724252c692da59193ee40d0b366a7Sunny Goyalimport android.util.Property;
511462de39f01cec0ba785386532719cb0207dd827Adam Cohenimport android.util.SparseArray;
5231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.MotionEvent;
5331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.View;
544ffec48dec5da7bcf719ac0c37ee5e58f9ea2c1aSunny Goyalimport android.view.ViewDebug;
556e3140865d3f0def2e55934d8b0b2c1503386e54Winson Chungimport android.view.ViewGroup;
566178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyalimport android.view.ViewGroup.LayoutParams;
5753805218809cc1f93a0f1307b442df7c65a3068cAdam Cohenimport android.view.accessibility.AccessibilityManager;
58c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyalimport android.view.animation.DecelerateInterpolator;
59c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyalimport android.view.animation.Interpolator;
606178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyalimport android.widget.Space;
61f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Projectimport android.widget.TextView;
6283a8f042adda926489494dff217c15ab696139b4Sunny Goyal
63bffe745b1e195deedc1dcc60f37950b3b0b4c652Adam Cohenimport com.android.launcher3.Launcher.CustomContentCallbacks;
64c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohenimport com.android.launcher3.Launcher.LauncherOverlay;
65d5bd67dfa9ee5fda2384a75231b7a68ceb8e9bd5Sunny Goyalimport com.android.launcher3.UninstallDropTarget.DropTargetSource;
6683a8f042adda926489494dff217c15ab696139b4Sunny Goyalimport com.android.launcher3.accessibility.LauncherAccessibilityDelegate.AccessibilityDragSource;
67d0a6ae7f645e6ba564aebb50316c53fa2e119459Sunny Goyalimport com.android.launcher3.accessibility.OverviewAccessibilityDelegate;
6858376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyalimport com.android.launcher3.accessibility.OverviewScreenAccessibilityDelegate;
69e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyalimport com.android.launcher3.accessibility.WorkspaceAccessibilityHelper;
70470f900fce017dc015851bfe3e591be5feedf6ccSunny Goyalimport com.android.launcher3.compat.AppWidgetManagerCompat;
71651077bdd603bb182be039925fd17bdf0da15016Sunny Goyalimport com.android.launcher3.compat.UserHandleCompat;
72e0c332365604976d999eb25d4bdcc49ec75b7a1cTony Wickhamimport com.android.launcher3.config.FeatureFlags;
736c56c68555dcb3d99b05d5faecd582a1f683cc92Sunny Goyalimport com.android.launcher3.config.ProviderConfig;
74fedca43d396d6fd7c46fbb2f37dfa7cfe3b31834Vadim Tryshevimport com.android.launcher3.dragndrop.DragController;
75fedca43d396d6fd7c46fbb2f37dfa7cfe3b31834Vadim Tryshevimport com.android.launcher3.dragndrop.DragLayer;
76fedca43d396d6fd7c46fbb2f37dfa7cfe3b31834Vadim Tryshevimport com.android.launcher3.dragndrop.DragScroller;
77fedca43d396d6fd7c46fbb2f37dfa7cfe3b31834Vadim Tryshevimport com.android.launcher3.dragndrop.DragView;
78fedca43d396d6fd7c46fbb2f37dfa7cfe3b31834Vadim Tryshevimport com.android.launcher3.dragndrop.SpringLoadedDragController;
79470f900fce017dc015851bfe3e591be5feedf6ccSunny Goyalimport com.android.launcher3.folder.Folder;
80470f900fce017dc015851bfe3e591be5feedf6ccSunny Goyalimport com.android.launcher3.folder.FolderIcon;
81aa953654279d7cca29682d85111e398ea1f20390Hyunyoung Songimport com.android.launcher3.logging.UserEventDispatcher;
821bce7fd342875be8f7c1f82c8cf21d0199c8d544Tony Wickhamimport com.android.launcher3.shortcuts.DeepShortcutManager;
831bce7fd342875be8f7c1f82c8cf21d0199c8d544Tony Wickhamimport com.android.launcher3.shortcuts.ShortcutsContainerListener;
84ddec1c739ef37c3a042982b8943fe42e04b65f4cHyunyoung Songimport com.android.launcher3.userevent.nano.LauncherLogProto;
85ddec1c739ef37c3a042982b8943fe42e04b65f4cHyunyoung Songimport com.android.launcher3.userevent.nano.LauncherLogProto.Target;
86e2df0620c13b9dc7e63224153b98fdbb48546f9bSunny Goyalimport com.android.launcher3.util.LongArrayMap;
876178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyalimport com.android.launcher3.util.MultiStateAlphaController;
88091440a9cb9d4f42406631004aa484cbb79214caAdam Cohenimport com.android.launcher3.util.Thunk;
899eba1fd75e9fa6b0dc5cad9a4e817b3b167d2461Sunny Goyalimport com.android.launcher3.util.WallpaperOffsetInterpolator;
903f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.widget.PendingAddShortcutInfo;
913f471440a8b6b71d4c15501a96befd3b715c9e8fHyunyoung Songimport com.android.launcher3.widget.PendingAddWidgetInfo;
9283a8f042adda926489494dff217c15ab696139b4Sunny Goyal
93716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohenimport java.util.ArrayList;
94dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohenimport java.util.HashMap;
95716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohenimport java.util.HashSet;
9695abbb330ce9bbaf23594245f0f8a795c8118038Sunny Goyalimport java.util.concurrent.atomic.AtomicInteger;
97716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen
9831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project/**
990142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka * The workspace is a wide area with a wallpaper and a finite number of pages.
1000142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka * Each page contains a number of icons, folders or widgets the user can
101aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * interact with. A workspace is meant to be used with a fixed width only.
10231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */
1035a1f53b306a4fcf56aad577987386ea1b2dfe6b9Sunny Goyalpublic class Workspace extends PagedView
104d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka        implements DropTarget, DragSource, DragScroller, View.OnTouchListener,
10577e1f47520958edd7ec04e203db65b932537bd1cJohn Spurlock        DragController.DragListener, LauncherTransitionable, ViewGroup.OnHierarchyChangeListener,
106aa953654279d7cca29682d85111e398ea1f20390Hyunyoung Song        Insettable, DropTargetSource, AccessibilityDragSource, UserEventDispatcher.LaunchSourceProvider {
1073a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato    private static final String TAG = "Launcher.Workspace";
1080142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka
10958376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal    private static boolean ENFORCE_DRAG_EVENT_ORDER = false;
11058376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal
111cf25b52763f3fa376aee7c4a63b5a064ca1c0e2aSunny Goyal    private static final int SNAP_OFF_EMPTY_SCREEN_DURATION = 400;
112cf25b52763f3fa376aee7c4a63b5a064ca1c0e2aSunny Goyal    private static final int FADE_EMPTY_SCREEN_DURATION = 150;
113ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen
114ed51cc9a12c50d12e7d30ed209a49f1a40858043Adam Cohen    private static final int ADJACENT_SCREEN_DROP_DURATION = 300;
115ed51cc9a12c50d12e7d30ed209a49f1a40858043Adam Cohen
116cf25b52763f3fa376aee7c4a63b5a064ca1c0e2aSunny Goyal    private static final boolean MAP_NO_RECURSE = false;
117cf25b52763f3fa376aee7c4a63b5a064ca1c0e2aSunny Goyal    private static final boolean MAP_RECURSE = true;
118cf25b52763f3fa376aee7c4a63b5a064ca1c0e2aSunny Goyal
119cf25b52763f3fa376aee7c4a63b5a064ca1c0e2aSunny Goyal    // The screen id used for the empty screen always present to the right.
120da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal    public static final long EXTRA_EMPTY_SCREEN_ID = -201;
121da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal    // The is the first screen. It is always present, even if its empty.
122da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal    public static final long FIRST_SCREEN_ID = 0;
123da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal
124cf25b52763f3fa376aee7c4a63b5a064ca1c0e2aSunny Goyal    private final static long CUSTOM_CONTENT_SCREEN_ID = -301;
125aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren
1263d1b2b420684a61cf68baf4bd2a6a5ac9680d16aAdam Cohen    private static final long CUSTOM_CONTENT_GESTURE_DELAY = 200;
1273d1b2b420684a61cf68baf4bd2a6a5ac9680d16aAdam Cohen    private long mTouchDownTime = -1;
1283d1b2b420684a61cf68baf4bd2a6a5ac9680d16aAdam Cohen    private long mCustomContentShowTime = -1;
1293d1b2b420684a61cf68baf4bd2a6a5ac9680d16aAdam Cohen
13022cba7f9958569a5e4c1dfcce4969daeaa6c898cAdam Cohen    private LayoutTransition mLayoutTransition;
131091440a9cb9d4f42406631004aa484cbb79214caAdam Cohen    @Thunk final WallpaperManager mWallpaperManager;
132aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
1335084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen    private ShortcutAndWidgetContainer mDragSourceInternal;
1345084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen
135e2df0620c13b9dc7e63224153b98fdbb48546f9bSunny Goyal    @Thunk LongArrayMap<CellLayout> mWorkspaceScreens = new LongArrayMap<>();
136091440a9cb9d4f42406631004aa484cbb79214caAdam Cohen    @Thunk ArrayList<Long> mScreenOrder = new ArrayList<Long>();
137dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen
138091440a9cb9d4f42406631004aa484cbb79214caAdam Cohen    @Thunk Runnable mRemoveEmptyScreenRunnable;
139091440a9cb9d4f42406631004aa484cbb79214caAdam Cohen    @Thunk boolean mDeferRemoveExtraEmptyScreen = false;
140e9b651eef1b9f3647eba94f833bff3fc52f5956bSunny Goyal    @Thunk boolean mAddNewPageOnDrag = true;
141ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen
14231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    /**
14331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * CellInfo for the cell that is currently being dragged
14431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     */
14531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    private CellLayout.CellInfo mDragInfo;
146aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
14770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey    /**
14870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey     * Target drop area calculated during last acceptDrop call.
14970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey     */
150091440a9cb9d4f42406631004aa484cbb79214caAdam Cohen    @Thunk int[] mTargetCell = new int[2];
151c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen    private int mDragOverX = -1;
152c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen    private int mDragOverY = -1;
15331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
154bffe745b1e195deedc1dcc60f37950b3b0b4c652Adam Cohen    CustomContentCallbacks mCustomContentCallbacks;
155bffe745b1e195deedc1dcc60f37950b3b0b4c652Adam Cohen    boolean mCustomContentShowing;
156c36fa5ce395bd39d16f6a998372700ed53d5d9d6Adam Cohen    private float mLastCustomContentScrollProgress = -1f;
15753805218809cc1f93a0f1307b442df7c65a3068cAdam Cohen    private String mCustomContentDescription = "";
158bffe745b1e195deedc1dcc60f37950b3b0b4c652Adam Cohen
1596569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy    /**
1606569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy     * The CellLayout that is currently being dragged over
1616569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy     */
162091440a9cb9d4f42406631004aa484cbb79214caAdam Cohen    @Thunk CellLayout mDragTargetLayout = null;
163c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen    /**
16495cdb3a0211650e76adb451588ce89fd585b178fTony Wickham     * The CellLayout that we will show as highlighted
165c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen     */
166c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen    private CellLayout mDragOverlappingLayout = null;
167c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen
168c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen    /**
169c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen     * The CellLayout which will be dropped to
170c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen     */
171c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen    private CellLayout mDropToLayout = null;
172c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen
173091440a9cb9d4f42406631004aa484cbb79214caAdam Cohen    @Thunk Launcher mLauncher;
174091440a9cb9d4f42406631004aa484cbb79214caAdam Cohen    @Thunk IconCache mIconCache;
175091440a9cb9d4f42406631004aa484cbb79214caAdam Cohen    @Thunk DragController mDragController;
176aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
1774516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka    // These are temporary variables to prevent having to allocate a new object just to
1784516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka    // return an (x, y) value from helper functions. Do NOT use them to maintain other state.
179cf25b52763f3fa376aee7c4a63b5a064ca1c0e2aSunny Goyal    private static final Rect sTempRect = new Rect();
180cf25b52763f3fa376aee7c4a63b5a064ca1c0e2aSunny Goyal    private final int[] mTempXY = new int[2];
181091440a9cb9d4f42406631004aa484cbb79214caAdam Cohen    @Thunk float[] mDragViewVisualCenter = new float[2];
1824516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka    private float[] mTempCellLayoutCenterCoordinates = new float[2];
183cf25b52763f3fa376aee7c4a63b5a064ca1c0e2aSunny Goyal    private int[] mTempVisiblePagesRange = new int[2];
184ee68816be8e4667548ac8925a14d014f1d66d460Sunny Goyal    private Matrix mTempMatrix = new Matrix();
18531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
186c2f7f4794867cd1b3e97fd0f379ad8ad15958a6cMichael Jurka    private SpringLoadedDragController mSpringLoadedDragController;
187f358a4bbd6ce5b6ddadfae19e6b9c6872530d627Adam Cohen    private float mOverviewModeShrinkFactor;
188d3ef3065ab0941567c45e9aec98783138b623c68Michael Jurka
1891262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy    // State variable that indicates whether the pages are small (ie when you're
190dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka    // in all apps or customize mode)
191d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka
1929443ef5ec69ee673b89c6387f065cf1d45eb2d5bSunny Goyal    public enum State {
19347328fd53f43fd0c2ed14ad925dd04483f9229a0Sunny Goyal        NORMAL          (false, false),
19447328fd53f43fd0c2ed14ad925dd04483f9229a0Sunny Goyal        NORMAL_HIDDEN   (false, false),
19547328fd53f43fd0c2ed14ad925dd04483f9229a0Sunny Goyal        SPRING_LOADED   (false, true),
19647328fd53f43fd0c2ed14ad925dd04483f9229a0Sunny Goyal        OVERVIEW        (true, true),
19747328fd53f43fd0c2ed14ad925dd04483f9229a0Sunny Goyal        OVERVIEW_HIDDEN (true, false);
198006ee269ba2e9946a83b42f96d4a0296254cba4aWinson Chung
1992e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal        public final boolean shouldUpdateWidget;
200f898b970cc9130d629d4bc969222aaa96a8a013aTony Wickham        public final boolean hasMultipleVisiblePages;
201006ee269ba2e9946a83b42f96d4a0296254cba4aWinson Chung
20247328fd53f43fd0c2ed14ad925dd04483f9229a0Sunny Goyal        State(boolean shouldUpdateWidget, boolean hasMultipleVisiblePages) {
2032e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal            this.shouldUpdateWidget = shouldUpdateWidget;
204f898b970cc9130d629d4bc969222aaa96a8a013aTony Wickham            this.hasMultipleVisiblePages = hasMultipleVisiblePages;
205006ee269ba2e9946a83b42f96d4a0296254cba4aWinson Chung        }
2062e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal    }
207006ee269ba2e9946a83b42f96d4a0296254cba4aWinson Chung
208bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal    // Direction used for moving the workspace and hotseat UI
209bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal    public enum Direction {
210bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal        X  (TRANSLATION_X),
211bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal        Y  (TRANSLATION_Y);
212bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal
213bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal        private final Property<View, Float> viewProperty;
214bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal
215bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal        Direction(Property<View, Float> viewProperty) {
216bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal            this.viewProperty = viewProperty;
217bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal        }
218bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal    }
219bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal
2206d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal    private static final int HOTSEAT_STATE_ALPHA_INDEX = 2;
2216d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal
2226d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal    /**
2236d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal     * These values correspond to {@link Direction#X} & {@link Direction#Y}
2246d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal     */
225bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal    private float[] mPageAlpha = new float[] {1, 1};
2266d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal    /**
2276d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal     * Hotseat alpha can be changed when moving horizontally, vertically, changing states.
2286d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal     * The values correspond to {@link Direction#X}, {@link Direction#Y} &
2296d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal     * {@link #HOTSEAT_STATE_ALPHA_INDEX} respectively.
2306d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal     */
2316d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal    private float[] mHotseatAlpha = new float[] {1, 1, 1};
232bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal
2336178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal    public static final int QSB_ALPHA_INDEX_STATE_CHANGE = 0;
2346178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal    public static final int QSB_ALPHA_INDEX_Y_TRANSLATION = 1;
2356178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal    public static final int QSB_ALPHA_INDEX_PAGE_SCROLL = 2;
2366178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal
2376178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal    MultiStateAlphaController mQsbAlphaController;
2386178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal
2394ffec48dec5da7bcf719ac0c37ee5e58f9ea2c1aSunny Goyal    @ViewDebug.ExportedProperty(category = "launcher")
2407777d967a60ecfd34ad2d94141d598fca4021058Adam Cohen    private State mState = State.NORMAL;
241d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka    private boolean mIsSwitchingState = false;
242d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka
243d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka    boolean mAnimatingViewIntoPlace = false;
244d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka    boolean mChildrenLayersEnabled = true;
245dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka
246accfd5648ccb3a3248b422a8c1971b7de8d3207bAdam Cohen    private boolean mStripScreensOnPageStopMoving = false;
247accfd5648ccb3a3248b422a8c1971b7de8d3207bAdam Cohen
24854fa3b95557c283976e8c1aa8a157b460b0b4513Patrick Dubroy    /** Is the user is dragging an item near the edge of a page? */
2491262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy    private boolean mInScrollArea = false;
2501262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy
251e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler    private HolographicOutlineHelper mOutlineHelper;
252091440a9cb9d4f42406631004aa484cbb79214caAdam Cohen    @Thunk Bitmap mDragOutline = null;
253f8304f05db24b504b7a3bc113929af29df7daf6eMichael Jurka    public static final int DRAG_BITMAP_PADDING = 2;
254869390b6abd6e005a5ce85a8ee3c11daeecce919Michael Jurka    private boolean mWorkspaceFadeInAdjacentScreens;
2554be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato
2569eba1fd75e9fa6b0dc5cad9a4e817b3b167d2461Sunny Goyal    final WallpaperOffsetInterpolator mWallpaperOffset;
2572a4f4928a964fa8eef9ea6542f835ad4a79b9bd5Michael Jurka
258091440a9cb9d4f42406631004aa484cbb79214caAdam Cohen    @Thunk Runnable mDelayedResizeRunnable;
259f0c6ae0e35d3e020db55b5b826955da66b14b7f6Winson Chung    private Runnable mDelayedSnapToPageRunnable;
260c5b262ccf639fedac2aff5bb8238342f95396338Michael Jurka
26119072da7441e07d5e90026d9e9e1b38f11245e44Adam Cohen    // Variables relating to the creation of user folders by hovering shortcuts over shortcuts
262482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen    private static final int FOLDER_CREATION_TIMEOUT = 0;
263fa3c58f647e603760c0bd929166c0edee25675a9Adam Cohen    public static final int REORDER_TIMEOUT = 350;
26419072da7441e07d5e90026d9e9e1b38f11245e44Adam Cohen    private final Alarm mFolderCreationAlarm = new Alarm();
265482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen    private final Alarm mReorderAlarm = new Alarm();
266f172b747c24f28e29baaaf58f08bab48847b7a40Adam Cohen    private FolderIcon.PreviewBackground mFolderCreateBg;
267c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen    private FolderIcon mDragOverFolderIcon = null;
26819072da7441e07d5e90026d9e9e1b38f11245e44Adam Cohen    private boolean mCreateUserFolderOnDrop = false;
269c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen    private boolean mAddToExistingFolderOnDrop = false;
2703aff81c759a2912bed45643f7e1fb503fcfe69b0Adam Cohen    private float mMaxDistanceForFolderCreation;
271073a46ff635d089cbcb15d939d1de42dd2b86c97Adam Cohen
272508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal    private final Canvas mCanvas = new Canvas();
273508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal
274f8d2823d885ba682140aee1ae0504c1c5e67a24bAdam Cohen    // Variables relating to touch disambiguation (scrolling workspace vs. scrolling a widget)
275f8d2823d885ba682140aee1ae0504c1c5e67a24bAdam Cohen    private float mXDown;
276f8d2823d885ba682140aee1ae0504c1c5e67a24bAdam Cohen    private float mYDown;
277f8d2823d885ba682140aee1ae0504c1c5e67a24bAdam Cohen    final static float START_DAMPING_TOUCH_SLOP_ANGLE = (float) Math.PI / 6;
278f8d2823d885ba682140aee1ae0504c1c5e67a24bAdam Cohen    final static float MAX_SWIPE_ANGLE = (float) Math.PI / 3;
279f8d2823d885ba682140aee1ae0504c1c5e67a24bAdam Cohen    final static float TOUCH_SLOP_DAMPING_FACTOR = 4;
280f8d2823d885ba682140aee1ae0504c1c5e67a24bAdam Cohen
281ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen    // Relating to the animation of items being dropped externally
282d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen    public static final int ANIMATE_INTO_POSITION_AND_DISAPPEAR = 0;
283d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen    public static final int ANIMATE_INTO_POSITION_AND_REMAIN = 1;
284d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen    public static final int ANIMATE_INTO_POSITION_AND_RESIZE = 2;
285d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen    public static final int COMPLETE_TWO_STAGE_WIDGET_DROP_ANIMATION = 3;
286d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen    public static final int CANCEL_TWO_STAGE_WIDGET_DROP_ANIMATION = 4;
287ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen
288482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen    // Related to dragging, folder creation and reordering
289482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen    private static final int DRAG_MODE_NONE = 0;
290482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen    private static final int DRAG_MODE_CREATE_FOLDER = 1;
291482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen    private static final int DRAG_MODE_ADD_TO_FOLDER = 2;
292482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen    private static final int DRAG_MODE_REORDER = 3;
293482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen    private int mDragMode = DRAG_MODE_NONE;
294091440a9cb9d4f42406631004aa484cbb79214caAdam Cohen    @Thunk int mLastReorderX = -1;
295091440a9cb9d4f42406631004aa484cbb79214caAdam Cohen    @Thunk int mLastReorderY = -1;
296482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen
2971462de39f01cec0ba785386532719cb0207dd827Adam Cohen    private SparseArray<Parcelable> mSavedStates;
2981462de39f01cec0ba785386532719cb0207dd827Adam Cohen    private final ArrayList<Integer> mRestoredPages = new ArrayList<Integer>();
2991462de39f01cec0ba785386532719cb0207dd827Adam Cohen
3007d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen    private float mCurrentScale;
3017044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung    private float mTransitionProgress;
3024b285c5a60028f7c9ce39cfb318a730d0ae95c27Adam Cohen
303091440a9cb9d4f42406631004aa484cbb79214caAdam Cohen    @Thunk Runnable mDeferredAction;
3041e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka    private boolean mDeferDropAfterUninstall;
3051e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka    private boolean mUninstallSuccessful;
3061e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka
307c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen    // State related to Launcher Overlay
308c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen    LauncherOverlay mLauncherOverlay;
309c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen    boolean mScrollInteractionBegan;
310c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen    boolean mStartedSendingScrollEvents;
311c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal    float mLastOverlaySroll = 0;
312c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal    // Total over scrollX in the overlay direction.
313c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal    private int mUnboundedScrollX;
31429d853c2ddf6432685a54e3966820f1a81cee183Tony Wickham    private boolean mForceDrawAdjacentPages = false;
315c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal    // Total over scrollX in the overlay direction.
316c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal    private float mOverlayTranslation;
3176178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal    private int mFirstPageScrollX;
318c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen
319dc61c4d41468a8beced2863de1b863b340cf49baWinson Chung    // Handles workspace state transitions
320dc61c4d41468a8beced2863de1b863b340cf49baWinson Chung    private WorkspaceStateTransitionAnimation mStateTransitionAnimation;
321dc61c4d41468a8beced2863de1b863b340cf49baWinson Chung
3221d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal    private AccessibilityDelegate mPagesAccessibilityDelegate;
3239443ef5ec69ee673b89c6387f065cf1d45eb2d5bSunny Goyal    private OnStateChangeListener mOnStateChangeListener;
3241d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal
32531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    /**
32631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * Used to inflate the Workspace from XML.
32731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     *
32831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param context The application's context.
3290142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka     * @param attrs The attributes set containing the Workspace's customization values.
33031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     */
33131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    public Workspace(Context context, AttributeSet attrs) {
33231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        this(context, attrs, 0);
33331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
33431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
33531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    /**
33631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * Used to inflate the Workspace from XML.
33731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     *
33831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param context The application's context.
3390142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka     * @param attrs The attributes set containing the Workspace's customization values.
34031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param defStyle Unused.
34131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     */
34231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    public Workspace(Context context, AttributeSet attrs, int defStyle) {
34331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        super(context, attrs, defStyle);
3445f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka
345e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler        mOutlineHelper = HolographicOutlineHelper.obtain(context);
346e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler
3478bc66c7fe4d8f7ac1715010806f49840194279a5Michael Jurka        mLauncher = (Launcher) context;
348dc61c4d41468a8beced2863de1b863b340cf49baWinson Chung        mStateTransitionAnimation = new WorkspaceStateTransitionAnimation(mLauncher, this);
349867ca62c0e4b811d46734ff940d59c7a787525c8Winson Chung        final Resources res = getResources();
3502e6da1539bc7286336b3c24d96ab76434939ce4dAdam Cohen        DeviceProfile grid = mLauncher.getDeviceProfile();
3512e6da1539bc7286336b3c24d96ab76434939ce4dAdam Cohen        mWorkspaceFadeInAdjacentScreens = grid.shouldFadeAdjacentWorkspaceScreens();
3528f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn        mWallpaperManager = WallpaperManager.getInstance(context);
353aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
3549eba1fd75e9fa6b0dc5cad9a4e817b3b167d2461Sunny Goyal        mWallpaperOffset = new WallpaperOffsetInterpolator(this);
3554f7eb4077e901a28b2b698060079292b56e991bdWinson Chung        mOverviewModeShrinkFactor =
3564f7eb4077e901a28b2b698060079292b56e991bdWinson Chung                res.getInteger(R.integer.config_workspaceOverviewShrinkPercentage) / 100f;
35731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
3588b805b17158886035b38261eb611d8641701ae43Michael Jurka        setOnHierarchyChangeListener(this);
3590d44e9482b95d8f163b28bf20131c4349185b589Joe Onorato        setHapticFeedbackEnabled(false);
3600142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka
36131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        initWorkspace();
362c35afb2c9df8cc56c77bf21ce2eaa213f6f31251Winson Chung
363c35afb2c9df8cc56c77bf21ce2eaa213f6f31251Winson Chung        // Disable multitouch across the workspace/all apps/customize tray
364c35afb2c9df8cc56c77bf21ce2eaa213f6f31251Winson Chung        setMotionEventSplittingEnabled(true);
36531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
36631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
36777e1f47520958edd7ec04e203db65b932537bd1cJohn Spurlock    @Override
36877e1f47520958edd7ec04e203db65b932537bd1cJohn Spurlock    public void setInsets(Rect insets) {
3696c2975e7e3fc5dc7cb80f1a2b3e5ffd10e49c2beSunny Goyal        int extraLeftPadding = insets.left - mInsets.left;
37077e1f47520958edd7ec04e203db65b932537bd1cJohn Spurlock        mInsets.set(insets);
3716c2975e7e3fc5dc7cb80f1a2b3e5ffd10e49c2beSunny Goyal        if (extraLeftPadding != 0) {
3726c2975e7e3fc5dc7cb80f1a2b3e5ffd10e49c2beSunny Goyal            /**
3736c2975e7e3fc5dc7cb80f1a2b3e5ffd10e49c2beSunny Goyal             * Initial layout assumes that the insets is on the right,
3746c2975e7e3fc5dc7cb80f1a2b3e5ffd10e49c2beSunny Goyal             * {@link DeviceProfile#getWorkspacePadding()}. Compensate for the difference.
3756c2975e7e3fc5dc7cb80f1a2b3e5ffd10e49c2beSunny Goyal             */
3766c2975e7e3fc5dc7cb80f1a2b3e5ffd10e49c2beSunny Goyal            setPadding(getPaddingLeft() + extraLeftPadding, getPaddingTop(),
3776c2975e7e3fc5dc7cb80f1a2b3e5ffd10e49c2beSunny Goyal                    getPaddingRight() - extraLeftPadding, getPaddingBottom());
3786c2975e7e3fc5dc7cb80f1a2b3e5ffd10e49c2beSunny Goyal        }
3796400b84d5594d7b9244e3b118f107033eb8b87a0Adam Cohen
3806400b84d5594d7b9244e3b118f107033eb8b87a0Adam Cohen        CellLayout customScreen = getScreenWithId(CUSTOM_CONTENT_SCREEN_ID);
3816400b84d5594d7b9244e3b118f107033eb8b87a0Adam Cohen        if (customScreen != null) {
3826400b84d5594d7b9244e3b118f107033eb8b87a0Adam Cohen            View customContent = customScreen.getShortcutsAndWidgets().getChildAt(0);
3836400b84d5594d7b9244e3b118f107033eb8b87a0Adam Cohen            if (customContent instanceof Insettable) {
3846400b84d5594d7b9244e3b118f107033eb8b87a0Adam Cohen                ((Insettable) customContent).setInsets(mInsets);
3856400b84d5594d7b9244e3b118f107033eb8b87a0Adam Cohen            }
3866400b84d5594d7b9244e3b118f107033eb8b87a0Adam Cohen        }
38777e1f47520958edd7ec04e203db65b932537bd1cJohn Spurlock    }
38877e1f47520958edd7ec04e203db65b932537bd1cJohn Spurlock
3899443ef5ec69ee673b89c6387f065cf1d45eb2d5bSunny Goyal    public void setOnStateChangeListener(OnStateChangeListener listener) {
3909443ef5ec69ee673b89c6387f065cf1d45eb2d5bSunny Goyal        mOnStateChangeListener = listener;
3919443ef5ec69ee673b89c6387f065cf1d45eb2d5bSunny Goyal    }
3929443ef5ec69ee673b89c6387f065cf1d45eb2d5bSunny Goyal
393038f9d8bfb53288e7cf5812f62ec3d5b25fec965Michael Jurka    // estimate the size of a widget with spans hSpan, vSpan. return MAX_VALUE for each
394038f9d8bfb53288e7cf5812f62ec3d5b25fec965Michael Jurka    // dimension if unsuccessful
3955b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal    public int[] estimateItemSize(ItemInfo itemInfo, boolean springLoaded) {
39647328fd53f43fd0c2ed14ad925dd04483f9229a0Sunny Goyal        float shrinkFactor = mLauncher.getDeviceProfile().workspaceSpringLoadShrinkFactor;
397038f9d8bfb53288e7cf5812f62ec3d5b25fec965Michael Jurka        int[] size = new int[2];
398038f9d8bfb53288e7cf5812f62ec3d5b25fec965Michael Jurka        if (getChildCount() > 0) {
399ad7db6e8ddddae423d027163a1bdf7015210f7ceWinson Chung            // Use the first non-custom page to estimate the child position
400ad7db6e8ddddae423d027163a1bdf7015210f7ceWinson Chung            CellLayout cl = (CellLayout) getChildAt(numCustomPages());
401a501d49a6a8b684bc83aa6b536f43247d75bacdfTony Wickham            Rect r = estimateItemPosition(cl, 0, 0, itemInfo.spanX, itemInfo.spanY);
402d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen            size[0] = r.width();
403d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen            size[1] = r.height();
404038f9d8bfb53288e7cf5812f62ec3d5b25fec965Michael Jurka            if (springLoaded) {
40547328fd53f43fd0c2ed14ad925dd04483f9229a0Sunny Goyal                size[0] *= shrinkFactor;
40647328fd53f43fd0c2ed14ad925dd04483f9229a0Sunny Goyal                size[1] *= shrinkFactor;
407038f9d8bfb53288e7cf5812f62ec3d5b25fec965Michael Jurka            }
408038f9d8bfb53288e7cf5812f62ec3d5b25fec965Michael Jurka            return size;
409038f9d8bfb53288e7cf5812f62ec3d5b25fec965Michael Jurka        } else {
410038f9d8bfb53288e7cf5812f62ec3d5b25fec965Michael Jurka            size[0] = Integer.MAX_VALUE;
411038f9d8bfb53288e7cf5812f62ec3d5b25fec965Michael Jurka            size[1] = Integer.MAX_VALUE;
412038f9d8bfb53288e7cf5812f62ec3d5b25fec965Michael Jurka            return size;
413038f9d8bfb53288e7cf5812f62ec3d5b25fec965Michael Jurka        }
414038f9d8bfb53288e7cf5812f62ec3d5b25fec965Michael Jurka    }
415dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen
416a501d49a6a8b684bc83aa6b536f43247d75bacdfTony Wickham    public Rect estimateItemPosition(CellLayout cl, int hCell, int vCell, int hSpan, int vSpan) {
417d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen        Rect r = new Rect();
418038f9d8bfb53288e7cf5812f62ec3d5b25fec965Michael Jurka        cl.cellToRect(hCell, vCell, hSpan, vSpan, r);
419038f9d8bfb53288e7cf5812f62ec3d5b25fec965Michael Jurka        return r;
420038f9d8bfb53288e7cf5812f62ec3d5b25fec965Michael Jurka    }
421038f9d8bfb53288e7cf5812f62ec3d5b25fec965Michael Jurka
42258376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal    @Override
423aa8ef119f18864f4ab41c12f9c2ad6d7f643a0a9Sunny Goyal    public void onDragStart(final DragSource source, ItemInfo info, int dragAction) {
42458376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal        if (ENFORCE_DRAG_EVENT_ORDER) {
42558376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal            enfoceDragParity("onDragStart", 0, 0);
42658376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal        }
42758376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal
4283a0469d1e40459529e2d4d57ebc493f930f7c01aMichael Jurka        updateChildrenLayersEnabled(false);
429641d71d6da6c77cc32e5d0f65ccae89caed1ac34Winson Chung        mLauncher.lockScreenOrientation();
430ab2d9d72ae0a37553a82fa845c412167c727a258Sandeep Siddhartha        mLauncher.onInteractionBegin();
431f561bdf68dd304e1d7c3f7796621a4cc39ca15f2Winson Chung        // Prevent any Un/InstallShortcutReceivers from updating the db while we are dragging
432f561bdf68dd304e1d7c3f7796621a4cc39ca15f2Winson Chung        InstallShortcutReceiver.enableInstallQueue();
43358376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal
43458376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal        if (mAddNewPageOnDrag) {
43558376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal            mDeferRemoveExtraEmptyScreen = false;
43658376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal            addExtraEmptyScreenOnDrag();
43758376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal        }
438d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka    }
439d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka
440e9b651eef1b9f3647eba94f833bff3fc52f5956bSunny Goyal    public void setAddNewPageOnDrag(boolean addPage) {
441e9b651eef1b9f3647eba94f833bff3fc52f5956bSunny Goyal        mAddNewPageOnDrag = addPage;
442e9b651eef1b9f3647eba94f833bff3fc52f5956bSunny Goyal    }
443689ff16ea27fb7c22c247aaf4f42ffe42fede253Adam Cohen
444689ff16ea27fb7c22c247aaf4f42ffe42fede253Adam Cohen    public void deferRemoveExtraEmptyScreen() {
445689ff16ea27fb7c22c247aaf4f42ffe42fede253Adam Cohen        mDeferRemoveExtraEmptyScreen = true;
446689ff16ea27fb7c22c247aaf4f42ffe42fede253Adam Cohen    }
447689ff16ea27fb7c22c247aaf4f42ffe42fede253Adam Cohen
44858376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal    @Override
449d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka    public void onDragEnd() {
45058376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal        if (ENFORCE_DRAG_EVENT_ORDER) {
45158376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal            enfoceDragParity("onDragEnd", 0, 0);
45258376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal        }
45358376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal
454689ff16ea27fb7c22c247aaf4f42ffe42fede253Adam Cohen        if (!mDeferRemoveExtraEmptyScreen) {
455689ff16ea27fb7c22c247aaf4f42ffe42fede253Adam Cohen            removeExtraEmptyScreen(true, mDragSourceInternal != null);
456689ff16ea27fb7c22c247aaf4f42ffe42fede253Adam Cohen        }
457689ff16ea27fb7c22c247aaf4f42ffe42fede253Adam Cohen
4583a0469d1e40459529e2d4d57ebc493f930f7c01aMichael Jurka        updateChildrenLayersEnabled(false);
4594b919f813f4e5e0323a4c1747392551fce4a8758Winson Chung        mLauncher.unlockScreenOrientation(false);
460f561bdf68dd304e1d7c3f7796621a4cc39ca15f2Winson Chung
461f561bdf68dd304e1d7c3f7796621a4cc39ca15f2Winson Chung        // Re-enable any Un/InstallShortcutReceiver and now process any queued items
462f561bdf68dd304e1d7c3f7796621a4cc39ca15f2Winson Chung        InstallShortcutReceiver.disableAndFlushInstallQueue(getContext());
4635084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen
4645084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen        mDragSourceInternal = null;
465ab2d9d72ae0a37553a82fa845c412167c727a258Sandeep Siddhartha        mLauncher.onInteractionEnd();
466d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka    }
467d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka
46831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    /**
46931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * Initializes various states for this workspace.
47031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     */
4710142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    protected void initWorkspace() {
47277ccb8d03c17aeb32dccfb0930ae974f6cca7455Sunny Goyal        mCurrentPage = getDefaultPage();
473cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler        LauncherAppState app = LauncherAppState.getInstance();
4742e6da1539bc7286336b3c24d96ab76434939ce4dAdam Cohen        DeviceProfile grid = mLauncher.getDeviceProfile();
4750589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato        mIconCache = app.getIconCache();
476cd68ff5b88de9b5136ff5a9ef698e4db2fc5db66Patrick Dubroy        setWillNotDraw(false);
477ce3cbd145b4222779abae32869da8dd3c2aefb67Romain Guy        setClipChildren(false);
478ce3cbd145b4222779abae32869da8dd3c2aefb67Romain Guy        setClipToPadding(false);
4797777d967a60ecfd34ad2d94141d598fca4021058Adam Cohen        setChildrenDrawnWithCacheEnabled(true);
480dadd984a891a574cebf3dfd38a454a0e6a4228b3Derek Prothro
481c82d2622bc7305fd3545fe7df97a30187283113fWinson Chung        setMinScale(mOverviewModeShrinkFactor);
48222cba7f9958569a5e4c1dfcce4969daeaa6c898cAdam Cohen        setupLayoutTransition();
48331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
4845f8afe6280eae34620067696173e71943e1a30a3Winson Chung        mMaxDistanceForFolderCreation = (0.55f * grid.iconSizePx);
485a6a0547fa6df0769fcd107a2e5f7c7d527fa0700Michael Jurka
486a6a0547fa6df0769fcd107a2e5f7c7d527fa0700Michael Jurka        // Set the wallpaper dimensions when Launcher starts up
487824fcb3a3e05166d7e1bd9c2cd821aeaebc994c5Adam Cohen        setWallpaperDimension();
4884d113a5ff44ff1a7f19263bde21581fbf9a54212Sunny Goyal
4894d113a5ff44ff1a7f19263bde21581fbf9a54212Sunny Goyal        setEdgeGlowColor(getResources().getColor(R.color.workspace_edge_effect_color));
49031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
49131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
492d0a6ae7f645e6ba564aebb50316c53fa2e119459Sunny Goyal    @Override
493d0a6ae7f645e6ba564aebb50316c53fa2e119459Sunny Goyal    public void initParentViews(View parent) {
494d0a6ae7f645e6ba564aebb50316c53fa2e119459Sunny Goyal        super.initParentViews(parent);
495d0a6ae7f645e6ba564aebb50316c53fa2e119459Sunny Goyal        mPageIndicator.setAccessibilityDelegate(new OverviewAccessibilityDelegate());
4966178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal        mQsbAlphaController = new MultiStateAlphaController(mLauncher.getQsbContainer(), 3);
497d0a6ae7f645e6ba564aebb50316c53fa2e119459Sunny Goyal    }
498d0a6ae7f645e6ba564aebb50316c53fa2e119459Sunny Goyal
49977ccb8d03c17aeb32dccfb0930ae974f6cca7455Sunny Goyal    private int getDefaultPage() {
50077ccb8d03c17aeb32dccfb0930ae974f6cca7455Sunny Goyal        return numCustomPages();
50177ccb8d03c17aeb32dccfb0930ae974f6cca7455Sunny Goyal    }
50277ccb8d03c17aeb32dccfb0930ae974f6cca7455Sunny Goyal
50322cba7f9958569a5e4c1dfcce4969daeaa6c898cAdam Cohen    private void setupLayoutTransition() {
50422cba7f9958569a5e4c1dfcce4969daeaa6c898cAdam Cohen        // We want to show layout transitions when pages are deleted, to close the gap.
50522cba7f9958569a5e4c1dfcce4969daeaa6c898cAdam Cohen        mLayoutTransition = new LayoutTransition();
50622cba7f9958569a5e4c1dfcce4969daeaa6c898cAdam Cohen        mLayoutTransition.enableTransitionType(LayoutTransition.DISAPPEARING);
50722cba7f9958569a5e4c1dfcce4969daeaa6c898cAdam Cohen        mLayoutTransition.enableTransitionType(LayoutTransition.CHANGE_DISAPPEARING);
50822cba7f9958569a5e4c1dfcce4969daeaa6c898cAdam Cohen        mLayoutTransition.disableTransitionType(LayoutTransition.APPEARING);
50922cba7f9958569a5e4c1dfcce4969daeaa6c898cAdam Cohen        mLayoutTransition.disableTransitionType(LayoutTransition.CHANGE_APPEARING);
51022cba7f9958569a5e4c1dfcce4969daeaa6c898cAdam Cohen        setLayoutTransition(mLayoutTransition);
51122cba7f9958569a5e4c1dfcce4969daeaa6c898cAdam Cohen    }
51222cba7f9958569a5e4c1dfcce4969daeaa6c898cAdam Cohen
513964df6b93e8171a0d3a6f212fed095065f1a65ddWinson Chung    void enableLayoutTransitions() {
514964df6b93e8171a0d3a6f212fed095065f1a65ddWinson Chung        setLayoutTransition(mLayoutTransition);
515964df6b93e8171a0d3a6f212fed095065f1a65ddWinson Chung    }
516964df6b93e8171a0d3a6f212fed095065f1a65ddWinson Chung    void disableLayoutTransitions() {
517964df6b93e8171a0d3a6f212fed095065f1a65ddWinson Chung        setLayoutTransition(null);
518964df6b93e8171a0d3a6f212fed095065f1a65ddWinson Chung    }
519964df6b93e8171a0d3a6f212fed095065f1a65ddWinson Chung
52031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    @Override
5218b805b17158886035b38261eb611d8641701ae43Michael Jurka    public void onChildViewAdded(View parent, View child) {
52231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        if (!(child instanceof CellLayout)) {
52331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            throw new IllegalArgumentException("A Workspace can only have CellLayout children.");
52431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
5252801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen        CellLayout cl = ((CellLayout) child);
5262801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen        cl.setOnInterceptTouchListener(this);
5272801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen        cl.setClickable(true);
528c46bfef5dfd8c6867641bdc32c27b03e2f183726Sunny Goyal        cl.setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_NO);
529f70696d8cc9b68c1491496de952349866dd6f6edWinson Chung        super.onChildViewAdded(parent, child);
5308b805b17158886035b38261eb611d8641701ae43Michael Jurka    }
5318b805b17158886035b38261eb611d8641701ae43Michael Jurka
532920d7f433e5be7b928fe52312c2e65d278b13ee5Michael Jurka    protected boolean shouldDrawChild(View child) {
533920d7f433e5be7b928fe52312c2e65d278b13ee5Michael Jurka        final CellLayout cl = (CellLayout) child;
534920d7f433e5be7b928fe52312c2e65d278b13ee5Michael Jurka        return super.shouldDrawChild(child) &&
535f4bd23662d7fb76007624222a1fe678b3a37b874Winson Chung            (mIsSwitchingState ||
536f4bd23662d7fb76007624222a1fe678b3a37b874Winson Chung             cl.getShortcutsAndWidgets().getAlpha() > 0 ||
537920d7f433e5be7b928fe52312c2e65d278b13ee5Michael Jurka             cl.getBackgroundAlpha() > 0);
538920d7f433e5be7b928fe52312c2e65d278b13ee5Michael Jurka    }
539920d7f433e5be7b928fe52312c2e65d278b13ee5Michael Jurka
54031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    /**
54131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @return The open folder on the current screen, or null if there is none
54231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     */
54383a8f042adda926489494dff217c15ab696139b4Sunny Goyal    public Folder getOpenFolder() {
544716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen        DragLayer dragLayer = mLauncher.getDragLayer();
5458e776a62c5cc60737f5cdbbeacfec5f958112fa7Adam Cohen        int count = dragLayer.getChildCount();
54631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        for (int i = 0; i < count; i++) {
5478e776a62c5cc60737f5cdbbeacfec5f958112fa7Adam Cohen            View child = dragLayer.getChildAt(i);
548aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung            if (child instanceof Folder) {
549aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                Folder folder = (Folder) child;
550aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                if (folder.getInfo().opened)
551aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                    return folder;
55231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            }
55331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
55431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        return null;
55531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
55631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
557a0aa0121b91fde17e427ab2763ce312e64cf5d33Patrick Dubroy    boolean isTouchActive() {
558a0aa0121b91fde17e427ab2763ce312e64cf5d33Patrick Dubroy        return mTouchState != TOUCH_STATE_REST;
55931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
56031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
5616178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal    private int getEmbeddedQsbId() {
5626178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal        return mLauncher.getDeviceProfile().isVerticalBarLayout()
5636178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal                ? R.id.qsb_container : R.id.workspace_blocked_row;
5646178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal    }
5656178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal
566da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal    /**
567da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal     * Initializes and binds the first page
568da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal     * @param qsb an exisitng qsb to recycle or null.
569da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal     */
570da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal    public void bindAndInitFirstWorkspaceScreen(View qsb) {
571a9e2f5abb3c21d9721939c625ffb0caabb34e8d9Sunny Goyal        if (!FeatureFlags.QSB_ON_FIRST_SCREEN) {
572a9e2f5abb3c21d9721939c625ffb0caabb34e8d9Sunny Goyal            return;
573a9e2f5abb3c21d9721939c625ffb0caabb34e8d9Sunny Goyal        }
574da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal        // Add the first page
575da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal        CellLayout firstPage = insertNewWorkspaceScreen(Workspace.FIRST_SCREEN_ID, 0);
576da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal
5776178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal        // Always add a QSB on the first screen.
578da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal        if (qsb == null) {
5796178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal            // In transposed layout, we add the QSB in the Grid. As workspace does not touch the
5806178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal            // edges, we do not need a full width QSB.
5816178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal            if (mLauncher.getDeviceProfile().isVerticalBarLayout()) {
5826178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal                qsb = mLauncher.getLayoutInflater().inflate(R.layout.qsb_container, firstPage, false);
5836178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal            } else {
5846178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal                qsb = new Space(getContext());
5856178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal            }
586da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal        }
587da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal
5886178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal        CellLayout.LayoutParams lp = new CellLayout.LayoutParams(0, 0, firstPage.getCountX(), 1);
589da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal        lp.canReorder = false;
5906178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal        if (!firstPage.addViewToCellLayout(qsb, 0, getEmbeddedQsbId(), lp, true)) {
591da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal            Log.e(TAG, "Failed to add to item at (0, 0) to CellLayout");
592da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal        }
593da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal    }
594da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal
5956178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal    @Override
5966178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
5976178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
5986178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal
5996178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal        // Update the QSB to match the cell height. This is treating the QSB essentially as a child
6006178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal        // of workspace despite that it's not a true child.
6016178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal        // Note that it relies on the strict ordering of measuring the workspace before the QSB
6026178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal        // at the dragLayer level.
6036178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal        if (getChildCount() > 0) {
6046178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal            CellLayout firstPage = (CellLayout) getChildAt(0);
6056178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal            int cellHeight = firstPage.getCellHeight();
6066178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal
6076178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal            View qsbContainer = mLauncher.getQsbContainer();
6086178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal            ViewGroup.LayoutParams lp = qsbContainer.getLayoutParams();
6096178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal            if (cellHeight > 0 && lp.height != cellHeight) {
6106178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal                lp.height = cellHeight;
6116178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal            }
6126178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal            qsbContainer.setLayoutParams(lp);
6136178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal        }
6146178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal    }
6156178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal
6169e6a0a20d40675ef98c7fdb8892cf34b90152f7aWinson Chung    public void removeAllWorkspaceScreens() {
617964df6b93e8171a0d3a6f212fed095065f1a65ddWinson Chung        // Disable all layout transitions before removing all pages to ensure that we don't get the
618964df6b93e8171a0d3a6f212fed095065f1a65ddWinson Chung        // transition animations competing with us changing the scroll when we add pages or the
619964df6b93e8171a0d3a6f212fed095065f1a65ddWinson Chung        // custom content screen
620964df6b93e8171a0d3a6f212fed095065f1a65ddWinson Chung        disableLayoutTransitions();
621964df6b93e8171a0d3a6f212fed095065f1a65ddWinson Chung
622964df6b93e8171a0d3a6f212fed095065f1a65ddWinson Chung        // Since we increment the current page when we call addCustomContentPage via bindScreens
623964df6b93e8171a0d3a6f212fed095065f1a65ddWinson Chung        // (and other places), we need to adjust the current page back when we clear the pages
624964df6b93e8171a0d3a6f212fed095065f1a65ddWinson Chung        if (hasCustomContent()) {
625964df6b93e8171a0d3a6f212fed095065f1a65ddWinson Chung            removeCustomContentPage();
626964df6b93e8171a0d3a6f212fed095065f1a65ddWinson Chung        }
627964df6b93e8171a0d3a6f212fed095065f1a65ddWinson Chung
628da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal        // Recycle the QSB widget
6296178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal        View qsb = findViewById(getEmbeddedQsbId());
630da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal        if (qsb != null) {
631da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal            ((ViewGroup) qsb.getParent()).removeView(qsb);
632da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal        }
633da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal
6349e6a0a20d40675ef98c7fdb8892cf34b90152f7aWinson Chung        // Remove the pages and clear the screen models
6359e6a0a20d40675ef98c7fdb8892cf34b90152f7aWinson Chung        removeAllViews();
6369e6a0a20d40675ef98c7fdb8892cf34b90152f7aWinson Chung        mScreenOrder.clear();
6379e6a0a20d40675ef98c7fdb8892cf34b90152f7aWinson Chung        mWorkspaceScreens.clear();
638964df6b93e8171a0d3a6f212fed095065f1a65ddWinson Chung
639da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal        // Ensure that the first page is always present
640da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal        bindAndInitFirstWorkspaceScreen(qsb);
641da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal
642964df6b93e8171a0d3a6f212fed095065f1a65ddWinson Chung        // Re-enable the layout transitions
643964df6b93e8171a0d3a6f212fed095065f1a65ddWinson Chung        enableLayoutTransitions();
6449e6a0a20d40675ef98c7fdb8892cf34b90152f7aWinson Chung    }
6459e6a0a20d40675ef98c7fdb8892cf34b90152f7aWinson Chung
646da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal    public void insertNewWorkspaceScreenBeforeEmptyScreen(long screenId) {
64764359a53dc827797917a8d9a0697a91996789801Winson Chung        // Find the index to insert this view into.  If the empty screen exists, then
64864359a53dc827797917a8d9a0697a91996789801Winson Chung        // insert it before that.
64964359a53dc827797917a8d9a0697a91996789801Winson Chung        int insertIndex = mScreenOrder.indexOf(EXTRA_EMPTY_SCREEN_ID);
65064359a53dc827797917a8d9a0697a91996789801Winson Chung        if (insertIndex < 0) {
65164359a53dc827797917a8d9a0697a91996789801Winson Chung            insertIndex = mScreenOrder.size();
65264359a53dc827797917a8d9a0697a91996789801Winson Chung        }
653da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal        insertNewWorkspaceScreen(screenId, insertIndex);
654dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen    }
655dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen
656da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal    public void insertNewWorkspaceScreen(long screenId) {
657da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal        insertNewWorkspaceScreen(screenId, getChildCount());
65864359a53dc827797917a8d9a0697a91996789801Winson Chung    }
65964359a53dc827797917a8d9a0697a91996789801Winson Chung
660da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal    public CellLayout insertNewWorkspaceScreen(long screenId, int insertIndex) {
6615084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen        if (mWorkspaceScreens.containsKey(screenId)) {
6625084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen            throw new RuntimeException("Screen id " + screenId + " already exists!");
6635084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen        }
6645084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen
6657066003b2032a49ae5e59dab9b706259bdeb7e6eSunny Goyal        // Inflate the cell layout, but do not add it automatically so that we can get the newly
6667066003b2032a49ae5e59dab9b706259bdeb7e6eSunny Goyal        // created CellLayout.
6677066003b2032a49ae5e59dab9b706259bdeb7e6eSunny Goyal        CellLayout newScreen = (CellLayout) mLauncher.getLayoutInflater().inflate(
6687066003b2032a49ae5e59dab9b706259bdeb7e6eSunny Goyal                        R.layout.workspace_screen, this, false /* attachToRoot */);
669dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen
6707d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen        newScreen.setOnLongClickListener(mLongClickListener);
671f358a4bbd6ce5b6ddadfae19e6b9c6872530d627Adam Cohen        newScreen.setOnClickListener(mLauncher);
672837b2413f4d101b19484b52ce7b1ce7137140133Winson Chung        newScreen.setSoundEffectsEnabled(false);
673dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen        mWorkspaceScreens.put(screenId, newScreen);
67464359a53dc827797917a8d9a0697a91996789801Winson Chung        mScreenOrder.add(insertIndex, screenId);
67564359a53dc827797917a8d9a0697a91996789801Winson Chung        addView(newScreen, insertIndex);
676c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen
677ae50284e0a838139c67caf0064a0977c871497faSunny Goyal        if (mLauncher.getAccessibilityDelegate().isInAccessibleDrag()) {
678e9b651eef1b9f3647eba94f833bff3fc52f5956bSunny Goyal            newScreen.enableAccessibleDrag(true, CellLayout.WORKSPACE_ACCESSIBILITY_DRAG);
679c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen        }
680da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal
681da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal        return newScreen;
682dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen    }
683dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen
684dadd984a891a574cebf3dfd38a454a0e6a4228b3Derek Prothro    public void createCustomContentContainer() {
685dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen        CellLayout customScreen = (CellLayout)
6867066003b2032a49ae5e59dab9b706259bdeb7e6eSunny Goyal                mLauncher.getLayoutInflater().inflate(R.layout.workspace_screen, this, false);
687c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen        customScreen.disableDragTarget();
688e2fd14b9f61d58297ff962e8c31f49439e0309a9Sunny Goyal        customScreen.disableJailContent();
689dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen
690dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen        mWorkspaceScreens.put(CUSTOM_CONTENT_SCREEN_ID, customScreen);
691dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen        mScreenOrder.add(0, CUSTOM_CONTENT_SCREEN_ID);
692edb4076e59861d0c343e7245f247e2bee6d48159Adam Cohen
6932702ea006084a441f085c779ff77be1128a19badAdam Cohen        // We want no padding on the custom content
6942702ea006084a441f085c779ff77be1128a19badAdam Cohen        customScreen.setPadding(0, 0, 0, 0);
6952702ea006084a441f085c779ff77be1128a19badAdam Cohen
696edb4076e59861d0c343e7245f247e2bee6d48159Adam Cohen        addFullScreenPage(customScreen);
697ee0ce2b29f9cb06cc143c6f30ffc77f4915b0da9Michael Jurka
69882e5c98446e1f1765aabca1725cba181a56edcb4Winson Chung        // Update the custom content hint
69921cd002fef13ff0b6336f10f97e29738a2b0ecb9Adam Cohen        if (mRestorePage != INVALID_RESTORE_PAGE) {
70021cd002fef13ff0b6336f10f97e29738a2b0ecb9Adam Cohen            mRestorePage = mRestorePage + 1;
70121cd002fef13ff0b6336f10f97e29738a2b0ecb9Adam Cohen        } else {
70221cd002fef13ff0b6336f10f97e29738a2b0ecb9Adam Cohen            setCurrentPage(getCurrentPage() + 1);
70321cd002fef13ff0b6336f10f97e29738a2b0ecb9Adam Cohen        }
704dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen    }
705dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen
706a888158880fea53479447d883391f552604e46b6Dave Hawkey    public void removeCustomContentPage() {
707a888158880fea53479447d883391f552604e46b6Dave Hawkey        CellLayout customScreen = getScreenWithId(CUSTOM_CONTENT_SCREEN_ID);
708a888158880fea53479447d883391f552604e46b6Dave Hawkey        if (customScreen == null) {
709a888158880fea53479447d883391f552604e46b6Dave Hawkey            throw new RuntimeException("Expected custom content screen to exist");
710a888158880fea53479447d883391f552604e46b6Dave Hawkey        }
711a888158880fea53479447d883391f552604e46b6Dave Hawkey
712a888158880fea53479447d883391f552604e46b6Dave Hawkey        mWorkspaceScreens.remove(CUSTOM_CONTENT_SCREEN_ID);
713a888158880fea53479447d883391f552604e46b6Dave Hawkey        mScreenOrder.remove(CUSTOM_CONTENT_SCREEN_ID);
714a888158880fea53479447d883391f552604e46b6Dave Hawkey        removeView(customScreen);
715bb6fda6ac3c4246b91cf66b28cdbc89c3d8a3e52Adam Cohen
716bb6fda6ac3c4246b91cf66b28cdbc89c3d8a3e52Adam Cohen        if (mCustomContentCallbacks != null) {
717bb6fda6ac3c4246b91cf66b28cdbc89c3d8a3e52Adam Cohen            mCustomContentCallbacks.onScrollProgressChanged(0);
718bb6fda6ac3c4246b91cf66b28cdbc89c3d8a3e52Adam Cohen            mCustomContentCallbacks.onHide();
719bb6fda6ac3c4246b91cf66b28cdbc89c3d8a3e52Adam Cohen        }
720bb6fda6ac3c4246b91cf66b28cdbc89c3d8a3e52Adam Cohen
721a888158880fea53479447d883391f552604e46b6Dave Hawkey        mCustomContentCallbacks = null;
722a888158880fea53479447d883391f552604e46b6Dave Hawkey
72382e5c98446e1f1765aabca1725cba181a56edcb4Winson Chung        // Update the custom content hint
72421cd002fef13ff0b6336f10f97e29738a2b0ecb9Adam Cohen        if (mRestorePage != INVALID_RESTORE_PAGE) {
72521cd002fef13ff0b6336f10f97e29738a2b0ecb9Adam Cohen            mRestorePage = mRestorePage - 1;
72621cd002fef13ff0b6336f10f97e29738a2b0ecb9Adam Cohen        } else {
72721cd002fef13ff0b6336f10f97e29738a2b0ecb9Adam Cohen            setCurrentPage(getCurrentPage() - 1);
72821cd002fef13ff0b6336f10f97e29738a2b0ecb9Adam Cohen        }
729a888158880fea53479447d883391f552604e46b6Dave Hawkey    }
730a888158880fea53479447d883391f552604e46b6Dave Hawkey
73153805218809cc1f93a0f1307b442df7c65a3068cAdam Cohen    public void addToCustomContentPage(View customContent, CustomContentCallbacks callbacks,
73253805218809cc1f93a0f1307b442df7c65a3068cAdam Cohen            String description) {
73398ca0f7203f66c491a5362c2f4db79547872bdfeWinson Chung        if (getPageIndexForScreenId(CUSTOM_CONTENT_SCREEN_ID) < 0) {
73498ca0f7203f66c491a5362c2f4db79547872bdfeWinson Chung            throw new RuntimeException("Expected custom content screen to exist");
73598ca0f7203f66c491a5362c2f4db79547872bdfeWinson Chung        }
73698ca0f7203f66c491a5362c2f4db79547872bdfeWinson Chung
73798ca0f7203f66c491a5362c2f4db79547872bdfeWinson Chung        // Add the custom content to the full screen custom page
73898ca0f7203f66c491a5362c2f4db79547872bdfeWinson Chung        CellLayout customScreen = getScreenWithId(CUSTOM_CONTENT_SCREEN_ID);
73998ca0f7203f66c491a5362c2f4db79547872bdfeWinson Chung        int spanX = customScreen.getCountX();
74098ca0f7203f66c491a5362c2f4db79547872bdfeWinson Chung        int spanY = customScreen.getCountY();
74198ca0f7203f66c491a5362c2f4db79547872bdfeWinson Chung        CellLayout.LayoutParams lp = new CellLayout.LayoutParams(0, 0, spanX, spanY);
74298ca0f7203f66c491a5362c2f4db79547872bdfeWinson Chung        lp.canReorder  = false;
74398ca0f7203f66c491a5362c2f4db79547872bdfeWinson Chung        lp.isFullscreen = true;
74477e1f47520958edd7ec04e203db65b932537bd1cJohn Spurlock        if (customContent instanceof Insettable) {
74577e1f47520958edd7ec04e203db65b932537bd1cJohn Spurlock            ((Insettable)customContent).setInsets(mInsets);
74677e1f47520958edd7ec04e203db65b932537bd1cJohn Spurlock        }
747166ebd4da5d85195bd1f562572f468726ade548fAdam Cohen
748166ebd4da5d85195bd1f562572f468726ade548fAdam Cohen        // Verify that the child is removed from any existing parent.
749166ebd4da5d85195bd1f562572f468726ade548fAdam Cohen        if (customContent.getParent() instanceof ViewGroup) {
750166ebd4da5d85195bd1f562572f468726ade548fAdam Cohen            ViewGroup parent = (ViewGroup) customContent.getParent();
751166ebd4da5d85195bd1f562572f468726ade548fAdam Cohen            parent.removeView(customContent);
752166ebd4da5d85195bd1f562572f468726ade548fAdam Cohen        }
753225ad9b7ff206b0beb1b448de38fa1b5679f2ed0Adam Cohen        customScreen.removeAllViews();
7540fa5ada2261a29ad9be7195c8cdb8cb50bdd0742Tony Wickham        customContent.setFocusable(true);
7550fa5ada2261a29ad9be7195c8cdb8cb50bdd0742Tony Wickham        customContent.setOnKeyListener(new FullscreenKeyEventListener());
75662b9b6054e46074f57ccf156a8663b4392cd82d9Tony Wickham        customContent.setOnFocusChangeListener(mLauncher.mFocusHandler
75762b9b6054e46074f57ccf156a8663b4392cd82d9Tony Wickham                .getHideIndicatorOnFocusListener());
75898ca0f7203f66c491a5362c2f4db79547872bdfeWinson Chung        customScreen.addViewToCellLayout(customContent, 0, 0, lp, true);
75953805218809cc1f93a0f1307b442df7c65a3068cAdam Cohen        mCustomContentDescription = description;
76098ca0f7203f66c491a5362c2f4db79547872bdfeWinson Chung
76198ca0f7203f66c491a5362c2f4db79547872bdfeWinson Chung        mCustomContentCallbacks = callbacks;
76298ca0f7203f66c491a5362c2f4db79547872bdfeWinson Chung    }
76398ca0f7203f66c491a5362c2f4db79547872bdfeWinson Chung
7645084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen    public void addExtraEmptyScreenOnDrag() {
7655084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen        boolean lastChildOnScreen = false;
7665084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen        boolean childOnFinalScreen = false;
7675084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen
768ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen        // Cancel any pending removal of empty screen
769ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen        mRemoveEmptyScreenRunnable = null;
770ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen
7715084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen        if (mDragSourceInternal != null) {
7725084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen            if (mDragSourceInternal.getChildCount() == 1) {
7735084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen                lastChildOnScreen = true;
7745084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen            }
7755084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen            CellLayout cl = (CellLayout) mDragSourceInternal.getParent();
7765084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen            if (indexOfChild(cl) == getChildCount() - 1) {
7775084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen                childOnFinalScreen = true;
7785084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen            }
7795084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen        }
7805084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen
7815084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen        // If this is the last item on the final screen
7825084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen        if (lastChildOnScreen && childOnFinalScreen) {
7835084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen            return;
7845084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen        }
7855084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen        if (!mWorkspaceScreens.containsKey(EXTRA_EMPTY_SCREEN_ID)) {
7865084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen            insertNewWorkspaceScreen(EXTRA_EMPTY_SCREEN_ID);
7875084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen        }
7885084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen    }
7895084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen
7905084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen    public boolean addExtraEmptyScreen() {
7915084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen        if (!mWorkspaceScreens.containsKey(EXTRA_EMPTY_SCREEN_ID)) {
7925084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen            insertNewWorkspaceScreen(EXTRA_EMPTY_SCREEN_ID);
7935084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen            return true;
7945084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen        }
7955084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen        return false;
7965084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen    }
7975084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen
798ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen    private void convertFinalScreenToEmptyScreenIfNecessary() {
799dcb173d0e348c23d967bb0939e63b6ce4e1bd503Adam Cohen        if (mLauncher.isWorkspaceLoading()) {
800dcb173d0e348c23d967bb0939e63b6ce4e1bd503Adam Cohen            // Invalid and dangerous operation if workspace is loading
801dcb173d0e348c23d967bb0939e63b6ce4e1bd503Adam Cohen            return;
802dcb173d0e348c23d967bb0939e63b6ce4e1bd503Adam Cohen        }
803dcb173d0e348c23d967bb0939e63b6ce4e1bd503Adam Cohen
804ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen        if (hasExtraEmptyScreen() || mScreenOrder.size() == 0) return;
805ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen        long finalScreenId = mScreenOrder.get(mScreenOrder.size() - 1);
806ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen
807ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen        if (finalScreenId == CUSTOM_CONTENT_SCREEN_ID) return;
808ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen        CellLayout finalScreen = mWorkspaceScreens.get(finalScreenId);
809ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen
810ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen        // If the final screen is empty, convert it to the extra empty screen
811917e38851cbc6caffe1f8dade4db452bace522baAdam Cohen        if (finalScreen.getShortcutsAndWidgets().getChildCount() == 0 &&
812917e38851cbc6caffe1f8dade4db452bace522baAdam Cohen                !finalScreen.isDropPending()) {
813ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen            mWorkspaceScreens.remove(finalScreenId);
814ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen            mScreenOrder.remove(finalScreenId);
815ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen
816ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen            // if this is the last non-custom content screen, convert it to the empty screen
817ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen            mWorkspaceScreens.put(EXTRA_EMPTY_SCREEN_ID, finalScreen);
818ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen            mScreenOrder.add(EXTRA_EMPTY_SCREEN_ID);
819a90303bb6fdad59e4a55855edba68c9902192599Winson Chung
820f0716b7a7475fc80a97fd6f95efecab570d186fbWinson Chung            // Update the model if we have changed any screens
821f0716b7a7475fc80a97fd6f95efecab570d186fbWinson Chung            mLauncher.getModel().updateWorkspaceScreenOrder(mLauncher, mScreenOrder);
822ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen        }
823ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen    }
824ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen
825689ff16ea27fb7c22c247aaf4f42ffe42fede253Adam Cohen    public void removeExtraEmptyScreen(final boolean animate, boolean stripEmptyScreens) {
826689ff16ea27fb7c22c247aaf4f42ffe42fede253Adam Cohen        removeExtraEmptyScreenDelayed(animate, null, 0, stripEmptyScreens);
827ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen    }
828ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen
829689ff16ea27fb7c22c247aaf4f42ffe42fede253Adam Cohen    public void removeExtraEmptyScreenDelayed(final boolean animate, final Runnable onComplete,
830ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen            final int delay, final boolean stripEmptyScreens) {
831dcb173d0e348c23d967bb0939e63b6ce4e1bd503Adam Cohen        if (mLauncher.isWorkspaceLoading()) {
832dcb173d0e348c23d967bb0939e63b6ce4e1bd503Adam Cohen            // Don't strip empty screens if the workspace is still loading
833dcb173d0e348c23d967bb0939e63b6ce4e1bd503Adam Cohen            return;
834dcb173d0e348c23d967bb0939e63b6ce4e1bd503Adam Cohen        }
835dcb173d0e348c23d967bb0939e63b6ce4e1bd503Adam Cohen
836ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen        if (delay > 0) {
837ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen            postDelayed(new Runnable() {
838ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen                @Override
839ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen                public void run() {
840689ff16ea27fb7c22c247aaf4f42ffe42fede253Adam Cohen                    removeExtraEmptyScreenDelayed(animate, onComplete, 0, stripEmptyScreens);
841ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen                }
842ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen            }, delay);
843ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen            return;
844ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen        }
845ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen
846ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen        convertFinalScreenToEmptyScreenIfNecessary();
8472f81731e0986e21bd8407a8793112433795a2d2eMichael Jurka        if (hasExtraEmptyScreen()) {
848ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen            int emptyIndex = mScreenOrder.indexOf(EXTRA_EMPTY_SCREEN_ID);
849ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen            if (getNextPage() == emptyIndex) {
850ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen                snapToPage(getNextPage() - 1, SNAP_OFF_EMPTY_SCREEN_DURATION);
851ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen                fadeAndRemoveEmptyScreen(SNAP_OFF_EMPTY_SCREEN_DURATION, FADE_EMPTY_SCREEN_DURATION,
852ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen                        onComplete, stripEmptyScreens);
853ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen            } else {
8542b7bf87bba2a17374958b73ef07397282d7e655eSunny Goyal                snapToPage(getNextPage(), 0);
855ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen                fadeAndRemoveEmptyScreen(0, FADE_EMPTY_SCREEN_DURATION,
856ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen                        onComplete, stripEmptyScreens);
857ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen            }
858ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen            return;
8593a14eeb54eb6f901629b26bf9e2ccf2d5bc564ddAdam Cohen        } else if (stripEmptyScreens) {
8603a14eeb54eb6f901629b26bf9e2ccf2d5bc564ddAdam Cohen            // If we're not going to strip the empty screens after removing
8613a14eeb54eb6f901629b26bf9e2ccf2d5bc564ddAdam Cohen            // the extra empty screen, do it right away.
8623a14eeb54eb6f901629b26bf9e2ccf2d5bc564ddAdam Cohen            stripEmptyScreens();
8635084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen        }
8643a14eeb54eb6f901629b26bf9e2ccf2d5bc564ddAdam Cohen
865ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen        if (onComplete != null) {
866ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen            onComplete.run();
867ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen        }
868ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen    }
869ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen
870ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen    private void fadeAndRemoveEmptyScreen(int delay, int duration, final Runnable onComplete,
871ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen            final boolean stripEmptyScreens) {
872a90303bb6fdad59e4a55855edba68c9902192599Winson Chung        // XXX: Do we need to update LM workspace screens below?
873ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen        PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 0f);
874ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen        PropertyValuesHolder bgAlpha = PropertyValuesHolder.ofFloat("backgroundAlpha", 0f);
875ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen
876ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen        final CellLayout cl = mWorkspaceScreens.get(EXTRA_EMPTY_SCREEN_ID);
877ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen
878ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen        mRemoveEmptyScreenRunnable = new Runnable() {
879ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen            @Override
880ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen            public void run() {
881ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen                if (hasExtraEmptyScreen()) {
882ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen                    mWorkspaceScreens.remove(EXTRA_EMPTY_SCREEN_ID);
883ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen                    mScreenOrder.remove(EXTRA_EMPTY_SCREEN_ID);
884ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen                    removeView(cl);
885ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen                    if (stripEmptyScreens) {
886ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen                        stripEmptyScreens();
887ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen                    }
888d4b28d2e1bb73fcdb1e46bb06e1666e27af2e643Tony Wickham                    // Update the page indicator to reflect the removed page.
889d4b28d2e1bb73fcdb1e46bb06e1666e27af2e643Tony Wickham                    showPageIndicatorAtCurrentScroll();
890ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen                }
891ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen            }
892ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen        };
893ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen
894ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen        ObjectAnimator oa = ObjectAnimator.ofPropertyValuesHolder(cl, alpha, bgAlpha);
895ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen        oa.setDuration(duration);
896ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen        oa.setStartDelay(delay);
897ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen        oa.addListener(new AnimatorListenerAdapter() {
898ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen            @Override
899ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen            public void onAnimationEnd(Animator animation) {
900ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen                if (mRemoveEmptyScreenRunnable != null) {
901ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen                    mRemoveEmptyScreenRunnable.run();
902ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen                }
903ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen                if (onComplete != null) {
904ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen                    onComplete.run();
905ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen                }
906ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen            }
907ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen        });
908ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen        oa.start();
9095084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen    }
9105084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen
9112f81731e0986e21bd8407a8793112433795a2d2eMichael Jurka    public boolean hasExtraEmptyScreen() {
9122f81731e0986e21bd8407a8793112433795a2d2eMichael Jurka        int nScreens = getChildCount();
913fe0ace3583bc57adbaaec730b1b1757032e90c41Michael Jurka        nScreens = nScreens - numCustomPages();
9142f81731e0986e21bd8407a8793112433795a2d2eMichael Jurka        return mWorkspaceScreens.containsKey(EXTRA_EMPTY_SCREEN_ID) && nScreens > 1;
9152f81731e0986e21bd8407a8793112433795a2d2eMichael Jurka    }
9162f81731e0986e21bd8407a8793112433795a2d2eMichael Jurka
917dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen    public long commitExtraEmptyScreen() {
918dcb173d0e348c23d967bb0939e63b6ce4e1bd503Adam Cohen        if (mLauncher.isWorkspaceLoading()) {
919dcb173d0e348c23d967bb0939e63b6ce4e1bd503Adam Cohen            // Invalid and dangerous operation if workspace is loading
920dcb173d0e348c23d967bb0939e63b6ce4e1bd503Adam Cohen            return -1;
921dcb173d0e348c23d967bb0939e63b6ce4e1bd503Adam Cohen        }
922a90303bb6fdad59e4a55855edba68c9902192599Winson Chung
92389f9705077c054b541af7da52be832760e2ae2e8Winson Chung        int index = getPageIndexForScreenId(EXTRA_EMPTY_SCREEN_ID);
924dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen        CellLayout cl = mWorkspaceScreens.get(EXTRA_EMPTY_SCREEN_ID);
925c916834ad0da535f08325bcd902a60070f2f7e53Winson Chung        mWorkspaceScreens.remove(EXTRA_EMPTY_SCREEN_ID);
926dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen        mScreenOrder.remove(EXTRA_EMPTY_SCREEN_ID);
927dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen
928d249748abf357925b326d57ab68eb6c2b23c4ef6Sunny Goyal        long newId = LauncherSettings.Settings.call(getContext().getContentResolver(),
929d249748abf357925b326d57ab68eb6c2b23c4ef6Sunny Goyal                LauncherSettings.Settings.METHOD_NEW_SCREEN_ID)
930d249748abf357925b326d57ab68eb6c2b23c4ef6Sunny Goyal                .getLong(LauncherSettings.Settings.EXTRA_VALUE);
931dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen        mWorkspaceScreens.put(newId, cl);
932dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen        mScreenOrder.add(newId);
933dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen
93464359a53dc827797917a8d9a0697a91996789801Winson Chung        // Update the model for the new screen
93564359a53dc827797917a8d9a0697a91996789801Winson Chung        mLauncher.getModel().updateWorkspaceScreenOrder(mLauncher, mScreenOrder);
93664359a53dc827797917a8d9a0697a91996789801Winson Chung
937dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen        return newId;
938dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen    }
939dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen
940dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen    public CellLayout getScreenWithId(long screenId) {
9419eba1fd75e9fa6b0dc5cad9a4e817b3b167d2461Sunny Goyal        return mWorkspaceScreens.get(screenId);
942dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen    }
943dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen
944dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen    public long getIdForScreen(CellLayout layout) {
945e2df0620c13b9dc7e63224153b98fdbb48546f9bSunny Goyal        int index = mWorkspaceScreens.indexOfValue(layout);
946e2df0620c13b9dc7e63224153b98fdbb48546f9bSunny Goyal        if (index != -1) {
947e2df0620c13b9dc7e63224153b98fdbb48546f9bSunny Goyal            return mWorkspaceScreens.keyAt(index);
948dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen        }
949dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen        return -1;
950dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen    }
951dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen
952dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen    public int getPageIndexForScreenId(long screenId) {
953dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen        return indexOfChild(mWorkspaceScreens.get(screenId));
954dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen    }
955dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen
956dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen    public long getScreenIdForPageIndex(int index) {
9575f8afe6280eae34620067696173e71943e1a30a3Winson Chung        if (0 <= index && index < mScreenOrder.size()) {
9585f8afe6280eae34620067696173e71943e1a30a3Winson Chung            return mScreenOrder.get(index);
9595f8afe6280eae34620067696173e71943e1a30a3Winson Chung        }
9605f8afe6280eae34620067696173e71943e1a30a3Winson Chung        return -1;
961dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen    }
962dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen
96383a8f042adda926489494dff217c15ab696139b4Sunny Goyal    public ArrayList<Long> getScreenOrder() {
964c916834ad0da535f08325bcd902a60070f2f7e53Winson Chung        return mScreenOrder;
965c916834ad0da535f08325bcd902a60070f2f7e53Winson Chung    }
966c916834ad0da535f08325bcd902a60070f2f7e53Winson Chung
967dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen    public void stripEmptyScreens() {
96865e43032c8962765a3e89826d4312042a03ee3beAdam Cohen        if (mLauncher.isWorkspaceLoading()) {
969dcb173d0e348c23d967bb0939e63b6ce4e1bd503Adam Cohen            // Don't strip empty screens if the workspace is still loading.
970dcb173d0e348c23d967bb0939e63b6ce4e1bd503Adam Cohen            // This is dangerous and can result in data loss.
971517a7f5fd03fb89bd6b465013b278c9f281d0b26Adam Cohen            return;
972517a7f5fd03fb89bd6b465013b278c9f281d0b26Adam Cohen        }
973517a7f5fd03fb89bd6b465013b278c9f281d0b26Adam Cohen
974accfd5648ccb3a3248b422a8c1971b7de8d3207bAdam Cohen        if (isPageMoving()) {
975accfd5648ccb3a3248b422a8c1971b7de8d3207bAdam Cohen            mStripScreensOnPageStopMoving = true;
976accfd5648ccb3a3248b422a8c1971b7de8d3207bAdam Cohen            return;
977accfd5648ccb3a3248b422a8c1971b7de8d3207bAdam Cohen        }
978accfd5648ccb3a3248b422a8c1971b7de8d3207bAdam Cohen
979accfd5648ccb3a3248b422a8c1971b7de8d3207bAdam Cohen        int currentPage = getNextPage();
980dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen        ArrayList<Long> removeScreens = new ArrayList<Long>();
981e2df0620c13b9dc7e63224153b98fdbb48546f9bSunny Goyal        int total = mWorkspaceScreens.size();
982e2df0620c13b9dc7e63224153b98fdbb48546f9bSunny Goyal        for (int i = 0; i < total; i++) {
983e2df0620c13b9dc7e63224153b98fdbb48546f9bSunny Goyal            long id = mWorkspaceScreens.keyAt(i);
984e2df0620c13b9dc7e63224153b98fdbb48546f9bSunny Goyal            CellLayout cl = mWorkspaceScreens.valueAt(i);
985da4fe1a6244457f144e0a331cada3ada17157809Sunny Goyal            // FIRST_SCREEN_ID can never be removed.
986a9e2f5abb3c21d9721939c625ffb0caabb34e8d9Sunny Goyal            if ((!FeatureFlags.QSB_ON_FIRST_SCREEN || id > FIRST_SCREEN_ID)
987a9e2f5abb3c21d9721939c625ffb0caabb34e8d9Sunny Goyal                    && cl.getShortcutsAndWidgets().getChildCount() == 0) {
988dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen                removeScreens.add(id);
989dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen            }
990dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen        }
991dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen
992ae50284e0a838139c67caf0064a0977c871497faSunny Goyal        boolean isInAccessibleDrag = mLauncher.getAccessibilityDelegate().isInAccessibleDrag();
993de1e67c38856ab1253426bfb4f892895eeb5f6d9Vadim Tryshev
9945084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen        // We enforce at least one page to add new items to. In the case that we remove the last
9955084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen        // such screen, we convert the last screen to the empty screen
996fe0ace3583bc57adbaaec730b1b1757032e90c41Michael Jurka        int minScreens = 1 + numCustomPages();
9975084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen
998dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen        int pageShift = 0;
999dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen        for (Long id: removeScreens) {
1000dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen            CellLayout cl = mWorkspaceScreens.get(id);
1001dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen            mWorkspaceScreens.remove(id);
1002dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen            mScreenOrder.remove(id);
10035084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen
10045084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen            if (getChildCount() > minScreens) {
10055084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen                if (indexOfChild(cl) < currentPage) {
10065084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen                    pageShift++;
10075084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen                }
1008de1e67c38856ab1253426bfb4f892895eeb5f6d9Vadim Tryshev
1009ae50284e0a838139c67caf0064a0977c871497faSunny Goyal                if (isInAccessibleDrag) {
1010de1e67c38856ab1253426bfb4f892895eeb5f6d9Vadim Tryshev                    cl.enableAccessibleDrag(false, CellLayout.WORKSPACE_ACCESSIBILITY_DRAG);
1011de1e67c38856ab1253426bfb4f892895eeb5f6d9Vadim Tryshev                }
1012de1e67c38856ab1253426bfb4f892895eeb5f6d9Vadim Tryshev
10135084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen                removeView(cl);
10145084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen            } else {
10155084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen                // if this is the last non-custom content screen, convert it to the empty screen
1016ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen                mRemoveEmptyScreenRunnable = null;
10175084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen                mWorkspaceScreens.put(EXTRA_EMPTY_SCREEN_ID, cl);
10185084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen                mScreenOrder.add(EXTRA_EMPTY_SCREEN_ID);
1019dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen            }
1020dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen        }
102164359a53dc827797917a8d9a0697a91996789801Winson Chung
102264359a53dc827797917a8d9a0697a91996789801Winson Chung        if (!removeScreens.isEmpty()) {
102364359a53dc827797917a8d9a0697a91996789801Winson Chung            // Update the model if we have changed any screens
102464359a53dc827797917a8d9a0697a91996789801Winson Chung            mLauncher.getModel().updateWorkspaceScreenOrder(mLauncher, mScreenOrder);
102564359a53dc827797917a8d9a0697a91996789801Winson Chung        }
1026accfd5648ccb3a3248b422a8c1971b7de8d3207bAdam Cohen
1027accfd5648ccb3a3248b422a8c1971b7de8d3207bAdam Cohen        if (pageShift >= 0) {
1028accfd5648ccb3a3248b422a8c1971b7de8d3207bAdam Cohen            setCurrentPage(currentPage - pageShift);
1029accfd5648ccb3a3248b422a8c1971b7de8d3207bAdam Cohen        }
1030dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen    }
1031dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen
1032dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen    // See implementation for parameter definition.
1033dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen    void addInScreen(View child, long container, long screenId,
1034dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen            int x, int y, int spanX, int spanY) {
1035dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen        addInScreen(child, container, screenId, x, y, spanX, spanY, false, false);
1036dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen    }
1037dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen
1038dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen    // At bind time, we use the rank (screenId) to compute x and y for hotseat items.
1039dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen    // See implementation for parameter definition.
1040f9c184a619e4e4b82cf9e0bf318ca6d8deaaaee7Adam Cohen    public void addInScreenFromBind(View child, long container, long screenId, int x, int y,
1041dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen            int spanX, int spanY) {
1042dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen        addInScreen(child, container, screenId, x, y, spanX, spanY, false, true);
1043dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen    }
1044dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen
1045dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen    // See implementation for parameter definition.
1046dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen    void addInScreen(View child, long container, long screenId, int x, int y, int spanX, int spanY,
1047dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen            boolean insert) {
1048dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen        addInScreen(child, container, screenId, x, y, spanX, spanY, insert, false);
1049aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung    }
1050aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
105131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    /**
105231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * Adds the specified child in the specified screen. The position and dimension of
105331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * the child are defined by x, y, spanX and spanY.
105431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     *
105531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param child The child to add in one of the workspace's screens.
1056dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen     * @param screenId The screen in which to add the child.
105731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param x The X position of the child in the screen's grid.
105831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param y The Y position of the child in the screen's grid.
105931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param spanX The number of cells spanned horizontally by the child.
106031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param spanY The number of cells spanned vertically by the child.
106131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param insert When true, the child is inserted at the beginning of the children list.
1062dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen     * @param computeXYFromRank When true, we use the rank (stored in screenId) to compute
1063dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen     *                          the x and y position in which to place hotseat items. Otherwise
1064dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen     *                          we use the x and y position to compute the rank.
106531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     */
1066dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen    void addInScreen(View child, long container, long screenId, int x, int y, int spanX, int spanY,
1067dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen            boolean insert, boolean computeXYFromRank) {
10683d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        if (container == LauncherSettings.Favorites.CONTAINER_DESKTOP) {
1069dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen            if (getScreenWithId(screenId) == null) {
1070dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen                Log.e(TAG, "Skipping child, screenId " + screenId + " not found");
10718481e32e5ba318d11c31317072a8a23aacd3d0b9Winson Chung                // DEBUGGING - Print out the stack trace to see where we are adding from
10728481e32e5ba318d11c31317072a8a23aacd3d0b9Winson Chung                new Throwable().printStackTrace();
10733d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung                return;
10743d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung            }
10753d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        }
1076dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen        if (screenId == EXTRA_EMPTY_SCREEN_ID) {
1077dedbd962dcfaf055a6835abf5b0000ce1564e51eAdam Cohen            // This should never happen
1078dedbd962dcfaf055a6835abf5b0000ce1564e51eAdam Cohen            throw new RuntimeException("Screen id should not be EXTRA_EMPTY_SCREEN_ID");
1079dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen        }
1080dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen
10813d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        final CellLayout layout;
10823d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        if (container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) {
10833d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung            layout = mLauncher.getHotseat().getLayout();
1084b3726d90a567e992e4d0f43e7c7acdd8739ae805Sunny Goyal            child.setOnKeyListener(new HotseatIconKeyEventListener());
10853d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung
1086099f60d51f6310e1290687e83958e665b3324504Adam Cohen            // Hide folder title in the hotseat
1087099f60d51f6310e1290687e83958e665b3324504Adam Cohen            if (child instanceof FolderIcon) {
1088099f60d51f6310e1290687e83958e665b3324504Adam Cohen                ((FolderIcon) child).setTextVisible(false);
1089099f60d51f6310e1290687e83958e665b3324504Adam Cohen            }
1090099f60d51f6310e1290687e83958e665b3324504Adam Cohen
1091dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen            if (computeXYFromRank) {
1092dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen                x = mLauncher.getHotseat().getCellXFromOrder((int) screenId);
1093dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen                y = mLauncher.getHotseat().getCellYFromOrder((int) screenId);
10943d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung            } else {
1095dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen                screenId = mLauncher.getHotseat().getOrderInHotseat(x, y);
10963d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung            }
10973d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        } else {
1098099f60d51f6310e1290687e83958e665b3324504Adam Cohen            // Show folder title if not in the hotseat
1099099f60d51f6310e1290687e83958e665b3324504Adam Cohen            if (child instanceof FolderIcon) {
1100099f60d51f6310e1290687e83958e665b3324504Adam Cohen                ((FolderIcon) child).setTextVisible(true);
1101099f60d51f6310e1290687e83958e665b3324504Adam Cohen            }
1102dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen            layout = getScreenWithId(screenId);
1103ac56cff1860b71d3f164aedd268703936e08fdc0Adam Cohen            child.setOnKeyListener(new IconKeyEventListener());
110431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
110531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
110696d30a165185dc59617e181314f4d22634e22952Adam Cohen        ViewGroup.LayoutParams genericLp = child.getLayoutParams();
1107ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen        CellLayout.LayoutParams lp;
1108ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen        if (genericLp == null || !(genericLp instanceof CellLayout.LayoutParams)) {
110931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            lp = new CellLayout.LayoutParams(x, y, spanX, spanY);
111031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        } else {
1111ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen            lp = (CellLayout.LayoutParams) genericLp;
111231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            lp.cellX = x;
111331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            lp.cellY = y;
111431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            lp.cellHSpan = spanX;
111531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            lp.cellVSpan = spanY;
111631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
1117aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
11187f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen        if (spanX < 0 && spanY < 0) {
11197f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen            lp.isLockedToGrid = false;
11207f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen        }
11217f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen
11226569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy        // Get the canonical child id to uniquely represent this view in this screen
1123c76e1dda0875c13131462d80d0c1721a6149e08dAdam Cohen        ItemInfo info = (ItemInfo) child.getTag();
1124c76e1dda0875c13131462d80d0c1721a6149e08dAdam Cohen        int childId = mLauncher.getViewIdForItem(info);
1125c76e1dda0875c13131462d80d0c1721a6149e08dAdam Cohen
1126f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka        boolean markCellsAsOccupied = !(child instanceof Folder);
11273d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        if (!layout.addViewToCellLayout(child, insert ? 0 : -1, childId, lp, markCellsAsOccupied)) {
1128aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung            // TODO: This branch occurs when the workspace is adding views
1129aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung            // outside of the defined grid
11306569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy            // maybe we should be deleting these items from the LauncherModel?
1131a13654529cb557abd946da4d4637593565917ecdSunny Goyal            Log.e(TAG, "Failed to add to item at (" + lp.cellX + "," + lp.cellY + ") to CellLayout");
1132aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung        }
1133aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
113431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        if (!(child instanceof Folder)) {
11350d44e9482b95d8f163b28bf20131c4349185b589Joe Onorato            child.setHapticFeedbackEnabled(false);
113631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            child.setOnLongClickListener(mLongClickListener);
11371bce7fd342875be8f7c1f82c8cf21d0199c8d544Tony Wickham            if (child instanceof BubbleTextView && DeepShortcutManager.supportsShortcuts(info)) {
11381bce7fd342875be8f7c1f82c8cf21d0199c8d544Tony Wickham                // TODO: only add this listener if the item has shortcuts associated with it.
11391bce7fd342875be8f7c1f82c8cf21d0199c8d544Tony Wickham                child.setOnTouchListener(new ShortcutsContainerListener((BubbleTextView) child));
11401bce7fd342875be8f7c1f82c8cf21d0199c8d544Tony Wickham            }
114131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
114200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato        if (child instanceof DropTarget) {
1143aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung            mDragController.addDropTarget((DropTarget) child);
114400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato        }
114531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
114631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
1147d0ce1ec2e21ce3bb0ba3549a01d1d06b440a8e45Patrick Dubroy    /**
1148e708c5249b26978057acb9370cbfb8f6f747f5b8Patrick Dubroy     * Called directly from a CellLayout (not by the framework), after we've been added as a
1149e708c5249b26978057acb9370cbfb8f6f747f5b8Patrick Dubroy     * listener via setOnInterceptTouchEventListener(). This allows us to tell the CellLayout
1150e708c5249b26978057acb9370cbfb8f6f747f5b8Patrick Dubroy     * that it should intercept touch events, which is not something that is normally supported.
1151e708c5249b26978057acb9370cbfb8f6f747f5b8Patrick Dubroy     */
11527066003b2032a49ae5e59dab9b706259bdeb7e6eSunny Goyal    @SuppressLint("ClickableViewAccessibility")
1153e708c5249b26978057acb9370cbfb8f6f747f5b8Patrick Dubroy    @Override
1154dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka    public boolean onTouch(View v, MotionEvent event) {
11556c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen        return (workspaceInModalState() || !isFinishedSwitchingState())
11566c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen                || (!workspaceInModalState() && indexOfChild(v) != mCurrentPage);
1157e708c5249b26978057acb9370cbfb8f6f747f5b8Patrick Dubroy    }
1158e708c5249b26978057acb9370cbfb8f6f747f5b8Patrick Dubroy
1159fc53cd22c9a78708c78c85946443f23ec8c59502Adam Cohen    public boolean isSwitchingState() {
1160fc53cd22c9a78708c78c85946443f23ec8c59502Adam Cohen        return mIsSwitchingState;
1161fc53cd22c9a78708c78c85946443f23ec8c59502Adam Cohen    }
1162fc53cd22c9a78708c78c85946443f23ec8c59502Adam Cohen
11637044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung    /** This differs from isSwitchingState in that we take into account how far the transition
11647044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung     *  has completed. */
11659b0b2fefb2de9aca457ab1c38ffd08d7667f4065Winson Chung    public boolean isFinishedSwitchingState() {
11667044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung        return !mIsSwitchingState || (mTransitionProgress > 0.5f);
11677044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung    }
11687044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung
1169ded9f8d8658d0b6601006c0a954cd3bf530e55c1Adam Cohen    protected void onWindowVisibilityChanged (int visibility) {
1170ded9f8d8658d0b6601006c0a954cd3bf530e55c1Adam Cohen        mLauncher.onWindowVisibilityChanged(visibility);
1171ded9f8d8658d0b6601006c0a954cd3bf530e55c1Adam Cohen    }
1172ded9f8d8658d0b6601006c0a954cd3bf530e55c1Adam Cohen
11735f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka    @Override
11745f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka    public boolean dispatchUnhandledMove(View focused, int direction) {
11756c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen        if (workspaceInModalState() || !isFinishedSwitchingState()) {
11765f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka            // when the home screens are shrunken, shouldn't allow side-scrolling
11775f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka            return false;
11785f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka        }
11795f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka        return super.dispatchUnhandledMove(focused, direction);
11805f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka    }
11815f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka
11825f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka    @Override
11835f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka    public boolean onInterceptTouchEvent(MotionEvent ev) {
1184d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka        switch (ev.getAction() & MotionEvent.ACTION_MASK) {
1185d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka        case MotionEvent.ACTION_DOWN:
1186f8d2823d885ba682140aee1ae0504c1c5e67a24bAdam Cohen            mXDown = ev.getX();
1187f8d2823d885ba682140aee1ae0504c1c5e67a24bAdam Cohen            mYDown = ev.getY();
11883d1b2b420684a61cf68baf4bd2a6a5ac9680d16aAdam Cohen            mTouchDownTime = System.currentTimeMillis();
1189d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka            break;
1190d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka        case MotionEvent.ACTION_POINTER_UP:
1191d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka        case MotionEvent.ACTION_UP:
1192d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka            if (mTouchState == TOUCH_STATE_REST) {
1193d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka                final CellLayout currentPage = (CellLayout) getChildAt(mCurrentPage);
11942805e639cdea6ae0051155611d122ed27556e658Sunny Goyal                if (currentPage != null) {
1195d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka                    onWallpaperTap(ev);
1196d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka                }
1197d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka            }
1198f8d2823d885ba682140aee1ae0504c1c5e67a24bAdam Cohen        }
11995f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka        return super.onInterceptTouchEvent(ev);
12005f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka    }
12015f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka
1202d3fbe683bb52c8be9a14783bb70f32a46cf6f6dbJan-Willem Maarse    @Override
1203d3fbe683bb52c8be9a14783bb70f32a46cf6f6dbJan-Willem Maarse    public boolean onGenericMotionEvent(MotionEvent event) {
1204d3fbe683bb52c8be9a14783bb70f32a46cf6f6dbJan-Willem Maarse        // Ignore pointer scroll events if the custom content doesn't allow scrolling.
1205d3fbe683bb52c8be9a14783bb70f32a46cf6f6dbJan-Willem Maarse        if ((getScreenIdForPageIndex(getCurrentPage()) == CUSTOM_CONTENT_SCREEN_ID)
1206d3fbe683bb52c8be9a14783bb70f32a46cf6f6dbJan-Willem Maarse                && (mCustomContentCallbacks != null)
1207d3fbe683bb52c8be9a14783bb70f32a46cf6f6dbJan-Willem Maarse                && !mCustomContentCallbacks.isScrollingAllowed()) {
1208d3fbe683bb52c8be9a14783bb70f32a46cf6f6dbJan-Willem Maarse            return false;
1209d3fbe683bb52c8be9a14783bb70f32a46cf6f6dbJan-Willem Maarse        }
1210d3fbe683bb52c8be9a14783bb70f32a46cf6f6dbJan-Willem Maarse        return super.onGenericMotionEvent(event);
1211d3fbe683bb52c8be9a14783bb70f32a46cf6f6dbJan-Willem Maarse    }
1212d3fbe683bb52c8be9a14783bb70f32a46cf6f6dbJan-Willem Maarse
12133d50932a93dd367537db3548bde29d1380b371c0Adam Cohen    protected void reinflateWidgetsIfNecessary() {
12143d50932a93dd367537db3548bde29d1380b371c0Adam Cohen        final int clCount = getChildCount();
12153d50932a93dd367537db3548bde29d1380b371c0Adam Cohen        for (int i = 0; i < clCount; i++) {
12163d50932a93dd367537db3548bde29d1380b371c0Adam Cohen            CellLayout cl = (CellLayout) getChildAt(i);
12173d50932a93dd367537db3548bde29d1380b371c0Adam Cohen            ShortcutAndWidgetContainer swc = cl.getShortcutsAndWidgets();
12183d50932a93dd367537db3548bde29d1380b371c0Adam Cohen            final int itemCount = swc.getChildCount();
12193d50932a93dd367537db3548bde29d1380b371c0Adam Cohen            for (int j = 0; j < itemCount; j++) {
12203d50932a93dd367537db3548bde29d1380b371c0Adam Cohen                View v = swc.getChildAt(j);
12213d50932a93dd367537db3548bde29d1380b371c0Adam Cohen
122287af0fded6d91b85c7a4bbf066f93d58c241b146Sunny Goyal                if (v instanceof LauncherAppWidgetHostView
122387af0fded6d91b85c7a4bbf066f93d58c241b146Sunny Goyal                        && v.getTag() instanceof LauncherAppWidgetInfo) {
12243d50932a93dd367537db3548bde29d1380b371c0Adam Cohen                    LauncherAppWidgetInfo info = (LauncherAppWidgetInfo) v.getTag();
122587af0fded6d91b85c7a4bbf066f93d58c241b146Sunny Goyal                    LauncherAppWidgetHostView lahv = (LauncherAppWidgetHostView) v;
122687af0fded6d91b85c7a4bbf066f93d58c241b146Sunny Goyal                    if (lahv.isReinflateRequired()) {
1227c0b52fefbc11531d560359c093484099f9d1298eWinson                        // Remove and rebind the current widget (which was inflated in the wrong
1228c0b52fefbc11531d560359c093484099f9d1298eWinson                        // orientation), but don't delete it from the database
12292949fb5b16a07259e221c5c04470e90c8afb4ea8Winson                        mLauncher.removeItem(lahv, info, false  /* deleteFromDb */);
12303d50932a93dd367537db3548bde29d1380b371c0Adam Cohen                        mLauncher.bindAppWidget(info);
12313d50932a93dd367537db3548bde29d1380b371c0Adam Cohen                    }
12323d50932a93dd367537db3548bde29d1380b371c0Adam Cohen                }
12333d50932a93dd367537db3548bde29d1380b371c0Adam Cohen            }
12343d50932a93dd367537db3548bde29d1380b371c0Adam Cohen        }
12353d50932a93dd367537db3548bde29d1380b371c0Adam Cohen    }
12363d50932a93dd367537db3548bde29d1380b371c0Adam Cohen
12371adf5391a3a3d215b226adf3702019c22a99e3b1Michael Jurka    @Override
12381adf5391a3a3d215b226adf3702019c22a99e3b1Michael Jurka    protected void determineScrollingStart(MotionEvent ev) {
12397044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung        if (!isFinishedSwitchingState()) return;
1240f8d2823d885ba682140aee1ae0504c1c5e67a24bAdam Cohen
12413d1b2b420684a61cf68baf4bd2a6a5ac9680d16aAdam Cohen        float deltaX = ev.getX() - mXDown;
12423d1b2b420684a61cf68baf4bd2a6a5ac9680d16aAdam Cohen        float absDeltaX = Math.abs(deltaX);
12433d1b2b420684a61cf68baf4bd2a6a5ac9680d16aAdam Cohen        float absDeltaY = Math.abs(ev.getY() - mYDown);
1244f8d2823d885ba682140aee1ae0504c1c5e67a24bAdam Cohen
12453d1b2b420684a61cf68baf4bd2a6a5ac9680d16aAdam Cohen        if (Float.compare(absDeltaX, 0f) == 0) return;
1246f8d2823d885ba682140aee1ae0504c1c5e67a24bAdam Cohen
12473d1b2b420684a61cf68baf4bd2a6a5ac9680d16aAdam Cohen        float slope = absDeltaY / absDeltaX;
12487044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung        float theta = (float) Math.atan(slope);
1249f8d2823d885ba682140aee1ae0504c1c5e67a24bAdam Cohen
12503d1b2b420684a61cf68baf4bd2a6a5ac9680d16aAdam Cohen        if (absDeltaX > mTouchSlop || absDeltaY > mTouchSlop) {
12517044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung            cancelCurrentPageLongPress();
12527044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung        }
12537044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung
12543d1b2b420684a61cf68baf4bd2a6a5ac9680d16aAdam Cohen        boolean passRightSwipesToCustomContent =
12553d1b2b420684a61cf68baf4bd2a6a5ac9680d16aAdam Cohen                (mTouchDownTime - mCustomContentShowTime) > CUSTOM_CONTENT_GESTURE_DELAY;
12563d1b2b420684a61cf68baf4bd2a6a5ac9680d16aAdam Cohen
12577066003b2032a49ae5e59dab9b706259bdeb7e6eSunny Goyal        boolean swipeInIgnoreDirection = mIsRtl ? deltaX < 0 : deltaX > 0;
12582ff91c46fa6f1b84fb08b6f31499934d30d8a91dJan-Willem Maarse        boolean onCustomContentScreen =
12592ff91c46fa6f1b84fb08b6f31499934d30d8a91dJan-Willem Maarse                getScreenIdForPageIndex(getCurrentPage()) == CUSTOM_CONTENT_SCREEN_ID;
12602ff91c46fa6f1b84fb08b6f31499934d30d8a91dJan-Willem Maarse        if (swipeInIgnoreDirection && onCustomContentScreen && passRightSwipesToCustomContent) {
12613d1b2b420684a61cf68baf4bd2a6a5ac9680d16aAdam Cohen            // Pass swipes to the right to the custom content page.
12623d1b2b420684a61cf68baf4bd2a6a5ac9680d16aAdam Cohen            return;
12633d1b2b420684a61cf68baf4bd2a6a5ac9680d16aAdam Cohen        }
12643d1b2b420684a61cf68baf4bd2a6a5ac9680d16aAdam Cohen
12652ff91c46fa6f1b84fb08b6f31499934d30d8a91dJan-Willem Maarse        if (onCustomContentScreen && (mCustomContentCallbacks != null)
12662ff91c46fa6f1b84fb08b6f31499934d30d8a91dJan-Willem Maarse                && !mCustomContentCallbacks.isScrollingAllowed()) {
12672ff91c46fa6f1b84fb08b6f31499934d30d8a91dJan-Willem Maarse            // Don't allow workspace scrolling if the current custom content screen doesn't allow
12682ff91c46fa6f1b84fb08b6f31499934d30d8a91dJan-Willem Maarse            // scrolling.
12692ff91c46fa6f1b84fb08b6f31499934d30d8a91dJan-Willem Maarse            return;
12702ff91c46fa6f1b84fb08b6f31499934d30d8a91dJan-Willem Maarse        }
12712ff91c46fa6f1b84fb08b6f31499934d30d8a91dJan-Willem Maarse
12727044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung        if (theta > MAX_SWIPE_ANGLE) {
12737044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung            // Above MAX_SWIPE_ANGLE, we don't want to ever start scrolling the workspace
12747044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung            return;
12757044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung        } else if (theta > START_DAMPING_TOUCH_SLOP_ANGLE) {
12767044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung            // Above START_DAMPING_TOUCH_SLOP_ANGLE and below MAX_SWIPE_ANGLE, we want to
12777044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung            // increase the touch slop to make it harder to begin scrolling the workspace. This
12787044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung            // results in vertically scrolling widgets to more easily. The higher the angle, the
12797044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung            // more we increase touch slop.
12807044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung            theta -= START_DAMPING_TOUCH_SLOP_ANGLE;
12817044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung            float extraRatio = (float)
12827044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung                    Math.sqrt((theta / (MAX_SWIPE_ANGLE - START_DAMPING_TOUCH_SLOP_ANGLE)));
12837044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung            super.determineScrollingStart(ev, 1 + TOUCH_SLOP_DAMPING_FACTOR * extraRatio);
12847044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung        } else {
12857044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung            // Below START_DAMPING_TOUCH_SLOP_ANGLE, we don't do anything special
12867044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung            super.determineScrollingStart(ev);
1287f8d2823d885ba682140aee1ae0504c1c5e67a24bAdam Cohen        }
12881adf5391a3a3d215b226adf3702019c22a99e3b1Michael Jurka    }
12891adf5391a3a3d215b226adf3702019c22a99e3b1Michael Jurka
12901262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy    protected void onPageBeginMoving() {
1291007c69867d821ea2b271398577a8b3440b3a7046Winson Chung        super.onPageBeginMoving();
1292007c69867d821ea2b271398577a8b3440b3a7046Winson Chung
1293d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka        if (isHardwareAccelerated()) {
12943a0469d1e40459529e2d4d57ebc493f930f7c01aMichael Jurka            updateChildrenLayersEnabled(false);
12950142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        } else {
1296d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka            if (mNextPage != INVALID_PAGE) {
1297d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka                // we're snapping to a particular screen
1298d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka                enableChildrenCache(mCurrentPage, mNextPage);
1299d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka            } else {
1300d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka                // this is when user is actively dragging a particular screen, they might
1301d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka                // swipe it either left or right (but we won't advance by more than one screen)
1302d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka                enableChildrenCache(mCurrentPage - 1, mCurrentPage + 1);
1303d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka            }
130431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
130531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
130631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
13071262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy    protected void onPageEndMoving() {
1308007c69867d821ea2b271398577a8b3440b3a7046Winson Chung        super.onPageEndMoving();
1309007c69867d821ea2b271398577a8b3440b3a7046Winson Chung
1310d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka        if (isHardwareAccelerated()) {
13113a0469d1e40459529e2d4d57ebc493f930f7c01aMichael Jurka            updateChildrenLayersEnabled(false);
1312d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka        } else {
1313d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka            clearChildrenCache();
1314d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka        }
1315d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka
13163bc21c35fa167ac233e19df0c9a01b0a07173ed8Winson Chung        if (mDragController.isDragging()) {
13176c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen            if (workspaceInModalState()) {
13183bc21c35fa167ac233e19df0c9a01b0a07173ed8Winson Chung                // If we are in springloaded mode, then force an event to check if the current touch
13193bc21c35fa167ac233e19df0c9a01b0a07173ed8Winson Chung                // is under a new page (to scroll to)
132025460a1d5cb473033408c9e76898bb77e785c66fWinson Chung                mDragController.forceTouchMove();
13213bc21c35fa167ac233e19df0c9a01b0a07173ed8Winson Chung            }
13221262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy        }
132326976d9b53161f80faf822d482ac771b8621cf31Adam Cohen
1324e03856267544d2209c2844c9c06c74e8e52ff104Tony Wickham        if (mDelayedResizeRunnable != null && !mIsSwitchingState) {
132526976d9b53161f80faf822d482ac771b8621cf31Adam Cohen            mDelayedResizeRunnable.run();
132626976d9b53161f80faf822d482ac771b8621cf31Adam Cohen            mDelayedResizeRunnable = null;
132726976d9b53161f80faf822d482ac771b8621cf31Adam Cohen        }
1328f0c6ae0e35d3e020db55b5b826955da66b14b7f6Winson Chung
1329f0c6ae0e35d3e020db55b5b826955da66b14b7f6Winson Chung        if (mDelayedSnapToPageRunnable != null) {
1330f0c6ae0e35d3e020db55b5b826955da66b14b7f6Winson Chung            mDelayedSnapToPageRunnable.run();
1331f0c6ae0e35d3e020db55b5b826955da66b14b7f6Winson Chung            mDelayedSnapToPageRunnable = null;
1332f0c6ae0e35d3e020db55b5b826955da66b14b7f6Winson Chung        }
1333accfd5648ccb3a3248b422a8c1971b7de8d3207bAdam Cohen        if (mStripScreensOnPageStopMoving) {
1334accfd5648ccb3a3248b422a8c1971b7de8d3207bAdam Cohen            stripEmptyScreens();
1335accfd5648ccb3a3248b422a8c1971b7de8d3207bAdam Cohen            mStripScreensOnPageStopMoving = false;
1336accfd5648ccb3a3248b422a8c1971b7de8d3207bAdam Cohen        }
1337c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen    }
1338c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen
1339c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen    protected void onScrollInteractionBegin() {
1340c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen        super.onScrollInteractionEnd();
1341c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen        mScrollInteractionBegan = true;
1342c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen    }
1343c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen
1344c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen    protected void onScrollInteractionEnd() {
1345c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen        super.onScrollInteractionEnd();
1346c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen        mScrollInteractionBegan = false;
1347c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen        if (mStartedSendingScrollEvents) {
1348c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen            mStartedSendingScrollEvents = false;
1349c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen            mLauncherOverlay.onScrollInteractionEnd();
1350c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen        }
1351c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen    }
1352c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen
1353c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen    public void setLauncherOverlay(LauncherOverlay overlay) {
1354c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen        mLauncherOverlay = overlay;
1355c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal        // A new overlay has been set. Reset event tracking
1356c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal        mStartedSendingScrollEvents = false;
1357c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal        onOverlayScrollChanged(0);
1358c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal    }
1359c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal
1360c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal    @Override
1361c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal    protected int getUnboundedScrollX() {
1362061380a04d067d06adf41c72b4a6892827777accSunny Goyal        if (isScrollingOverlay()) {
1363061380a04d067d06adf41c72b4a6892827777accSunny Goyal            return mUnboundedScrollX;
1364c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal        }
1365c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal
1366c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal        return super.getUnboundedScrollX();
1367c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal    }
1368c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal
1369061380a04d067d06adf41c72b4a6892827777accSunny Goyal    private boolean isScrollingOverlay() {
1370061380a04d067d06adf41c72b4a6892827777accSunny Goyal        return mLauncherOverlay != null &&
1371061380a04d067d06adf41c72b4a6892827777accSunny Goyal                ((mIsRtl && mUnboundedScrollX > mMaxScrollX) || (!mIsRtl && mUnboundedScrollX < 0));
1372061380a04d067d06adf41c72b4a6892827777accSunny Goyal    }
1373061380a04d067d06adf41c72b4a6892827777accSunny Goyal
1374061380a04d067d06adf41c72b4a6892827777accSunny Goyal    @Override
1375061380a04d067d06adf41c72b4a6892827777accSunny Goyal    protected void snapToDestination() {
1376061380a04d067d06adf41c72b4a6892827777accSunny Goyal        // If we're overscrolling the overlay, we make sure to immediately reset the PagedView
1377061380a04d067d06adf41c72b4a6892827777accSunny Goyal        // to it's baseline position instead of letting the overscroll settle. The overlay handles
1378061380a04d067d06adf41c72b4a6892827777accSunny Goyal        // it's own settling, and every gesture to the overlay should be self-contained and start
1379061380a04d067d06adf41c72b4a6892827777accSunny Goyal        // from 0, so we zero it out here.
1380061380a04d067d06adf41c72b4a6892827777accSunny Goyal        if (isScrollingOverlay()) {
1381061380a04d067d06adf41c72b4a6892827777accSunny Goyal            int finalScroll = mIsRtl ? mMaxScrollX : 0;
1382061380a04d067d06adf41c72b4a6892827777accSunny Goyal
1383061380a04d067d06adf41c72b4a6892827777accSunny Goyal            // We reset mWasInOverscroll so that PagedView doesn't zero out the overscroll
1384061380a04d067d06adf41c72b4a6892827777accSunny Goyal            // interaction when we call scrollTo.
1385061380a04d067d06adf41c72b4a6892827777accSunny Goyal            mWasInOverscroll = false;
1386061380a04d067d06adf41c72b4a6892827777accSunny Goyal            scrollTo(finalScroll, getScrollY());
1387061380a04d067d06adf41c72b4a6892827777accSunny Goyal        } else {
1388061380a04d067d06adf41c72b4a6892827777accSunny Goyal            super.snapToDestination();
1389061380a04d067d06adf41c72b4a6892827777accSunny Goyal        }
1390061380a04d067d06adf41c72b4a6892827777accSunny Goyal    }
1391061380a04d067d06adf41c72b4a6892827777accSunny Goyal
1392c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal    @Override
1393c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal    public void scrollTo(int x, int y) {
1394c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal        mUnboundedScrollX = x;
1395c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal        super.scrollTo(x, y);
1396c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen    }
1397c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen
13986178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal    private void onWorkspaceOverallScrollChanged() {
13996178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal        mLauncher.getQsbContainer().setTranslationX(
14006178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal                mOverlayTranslation + mFirstPageScrollX - getScrollX());
14016178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal    }
14026178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal
1403c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen    @Override
1404f549dab31d0fa3e4d0cf8d6025b20e49aafb2d59Tony Wickham    protected void onScrollChanged(int l, int t, int oldl, int oldt) {
1405f549dab31d0fa3e4d0cf8d6025b20e49aafb2d59Tony Wickham        super.onScrollChanged(l, t, oldl, oldt);
14066178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal        onWorkspaceOverallScrollChanged();
1407f549dab31d0fa3e4d0cf8d6025b20e49aafb2d59Tony Wickham
1408f549dab31d0fa3e4d0cf8d6025b20e49aafb2d59Tony Wickham        // Update the page indicator progress.
1409f549dab31d0fa3e4d0cf8d6025b20e49aafb2d59Tony Wickham        boolean isTransitioning = mIsSwitchingState
1410f549dab31d0fa3e4d0cf8d6025b20e49aafb2d59Tony Wickham                || (getLayoutTransition() != null && getLayoutTransition().isRunning());
1411ddb77003e728cac32de009e709f80280e68f6b6eTony Wickham        if (!isTransitioning) {
1412f549dab31d0fa3e4d0cf8d6025b20e49aafb2d59Tony Wickham            showPageIndicatorAtCurrentScroll();
1413f549dab31d0fa3e4d0cf8d6025b20e49aafb2d59Tony Wickham        }
1414f549dab31d0fa3e4d0cf8d6025b20e49aafb2d59Tony Wickham    }
1415f549dab31d0fa3e4d0cf8d6025b20e49aafb2d59Tony Wickham
1416f549dab31d0fa3e4d0cf8d6025b20e49aafb2d59Tony Wickham    private void showPageIndicatorAtCurrentScroll() {
1417ddb77003e728cac32de009e709f80280e68f6b6eTony Wickham        if (mPageIndicator != null) {
1418ddb77003e728cac32de009e709f80280e68f6b6eTony Wickham            mPageIndicator.setScroll(getScrollX(), computeMaxScrollX());
1419ddb77003e728cac32de009e709f80280e68f6b6eTony Wickham        }
1420f549dab31d0fa3e4d0cf8d6025b20e49aafb2d59Tony Wickham    }
1421f549dab31d0fa3e4d0cf8d6025b20e49aafb2d59Tony Wickham
1422f549dab31d0fa3e4d0cf8d6025b20e49aafb2d59Tony Wickham    @Override
1423c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen    protected void overScroll(float amount) {
14247066003b2032a49ae5e59dab9b706259bdeb7e6eSunny Goyal        boolean shouldOverScroll = (amount <= 0 && (!hasCustomContent() || mIsRtl)) ||
14257066003b2032a49ae5e59dab9b706259bdeb7e6eSunny Goyal                (amount >= 0 && (!hasCustomContent() || !mIsRtl));
1426c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen
14278c4ca9277dcb92cb965a1e58eef59ad9868ae44eAdam Cohen        boolean shouldScrollOverlay = mLauncherOverlay != null &&
14287066003b2032a49ae5e59dab9b706259bdeb7e6eSunny Goyal                ((amount <= 0 && !mIsRtl) || (amount >= 0 && mIsRtl));
14298c4ca9277dcb92cb965a1e58eef59ad9868ae44eAdam Cohen
14308c4ca9277dcb92cb965a1e58eef59ad9868ae44eAdam Cohen        boolean shouldZeroOverlay = mLauncherOverlay != null && mLastOverlaySroll != 0 &&
14317066003b2032a49ae5e59dab9b706259bdeb7e6eSunny Goyal                ((amount >= 0 && !mIsRtl) || (amount <= 0 && mIsRtl));
1432c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen
1433c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen        if (shouldScrollOverlay) {
1434c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen            if (!mStartedSendingScrollEvents && mScrollInteractionBegan) {
1435c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen                mStartedSendingScrollEvents = true;
1436c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen                mLauncherOverlay.onScrollInteractionBegin();
1437c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen            }
1438c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen
1439c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal            mLastOverlaySroll = Math.abs(amount / getViewportWidth());
1440c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal            mLauncherOverlay.onScrollChange(mLastOverlaySroll, mIsRtl);
1441c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen        } else if (shouldOverScroll) {
1442c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen            dampedOverScroll(amount);
1443c2d6e897dbcb96b7b629e42002966368fbda2f95Adam Cohen        }
14448c4ca9277dcb92cb965a1e58eef59ad9868ae44eAdam Cohen
14458c4ca9277dcb92cb965a1e58eef59ad9868ae44eAdam Cohen        if (shouldZeroOverlay) {
14467066003b2032a49ae5e59dab9b706259bdeb7e6eSunny Goyal            mLauncherOverlay.onScrollChange(0, mIsRtl);
14478c4ca9277dcb92cb965a1e58eef59ad9868ae44eAdam Cohen        }
144889cbbb9d2e6885f176d59d8e7476a4001fe6e7f5Adam Cohen    }
144989cbbb9d2e6885f176d59d8e7476a4001fe6e7f5Adam Cohen
1450c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal    private final Interpolator mAlphaInterpolator = new DecelerateInterpolator(3f);
1451c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal
1452c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal    /**
1453c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal     * The overlay scroll is being controlled locally, just update our overlay effect
1454c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal     */
1455c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal    public void onOverlayScrollChanged(float scroll) {
1456c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal        float offset = 0f;
1457c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal        float slip = 0f;
1458c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal
1459c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal        scroll = Math.max(scroll - offset, 0);
1460c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal        scroll = Math.min(1, scroll / (1 - offset));
1461c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal
1462c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal        float alpha = 1 - mAlphaInterpolator.getInterpolation(scroll);
1463c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal        float transX = mLauncher.getDragLayer().getMeasuredWidth() * scroll;
1464c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal        transX *= 1 - slip;
1465c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal
1466c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal        if (mIsRtl) {
1467c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal            transX = -transX;
1468c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal        }
1469ee68816be8e4667548ac8925a14d014f1d66d460Sunny Goyal        mOverlayTranslation = transX;
1470c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal
1471c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal        // TODO(adamcohen): figure out a final effect here. We may need to recommend
1472c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal        // different effects based on device performance. On at least one relatively high-end
1473c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal        // device I've tried, translating the launcher causes things to get quite laggy.
1474230b2b7f441cef5c842f0c6f13a0b91db043a94cHyunyoung Song        setWorkspaceTranslationAndAlpha(Direction.X, transX, alpha);
1475230b2b7f441cef5c842f0c6f13a0b91db043a94cHyunyoung Song        setHotseatTranslationAndAlpha(Direction.X, transX, alpha);
14766178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal        onWorkspaceOverallScrollChanged();
14776178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal    }
14786178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal
14796178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal    /**
14806178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal     * Moves the workspace UI in the Y direction.
14816178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal     * @param translation the amount of shift.
14826178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal     * @param alpha the alpha for the workspace page
14836178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal     */
14846178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal    public void setWorkspaceYTranslationAndAlpha(float translation, float alpha) {
14856178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal        setWorkspaceTranslationAndAlpha(Direction.Y, translation, alpha);
14866178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal
14876178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal        mLauncher.getQsbContainer().setTranslationY(translation);
14886178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal        mQsbAlphaController.setAlphaAtIndex(alpha, QSB_ALPHA_INDEX_Y_TRANSLATION);
1489a92e0dfa0c8724252c692da59193ee40d0b366a7Sunny Goyal    }
1490a92e0dfa0c8724252c692da59193ee40d0b366a7Sunny Goyal
1491a92e0dfa0c8724252c692da59193ee40d0b366a7Sunny Goyal    /**
1492a92e0dfa0c8724252c692da59193ee40d0b366a7Sunny Goyal     * Moves the workspace UI in the provided direction.
1493bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal     * @param direction the direction to move the workspace
1494bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal     * @param translation the amount of shift.
1495a92e0dfa0c8724252c692da59193ee40d0b366a7Sunny Goyal     * @param alpha the alpha for the workspace page
1496a92e0dfa0c8724252c692da59193ee40d0b366a7Sunny Goyal     */
14976178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal    private void setWorkspaceTranslationAndAlpha(Direction direction, float translation, float alpha) {
1498bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal        Property<View, Float> property = direction.viewProperty;
1499bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal        mPageAlpha[direction.ordinal()] = alpha;
1500bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal        float finalAlpha = mPageAlpha[0] * mPageAlpha[1];
1501bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal
1502a92e0dfa0c8724252c692da59193ee40d0b366a7Sunny Goyal        View currentChild = getChildAt(getCurrentPage());
1503a92e0dfa0c8724252c692da59193ee40d0b366a7Sunny Goyal        if (currentChild != null) {
1504bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal            property.set(currentChild, translation);
1505bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal            currentChild.setAlpha(finalAlpha);
1506a92e0dfa0c8724252c692da59193ee40d0b366a7Sunny Goyal        }
1507c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal
1508c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal        // When the animation finishes, reset all pages, just in case we missed a page.
1509a92e0dfa0c8724252c692da59193ee40d0b366a7Sunny Goyal        if (Float.compare(translation, 0) == 0) {
1510c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal            for (int i = getChildCount() - 1; i >= 0; i--) {
1511a92e0dfa0c8724252c692da59193ee40d0b366a7Sunny Goyal                View child = getChildAt(i);
1512bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal                property.set(child, translation);
1513bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal                child.setAlpha(finalAlpha);
1514c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal            }
1515c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal        }
1516c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal    }
1517c86df470ab360a6e3f7edfd4b9cadcc5c31734f8Sunny Goyal
1518a92e0dfa0c8724252c692da59193ee40d0b366a7Sunny Goyal    /**
1519a92e0dfa0c8724252c692da59193ee40d0b366a7Sunny Goyal     * Moves the Hotseat UI in the provided direction.
1520bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal     * @param direction the direction to move the workspace
1521a92e0dfa0c8724252c692da59193ee40d0b366a7Sunny Goyal     * @param translation the amound of shift.
1522a92e0dfa0c8724252c692da59193ee40d0b366a7Sunny Goyal     * @param alpha the alpha for the hotseat page
1523a92e0dfa0c8724252c692da59193ee40d0b366a7Sunny Goyal     */
1524230b2b7f441cef5c842f0c6f13a0b91db043a94cHyunyoung Song    public void setHotseatTranslationAndAlpha(Direction direction, float translation, float alpha) {
1525bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal        Property<View, Float> property = direction.viewProperty;
15266d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal        property.set(mPageIndicator, translation);
15276d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal        property.set(mLauncher.getHotseat(), translation);
15286d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal        setHotseatAlphaAtIndex(alpha, direction.ordinal());
15296d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal    }
1530bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal
15316d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal    private void setHotseatAlphaAtIndex(float alpha, int index) {
15326d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal        mHotseatAlpha[index] = alpha;
15336d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal        float finalAlpha = mHotseatAlpha[0] * mHotseatAlpha[1] * mHotseatAlpha[2];
1534a92e0dfa0c8724252c692da59193ee40d0b366a7Sunny Goyal
1535bfa8fbd782370c9d1f5b24f94dc29b74a31b28f0Sunny Goyal        mLauncher.getHotseat().setAlpha(finalAlpha);
15366d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal        mPageIndicator.setAlpha(finalAlpha);
15376d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal    }
15386d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal
15396d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal    public ValueAnimator createHotseatAlphaAnimator(float finalValue) {
15406d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal        if (Float.compare(finalValue, mHotseatAlpha[HOTSEAT_STATE_ALPHA_INDEX]) == 0) {
15416d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal            // Return a dummy animator to avoid null checks.
15426d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal            return ValueAnimator.ofFloat(0, 0);
15436d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal        } else {
15446d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal            ValueAnimator animator = ValueAnimator
15456d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal                    .ofFloat(mHotseatAlpha[HOTSEAT_STATE_ALPHA_INDEX], finalValue);
15466d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal            animator.addUpdateListener(new AnimatorUpdateListener() {
15476d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal                @Override
15486d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal                public void onAnimationUpdate(ValueAnimator valueAnimator) {
15496d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal                    float value = (Float) valueAnimator.getAnimatedValue();
15506d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal                    setHotseatAlphaAtIndex(value, HOTSEAT_STATE_ALPHA_INDEX);
15516d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal                }
15526d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal            });
15536d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal
15546d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal            AccessibilityManager am = (AccessibilityManager)
15556d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal                    mLauncher.getSystemService(Context.ACCESSIBILITY_SERVICE);
15566d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal            final boolean accessibilityEnabled = am.isEnabled();
15576d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal            animator.addUpdateListener(
15586d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal                    new AlphaUpdateListener(mLauncher.getHotseat(), accessibilityEnabled));
15596d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal            animator.addUpdateListener(
15606d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal                    new AlphaUpdateListener(mPageIndicator, accessibilityEnabled));
15616d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal            return animator;
15626d64d88b0f222c951f406a7e2195f8f3c0be208fSunny Goyal        }
1563a92e0dfa0c8724252c692da59193ee40d0b366a7Sunny Goyal    }
1564a92e0dfa0c8724252c692da59193ee40d0b366a7Sunny Goyal
1565ee68816be8e4667548ac8925a14d014f1d66d460Sunny Goyal    @Override
1566ee68816be8e4667548ac8925a14d014f1d66d460Sunny Goyal    protected Matrix getPageShiftMatrix() {
1567ee68816be8e4667548ac8925a14d014f1d66d460Sunny Goyal        if (Float.compare(mOverlayTranslation, 0) != 0) {
1568ee68816be8e4667548ac8925a14d014f1d66d460Sunny Goyal            // The pages are translated by mOverlayTranslation. incorporate that in the
1569ee68816be8e4667548ac8925a14d014f1d66d460Sunny Goyal            // visible page calculation by shifting everything back by that same amount.
1570ee68816be8e4667548ac8925a14d014f1d66d460Sunny Goyal            mTempMatrix.set(getMatrix());
1571ee68816be8e4667548ac8925a14d014f1d66d460Sunny Goyal            mTempMatrix.postTranslate(-mOverlayTranslation, 0);
1572ee68816be8e4667548ac8925a14d014f1d66d460Sunny Goyal            return mTempMatrix;
1573ee68816be8e4667548ac8925a14d014f1d66d460Sunny Goyal        }
1574ee68816be8e4667548ac8925a14d014f1d66d460Sunny Goyal        return super.getPageShiftMatrix();
1575ee68816be8e4667548ac8925a14d014f1d66d460Sunny Goyal    }
1576ee68816be8e4667548ac8925a14d014f1d66d460Sunny Goyal
157789cbbb9d2e6885f176d59d8e7476a4001fe6e7f5Adam Cohen    @Override
15784d113a5ff44ff1a7f19263bde21581fbf9a54212Sunny Goyal    protected void getEdgeVerticalPostion(int[] pos) {
15794d113a5ff44ff1a7f19263bde21581fbf9a54212Sunny Goyal        View child = getChildAt(getPageCount() - 1);
15804d113a5ff44ff1a7f19263bde21581fbf9a54212Sunny Goyal        pos[0] = child.getTop();
15814d113a5ff44ff1a7f19263bde21581fbf9a54212Sunny Goyal        pos[1] = child.getBottom();
15824d113a5ff44ff1a7f19263bde21581fbf9a54212Sunny Goyal    }
15834d113a5ff44ff1a7f19263bde21581fbf9a54212Sunny Goyal
15844d113a5ff44ff1a7f19263bde21581fbf9a54212Sunny Goyal    @Override
158589cbbb9d2e6885f176d59d8e7476a4001fe6e7f5Adam Cohen    protected void notifyPageSwitchListener() {
158689cbbb9d2e6885f176d59d8e7476a4001fe6e7f5Adam Cohen        super.notifyPageSwitchListener();
1587bffe745b1e195deedc1dcc60f37950b3b0b4c652Adam Cohen
15886ad0e7dcaeef394cc1c28294dde309da69233412Adam Cohen        if (hasCustomContent() && getNextPage() == 0 && !mCustomContentShowing) {
1589bffe745b1e195deedc1dcc60f37950b3b0b4c652Adam Cohen            mCustomContentShowing = true;
1590bffe745b1e195deedc1dcc60f37950b3b0b4c652Adam Cohen            if (mCustomContentCallbacks != null) {
15913a8a8f7c2355863006208fced945f63c9bdb40b4Selim Cinek                mCustomContentCallbacks.onShow(false);
15923d1b2b420684a61cf68baf4bd2a6a5ac9680d16aAdam Cohen                mCustomContentShowTime = System.currentTimeMillis();
1593bffe745b1e195deedc1dcc60f37950b3b0b4c652Adam Cohen            }
15946ad0e7dcaeef394cc1c28294dde309da69233412Adam Cohen        } else if (hasCustomContent() && getNextPage() != 0 && mCustomContentShowing) {
1595bffe745b1e195deedc1dcc60f37950b3b0b4c652Adam Cohen            mCustomContentShowing = false;
1596bffe745b1e195deedc1dcc60f37950b3b0b4c652Adam Cohen            if (mCustomContentCallbacks != null) {
1597bffe745b1e195deedc1dcc60f37950b3b0b4c652Adam Cohen                mCustomContentCallbacks.onHide();
1598bffe745b1e195deedc1dcc60f37950b3b0b4c652Adam Cohen            }
1599bffe745b1e195deedc1dcc60f37950b3b0b4c652Adam Cohen        }
160001f2d7fa4b24b21543012060305d693899b4beaaChris Craik    }
16010142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka
16026fecd410e8567af916b1bbd53198d9878c686177Adam Cohen    protected CustomContentCallbacks getCustomContentCallbacks() {
16036fecd410e8567af916b1bbd53198d9878c686177Adam Cohen        return mCustomContentCallbacks;
16046fecd410e8567af916b1bbd53198d9878c686177Adam Cohen    }
16056fecd410e8567af916b1bbd53198d9878c686177Adam Cohen
1606824fcb3a3e05166d7e1bd9c2cd821aeaebc994c5Adam Cohen    protected void setWallpaperDimension() {
16076f866095c0177a794050e578f148b640f4e0a0abSunny Goyal        Utilities.THREAD_POOL_EXECUTOR.execute(new Runnable() {
16086f866095c0177a794050e578f148b640f4e0a0abSunny Goyal            @Override
16096f866095c0177a794050e578f148b640f4e0a0abSunny Goyal            public void run() {
16106f866095c0177a794050e578f148b640f4e0a0abSunny Goyal                final Point size = LauncherAppState.getInstance()
16116f866095c0177a794050e578f148b640f4e0a0abSunny Goyal                        .getInvariantDeviceProfile().defaultWallpaperSize;
16126f866095c0177a794050e578f148b640f4e0a0abSunny Goyal                if (size.x != mWallpaperManager.getDesiredMinimumWidth()
16136f866095c0177a794050e578f148b640f4e0a0abSunny Goyal                        || size.y != mWallpaperManager.getDesiredMinimumHeight()) {
16146f866095c0177a794050e578f148b640f4e0a0abSunny Goyal                    mWallpaperManager.suggestDesiredDimensions(size.x, size.y);
16154b17147c28488c20b01aea18297fd6a327bad213Sunny Goyal                }
1616a6a0547fa6df0769fcd107a2e5f7c7d527fa0700Michael Jurka            }
16176f866095c0177a794050e578f148b640f4e0a0abSunny Goyal        });
1618c5b262ccf639fedac2aff5bb8238342f95396338Michael Jurka    }
1619c5b262ccf639fedac2aff5bb8238342f95396338Michael Jurka
1620f0c6ae0e35d3e020db55b5b826955da66b14b7f6Winson Chung    protected void snapToPage(int whichPage, Runnable r) {
1621ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen        snapToPage(whichPage, SLOW_PAGE_SNAP_ANIMATION_DURATION, r);
1622ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen    }
1623ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen
1624ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen    protected void snapToPage(int whichPage, int duration, Runnable r) {
1625f0c6ae0e35d3e020db55b5b826955da66b14b7f6Winson Chung        if (mDelayedSnapToPageRunnable != null) {
1626f0c6ae0e35d3e020db55b5b826955da66b14b7f6Winson Chung            mDelayedSnapToPageRunnable.run();
1627f0c6ae0e35d3e020db55b5b826955da66b14b7f6Winson Chung        }
1628f0c6ae0e35d3e020db55b5b826955da66b14b7f6Winson Chung        mDelayedSnapToPageRunnable = r;
1629ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen        snapToPage(whichPage, duration);
1630f0c6ae0e35d3e020db55b5b826955da66b14b7f6Winson Chung    }
1631f0c6ae0e35d3e020db55b5b826955da66b14b7f6Winson Chung
1632db364c3355a7f5212459c74bd7e837f12aca463bAdam Cohen    public void snapToScreenId(long screenId) {
1633db364c3355a7f5212459c74bd7e837f12aca463bAdam Cohen        snapToScreenId(screenId, null);
1634db364c3355a7f5212459c74bd7e837f12aca463bAdam Cohen    }
1635db364c3355a7f5212459c74bd7e837f12aca463bAdam Cohen
1636dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen    protected void snapToScreenId(long screenId, Runnable r) {
1637dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen        snapToPage(getPageIndexForScreenId(screenId), r);
1638dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen    }
1639dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen
1640340c5f3a708efa280a120708594247952ca65182Michael Jurka    @Override
1641340c5f3a708efa280a120708594247952ca65182Michael Jurka    public void computeScroll() {
1642340c5f3a708efa280a120708594247952ca65182Michael Jurka        super.computeScroll();
1643fe09cb7fe3ec1ab3e7aabd2d0415de61df31c4dbMichael Jurka        mWallpaperOffset.syncWithScroll();
1644cc07e7a9c6e383f35a8de717be71201f666b01a8Michael Jurka    }
1645cc07e7a9c6e383f35a8de717be71201f666b01a8Michael Jurka
164695cdb3a0211650e76adb451588ce89fd585b178fTony Wickham    public void computeScrollWithoutInvalidation() {
164795cdb3a0211650e76adb451588ce89fd585b178fTony Wickham        computeScrollHelper(false);
164895cdb3a0211650e76adb451588ce89fd585b178fTony Wickham    }
164995cdb3a0211650e76adb451588ce89fd585b178fTony Wickham
1650ed05f09aa1f83fc7ed02c8c40fa473a7f1a3a1e0Jason Monk    @Override
1651a5209e33fcce5cd429086971ef1b57bcfc106c23Tony Wickham    protected void determineScrollingStart(MotionEvent ev, float touchSlopScale) {
1652a5209e33fcce5cd429086971ef1b57bcfc106c23Tony Wickham        if (!isSwitchingState()) {
1653a5209e33fcce5cd429086971ef1b57bcfc106c23Tony Wickham            super.determineScrollingStart(ev, touchSlopScale);
1654a5209e33fcce5cd429086971ef1b57bcfc106c23Tony Wickham        }
1655a5209e33fcce5cd429086971ef1b57bcfc106c23Tony Wickham    }
1656a5209e33fcce5cd429086971ef1b57bcfc106c23Tony Wickham
1657a5209e33fcce5cd429086971ef1b57bcfc106c23Tony Wickham    @Override
1658ed05f09aa1f83fc7ed02c8c40fa473a7f1a3a1e0Jason Monk    public void announceForAccessibility(CharSequence text) {
1659ed05f09aa1f83fc7ed02c8c40fa473a7f1a3a1e0Jason Monk        // Don't announce if apps is on top of us.
1660b745afbdd75157c73d581b345118cdaff99e912dWinson Chung        if (!mLauncher.isAppsViewVisible()) {
1661ed05f09aa1f83fc7ed02c8c40fa473a7f1a3a1e0Jason Monk            super.announceForAccessibility(text);
1662ed05f09aa1f83fc7ed02c8c40fa473a7f1a3a1e0Jason Monk        }
1663ed05f09aa1f83fc7ed02c8c40fa473a7f1a3a1e0Jason Monk    }
1664ed05f09aa1f83fc7ed02c8c40fa473a7f1a3a1e0Jason Monk
166594f78a5c44c08b258f59b2c78ff6694e5eaca827Patrick Dubroy    public void showOutlinesTemporarily() {
166694f78a5c44c08b258f59b2c78ff6694e5eaca827Patrick Dubroy        if (!mIsPageMoving && !isTouchActive()) {
166794f78a5c44c08b258f59b2c78ff6694e5eaca827Patrick Dubroy            snapToPage(mCurrentPage);
166894f78a5c44c08b258f59b2c78ff6694e5eaca827Patrick Dubroy        }
166994f78a5c44c08b258f59b2c78ff6694e5eaca827Patrick Dubroy    }
167094f78a5c44c08b258f59b2c78ff6694e5eaca827Patrick Dubroy
1671a3d30adbfd4f013260f1f5ba3a56bc9bb4a11717Michael Jurka    private void updatePageAlphaValues(int screenCenter) {
1672869390b6abd6e005a5ce85a8ee3c11daeecce919Michael Jurka        if (mWorkspaceFadeInAdjacentScreens &&
1673c50438c802355dff714b04f42a32e518cb9e91d8Adam Cohen                !workspaceInModalState() &&
16744d113a5ff44ff1a7f19263bde21581fbf9a54212Sunny Goyal                !mIsSwitchingState) {
167584a465aa0e795619b248047c5e21cd77c82b1ff1Adam Cohen            for (int i = numCustomPages(); i < getChildCount(); i++) {
1676869390b6abd6e005a5ce85a8ee3c11daeecce919Michael Jurka                CellLayout child = (CellLayout) getChildAt(i);
1677869390b6abd6e005a5ce85a8ee3c11daeecce919Michael Jurka                if (child != null) {
1678869390b6abd6e005a5ce85a8ee3c11daeecce919Michael Jurka                    float scrollProgress = getScrollProgress(screenCenter, child, i);
167973894964c27f68a3a7ffb45bfba76520613fd3f0Adam Cohen                    float alpha = 1 - Math.abs(scrollProgress);
1680869390b6abd6e005a5ce85a8ee3c11daeecce919Michael Jurka                    child.getShortcutsAndWidgets().setAlpha(alpha);
16816178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal
16826178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal                    if (isQsbContainerPage(i)) {
16836178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal                        mQsbAlphaController.setAlphaAtIndex(alpha, QSB_ALPHA_INDEX_PAGE_SCROLL);
16846178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal                    }
168573894964c27f68a3a7ffb45bfba76520613fd3f0Adam Cohen                }
1686f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen            }
1687f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen        }
1688a3d30adbfd4f013260f1f5ba3a56bc9bb4a11717Michael Jurka    }
1689a3d30adbfd4f013260f1f5ba3a56bc9bb4a11717Michael Jurka
1690c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
1691e9b651eef1b9f3647eba94f833bff3fc52f5956bSunny Goyal    @Override
1692c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen    public void enableAccessibleDrag(boolean enable) {
1693c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen        for (int i = 0; i < getChildCount(); i++) {
1694c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen            CellLayout child = (CellLayout) getChildAt(i);
1695e9b651eef1b9f3647eba94f833bff3fc52f5956bSunny Goyal            child.enableAccessibleDrag(enable, CellLayout.WORKSPACE_ACCESSIBILITY_DRAG);
1696c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen        }
1697c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen
1698c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen        if (enable) {
1699c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen            // We need to allow our individual children to become click handlers in this case
1700c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen            setOnClickListener(null);
1701c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen        } else {
1702c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen            // Reset our click listener
1703c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen            setOnClickListener(mLauncher);
1704c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen        }
170547328fd53f43fd0c2ed14ad925dd04483f9229a0Sunny Goyal        mLauncher.getDropTargetBar().enableAccessibleDrag(enable);
1706e9b651eef1b9f3647eba94f833bff3fc52f5956bSunny Goyal        mLauncher.getHotseat().getLayout()
1707e9b651eef1b9f3647eba94f833bff3fc52f5956bSunny Goyal            .enableAccessibleDrag(enable, CellLayout.WORKSPACE_ACCESSIBILITY_DRAG);
1708c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen    }
1709c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen
171098ca0f7203f66c491a5362c2f4db79547872bdfeWinson Chung    public boolean hasCustomContent() {
1711edb4076e59861d0c343e7245f247e2bee6d48159Adam Cohen        return (mScreenOrder.size() > 0 && mScreenOrder.get(0) == CUSTOM_CONTENT_SCREEN_ID);
1712edb4076e59861d0c343e7245f247e2bee6d48159Adam Cohen    }
1713edb4076e59861d0c343e7245f247e2bee6d48159Adam Cohen
1714fe0ace3583bc57adbaaec730b1b1757032e90c41Michael Jurka    public int numCustomPages() {
1715fe0ace3583bc57adbaaec730b1b1757032e90c41Michael Jurka        return hasCustomContent() ? 1 : 0;
1716fe0ace3583bc57adbaaec730b1b1757032e90c41Michael Jurka    }
1717fe0ace3583bc57adbaaec730b1b1757032e90c41Michael Jurka
1718bffe745b1e195deedc1dcc60f37950b3b0b4c652Adam Cohen    public boolean isOnOrMovingToCustomContent() {
17194b66bf3cff049ba39da74c0fb0f9edbced410f7cAdam Cohen        return hasCustomContent() && getNextPage() == 0 && mRestorePage == INVALID_RESTORE_PAGE;
1720bffe745b1e195deedc1dcc60f37950b3b0b4c652Adam Cohen    }
1721bffe745b1e195deedc1dcc60f37950b3b0b4c652Adam Cohen
1722edb4076e59861d0c343e7245f247e2bee6d48159Adam Cohen    private void updateStateForCustomContent(int screenCenter) {
1723a888158880fea53479447d883391f552604e46b6Dave Hawkey        float translationX = 0;
1724a888158880fea53479447d883391f552604e46b6Dave Hawkey        float progress = 0;
1725af110e8603b2f372286d9155cbe8955a6a329e2dAllan Wojciechowski        if (hasCustomContent()) {
1726edb4076e59861d0c343e7245f247e2bee6d48159Adam Cohen            int index = mScreenOrder.indexOf(CUSTOM_CONTENT_SCREEN_ID);
1727564a2e7116b026c1d73829e65d47b660b03a3c72Adam Cohen
1728a45de07ece42b8dac4d5a99326ebf2d4b72ef267Adam Cohen            int scrollDelta = getScrollX() - getScrollForPage(index) -
1729a45de07ece42b8dac4d5a99326ebf2d4b72ef267Adam Cohen                    getLayoutTransitionOffsetForPage(index);
1730a45de07ece42b8dac4d5a99326ebf2d4b72ef267Adam Cohen            float scrollRange = getScrollForPage(index + 1) - getScrollForPage(index);
1731a45de07ece42b8dac4d5a99326ebf2d4b72ef267Adam Cohen            translationX = scrollRange - scrollDelta;
1732a45de07ece42b8dac4d5a99326ebf2d4b72ef267Adam Cohen            progress = (scrollRange - scrollDelta) / scrollRange;
1733af9b0e51aac239457fbd038f7cb2088265054e42Adam Cohen
17347066003b2032a49ae5e59dab9b706259bdeb7e6eSunny Goyal            if (mIsRtl) {
1735af9b0e51aac239457fbd038f7cb2088265054e42Adam Cohen                translationX = Math.min(0, translationX);
1736af9b0e51aac239457fbd038f7cb2088265054e42Adam Cohen            } else {
1737af9b0e51aac239457fbd038f7cb2088265054e42Adam Cohen                translationX = Math.max(0, translationX);
1738af9b0e51aac239457fbd038f7cb2088265054e42Adam Cohen            }
1739955806dfc49aa793a386722800be9433f94c5563Adam Cohen            progress = Math.max(0, progress);
1740a888158880fea53479447d883391f552604e46b6Dave Hawkey        }
1741edb4076e59861d0c343e7245f247e2bee6d48159Adam Cohen
1742a888158880fea53479447d883391f552604e46b6Dave Hawkey        if (Float.compare(progress, mLastCustomContentScrollProgress) == 0) return;
174384add1de6d0964d675542af2a70f7f67e5da556aAdam Cohen
174484add1de6d0964d675542af2a70f7f67e5da556aAdam Cohen        CellLayout cc = mWorkspaceScreens.get(CUSTOM_CONTENT_SCREEN_ID);
17456c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen        if (progress > 0 && cc.getVisibility() != VISIBLE && !workspaceInModalState()) {
174684add1de6d0964d675542af2a70f7f67e5da556aAdam Cohen            cc.setVisibility(VISIBLE);
174784add1de6d0964d675542af2a70f7f67e5da556aAdam Cohen        }
174884add1de6d0964d675542af2a70f7f67e5da556aAdam Cohen
1749a888158880fea53479447d883391f552604e46b6Dave Hawkey        mLastCustomContentScrollProgress = progress;
1750c36fa5ce395bd39d16f6a998372700ed53d5d9d6Adam Cohen
17510f785720667ab8afe4b4620a6c333d382d8659edWinson Chung        // We should only update the drag layer background alpha if we are not in all apps or the
17520f785720667ab8afe4b4620a6c333d382d8659edWinson Chung        // widgets tray
17530f785720667ab8afe4b4620a6c333d382d8659edWinson Chung        if (mState == State.NORMAL) {
17540c9143d06b64ca40c64e66ddd65848deeead8131Sunny Goyal            mLauncher.getDragLayer().setBackgroundAlpha(progress == 1 ? 0 : progress * 0.8f);
17550f785720667ab8afe4b4620a6c333d382d8659edWinson Chung        }
175622cba7f9958569a5e4c1dfcce4969daeaa6c898cAdam Cohen
1757a888158880fea53479447d883391f552604e46b6Dave Hawkey        if (mLauncher.getHotseat() != null) {
1758a888158880fea53479447d883391f552604e46b6Dave Hawkey            mLauncher.getHotseat().setTranslationX(translationX);
1759a888158880fea53479447d883391f552604e46b6Dave Hawkey        }
1760c36fa5ce395bd39d16f6a998372700ed53d5d9d6Adam Cohen
1761d0a6ae7f645e6ba564aebb50316c53fa2e119459Sunny Goyal        if (mPageIndicator != null) {
1762d0a6ae7f645e6ba564aebb50316c53fa2e119459Sunny Goyal            mPageIndicator.setTranslationX(translationX);
1763a888158880fea53479447d883391f552604e46b6Dave Hawkey        }
1764c36fa5ce395bd39d16f6a998372700ed53d5d9d6Adam Cohen
1765a888158880fea53479447d883391f552604e46b6Dave Hawkey        if (mCustomContentCallbacks != null) {
1766a888158880fea53479447d883391f552604e46b6Dave Hawkey            mCustomContentCallbacks.onScrollProgressChanged(progress);
1767edb4076e59861d0c343e7245f247e2bee6d48159Adam Cohen        }
1768edb4076e59861d0c343e7245f247e2bee6d48159Adam Cohen    }
1769edb4076e59861d0c343e7245f247e2bee6d48159Adam Cohen
1770a3d30adbfd4f013260f1f5ba3a56bc9bb4a11717Michael Jurka    @Override
1771a3d30adbfd4f013260f1f5ba3a56bc9bb4a11717Michael Jurka    protected void screenScrolled(int screenCenter) {
1772a3d30adbfd4f013260f1f5ba3a56bc9bb4a11717Michael Jurka        updatePageAlphaValues(screenCenter);
1773edb4076e59861d0c343e7245f247e2bee6d48159Adam Cohen        updateStateForCustomContent(screenCenter);
1774d51f33a6316c34fc69b8040946ed9a62519bb225Michael Jurka        enableHwLayersOnVisiblePages();
1775b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen    }
1776b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen
177700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato    protected void onAttachedToWindow() {
177800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato        super.onAttachedToWindow();
17799eba1fd75e9fa6b0dc5cad9a4e817b3b167d2461Sunny Goyal        IBinder windowToken = getWindowToken();
17809eba1fd75e9fa6b0dc5cad9a4e817b3b167d2461Sunny Goyal        mWallpaperOffset.setWindowToken(windowToken);
1781956091ba7863bd72086275e61084864994dd6fa7Joe Onorato        computeScroll();
17829eba1fd75e9fa6b0dc5cad9a4e817b3b167d2461Sunny Goyal        mDragController.setWindowToken(windowToken);
17839c6fbed48783dacd9bc6b4ec5f2cc8e59ec7ee37Michael Jurka    }
17849c6fbed48783dacd9bc6b4ec5f2cc8e59ec7ee37Michael Jurka
17859c6fbed48783dacd9bc6b4ec5f2cc8e59ec7ee37Michael Jurka    protected void onDetachedFromWindow() {
1786e6661950f54f1813aec69928cecb3e5d4446c7e7Romain Guy        super.onDetachedFromWindow();
17879eba1fd75e9fa6b0dc5cad9a4e817b3b167d2461Sunny Goyal        mWallpaperOffset.setWindowToken(null);
178800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato    }
178900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato
179053805218809cc1f93a0f1307b442df7c65a3068cAdam Cohen    protected void onResume() {
1791a6a0547fa6df0769fcd107a2e5f7c7d527fa0700Michael Jurka        // Update wallpaper dimensions if they were changed since last onResume
1792a6a0547fa6df0769fcd107a2e5f7c7d527fa0700Michael Jurka        // (we also always set the wallpaper dimensions in the constructor)
1793a6a0547fa6df0769fcd107a2e5f7c7d527fa0700Michael Jurka        if (LauncherAppState.getInstance().hasWallpaperChangedSinceLastCheck()) {
1794824fcb3a3e05166d7e1bd9c2cd821aeaebc994c5Adam Cohen            setWallpaperDimension();
1795a6a0547fa6df0769fcd107a2e5f7c7d527fa0700Michael Jurka        }
17969eba1fd75e9fa6b0dc5cad9a4e817b3b167d2461Sunny Goyal        mWallpaperOffset.onResume();
179753805218809cc1f93a0f1307b442df7c65a3068cAdam Cohen    }
179853805218809cc1f93a0f1307b442df7c65a3068cAdam Cohen
179931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    @Override
180028750fba6a2d141eb9a1e566718c17236030b815Michael Jurka    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
1801c5b262ccf639fedac2aff5bb8238342f95396338Michael Jurka        if (mFirstLayout && mCurrentPage >= 0 && mCurrentPage < getChildCount()) {
1802fe09cb7fe3ec1ab3e7aabd2d0415de61df31c4dbMichael Jurka            mWallpaperOffset.syncWithScroll();
1803cc07e7a9c6e383f35a8de717be71201f666b01a8Michael Jurka            mWallpaperOffset.jumpToFinal();
1804c5b262ccf639fedac2aff5bb8238342f95396338Michael Jurka        }
18050142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        super.onLayout(changed, left, top, right, bottom);
18066178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal        mFirstPageScrollX = getScrollForPage(0);
18076178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal        onWorkspaceOverallScrollChanged();
180831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
180931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
181031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    @Override
181131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    protected boolean onRequestFocusInDescendants(int direction, Rect previouslyFocusedRect) {
1812b745afbdd75157c73d581b345118cdaff99e912dWinson Chung        if (!mLauncher.isAppsViewVisible()) {
181331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            final Folder openFolder = getOpenFolder();
181431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            if (openFolder != null) {
181531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                return openFolder.requestFocus(direction, previouslyFocusedRect);
181631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            } else {
18170142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka                return super.onRequestFocusInDescendants(direction, previouslyFocusedRect);
181831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            }
181931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
182031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        return false;
182131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
182231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
182331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    @Override
182497d85d23b013347bead4e2f5fa430a79ce69431eWinson Chung    public int getDescendantFocusability() {
18256c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen        if (workspaceInModalState()) {
182697d85d23b013347bead4e2f5fa430a79ce69431eWinson Chung            return ViewGroup.FOCUS_BLOCK_DESCENDANTS;
182797d85d23b013347bead4e2f5fa430a79ce69431eWinson Chung        }
182897d85d23b013347bead4e2f5fa430a79ce69431eWinson Chung        return super.getDescendantFocusability();
182997d85d23b013347bead4e2f5fa430a79ce69431eWinson Chung    }
183097d85d23b013347bead4e2f5fa430a79ce69431eWinson Chung
183197d85d23b013347bead4e2f5fa430a79ce69431eWinson Chung    @Override
1832c2e24c0a37ddeab930f731c062705d435e477f75Romain Guy    public void addFocusables(ArrayList<View> views, int direction, int focusableMode) {
1833b745afbdd75157c73d581b345118cdaff99e912dWinson Chung        if (!mLauncher.isAppsViewVisible()) {
183431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            final Folder openFolder = getOpenFolder();
18350142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            if (openFolder != null) {
183631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                openFolder.addFocusables(views, direction);
18370142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            } else {
18380142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka                super.addFocusables(views, direction, focusableMode);
183931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            }
184031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
184131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
184231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
18436c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen    public boolean workspaceInModalState() {
18446c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen        return mState != State.NORMAL;
1845d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka    }
1846d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka
18470142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    void enableChildrenCache(int fromPage, int toPage) {
18480142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        if (fromPage > toPage) {
18490142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            final int temp = fromPage;
18500142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            fromPage = toPage;
18510142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            toPage = temp;
18523a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron        }
1853aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
1854dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        final int screenCount = getChildCount();
1855fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell
18560142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        fromPage = Math.max(fromPage, 0);
18570142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        toPage = Math.min(toPage, screenCount - 1);
1858fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell
18590142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        for (int i = fromPage; i <= toPage; i++) {
186031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            final CellLayout layout = (CellLayout) getChildAt(i);
186131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            layout.setChildrenDrawnWithCacheEnabled(true);
186231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            layout.setChildrenDrawingCacheEnabled(true);
186331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
186431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
186531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
186631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    void clearChildrenCache() {
1867dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        final int screenCount = getChildCount();
1868dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        for (int i = 0; i < screenCount; i++) {
186931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            final CellLayout layout = (CellLayout) getChildAt(i);
187031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            layout.setChildrenDrawnWithCacheEnabled(false);
18718182e5bc3c2d1a0140df345599b89369d457bb4aAdam Cohen            // In software mode, we don't want the items to continue to be drawn into bitmaps
18728182e5bc3c2d1a0140df345599b89369d457bb4aAdam Cohen            if (!isHardwareAccelerated()) {
18738182e5bc3c2d1a0140df345599b89369d457bb4aAdam Cohen                layout.setChildrenDrawingCacheEnabled(false);
18748182e5bc3c2d1a0140df345599b89369d457bb4aAdam Cohen            }
187531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
187631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
187731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
1878091440a9cb9d4f42406631004aa484cbb79214caAdam Cohen    @Thunk void updateChildrenLayersEnabled(boolean force) {
18796c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen        boolean small = mState == State.OVERVIEW || mIsSwitchingState;
18803a0469d1e40459529e2d4d57ebc493f930f7c01aMichael Jurka        boolean enableChildrenLayers = force || small || mAnimatingViewIntoPlace || isPageMoving();
1881d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka
1882d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka        if (enableChildrenLayers != mChildrenLayersEnabled) {
1883d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka            mChildrenLayersEnabled = enableChildrenLayers;
1884d51f33a6316c34fc69b8040946ed9a62519bb225Michael Jurka            if (mChildrenLayersEnabled) {
1885d51f33a6316c34fc69b8040946ed9a62519bb225Michael Jurka                enableHwLayersOnVisiblePages();
1886d51f33a6316c34fc69b8040946ed9a62519bb225Michael Jurka            } else {
1887d51f33a6316c34fc69b8040946ed9a62519bb225Michael Jurka                for (int i = 0; i < getPageCount(); i++) {
1888d51f33a6316c34fc69b8040946ed9a62519bb225Michael Jurka                    final CellLayout cl = (CellLayout) getChildAt(i);
188901f2d7fa4b24b21543012060305d693899b4beaaChris Craik                    cl.enableHardwareLayer(false);
1890d51f33a6316c34fc69b8040946ed9a62519bb225Michael Jurka                }
1891d51f33a6316c34fc69b8040946ed9a62519bb225Michael Jurka            }
1892d51f33a6316c34fc69b8040946ed9a62519bb225Michael Jurka        }
1893d51f33a6316c34fc69b8040946ed9a62519bb225Michael Jurka    }
1894d51f33a6316c34fc69b8040946ed9a62519bb225Michael Jurka
1895d51f33a6316c34fc69b8040946ed9a62519bb225Michael Jurka    private void enableHwLayersOnVisiblePages() {
1896d51f33a6316c34fc69b8040946ed9a62519bb225Michael Jurka        if (mChildrenLayersEnabled) {
1897d51f33a6316c34fc69b8040946ed9a62519bb225Michael Jurka            final int screenCount = getChildCount();
1898d51f33a6316c34fc69b8040946ed9a62519bb225Michael Jurka            getVisiblePages(mTempVisiblePagesRange);
1899d51f33a6316c34fc69b8040946ed9a62519bb225Michael Jurka            int leftScreen = mTempVisiblePagesRange[0];
1900d51f33a6316c34fc69b8040946ed9a62519bb225Michael Jurka            int rightScreen = mTempVisiblePagesRange[1];
1901d51f33a6316c34fc69b8040946ed9a62519bb225Michael Jurka            if (leftScreen == rightScreen) {
1902d51f33a6316c34fc69b8040946ed9a62519bb225Michael Jurka                // make sure we're caching at least two pages always
1903d51f33a6316c34fc69b8040946ed9a62519bb225Michael Jurka                if (rightScreen < screenCount - 1) {
1904d51f33a6316c34fc69b8040946ed9a62519bb225Michael Jurka                    rightScreen++;
1905d51f33a6316c34fc69b8040946ed9a62519bb225Michael Jurka                } else if (leftScreen > 0) {
1906d51f33a6316c34fc69b8040946ed9a62519bb225Michael Jurka                    leftScreen--;
1907d51f33a6316c34fc69b8040946ed9a62519bb225Michael Jurka                }
1908d51f33a6316c34fc69b8040946ed9a62519bb225Michael Jurka            }
190901f2d7fa4b24b21543012060305d693899b4beaaChris Craik
191001f2d7fa4b24b21543012060305d693899b4beaaChris Craik            final CellLayout customScreen = mWorkspaceScreens.get(CUSTOM_CONTENT_SCREEN_ID);
1911d51f33a6316c34fc69b8040946ed9a62519bb225Michael Jurka            for (int i = 0; i < screenCount; i++) {
191247639b9c1db9a5d0d89ce6b4b36d6b3c0d489602Michael Jurka                final CellLayout layout = (CellLayout) getPageAt(i);
191301f2d7fa4b24b21543012060305d693899b4beaaChris Craik
191401f2d7fa4b24b21543012060305d693899b4beaaChris Craik                // enable layers between left and right screen inclusive, except for the
191501f2d7fa4b24b21543012060305d693899b4beaaChris Craik                // customScreen, which may animate its content during transitions.
191601f2d7fa4b24b21543012060305d693899b4beaaChris Craik                boolean enableLayer = layout != customScreen &&
191701f2d7fa4b24b21543012060305d693899b4beaaChris Craik                        leftScreen <= i && i <= rightScreen && shouldDrawChild(layout);
191801f2d7fa4b24b21543012060305d693899b4beaaChris Craik                layout.enableHardwareLayer(enableLayer);
19193a0469d1e40459529e2d4d57ebc493f930f7c01aMichael Jurka            }
19203a0469d1e40459529e2d4d57ebc493f930f7c01aMichael Jurka        }
19213a0469d1e40459529e2d4d57ebc493f930f7c01aMichael Jurka    }
19223a0469d1e40459529e2d4d57ebc493f930f7c01aMichael Jurka
19233a0469d1e40459529e2d4d57ebc493f930f7c01aMichael Jurka    public void buildPageHardwareLayers() {
19243a0469d1e40459529e2d4d57ebc493f930f7c01aMichael Jurka        // force layers to be enabled just for the call to buildLayer
19253a0469d1e40459529e2d4d57ebc493f930f7c01aMichael Jurka        updateChildrenLayersEnabled(true);
19263a0469d1e40459529e2d4d57ebc493f930f7c01aMichael Jurka        if (getWindowToken() != null) {
19273a0469d1e40459529e2d4d57ebc493f930f7c01aMichael Jurka            final int childCount = getChildCount();
19283a0469d1e40459529e2d4d57ebc493f930f7c01aMichael Jurka            for (int i = 0; i < childCount; i++) {
19293a0469d1e40459529e2d4d57ebc493f930f7c01aMichael Jurka                CellLayout cl = (CellLayout) getChildAt(i);
1930d51f33a6316c34fc69b8040946ed9a62519bb225Michael Jurka                cl.buildHardwareLayer();
1931d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka            }
1932ce7e05fbe8abd5f25ec47e0e05b5cc76ceb39d2eMichael Jurka        }
19333a0469d1e40459529e2d4d57ebc493f930f7c01aMichael Jurka        updateChildrenLayersEnabled(false);
1934ce7e05fbe8abd5f25ec47e0e05b5cc76ceb39d2eMichael Jurka    }
1935ce7e05fbe8abd5f25ec47e0e05b5cc76ceb39d2eMichael Jurka
1936ce5a7e5ee4c880081faef3a508f68725d0317ee9Sunny Goyal    @Override
1937ce5a7e5ee4c880081faef3a508f68725d0317ee9Sunny Goyal    protected void getVisiblePages(int[] range) {
1938ce5a7e5ee4c880081faef3a508f68725d0317ee9Sunny Goyal        super.getVisiblePages(range);
193929d853c2ddf6432685a54e3966820f1a81cee183Tony Wickham        if (mForceDrawAdjacentPages) {
1940ce5a7e5ee4c880081faef3a508f68725d0317ee9Sunny Goyal            // In overview mode, make sure that the two side pages are visible.
1941f549dab31d0fa3e4d0cf8d6025b20e49aafb2d59Tony Wickham            range[0] = Utilities.boundToRange(getCurrentPage() - 1, numCustomPages(), range[1]);
1942f549dab31d0fa3e4d0cf8d6025b20e49aafb2d59Tony Wickham            range[1] = Utilities.boundToRange(getCurrentPage() + 1, range[0], getPageCount() - 1);
1943ce5a7e5ee4c880081faef3a508f68725d0317ee9Sunny Goyal        }
1944ce5a7e5ee4c880081faef3a508f68725d0317ee9Sunny Goyal    }
1945ce5a7e5ee4c880081faef3a508f68725d0317ee9Sunny Goyal
19461d0867c8de6a889bccde9b7e768daef182a25e5cJeff Brown    protected void onWallpaperTap(MotionEvent ev) {
1947cf25b52763f3fa376aee7c4a63b5a064ca1c0e2aSunny Goyal        final int[] position = mTempXY;
19481d0867c8de6a889bccde9b7e768daef182a25e5cJeff Brown        getLocationOnScreen(position);
19491d0867c8de6a889bccde9b7e768daef182a25e5cJeff Brown
19501d0867c8de6a889bccde9b7e768daef182a25e5cJeff Brown        int pointerIndex = ev.getActionIndex();
19511d0867c8de6a889bccde9b7e768daef182a25e5cJeff Brown        position[0] += (int) ev.getX(pointerIndex);
19521d0867c8de6a889bccde9b7e768daef182a25e5cJeff Brown        position[1] += (int) ev.getY(pointerIndex);
19531d0867c8de6a889bccde9b7e768daef182a25e5cJeff Brown
19541d0867c8de6a889bccde9b7e768daef182a25e5cJeff Brown        mWallpaperManager.sendWallpaperCommand(getWindowToken(),
19551d0867c8de6a889bccde9b7e768daef182a25e5cJeff Brown                ev.getAction() == MotionEvent.ACTION_UP
19561d0867c8de6a889bccde9b7e768daef182a25e5cJeff Brown                        ? WallpaperManager.COMMAND_TAP : WallpaperManager.COMMAND_SECONDARY_TAP,
19571d0867c8de6a889bccde9b7e768daef182a25e5cJeff Brown                position[0], position[1], 0, null);
19581d0867c8de6a889bccde9b7e768daef182a25e5cJeff Brown    }
19591d0867c8de6a889bccde9b7e768daef182a25e5cJeff Brown
196061033d3d86fcae1f654f3fbfc9979d131e265d76Adam Cohen    /*
19616639687cd67bab1aeef2a75e5c6bc458b20dc082Adam Cohen    *
19626639687cd67bab1aeef2a75e5c6bc458b20dc082Adam Cohen    * We call these methods (onDragStartedWithItemSpans/onDragStartedWithSize) whenever we
19636639687cd67bab1aeef2a75e5c6bc458b20dc082Adam Cohen    * start a drag in Launcher, regardless of whether the drag has ever entered the Workspace
19646639687cd67bab1aeef2a75e5c6bc458b20dc082Adam Cohen    *
19656639687cd67bab1aeef2a75e5c6bc458b20dc082Adam Cohen    * These methods mark the appropriate pages as accepting drops (which alters their visual
19666639687cd67bab1aeef2a75e5c6bc458b20dc082Adam Cohen    * appearance).
19676639687cd67bab1aeef2a75e5c6bc458b20dc082Adam Cohen    *
19686639687cd67bab1aeef2a75e5c6bc458b20dc082Adam Cohen    */
1969508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal    private static Rect getDrawableBounds(Drawable d) {
1970859002985e0e5d73f54c942f2024607431db60fcMathew Inwood        Rect bounds = new Rect();
1971859002985e0e5d73f54c942f2024607431db60fcMathew Inwood        d.copyBounds(bounds);
1972859002985e0e5d73f54c942f2024607431db60fcMathew Inwood        if (bounds.width() == 0 || bounds.height() == 0) {
1973859002985e0e5d73f54c942f2024607431db60fcMathew Inwood            bounds.set(0, 0, d.getIntrinsicWidth(), d.getIntrinsicHeight());
197495abbb330ce9bbaf23594245f0f8a795c8118038Sunny Goyal        } else {
197595abbb330ce9bbaf23594245f0f8a795c8118038Sunny Goyal            bounds.offsetTo(0, 0);
197695abbb330ce9bbaf23594245f0f8a795c8118038Sunny Goyal        }
197795abbb330ce9bbaf23594245f0f8a795c8118038Sunny Goyal        if (d instanceof PreloadIconDrawable) {
197895abbb330ce9bbaf23594245f0f8a795c8118038Sunny Goyal            int inset = -((PreloadIconDrawable) d).getOutset();
197995abbb330ce9bbaf23594245f0f8a795c8118038Sunny Goyal            bounds.inset(inset, inset);
1980859002985e0e5d73f54c942f2024607431db60fcMathew Inwood        }
1981859002985e0e5d73f54c942f2024607431db60fcMathew Inwood        return bounds;
1982859002985e0e5d73f54c942f2024607431db60fcMathew Inwood    }
1983859002985e0e5d73f54c942f2024607431db60fcMathew Inwood
1984babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung    public void onExternalDragStartedWithItem(View v) {
1985babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        // Compose a drag bitmap with the view scaled to the icon size
19862e6da1539bc7286336b3c24d96ab76434939ce4dAdam Cohen        DeviceProfile grid = mLauncher.getDeviceProfile();
1987babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        int iconSize = grid.iconSizePx;
1988babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        int bmpWidth = v.getMeasuredWidth();
1989babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        int bmpHeight = v.getMeasuredHeight();
1990babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung
1991babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        // If this is a text view, use its drawable instead
1992babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        if (v instanceof TextView) {
1993b745afbdd75157c73d581b345118cdaff99e912dWinson Chung            Drawable d = getTextViewIcon((TextView) v);
1994859002985e0e5d73f54c942f2024607431db60fcMathew Inwood            Rect bounds = getDrawableBounds(d);
1995859002985e0e5d73f54c942f2024607431db60fcMathew Inwood            bmpWidth = bounds.width();
1996859002985e0e5d73f54c942f2024607431db60fcMathew Inwood            bmpHeight = bounds.height();
1997babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        }
1998babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung
1999babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        // Compose the bitmap to create the icon from
2000babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        Bitmap b = Bitmap.createBitmap(bmpWidth, bmpHeight,
2001babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung                Bitmap.Config.ARGB_8888);
2002508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal        mCanvas.setBitmap(b);
2003508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal        drawDragView(v, mCanvas, 0);
2004508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal        mCanvas.setBitmap(null);
2005babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung
2006babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        // The outline is used to visualize where the item will land if dropped
2007508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal        mDragOutline = createDragOutline(b, DRAG_BITMAP_PADDING, iconSize, iconSize, true);
2008babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung    }
2009babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung
20108c3339bde96d11fd1d7f818cd39e7438e309ffd1Michael Jurka    public void onDragStartedWithItem(PendingAddItemInfo info, Bitmap b, boolean clipAlpha) {
2011869306140d3bb8782040ed65d3ae0ba498c2de6cTony Wickham        // Find a page that has enough space to place this widget (after rearranging/resizing).
2012869306140d3bb8782040ed65d3ae0ba498c2de6cTony Wickham        // Start at the current page and search right (on LTR) until finding a page with enough
2013869306140d3bb8782040ed65d3ae0ba498c2de6cTony Wickham        // space. Since an empty screen is the furthest right, a page must be found.
20144cab3b550b3c296cd120bdf23f524f34b155dca5Tony Wickham        int currentPageInOverview = getPageNearestToCenterOfScreen();
20154cab3b550b3c296cd120bdf23f524f34b155dca5Tony Wickham        for (int pageIndex = currentPageInOverview; pageIndex < getPageCount(); pageIndex++) {
2016869306140d3bb8782040ed65d3ae0ba498c2de6cTony Wickham            CellLayout page = (CellLayout) getPageAt(pageIndex);
2017869306140d3bb8782040ed65d3ae0ba498c2de6cTony Wickham            if (page.hasReorderSolution(info)) {
2018869306140d3bb8782040ed65d3ae0ba498c2de6cTony Wickham                setCurrentPage(pageIndex);
2019869306140d3bb8782040ed65d3ae0ba498c2de6cTony Wickham                break;
2020869306140d3bb8782040ed65d3ae0ba498c2de6cTony Wickham            }
2021869306140d3bb8782040ed65d3ae0ba498c2de6cTony Wickham        }
2022869306140d3bb8782040ed65d3ae0ba498c2de6cTony Wickham
20235b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal        int[] size = estimateItemSize(info, false);
20246639687cd67bab1aeef2a75e5c6bc458b20dc082Adam Cohen
2025d3ef3065ab0941567c45e9aec98783138b623c68Michael Jurka        // The outline is used to visualize where the item will land if dropped
2026508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal        mDragOutline = createDragOutline(b, DRAG_BITMAP_PADDING, size[0], size[1], clipAlpha);
20273e7c7634531302271270c8cf418abc959d621cbcMichael Jurka    }
20283e7c7634531302271270c8cf418abc959d621cbcMichael Jurka
2029758a9239f045ff4eb85c421a2f67a720b5b3c621Patrick Dubroy    public void exitWidgetResizeMode() {
2030716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen        DragLayer dragLayer = mLauncher.getDragLayer();
20316788269814a678af976dfc7d6135993e172ce586Adam Cohen        dragLayer.clearAllResizeFrames();
2032758a9239f045ff4eb85c421a2f67a720b5b3c621Patrick Dubroy    }
2033758a9239f045ff4eb85c421a2f67a720b5b3c621Patrick Dubroy
2034f358a4bbd6ce5b6ddadfae19e6b9c6872530d627Adam Cohen    @Override
20356f127a614c6a3e64a5de963f3a11d68d3368cd84Adam Cohen    protected void getFreeScrollPageRange(int[] range) {
20366f127a614c6a3e64a5de963f3a11d68d3368cd84Adam Cohen        getOverviewModePages(range);
20376f127a614c6a3e64a5de963f3a11d68d3368cd84Adam Cohen    }
20386f127a614c6a3e64a5de963f3a11d68d3368cd84Adam Cohen
20396f127a614c6a3e64a5de963f3a11d68d3368cd84Adam Cohen    private void getOverviewModePages(int[] range) {
2040fe0ace3583bc57adbaaec730b1b1757032e90c41Michael Jurka        int start = numCustomPages();
20411003be9e626570ce3ca44baf9c60bad3c4438c8bAdam Cohen        int end = getChildCount() - 1;
20421003be9e626570ce3ca44baf9c60bad3c4438c8bAdam Cohen
20431003be9e626570ce3ca44baf9c60bad3c4438c8bAdam Cohen        range[0] = Math.max(0, Math.min(start, getChildCount() - 1));
2044f898b970cc9130d629d4bc969222aaa96a8a013aTony Wickham        range[1] = Math.max(0, end);
20456f127a614c6a3e64a5de963f3a11d68d3368cd84Adam Cohen    }
2046dedbd962dcfaf055a6835abf5b0000ce1564e51eAdam Cohen
20471d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal    public void onStartReordering() {
2048dedbd962dcfaf055a6835abf5b0000ce1564e51eAdam Cohen        super.onStartReordering();
204922cba7f9958569a5e4c1dfcce4969daeaa6c898cAdam Cohen        // Reordering handles its own animations, disable the automatic ones.
2050964df6b93e8171a0d3a6f212fed095065f1a65ddWinson Chung        disableLayoutTransitions();
2051dedbd962dcfaf055a6835abf5b0000ce1564e51eAdam Cohen    }
2052dedbd962dcfaf055a6835abf5b0000ce1564e51eAdam Cohen
20531d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal    public void onEndReordering() {
2054dedbd962dcfaf055a6835abf5b0000ce1564e51eAdam Cohen        super.onEndReordering();
2055dedbd962dcfaf055a6835abf5b0000ce1564e51eAdam Cohen
2056dcb173d0e348c23d967bb0939e63b6ce4e1bd503Adam Cohen        if (mLauncher.isWorkspaceLoading()) {
2057dcb173d0e348c23d967bb0939e63b6ce4e1bd503Adam Cohen            // Invalid and dangerous operation if workspace is loading
2058dcb173d0e348c23d967bb0939e63b6ce4e1bd503Adam Cohen            return;
2059dcb173d0e348c23d967bb0939e63b6ce4e1bd503Adam Cohen        }
2060dcb173d0e348c23d967bb0939e63b6ce4e1bd503Adam Cohen
2061dedbd962dcfaf055a6835abf5b0000ce1564e51eAdam Cohen        mScreenOrder.clear();
20622bf63d520576baa433a53a77e4e24386e40c1cdaAdam Cohen        int count = getChildCount();
2063dedbd962dcfaf055a6835abf5b0000ce1564e51eAdam Cohen        for (int i = 0; i < count; i++) {
2064dedbd962dcfaf055a6835abf5b0000ce1564e51eAdam Cohen            CellLayout cl = ((CellLayout) getChildAt(i));
2065dedbd962dcfaf055a6835abf5b0000ce1564e51eAdam Cohen            mScreenOrder.add(getIdForScreen(cl));
2066dedbd962dcfaf055a6835abf5b0000ce1564e51eAdam Cohen        }
2067d64d1763c590b1c954b759156683abf39ff22945Winson Chung
2068dedbd962dcfaf055a6835abf5b0000ce1564e51eAdam Cohen        mLauncher.getModel().updateWorkspaceScreenOrder(mLauncher, mScreenOrder);
206922cba7f9958569a5e4c1dfcce4969daeaa6c898cAdam Cohen
207022cba7f9958569a5e4c1dfcce4969daeaa6c898cAdam Cohen        // Re-enable auto layout transitions for page deletion.
2071964df6b93e8171a0d3a6f212fed095065f1a65ddWinson Chung        enableLayoutTransitions();
2072dedbd962dcfaf055a6835abf5b0000ce1564e51eAdam Cohen    }
2073dedbd962dcfaf055a6835abf5b0000ce1564e51eAdam Cohen
2074f358a4bbd6ce5b6ddadfae19e6b9c6872530d627Adam Cohen    public boolean isInOverviewMode() {
2075f358a4bbd6ce5b6ddadfae19e6b9c6872530d627Adam Cohen        return mState == State.OVERVIEW;
2076f358a4bbd6ce5b6ddadfae19e6b9c6872530d627Adam Cohen    }
2077f358a4bbd6ce5b6ddadfae19e6b9c6872530d627Adam Cohen
2078ce5a7e5ee4c880081faef3a508f68725d0317ee9Sunny Goyal    public void snapToPageFromOverView(int whichPage) {
2079ce5a7e5ee4c880081faef3a508f68725d0317ee9Sunny Goyal        mStateTransitionAnimation.snapToPageFromOverView(whichPage);
2080ce5a7e5ee4c880081faef3a508f68725d0317ee9Sunny Goyal    }
2081ce5a7e5ee4c880081faef3a508f68725d0317ee9Sunny Goyal
2082410f3cdfb4a8c2cf82749a3e73201fb7930540aeAdam Cohen    int getOverviewModeTranslationY() {
20832e6da1539bc7286336b3c24d96ab76434939ce4dAdam Cohen        DeviceProfile grid = mLauncher.getDeviceProfile();
20844f7eb4077e901a28b2b698060079292b56e991bdWinson Chung        int overviewButtonBarHeight = grid.getOverviewModeButtonBarHeight();
2085410f3cdfb4a8c2cf82749a3e73201fb7930540aeAdam Cohen
2086c82d2622bc7305fd3545fe7df97a30187283113fWinson Chung        int scaledHeight = (int) (mOverviewModeShrinkFactor * getNormalChildHeight());
20876178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal        Rect workspacePadding = grid.getWorkspacePadding(sTempRect);
20884f7eb4077e901a28b2b698060079292b56e991bdWinson Chung        int workspaceTop = mInsets.top + workspacePadding.top;
20894f7eb4077e901a28b2b698060079292b56e991bdWinson Chung        int workspaceBottom = getViewportHeight() - mInsets.bottom - workspacePadding.bottom;
20904f7eb4077e901a28b2b698060079292b56e991bdWinson Chung        int overviewTop = mInsets.top;
20914f7eb4077e901a28b2b698060079292b56e991bdWinson Chung        int overviewBottom = getViewportHeight() - mInsets.bottom - overviewButtonBarHeight;
20924f7eb4077e901a28b2b698060079292b56e991bdWinson Chung        int workspaceOffsetTopEdge = workspaceTop + ((workspaceBottom - workspaceTop) - scaledHeight) / 2;
20934f7eb4077e901a28b2b698060079292b56e991bdWinson Chung        int overviewOffsetTopEdge = overviewTop + (overviewBottom - overviewTop - scaledHeight) / 2;
20944f7eb4077e901a28b2b698060079292b56e991bdWinson Chung        return -workspaceOffsetTopEdge + overviewOffsetTopEdge;
2095410f3cdfb4a8c2cf82749a3e73201fb7930540aeAdam Cohen    }
2096410f3cdfb4a8c2cf82749a3e73201fb7930540aeAdam Cohen
209747328fd53f43fd0c2ed14ad925dd04483f9229a0Sunny Goyal    float getSpringLoadedTranslationY() {
2098e0c332365604976d999eb25d4bdcc49ec75b7a1cTony Wickham        DeviceProfile grid = mLauncher.getDeviceProfile();
209947328fd53f43fd0c2ed14ad925dd04483f9229a0Sunny Goyal        if (grid.isVerticalBarLayout() || getChildCount() == 0) {
210047328fd53f43fd0c2ed14ad925dd04483f9229a0Sunny Goyal            return 0;
210147328fd53f43fd0c2ed14ad925dd04483f9229a0Sunny Goyal        }
210247328fd53f43fd0c2ed14ad925dd04483f9229a0Sunny Goyal
210347328fd53f43fd0c2ed14ad925dd04483f9229a0Sunny Goyal        float scaledHeight = grid.workspaceSpringLoadShrinkFactor * getNormalChildHeight();
210447328fd53f43fd0c2ed14ad925dd04483f9229a0Sunny Goyal        float shrunkTop = mInsets.top + grid.dropTargetBarSizePx;
210547328fd53f43fd0c2ed14ad925dd04483f9229a0Sunny Goyal        float shrunkBottom = getViewportHeight() - mInsets.bottom
21066178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal                - grid.getWorkspacePadding(sTempRect).bottom
21076178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal                - grid.workspaceSpringLoadedBottomSpace;
210847328fd53f43fd0c2ed14ad925dd04483f9229a0Sunny Goyal        float totalShrunkSpace = shrunkBottom - shrunkTop;
210947328fd53f43fd0c2ed14ad925dd04483f9229a0Sunny Goyal
211047328fd53f43fd0c2ed14ad925dd04483f9229a0Sunny Goyal        float desiredCellTop = shrunkTop + (totalShrunkSpace - scaledHeight) / 2;
211147328fd53f43fd0c2ed14ad925dd04483f9229a0Sunny Goyal
211247328fd53f43fd0c2ed14ad925dd04483f9229a0Sunny Goyal        float halfHeight = getHeight() / 2;
211347328fd53f43fd0c2ed14ad925dd04483f9229a0Sunny Goyal        float myCenter = getTop() + halfHeight;
211447328fd53f43fd0c2ed14ad925dd04483f9229a0Sunny Goyal        float cellTopFromCenter = halfHeight - getChildAt(0).getTop();
211547328fd53f43fd0c2ed14ad925dd04483f9229a0Sunny Goyal        float actualCellTop = myCenter - cellTopFromCenter * grid.workspaceSpringLoadShrinkFactor;
211647328fd53f43fd0c2ed14ad925dd04483f9229a0Sunny Goyal        return (desiredCellTop - actualCellTop) / grid.workspaceSpringLoadShrinkFactor;
211734d2c915c4762a073b60bb676a9e905392e9679cTony Wickham    }
211834d2c915c4762a073b60bb676a9e905392e9679cTony Wickham
2119dadb304b4682998c43b9c07bef45b9a9380f3287Tony Wickham    float getOverviewModeShrinkFactor() {
2120dadb304b4682998c43b9c07bef45b9a9380f3287Tony Wickham        return mOverviewModeShrinkFactor;
2121dadb304b4682998c43b9c07bef45b9a9380f3287Tony Wickham    }
2122dadb304b4682998c43b9c07bef45b9a9380f3287Tony Wickham
2123dc61c4d41468a8beced2863de1b863b340cf49baWinson Chung    /**
2124dc61c4d41468a8beced2863de1b863b340cf49baWinson Chung     * Sets the current workspace {@link State}, returning an animation transitioning the workspace
2125dc61c4d41468a8beced2863de1b863b340cf49baWinson Chung     * to that new state.
2126dc61c4d41468a8beced2863de1b863b340cf49baWinson Chung     */
2127ce5a7e5ee4c880081faef3a508f68725d0317ee9Sunny Goyal    public Animator setStateWithAnimation(State toState, boolean animated,
2128006ee269ba2e9946a83b42f96d4a0296254cba4aWinson Chung            HashMap<View, Integer> layerViews) {
2129dc61c4d41468a8beced2863de1b863b340cf49baWinson Chung        // Create the animation to the new state
21309443ef5ec69ee673b89c6387f065cf1d45eb2d5bSunny Goyal        AnimatorSet workspaceAnim =  mStateTransitionAnimation.getAnimationToState(mState,
21312a87fe8c41338e746c6959d992edfeb9cb00bcc1Winson                toState, animated, layerViews);
2132dc61c4d41468a8beced2863de1b863b340cf49baWinson Chung
21332e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal        boolean shouldNotifyWidgetChange = !mState.shouldUpdateWidget
21342e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal                && toState.shouldUpdateWidget;
2135dc61c4d41468a8beced2863de1b863b340cf49baWinson Chung        // Update the current state
2136dc61c4d41468a8beced2863de1b863b340cf49baWinson Chung        mState = toState;
213753805218809cc1f93a0f1307b442df7c65a3068cAdam Cohen        updateAccessibilityFlags();
2138dc61c4d41468a8beced2863de1b863b340cf49baWinson Chung
21392e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal        if (shouldNotifyWidgetChange) {
21402e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal            mLauncher.notifyWidgetProvidersChanged();
21412e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal        }
21422e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal
21439443ef5ec69ee673b89c6387f065cf1d45eb2d5bSunny Goyal        if (mOnStateChangeListener != null) {
21449443ef5ec69ee673b89c6387f065cf1d45eb2d5bSunny Goyal            mOnStateChangeListener.prepareStateChange(toState, animated ? workspaceAnim : null);
21459443ef5ec69ee673b89c6387f065cf1d45eb2d5bSunny Goyal        }
21469443ef5ec69ee673b89c6387f065cf1d45eb2d5bSunny Goyal
2147dc61c4d41468a8beced2863de1b863b340cf49baWinson Chung        return workspaceAnim;
214853805218809cc1f93a0f1307b442df7c65a3068cAdam Cohen    }
214953805218809cc1f93a0f1307b442df7c65a3068cAdam Cohen
2150e25c5d1c94949044c4cd7416f60ea0dc12dadc8dAdam Cohen    State getState() {
2151e25c5d1c94949044c4cd7416f60ea0dc12dadc8dAdam Cohen        return mState;
2152e25c5d1c94949044c4cd7416f60ea0dc12dadc8dAdam Cohen    }
2153e25c5d1c94949044c4cd7416f60ea0dc12dadc8dAdam Cohen
21541d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal    public void updateAccessibilityFlags() {
2155d8d19938e41a5aa5d14da390f3beae154692bc46Sunny Goyal        // TODO: Update the accessibility flags appropriately when dragging.
2156d8d19938e41a5aa5d14da390f3beae154692bc46Sunny Goyal        if (!mLauncher.getAccessibilityDelegate().isInAccessibleDrag()) {
2157d8d19938e41a5aa5d14da390f3beae154692bc46Sunny Goyal            if (Utilities.ATLEAST_LOLLIPOP) {
2158d8d19938e41a5aa5d14da390f3beae154692bc46Sunny Goyal                int total = getPageCount();
2159d8d19938e41a5aa5d14da390f3beae154692bc46Sunny Goyal                for (int i = numCustomPages(); i < total; i++) {
2160d8d19938e41a5aa5d14da390f3beae154692bc46Sunny Goyal                    updateAccessibilityFlags((CellLayout) getPageAt(i), i);
2161d8d19938e41a5aa5d14da390f3beae154692bc46Sunny Goyal                }
2162d8d19938e41a5aa5d14da390f3beae154692bc46Sunny Goyal                setImportantForAccessibility((mState == State.NORMAL || mState == State.OVERVIEW)
2163d8d19938e41a5aa5d14da390f3beae154692bc46Sunny Goyal                        ? IMPORTANT_FOR_ACCESSIBILITY_AUTO
2164d8d19938e41a5aa5d14da390f3beae154692bc46Sunny Goyal                        : IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS);
2165d8d19938e41a5aa5d14da390f3beae154692bc46Sunny Goyal            } else {
2166d8d19938e41a5aa5d14da390f3beae154692bc46Sunny Goyal                int accessible = mState == State.NORMAL ?
2167d8d19938e41a5aa5d14da390f3beae154692bc46Sunny Goyal                        IMPORTANT_FOR_ACCESSIBILITY_AUTO :
21681d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal                        IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS;
2169d8d19938e41a5aa5d14da390f3beae154692bc46Sunny Goyal                setImportantForAccessibility(accessible);
2170d8d19938e41a5aa5d14da390f3beae154692bc46Sunny Goyal            }
21711d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal        }
21721d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal    }
21731d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal
21741d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal    private void updateAccessibilityFlags(CellLayout page, int pageNo) {
21751d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal        if (mState == State.OVERVIEW) {
21761d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal            page.setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_YES);
21771d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal            page.getShortcutsAndWidgets().setImportantForAccessibility(
21781d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal                    IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS);
21791d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal            page.setContentDescription(getPageDescription(pageNo));
21801d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal
2181d0a6ae7f645e6ba564aebb50316c53fa2e119459Sunny Goyal            // No custom action for the first page.
2182d0a6ae7f645e6ba564aebb50316c53fa2e119459Sunny Goyal            if (!FeatureFlags.QSB_ON_FIRST_SCREEN || pageNo > 0) {
2183d0a6ae7f645e6ba564aebb50316c53fa2e119459Sunny Goyal                if (mPagesAccessibilityDelegate == null) {
2184d0a6ae7f645e6ba564aebb50316c53fa2e119459Sunny Goyal                    mPagesAccessibilityDelegate = new OverviewScreenAccessibilityDelegate(this);
2185d0a6ae7f645e6ba564aebb50316c53fa2e119459Sunny Goyal                }
2186d0a6ae7f645e6ba564aebb50316c53fa2e119459Sunny Goyal                page.setAccessibilityDelegate(mPagesAccessibilityDelegate);
21871d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal            }
21881d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal        } else {
21891d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal            int accessible = mState == State.NORMAL ?
21907af0d4474fe811b66db67f358ee0b5ef84b97a18Vadim Tryshev                    IMPORTANT_FOR_ACCESSIBILITY_AUTO :
21911d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal                        IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS;
21921d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal            page.setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_NO);
21931d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal            page.getShortcutsAndWidgets().setImportantForAccessibility(accessible);
21941d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal            page.setContentDescription(null);
21951d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal            page.setAccessibilityDelegate(null);
21961d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal        }
2197edaaa3023251eb2bd71e3da180df39334f77d4a8Adam Cohen    }
2198edaaa3023251eb2bd71e3da180df39334f77d4a8Adam Cohen
2199bed61d22bdbfcdbe04f92675c7751b83c7a8947cMichael Jurka    @Override
2200f898b970cc9130d629d4bc969222aaa96a8a013aTony Wickham    public void onLauncherTransitionPrepare(Launcher l, boolean animated,
2201f898b970cc9130d629d4bc969222aaa96a8a013aTony Wickham            boolean multiplePagesVisible) {
2202dc61c4d41468a8beced2863de1b863b340cf49baWinson Chung        mIsSwitchingState = true;
2203a0628cc521614835933db74ba5a2536a936629c5Tony Wickham        mTransitionProgress = 0;
2204dc61c4d41468a8beced2863de1b863b340cf49baWinson Chung
2205f898b970cc9130d629d4bc969222aaa96a8a013aTony Wickham        if (multiplePagesVisible) {
2206f898b970cc9130d629d4bc969222aaa96a8a013aTony Wickham            mForceDrawAdjacentPages = true;
2207f898b970cc9130d629d4bc969222aaa96a8a013aTony Wickham        }
2208f898b970cc9130d629d4bc969222aaa96a8a013aTony Wickham        invalidate(); // This will call dispatchDraw(), which calls getVisiblePages().
2209dc61c4d41468a8beced2863de1b863b340cf49baWinson Chung
2210dc61c4d41468a8beced2863de1b863b340cf49baWinson Chung        updateChildrenLayersEnabled(false);
2211dc61c4d41468a8beced2863de1b863b340cf49baWinson Chung        hideCustomContentIfNecessary();
2212bed61d22bdbfcdbe04f92675c7751b83c7a8947cMichael Jurka    }
2213bed61d22bdbfcdbe04f92675c7751b83c7a8947cMichael Jurka
2214bed61d22bdbfcdbe04f92675c7751b83c7a8947cMichael Jurka    @Override
2215a35e35ae0ac2391b8928eb15bf91274aea96b115Michael Jurka    public void onLauncherTransitionStart(Launcher l, boolean animated, boolean toWorkspace) {
2216d0a6ae7f645e6ba564aebb50316c53fa2e119459Sunny Goyal        if (mPageIndicator != null) {
2217034bc3c01c29ff2a2a13cb36e12ce2a5cabf9a83Tony Wickham            boolean isNewStateSpringLoaded = mState == State.SPRING_LOADED;
22187d2fc8120e549eaa9542b0985aab67d172cbd682Hyunyoung Song            mPageIndicator.setShouldAutoHide(!isNewStateSpringLoaded);
2219034bc3c01c29ff2a2a13cb36e12ce2a5cabf9a83Tony Wickham            if (isNewStateSpringLoaded) {
2220034bc3c01c29ff2a2a13cb36e12ce2a5cabf9a83Tony Wickham                // Show the page indicator at the same time as the rest of the transition.
2221034bc3c01c29ff2a2a13cb36e12ce2a5cabf9a83Tony Wickham                showPageIndicatorAtCurrentScroll();
2222034bc3c01c29ff2a2a13cb36e12ce2a5cabf9a83Tony Wickham            }
2223d4b28d2e1bb73fcdb1e46bb06e1666e27af2e643Tony Wickham        }
2224a35e35ae0ac2391b8928eb15bf91274aea96b115Michael Jurka    }
2225a35e35ae0ac2391b8928eb15bf91274aea96b115Michael Jurka
2226a35e35ae0ac2391b8928eb15bf91274aea96b115Michael Jurka    @Override
22277044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung    public void onLauncherTransitionStep(Launcher l, float t) {
22287044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung        mTransitionProgress = t;
22297044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung    }
22307044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung
22317044272f180d34ab29866f6c59ee75376e8a1df5Winson Chung    @Override
2232bed61d22bdbfcdbe04f92675c7751b83c7a8947cMichael Jurka    public void onLauncherTransitionEnd(Launcher l, boolean animated, boolean toWorkspace) {
2233dc61c4d41468a8beced2863de1b863b340cf49baWinson Chung        mIsSwitchingState = false;
2234f343499f9b2c01978027e810255274b714ac457dAdam Cohen        updateChildrenLayersEnabled(false);
2235dc61c4d41468a8beced2863de1b863b340cf49baWinson Chung        showCustomContentIfNecessary();
223629d853c2ddf6432685a54e3966820f1a81cee183Tony Wickham        mForceDrawAdjacentPages = false;
2237d4b28d2e1bb73fcdb1e46bb06e1666e27af2e643Tony Wickham        if (mState == State.SPRING_LOADED) {
2238f549dab31d0fa3e4d0cf8d6025b20e49aafb2d59Tony Wickham            showPageIndicatorAtCurrentScroll();
2239f549dab31d0fa3e4d0cf8d6025b20e49aafb2d59Tony Wickham        }
22403f452c87db9c3639285eafd17fff6a6f9d28da44Adam Cohen    }
22413f452c87db9c3639285eafd17fff6a6f9d28da44Adam Cohen
22423f452c87db9c3639285eafd17fff6a6f9d28da44Adam Cohen    void updateCustomContentVisibility() {
22433f452c87db9c3639285eafd17fff6a6f9d28da44Adam Cohen        int visibility = mState == Workspace.State.NORMAL ? VISIBLE : INVISIBLE;
2244dadb304b4682998c43b9c07bef45b9a9380f3287Tony Wickham        setCustomContentVisibility(visibility);
2245dadb304b4682998c43b9c07bef45b9a9380f3287Tony Wickham    }
2246dadb304b4682998c43b9c07bef45b9a9380f3287Tony Wickham
2247dadb304b4682998c43b9c07bef45b9a9380f3287Tony Wickham    void setCustomContentVisibility(int visibility) {
22483f452c87db9c3639285eafd17fff6a6f9d28da44Adam Cohen        if (hasCustomContent()) {
22493f452c87db9c3639285eafd17fff6a6f9d28da44Adam Cohen            mWorkspaceScreens.get(CUSTOM_CONTENT_SCREEN_ID).setVisibility(visibility);
22503f452c87db9c3639285eafd17fff6a6f9d28da44Adam Cohen        }
22513f452c87db9c3639285eafd17fff6a6f9d28da44Adam Cohen    }
22523f452c87db9c3639285eafd17fff6a6f9d28da44Adam Cohen
22533f452c87db9c3639285eafd17fff6a6f9d28da44Adam Cohen    void showCustomContentIfNecessary() {
22543f452c87db9c3639285eafd17fff6a6f9d28da44Adam Cohen        boolean show  = mState == Workspace.State.NORMAL;
22553f452c87db9c3639285eafd17fff6a6f9d28da44Adam Cohen        if (show && hasCustomContent()) {
22563f452c87db9c3639285eafd17fff6a6f9d28da44Adam Cohen            mWorkspaceScreens.get(CUSTOM_CONTENT_SCREEN_ID).setVisibility(VISIBLE);
22573f452c87db9c3639285eafd17fff6a6f9d28da44Adam Cohen        }
22583f452c87db9c3639285eafd17fff6a6f9d28da44Adam Cohen    }
22593f452c87db9c3639285eafd17fff6a6f9d28da44Adam Cohen
22603f452c87db9c3639285eafd17fff6a6f9d28da44Adam Cohen    void hideCustomContentIfNecessary() {
22613f452c87db9c3639285eafd17fff6a6f9d28da44Adam Cohen        boolean hide  = mState != Workspace.State.NORMAL;
22623f452c87db9c3639285eafd17fff6a6f9d28da44Adam Cohen        if (hide && hasCustomContent()) {
22631774a8a0c67ae225b31dfb37213d6cadc630e48cAdam Cohen            disableLayoutTransitions();
22643f452c87db9c3639285eafd17fff6a6f9d28da44Adam Cohen            mWorkspaceScreens.get(CUSTOM_CONTENT_SCREEN_ID).setVisibility(INVISIBLE);
22651774a8a0c67ae225b31dfb37213d6cadc630e48cAdam Cohen            enableLayoutTransitions();
2266f343499f9b2c01978027e810255274b714ac457dAdam Cohen        }
2267f343499f9b2c01978027e810255274b714ac457dAdam Cohen    }
2268f343499f9b2c01978027e810255274b714ac457dAdam Cohen
22694be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato    /**
2270b745afbdd75157c73d581b345118cdaff99e912dWinson Chung     * Returns the drawable for the given text view.
2271b745afbdd75157c73d581b345118cdaff99e912dWinson Chung     */
2272b745afbdd75157c73d581b345118cdaff99e912dWinson Chung    public static Drawable getTextViewIcon(TextView tv) {
2273b745afbdd75157c73d581b345118cdaff99e912dWinson Chung        final Drawable[] drawables = tv.getCompoundDrawables();
2274b745afbdd75157c73d581b345118cdaff99e912dWinson Chung        for (int i = 0; i < drawables.length; i++) {
2275b745afbdd75157c73d581b345118cdaff99e912dWinson Chung            if (drawables[i] != null) {
2276b745afbdd75157c73d581b345118cdaff99e912dWinson Chung                return drawables[i];
2277b745afbdd75157c73d581b345118cdaff99e912dWinson Chung            }
2278b745afbdd75157c73d581b345118cdaff99e912dWinson Chung        }
2279b745afbdd75157c73d581b345118cdaff99e912dWinson Chung        return null;
2280b745afbdd75157c73d581b345118cdaff99e912dWinson Chung    }
2281b745afbdd75157c73d581b345118cdaff99e912dWinson Chung
2282b745afbdd75157c73d581b345118cdaff99e912dWinson Chung    /**
22834be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato     * Draw the View v into the given Canvas.
22844be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato     *
22854be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato     * @param v the view to draw
22864be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato     * @param destCanvas the canvas to draw on
22874be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato     * @param padding the horizontal and vertical padding to use when drawing
22884be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato     */
2289508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal    private static void drawDragView(View v, Canvas destCanvas, int padding) {
2290ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen        destCanvas.save();
229195abbb330ce9bbaf23594245f0f8a795c8118038Sunny Goyal        if (v instanceof TextView) {
2292b745afbdd75157c73d581b345118cdaff99e912dWinson Chung            Drawable d = getTextViewIcon((TextView) v);
2293859002985e0e5d73f54c942f2024607431db60fcMathew Inwood            Rect bounds = getDrawableBounds(d);
229495abbb330ce9bbaf23594245f0f8a795c8118038Sunny Goyal            destCanvas.translate(padding / 2 - bounds.left, padding / 2 - bounds.top);
2295ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen            d.draw(destCanvas);
2296ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen        } else {
2297106bf64f4a5b4b7772c971f62b6207b5a73529a2Sunny Goyal            final Rect clipRect = sTempRect;
2298106bf64f4a5b4b7772c971f62b6207b5a73529a2Sunny Goyal            v.getDrawingRect(clipRect);
2299106bf64f4a5b4b7772c971f62b6207b5a73529a2Sunny Goyal
2300106bf64f4a5b4b7772c971f62b6207b5a73529a2Sunny Goyal            boolean textVisible = false;
2301ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen            if (v instanceof FolderIcon) {
2302099f60d51f6310e1290687e83958e665b3324504Adam Cohen                // For FolderIcons the text can bleed into the icon area, and so we need to
2303099f60d51f6310e1290687e83958e665b3324504Adam Cohen                // hide the text completely (which can't be achieved by clipping).
2304099f60d51f6310e1290687e83958e665b3324504Adam Cohen                if (((FolderIcon) v).getTextVisible()) {
2305099f60d51f6310e1290687e83958e665b3324504Adam Cohen                    ((FolderIcon) v).setTextVisible(false);
2306099f60d51f6310e1290687e83958e665b3324504Adam Cohen                    textVisible = true;
2307099f60d51f6310e1290687e83958e665b3324504Adam Cohen                }
2308ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen            }
2309ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen            destCanvas.translate(-v.getScrollX() + padding / 2, -v.getScrollY() + padding / 2);
2310ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen            destCanvas.clipRect(clipRect, Op.REPLACE);
2311ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen            v.draw(destCanvas);
2312099f60d51f6310e1290687e83958e665b3324504Adam Cohen
2313099f60d51f6310e1290687e83958e665b3324504Adam Cohen            // Restore text visibility of FolderIcon if necessary
2314099f60d51f6310e1290687e83958e665b3324504Adam Cohen            if (textVisible) {
2315099f60d51f6310e1290687e83958e665b3324504Adam Cohen                ((FolderIcon) v).setTextVisible(true);
2316099f60d51f6310e1290687e83958e665b3324504Adam Cohen            }
23174be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato        }
2318ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen        destCanvas.restore();
2319ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen    }
23204be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato
2321ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen    /**
2322ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen     * Returns a new bitmap to show when the given View is being dragged around.
2323ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen     * Responsibility for the bitmap is transferred to the caller.
232495abbb330ce9bbaf23594245f0f8a795c8118038Sunny Goyal     * @param expectedPadding padding to add to the drag view. If a different padding was used
232595abbb330ce9bbaf23594245f0f8a795c8118038Sunny Goyal     * its value will be changed
2326ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen     */
2327508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal    public Bitmap createDragBitmap(View v, AtomicInteger expectedPadding) {
2328ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen        Bitmap b;
23294be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato
233095abbb330ce9bbaf23594245f0f8a795c8118038Sunny Goyal        int padding = expectedPadding.get();
2331ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen        if (v instanceof TextView) {
2332b745afbdd75157c73d581b345118cdaff99e912dWinson Chung            Drawable d = getTextViewIcon((TextView) v);
2333859002985e0e5d73f54c942f2024607431db60fcMathew Inwood            Rect bounds = getDrawableBounds(d);
2334859002985e0e5d73f54c942f2024607431db60fcMathew Inwood            b = Bitmap.createBitmap(bounds.width() + padding,
2335859002985e0e5d73f54c942f2024607431db60fcMathew Inwood                    bounds.height() + padding, Bitmap.Config.ARGB_8888);
233695abbb330ce9bbaf23594245f0f8a795c8118038Sunny Goyal            expectedPadding.set(padding - bounds.left - bounds.top);
2337ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen        } else {
2338ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen            b = Bitmap.createBitmap(
2339ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen                    v.getWidth() + padding, v.getHeight() + padding, Bitmap.Config.ARGB_8888);
2340ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen        }
2341ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen
2342508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal        mCanvas.setBitmap(b);
2343508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal        drawDragView(v, mCanvas, padding);
2344508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal        mCanvas.setBitmap(null);
2345ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen
2346ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen        return b;
23474be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato    }
23484be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato
23494be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato    /**
23504be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato     * Returns a new bitmap to be used as the object outline, e.g. to visualize the drop location.
23514be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato     * Responsibility for the bitmap is transferred to the caller.
23524be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato     */
2353508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal    private Bitmap createDragOutline(View v, int padding) {
2354410f3cdfb4a8c2cf82749a3e73201fb7930540aeAdam Cohen        final int outlineColor = getResources().getColor(R.color.outline_color);
23554be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato        final Bitmap b = Bitmap.createBitmap(
23564be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato                v.getWidth() + padding, v.getHeight() + padding, Bitmap.Config.ARGB_8888);
23574be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato
2358508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal        mCanvas.setBitmap(b);
2359508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal        drawDragView(v, mCanvas, padding);
2360508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal        mOutlineHelper.applyExpensiveOutlineWithBlur(b, mCanvas, outlineColor, outlineColor);
2361508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal        mCanvas.setBitmap(null);
23624be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato        return b;
23634be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato    }
23644be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato
23654be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato    /**
2366d3ef3065ab0941567c45e9aec98783138b623c68Michael Jurka     * Returns a new bitmap to be used as the object outline, e.g. to visualize the drop location.
2367d3ef3065ab0941567c45e9aec98783138b623c68Michael Jurka     * Responsibility for the bitmap is transferred to the caller.
2368d3ef3065ab0941567c45e9aec98783138b623c68Michael Jurka     */
2369508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal    private Bitmap createDragOutline(Bitmap orig, int padding, int w, int h,
23708c3339bde96d11fd1d7f818cd39e7438e309ffd1Michael Jurka            boolean clipAlpha) {
2371410f3cdfb4a8c2cf82749a3e73201fb7930540aeAdam Cohen        final int outlineColor = getResources().getColor(R.color.outline_color);
2372f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka        final Bitmap b = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
2373508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal        mCanvas.setBitmap(b);
2374f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka
2375f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka        Rect src = new Rect(0, 0, orig.getWidth(), orig.getHeight());
2376f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka        float scaleFactor = Math.min((w - padding) / (float) orig.getWidth(),
2377f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka                (h - padding) / (float) orig.getHeight());
2378f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka        int scaledWidth = (int) (scaleFactor * orig.getWidth());
2379f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka        int scaledHeight = (int) (scaleFactor * orig.getHeight());
2380f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka        Rect dst = new Rect(0, 0, scaledWidth, scaledHeight);
2381f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka
2382f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka        // center the image
2383f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka        dst.offset((w - scaledWidth) / 2, (h - scaledHeight) / 2);
2384f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka
2385508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal        mCanvas.drawBitmap(orig, src, dst, null);
2386508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal        mOutlineHelper.applyExpensiveOutlineWithBlur(b, mCanvas, outlineColor, outlineColor,
23878c3339bde96d11fd1d7f818cd39e7438e309ffd1Michael Jurka                clipAlpha);
2388508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal        mCanvas.setBitmap(null);
2389d3ef3065ab0941567c45e9aec98783138b623c68Michael Jurka
2390d3ef3065ab0941567c45e9aec98783138b623c68Michael Jurka        return b;
2391d3ef3065ab0941567c45e9aec98783138b623c68Michael Jurka    }
2392d3ef3065ab0941567c45e9aec98783138b623c68Michael Jurka
2393c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen    public void startDrag(CellLayout.CellInfo cellInfo) {
2394c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen        startDrag(cellInfo, false);
2395c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen    }
2396c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen
2397e9b651eef1b9f3647eba94f833bff3fc52f5956bSunny Goyal    @Override
2398c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen    public void startDrag(CellLayout.CellInfo cellInfo, boolean accessible) {
239931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        View child = cellInfo.cell;
2400aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
240131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        // Make sure the drag was started by a long press as opposed to a long click.
24027984c9496bcaeca23ee7fdecc4d4f1bb2467e0f2Bjorn Bringert        if (!child.isInTouchMode()) {
240331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            return;
240431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
2405aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
240631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        mDragInfo = cellInfo;
2407d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen        child.setVisibility(INVISIBLE);
2408482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen        CellLayout layout = (CellLayout) child.getParent().getParent();
2409482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen        layout.prepareChildForDrag(child);
24104be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato
2411c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen        beginDragShared(child, this, accessible);
2412508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal    }
2413508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal
2414b745afbdd75157c73d581b345118cdaff99e912dWinson Chung    public void beginDragShared(View child, DragSource source, boolean accessible) {
2415b745afbdd75157c73d581b345118cdaff99e912dWinson Chung        beginDragShared(child, new Point(), source, accessible);
2416c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen    }
2417c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen
2418b745afbdd75157c73d581b345118cdaff99e912dWinson Chung    public void beginDragShared(View child, Point relativeTouchPos, DragSource source,
2419b745afbdd75157c73d581b345118cdaff99e912dWinson Chung            boolean accessible) {
24204be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato        child.clearFocus();
24214be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato        child.setPressed(false);
24224be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato
24234be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato        // The outline is used to visualize where the item will land if dropped
2424508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal        mDragOutline = createDragOutline(child, DRAG_BITMAP_PADDING);
2425ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen
242662d18edcc74ce96e2955048f5e0fc0ce3e4ec275Anjali Koppal        mLauncher.onDragStarted(child);
24274be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato        // The drag bitmap follows the touch point around on the screen
242895abbb330ce9bbaf23594245f0f8a795c8118038Sunny Goyal        AtomicInteger padding = new AtomicInteger(DRAG_BITMAP_PADDING);
2429508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal        final Bitmap b = createDragBitmap(child, padding);
24304be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato
24314be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato        final int bmpWidth = b.getWidth();
2432eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung        final int bmpHeight = b.getHeight();
2433e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen
2434307fe23f125cbbd5512ad8d4660025f2ab68f30bAdam Cohen        float scale = mLauncher.getDragLayer().getLocationInDragLayer(child, mTempXY);
2435babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        int dragLayerX = Math.round(mTempXY[0] - (bmpWidth - scale * child.getWidth()) / 2);
2436babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        int dragLayerY = Math.round(mTempXY[1] - (bmpHeight - scale * bmpHeight) / 2
243795abbb330ce9bbaf23594245f0f8a795c8118038Sunny Goyal                        - padding.get() / 2);
2438e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen
24392e6da1539bc7286336b3c24d96ab76434939ce4dAdam Cohen        DeviceProfile grid = mLauncher.getDeviceProfile();
2440b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung        Point dragVisualizeOffset = null;
2441e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen        Rect dragRect = null;
2442508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal        if (child instanceof BubbleTextView) {
2443b745afbdd75157c73d581b345118cdaff99e912dWinson Chung            BubbleTextView icon = (BubbleTextView) child;
24445f8afe6280eae34620067696173e71943e1a30a3Winson Chung            int iconSize = grid.iconSizePx;
2445e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen            int top = child.getPaddingTop();
2446e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen            int left = (bmpWidth - iconSize) / 2;
2447e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen            int right = left + iconSize;
2448e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen            int bottom = top + iconSize;
2449b745afbdd75157c73d581b345118cdaff99e912dWinson Chung            if (icon.isLayoutHorizontal()) {
2450b745afbdd75157c73d581b345118cdaff99e912dWinson Chung                // If the layout is horizontal, then if we are just picking up the icon, then just
2451b745afbdd75157c73d581b345118cdaff99e912dWinson Chung                // use the child position since the icon is top-left aligned.  Otherwise, offset
2452b745afbdd75157c73d581b345118cdaff99e912dWinson Chung                // the drag layer position horizontally so that the icon is under the current
2453b745afbdd75157c73d581b345118cdaff99e912dWinson Chung                // touch position.
2454b745afbdd75157c73d581b345118cdaff99e912dWinson Chung                if (icon.getIcon().getBounds().contains(relativeTouchPos.x, relativeTouchPos.y)) {
2455b745afbdd75157c73d581b345118cdaff99e912dWinson Chung                    dragLayerX = Math.round(mTempXY[0]);
2456b745afbdd75157c73d581b345118cdaff99e912dWinson Chung                } else {
2457b745afbdd75157c73d581b345118cdaff99e912dWinson Chung                    dragLayerX = Math.round(mTempXY[0] + relativeTouchPos.x - (bmpWidth / 2));
2458b745afbdd75157c73d581b345118cdaff99e912dWinson Chung                }
2459b745afbdd75157c73d581b345118cdaff99e912dWinson Chung            }
2460fc53cd22c9a78708c78c85946443f23ec8c59502Adam Cohen            dragLayerY += top;
2461b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung            // Note: The drag region is used to calculate drag layer offsets, but the
2462b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung            // dragVisualizeOffset in addition to the dragRect (the size) to position the outline.
246395abbb330ce9bbaf23594245f0f8a795c8118038Sunny Goyal            dragVisualizeOffset = new Point(-padding.get() / 2, padding.get() / 2);
2464e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen            dragRect = new Rect(left, top, right, bottom);
24650e4857c302da6adbd45231d7a8bae0289fa33250Adam Cohen        } else if (child instanceof FolderIcon) {
24665f8afe6280eae34620067696173e71943e1a30a3Winson Chung            int previewSize = grid.folderIconSizePx;
246792bce4316422c69ee26e6ece204fbf1499753086Sunny Goyal            dragVisualizeOffset = new Point(-padding.get() / 2,
246892bce4316422c69ee26e6ece204fbf1499753086Sunny Goyal                    padding.get() / 2 - child.getPaddingTop());
24695f8afe6280eae34620067696173e71943e1a30a3Winson Chung            dragRect = new Rect(0, child.getPaddingTop(), child.getWidth(), previewSize);
2470e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen        }
2471e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen
24721e9cbfef04366a206d59922c14fe4356b7cca426Winson Chung        // Clear the pressed state if necessary
24731e9cbfef04366a206d59922c14fe4356b7cca426Winson Chung        if (child instanceof BubbleTextView) {
24741e9cbfef04366a206d59922c14fe4356b7cca426Winson Chung            BubbleTextView icon = (BubbleTextView) child;
2475508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal            icon.clearPressedBackground();
24761e9cbfef04366a206d59922c14fe4356b7cca426Winson Chung        }
24771e9cbfef04366a206d59922c14fe4356b7cca426Winson Chung
2478aa8ef119f18864f4ab41c12f9c2ad6d7f643a0a9Sunny Goyal        Object dragObject = child.getTag();
2479aa8ef119f18864f4ab41c12f9c2ad6d7f643a0a9Sunny Goyal        if (!(dragObject instanceof ItemInfo)) {
24802f32ad29075bf666199cc49fe20014e00991d1bbAdam Cohen            String msg = "Drag started with a view that has no tag set. This "
24812f32ad29075bf666199cc49fe20014e00991d1bbAdam Cohen                    + "will cause a crash (issue 11627249) down the line. "
24822f32ad29075bf666199cc49fe20014e00991d1bbAdam Cohen                    + "View: " + child + "  tag: " + child.getTag();
24832f32ad29075bf666199cc49fe20014e00991d1bbAdam Cohen            throw new IllegalStateException(msg);
24842f32ad29075bf666199cc49fe20014e00991d1bbAdam Cohen        }
24852f32ad29075bf666199cc49fe20014e00991d1bbAdam Cohen
24865084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen        if (child.getParent() instanceof ShortcutAndWidgetContainer) {
24875084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen            mDragSourceInternal = (ShortcutAndWidgetContainer) child.getParent();
24885084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen        }
24895084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen
2490aa8ef119f18864f4ab41c12f9c2ad6d7f643a0a9Sunny Goyal        DragView dv = mDragController.startDrag(b, dragLayerX, dragLayerY, source,
2491aa8ef119f18864f4ab41c12f9c2ad6d7f643a0a9Sunny Goyal                (ItemInfo) dragObject, DragController.DRAG_ACTION_MOVE, dragVisualizeOffset,
2492aa8ef119f18864f4ab41c12f9c2ad6d7f643a0a9Sunny Goyal                dragRect, scale, accessible);
2493eeb5bbc9409978cc2ae52d48380399fcde3d9f85Winson Chung        dv.setIntrinsicIconScaleFactor(source.getIntrinsicIconScaleFactor());
24945084cbab0eb0c06bd2778e0a48efaf392717cd10Adam Cohen
24954be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato        b.recycle();
249694e0d37f53e699364ebff732cf75ab81a577fb91Tony Wickham
2497e0c332365604976d999eb25d4bdcc49ec75b7a1cTony Wickham        if (!FeatureFlags.LAUNCHER3_LEGACY_WORKSPACE_DND) {
24980f97b7874fe29f36e7a40d2fe4b45d1e0e24fe1bTony Wickham            mLauncher.enterSpringLoadedDragMode();
24990f97b7874fe29f36e7a40d2fe4b45d1e0e24fe1bTony Wickham        }
250031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
250131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
2502babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung    public void beginExternalDragShared(View child, DragSource source) {
25032e6da1539bc7286336b3c24d96ab76434939ce4dAdam Cohen        DeviceProfile grid = mLauncher.getDeviceProfile();
2504babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        int iconSize = grid.iconSizePx;
2505babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung
2506babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        // Notify launcher of drag start
2507babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        mLauncher.onDragStarted(child);
2508babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung
2509babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        // Compose a new drag bitmap that is of the icon size
251095abbb330ce9bbaf23594245f0f8a795c8118038Sunny Goyal        AtomicInteger padding = new AtomicInteger(DRAG_BITMAP_PADDING);
2511508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal        final Bitmap tmpB = createDragBitmap(child, padding);
2512babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        Bitmap b = Bitmap.createBitmap(iconSize, iconSize, Bitmap.Config.ARGB_8888);
2513babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        Paint p = new Paint();
2514babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        p.setFilterBitmap(true);
2515508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal        mCanvas.setBitmap(b);
2516508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal        mCanvas.drawBitmap(tmpB, new Rect(0, 0, tmpB.getWidth(), tmpB.getHeight()),
2517babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung                new Rect(0, 0, iconSize, iconSize), p);
2518508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal        mCanvas.setBitmap(null);
2519babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung
2520babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        // Find the child's location on the screen
2521babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        int bmpWidth = tmpB.getWidth();
2522babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        float iconScale = (float) bmpWidth / iconSize;
2523babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        float scale = mLauncher.getDragLayer().getLocationInDragLayer(child, mTempXY) * iconScale;
2524babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        int dragLayerX = Math.round(mTempXY[0] - (bmpWidth - scale * child.getWidth()) / 2);
2525babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        int dragLayerY = Math.round(mTempXY[1]);
2526babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung
2527babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        // Note: The drag region is used to calculate drag layer offsets, but the
2528babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        // dragVisualizeOffset in addition to the dragRect (the size) to position the outline.
252995abbb330ce9bbaf23594245f0f8a795c8118038Sunny Goyal        Point dragVisualizeOffset = new Point(-padding.get() / 2, padding.get() / 2);
2530babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        Rect dragRect = new Rect(0, 0, iconSize, iconSize);
2531babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung
2532aa8ef119f18864f4ab41c12f9c2ad6d7f643a0a9Sunny Goyal        Object dragObject = child.getTag();
2533aa8ef119f18864f4ab41c12f9c2ad6d7f643a0a9Sunny Goyal        if (!(dragObject instanceof ItemInfo)) {
2534babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung            String msg = "Drag started with a view that has no tag set. This "
2535babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung                    + "will cause a crash (issue 11627249) down the line. "
2536babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung                    + "View: " + child + "  tag: " + child.getTag();
2537babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung            throw new IllegalStateException(msg);
2538babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        }
2539babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung
2540babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        // Start the drag
2541aa8ef119f18864f4ab41c12f9c2ad6d7f643a0a9Sunny Goyal        DragView dv = mDragController.startDrag(b, dragLayerX, dragLayerY, source,
2542aa8ef119f18864f4ab41c12f9c2ad6d7f643a0a9Sunny Goyal                (ItemInfo) dragObject, DragController.DRAG_ACTION_MOVE, dragVisualizeOffset,
2543aa8ef119f18864f4ab41c12f9c2ad6d7f643a0a9Sunny Goyal                dragRect, scale, false);
2544babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        dv.setIntrinsicIconScaleFactor(source.getIntrinsicIconScaleFactor());
2545babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung
2546babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        // Recycle temporary bitmaps
2547babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung        tmpB.recycle();
254894e0d37f53e699364ebff732cf75ab81a577fb91Tony Wickham
2549e0c332365604976d999eb25d4bdcc49ec75b7a1cTony Wickham        if (!FeatureFlags.LAUNCHER3_LEGACY_WORKSPACE_DND) {
25500f97b7874fe29f36e7a40d2fe4b45d1e0e24fe1bTony Wickham            mLauncher.enterSpringLoadedDragMode();
25510f97b7874fe29f36e7a40d2fe4b45d1e0e24fe1bTony Wickham        }
2552babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung    }
2553babb53ef8fd0fcba32fcc8fc213663f0f27b8f5eWinson Chung
25544b285c5a60028f7c9ce39cfb318a730d0ae95c27Adam Cohen    public boolean transitionStateShouldAllowDrop() {
25556c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen        return ((!isSwitchingState() || mTransitionProgress > 0.5f) &&
25566c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen                (mState == State.NORMAL || mState == State.SPRING_LOADED));
25574b285c5a60028f7c9ce39cfb318a730d0ae95c27Adam Cohen    }
25584b285c5a60028f7c9ce39cfb318a730d0ae95c27Adam Cohen
2559cd68ff5b88de9b5136ff5a9ef698e4db2fc5db66Patrick Dubroy    /**
2560cd68ff5b88de9b5136ff5a9ef698e4db2fc5db66Patrick Dubroy     * {@inheritDoc}
2561cd68ff5b88de9b5136ff5a9ef698e4db2fc5db66Patrick Dubroy     */
2562cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen    public boolean acceptDrop(DragObject d) {
2563cd68ff5b88de9b5136ff5a9ef698e4db2fc5db66Patrick Dubroy        // If it's an external drop (e.g. from All Apps), check if it should be accepted
2564c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        CellLayout dropTargetLayout = mDropToLayout;
2565cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen        if (d.dragSource != this) {
2566cd68ff5b88de9b5136ff5a9ef698e4db2fc5db66Patrick Dubroy            // Don't accept the drop if we're not over a screen at time of drop
2567c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            if (dropTargetLayout == null) {
2568cd68ff5b88de9b5136ff5a9ef698e4db2fc5db66Patrick Dubroy                return false;
2569cd68ff5b88de9b5136ff5a9ef698e4db2fc5db66Patrick Dubroy            }
25704b285c5a60028f7c9ce39cfb318a730d0ae95c27Adam Cohen            if (!transitionStateShouldAllowDrop()) return false;
2571cd68ff5b88de9b5136ff5a9ef698e4db2fc5db66Patrick Dubroy
25721587d5362f5a66e005aa36fdfc7082c34b8ea3b7Sunny Goyal            mDragViewVisualCenter = d.getVisualCenter(mDragViewVisualCenter);
2573a65beeea13c18c443f15f8d51c4c6e153a6c4ef9Adam Cohen
25742e9f4fb38e833b18fe403da17b00f830d6a5e86cAdam Cohen            // We want the point to be mapped to the dragTarget.
2575c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            if (mLauncher.isHotseatLayout(dropTargetLayout)) {
2576307fe23f125cbbd5512ad8d4660025f2ab68f30bAdam Cohen                mapPointFromSelfToHotseatLayout(mLauncher.getHotseat(), mDragViewVisualCenter);
25772e9f4fb38e833b18fe403da17b00f830d6a5e86cAdam Cohen            } else {
2578106bf64f4a5b4b7772c971f62b6207b5a73529a2Sunny Goyal                mapPointFromSelfToChild(dropTargetLayout, mDragViewVisualCenter);
25792e9f4fb38e833b18fe403da17b00f830d6a5e86cAdam Cohen            }
25802e9f4fb38e833b18fe403da17b00f830d6a5e86cAdam Cohen
2581557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung            int spanX = 1;
2582557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung            int spanY = 1;
2583557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung            if (mDragInfo != null) {
2584557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung                final CellLayout.CellInfo dragCellInfo = mDragInfo;
2585557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung                spanX = dragCellInfo.spanX;
2586557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung                spanY = dragCellInfo.spanY;
2587557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung            } else {
2588aa8ef119f18864f4ab41c12f9c2ad6d7f643a0a9Sunny Goyal                spanX = d.dragInfo.spanX;
2589aa8ef119f18864f4ab41c12f9c2ad6d7f643a0a9Sunny Goyal                spanY = d.dragInfo.spanY;
2590557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung            }
2591cd68ff5b88de9b5136ff5a9ef698e4db2fc5db66Patrick Dubroy
2592d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen            int minSpanX = spanX;
2593d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen            int minSpanY = spanY;
2594d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen            if (d.dragInfo instanceof PendingAddWidgetInfo) {
2595d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                minSpanX = ((PendingAddWidgetInfo) d.dragInfo).minSpanX;
2596d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                minSpanY = ((PendingAddWidgetInfo) d.dragInfo).minSpanY;
2597d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen            }
2598482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen
2599a65beeea13c18c443f15f8d51c4c6e153a6c4ef9Adam Cohen            mTargetCell = findNearestArea((int) mDragViewVisualCenter[0],
2600c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen                    (int) mDragViewVisualCenter[1], minSpanX, minSpanY, dropTargetLayout,
2601f0777b9d7a8f4befa22a36f227a052616152108fAdam Cohen                    mTargetCell);
2602c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            float distance = dropTargetLayout.getDistanceFromCell(mDragViewVisualCenter[0],
2603482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                    mDragViewVisualCenter[1], mTargetCell);
2604aa8ef119f18864f4ab41c12f9c2ad6d7f643a0a9Sunny Goyal            if (mCreateUserFolderOnDrop && willCreateUserFolder(d.dragInfo,
2605ec0d61d79ef50010660b426b259a8ccb14656b31Adam Cohen                    dropTargetLayout, mTargetCell, distance, true)) {
2606a65beeea13c18c443f15f8d51c4c6e153a6c4ef9Adam Cohen                return true;
2607a65beeea13c18c443f15f8d51c4c6e153a6c4ef9Adam Cohen            }
2608ec0d61d79ef50010660b426b259a8ccb14656b31Adam Cohen
2609aa8ef119f18864f4ab41c12f9c2ad6d7f643a0a9Sunny Goyal            if (mAddToExistingFolderOnDrop && willAddToExistingUserFolder(d.dragInfo,
2610ec0d61d79ef50010660b426b259a8ccb14656b31Adam Cohen                    dropTargetLayout, mTargetCell, distance)) {
2611a65beeea13c18c443f15f8d51c4c6e153a6c4ef9Adam Cohen                return true;
2612a65beeea13c18c443f15f8d51c4c6e153a6c4ef9Adam Cohen            }
2613a65beeea13c18c443f15f8d51c4c6e153a6c4ef9Adam Cohen
2614482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen            int[] resultSpan = new int[2];
2615fa3c58f647e603760c0bd929166c0edee25675a9Adam Cohen            mTargetCell = dropTargetLayout.performReorder((int) mDragViewVisualCenter[0],
2616482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                    (int) mDragViewVisualCenter[1], minSpanX, minSpanY, spanX, spanY,
2617482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                    null, mTargetCell, resultSpan, CellLayout.MODE_ACCEPT_DROP);
2618482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen            boolean foundCell = mTargetCell[0] >= 0 && mTargetCell[1] >= 0;
2619482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen
2620cd68ff5b88de9b5136ff5a9ef698e4db2fc5db66Patrick Dubroy            // Don't accept the drop if there's no room for the item
2621482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen            if (!foundCell) {
262296ef409ebdc798a82786e5dcecfd7d897be0ed30Winson Chung                // Don't show the message if we are dropping on the AllApps button and the hotseat
262396ef409ebdc798a82786e5dcecfd7d897be0ed30Winson Chung                // is full
2624c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen                boolean isHotseat = mLauncher.isHotseatLayout(dropTargetLayout);
2625bb011dad4e69bec027be1e00d573a3095b318b43Sunny Goyal                if (mTargetCell != null && isHotseat && !FeatureFlags.NO_ALL_APPS_ICON) {
262696ef409ebdc798a82786e5dcecfd7d897be0ed30Winson Chung                    Hotseat hotseat = mLauncher.getHotseat();
2627bb011dad4e69bec027be1e00d573a3095b318b43Sunny Goyal                    if (mLauncher.getDeviceProfile().inv.isAllAppsButtonRank(
262896ef409ebdc798a82786e5dcecfd7d897be0ed30Winson Chung                            hotseat.getOrderInHotseat(mTargetCell[0], mTargetCell[1]))) {
262996ef409ebdc798a82786e5dcecfd7d897be0ed30Winson Chung                        return false;
263096ef409ebdc798a82786e5dcecfd7d897be0ed30Winson Chung                    }
263196ef409ebdc798a82786e5dcecfd7d897be0ed30Winson Chung                }
263296ef409ebdc798a82786e5dcecfd7d897be0ed30Winson Chung
263393eef082ec2da802ee4507fb2ca729e550f833f1Winson Chung                mLauncher.showOutOfSpaceMessage(isHotseat);
2634cd68ff5b88de9b5136ff5a9ef698e4db2fc5db66Patrick Dubroy                return false;
2635cd68ff5b88de9b5136ff5a9ef698e4db2fc5db66Patrick Dubroy            }
2636cd68ff5b88de9b5136ff5a9ef698e4db2fc5db66Patrick Dubroy        }
2637dedbd962dcfaf055a6835abf5b0000ce1564e51eAdam Cohen
2638dedbd962dcfaf055a6835abf5b0000ce1564e51eAdam Cohen        long screenId = getIdForScreen(dropTargetLayout);
2639dedbd962dcfaf055a6835abf5b0000ce1564e51eAdam Cohen        if (screenId == EXTRA_EMPTY_SCREEN_ID) {
2640dedbd962dcfaf055a6835abf5b0000ce1564e51eAdam Cohen            commitExtraEmptyScreen();
2641dedbd962dcfaf055a6835abf5b0000ce1564e51eAdam Cohen        }
2642dedbd962dcfaf055a6835abf5b0000ce1564e51eAdam Cohen
2643cd68ff5b88de9b5136ff5a9ef698e4db2fc5db66Patrick Dubroy        return true;
2644cd68ff5b88de9b5136ff5a9ef698e4db2fc5db66Patrick Dubroy    }
2645cd68ff5b88de9b5136ff5a9ef698e4db2fc5db66Patrick Dubroy
2646e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal    boolean willCreateUserFolder(ItemInfo info, CellLayout target, int[] targetCell,
2647e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal            float distance, boolean considerTimeout) {
2648482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen        if (distance > mMaxDistanceForFolderCreation) return false;
2649a65beeea13c18c443f15f8d51c4c6e153a6c4ef9Adam Cohen        View dropOverView = target.getChildAt(targetCell[0], targetCell[1]);
2650e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal        return willCreateUserFolder(info, dropOverView, considerTimeout);
2651e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal    }
2652a65beeea13c18c443f15f8d51c4c6e153a6c4ef9Adam Cohen
2653e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal    boolean willCreateUserFolder(ItemInfo info, View dropOverView, boolean considerTimeout) {
265419f3792523fe2d55ea791a9286398a6120920690Adam Cohen        if (dropOverView != null) {
265519f3792523fe2d55ea791a9286398a6120920690Adam Cohen            CellLayout.LayoutParams lp = (CellLayout.LayoutParams) dropOverView.getLayoutParams();
2656b740f59c7d572d54402e3a74fb2a23c0f1b1af48Sunny Goyal            if (lp.useTmpCoords && (lp.tmpCellX != lp.cellX || lp.tmpCellY != lp.cellY)) {
265719f3792523fe2d55ea791a9286398a6120920690Adam Cohen                return false;
265819f3792523fe2d55ea791a9286398a6120920690Adam Cohen            }
265919f3792523fe2d55ea791a9286398a6120920690Adam Cohen        }
266019f3792523fe2d55ea791a9286398a6120920690Adam Cohen
26613d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        boolean hasntMoved = false;
26623d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        if (mDragInfo != null) {
2663482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen            hasntMoved = dropOverView == mDragInfo.cell;
26643d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        }
2665e0310965022e7a1adb7ad489505d404186608689Adam Cohen
2666a65beeea13c18c443f15f8d51c4c6e153a6c4ef9Adam Cohen        if (dropOverView == null || hasntMoved || (considerTimeout && !mCreateUserFolderOnDrop)) {
2667a65beeea13c18c443f15f8d51c4c6e153a6c4ef9Adam Cohen            return false;
2668a65beeea13c18c443f15f8d51c4c6e153a6c4ef9Adam Cohen        }
2669e0310965022e7a1adb7ad489505d404186608689Adam Cohen
2670a65beeea13c18c443f15f8d51c4c6e153a6c4ef9Adam Cohen        boolean aboveShortcut = (dropOverView.getTag() instanceof ShortcutInfo);
2671e0310965022e7a1adb7ad489505d404186608689Adam Cohen        boolean willBecomeShortcut =
2672c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen                (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION ||
2673bfbf7f9f4a0b300613f0ff27a4eb592d88c08325Tony Wickham                        info.itemType == LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT ||
2674bfbf7f9f4a0b300613f0ff27a4eb592d88c08325Tony Wickham                        info.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT);
2675e0310965022e7a1adb7ad489505d404186608689Adam Cohen
2676e0310965022e7a1adb7ad489505d404186608689Adam Cohen        return (aboveShortcut && willBecomeShortcut);
2677e0310965022e7a1adb7ad489505d404186608689Adam Cohen    }
2678e0310965022e7a1adb7ad489505d404186608689Adam Cohen
2679aa8ef119f18864f4ab41c12f9c2ad6d7f643a0a9Sunny Goyal    boolean willAddToExistingUserFolder(ItemInfo dragInfo, CellLayout target, int[] targetCell,
2680482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen            float distance) {
2681482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen        if (distance > mMaxDistanceForFolderCreation) return false;
2682a65beeea13c18c443f15f8d51c4c6e153a6c4ef9Adam Cohen        View dropOverView = target.getChildAt(targetCell[0], targetCell[1]);
2683e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal        return willAddToExistingUserFolder(dragInfo, dropOverView);
268419f3792523fe2d55ea791a9286398a6120920690Adam Cohen
2685e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal    }
26869d4380856ff41ecb26c0d5aee1747b6060d2ef0eSunny Goyal    boolean willAddToExistingUserFolder(ItemInfo dragInfo, View dropOverView) {
268719f3792523fe2d55ea791a9286398a6120920690Adam Cohen        if (dropOverView != null) {
268819f3792523fe2d55ea791a9286398a6120920690Adam Cohen            CellLayout.LayoutParams lp = (CellLayout.LayoutParams) dropOverView.getLayoutParams();
2689b740f59c7d572d54402e3a74fb2a23c0f1b1af48Sunny Goyal            if (lp.useTmpCoords && (lp.tmpCellX != lp.cellX || lp.tmpCellY != lp.cellY)) {
269019f3792523fe2d55ea791a9286398a6120920690Adam Cohen                return false;
269119f3792523fe2d55ea791a9286398a6120920690Adam Cohen            }
269219f3792523fe2d55ea791a9286398a6120920690Adam Cohen        }
269319f3792523fe2d55ea791a9286398a6120920690Adam Cohen
2694a65beeea13c18c443f15f8d51c4c6e153a6c4ef9Adam Cohen        if (dropOverView instanceof FolderIcon) {
2695a65beeea13c18c443f15f8d51c4c6e153a6c4ef9Adam Cohen            FolderIcon fi = (FolderIcon) dropOverView;
2696a65beeea13c18c443f15f8d51c4c6e153a6c4ef9Adam Cohen            if (fi.acceptDrop(dragInfo)) {
2697a65beeea13c18c443f15f8d51c4c6e153a6c4ef9Adam Cohen                return true;
2698a65beeea13c18c443f15f8d51c4c6e153a6c4ef9Adam Cohen            }
2699a65beeea13c18c443f15f8d51c4c6e153a6c4ef9Adam Cohen        }
2700a65beeea13c18c443f15f8d51c4c6e153a6c4ef9Adam Cohen        return false;
2701a65beeea13c18c443f15f8d51c4c6e153a6c4ef9Adam Cohen    }
2702a65beeea13c18c443f15f8d51c4c6e153a6c4ef9Adam Cohen
27033d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung    boolean createUserFolderIfNecessary(View newView, long container, CellLayout target,
2704482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen            int[] targetCell, float distance, boolean external, DragView dragView,
2705482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen            Runnable postAnimationRunnable) {
2706482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen        if (distance > mMaxDistanceForFolderCreation) return false;
2707c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen        View v = target.getChildAt(targetCell[0], targetCell[1]);
270819f3792523fe2d55ea791a9286398a6120920690Adam Cohen
2709ec9a0a4ca5458e65ba2498e4f7eab0ae6e91964aWinson Chung        boolean hasntMoved = false;
2710ec9a0a4ca5458e65ba2498e4f7eab0ae6e91964aWinson Chung        if (mDragInfo != null) {
2711ec9a0a4ca5458e65ba2498e4f7eab0ae6e91964aWinson Chung            CellLayout cellParent = getParentCellLayoutForView(mDragInfo.cell);
2712ec9a0a4ca5458e65ba2498e4f7eab0ae6e91964aWinson Chung            hasntMoved = (mDragInfo.cellX == targetCell[0] &&
2713ec9a0a4ca5458e65ba2498e4f7eab0ae6e91964aWinson Chung                    mDragInfo.cellY == targetCell[1]) && (cellParent == target);
2714ec9a0a4ca5458e65ba2498e4f7eab0ae6e91964aWinson Chung        }
271510b1737910ea7890ca95bbbe5363fd5aa513b856Adam Cohen
271619072da7441e07d5e90026d9e9e1b38f11245e44Adam Cohen        if (v == null || hasntMoved || !mCreateUserFolderOnDrop) return false;
271719072da7441e07d5e90026d9e9e1b38f11245e44Adam Cohen        mCreateUserFolderOnDrop = false;
2718b740f59c7d572d54402e3a74fb2a23c0f1b1af48Sunny Goyal        final long screenId = getIdForScreen(target);
271910b1737910ea7890ca95bbbe5363fd5aa513b856Adam Cohen
272010b1737910ea7890ca95bbbe5363fd5aa513b856Adam Cohen        boolean aboveShortcut = (v.getTag() instanceof ShortcutInfo);
272110b1737910ea7890ca95bbbe5363fd5aa513b856Adam Cohen        boolean willBecomeShortcut = (newView.getTag() instanceof ShortcutInfo);
272210b1737910ea7890ca95bbbe5363fd5aa513b856Adam Cohen
272310b1737910ea7890ca95bbbe5363fd5aa513b856Adam Cohen        if (aboveShortcut && willBecomeShortcut) {
272410b1737910ea7890ca95bbbe5363fd5aa513b856Adam Cohen            ShortcutInfo sourceInfo = (ShortcutInfo) newView.getTag();
272510b1737910ea7890ca95bbbe5363fd5aa513b856Adam Cohen            ShortcutInfo destInfo = (ShortcutInfo) v.getTag();
272610b1737910ea7890ca95bbbe5363fd5aa513b856Adam Cohen            // if the drag started here, we need to remove it from the workspace
272710b1737910ea7890ca95bbbe5363fd5aa513b856Adam Cohen            if (!external) {
27283d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung                getParentCellLayoutForView(mDragInfo.cell).removeView(mDragInfo.cell);
272910b1737910ea7890ca95bbbe5363fd5aa513b856Adam Cohen            }
273010b1737910ea7890ca95bbbe5363fd5aa513b856Adam Cohen
2731d044526d82e7938cf35b296978d9d5302f98b4afAdam Cohen            Rect folderLocation = new Rect();
2732ac8c87687b8e063c981f28cb31bab2cc110f26ccAdam Cohen            float scale = mLauncher.getDragLayer().getDescendantRectRelativeToSelf(v, folderLocation);
273310b1737910ea7890ca95bbbe5363fd5aa513b856Adam Cohen            target.removeView(v);
2734d044526d82e7938cf35b296978d9d5302f98b4afAdam Cohen
27353d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung            FolderIcon fi =
2736dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen                mLauncher.addFolder(target, container, screenId, targetCell[0], targetCell[1]);
2737a9cf38f533d1e86269868f1e6a806ccffd4a78fcAdam Cohen            destInfo.cellX = -1;
2738a9cf38f533d1e86269868f1e6a806ccffd4a78fcAdam Cohen            destInfo.cellY = -1;
2739a9cf38f533d1e86269868f1e6a806ccffd4a78fcAdam Cohen            sourceInfo.cellX = -1;
2740a9cf38f533d1e86269868f1e6a806ccffd4a78fcAdam Cohen            sourceInfo.cellY = -1;
2741d044526d82e7938cf35b296978d9d5302f98b4afAdam Cohen
2742558baaf0a0b1c6a9062a6771088098533a35222bAdam Cohen            // If the dragView is null, we can't animate
2743558baaf0a0b1c6a9062a6771088098533a35222bAdam Cohen            boolean animate = dragView != null;
2744558baaf0a0b1c6a9062a6771088098533a35222bAdam Cohen            if (animate) {
2745efca0279eb927faebffc38c8382818df67fcd159Adam Cohen                // In order to keep everything continuous, we hand off the currently rendered
2746efca0279eb927faebffc38c8382818df67fcd159Adam Cohen                // folder background to the newly created icon. This preserves animation state.
2747efca0279eb927faebffc38c8382818df67fcd159Adam Cohen                fi.setFolderBackground(mFolderCreateBg);
2748efca0279eb927faebffc38c8382818df67fcd159Adam Cohen                mFolderCreateBg = new FolderIcon.PreviewBackground();
2749558baaf0a0b1c6a9062a6771088098533a35222bAdam Cohen                fi.performCreateAnimation(destInfo, v, sourceInfo, dragView, folderLocation, scale,
2750558baaf0a0b1c6a9062a6771088098533a35222bAdam Cohen                        postAnimationRunnable);
2751558baaf0a0b1c6a9062a6771088098533a35222bAdam Cohen            } else {
2752558baaf0a0b1c6a9062a6771088098533a35222bAdam Cohen                fi.addItem(destInfo);
2753558baaf0a0b1c6a9062a6771088098533a35222bAdam Cohen                fi.addItem(sourceInfo);
2754558baaf0a0b1c6a9062a6771088098533a35222bAdam Cohen            }
275510b1737910ea7890ca95bbbe5363fd5aa513b856Adam Cohen            return true;
275610b1737910ea7890ca95bbbe5363fd5aa513b856Adam Cohen        }
275710b1737910ea7890ca95bbbe5363fd5aa513b856Adam Cohen        return false;
275810b1737910ea7890ca95bbbe5363fd5aa513b856Adam Cohen    }
275910b1737910ea7890ca95bbbe5363fd5aa513b856Adam Cohen
2760a65beeea13c18c443f15f8d51c4c6e153a6c4ef9Adam Cohen    boolean addToExistingFolderIfNecessary(View newView, CellLayout target, int[] targetCell,
2761482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen            float distance, DragObject d, boolean external) {
2762482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen        if (distance > mMaxDistanceForFolderCreation) return false;
2763482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen
2764a65beeea13c18c443f15f8d51c4c6e153a6c4ef9Adam Cohen        View dropOverView = target.getChildAt(targetCell[0], targetCell[1]);
2765c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        if (!mAddToExistingFolderOnDrop) return false;
2766c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        mAddToExistingFolderOnDrop = false;
276719f3792523fe2d55ea791a9286398a6120920690Adam Cohen
2768c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen        if (dropOverView instanceof FolderIcon) {
2769c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen            FolderIcon fi = (FolderIcon) dropOverView;
27703e8f811f31a2275e778244427271f77f4116c08bAdam Cohen            if (fi.acceptDrop(d.dragInfo)) {
27713e8f811f31a2275e778244427271f77f4116c08bAdam Cohen                fi.onDrop(d);
2772c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen
2773c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen                // if the drag started here, we need to remove it from the workspace
2774c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen                if (!external) {
27753d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung                    getParentCellLayoutForView(mDragInfo.cell).removeView(mDragInfo.cell);
2776c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen                }
2777c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen                return true;
2778c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen            }
2779c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen        }
2780c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen        return false;
2781c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen    }
2782c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen
2783e9b651eef1b9f3647eba94f833bff3fc52f5956bSunny Goyal    @Override
2784e9b651eef1b9f3647eba94f833bff3fc52f5956bSunny Goyal    public void prepareAccessibilityDrop() { }
2785e9b651eef1b9f3647eba94f833bff3fc52f5956bSunny Goyal
2786d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen    public void onDrop(final DragObject d) {
27871587d5362f5a66e005aa36fdfc7082c34b8ea3b7Sunny Goyal        mDragViewVisualCenter = d.getVisualCenter(mDragViewVisualCenter);
2788c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        CellLayout dropTargetLayout = mDropToLayout;
2789c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen
2790e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen        // We want the point to be mapped to the dragTarget.
2791c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        if (dropTargetLayout != null) {
2792c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            if (mLauncher.isHotseatLayout(dropTargetLayout)) {
2793bb00ff2666d52a0df763a446ad3e398c643d23ddAdam Cohen                mapPointFromSelfToHotseatLayout(mLauncher.getHotseat(), mDragViewVisualCenter);
27943d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung            } else {
2795106bf64f4a5b4b7772c971f62b6207b5a73529a2Sunny Goyal                mapPointFromSelfToChild(dropTargetLayout, mDragViewVisualCenter);
27963d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung            }
2797ba781611b3e2fb1c42daa7167c1079b90b100efaAdam Cohen        }
2798c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka
2799ce5a7e5ee4c880081faef3a508f68725d0317ee9Sunny Goyal        int snapScreen = -1;
2800d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen        boolean resizeOnDrop = false;
2801cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen        if (d.dragSource != this) {
2802e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen            final int[] touchXY = new int[] { (int) mDragViewVisualCenter[0],
2803e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen                    (int) mDragViewVisualCenter[1] };
28043e8f811f31a2275e778244427271f77f4116c08bAdam Cohen            onDropExternal(touchXY, d.dragInfo, dropTargetLayout, false, d);
2805ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy        } else if (mDragInfo != null) {
2806ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy            final View cell = mDragInfo.cell;
280754fa3b95557c283976e8c1aa8a157b460b0b4513Patrick Dubroy
28081e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka            if (dropTargetLayout != null && !d.cancelled) {
2809cd68ff5b88de9b5136ff5a9ef698e4db2fc5db66Patrick Dubroy                // Move internally
281040e882bf19a837ee62ec328c5748b75be7960d39Winson Chung                boolean hasMovedLayouts = (getParentCellLayoutForView(cell) != dropTargetLayout);
281140e882bf19a837ee62ec328c5748b75be7960d39Winson Chung                boolean hasMovedIntoHotseat = mLauncher.isHotseatLayout(dropTargetLayout);
281240e882bf19a837ee62ec328c5748b75be7960d39Winson Chung                long container = hasMovedIntoHotseat ?
28133d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung                        LauncherSettings.Favorites.CONTAINER_HOTSEAT :
28143d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung                        LauncherSettings.Favorites.CONTAINER_DESKTOP;
2815dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen                long screenId = (mTargetCell[0] < 0) ?
2816dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen                        mDragInfo.screenId : getIdForScreen(dropTargetLayout);
2817c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen                int spanX = mDragInfo != null ? mDragInfo.spanX : 1;
2818c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen                int spanY = mDragInfo != null ? mDragInfo.spanY : 1;
2819c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen                // First we find the cell nearest to point at which the item is
2820c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen                // dropped, without any consideration to whether there is an item there.
2821482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen
2822c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen                mTargetCell = findNearestArea((int) mDragViewVisualCenter[0], (int)
2823c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen                        mDragViewVisualCenter[1], spanX, spanY, dropTargetLayout, mTargetCell);
2824482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                float distance = dropTargetLayout.getDistanceFromCell(mDragViewVisualCenter[0],
2825482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                        mDragViewVisualCenter[1], mTargetCell);
2826482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen
2827c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen                // If the item being dropped is a shortcut and the nearest drop
282876078c4ef35b6e95fb6d8129a32cf52a36625e28Adam Cohen                // cell also contains a shortcut, then create a folder with the two shortcuts.
28291c4cf4a11f3f7f24bbf65f958fdd22295d0bbd55Winson Chung                if (!mInScrollArea && createUserFolderIfNecessary(cell, container,
2830482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                        dropTargetLayout, mTargetCell, distance, false, d.dragView, null)) {
2831c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen                    return;
2832c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen                }
2833c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen
2834482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                if (addToExistingFolderIfNecessary(cell, dropTargetLayout, mTargetCell,
2835482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                        distance, d, false)) {
2836df0353815c629fc678824b07a234b89a1ff94208Adam Cohen                    return;
2837df0353815c629fc678824b07a234b89a1ff94208Adam Cohen                }
2838df0353815c629fc678824b07a234b89a1ff94208Adam Cohen
2839df0353815c629fc678824b07a234b89a1ff94208Adam Cohen                // Aside from the special case where we're dropping a shortcut onto a shortcut,
2840df0353815c629fc678824b07a234b89a1ff94208Adam Cohen                // we need to find the nearest cell location that is vacant
2841aa8ef119f18864f4ab41c12f9c2ad6d7f643a0a9Sunny Goyal                ItemInfo item = d.dragInfo;
2842d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                int minSpanX = item.spanX;
2843d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                int minSpanY = item.spanY;
2844d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                if (item.minSpanX > 0 && item.minSpanY > 0) {
2845d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                    minSpanX = item.minSpanX;
2846d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                    minSpanY = item.minSpanY;
2847d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                }
2848482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen
2849d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                int[] resultSpan = new int[2];
2850fa3c58f647e603760c0bd929166c0edee25675a9Adam Cohen                mTargetCell = dropTargetLayout.performReorder((int) mDragViewVisualCenter[0],
2851482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                        (int) mDragViewVisualCenter[1], minSpanX, minSpanY, spanX, spanY, cell,
2852482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                        mTargetCell, resultSpan, CellLayout.MODE_ON_DROP);
2853482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen
2854d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                boolean foundCell = mTargetCell[0] >= 0 && mTargetCell[1] >= 0;
28559e05a5ea951b4d5ffce324da8dd0656353306e6fAdam Cohen
2856aaa5c21ee2e03def644fb6ba8eadbb59873ddd45Adam Cohen                // if the widget resizes on drop
28579e05a5ea951b4d5ffce324da8dd0656353306e6fAdam Cohen                if (foundCell && (cell instanceof AppWidgetHostView) &&
2858aaa5c21ee2e03def644fb6ba8eadbb59873ddd45Adam Cohen                        (resultSpan[0] != item.spanX || resultSpan[1] != item.spanY)) {
2859d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                    resizeOnDrop = true;
2860d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                    item.spanX = resultSpan[0];
2861d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                    item.spanY = resultSpan[1];
28627bdfc9700b1cad043c04c757f134db1bf3df00daAdam Cohen                    AppWidgetHostView awhv = (AppWidgetHostView) cell;
28637bdfc9700b1cad043c04c757f134db1bf3df00daAdam Cohen                    AppWidgetResizeFrame.updateWidgetSizeRanges(awhv, mLauncher, resultSpan[0],
28647bdfc9700b1cad043c04c757f134db1bf3df00daAdam Cohen                            resultSpan[1]);
2865d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                }
2866df0353815c629fc678824b07a234b89a1ff94208Adam Cohen
2867dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen                if (getScreenIdForPageIndex(mCurrentPage) != screenId && !hasMovedIntoHotseat) {
2868dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen                    snapScreen = getPageIndexForScreenId(screenId);
2869dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen                    snapToPage(snapScreen);
287054fa3b95557c283976e8c1aa8a157b460b0b4513Patrick Dubroy                }
287154fa3b95557c283976e8c1aa8a157b460b0b4513Patrick Dubroy
2872d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                if (foundCell) {
2873d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                    final ItemInfo info = (ItemInfo) cell.getTag();
287440e882bf19a837ee62ec328c5748b75be7960d39Winson Chung                    if (hasMovedLayouts) {
28759438336724b4f8b54c7cdc49c5f01dd9568926ebPatrick Dubroy                        // Reparent the view
287625611b181f19a302fc6fa1aa1489ee1585c11316Sunny Goyal                        CellLayout parentCell = getParentCellLayoutForView(cell);
287725611b181f19a302fc6fa1aa1489ee1585c11316Sunny Goyal                        if (parentCell != null) {
287825611b181f19a302fc6fa1aa1489ee1585c11316Sunny Goyal                            parentCell.removeView(cell);
28796c56c68555dcb3d99b05d5faecd582a1f683cc92Sunny Goyal                        } else if (ProviderConfig.IS_DOGFOOD_BUILD) {
288025611b181f19a302fc6fa1aa1489ee1585c11316Sunny Goyal                            throw new NullPointerException("mDragInfo.cell has null parent");
288125611b181f19a302fc6fa1aa1489ee1585c11316Sunny Goyal                        }
2882dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen                        addInScreen(cell, container, screenId, mTargetCell[0], mTargetCell[1],
2883d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                                info.spanX, info.spanY);
28849438336724b4f8b54c7cdc49c5f01dd9568926ebPatrick Dubroy                    }
2885cd68ff5b88de9b5136ff5a9ef698e4db2fc5db66Patrick Dubroy
28869438336724b4f8b54c7cdc49c5f01dd9568926ebPatrick Dubroy                    // update the item's position after drop
28879438336724b4f8b54c7cdc49c5f01dd9568926ebPatrick Dubroy                    CellLayout.LayoutParams lp = (CellLayout.LayoutParams) cell.getLayoutParams();
288819f3792523fe2d55ea791a9286398a6120920690Adam Cohen                    lp.cellX = lp.tmpCellX = mTargetCell[0];
288919f3792523fe2d55ea791a9286398a6120920690Adam Cohen                    lp.cellY = lp.tmpCellY = mTargetCell[1];
2890d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                    lp.cellHSpan = item.spanX;
2891d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                    lp.cellVSpan = item.spanY;
289219f3792523fe2d55ea791a9286398a6120920690Adam Cohen                    lp.isLockedToGrid = true;
28939438336724b4f8b54c7cdc49c5f01dd9568926ebPatrick Dubroy
28943d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung                    if (container != LauncherSettings.Favorites.CONTAINER_HOTSEAT &&
28953d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung                            cell instanceof LauncherAppWidgetHostView) {
2896d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen                        final CellLayout cellLayout = dropTargetLayout;
2897d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen                        // We post this call so that the widget has a chance to be placed
2898d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen                        // in its final location
2899d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen
2900d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen                        final LauncherAppWidgetHostView hostView = (LauncherAppWidgetHostView) cell;
29012434d40ef271966096fea707ac4207d80d1b2901Sunny Goyal                        AppWidgetProviderInfo pInfo = hostView.getAppWidgetInfo();
2902c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen                        if (pInfo != null && pInfo.resizeMode != AppWidgetProviderInfo.RESIZE_NONE
2903c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen                                && !d.accessibleDrag) {
2904e03856267544d2209c2844c9c06c74e8e52ff104Tony Wickham                            mDelayedResizeRunnable = new Runnable() {
2905d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen                                public void run() {
2906e03856267544d2209c2844c9c06c74e8e52ff104Tony Wickham                                    if (!isPageMoving() && !mIsSwitchingState) {
2907e03856267544d2209c2844c9c06c74e8e52ff104Tony Wickham                                        DragLayer dragLayer = mLauncher.getDragLayer();
2908e03856267544d2209c2844c9c06c74e8e52ff104Tony Wickham                                        dragLayer.addResizeFrame(info, hostView, cellLayout);
290926976d9b53161f80faf822d482ac771b8621cf31Adam Cohen                                    }
291026976d9b53161f80faf822d482ac771b8621cf31Adam Cohen                                }
2911e03856267544d2209c2844c9c06c74e8e52ff104Tony Wickham                            };
2912d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen                        }
2913d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen                    }
2914d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen
2915949debe6e64034be1625ec21de100ea7e68545e2Adam Cohen                    LauncherModel.modifyItemInDatabase(mLauncher, info, container, screenId, lp.cellX,
2916949debe6e64034be1625ec21de100ea7e68545e2Adam Cohen                            lp.cellY, item.spanX, item.spanY);
2917d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                } else {
2918d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                    // If we can't find a drop location, we return the item to its original position
2919d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                    CellLayout.LayoutParams lp = (CellLayout.LayoutParams) cell.getLayoutParams();
2920d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                    mTargetCell[0] = lp.cellX;
2921d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                    mTargetCell[1] = lp.cellY;
2922f1dcdf61132a6321d0c1c0eb670c6cf1493ab981Adam Cohen                    CellLayout layout = (CellLayout) cell.getParent().getParent();
2923f1dcdf61132a6321d0c1c0eb670c6cf1493ab981Adam Cohen                    layout.markCellsAsOccupiedForView(cell);
29249438336724b4f8b54c7cdc49c5f01dd9568926ebPatrick Dubroy                }
292531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            }
2926cd68ff5b88de9b5136ff5a9ef698e4db2fc5db66Patrick Dubroy
29278c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka            final CellLayout parent = (CellLayout) cell.getParent().getParent();
2928ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy            // Prepare it to be animated into its new position
2929ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy            // This must be called after the view has been re-parented
2930d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen            final Runnable onCompleteRunnable = new Runnable() {
2931d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka                @Override
2932d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka                public void run() {
2933d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka                    mAnimatingViewIntoPlace = false;
29343a0469d1e40459529e2d4d57ebc493f930f7c01aMichael Jurka                    updateChildrenLayersEnabled(false);
2935d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka                }
2936d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka            };
2937d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka            mAnimatingViewIntoPlace = true;
2938fc53cd22c9a78708c78c85946443f23ec8c59502Adam Cohen            if (d.dragView.hasDrawn()) {
2939d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                final ItemInfo info = (ItemInfo) cell.getTag();
29405940042d39b576553c2499bcf3d0641281e6ad52Adam Cohen                boolean isWidget = info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET
29415940042d39b576553c2499bcf3d0641281e6ad52Adam Cohen                        || info.itemType == LauncherSettings.Favorites.ITEM_TYPE_CUSTOM_APPWIDGET;
29425940042d39b576553c2499bcf3d0641281e6ad52Adam Cohen                if (isWidget) {
2943d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                    int animationType = resizeOnDrop ? ANIMATE_INTO_POSITION_AND_RESIZE :
2944d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                            ANIMATE_INTO_POSITION_AND_DISAPPEAR;
2945d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                    animateWidgetDrop(info, parent, d.dragView,
2946d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                            onCompleteRunnable, animationType, cell, false);
2947d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                } else {
2948ce5a7e5ee4c880081faef3a508f68725d0317ee9Sunny Goyal                    int duration = snapScreen < 0 ? -1 : ADJACENT_SCREEN_DROP_DURATION;
294985b467bf3f7a483512ca8485c9c18254d460b079Adam Cohen                    mLauncher.getDragLayer().animateViewIntoPosition(d.dragView, cell, duration,
295085b467bf3f7a483512ca8485c9c18254d460b079Adam Cohen                            onCompleteRunnable, this);
2951d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                }
2952fc53cd22c9a78708c78c85946443f23ec8c59502Adam Cohen            } else {
29537bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung                d.deferDragViewCleanupPostAnimation = false;
2954fc53cd22c9a78708c78c85946443f23ec8c59502Adam Cohen                cell.setVisibility(VISIBLE);
2955fc53cd22c9a78708c78c85946443f23ec8c59502Adam Cohen            }
2956716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen            parent.onDropChild(cell);
295731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
295831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
295931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
296041d8417678934449c2692a97c0ae7b0d8ac27326Sunny Goyal    /**
296141d8417678934449c2692a97c0ae7b0d8ac27326Sunny Goyal     * Computes the area relative to dragLayer which is used to display a page.
296241d8417678934449c2692a97c0ae7b0d8ac27326Sunny Goyal     */
296341d8417678934449c2692a97c0ae7b0d8ac27326Sunny Goyal    public void getPageAreaRelativeToDragLayer(Rect outArea) {
296441d8417678934449c2692a97c0ae7b0d8ac27326Sunny Goyal        CellLayout child = (CellLayout) getChildAt(getNextPage());
296541d8417678934449c2692a97c0ae7b0d8ac27326Sunny Goyal        if (child == null) {
296641d8417678934449c2692a97c0ae7b0d8ac27326Sunny Goyal            return;
2967ed51cc9a12c50d12e7d30ed209a49f1a40858043Adam Cohen        }
296841d8417678934449c2692a97c0ae7b0d8ac27326Sunny Goyal        ShortcutAndWidgetContainer boundingLayout = child.getShortcutsAndWidgets();
2969ed51cc9a12c50d12e7d30ed209a49f1a40858043Adam Cohen
297041d8417678934449c2692a97c0ae7b0d8ac27326Sunny Goyal        // Use the absolute left instead of the child left, as we want the visible area
297141d8417678934449c2692a97c0ae7b0d8ac27326Sunny Goyal        // irrespective of the visible child. Since the view can only scroll horizontally, the
297241d8417678934449c2692a97c0ae7b0d8ac27326Sunny Goyal        // top position is not affected.
297341d8417678934449c2692a97c0ae7b0d8ac27326Sunny Goyal        mTempXY[0] = getViewportOffsetX() + getPaddingLeft() + boundingLayout.getLeft();
297441d8417678934449c2692a97c0ae7b0d8ac27326Sunny Goyal        mTempXY[1] = child.getTop() + boundingLayout.getTop();
297541d8417678934449c2692a97c0ae7b0d8ac27326Sunny Goyal
297641d8417678934449c2692a97c0ae7b0d8ac27326Sunny Goyal        float scale = mLauncher.getDragLayer().getDescendantCoordRelativeToSelf(this, mTempXY);
297741d8417678934449c2692a97c0ae7b0d8ac27326Sunny Goyal        outArea.set(mTempXY[0], mTempXY[1],
297841d8417678934449c2692a97c0ae7b0d8ac27326Sunny Goyal                (int) (mTempXY[0] + scale * boundingLayout.getMeasuredWidth()),
297941d8417678934449c2692a97c0ae7b0d8ac27326Sunny Goyal                (int) (mTempXY[1] + scale * boundingLayout.getMeasuredHeight()));
2980ed51cc9a12c50d12e7d30ed209a49f1a40858043Adam Cohen    }
2981ed51cc9a12c50d12e7d30ed209a49f1a40858043Adam Cohen
298258376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal    @Override
2983cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen    public void onDragEnter(DragObject d) {
298458376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal        if (ENFORCE_DRAG_EVENT_ORDER) {
298558376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal            enfoceDragParity("onDragEnter", 1, 1);
298658376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal        }
298758376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal
2988c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        mCreateUserFolderOnDrop = false;
2989c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        mAddToExistingFolderOnDrop = false;
2990c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen
2991c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        mDropToLayout = null;
2992c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        CellLayout layout = getCurrentDropLayout();
2993c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        setCurrentDropLayout(layout);
2994c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        setCurrentDragOverlappingLayout(layout);
29950f97b7874fe29f36e7a40d2fe4b45d1e0e24fe1bTony Wickham
2996e0c332365604976d999eb25d4bdcc49ec75b7a1cTony Wickham        if (!workspaceInModalState() && FeatureFlags.LAUNCHER3_LEGACY_WORKSPACE_DND) {
29970f97b7874fe29f36e7a40d2fe4b45d1e0e24fe1bTony Wickham            mLauncher.getDragLayer().showPageHints();
29980f97b7874fe29f36e7a40d2fe4b45d1e0e24fe1bTony Wickham        }
2999c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung    }
3000b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung
300158376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal    @Override
3002c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen    public void onDragExit(DragObject d) {
300358376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal        if (ENFORCE_DRAG_EVENT_ORDER) {
300458376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal            enfoceDragParity("onDragExit", -1, 0);
300558376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal        }
3006fd3385fe9e0f034b04f99d5d59a58d74fe040da4Winson Chung
3007c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        // Here we store the final page that will be dropped to, if the workspace in fact
3008c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        // receives the drop
3009c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        if (mInScrollArea) {
3010cc1cfe4b0c521a2add64f851a32f39be2b0327a6Winson Chung            if (isPageMoving()) {
3011cc1cfe4b0c521a2add64f851a32f39be2b0327a6Winson Chung                // If the user drops while the page is scrolling, we should use that page as the
3012cc1cfe4b0c521a2add64f851a32f39be2b0327a6Winson Chung                // destination instead of the page that is being hovered over.
3013cc1cfe4b0c521a2add64f851a32f39be2b0327a6Winson Chung                mDropToLayout = (CellLayout) getPageAt(getNextPage());
3014cc1cfe4b0c521a2add64f851a32f39be2b0327a6Winson Chung            } else {
3015cc1cfe4b0c521a2add64f851a32f39be2b0327a6Winson Chung                mDropToLayout = mDragOverlappingLayout;
3016cc1cfe4b0c521a2add64f851a32f39be2b0327a6Winson Chung            }
3017c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        } else {
3018c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            mDropToLayout = mDragTargetLayout;
3019c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        }
3020c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen
3021c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        if (mDragMode == DRAG_MODE_CREATE_FOLDER) {
3022c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            mCreateUserFolderOnDrop = true;
3023c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        } else if (mDragMode == DRAG_MODE_ADD_TO_FOLDER) {
3024c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            mAddToExistingFolderOnDrop = true;
3025482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen        }
3026482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen
3027c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung        // Reset the scroll area and previous drag target
3028c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung        onResetScrollArea();
3029c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        setCurrentDropLayout(null);
3030c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        setCurrentDragOverlappingLayout(null);
3031c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung
303274c28d1a6cf13fdfa55ff9518d2b27be10d01f6eAdam Cohen        mSpringLoadedDragController.cancel();
30330f97b7874fe29f36e7a40d2fe4b45d1e0e24fe1bTony Wickham
30340f97b7874fe29f36e7a40d2fe4b45d1e0e24fe1bTony Wickham        mLauncher.getDragLayer().hidePageHints();
3035c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung    }
3036c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung
303758376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal    private void enfoceDragParity(String event, int update, int expectedValue) {
303858376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal        enfoceDragParity(this, event, update, expectedValue);
303958376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal        for (int i = 0; i < getChildCount(); i++) {
304058376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal            enfoceDragParity(getChildAt(i), event, update, expectedValue);
304158376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal        }
304258376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal    }
304358376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal
304458376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal    private void enfoceDragParity(View v, String event, int update, int expectedValue) {
304558376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal        Object tag = v.getTag(R.id.drag_event_parity);
304658376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal        int value = tag == null ? 0 : (Integer) tag;
304758376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal        value += update;
304858376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal        v.setTag(R.id.drag_event_parity, value);
304958376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal
305058376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal        if (value != expectedValue) {
305158376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal            Log.e(TAG, event + ": Drag contract violated: " + value);
305258376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal        }
305358376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal    }
305458376925f9596c23f5c9ffa6c99630dfddcfce9cSunny Goyal
3055c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen    void setCurrentDropLayout(CellLayout layout) {
3056c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        if (mDragTargetLayout != null) {
3057c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            mDragTargetLayout.revertTempState();
3058c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            mDragTargetLayout.onDragExit();
3059c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        }
3060c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        mDragTargetLayout = layout;
3061c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        if (mDragTargetLayout != null) {
3062c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            mDragTargetLayout.onDragEnter();
3063c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        }
3064c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        cleanupReorder(true);
3065c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        cleanupFolderCreation();
3066c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        setCurrentDropOverCell(-1, -1);
3067c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen    }
3068c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen
3069c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen    void setCurrentDragOverlappingLayout(CellLayout layout) {
3070c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        if (mDragOverlappingLayout != null) {
3071c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            mDragOverlappingLayout.setIsDragOverlapping(false);
3072c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        }
3073c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        mDragOverlappingLayout = layout;
3074c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        if (mDragOverlappingLayout != null) {
3075c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            mDragOverlappingLayout.setIsDragOverlapping(true);
3076c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        }
307795cdb3a0211650e76adb451588ce89fd585b178fTony Wickham        // Invalidating the scrim will also force this CellLayout
307895cdb3a0211650e76adb451588ce89fd585b178fTony Wickham        // to be invalidated so that it is highlighted if necessary.
307995cdb3a0211650e76adb451588ce89fd585b178fTony Wickham        mLauncher.getDragLayer().invalidateScrim();
308095cdb3a0211650e76adb451588ce89fd585b178fTony Wickham    }
308195cdb3a0211650e76adb451588ce89fd585b178fTony Wickham
308295cdb3a0211650e76adb451588ce89fd585b178fTony Wickham    public CellLayout getCurrentDragOverlappingLayout() {
308395cdb3a0211650e76adb451588ce89fd585b178fTony Wickham        return mDragOverlappingLayout;
3084c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen    }
3085c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen
3086c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen    void setCurrentDropOverCell(int x, int y) {
3087c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        if (x != mDragOverX || y != mDragOverY) {
3088c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            mDragOverX = x;
3089c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            mDragOverY = y;
3090c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            setDragMode(DRAG_MODE_NONE);
3091c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        }
3092c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen    }
3093c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen
3094c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen    void setDragMode(int dragMode) {
3095c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        if (dragMode != mDragMode) {
3096c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            if (dragMode == DRAG_MODE_NONE) {
3097c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen                cleanupAddToFolder();
3098c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen                // We don't want to cancel the re-order alarm every time the target cell changes
3099c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen                // as this feels to slow / unresponsive.
3100c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen                cleanupReorder(false);
3101c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen                cleanupFolderCreation();
3102c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            } else if (dragMode == DRAG_MODE_ADD_TO_FOLDER) {
3103c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen                cleanupReorder(true);
3104c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen                cleanupFolderCreation();
3105c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            } else if (dragMode == DRAG_MODE_CREATE_FOLDER) {
3106c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen                cleanupAddToFolder();
3107c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen                cleanupReorder(true);
3108c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            } else if (dragMode == DRAG_MODE_REORDER) {
3109c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen                cleanupAddToFolder();
3110c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen                cleanupFolderCreation();
3111c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            }
3112c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            mDragMode = dragMode;
3113c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        }
3114c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen    }
3115c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen
3116c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen    private void cleanupFolderCreation() {
3117f172b747c24f28e29baaaf58f08bab48847b7a40Adam Cohen        if (mFolderCreateBg != null) {
3118f172b747c24f28e29baaaf58f08bab48847b7a40Adam Cohen            mFolderCreateBg.animateToRest();
3119f172b747c24f28e29baaaf58f08bab48847b7a40Adam Cohen        }
31208ec05f9fa47f28740f92905a8614118a93835789Adam Cohen        mFolderCreationAlarm.setOnAlarmListener(null);
3121c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        mFolderCreationAlarm.cancelAlarm();
3122c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen    }
3123c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen
3124c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen    private void cleanupAddToFolder() {
3125c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        if (mDragOverFolderIcon != null) {
3126c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            mDragOverFolderIcon.onDragExit(null);
3127c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            mDragOverFolderIcon = null;
3128c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        }
3129c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen    }
3130c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen
3131c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen    private void cleanupReorder(boolean cancelAlarm) {
3132c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        // Any pending reorders are canceled
3133c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        if (cancelAlarm) {
3134c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            mReorderAlarm.cancelAlarm();
3135c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        }
3136c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        mLastReorderX = -1;
3137c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        mLastReorderY = -1;
313831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
313931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
31404516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka   /*
31414516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka    *
31424516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka    * Convert the 2D coordinate xy from the parent View's coordinate space to this CellLayout's
31434516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka    * coordinate space. The argument xy is modified with the return result.
31444516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka    */
3145106bf64f4a5b4b7772c971f62b6207b5a73529a2Sunny Goyal   void mapPointFromSelfToChild(View v, float[] xy) {
31467d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen       xy[0] = xy[0] - v.getLeft();
31477d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen       xy[1] = xy[1] - v.getTop();
31487d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen   }
31497d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen
3150cf25b52763f3fa376aee7c4a63b5a064ca1c0e2aSunny Goyal   boolean isPointInSelfOverHotseat(int x, int y) {
3151cf25b52763f3fa376aee7c4a63b5a064ca1c0e2aSunny Goyal       mTempXY[0] = x;
3152cf25b52763f3fa376aee7c4a63b5a064ca1c0e2aSunny Goyal       mTempXY[1] = y;
3153cf25b52763f3fa376aee7c4a63b5a064ca1c0e2aSunny Goyal       mLauncher.getDragLayer().getDescendantCoordRelativeToSelf(this, mTempXY, true);
31546c2975e7e3fc5dc7cb80f1a2b3e5ffd10e49c2beSunny Goyal       View hotseat = mLauncher.getHotseat();
31556c2975e7e3fc5dc7cb80f1a2b3e5ffd10e49c2beSunny Goyal       return mTempXY[0] >= hotseat.getLeft() &&
31566c2975e7e3fc5dc7cb80f1a2b3e5ffd10e49c2beSunny Goyal               mTempXY[0] <= hotseat.getRight() &&
31576c2975e7e3fc5dc7cb80f1a2b3e5ffd10e49c2beSunny Goyal               mTempXY[1] >= hotseat.getTop() &&
31586c2975e7e3fc5dc7cb80f1a2b3e5ffd10e49c2beSunny Goyal               mTempXY[1] <= hotseat.getBottom();
31594516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka   }
31604516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka
3161c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen   void mapPointFromSelfToHotseatLayout(Hotseat hotseat, float[] xy) {
3162cf25b52763f3fa376aee7c4a63b5a064ca1c0e2aSunny Goyal       mTempXY[0] = (int) xy[0];
3163cf25b52763f3fa376aee7c4a63b5a064ca1c0e2aSunny Goyal       mTempXY[1] = (int) xy[1];
3164cf25b52763f3fa376aee7c4a63b5a064ca1c0e2aSunny Goyal       mLauncher.getDragLayer().getDescendantCoordRelativeToSelf(this, mTempXY, true);
3165cf25b52763f3fa376aee7c4a63b5a064ca1c0e2aSunny Goyal       mLauncher.getDragLayer().mapCoordInSelfToDescendent(hotseat.getLayout(), mTempXY);
31667d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen
3167cf25b52763f3fa376aee7c4a63b5a064ca1c0e2aSunny Goyal       xy[0] = mTempXY[0];
3168cf25b52763f3fa376aee7c4a63b5a064ca1c0e2aSunny Goyal       xy[1] = mTempXY[1];
3169c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen   }
3170c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen
31713d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung   /*
31724516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka    *
31734516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka    * Convert the 2D coordinate xy from this CellLayout's coordinate space to
31744516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka    * the parent View's coordinate space. The argument xy is modified with the return result.
31754516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka    *
31764516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka    */
31774516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka   void mapPointFromChildToSelf(View v, float[] xy) {
31787d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen       xy[0] += v.getLeft();
31797d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen       xy[1] += v.getTop();
31804516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka   }
31814516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka
3182e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen   static private float squaredDistance(float[] point1, float[] point2) {
31834516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka        float distanceX = point1[0] - point2[0];
31844516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka        float distanceY = point2[1] - point2[1];
31854516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka        return distanceX * distanceX + distanceY * distanceY;
3186e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen   }
31870280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka
31884516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka    /*
31894516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka     *
31904516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka     * This method returns the CellLayout that is currently being dragged to. In order to drag
31914516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka     * to a CellLayout, either the touch point must be directly over the CellLayout, or as a second
31924516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka     * strategy, we see if the dragView is overlapping any CellLayout and choose the closest one
31934516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka     *
31944516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka     * Return null if no CellLayout is currently being dragged over
31954516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka     *
31964516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka     */
31974516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka    private CellLayout findMatchingPageForDragOver(
319800618753e9f0ad941c13efb0b6804e4a06ecb076Adam Cohen            DragView dragView, float originX, float originY, boolean exact) {
31994516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka        // We loop through all the screens (ie CellLayouts) and see which ones overlap
32004516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka        // with the item being dragged and then choose the one that's closest to the touch point
3201a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        final int screenCount = getChildCount();
3202a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        CellLayout bestMatchingScreen = null;
32030280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka        float smallestDistSoFar = Float.MAX_VALUE;
32044516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka
3205a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        for (int i = 0; i < screenCount; i++) {
3206df041bc7ad99a6d33a5dd83a5dff28a617fedf12Adam Cohen            // The custom content screen is not a valid drag over option
3207df041bc7ad99a6d33a5dd83a5dff28a617fedf12Adam Cohen            if (mScreenOrder.get(i) == CUSTOM_CONTENT_SCREEN_ID) {
3208df041bc7ad99a6d33a5dd83a5dff28a617fedf12Adam Cohen                continue;
3209df041bc7ad99a6d33a5dd83a5dff28a617fedf12Adam Cohen            }
3210df041bc7ad99a6d33a5dd83a5dff28a617fedf12Adam Cohen
32113d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung            CellLayout cl = (CellLayout) getChildAt(i);
3212a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka
321300618753e9f0ad941c13efb0b6804e4a06ecb076Adam Cohen            final float[] touchXy = {originX, originY};
3214106bf64f4a5b4b7772c971f62b6207b5a73529a2Sunny Goyal            mapPointFromSelfToChild(cl, touchXy);
32154516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka
32164516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka            if (touchXy[0] >= 0 && touchXy[0] <= cl.getWidth() &&
32174516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka                    touchXy[1] >= 0 && touchXy[1] <= cl.getHeight()) {
32184516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka                return cl;
32194516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka            }
32204516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka
322196ef409ebdc798a82786e5dcecfd7d897be0ed30Winson Chung            if (!exact) {
32224516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka                // Get the center of the cell layout in screen coordinates
32234516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka                final float[] cellLayoutCenter = mTempCellLayoutCenterCoordinates;
32244516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka                cellLayoutCenter[0] = cl.getWidth()/2;
32254516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka                cellLayoutCenter[1] = cl.getHeight()/2;
32264516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka                mapPointFromChildToSelf(cl, cellLayoutCenter);
32274516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka
322800618753e9f0ad941c13efb0b6804e4a06ecb076Adam Cohen                touchXy[0] = originX;
322900618753e9f0ad941c13efb0b6804e4a06ecb076Adam Cohen                touchXy[1] = originY;
32304516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka
32314516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka                // Calculate the distance between the center of the CellLayout
32324516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka                // and the touch point
32334516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka                float dist = squaredDistance(touchXy, cellLayoutCenter);
32344516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka
32354516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka                if (dist < smallestDistSoFar) {
32360280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka                    smallestDistSoFar = dist;
3237a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                    bestMatchingScreen = cl;
3238a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                }
32394516c11039d77066281f69f9b5d30fdaf1bc05aeMichael Jurka            }
3240a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        }
3241a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        return bestMatchingScreen;
3242a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka    }
3243a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka
3244ea359c6aee44c0fe3bb94f7002c3b49208b32b7fWinson Chung    private boolean isDragWidget(DragObject d) {
3245ea359c6aee44c0fe3bb94f7002c3b49208b32b7fWinson Chung        return (d.dragInfo instanceof LauncherAppWidgetInfo ||
3246ea359c6aee44c0fe3bb94f7002c3b49208b32b7fWinson Chung                d.dragInfo instanceof PendingAddWidgetInfo);
3247ea359c6aee44c0fe3bb94f7002c3b49208b32b7fWinson Chung    }
3248ea359c6aee44c0fe3bb94f7002c3b49208b32b7fWinson Chung
3249cb3382b1bfe1a534b1b44f5c4def9b2db605ac90Adam Cohen    public void onDragOver(DragObject d) {
3250c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung        // Skip drag over events while we are dragging over side pages
32516c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen        if (mInScrollArea || !transitionStateShouldAllowDrop()) return;
3252c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung
32533d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        CellLayout layout = null;
3254aa8ef119f18864f4ab41c12f9c2ad6d7f643a0a9Sunny Goyal        ItemInfo item = d.dragInfo;
325525611b181f19a302fc6fa1aa1489ee1585c11316Sunny Goyal        if (item == null) {
32566c56c68555dcb3d99b05d5faecd582a1f683cc92Sunny Goyal            if (ProviderConfig.IS_DOGFOOD_BUILD) {
325725611b181f19a302fc6fa1aa1489ee1585c11316Sunny Goyal                throw new NullPointerException("DragObject has null info");
325825611b181f19a302fc6fa1aa1489ee1585c11316Sunny Goyal            }
325925611b181f19a302fc6fa1aa1489ee1585c11316Sunny Goyal            return;
326025611b181f19a302fc6fa1aa1489ee1585c11316Sunny Goyal        }
3261c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung
3262c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung        // Ensure that we have proper spans for the item that we are dropping
3263c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung        if (item.spanX < 0 || item.spanY < 0) throw new RuntimeException("Improper spans found");
32641587d5362f5a66e005aa36fdfc7082c34b8ea3b7Sunny Goyal        mDragViewVisualCenter = d.getVisualCenter(mDragViewVisualCenter);
326500618753e9f0ad941c13efb0b6804e4a06ecb076Adam Cohen
3266482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen        final View child = (mDragInfo == null) ? null : mDragInfo.cell;
3267c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung        // Identify whether we have dragged over a side page
32686c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen        if (workspaceInModalState()) {
3269e49a97aba08ac5a5a3de2c09cc2ae027a13f7d75Sunny Goyal            if (mLauncher.getHotseat() != null && !isDragWidget(d)) {
3270cf25b52763f3fa376aee7c4a63b5a064ca1c0e2aSunny Goyal                if (isPointInSelfOverHotseat(d.x, d.y)) {
32714afe9b31f51022538b30646fe83780e83bf22490Winson Chung                    layout = mLauncher.getHotseat().getLayout();
32724afe9b31f51022538b30646fe83780e83bf22490Winson Chung                }
32734afe9b31f51022538b30646fe83780e83bf22490Winson Chung            }
32744afe9b31f51022538b30646fe83780e83bf22490Winson Chung            if (layout == null) {
327596ef409ebdc798a82786e5dcecfd7d897be0ed30Winson Chung                layout = findMatchingPageForDragOver(d.dragView, d.x, d.y, false);
32764afe9b31f51022538b30646fe83780e83bf22490Winson Chung            }
3277c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung            if (layout != mDragTargetLayout) {
3278c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen                setCurrentDropLayout(layout);
3279c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen                setCurrentDragOverlappingLayout(layout);
3280c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung
3281d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka                boolean isInSpringLoadedMode = (mState == State.SPRING_LOADED);
3282c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung                if (isInSpringLoadedMode) {
32834afe9b31f51022538b30646fe83780e83bf22490Winson Chung                    if (mLauncher.isHotseatLayout(layout)) {
32844afe9b31f51022538b30646fe83780e83bf22490Winson Chung                        mSpringLoadedDragController.cancel();
32854afe9b31f51022538b30646fe83780e83bf22490Winson Chung                    } else {
32864afe9b31f51022538b30646fe83780e83bf22490Winson Chung                        mSpringLoadedDragController.setAlarm(mDragTargetLayout);
32874afe9b31f51022538b30646fe83780e83bf22490Winson Chung                    }
3288d3ef3065ab0941567c45e9aec98783138b623c68Michael Jurka                }
3289d3ef3065ab0941567c45e9aec98783138b623c68Michael Jurka            }
3290c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung        } else {
32913d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung            // Test to see if we are over the hotseat otherwise just use the current page
3292ea359c6aee44c0fe3bb94f7002c3b49208b32b7fWinson Chung            if (mLauncher.getHotseat() != null && !isDragWidget(d)) {
3293cf25b52763f3fa376aee7c4a63b5a064ca1c0e2aSunny Goyal                if (isPointInSelfOverHotseat(d.x, d.y)) {
32943d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung                    layout = mLauncher.getHotseat().getLayout();
32953d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung                }
32963d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung            }
32973d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung            if (layout == null) {
32983d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung                layout = getCurrentDropLayout();
32993d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung            }
3300c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung            if (layout != mDragTargetLayout) {
3301c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen                setCurrentDropLayout(layout);
3302c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen                setCurrentDragOverlappingLayout(layout);
3303c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung            }
3304c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung        }
3305a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka
3306c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung        // Handle the drag over
3307c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung        if (mDragTargetLayout != null) {
3308c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung            // We want the point to be mapped to the dragTarget.
33093d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung            if (mLauncher.isHotseatLayout(mDragTargetLayout)) {
3310c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen                mapPointFromSelfToHotseatLayout(mLauncher.getHotseat(), mDragViewVisualCenter);
33113d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung            } else {
3312106bf64f4a5b4b7772c971f62b6207b5a73529a2Sunny Goyal                mapPointFromSelfToChild(mDragTargetLayout, mDragViewVisualCenter);
33133d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung            }
3314c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen
331574c5491d1b84e072d29065748b41f0bb67459f59Adam Cohen            int minSpanX = item.spanX;
331674c5491d1b84e072d29065748b41f0bb67459f59Adam Cohen            int minSpanY = item.spanY;
331774c5491d1b84e072d29065748b41f0bb67459f59Adam Cohen            if (item.minSpanX > 0 && item.minSpanY > 0) {
331874c5491d1b84e072d29065748b41f0bb67459f59Adam Cohen                minSpanX = item.minSpanX;
331974c5491d1b84e072d29065748b41f0bb67459f59Adam Cohen                minSpanY = item.minSpanY;
332074c5491d1b84e072d29065748b41f0bb67459f59Adam Cohen            }
332174c5491d1b84e072d29065748b41f0bb67459f59Adam Cohen
3322c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung            mTargetCell = findNearestArea((int) mDragViewVisualCenter[0],
332374c5491d1b84e072d29065748b41f0bb67459f59Adam Cohen                    (int) mDragViewVisualCenter[1], minSpanX, minSpanY,
3324d024f9845a0974ab525baad085f316031cd5a742Adam Cohen                    mDragTargetLayout, mTargetCell);
332574c5491d1b84e072d29065748b41f0bb67459f59Adam Cohen            int reorderX = mTargetCell[0];
332674c5491d1b84e072d29065748b41f0bb67459f59Adam Cohen            int reorderY = mTargetCell[1];
3327c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen
3328c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            setCurrentDropOverCell(mTargetCell[0], mTargetCell[1]);
3329c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen
3330482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen            float targetCellDistance = mDragTargetLayout.getDistanceFromCell(
3331482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                    mDragViewVisualCenter[0], mDragViewVisualCenter[1], mTargetCell);
3332482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen
3333e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal            manageFolderFeedback(mDragTargetLayout, mTargetCell, targetCellDistance, d);
3334c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung
3335c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            boolean nearestDropOccupied = mDragTargetLayout.isNearestDropLocationOccupied((int)
3336c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen                    mDragViewVisualCenter[0], (int) mDragViewVisualCenter[1], item.spanX,
3337c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen                    item.spanY, child, mTargetCell);
3338c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen
3339c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            if (!nearestDropOccupied) {
334019f3792523fe2d55ea791a9286398a6120920690Adam Cohen                mDragTargetLayout.visualizeDropLocation(child, mDragOutline,
3341e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal                        mTargetCell[0], mTargetCell[1], item.spanX, item.spanY, false, d);
3342c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            } else if ((mDragMode == DRAG_MODE_NONE || mDragMode == DRAG_MODE_REORDER)
334374c5491d1b84e072d29065748b41f0bb67459f59Adam Cohen                    && !mReorderAlarm.alarmPending() && (mLastReorderX != reorderX ||
334474c5491d1b84e072d29065748b41f0bb67459f59Adam Cohen                    mLastReorderY != reorderY)) {
3345d024f9845a0974ab525baad085f316031cd5a742Adam Cohen
3346fa3c58f647e603760c0bd929166c0edee25675a9Adam Cohen                int[] resultSpan = new int[2];
3347fa3c58f647e603760c0bd929166c0edee25675a9Adam Cohen                mDragTargetLayout.performReorder((int) mDragViewVisualCenter[0],
3348fa3c58f647e603760c0bd929166c0edee25675a9Adam Cohen                        (int) mDragViewVisualCenter[1], minSpanX, minSpanY, item.spanX, item.spanY,
3349fa3c58f647e603760c0bd929166c0edee25675a9Adam Cohen                        child, mTargetCell, resultSpan, CellLayout.MODE_SHOW_REORDER_HINT);
3350fa3c58f647e603760c0bd929166c0edee25675a9Adam Cohen
335119f3792523fe2d55ea791a9286398a6120920690Adam Cohen                // Otherwise, if we aren't adding to or creating a folder and there's no pending
335219f3792523fe2d55ea791a9286398a6120920690Adam Cohen                // reorder, then we schedule a reorder
3353482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                ReorderAlarmListener listener = new ReorderAlarmListener(mDragViewVisualCenter,
3354e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal                        minSpanX, minSpanY, item.spanX, item.spanY, d, child);
3355482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                mReorderAlarm.setOnAlarmListener(listener);
3356482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                mReorderAlarm.setAlarm(REORDER_TIMEOUT);
3357c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            }
3358c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen
3359c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            if (mDragMode == DRAG_MODE_CREATE_FOLDER || mDragMode == DRAG_MODE_ADD_TO_FOLDER ||
3360c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen                    !nearestDropOccupied) {
3361c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen                if (mDragTargetLayout != null) {
3362c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen                    mDragTargetLayout.revertTempState();
3363d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                }
3364482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen            }
3365c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung        }
3366c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung    }
3367c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung
3368e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal    private void manageFolderFeedback(CellLayout targetLayout,
3369e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal            int[] targetCell, float distance, DragObject dragObject) {
3370e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal        if (distance > mMaxDistanceForFolderCreation) return;
3371e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal
3372e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal        final View dragOverView = mDragTargetLayout.getChildAt(mTargetCell[0], mTargetCell[1]);
33739d4380856ff41ecb26c0d5aee1747b6060d2ef0eSunny Goyal        ItemInfo info = dragObject.dragInfo;
3374e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal        boolean userFolderPending = willCreateUserFolder(info, dragOverView, false);
3375c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        if (mDragMode == DRAG_MODE_NONE && userFolderPending &&
3376c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen                !mFolderCreationAlarm.alarmPending()) {
3377c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen
3378c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen            FolderCreationAlarmListener listener = new
3379c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen                    FolderCreationAlarmListener(targetLayout, targetCell[0], targetCell[1]);
3380c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen
3381e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal            if (!dragObject.accessibleDrag) {
3382c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen                mFolderCreationAlarm.setOnAlarmListener(listener);
3383c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen                mFolderCreationAlarm.setAlarm(FOLDER_CREATION_TIMEOUT);
3384c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen            } else {
3385c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen                listener.onAlarm(mFolderCreationAlarm);
3386c9735cff2e558aa3f3810e49c15ef13049b9429cAdam Cohen            }
3387e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal
3388e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal            if (dragObject.stateAnnouncer != null) {
3389e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal                dragObject.stateAnnouncer.announce(WorkspaceAccessibilityHelper
3390e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal                        .getDescriptionForDropOver(dragOverView, getContext()));
3391e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal            }
3392c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            return;
3393482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen        }
3394482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen
3395e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal        boolean willAddToFolder = willAddToExistingUserFolder(info, dragOverView);
3396482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen        if (willAddToFolder && mDragMode == DRAG_MODE_NONE) {
3397c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            mDragOverFolderIcon = ((FolderIcon) dragOverView);
3398c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            mDragOverFolderIcon.onDragEnter(info);
3399482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen            if (targetLayout != null) {
3400482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                targetLayout.clearDragOutlines();
3401482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen            }
3402c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            setDragMode(DRAG_MODE_ADD_TO_FOLDER);
3403e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal
3404e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal            if (dragObject.stateAnnouncer != null) {
3405e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal                dragObject.stateAnnouncer.announce(WorkspaceAccessibilityHelper
3406e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal                        .getDescriptionForDropOver(dragOverView, getContext()));
3407e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal            }
3408c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            return;
3409482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen        }
3410482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen
3411c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        if (mDragMode == DRAG_MODE_ADD_TO_FOLDER && !willAddToFolder) {
3412c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            setDragMode(DRAG_MODE_NONE);
3413c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung        }
3414c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        if (mDragMode == DRAG_MODE_CREATE_FOLDER && !userFolderPending) {
3415c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            setDragMode(DRAG_MODE_NONE);
3416976ebec9e31643d3513f9f0de2b433d9aa186ce9Patrick Dubroy        }
3417c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen    }
3418c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen
341919072da7441e07d5e90026d9e9e1b38f11245e44Adam Cohen    class FolderCreationAlarmListener implements OnAlarmListener {
342069ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen        CellLayout layout;
342169ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen        int cellX;
342269ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen        int cellY;
342319072da7441e07d5e90026d9e9e1b38f11245e44Adam Cohen
3424f172b747c24f28e29baaaf58f08bab48847b7a40Adam Cohen        FolderIcon.PreviewBackground bg = new FolderIcon.PreviewBackground();
3425f172b747c24f28e29baaaf58f08bab48847b7a40Adam Cohen
342669ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen        public FolderCreationAlarmListener(CellLayout layout, int cellX, int cellY) {
342769ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen            this.layout = layout;
342869ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen            this.cellX = cellX;
342969ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen            this.cellY = cellY;
3430efca0279eb927faebffc38c8382818df67fcd159Adam Cohen
3431efca0279eb927faebffc38c8382818df67fcd159Adam Cohen            DeviceProfile grid = mLauncher.getDeviceProfile();
3432efca0279eb927faebffc38c8382818df67fcd159Adam Cohen            BubbleTextView cell = (BubbleTextView) layout.getChildAt(cellX, cellY);
3433efca0279eb927faebffc38c8382818df67fcd159Adam Cohen
3434f172b747c24f28e29baaaf58f08bab48847b7a40Adam Cohen            bg.setup(getResources().getDisplayMetrics(), grid, null,
3435efca0279eb927faebffc38c8382818df67fcd159Adam Cohen                    cell.getMeasuredWidth(), cell.getPaddingTop());
3436f172b747c24f28e29baaaf58f08bab48847b7a40Adam Cohen
3437f172b747c24f28e29baaaf58f08bab48847b7a40Adam Cohen            // The full preview background should appear behind the icon
3438f172b747c24f28e29baaaf58f08bab48847b7a40Adam Cohen            bg.isClipping = false;
343919072da7441e07d5e90026d9e9e1b38f11245e44Adam Cohen        }
344019072da7441e07d5e90026d9e9e1b38f11245e44Adam Cohen
344119072da7441e07d5e90026d9e9e1b38f11245e44Adam Cohen        public void onAlarm(Alarm alarm) {
3442f172b747c24f28e29baaaf58f08bab48847b7a40Adam Cohen            mFolderCreateBg = bg;
3443efca0279eb927faebffc38c8382818df67fcd159Adam Cohen            mFolderCreateBg.animateToAccept(layout, cellX, cellY);
344469ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen            layout.clearDragOutlines();
3445c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            setDragMode(DRAG_MODE_CREATE_FOLDER);
3446482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen        }
3447482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen    }
3448482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen
3449482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen    class ReorderAlarmListener implements OnAlarmListener {
3450482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen        float[] dragViewCenter;
3451482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen        int minSpanX, minSpanY, spanX, spanY;
3452e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal        DragObject dragObject;
3453482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen        View child;
3454482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen
3455482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen        public ReorderAlarmListener(float[] dragViewCenter, int minSpanX, int minSpanY, int spanX,
3456e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal                int spanY, DragObject dragObject, View child) {
3457482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen            this.dragViewCenter = dragViewCenter;
3458482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen            this.minSpanX = minSpanX;
3459482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen            this.minSpanY = minSpanY;
3460482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen            this.spanX = spanX;
3461482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen            this.spanY = spanY;
3462482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen            this.child = child;
3463e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal            this.dragObject = dragObject;
3464482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen        }
3465482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen
3466482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen        public void onAlarm(Alarm alarm) {
3467482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen            int[] resultSpan = new int[2];
346819f3792523fe2d55ea791a9286398a6120920690Adam Cohen            mTargetCell = findNearestArea((int) mDragViewVisualCenter[0],
346974c5491d1b84e072d29065748b41f0bb67459f59Adam Cohen                    (int) mDragViewVisualCenter[1], minSpanX, minSpanY, mDragTargetLayout,
347074c5491d1b84e072d29065748b41f0bb67459f59Adam Cohen                    mTargetCell);
347119f3792523fe2d55ea791a9286398a6120920690Adam Cohen            mLastReorderX = mTargetCell[0];
347219f3792523fe2d55ea791a9286398a6120920690Adam Cohen            mLastReorderY = mTargetCell[1];
347319f3792523fe2d55ea791a9286398a6120920690Adam Cohen
3474fa3c58f647e603760c0bd929166c0edee25675a9Adam Cohen            mTargetCell = mDragTargetLayout.performReorder((int) mDragViewVisualCenter[0],
3475482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                (int) mDragViewVisualCenter[1], minSpanX, minSpanY, spanX, spanY,
3476482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                child, mTargetCell, resultSpan, CellLayout.MODE_DRAG_OVER);
3477482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen
347819f3792523fe2d55ea791a9286398a6120920690Adam Cohen            if (mTargetCell[0] < 0 || mTargetCell[1] < 0) {
347919f3792523fe2d55ea791a9286398a6120920690Adam Cohen                mDragTargetLayout.revertTempState();
3480c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            } else {
3481c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen                setDragMode(DRAG_MODE_REORDER);
348219f3792523fe2d55ea791a9286398a6120920690Adam Cohen            }
3483482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen
3484482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen            boolean resize = resultSpan[0] != spanX || resultSpan[1] != spanY;
3485482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen            mDragTargetLayout.visualizeDropLocation(child, mDragOutline,
3486e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal                mTargetCell[0], mTargetCell[1], resultSpan[0], resultSpan[1], resize, dragObject);
348719072da7441e07d5e90026d9e9e1b38f11245e44Adam Cohen        }
348819072da7441e07d5e90026d9e9e1b38f11245e44Adam Cohen    }
348919072da7441e07d5e90026d9e9e1b38f11245e44Adam Cohen
3490a34abf8c781485b788fddacb352d586bffca886cWinson Chung    @Override
34917d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen    public void getHitRectRelativeToDragLayer(Rect outRect) {
3492a34abf8c781485b788fddacb352d586bffca886cWinson Chung        // We want the workspace to have the whole area of the display (it will find the correct
3493a34abf8c781485b788fddacb352d586bffca886cWinson Chung        // cell layout to drop to in the existing drag/drop logic.
34947d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen        mLauncher.getDragLayer().getDescendantRectRelativeToSelf(this, outRect);
3495a34abf8c781485b788fddacb352d586bffca886cWinson Chung    }
3496a34abf8c781485b788fddacb352d586bffca886cWinson Chung
34972b9ff37edb3f5965559b3ff7d37e418b4a2917a1Patrick Dubroy    /**
3498120980bd00f5eecec5717f49a3d7db96571025a9Adam Cohen     * Drop an item that didn't originate on one of the workspace screens.
3499120980bd00f5eecec5717f49a3d7db96571025a9Adam Cohen     * It may have come from Launcher (e.g. from all apps or customize), or it may have
3500120980bd00f5eecec5717f49a3d7db96571025a9Adam Cohen     * come from another app altogether.
3501120980bd00f5eecec5717f49a3d7db96571025a9Adam Cohen     *
3502120980bd00f5eecec5717f49a3d7db96571025a9Adam Cohen     * NOTE: This can also be called when we are outside of a drag event, when we want
3503120980bd00f5eecec5717f49a3d7db96571025a9Adam Cohen     * to add an item to one of the workspace screens.
3504120980bd00f5eecec5717f49a3d7db96571025a9Adam Cohen     */
3505aa8ef119f18864f4ab41c12f9c2ad6d7f643a0a9Sunny Goyal    private void onDropExternal(final int[] touchXY, final ItemInfo dragInfo,
3506557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung            final CellLayout cellLayout, boolean insertAtFirst, DragObject d) {
3507557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung        final Runnable exitSpringLoadedRunnable = new Runnable() {
3508557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung            @Override
3509557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung            public void run() {
3510689ff16ea27fb7c22c247aaf4f42ffe42fede253Adam Cohen                mLauncher.exitSpringLoadedDragModeDelayed(true,
3511689ff16ea27fb7c22c247aaf4f42ffe42fede253Adam Cohen                        Launcher.EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT, null);
3512557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung            }
3513557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung        };
3514b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen
3515aa8ef119f18864f4ab41c12f9c2ad6d7f643a0a9Sunny Goyal        ItemInfo info = dragInfo;
3516b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen        int spanX = info.spanX;
3517b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen        int spanY = info.spanY;
3518b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen        if (mDragInfo != null) {
3519b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen            spanX = mDragInfo.spanX;
3520b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen            spanY = mDragInfo.spanY;
3521b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen        }
3522b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen
35233d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        final long container = mLauncher.isHotseatLayout(cellLayout) ?
35243d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung                LauncherSettings.Favorites.CONTAINER_HOTSEAT :
35253d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung                    LauncherSettings.Favorites.CONTAINER_DESKTOP;
3526dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen        final long screenId = getIdForScreen(cellLayout);
3527dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen        if (!mLauncher.isHotseatLayout(cellLayout)
3528dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen                && screenId != getScreenIdForPageIndex(mCurrentPage)
35293d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung                && mState != State.SPRING_LOADED) {
3530dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen            snapToScreenId(screenId, null);
353176078c4ef35b6e95fb6d8129a32cf52a36625e28Adam Cohen        }
3532b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen
3533b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen        if (info instanceof PendingAddItemInfo) {
3534b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen            final PendingAddItemInfo pendingInfo = (PendingAddItemInfo) dragInfo;
3535b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen
3536558baaf0a0b1c6a9062a6771088098533a35222bAdam Cohen            boolean findNearestVacantCell = true;
3537558baaf0a0b1c6a9062a6771088098533a35222bAdam Cohen            if (pendingInfo.itemType == LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT) {
3538558baaf0a0b1c6a9062a6771088098533a35222bAdam Cohen                mTargetCell = findNearestArea((int) touchXY[0], (int) touchXY[1], spanX, spanY,
3539558baaf0a0b1c6a9062a6771088098533a35222bAdam Cohen                        cellLayout, mTargetCell);
3540482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                float distance = cellLayout.getDistanceFromCell(mDragViewVisualCenter[0],
3541482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                        mDragViewVisualCenter[1], mTargetCell);
3542aa8ef119f18864f4ab41c12f9c2ad6d7f643a0a9Sunny Goyal                if (willCreateUserFolder(d.dragInfo, cellLayout, mTargetCell, distance, true)
3543aa8ef119f18864f4ab41c12f9c2ad6d7f643a0a9Sunny Goyal                        || willAddToExistingUserFolder(
3544aa8ef119f18864f4ab41c12f9c2ad6d7f643a0a9Sunny Goyal                                d.dragInfo, cellLayout, mTargetCell, distance)) {
3545558baaf0a0b1c6a9062a6771088098533a35222bAdam Cohen                    findNearestVacantCell = false;
3546558baaf0a0b1c6a9062a6771088098533a35222bAdam Cohen                }
3547558baaf0a0b1c6a9062a6771088098533a35222bAdam Cohen            }
3548482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen
3549aa8ef119f18864f4ab41c12f9c2ad6d7f643a0a9Sunny Goyal            final ItemInfo item = d.dragInfo;
3550aaa5c21ee2e03def644fb6ba8eadbb59873ddd45Adam Cohen            boolean updateWidgetSize = false;
3551558baaf0a0b1c6a9062a6771088098533a35222bAdam Cohen            if (findNearestVacantCell) {
3552482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                int minSpanX = item.spanX;
3553482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                int minSpanY = item.spanY;
3554482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                if (item.minSpanX > 0 && item.minSpanY > 0) {
3555482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                    minSpanX = item.minSpanX;
3556482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                    minSpanY = item.minSpanY;
3557482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                }
3558d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                int[] resultSpan = new int[2];
3559fa3c58f647e603760c0bd929166c0edee25675a9Adam Cohen                mTargetCell = cellLayout.performReorder((int) mDragViewVisualCenter[0],
3560482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                        (int) mDragViewVisualCenter[1], minSpanX, minSpanY, info.spanX, info.spanY,
3561482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                        null, mTargetCell, resultSpan, CellLayout.MODE_ON_DROP_EXTERNAL);
35629e05a5ea951b4d5ffce324da8dd0656353306e6fAdam Cohen
35639e05a5ea951b4d5ffce324da8dd0656353306e6fAdam Cohen                if (resultSpan[0] != item.spanX || resultSpan[1] != item.spanY) {
35649e05a5ea951b4d5ffce324da8dd0656353306e6fAdam Cohen                    updateWidgetSize = true;
35659e05a5ea951b4d5ffce324da8dd0656353306e6fAdam Cohen                }
3566d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                item.spanX = resultSpan[0];
3567d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                item.spanY = resultSpan[1];
3568558baaf0a0b1c6a9062a6771088098533a35222bAdam Cohen            }
3569558baaf0a0b1c6a9062a6771088098533a35222bAdam Cohen
3570b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen            Runnable onAnimationCompleteRunnable = new Runnable() {
3571557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung                @Override
3572557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung                public void run() {
3573689ff16ea27fb7c22c247aaf4f42ffe42fede253Adam Cohen                    // Normally removeExtraEmptyScreen is called in Workspace#onDragEnd, but when
3574689ff16ea27fb7c22c247aaf4f42ffe42fede253Adam Cohen                    // adding an item that may not be dropped right away (due to a config activity)
3575689ff16ea27fb7c22c247aaf4f42ffe42fede253Adam Cohen                    // we defer the removal until the activity returns.
3576689ff16ea27fb7c22c247aaf4f42ffe42fede253Adam Cohen                    deferRemoveExtraEmptyScreen();
3577689ff16ea27fb7c22c247aaf4f42ffe42fede253Adam Cohen
3578557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung                    // When dragging and dropping from customization tray, we deal with creating
3579557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung                    // widgets/shortcuts/folders in a slightly different way
358071b5c0b988a64b3a0613ded5403749bc537ee8a5Sunny Goyal                    mLauncher.addPendingItem(pendingInfo, container, screenId, mTargetCell,
358171b5c0b988a64b3a0613ded5403749bc537ee8a5Sunny Goyal                            item.spanX, item.spanY);
3582557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung                }
3583b7e1618c627c6471c565f4f599228648d9e70a10Adam Cohen            };
35845940042d39b576553c2499bcf3d0641281e6ad52Adam Cohen            boolean isWidget = pendingInfo.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET
35855940042d39b576553c2499bcf3d0641281e6ad52Adam Cohen                    || pendingInfo.itemType == LauncherSettings.Favorites.ITEM_TYPE_CUSTOM_APPWIDGET;
35865940042d39b576553c2499bcf3d0641281e6ad52Adam Cohen
3587b740f59c7d572d54402e3a74fb2a23c0f1b1af48Sunny Goyal            AppWidgetHostView finalView = isWidget ?
3588b740f59c7d572d54402e3a74fb2a23c0f1b1af48Sunny Goyal                    ((PendingAddWidgetInfo) pendingInfo).boundWidget : null;
35899e05a5ea951b4d5ffce324da8dd0656353306e6fAdam Cohen
3590b740f59c7d572d54402e3a74fb2a23c0f1b1af48Sunny Goyal            if (finalView != null && updateWidgetSize) {
3591b740f59c7d572d54402e3a74fb2a23c0f1b1af48Sunny Goyal                AppWidgetResizeFrame.updateWidgetSizeRanges(finalView, mLauncher, item.spanX,
35929e05a5ea951b4d5ffce324da8dd0656353306e6fAdam Cohen                        item.spanY);
35939e05a5ea951b4d5ffce324da8dd0656353306e6fAdam Cohen            }
35949e05a5ea951b4d5ffce324da8dd0656353306e6fAdam Cohen
3595d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen            int animationStyle = ANIMATE_INTO_POSITION_AND_DISAPPEAR;
35965940042d39b576553c2499bcf3d0641281e6ad52Adam Cohen            if (isWidget && ((PendingAddWidgetInfo) pendingInfo).info != null &&
3597d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                    ((PendingAddWidgetInfo) pendingInfo).info.configure != null) {
3598d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                animationStyle = ANIMATE_INTO_POSITION_AND_REMAIN;
3599d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen            }
3600d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen            animateWidgetDrop(info, cellLayout, d.dragView, onAnimationCompleteRunnable,
3601d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                    animationStyle, finalView, true);
36029c6de3d7c3e7d40e1e443b6fd69e3077ab9e9673Michael Jurka        } else {
36039c6de3d7c3e7d40e1e443b6fd69e3077ab9e9673Michael Jurka            // This is for other drag/drop cases, like dragging from All Apps
36049c6de3d7c3e7d40e1e443b6fd69e3077ab9e9673Michael Jurka            View view = null;
360531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
36069c6de3d7c3e7d40e1e443b6fd69e3077ab9e9673Michael Jurka            switch (info.itemType) {
36079c6de3d7c3e7d40e1e443b6fd69e3077ab9e9673Michael Jurka            case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION:
36089c6de3d7c3e7d40e1e443b6fd69e3077ab9e9673Michael Jurka            case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT:
3609bfbf7f9f4a0b300613f0ff27a4eb592d88c08325Tony Wickham            case LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT:
3610eadbfc564d84aaf1d800da3d0d6edf6312f89648Michael Jurka                if (info.container == NO_ID && info instanceof AppInfo) {
36119c6de3d7c3e7d40e1e443b6fd69e3077ab9e9673Michael Jurka                    // Came from all apps -- make a copy
361271b5c0b988a64b3a0613ded5403749bc537ee8a5Sunny Goyal                    info = ((AppInfo) info).makeShortcut();
36139c6de3d7c3e7d40e1e443b6fd69e3077ab9e9673Michael Jurka                }
3614dfaccf64bd59343de483b12eee6db61c960aedceSunny Goyal                view = mLauncher.createShortcut(cellLayout, (ShortcutInfo) info);
36159c6de3d7c3e7d40e1e443b6fd69e3077ab9e9673Michael Jurka                break;
3616df2cc41acbfacd576f99483a4af1cda32ebd3d09Adam Cohen            case LauncherSettings.Favorites.ITEM_TYPE_FOLDER:
3617c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen                view = FolderIcon.fromXml(R.layout.folder_icon, mLauncher, cellLayout,
3618c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen                        (FolderInfo) info, mIconCache);
36199c6de3d7c3e7d40e1e443b6fd69e3077ab9e9673Michael Jurka                break;
36209c6de3d7c3e7d40e1e443b6fd69e3077ab9e9673Michael Jurka            default:
36219c6de3d7c3e7d40e1e443b6fd69e3077ab9e9673Michael Jurka                throw new IllegalStateException("Unknown item type: " + info.itemType);
36229c6de3d7c3e7d40e1e443b6fd69e3077ab9e9673Michael Jurka            }
362331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
3624c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen            // First we find the cell nearest to point at which the item is
3625c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen            // dropped, without any consideration to whether there is an item there.
3626c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen            if (touchXY != null) {
3627c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen                mTargetCell = findNearestArea((int) touchXY[0], (int) touchXY[1], spanX, spanY,
3628c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen                        cellLayout, mTargetCell);
3629482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                float distance = cellLayout.getDistanceFromCell(mDragViewVisualCenter[0],
3630482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                        mDragViewVisualCenter[1], mTargetCell);
3631557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung                d.postAnimationRunnable = exitSpringLoadedRunnable;
3632482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                if (createUserFolderIfNecessary(view, container, cellLayout, mTargetCell, distance,
3633482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                        true, d.dragView, d.postAnimationRunnable)) {
3634c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen                    return;
3635c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen                }
3636482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                if (addToExistingFolderIfNecessary(view, cellLayout, mTargetCell, distance, d,
3637482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                        true)) {
3638c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen                    return;
3639c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen                }
364010b1737910ea7890ca95bbbe5363fd5aa513b856Adam Cohen            }
364110b1737910ea7890ca95bbbe5363fd5aa513b856Adam Cohen
3642c4e772e4b3f21bde342e475ebc49b5b76b8f74e8Michael Jurka            if (touchXY != null) {
36439c6de3d7c3e7d40e1e443b6fd69e3077ab9e9673Michael Jurka                // when dragging and dropping, just find the closest free spot
3644fa3c58f647e603760c0bd929166c0edee25675a9Adam Cohen                mTargetCell = cellLayout.performReorder((int) mDragViewVisualCenter[0],
3645482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen                        (int) mDragViewVisualCenter[1], 1, 1, 1, 1,
3646ea889a294be004f4b1c21e9b874f9e63abfb8bd6Adam Cohen                        null, mTargetCell, null, CellLayout.MODE_ON_DROP_EXTERNAL);
36479c6de3d7c3e7d40e1e443b6fd69e3077ab9e9673Michael Jurka            } else {
36489c6de3d7c3e7d40e1e443b6fd69e3077ab9e9673Michael Jurka                cellLayout.findCellForSpan(mTargetCell, 1, 1);
364931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            }
365095abbb330ce9bbaf23594245f0f8a795c8118038Sunny Goyal            // Add the item to DB before adding to screen ensures that the container and other
365195abbb330ce9bbaf23594245f0f8a795c8118038Sunny Goyal            // values of the info is properly updated.
365295abbb330ce9bbaf23594245f0f8a795c8118038Sunny Goyal            LauncherModel.addOrMoveItemInDatabase(mLauncher, info, container, screenId,
365395abbb330ce9bbaf23594245f0f8a795c8118038Sunny Goyal                    mTargetCell[0], mTargetCell[1]);
365495abbb330ce9bbaf23594245f0f8a795c8118038Sunny Goyal
3655dcd297f05a866e07090d6e2af8fb4b15f28cb555Adam Cohen            addInScreen(view, container, screenId, mTargetCell[0], mTargetCell[1], info.spanX,
36563d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung                    info.spanY, insertAtFirst);
3657716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen            cellLayout.onDropChild(view);
3658a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka            cellLayout.getShortcutsAndWidgets().measureChild(view);
3659d5e42733799817d11d739b0a882da8dda721126dAdam Cohen
36603e8f811f31a2275e778244427271f77f4116c08bAdam Cohen            if (d.dragView != null) {
36614b285c5a60028f7c9ce39cfb318a730d0ae95c27Adam Cohen                // We wrap the animation call in the temporary set and reset of the current
36624b285c5a60028f7c9ce39cfb318a730d0ae95c27Adam Cohen                // cellLayout to its final transform -- this means we animate the drag view to
36634b285c5a60028f7c9ce39cfb318a730d0ae95c27Adam Cohen                // the correct final location.
36644b285c5a60028f7c9ce39cfb318a730d0ae95c27Adam Cohen                setFinalTransitionTransform(cellLayout);
3665557d6ed50cc6560163440aa134870ef0bb11415bWinson Chung                mLauncher.getDragLayer().animateViewIntoPosition(d.dragView, view,
366628f852ab678d9750879b6d3549bf5da176cf1225Adam Cohen                        exitSpringLoadedRunnable, this);
36674b285c5a60028f7c9ce39cfb318a730d0ae95c27Adam Cohen                resetTransitionTransform(cellLayout);
36684b285c5a60028f7c9ce39cfb318a730d0ae95c27Adam Cohen            }
36694b285c5a60028f7c9ce39cfb318a730d0ae95c27Adam Cohen        }
36704b285c5a60028f7c9ce39cfb318a730d0ae95c27Adam Cohen    }
36714b285c5a60028f7c9ce39cfb318a730d0ae95c27Adam Cohen
3672d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen    public Bitmap createWidgetBitmap(ItemInfo widgetInfo, View layout) {
36735b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal        int[] unScaledSize = mLauncher.getWorkspace().estimateItemSize(widgetInfo, false);
3674d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen        int visibility = layout.getVisibility();
3675ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen        layout.setVisibility(VISIBLE);
3676ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen
3677ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen        int width = MeasureSpec.makeMeasureSpec(unScaledSize[0], MeasureSpec.EXACTLY);
3678ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen        int height = MeasureSpec.makeMeasureSpec(unScaledSize[1], MeasureSpec.EXACTLY);
3679ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen        Bitmap b = Bitmap.createBitmap(unScaledSize[0], unScaledSize[1],
3680ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen                Bitmap.Config.ARGB_8888);
3681508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal        mCanvas.setBitmap(b);
3682ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen
3683ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen        layout.measure(width, height);
3684ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen        layout.layout(0, 0, unScaledSize[0], unScaledSize[1]);
3685508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal        layout.draw(mCanvas);
3686508da15509224b46fcccabbe78f3e92fe69a67d8Sunny Goyal        mCanvas.setBitmap(null);
3687d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen        layout.setVisibility(visibility);
3688ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen        return b;
3689ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen    }
3690ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen
3691d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen    private void getFinalPositionForDropAnimation(int[] loc, float[] scaleXY,
3692a501d49a6a8b684bc83aa6b536f43247d75bacdfTony Wickham            DragView dragView, CellLayout layout, ItemInfo info, int[] targetCell, boolean scale) {
3693ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen        // Now we animate the dragView, (ie. the widget or shortcut preview) into its final
3694ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen        // location and size on the home screen.
3695d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen        int spanX = info.spanX;
3696d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen        int spanY = info.spanY;
3697d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen
3698a501d49a6a8b684bc83aa6b536f43247d75bacdfTony Wickham        Rect r = estimateItemPosition(layout, targetCell[0], targetCell[1], spanX, spanY);
3699d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen        loc[0] = r.left;
3700d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen        loc[1] = r.top;
3701d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen
3702d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen        setFinalTransitionTransform(layout);
3703ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen        float cellLayoutScale =
37047d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen                mLauncher.getDragLayer().getDescendantCoordRelativeToSelf(layout, loc, true);
3705d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen        resetTransitionTransform(layout);
3706a2fe78630a6b01e51e3d3240ad9852a8822b4220Michael Jurka
3707a2fe78630a6b01e51e3d3240ad9852a8822b4220Michael Jurka        float dragViewScaleX;
3708a2fe78630a6b01e51e3d3240ad9852a8822b4220Michael Jurka        float dragViewScaleY;
3709a2fe78630a6b01e51e3d3240ad9852a8822b4220Michael Jurka        if (scale) {
3710a2fe78630a6b01e51e3d3240ad9852a8822b4220Michael Jurka            dragViewScaleX = (1.0f * r.width()) / dragView.getMeasuredWidth();
3711a2fe78630a6b01e51e3d3240ad9852a8822b4220Michael Jurka            dragViewScaleY = (1.0f * r.height()) / dragView.getMeasuredHeight();
3712a2fe78630a6b01e51e3d3240ad9852a8822b4220Michael Jurka        } else {
3713a2fe78630a6b01e51e3d3240ad9852a8822b4220Michael Jurka            dragViewScaleX = 1f;
3714a2fe78630a6b01e51e3d3240ad9852a8822b4220Michael Jurka            dragViewScaleY = 1f;
3715a2fe78630a6b01e51e3d3240ad9852a8822b4220Michael Jurka        }
3716ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen
3717ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen        // The animation will scale the dragView about its center, so we need to center about
3718ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen        // the final location.
3719a501d49a6a8b684bc83aa6b536f43247d75bacdfTony Wickham        loc[0] -= (dragView.getMeasuredWidth() - cellLayoutScale * r.width()) / 2
3720a501d49a6a8b684bc83aa6b536f43247d75bacdfTony Wickham                - Math.ceil(layout.getUnusedHorizontalSpace() / 2f);
3721ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen        loc[1] -= (dragView.getMeasuredHeight() - cellLayoutScale * r.height()) / 2;
3722ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen
3723d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen        scaleXY[0] = dragViewScaleX * cellLayoutScale;
3724d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen        scaleXY[1] = dragViewScaleY * cellLayoutScale;
3725d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen    }
3726d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen
3727a501d49a6a8b684bc83aa6b536f43247d75bacdfTony Wickham    public void animateWidgetDrop(ItemInfo info, CellLayout cellLayout, final DragView dragView,
3728d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen            final Runnable onCompleteRunnable, int animationType, final View finalView,
3729d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen            boolean external) {
3730d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen        Rect from = new Rect();
3731d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen        mLauncher.getDragLayer().getViewRectRelativeToSelf(dragView, from);
3732d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen
3733d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen        int[] finalPos = new int[2];
3734d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen        float scaleXY[] = new float[2];
3735a2fe78630a6b01e51e3d3240ad9852a8822b4220Michael Jurka        boolean scalePreview = !(info instanceof PendingAddShortcutInfo);
3736d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen        getFinalPositionForDropAnimation(finalPos, scaleXY, dragView, cellLayout, info, mTargetCell,
3737a501d49a6a8b684bc83aa6b536f43247d75bacdfTony Wickham                scalePreview);
3738ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen
3739ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen        Resources res = mLauncher.getResources();
3740ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen        final int duration = res.getInteger(R.integer.config_dropAnimMaxDuration) - 200;
3741ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen
37425940042d39b576553c2499bcf3d0641281e6ad52Adam Cohen        boolean isWidget = info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET ||
37435940042d39b576553c2499bcf3d0641281e6ad52Adam Cohen                info.itemType == LauncherSettings.Favorites.ITEM_TYPE_CUSTOM_APPWIDGET;
3744d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen        if ((animationType == ANIMATE_INTO_POSITION_AND_RESIZE || external) && finalView != null) {
3745d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen            Bitmap crossFadeBitmap = createWidgetBitmap(info, finalView);
3746ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen            dragView.setCrossFadeBitmap(crossFadeBitmap);
3747ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen            dragView.crossFade((int) (duration * 0.8f));
37485940042d39b576553c2499bcf3d0641281e6ad52Adam Cohen        } else if (isWidget && external) {
3749d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen            scaleXY[0] = scaleXY[1] = Math.min(scaleXY[0],  scaleXY[1]);
3750ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen        }
3751ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen
3752d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen        DragLayer dragLayer = mLauncher.getDragLayer();
37537bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung        if (animationType == CANCEL_TWO_STAGE_WIDGET_DROP_ANIMATION) {
3754d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen            mLauncher.getDragLayer().animateViewIntoPosition(dragView, finalPos, 0f, 0.1f, 0.1f,
3755ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen                    DragLayer.ANIMATION_END_DISAPPEAR, onCompleteRunnable, duration);
3756ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen        } else {
3757d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen            int endStyle;
3758d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen            if (animationType == ANIMATE_INTO_POSITION_AND_REMAIN) {
3759d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                endStyle = DragLayer.ANIMATION_END_REMAIN_VISIBLE;
3760d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen            } else {
3761a501d49a6a8b684bc83aa6b536f43247d75bacdfTony Wickham                endStyle = DragLayer.ANIMATION_END_DISAPPEAR;
3762d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen            }
3763d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen
3764d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen            Runnable onComplete = new Runnable() {
3765d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                @Override
3766d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                public void run() {
3767d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                    if (finalView != null) {
3768d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                        finalView.setVisibility(VISIBLE);
3769d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                    }
3770d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                    if (onCompleteRunnable != null) {
3771d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                        onCompleteRunnable.run();
3772d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                    }
3773d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                }
3774d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen            };
3775d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen            dragLayer.animateViewIntoPosition(dragView, from.left, from.top, finalPos[0],
3776d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                    finalPos[1], 1, 1, 1, scaleXY[0], scaleXY[1], onComplete, endStyle,
3777d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen                    duration, this);
3778ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen        }
3779ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen    }
3780ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen
37814b285c5a60028f7c9ce39cfb318a730d0ae95c27Adam Cohen    public void setFinalTransitionTransform(CellLayout layout) {
37824b285c5a60028f7c9ce39cfb318a730d0ae95c27Adam Cohen        if (isSwitchingState()) {
37837d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen            mCurrentScale = getScaleX();
3784dc61c4d41468a8beced2863de1b863b340cf49baWinson Chung            setScaleX(mStateTransitionAnimation.getFinalScale());
3785dc61c4d41468a8beced2863de1b863b340cf49baWinson Chung            setScaleY(mStateTransitionAnimation.getFinalScale());
37864b285c5a60028f7c9ce39cfb318a730d0ae95c27Adam Cohen        }
37874b285c5a60028f7c9ce39cfb318a730d0ae95c27Adam Cohen    }
37884b285c5a60028f7c9ce39cfb318a730d0ae95c27Adam Cohen    public void resetTransitionTransform(CellLayout layout) {
37894b285c5a60028f7c9ce39cfb318a730d0ae95c27Adam Cohen        if (isSwitchingState()) {
37907d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen            setScaleX(mCurrentScale);
37917d30a37007bac318db1c9af47a9af12d348042a5Adam Cohen            setScaleY(mCurrentScale);
3792af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka        }
379331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
3794aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
3795dadb304b4682998c43b9c07bef45b9a9380f3287Tony Wickham    public WorkspaceStateTransitionAnimation getStateTransitionAnimation() {
3796dadb304b4682998c43b9c07bef45b9a9380f3287Tony Wickham        return mStateTransitionAnimation;
3797dadb304b4682998c43b9c07bef45b9a9380f3287Tony Wickham    }
3798dadb304b4682998c43b9c07bef45b9a9380f3287Tony Wickham
379970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey    /**
380070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey     * Return the current {@link CellLayout}, correctly picking the destination
380170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey     * screen while a scroll is in progress.
380270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey     */
38035f445425606b2c27276a79e9e871cf7f67b1b719Patrick Dubroy    public CellLayout getCurrentDropLayout() {
3804360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chung        return (CellLayout) getChildAt(getNextPage());
380570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey    }
380631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
380770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey    /**
38080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka     * Return the current CellInfo describing our current drag; this method exists
38090280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka     * so that Launcher can sync this object with the correct info when the activity is created/
38100280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka     * destroyed
38110280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka     *
38120280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka     */
38130280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka    public CellLayout.CellInfo getDragInfo() {
38140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka        return mDragInfo;
38150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka    }
38160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka
38179b9fb967b2305413520dc676d6d3c472b2b6b25eWinson Chung    public int getCurrentPageOffsetFromCustomContent() {
381821cd002fef13ff0b6336f10f97e29738a2b0ecb9Adam Cohen        return getNextPage() - numCustomPages();
381921cd002fef13ff0b6336f10f97e29738a2b0ecb9Adam Cohen    }
382021cd002fef13ff0b6336f10f97e29738a2b0ecb9Adam Cohen
38210280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka    /**
382270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey     * Calculate the nearest cell where the given object would be dropped.
3823e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen     *
3824e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen     * pixelX and pixelY should be in the coordinate system of layout
382570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey     */
3826091440a9cb9d4f42406631004aa484cbb79214caAdam Cohen    @Thunk int[] findNearestArea(int pixelX, int pixelY,
3827e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen            int spanX, int spanY, CellLayout layout, int[] recycle) {
3828df0353815c629fc678824b07a234b89a1ff94208Adam Cohen        return layout.findNearestArea(
3829e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen                pixelX, pixelY, spanX, spanY, recycle);
3830df0353815c629fc678824b07a234b89a1ff94208Adam Cohen    }
3831df0353815c629fc678824b07a234b89a1ff94208Adam Cohen
3832cff6af81d721415785bddc2efd74e179d2def9daAdam Cohen    void setup(DragController dragController) {
3833c2f7f4794867cd1b3e97fd0f379ad8ad15958a6cMichael Jurka        mSpringLoadedDragController = new SpringLoadedDragController(mLauncher);
383400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato        mDragController = dragController;
3835d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka
3836d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka        // hardware layers on children are enabled on startup, but should be disabled until
3837d74c984fcc61f86160476a2543faff715e3ee2fdMichael Jurka        // needed
38383a0469d1e40459529e2d4d57ebc493f930f7c01aMichael Jurka        updateChildrenLayersEnabled(false);
383931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
384031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
3841e3887cc4ec3cebda2333298e56a35acb49ccdf13Patrick Dubroy    /**
3842e3887cc4ec3cebda2333298e56a35acb49ccdf13Patrick Dubroy     * Called at the end of a drag which originated on the workspace.
3843e3887cc4ec3cebda2333298e56a35acb49ccdf13Patrick Dubroy     */
38441e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka    public void onDropCompleted(final View target, final DragObject d,
38451e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka            final boolean isFlingToDelete, final boolean success) {
38461e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka        if (mDeferDropAfterUninstall) {
38471e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka            mDeferredAction = new Runnable() {
3848ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen                public void run() {
3849ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen                    onDropCompleted(target, d, isFlingToDelete, success);
3850ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen                    mDeferredAction = null;
3851ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen                }
3852ad4e15cae4b628677fc249628a9ff661e67add78Adam Cohen            };
38531e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka            return;
38541e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka        }
38551e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka
38561e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka        boolean beingCalledAfterUninstall = mDeferredAction != null;
38571e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka
38581e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka        if (success && !(beingCalledAfterUninstall && !mUninstallSuccessful)) {
385995deb3a57cfebe51e5b8ea74e0a870123d1347e9Sunny Goyal            if (target != this && mDragInfo != null) {
386071b5c0b988a64b3a0613ded5403749bc537ee8a5Sunny Goyal                removeWorkspaceItem(mDragInfo.cell);
386131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            }
3862ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy        } else if (mDragInfo != null) {
38639282059e44604330763340e6c37ffb653b8ef187Sunny Goyal            final CellLayout cellLayout = mLauncher.getCellLayout(
38649282059e44604330763340e6c37ffb653b8ef187Sunny Goyal                    mDragInfo.container, mDragInfo.screenId);
3865eedb00a674358bb88dce1e0d3a90bd6cb9e97cfcJorim Jaggi            if (cellLayout != null) {
3866eedb00a674358bb88dce1e0d3a90bd6cb9e97cfcJorim Jaggi                cellLayout.onDropChild(mDragInfo.cell);
38676c56c68555dcb3d99b05d5faecd582a1f683cc92Sunny Goyal            } else if (ProviderConfig.IS_DOGFOOD_BUILD) {
38689282059e44604330763340e6c37ffb653b8ef187Sunny Goyal                throw new RuntimeException("Invalid state: cellLayout == null in "
38699282059e44604330763340e6c37ffb653b8ef187Sunny Goyal                        + "Workspace#onDropCompleted. Please file a bug. ");
38709282059e44604330763340e6c37ffb653b8ef187Sunny Goyal            };
387131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
38721e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka        if ((d.cancelled || (beingCalledAfterUninstall && !mUninstallSuccessful))
38731e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka                && mDragInfo.cell != null) {
38741e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka            mDragInfo.cell.setVisibility(VISIBLE);
387536cc09b07b19198f4ea886583cef462ade27192cAdam Cohen        }
38764be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato        mDragOutline = null;
387731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        mDragInfo = null;
387894e0d37f53e699364ebff732cf75ab81a577fb91Tony Wickham
38792516428710f13d5abc425c896151ad013267cc3dTony Wickham        if (!isFlingToDelete) {
38802516428710f13d5abc425c896151ad013267cc3dTony Wickham            // Fling to delete already exits spring loaded mode after the animation finishes.
38812516428710f13d5abc425c896151ad013267cc3dTony Wickham            mLauncher.exitSpringLoadedDragModeDelayed(success,
3882e03856267544d2209c2844c9c06c74e8e52ff104Tony Wickham                    Launcher.EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT, mDelayedResizeRunnable);
3883e03856267544d2209c2844c9c06c74e8e52ff104Tony Wickham            mDelayedResizeRunnable = null;
38842516428710f13d5abc425c896151ad013267cc3dTony Wickham        }
388531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
388631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
388731178b8237ccb6af666df60ef60c116c8afdf316Hyunyoung Song    /**
388831178b8237ccb6af666df60ef60c116c8afdf316Hyunyoung Song     * For opposite operation. See {@link #addInScreen}.
388931178b8237ccb6af666df60ef60c116c8afdf316Hyunyoung Song     */
389071b5c0b988a64b3a0613ded5403749bc537ee8a5Sunny Goyal    public void removeWorkspaceItem(View v) {
389171b5c0b988a64b3a0613ded5403749bc537ee8a5Sunny Goyal        CellLayout parentCell = getParentCellLayoutForView(v);
389271b5c0b988a64b3a0613ded5403749bc537ee8a5Sunny Goyal        if (parentCell != null) {
389371b5c0b988a64b3a0613ded5403749bc537ee8a5Sunny Goyal            parentCell.removeView(v);
38946c56c68555dcb3d99b05d5faecd582a1f683cc92Sunny Goyal        } else if (ProviderConfig.IS_DOGFOOD_BUILD) {
3895912bdfcffa04f8917ff56cc4e059208c13cbe29cSunny Goyal            // When an app is uninstalled using the drop target, we wait until resume to remove
3896912bdfcffa04f8917ff56cc4e059208c13cbe29cSunny Goyal            // the icon. We also remove all the corresponding items from the workspace at
3897912bdfcffa04f8917ff56cc4e059208c13cbe29cSunny Goyal            // {@link Launcher#bindComponentsRemoved}. That call can come before or after
3898912bdfcffa04f8917ff56cc4e059208c13cbe29cSunny Goyal            // {@link Launcher#mOnResumeCallbacks} depending on how busy the worker thread is.
3899912bdfcffa04f8917ff56cc4e059208c13cbe29cSunny Goyal            Log.e(TAG, "mDragInfo.cell has null parent");
390071b5c0b988a64b3a0613ded5403749bc537ee8a5Sunny Goyal        }
390171b5c0b988a64b3a0613ded5403749bc537ee8a5Sunny Goyal        if (v instanceof DropTarget) {
390271b5c0b988a64b3a0613ded5403749bc537ee8a5Sunny Goyal            mDragController.removeDropTarget((DropTarget) v);
390371b5c0b988a64b3a0613ded5403749bc537ee8a5Sunny Goyal        }
390471b5c0b988a64b3a0613ded5403749bc537ee8a5Sunny Goyal    }
390571b5c0b988a64b3a0613ded5403749bc537ee8a5Sunny Goyal
3906aaf7d1d13bd88bdeac5c56a9ab1d293fdaea3c11Sunny Goyal    /**
3907aaf7d1d13bd88bdeac5c56a9ab1d293fdaea3c11Sunny Goyal     * Removes all folder listeners
3908aaf7d1d13bd88bdeac5c56a9ab1d293fdaea3c11Sunny Goyal     */
3909aaf7d1d13bd88bdeac5c56a9ab1d293fdaea3c11Sunny Goyal    public void removeFolderListeners() {
3910aaf7d1d13bd88bdeac5c56a9ab1d293fdaea3c11Sunny Goyal        mapOverItems(false, new ItemOperator() {
3911aaf7d1d13bd88bdeac5c56a9ab1d293fdaea3c11Sunny Goyal            @Override
3912aaf7d1d13bd88bdeac5c56a9ab1d293fdaea3c11Sunny Goyal            public boolean evaluate(ItemInfo info, View view) {
3913aaf7d1d13bd88bdeac5c56a9ab1d293fdaea3c11Sunny Goyal                if (view instanceof FolderIcon) {
3914aaf7d1d13bd88bdeac5c56a9ab1d293fdaea3c11Sunny Goyal                    ((FolderIcon) view).removeListeners();
3915aaf7d1d13bd88bdeac5c56a9ab1d293fdaea3c11Sunny Goyal                }
3916aaf7d1d13bd88bdeac5c56a9ab1d293fdaea3c11Sunny Goyal                return false;
3917aaf7d1d13bd88bdeac5c56a9ab1d293fdaea3c11Sunny Goyal            }
3918aaf7d1d13bd88bdeac5c56a9ab1d293fdaea3c11Sunny Goyal        });
3919aaf7d1d13bd88bdeac5c56a9ab1d293fdaea3c11Sunny Goyal    }
3920aaf7d1d13bd88bdeac5c56a9ab1d293fdaea3c11Sunny Goyal
3921fa401a10e7e9341daf6f3c5949bf9331902c26d0Sunny Goyal    @Override
39221e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka    public void deferCompleteDropAfterUninstallActivity() {
39231e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka        mDeferDropAfterUninstall = true;
39241e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka    }
39251e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka
39261e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka    /// maybe move this into a smaller part
3927fa401a10e7e9341daf6f3c5949bf9331902c26d0Sunny Goyal    @Override
3928d5bd67dfa9ee5fda2384a75231b7a68ceb8e9bd5Sunny Goyal    public void onDragObjectRemoved(boolean success) {
39291e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka        mDeferDropAfterUninstall = false;
39301e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka        mUninstallSuccessful = success;
39311e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka        if (mDeferredAction != null) {
39321e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka            mDeferredAction.run();
39331e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka        }
39341e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka    }
39351e2f465f46ded990ea30516cdb7f0fcf3280411fMichael Jurka
3936a48487a814c07a9f1f45eb3ffe3d873b3dc31b3bWinson Chung    @Override
3937eeb5bbc9409978cc2ae52d48380399fcde3d9f85Winson Chung    public float getIntrinsicIconScaleFactor() {
3938eeb5bbc9409978cc2ae52d48380399fcde3d9f85Winson Chung        return 1f;
3939eeb5bbc9409978cc2ae52d48380399fcde3d9f85Winson Chung    }
3940eeb5bbc9409978cc2ae52d48380399fcde3d9f85Winson Chung
3941eeb5bbc9409978cc2ae52d48380399fcde3d9f85Winson Chung    @Override
3942043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung    public boolean supportsFlingToDelete() {
3943043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung        return true;
3944043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung    }
3945043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung
3946a48487a814c07a9f1f45eb3ffe3d873b3dc31b3bWinson Chung    @Override
39471eeb3fc9d874d98dfb43883d17efb4202d83d88aMathew Inwood    public boolean supportsAppInfoDropTarget() {
3948e0c332365604976d999eb25d4bdcc49ec75b7a1cTony Wickham        return !FeatureFlags.LAUNCHER3_LEGACY_WORKSPACE_DND;
39491eeb3fc9d874d98dfb43883d17efb4202d83d88aMathew Inwood    }
39501eeb3fc9d874d98dfb43883d17efb4202d83d88aMathew Inwood
39511eeb3fc9d874d98dfb43883d17efb4202d83d88aMathew Inwood    @Override
39521eeb3fc9d874d98dfb43883d17efb4202d83d88aMathew Inwood    public boolean supportsDeleteDropTarget() {
39531eeb3fc9d874d98dfb43883d17efb4202d83d88aMathew Inwood        return true;
39541eeb3fc9d874d98dfb43883d17efb4202d83d88aMathew Inwood    }
39551eeb3fc9d874d98dfb43883d17efb4202d83d88aMathew Inwood
39561eeb3fc9d874d98dfb43883d17efb4202d83d88aMathew Inwood    @Override
3957ddec73471eb6cc1f15eb9421a205bb2362509075Sunny Goyal    public void onFlingToDelete(DragObject d, PointF vec) {
3958a48487a814c07a9f1f45eb3ffe3d873b3dc31b3bWinson Chung        // Do nothing
3959a48487a814c07a9f1f45eb3ffe3d873b3dc31b3bWinson Chung    }
3960a48487a814c07a9f1f45eb3ffe3d873b3dc31b3bWinson Chung
3961a48487a814c07a9f1f45eb3ffe3d873b3dc31b3bWinson Chung    @Override
3962a48487a814c07a9f1f45eb3ffe3d873b3dc31b3bWinson Chung    public void onFlingToDeleteCompleted() {
3963a48487a814c07a9f1f45eb3ffe3d873b3dc31b3bWinson Chung        // Do nothing
3964a48487a814c07a9f1f45eb3ffe3d873b3dc31b3bWinson Chung    }
3965a48487a814c07a9f1f45eb3ffe3d873b3dc31b3bWinson Chung
39660280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka    public boolean isDropEnabled() {
39670280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka        return true;
39680280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka    }
39690280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka
39700142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    @Override
39711462de39f01cec0ba785386532719cb0207dd827Adam Cohen    protected void dispatchRestoreInstanceState(SparseArray<Parcelable> container) {
39721462de39f01cec0ba785386532719cb0207dd827Adam Cohen        // We don't dispatch restoreInstanceState to our children using this code path.
3973a888158880fea53479447d883391f552604e46b6Dave Hawkey        // Some pages will be restored immediately as their items are bound immediately, and
39741462de39f01cec0ba785386532719cb0207dd827Adam Cohen        // others we will need to wait until after their items are bound.
39751462de39f01cec0ba785386532719cb0207dd827Adam Cohen        mSavedStates = container;
39761462de39f01cec0ba785386532719cb0207dd827Adam Cohen    }
39771462de39f01cec0ba785386532719cb0207dd827Adam Cohen
39781462de39f01cec0ba785386532719cb0207dd827Adam Cohen    public void restoreInstanceStateForChild(int child) {
39791462de39f01cec0ba785386532719cb0207dd827Adam Cohen        if (mSavedStates != null) {
39801462de39f01cec0ba785386532719cb0207dd827Adam Cohen            mRestoredPages.add(child);
39811462de39f01cec0ba785386532719cb0207dd827Adam Cohen            CellLayout cl = (CellLayout) getChildAt(child);
3982b0ee08109ec89959d9bbd526c6e5f7ab96c8c3eaAdam Cohen            if (cl != null) {
3983b0ee08109ec89959d9bbd526c6e5f7ab96c8c3eaAdam Cohen                cl.restoreInstanceState(mSavedStates);
3984b0ee08109ec89959d9bbd526c6e5f7ab96c8c3eaAdam Cohen            }
39851462de39f01cec0ba785386532719cb0207dd827Adam Cohen        }
39861462de39f01cec0ba785386532719cb0207dd827Adam Cohen    }
39871462de39f01cec0ba785386532719cb0207dd827Adam Cohen
39881462de39f01cec0ba785386532719cb0207dd827Adam Cohen    public void restoreInstanceStateForRemainingPages() {
39891462de39f01cec0ba785386532719cb0207dd827Adam Cohen        int count = getChildCount();
39901462de39f01cec0ba785386532719cb0207dd827Adam Cohen        for (int i = 0; i < count; i++) {
39911462de39f01cec0ba785386532719cb0207dd827Adam Cohen            if (!mRestoredPages.contains(i)) {
39921462de39f01cec0ba785386532719cb0207dd827Adam Cohen                restoreInstanceStateForChild(i);
39931462de39f01cec0ba785386532719cb0207dd827Adam Cohen            }
39941462de39f01cec0ba785386532719cb0207dd827Adam Cohen        }
39951462de39f01cec0ba785386532719cb0207dd827Adam Cohen        mRestoredPages.clear();
3996d8e596db4bcd19409bae99938f8b5c91b6267f74Winson Chung        mSavedStates = null;
39971462de39f01cec0ba785386532719cb0207dd827Adam Cohen    }
39981462de39f01cec0ba785386532719cb0207dd827Adam Cohen
39991462de39f01cec0ba785386532719cb0207dd827Adam Cohen    @Override
400031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    public void scrollLeft() {
40016c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen        if (!workspaceInModalState() && !mIsSwitchingState) {
40020142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            super.scrollLeft();
400331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
400495bb800de9b0142bea0110b074eddbcf0e475736Adam Cohen        Folder openFolder = getOpenFolder();
400595bb800de9b0142bea0110b074eddbcf0e475736Adam Cohen        if (openFolder != null) {
400695bb800de9b0142bea0110b074eddbcf0e475736Adam Cohen            openFolder.completeDragExit();
400795bb800de9b0142bea0110b074eddbcf0e475736Adam Cohen        }
400831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
400931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
40100142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    @Override
401131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    public void scrollRight() {
40126c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen        if (!workspaceInModalState() && !mIsSwitchingState) {
40130142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            super.scrollRight();
401431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
401595bb800de9b0142bea0110b074eddbcf0e475736Adam Cohen        Folder openFolder = getOpenFolder();
401695bb800de9b0142bea0110b074eddbcf0e475736Adam Cohen        if (openFolder != null) {
401795bb800de9b0142bea0110b074eddbcf0e475736Adam Cohen            openFolder.completeDragExit();
401895bb800de9b0142bea0110b074eddbcf0e475736Adam Cohen        }
401931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
4020138a04170d964da9cdec228e95b976875ae52481Karl Rosaen
40211262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy    @Override
40223e0839e5f830ab7e64223ebe186d97729eda3e22Winson Chung    public boolean onEnterScrollArea(int x, int y, int direction) {
40231c4cf4a11f3f7f24bbf65f958fdd22295d0bbd55Winson Chung        // Ignore the scroll area if we are dragging over the hot seat
40244f3e9383eb422c87e2689548653b89f34f5516a5Sunny Goyal        boolean isPortrait = !mLauncher.getDeviceProfile().isLandscape;
402510bfc6e9294a4a336e505b57bac6fbac57bd8395Winson Chung        if (mLauncher.getHotseat() != null && isPortrait) {
40261c4cf4a11f3f7f24bbf65f958fdd22295d0bbd55Winson Chung            Rect r = new Rect();
40271c4cf4a11f3f7f24bbf65f958fdd22295d0bbd55Winson Chung            mLauncher.getHotseat().getHitRect(r);
40281c4cf4a11f3f7f24bbf65f958fdd22295d0bbd55Winson Chung            if (r.contains(x, y)) {
40293e0839e5f830ab7e64223ebe186d97729eda3e22Winson Chung                return false;
40301c4cf4a11f3f7f24bbf65f958fdd22295d0bbd55Winson Chung            }
40311c4cf4a11f3f7f24bbf65f958fdd22295d0bbd55Winson Chung        }
40321c4cf4a11f3f7f24bbf65f958fdd22295d0bbd55Winson Chung
40333e0839e5f830ab7e64223ebe186d97729eda3e22Winson Chung        boolean result = false;
40346c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen        if (!workspaceInModalState() && !mIsSwitchingState && getOpenFolder() == null) {
4035d718d6a7ba424b600052a147e5633a201a04ccb7Michael Jurka            mInScrollArea = true;
403654fa3b95557c283976e8c1aa8a157b460b0b4513Patrick Dubroy
4037360e63fd3e77247002b86da2a77bd8dfe8c8a807Winson Chung            final int page = getNextPage() +
4038aa15ffe60e28b923ebf3e3162ce427ca6feae803Winson Chung                       (direction == DragController.SCROLL_LEFT ? -1 : 1);
4039c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            // We always want to exit the current layout to ensure parity of enter / exit
4040c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            setCurrentDropLayout(null);
404154fa3b95557c283976e8c1aa8a157b460b0b4513Patrick Dubroy
4042aa15ffe60e28b923ebf3e3162ce427ca6feae803Winson Chung            if (0 <= page && page < getChildCount()) {
4043482a5b6ed389ef943990277e461444626c34ebf2Winson Chung                // Ensure that we are not dragging over to the custom content screen
4044482a5b6ed389ef943990277e461444626c34ebf2Winson Chung                if (getScreenIdForPageIndex(page) == CUSTOM_CONTENT_SCREEN_ID) {
4045482a5b6ed389ef943990277e461444626c34ebf2Winson Chung                    return false;
4046482a5b6ed389ef943990277e461444626c34ebf2Winson Chung                }
4047482a5b6ed389ef943990277e461444626c34ebf2Winson Chung
4048aa15ffe60e28b923ebf3e3162ce427ca6feae803Winson Chung                CellLayout layout = (CellLayout) getChildAt(page);
4049c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen                setCurrentDragOverlappingLayout(layout);
405070b9530f3147663d38875260b48d931793b7d378Patrick Dubroy
4051c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung                // Workspace is responsible for drawing the edge glow on adjacent pages,
4052c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung                // so we need to redraw the workspace when this may have changed.
4053c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung                invalidate();
40543e0839e5f830ab7e64223ebe186d97729eda3e22Winson Chung                result = true;
4055c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung            }
405670b9530f3147663d38875260b48d931793b7d378Patrick Dubroy        }
40573e0839e5f830ab7e64223ebe186d97729eda3e22Winson Chung        return result;
405808ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy    }
405908ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy
40601262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy    @Override
40613e0839e5f830ab7e64223ebe186d97729eda3e22Winson Chung    public boolean onExitScrollArea() {
40623e0839e5f830ab7e64223ebe186d97729eda3e22Winson Chung        boolean result = false;
4063d718d6a7ba424b600052a147e5633a201a04ccb7Michael Jurka        if (mInScrollArea) {
4064c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            invalidate();
4065c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            CellLayout layout = getCurrentDropLayout();
4066c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            setCurrentDropLayout(layout);
4067c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen            setCurrentDragOverlappingLayout(layout);
4068c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen
40698a18afc4aa7217e293e0e96a23ac1cedaabc3738Adam Cohen            result = true;
4070c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung            mInScrollArea = false;
4071c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung        }
40723e0839e5f830ab7e64223ebe186d97729eda3e22Winson Chung        return result;
4073c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung    }
4074c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung
4075c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung    private void onResetScrollArea() {
4076c6cc61d45836e4081920883cc4d448ccb0bb8417Adam Cohen        setCurrentDragOverlappingLayout(null);
4077c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung        mInScrollArea = false;
40781262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy    }
40791262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy
40803d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung    /**
40813d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung     * Returns a specific CellLayout
40823d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung     */
40833d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung    CellLayout getParentCellLayoutForView(View v) {
40843d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        ArrayList<CellLayout> layouts = getWorkspaceAndHotseatCellLayouts();
40853d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        for (CellLayout layout : layouts) {
4086a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka            if (layout.getShortcutsAndWidgets().indexOfChild(v) > -1) {
40873d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung                return layout;
40883d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung            }
40893d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        }
40903d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        return null;
40913d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung    }
40923d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung
40933d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung    /**
40943d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung     * Returns a list of all the CellLayouts in the workspace.
40953d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung     */
40963d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung    ArrayList<CellLayout> getWorkspaceAndHotseatCellLayouts() {
40973d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        ArrayList<CellLayout> layouts = new ArrayList<CellLayout>();
40983d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        int screenCount = getChildCount();
40993d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        for (int screen = 0; screen < screenCount; screen++) {
41003d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung            layouts.add(((CellLayout) getChildAt(screen)));
41013d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        }
41023d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        if (mLauncher.getHotseat() != null) {
41033d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung            layouts.add(mLauncher.getHotseat().getLayout());
41043d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        }
41053d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        return layouts;
41063d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung    }
41073d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung
41083d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung    /**
41093d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung     * We should only use this to search for specific children.  Do not use this method to modify
4110a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka     * ShortcutsAndWidgetsContainer directly. Includes ShortcutAndWidgetContainers from
4111a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka     * the hotseat and workspace pages
41123d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung     */
4113a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka    ArrayList<ShortcutAndWidgetContainer> getAllShortcutAndWidgetContainers() {
411408442b84a25a22f3f21aad89ed5a6adccaa2166dSunny Goyal        ArrayList<ShortcutAndWidgetContainer> childrenLayouts = new ArrayList<>();
41153d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        int screenCount = getChildCount();
411631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        for (int screen = 0; screen < screenCount; screen++) {
4117a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka            childrenLayouts.add(((CellLayout) getChildAt(screen)).getShortcutsAndWidgets());
41183d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        }
41193d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        if (mLauncher.getHotseat() != null) {
4120a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka            childrenLayouts.add(mLauncher.getHotseat().getLayout().getShortcutsAndWidgets());
41213d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        }
41223d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        return childrenLayouts;
41233d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung    }
41243d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung
4125317698bd012c1930b83bb4e2e47ac9e363fa6c6aSunny Goyal    public View getHomescreenIconByItemId(final long id) {
4126317698bd012c1930b83bb4e2e47ac9e363fa6c6aSunny Goyal        return getFirstMatch(new ItemOperator() {
4127317698bd012c1930b83bb4e2e47ac9e363fa6c6aSunny Goyal
4128317698bd012c1930b83bb4e2e47ac9e363fa6c6aSunny Goyal            @Override
4129c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal            public boolean evaluate(ItemInfo info, View v) {
4130a75053f5f90b9494cc60a99e2b80b419eb3724b9Sunny Goyal                return info != null && info.id == id;
4131317698bd012c1930b83bb4e2e47ac9e363fa6c6aSunny Goyal            }
4132317698bd012c1930b83bb4e2e47ac9e363fa6c6aSunny Goyal        });
4133317698bd012c1930b83bb4e2e47ac9e363fa6c6aSunny Goyal    }
4134317698bd012c1930b83bb4e2e47ac9e363fa6c6aSunny Goyal
4135aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren    public View getViewForTag(final Object tag) {
4136ff572277112ec3d6a6a8c1be274d6fa1019e3648Sunny Goyal        return getFirstMatch(new ItemOperator() {
4137ff572277112ec3d6a6a8c1be274d6fa1019e3648Sunny Goyal
4138ff572277112ec3d6a6a8c1be274d6fa1019e3648Sunny Goyal            @Override
4139c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal            public boolean evaluate(ItemInfo info, View v) {
4140ff572277112ec3d6a6a8c1be274d6fa1019e3648Sunny Goyal                return info == tag;
4141ff572277112ec3d6a6a8c1be274d6fa1019e3648Sunny Goyal            }
4142ff572277112ec3d6a6a8c1be274d6fa1019e3648Sunny Goyal        });
4143ff572277112ec3d6a6a8c1be274d6fa1019e3648Sunny Goyal    }
4144ff572277112ec3d6a6a8c1be274d6fa1019e3648Sunny Goyal
4145ff572277112ec3d6a6a8c1be274d6fa1019e3648Sunny Goyal    public LauncherAppWidgetHostView getWidgetForAppWidgetId(final int appWidgetId) {
4146ff572277112ec3d6a6a8c1be274d6fa1019e3648Sunny Goyal        return (LauncherAppWidgetHostView) getFirstMatch(new ItemOperator() {
4147ff572277112ec3d6a6a8c1be274d6fa1019e3648Sunny Goyal
4148ff572277112ec3d6a6a8c1be274d6fa1019e3648Sunny Goyal            @Override
4149c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal            public boolean evaluate(ItemInfo info, View v) {
4150ff572277112ec3d6a6a8c1be274d6fa1019e3648Sunny Goyal                return (info instanceof LauncherAppWidgetInfo) &&
4151ff572277112ec3d6a6a8c1be274d6fa1019e3648Sunny Goyal                        ((LauncherAppWidgetInfo) info).appWidgetId == appWidgetId;
4152ff572277112ec3d6a6a8c1be274d6fa1019e3648Sunny Goyal            }
4153ff572277112ec3d6a6a8c1be274d6fa1019e3648Sunny Goyal        });
4154ff572277112ec3d6a6a8c1be274d6fa1019e3648Sunny Goyal    }
4155ff572277112ec3d6a6a8c1be274d6fa1019e3648Sunny Goyal
41566d02c7a0337d37e5b1c596a4acec0c292a9b7f93Sunny Goyal    public View getFirstMatch(final ItemOperator operator) {
4157aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren        final View[] value = new View[1];
4158651077bdd603bb182be039925fd17bdf0da15016Sunny Goyal        mapOverItems(MAP_NO_RECURSE, new ItemOperator() {
4159aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren            @Override
4160c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal            public boolean evaluate(ItemInfo info, View v) {
4161c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal                if (operator.evaluate(info, v)) {
4162aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren                    value[0] = v;
4163aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren                    return true;
416431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                }
4165aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren                return false;
416631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            }
4167aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren        });
4168aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren        return value[0];
416931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
417031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
4171df0353815c629fc678824b07a234b89a1ff94208Adam Cohen    void clearDropTargets() {
4172651077bdd603bb182be039925fd17bdf0da15016Sunny Goyal        mapOverItems(MAP_NO_RECURSE, new ItemOperator() {
4173aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren            @Override
4174c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal            public boolean evaluate(ItemInfo info, View v) {
4175df0353815c629fc678824b07a234b89a1ff94208Adam Cohen                if (v instanceof DropTarget) {
4176df0353815c629fc678824b07a234b89a1ff94208Adam Cohen                    mDragController.removeDropTarget((DropTarget) v);
4177df0353815c629fc678824b07a234b89a1ff94208Adam Cohen                }
4178aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren                // not done, process all the shortcuts
4179aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren                return false;
4180df0353815c629fc678824b07a234b89a1ff94208Adam Cohen            }
4181aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren        });
4182df0353815c629fc678824b07a234b89a1ff94208Adam Cohen    }
418331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
418483892cc0768bd6d7f0827886e9e7a2eb3eed2b01Winson Chung    // Removes ALL items that match a given package name, this is usually called when a package
418583892cc0768bd6d7f0827886e9e7a2eb3eed2b01Winson Chung    // has been removed and we want to remove all components (widgets, shortcuts, apps) that
418683892cc0768bd6d7f0827886e9e7a2eb3eed2b01Winson Chung    // belong to that package.
41873bbbabc54ac73a4451b0a862a3faac6426b1b7b4Sunny Goyal    void removeItemsByPackageName(final HashSet<String> packageNames, final UserHandleCompat user) {
418864359a53dc827797917a8d9a0697a91996789801Winson Chung        // Filter out all the ItemInfos that this is going to affect
418964359a53dc827797917a8d9a0697a91996789801Winson Chung        final HashSet<ItemInfo> infos = new HashSet<ItemInfo>();
419064359a53dc827797917a8d9a0697a91996789801Winson Chung        final HashSet<ComponentName> cns = new HashSet<ComponentName>();
419183892cc0768bd6d7f0827886e9e7a2eb3eed2b01Winson Chung        ArrayList<CellLayout> cellLayouts = getWorkspaceAndHotseatCellLayouts();
419283892cc0768bd6d7f0827886e9e7a2eb3eed2b01Winson Chung        for (CellLayout layoutParent : cellLayouts) {
419383892cc0768bd6d7f0827886e9e7a2eb3eed2b01Winson Chung            ViewGroup layout = layoutParent.getShortcutsAndWidgets();
419483892cc0768bd6d7f0827886e9e7a2eb3eed2b01Winson Chung            int childCount = layout.getChildCount();
419583892cc0768bd6d7f0827886e9e7a2eb3eed2b01Winson Chung            for (int i = 0; i < childCount; ++i) {
419683892cc0768bd6d7f0827886e9e7a2eb3eed2b01Winson Chung                View view = layout.getChildAt(i);
419764359a53dc827797917a8d9a0697a91996789801Winson Chung                infos.add((ItemInfo) view.getTag());
419883892cc0768bd6d7f0827886e9e7a2eb3eed2b01Winson Chung            }
419983892cc0768bd6d7f0827886e9e7a2eb3eed2b01Winson Chung        }
420064359a53dc827797917a8d9a0697a91996789801Winson Chung        LauncherModel.ItemInfoFilter filter = new LauncherModel.ItemInfoFilter() {
420164359a53dc827797917a8d9a0697a91996789801Winson Chung            @Override
420264359a53dc827797917a8d9a0697a91996789801Winson Chung            public boolean filterItem(ItemInfo parent, ItemInfo info,
420364359a53dc827797917a8d9a0697a91996789801Winson Chung                                      ComponentName cn) {
4204ed13187a745866483139e2878037e1f8427ce567Kenny Guy                if (packageNames.contains(cn.getPackageName())
4205ed13187a745866483139e2878037e1f8427ce567Kenny Guy                        && info.user.equals(user)) {
420664359a53dc827797917a8d9a0697a91996789801Winson Chung                    cns.add(cn);
420764359a53dc827797917a8d9a0697a91996789801Winson Chung                    return true;
420864359a53dc827797917a8d9a0697a91996789801Winson Chung                }
420964359a53dc827797917a8d9a0697a91996789801Winson Chung                return false;
421064359a53dc827797917a8d9a0697a91996789801Winson Chung            }
421164359a53dc827797917a8d9a0697a91996789801Winson Chung        };
421264359a53dc827797917a8d9a0697a91996789801Winson Chung        LauncherModel.filterItemInfos(infos, filter);
421383892cc0768bd6d7f0827886e9e7a2eb3eed2b01Winson Chung
421464359a53dc827797917a8d9a0697a91996789801Winson Chung        // Remove the affected components
4215ed13187a745866483139e2878037e1f8427ce567Kenny Guy        removeItemsByComponentName(cns, user);
421683892cc0768bd6d7f0827886e9e7a2eb3eed2b01Winson Chung    }
421783892cc0768bd6d7f0827886e9e7a2eb3eed2b01Winson Chung
42184390acea35aefae52bd3fe38f5fdbb7ea322afb0Sunny Goyal    /**
42194390acea35aefae52bd3fe38f5fdbb7ea322afb0Sunny Goyal     * Removes items that match the item info specified. When applications are removed
42204390acea35aefae52bd3fe38f5fdbb7ea322afb0Sunny Goyal     * as a part of an update, this is called to ensure that other widgets and application
42214390acea35aefae52bd3fe38f5fdbb7ea322afb0Sunny Goyal     * shortcuts are not removed.
42224390acea35aefae52bd3fe38f5fdbb7ea322afb0Sunny Goyal     */
4223ed13187a745866483139e2878037e1f8427ce567Kenny Guy    void removeItemsByComponentName(final HashSet<ComponentName> componentNames,
4224ed13187a745866483139e2878037e1f8427ce567Kenny Guy            final UserHandleCompat user) {
42253d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        ArrayList<CellLayout> cellLayouts = getWorkspaceAndHotseatCellLayouts();
42263d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung        for (final CellLayout layoutParent: cellLayouts) {
4227a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka            final ViewGroup layout = layoutParent.getShortcutsAndWidgets();
4228629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy
422964359a53dc827797917a8d9a0697a91996789801Winson Chung            final HashMap<ItemInfo, View> children = new HashMap<ItemInfo, View>();
423064359a53dc827797917a8d9a0697a91996789801Winson Chung            for (int j = 0; j < layout.getChildCount(); j++) {
423164359a53dc827797917a8d9a0697a91996789801Winson Chung                final View view = layout.getChildAt(j);
423264359a53dc827797917a8d9a0697a91996789801Winson Chung                children.put((ItemInfo) view.getTag(), view);
423364359a53dc827797917a8d9a0697a91996789801Winson Chung            }
423464359a53dc827797917a8d9a0697a91996789801Winson Chung
423564359a53dc827797917a8d9a0697a91996789801Winson Chung            final ArrayList<View> childrenToRemove = new ArrayList<View>();
423664359a53dc827797917a8d9a0697a91996789801Winson Chung            final HashMap<FolderInfo, ArrayList<ShortcutInfo>> folderAppsToRemove =
423764359a53dc827797917a8d9a0697a91996789801Winson Chung                    new HashMap<FolderInfo, ArrayList<ShortcutInfo>>();
423864359a53dc827797917a8d9a0697a91996789801Winson Chung            LauncherModel.ItemInfoFilter filter = new LauncherModel.ItemInfoFilter() {
423964359a53dc827797917a8d9a0697a91996789801Winson Chung                @Override
424064359a53dc827797917a8d9a0697a91996789801Winson Chung                public boolean filterItem(ItemInfo parent, ItemInfo info,
424164359a53dc827797917a8d9a0697a91996789801Winson Chung                                          ComponentName cn) {
424264359a53dc827797917a8d9a0697a91996789801Winson Chung                    if (parent instanceof FolderInfo) {
4243ed13187a745866483139e2878037e1f8427ce567Kenny Guy                        if (componentNames.contains(cn) && info.user.equals(user)) {
424464359a53dc827797917a8d9a0697a91996789801Winson Chung                            FolderInfo folder = (FolderInfo) parent;
424564359a53dc827797917a8d9a0697a91996789801Winson Chung                            ArrayList<ShortcutInfo> appsToRemove;
424664359a53dc827797917a8d9a0697a91996789801Winson Chung                            if (folderAppsToRemove.containsKey(folder)) {
424764359a53dc827797917a8d9a0697a91996789801Winson Chung                                appsToRemove = folderAppsToRemove.get(folder);
424864359a53dc827797917a8d9a0697a91996789801Winson Chung                            } else {
424964359a53dc827797917a8d9a0697a91996789801Winson Chung                                appsToRemove = new ArrayList<ShortcutInfo>();
425064359a53dc827797917a8d9a0697a91996789801Winson Chung                                folderAppsToRemove.put(folder, appsToRemove);
4251629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                            }
425264359a53dc827797917a8d9a0697a91996789801Winson Chung                            appsToRemove.add((ShortcutInfo) info);
425364359a53dc827797917a8d9a0697a91996789801Winson Chung                            return true;
4254574d20ec84551370987dde530c27ec493bdef564Romain Guy                        }
425564359a53dc827797917a8d9a0697a91996789801Winson Chung                    } else {
4256ed13187a745866483139e2878037e1f8427ce567Kenny Guy                        if (componentNames.contains(cn) && info.user.equals(user)) {
425764359a53dc827797917a8d9a0697a91996789801Winson Chung                            childrenToRemove.add(children.get(info));
425864359a53dc827797917a8d9a0697a91996789801Winson Chung                            return true;
4259629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                        }
4260574d20ec84551370987dde530c27ec493bdef564Romain Guy                    }
426164359a53dc827797917a8d9a0697a91996789801Winson Chung                    return false;
426264359a53dc827797917a8d9a0697a91996789801Winson Chung                }
426364359a53dc827797917a8d9a0697a91996789801Winson Chung            };
426464359a53dc827797917a8d9a0697a91996789801Winson Chung            LauncherModel.filterItemInfos(children.keySet(), filter);
4265aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
426664359a53dc827797917a8d9a0697a91996789801Winson Chung            // Remove all the apps from their folders
426764359a53dc827797917a8d9a0697a91996789801Winson Chung            for (FolderInfo folder : folderAppsToRemove.keySet()) {
426864359a53dc827797917a8d9a0697a91996789801Winson Chung                ArrayList<ShortcutInfo> appsToRemove = folderAppsToRemove.get(folder);
426964359a53dc827797917a8d9a0697a91996789801Winson Chung                for (ShortcutInfo info : appsToRemove) {
4270c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal                    folder.remove(info, false);
427164359a53dc827797917a8d9a0697a91996789801Winson Chung                }
427264359a53dc827797917a8d9a0697a91996789801Winson Chung            }
427364359a53dc827797917a8d9a0697a91996789801Winson Chung
427464359a53dc827797917a8d9a0697a91996789801Winson Chung            // Remove all the other children
427564359a53dc827797917a8d9a0697a91996789801Winson Chung            for (View child : childrenToRemove) {
427664359a53dc827797917a8d9a0697a91996789801Winson Chung                // Note: We can not remove the view directly from CellLayoutChildren as this
427764359a53dc827797917a8d9a0697a91996789801Winson Chung                // does not re-mark the spaces as unoccupied.
427864359a53dc827797917a8d9a0697a91996789801Winson Chung                layoutParent.removeViewInLayout(child);
427964359a53dc827797917a8d9a0697a91996789801Winson Chung                if (child instanceof DropTarget) {
428064359a53dc827797917a8d9a0697a91996789801Winson Chung                    mDragController.removeDropTarget((DropTarget) child);
428131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                }
428264359a53dc827797917a8d9a0697a91996789801Winson Chung            }
428364359a53dc827797917a8d9a0697a91996789801Winson Chung
428464359a53dc827797917a8d9a0697a91996789801Winson Chung            if (childrenToRemove.size() > 0) {
428564359a53dc827797917a8d9a0697a91996789801Winson Chung                layout.requestLayout();
428664359a53dc827797917a8d9a0697a91996789801Winson Chung                layout.invalidate();
428764359a53dc827797917a8d9a0697a91996789801Winson Chung            }
428831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
42892efec4e29f80db4293664d3ed4a89d37454510e1Winson Chung
429064359a53dc827797917a8d9a0697a91996789801Winson Chung        // Strip all the empty screens
429164359a53dc827797917a8d9a0697a91996789801Winson Chung        stripEmptyScreens();
429231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
4293f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project
4294f9c184a619e4e4b82cf9e0bf318ca6d8deaaaee7Adam Cohen    public interface ItemOperator {
4295aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren        /**
4296d0a6ae7f645e6ba564aebb50316c53fa2e119459Sunny Goyal         * Process the next itemInfo, possibly with side-effect on the next item.
4297aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren         *
4298aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren         * @param info info for the shortcut
4299aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren         * @param view view for the shortcut
4300aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren         * @return true if done, false to continue the map
4301aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren         */
4302c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal        public boolean evaluate(ItemInfo info, View view);
4303aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren    }
4304aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren
4305aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren    /**
4306651077bdd603bb182be039925fd17bdf0da15016Sunny Goyal     * Map the operator over the shortcuts and widgets, return the first-non-null value.
4307aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren     *
4308aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren     * @param recurse true: iterate over folder children. false: op get the folders themselves.
4309aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren     * @param op the operator to map over the shortcuts
4310aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren     */
4311651077bdd603bb182be039925fd17bdf0da15016Sunny Goyal    void mapOverItems(boolean recurse, ItemOperator op) {
4312aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren        ArrayList<ShortcutAndWidgetContainer> containers = getAllShortcutAndWidgetContainers();
4313aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren        final int containerCount = containers.size();
4314aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren        for (int containerIdx = 0; containerIdx < containerCount; containerIdx++) {
4315aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren            ShortcutAndWidgetContainer container = containers.get(containerIdx);
4316aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren            // map over all the shortcuts on the workspace
4317aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren            final int itemCount = container.getChildCount();
4318aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren            for (int itemIdx = 0; itemIdx < itemCount; itemIdx++) {
4319aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren                View item = container.getChildAt(itemIdx);
4320aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren                ItemInfo info = (ItemInfo) item.getTag();
4321aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren                if (recurse && info instanceof FolderInfo && item instanceof FolderIcon) {
4322aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren                    FolderIcon folder = (FolderIcon) item;
4323aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren                    ArrayList<View> folderChildren = folder.getFolder().getItemsInReadingOrder();
4324aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren                    // map over all the children in the folder
4325aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren                    final int childCount = folderChildren.size();
4326aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren                    for (int childIdx = 0; childIdx < childCount; childIdx++) {
4327aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren                        View child = folderChildren.get(childIdx);
4328aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren                        info = (ItemInfo) child.getTag();
4329c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal                        if (op.evaluate(info, child)) {
4330aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren                            return;
4331aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren                        }
4332aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren                    }
4333aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren                } else {
4334c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal                    if (op.evaluate(info, item)) {
4335aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren                        return;
4336aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren                    }
4337aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren                }
4338aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren            }
4339aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren        }
4340aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren    }
4341aeff7ea43409d817490fbb8c22b8d4b9725bb54fChris Wren
4342b50cc8c5d6125715b139d978887830a5341971aaSunny Goyal    void updateShortcuts(ArrayList<ShortcutInfo> shortcuts) {
4343c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal        int total  = shortcuts.size();
4344c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal        final HashSet<ShortcutInfo> updates = new HashSet<ShortcutInfo>(total);
4345c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal        final HashSet<Long> folderIds = new HashSet<>();
4346c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal
4347c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal        for (int i = 0; i < total; i++) {
4348c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal            ShortcutInfo s = shortcuts.get(i);
4349c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal            updates.add(s);
4350c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal            folderIds.add(s.container);
4351c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal        }
4352c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal
4353b50cc8c5d6125715b139d978887830a5341971aaSunny Goyal        mapOverItems(MAP_RECURSE, new ItemOperator() {
4354b50cc8c5d6125715b139d978887830a5341971aaSunny Goyal            @Override
4355c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal            public boolean evaluate(ItemInfo info, View v) {
4356b50cc8c5d6125715b139d978887830a5341971aaSunny Goyal                if (info instanceof ShortcutInfo && v instanceof BubbleTextView &&
4357b50cc8c5d6125715b139d978887830a5341971aaSunny Goyal                        updates.contains(info)) {
43584390acea35aefae52bd3fe38f5fdbb7ea322afb0Sunny Goyal                    ShortcutInfo si = (ShortcutInfo) info;
4359b50cc8c5d6125715b139d978887830a5341971aaSunny Goyal                    BubbleTextView shortcut = (BubbleTextView) v;
43603fcab663a141b31916152c8bc185b93b718d79dfSunny Goyal                    Drawable oldIcon = getTextViewIcon(shortcut);
43613fcab663a141b31916152c8bc185b93b718d79dfSunny Goyal                    boolean oldPromiseState = (oldIcon instanceof PreloadIconDrawable)
43623fcab663a141b31916152c8bc185b93b718d79dfSunny Goyal                            && ((PreloadIconDrawable) oldIcon).hasNotCompleted();
4363dfaccf64bd59343de483b12eee6db61c960aedceSunny Goyal                    shortcut.applyFromShortcutInfo(si, mIconCache,
43644390acea35aefae52bd3fe38f5fdbb7ea322afb0Sunny Goyal                            si.isPromise() != oldPromiseState);
4365c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal                }
4366c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal                // process all the shortcuts
4367c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal                return false;
4368c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal            }
4369c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal        });
4370b50cc8c5d6125715b139d978887830a5341971aaSunny Goyal
4371c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal        // Update folder icons
4372c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal        mapOverItems(MAP_NO_RECURSE, new ItemOperator() {
4373c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal            @Override
4374c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal            public boolean evaluate(ItemInfo info, View v) {
4375c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal                if (info instanceof FolderInfo && folderIds.contains(info.id)) {
4376c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal                    ((FolderInfo) info).itemsChanged(false);
4377b50cc8c5d6125715b139d978887830a5341971aaSunny Goyal                }
4378b50cc8c5d6125715b139d978887830a5341971aaSunny Goyal                // process all the shortcuts
4379b50cc8c5d6125715b139d978887830a5341971aaSunny Goyal                return false;
4380b50cc8c5d6125715b139d978887830a5341971aaSunny Goyal            }
4381b50cc8c5d6125715b139d978887830a5341971aaSunny Goyal        });
4382b50cc8c5d6125715b139d978887830a5341971aaSunny Goyal    }
4383b50cc8c5d6125715b139d978887830a5341971aaSunny Goyal
4384e7b8cd9e4f8d38d0445f3a032fafd44332f70878Sunny Goyal    public void removeAbandonedPromise(String packageName, UserHandleCompat user) {
43853bbbabc54ac73a4451b0a862a3faac6426b1b7b4Sunny Goyal        HashSet<String> packages = new HashSet<>(1);
4386e7b8cd9e4f8d38d0445f3a032fafd44332f70878Sunny Goyal        packages.add(packageName);
4387e7b8cd9e4f8d38d0445f3a032fafd44332f70878Sunny Goyal        LauncherModel.deletePackageFromDatabase(mLauncher, packageName, user);
4388e7b8cd9e4f8d38d0445f3a032fafd44332f70878Sunny Goyal        removeItemsByPackageName(packages, user);
438940c5ed303909c4df71037be3429aa1423e59585fChris Wren    }
439040c5ed303909c4df71037be3429aa1423e59585fChris Wren
4391756adbc3e41ee1edb53c580b8c679f343924fab5Sunny Goyal    public void updateRestoreItems(final HashSet<ItemInfo> updates) {
4392a22666f68151269853e7ab6ab696ee6361bac793Sunny Goyal        mapOverItems(MAP_RECURSE, new ItemOperator() {
4393a22666f68151269853e7ab6ab696ee6361bac793Sunny Goyal            @Override
4394c52ba710053e4c6927937dd1a26d1abe06b6fa99Sunny Goyal            public boolean evaluate(ItemInfo info, View v) {
4395756adbc3e41ee1edb53c580b8c679f343924fab5Sunny Goyal                if (info instanceof ShortcutInfo && v instanceof BubbleTextView
4396756adbc3e41ee1edb53c580b8c679f343924fab5Sunny Goyal                        && updates.contains(info)) {
4397756adbc3e41ee1edb53c580b8c679f343924fab5Sunny Goyal                    ((BubbleTextView) v).applyState(false);
4398756adbc3e41ee1edb53c580b8c679f343924fab5Sunny Goyal                } else if (v instanceof PendingAppWidgetHostView
4399756adbc3e41ee1edb53c580b8c679f343924fab5Sunny Goyal                        && info instanceof LauncherAppWidgetInfo
4400756adbc3e41ee1edb53c580b8c679f343924fab5Sunny Goyal                        && updates.contains(info)) {
4401756adbc3e41ee1edb53c580b8c679f343924fab5Sunny Goyal                    ((PendingAppWidgetHostView) v).applyState();
4402a22666f68151269853e7ab6ab696ee6361bac793Sunny Goyal                }
4403a22666f68151269853e7ab6ab696ee6361bac793Sunny Goyal                // process all the shortcuts
4404a22666f68151269853e7ab6ab696ee6361bac793Sunny Goyal                return false;
4405a22666f68151269853e7ab6ab696ee6361bac793Sunny Goyal            }
4406a22666f68151269853e7ab6ab696ee6361bac793Sunny Goyal        });
4407a22666f68151269853e7ab6ab696ee6361bac793Sunny Goyal    }
4408a22666f68151269853e7ab6ab696ee6361bac793Sunny Goyal
440987af0fded6d91b85c7a4bbf066f93d58c241b146Sunny Goyal    public void widgetsRestored(final ArrayList<LauncherAppWidgetInfo> changedInfo) {
44100fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal        if (!changedInfo.isEmpty()) {
44110fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal            DeferredWidgetRefresh widgetRefresh = new DeferredWidgetRefresh(changedInfo,
44120fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal                    mLauncher.getAppWidgetHost());
44132e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal
44142e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal            LauncherAppWidgetInfo item = changedInfo.get(0);
44152e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal            final AppWidgetProviderInfo widgetInfo;
44162e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal            if (item.hasRestoreFlag(LauncherAppWidgetInfo.FLAG_ID_NOT_VALID)) {
44172e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal                widgetInfo = AppWidgetManagerCompat
44182e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal                        .getInstance(mLauncher).findProvider(item.providerName, item.user);
44192e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal            } else {
44202e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal                widgetInfo = AppWidgetManagerCompat.getInstance(mLauncher)
44212e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal                        .getAppWidgetInfo(item.appWidgetId);
44222e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal            }
44232e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal
44242e1efb480a9b77a97cb623d4f5faf6802a417422Sunny Goyal            if (widgetInfo != null) {
44250fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal                // Re-inflate the widgets which have changed status
44260fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal                widgetRefresh.run();
44270fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal            } else {
44280fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal                // widgetRefresh will automatically run when the packages are updated.
44294390acea35aefae52bd3fe38f5fdbb7ea322afb0Sunny Goyal                // For now just update the progress bars
443087af0fded6d91b85c7a4bbf066f93d58c241b146Sunny Goyal                mapOverItems(MAP_NO_RECURSE, new ItemOperator() {
443187af0fded6d91b85c7a4bbf066f93d58c241b146Sunny Goyal                    @Override
443287af0fded6d91b85c7a4bbf066f93d58c241b146Sunny Goyal                    public boolean evaluate(ItemInfo info, View view) {
443387af0fded6d91b85c7a4bbf066f93d58c241b146Sunny Goyal                        if (view instanceof PendingAppWidgetHostView
443487af0fded6d91b85c7a4bbf066f93d58c241b146Sunny Goyal                                && changedInfo.contains(info)) {
443587af0fded6d91b85c7a4bbf066f93d58c241b146Sunny Goyal                            ((LauncherAppWidgetInfo) info).installProgress = 100;
443687af0fded6d91b85c7a4bbf066f93d58c241b146Sunny Goyal                            ((PendingAppWidgetHostView) view).applyState();
443787af0fded6d91b85c7a4bbf066f93d58c241b146Sunny Goyal                        }
443887af0fded6d91b85c7a4bbf066f93d58c241b146Sunny Goyal                        // process all the shortcuts
443987af0fded6d91b85c7a4bbf066f93d58c241b146Sunny Goyal                        return false;
44404390acea35aefae52bd3fe38f5fdbb7ea322afb0Sunny Goyal                    }
444187af0fded6d91b85c7a4bbf066f93d58c241b146Sunny Goyal                });
44420fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal            }
4443ff572277112ec3d6a6a8c1be274d6fa1019e3648Sunny Goyal        }
4444f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project    }
4445f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project
4446af110e8603b2f372286d9155cbe8955a6a329e2dAllan Wojciechowski    private void moveToScreen(int page, boolean animate) {
44476c5891a9fce95eee3d87823d11d21889743e9c68Adam Cohen        if (!workspaceInModalState()) {
4448de1af7661548692d370518528ff91c7422b9c8aeWinson Chung            if (animate) {
4449af110e8603b2f372286d9155cbe8955a6a329e2dAllan Wojciechowski                snapToPage(page);
4450de1af7661548692d370518528ff91c7422b9c8aeWinson Chung            } else {
4451af110e8603b2f372286d9155cbe8955a6a329e2dAllan Wojciechowski                setCurrentPage(page);
4452de1af7661548692d370518528ff91c7422b9c8aeWinson Chung            }
4453c45b16862918a0c6c253bba12032165b030565afJoe Onorato        }
4454af110e8603b2f372286d9155cbe8955a6a329e2dAllan Wojciechowski        View child = getChildAt(page);
445564359a53dc827797917a8d9a0697a91996789801Winson Chung        if (child != null) {
445664359a53dc827797917a8d9a0697a91996789801Winson Chung            child.requestFocus();
445764359a53dc827797917a8d9a0697a91996789801Winson Chung        }
445831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
445931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
4460af110e8603b2f372286d9155cbe8955a6a329e2dAllan Wojciechowski    void moveToDefaultScreen(boolean animate) {
446177ccb8d03c17aeb32dccfb0930ae974f6cca7455Sunny Goyal        moveToScreen(getDefaultPage(), animate);
4462af110e8603b2f372286d9155cbe8955a6a329e2dAllan Wojciechowski    }
4463af110e8603b2f372286d9155cbe8955a6a329e2dAllan Wojciechowski
4464af110e8603b2f372286d9155cbe8955a6a329e2dAllan Wojciechowski    void moveToCustomContentScreen(boolean animate) {
4465af110e8603b2f372286d9155cbe8955a6a329e2dAllan Wojciechowski        if (hasCustomContent()) {
4466af110e8603b2f372286d9155cbe8955a6a329e2dAllan Wojciechowski            int ccIndex = getPageIndexForScreenId(CUSTOM_CONTENT_SCREEN_ID);
4467af110e8603b2f372286d9155cbe8955a6a329e2dAllan Wojciechowski            if (animate) {
4468af110e8603b2f372286d9155cbe8955a6a329e2dAllan Wojciechowski                snapToPage(ccIndex);
4469af110e8603b2f372286d9155cbe8955a6a329e2dAllan Wojciechowski            } else {
4470af110e8603b2f372286d9155cbe8955a6a329e2dAllan Wojciechowski                setCurrentPage(ccIndex);
4471af110e8603b2f372286d9155cbe8955a6a329e2dAllan Wojciechowski            }
4472af110e8603b2f372286d9155cbe8955a6a329e2dAllan Wojciechowski            View child = getChildAt(ccIndex);
4473af110e8603b2f372286d9155cbe8955a6a329e2dAllan Wojciechowski            if (child != null) {
4474af110e8603b2f372286d9155cbe8955a6a329e2dAllan Wojciechowski                child.requestFocus();
4475af110e8603b2f372286d9155cbe8955a6a329e2dAllan Wojciechowski            }
4476af110e8603b2f372286d9155cbe8955a6a329e2dAllan Wojciechowski         }
447776128b6359fc430542811fbb32e4a1d593a9ef07Adam Cohen        exitWidgetResizeMode();
4478af110e8603b2f372286d9155cbe8955a6a329e2dAllan Wojciechowski    }
4479af110e8603b2f372286d9155cbe8955a6a329e2dAllan Wojciechowski
4480d0a6ae7f645e6ba564aebb50316c53fa2e119459Sunny Goyal    @Override
448153fe1f26d3103ab3306c421e0ddf299764620c32Sunny Goyal    protected String getPageIndicatorDescription() {
448253fe1f26d3103ab3306c421e0ddf299764620c32Sunny Goyal        return getResources().getString(R.string.all_apps_button_label);
448353fe1f26d3103ab3306c421e0ddf299764620c32Sunny Goyal    }
448453fe1f26d3103ab3306c421e0ddf299764620c32Sunny Goyal
448553fe1f26d3103ab3306c421e0ddf299764620c32Sunny Goyal    @Override
44866a0f57dfafced837a2a282d8feec28d5418be3b9Winson Chung    protected String getCurrentPageDescription() {
448753805218809cc1f93a0f1307b442df7c65a3068cAdam Cohen        if (hasCustomContent() && getNextPage() == 0) {
448853805218809cc1f93a0f1307b442df7c65a3068cAdam Cohen            return mCustomContentDescription;
448953805218809cc1f93a0f1307b442df7c65a3068cAdam Cohen        }
44901d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal        int page = (mNextPage != INVALID_PAGE) ? mNextPage : mCurrentPage;
44911d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal        return getPageDescription(page);
44921d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal    }
44931d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal
44941d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal    private String getPageDescription(int page) {
44951d08f70441999c66b76c97e48b4149e1433be3c3Sunny Goyal        int delta = numCustomPages();
4496e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal        int nScreens = getChildCount() - delta;
4497e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal        int extraScreenId = mScreenOrder.indexOf(EXTRA_EMPTY_SCREEN_ID);
4498e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal        if (extraScreenId >= 0 && nScreens > 1) {
4499e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal            if (page == extraScreenId) {
4500e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal                return getContext().getString(R.string.workspace_new_page);
4501e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal            }
4502e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal            nScreens--;
4503e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal        }
45045be3e4cc529f75b894d4603c9fd1342b370766e0Sunny Goyal        if (nScreens == 0) {
45055be3e4cc529f75b894d4603c9fd1342b370766e0Sunny Goyal            // When the workspace is not loaded, we do not know how many screen will be bound.
45065be3e4cc529f75b894d4603c9fd1342b370766e0Sunny Goyal            return getContext().getString(R.string.all_apps_home_button_label);
45075be3e4cc529f75b894d4603c9fd1342b370766e0Sunny Goyal        }
4508c5c723bbe43206ffa218b677984bc56a877359c4Sunny Goyal        return getContext().getString(R.string.workspace_scroll_format,
4509e78e3d734b577c1ab6dc0738a83600374908ea52Sunny Goyal                page + 1 - delta, nScreens);
45106a0f57dfafced837a2a282d8feec28d5418be3b9Winson Chung    }
45118dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen
45128f1eff7b6cc8621888ee46605c32e601f80a890bWinson Chung    @Override
4513ddec1c739ef37c3a042982b8943fe42e04b65f4cHyunyoung Song    public void fillInLaunchSourceData(View v, ItemInfo info, Target target, Target targetParent) {
4514ddec1c739ef37c3a042982b8943fe42e04b65f4cHyunyoung Song        target.itemType = LauncherLogProto.APP_ICON;
4515ddec1c739ef37c3a042982b8943fe42e04b65f4cHyunyoung Song        target.gridX = info.cellX;
4516ddec1c739ef37c3a042982b8943fe42e04b65f4cHyunyoung Song        target.gridY = info.cellY;
4517ddec1c739ef37c3a042982b8943fe42e04b65f4cHyunyoung Song        target.pageIndex = getCurrentPage();
4518ddec1c739ef37c3a042982b8943fe42e04b65f4cHyunyoung Song        targetParent.containerType = LauncherLogProto.WORKSPACE;
45198f1eff7b6cc8621888ee46605c32e601f80a890bWinson Chung    }
45208f1eff7b6cc8621888ee46605c32e601f80a890bWinson Chung
45210fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal    /**
45220fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal     * Used as a workaround to ensure that the AppWidgetService receives the
45230fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal     * PACKAGE_ADDED broadcast before updating widgets.
45240fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal     */
45250fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal    private class DeferredWidgetRefresh implements Runnable {
45260fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal        private final ArrayList<LauncherAppWidgetInfo> mInfos;
45270fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal        private final LauncherAppWidgetHost mHost;
45280fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal        private final Handler mHandler;
45290fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal
45300fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal        private boolean mRefreshPending;
45310fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal
45320fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal        public DeferredWidgetRefresh(ArrayList<LauncherAppWidgetInfo> infos,
45330fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal                LauncherAppWidgetHost host) {
45340fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal            mInfos = infos;
45350fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal            mHost = host;
45360fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal            mHandler = new Handler();
45370fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal            mRefreshPending = true;
45380fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal
45390fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal            mHost.addProviderChangeListener(this);
45400fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal            // Force refresh after 10 seconds, if we don't get the provider changed event.
45410fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal            // This could happen when the provider is no longer available in the app.
45420fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal            mHandler.postDelayed(this, 10000);
45430fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal        }
45440fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal
45450fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal        @Override
45460fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal        public void run() {
45470fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal            mHost.removeProviderChangeListener(this);
45480fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal            mHandler.removeCallbacks(this);
45490fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal
45500fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal            if (!mRefreshPending) {
45510fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal                return;
45520fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal            }
45530fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal
45540fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal            mRefreshPending = false;
45550fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal
455687af0fded6d91b85c7a4bbf066f93d58c241b146Sunny Goyal            mapOverItems(MAP_NO_RECURSE, new ItemOperator() {
455787af0fded6d91b85c7a4bbf066f93d58c241b146Sunny Goyal                @Override
455887af0fded6d91b85c7a4bbf066f93d58c241b146Sunny Goyal                public boolean evaluate(ItemInfo info, View view) {
455987af0fded6d91b85c7a4bbf066f93d58c241b146Sunny Goyal                    if (view instanceof PendingAppWidgetHostView && mInfos.contains(info)) {
456087af0fded6d91b85c7a4bbf066f93d58c241b146Sunny Goyal                        PendingAppWidgetHostView hostView = (PendingAppWidgetHostView) view;
456187af0fded6d91b85c7a4bbf066f93d58c241b146Sunny Goyal                        mLauncher.removeItem(view, info, false /* deleteFromDb */);
456287af0fded6d91b85c7a4bbf066f93d58c241b146Sunny Goyal                        mLauncher.bindAppWidget((LauncherAppWidgetInfo) info);
456387af0fded6d91b85c7a4bbf066f93d58c241b146Sunny Goyal                    }
456487af0fded6d91b85c7a4bbf066f93d58c241b146Sunny Goyal                    // process all the shortcuts
456587af0fded6d91b85c7a4bbf066f93d58c241b146Sunny Goyal                    return false;
45660fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal                }
456787af0fded6d91b85c7a4bbf066f93d58c241b146Sunny Goyal            });
45680fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal        }
45690fc1be164e982433e619bcbb16aa67e28ff681efSunny Goyal    }
45709443ef5ec69ee673b89c6387f065cf1d45eb2d5bSunny Goyal
45719443ef5ec69ee673b89c6387f065cf1d45eb2d5bSunny Goyal    public interface OnStateChangeListener {
45729443ef5ec69ee673b89c6387f065cf1d45eb2d5bSunny Goyal
45739443ef5ec69ee673b89c6387f065cf1d45eb2d5bSunny Goyal        /**
45749443ef5ec69ee673b89c6387f065cf1d45eb2d5bSunny Goyal         * Called when the workspace state is changing.
45759443ef5ec69ee673b89c6387f065cf1d45eb2d5bSunny Goyal         * @param toState final state
45769443ef5ec69ee673b89c6387f065cf1d45eb2d5bSunny Goyal         * @param targetAnim animation which will be played during the transition or null.
45779443ef5ec69ee673b89c6387f065cf1d45eb2d5bSunny Goyal         */
45789443ef5ec69ee673b89c6387f065cf1d45eb2d5bSunny Goyal        void prepareStateChange(State toState, AnimatorSet targetAnim);
45799443ef5ec69ee673b89c6387f065cf1d45eb2d5bSunny Goyal    }
45806178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal
45816178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal    public static final boolean isQsbContainerPage(int pageNo) {
45826178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal        return pageNo == 0;
45836178f13e2d1f0c1a89cea74538b51993ef3439e3Sunny Goyal    }
458431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project}
4585