Workspace.java revision a985e598f6071f4caca15ba3cb6b2cd3e38b217d
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
17a5902524d4403885eb4c50360bf3465c6be796efJoe Onoratopackage com.android.launcher2;
1831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
19b1254a6bdb11024042fb6c27e179210c1bbd6e1cChet Haaseimport android.animation.Animator;
20b1254a6bdb11024042fb6c27e179210c1bbd6e1cChet Haaseimport android.animation.ObjectAnimator;
21af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurkaimport com.android.launcher.R;
22495f2892288504f4ab87e62957b3f71144dd73c2Adam Powell
23df7c3a7853abd4dec460247370fe0b17b50866acPatrick Dubroyimport android.animation.PropertyValuesHolder;
24b1254a6bdb11024042fb6c27e179210c1bbd6e1cChet Haaseimport android.animation.AnimatorSet;
25b1254a6bdb11024042fb6c27e179210c1bbd6e1cChet Haaseimport android.animation.Animator.AnimatorListener;
268f573952b8729b4319043ae0908997ecd2d68951Dianne Hackbornimport android.app.WallpaperManager;
27629de3ef739883c0962423cc0c3a26299f162d3dRomain Guyimport android.appwidget.AppWidgetManager;
28629de3ef739883c0962423cc0c3a26299f162d3dRomain Guyimport android.appwidget.AppWidgetProviderInfo;
29495f2892288504f4ab87e62957b3f71144dd73c2Adam Powellimport android.content.ComponentName;
3031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.Context;
3131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.Intent;
32495f2892288504f4ab87e62957b3f71144dd73c2Adam Powellimport android.content.pm.PackageManager;
335c16f3ecd6b47bff3abbe40deb3d39c66a3b0012Romain Guyimport android.content.pm.ProviderInfo;
347247f6315baf16eacb3286f21bd80321385c1defPatrick Dubroyimport android.content.res.Resources;
3531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.res.TypedArray;
3631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Canvas;
37a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurkaimport android.graphics.Matrix;
3831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Rect;
39f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Projectimport android.graphics.drawable.Drawable;
405c16f3ecd6b47bff3abbe40deb3d39c66a3b0012Romain Guyimport android.net.Uri;
41956091ba7863bd72086275e61084864994dd6fa7Joe Onoratoimport android.os.IBinder;
42495f2892288504f4ab87e62957b3f71144dd73c2Adam Powellimport android.os.Parcelable;
4331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.util.AttributeSet;
44291ad12232c98e383d44d76ffe09e97e204c61bcDaniel Sandlerimport android.util.Log;
4531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.MotionEvent;
4631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.View;
4731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewGroup;
48f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Projectimport android.widget.TextView;
490e26059548e429e5d1c973bebe4c561bead2926fMichael Jurkaimport android.widget.Toast;
5031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
51af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurkaimport java.util.ArrayList;
52af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurkaimport java.util.HashSet;
53edcce099c98a6c40d10109ac092ab50f9d2668f3Romain Guy
5431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project/**
550142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka * The workspace is a wide area with a wallpaper and a finite number of pages.
560142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka * Each page contains a number of icons, folders or widgets the user can
57aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * interact with. A workspace is meant to be used with a fixed width only.
5831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */
590142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurkapublic class Workspace extends SmoothPagedView
60dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        implements DropTarget, DragSource, DragScroller, View.OnTouchListener {
61e47f55c30b9c24f01f2be861247c92f17fbe4a61Romain Guy    @SuppressWarnings({"UnusedDeclaration"})
623a8820bdbad90642cf5cda4b00a8c92ecb699159Joe Onorato    private static final String TAG = "Launcher.Workspace";
630142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka
64dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka    // This is how much the workspace shrinks when we enter all apps or
65dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka    // customization mode
66dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka    private static final float SHRINK_FACTOR = 0.16f;
67a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen
68a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen    // The maximum Y rotation to apply to the mini home screens
69a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen    private static final float MINI_PAGE_MAX_ROTATION = 25.0f;
70a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen
71a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen    // These are extra scale factors to apply to the mini home screens
72a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen    // so as to achieve the desired transform
73a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen    private static final float EXTRA_SCALE_FACTOR_0 = 0.97f;
74a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen    private static final float EXTRA_SCALE_FACTOR_1 = 1.0f;
75a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen    private static final float EXTRA_SCALE_FACTOR_2 = 1.13f;
76a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen
770142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    private enum ShrinkPosition { SHRINK_TO_TOP, SHRINK_TO_MIDDLE, SHRINK_TO_BOTTOM };
7831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
798f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn    private final WallpaperManager mWallpaperManager;
80aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
810142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    private int mDefaultPage;
8231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
8379212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka    private boolean mWaitingToShrinkToBottom = false;
8431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
8531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    /**
8631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * CellInfo for the cell that is currently being dragged
8731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     */
8831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    private CellLayout.CellInfo mDragInfo;
89aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
9070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey    /**
9170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey     * Target drop area calculated during last acceptDrop call.
9270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey     */
9370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey    private int[] mTargetCell = null;
9431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
956569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy    /**
966569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy     * The CellLayout that is currently being dragged over
976569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy     */
986569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy    private CellLayout mDragTargetLayout = null;
996569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy
10031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    private Launcher mLauncher;
1010589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato    private IconCache mIconCache;
10200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato    private DragController mDragController;
103aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
10431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    private int[] mTempCell = new int[2];
10570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey    private int[] mTempEstimate = new int[2];
106a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka    private float[] mTempDragCoordinates = new float[2];
107a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka    private float[] mTempDragBottomRightCoordinates = new float[2];
10831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
109d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen    private static final int DEFAULT_CELL_COUNT_X = 4;
110d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen    private static final int DEFAULT_CELL_COUNT_Y = 4;
11131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
1128a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy    private Drawable mPreviousIndicator;
1138a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy    private Drawable mNextIndicator;
114aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
1150142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    // State variable that indicated whether the pages are small (ie when you're
116dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka    // in all apps or customize mode)
117dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka    private boolean mIsSmall;
118b1254a6bdb11024042fb6c27e179210c1bbd6e1cChet Haase    private AnimatorListener mUnshrinkAnimationListener;
119dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka
120aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
12131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    /**
12231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * Used to inflate the Workspace from XML.
12331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     *
12431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param context The application's context.
1250142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka     * @param attrs The attributes set containing the Workspace's customization values.
12631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     */
12731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    public Workspace(Context context, AttributeSet attrs) {
12831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        this(context, attrs, 0);
12931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
13031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
13131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    /**
13231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * Used to inflate the Workspace from XML.
13331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     *
13431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param context The application's context.
1350142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka     * @param attrs The attributes set containing the Workspace's customization values.
13631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param defStyle Unused.
13731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     */
13831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    public Workspace(Context context, AttributeSet attrs, int defStyle) {
13931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        super(context, attrs, defStyle);
1400142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        mContentIsRefreshable = false;
1410142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        mFadeInAdjacentScreens = false;
14231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
1438f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn        mWallpaperManager = WallpaperManager.getInstance(context);
144aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
145aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung        TypedArray a = context.obtainStyledAttributes(attrs,
146aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                R.styleable.Workspace, defStyle, 0);
147d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen        int cellCountX = a.getInt(R.styleable.Workspace_cellCountX, DEFAULT_CELL_COUNT_X);
148d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen        int cellCountY = a.getInt(R.styleable.Workspace_cellCountY, DEFAULT_CELL_COUNT_Y);
1490142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        mDefaultPage = a.getInt(R.styleable.Workspace_defaultScreen, 1);
15031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        a.recycle();
15131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
152d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen        LauncherModel.updateWorkspaceLayoutCells(cellCountX, cellCountY);
1530d44e9482b95d8f163b28bf20131c4349185b589Joe Onorato        setHapticFeedbackEnabled(false);
1540142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka
15531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        initWorkspace();
15631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
15731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
15831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    /**
15931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * Initializes various states for this workspace.
16031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     */
1610142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    protected void initWorkspace() {
1620589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato        Context context = getContext();
1630142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        mCurrentPage = mDefaultPage;
1640142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        Launcher.setScreen(mCurrentPage);
1650589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato        LauncherApplication app = (LauncherApplication)context.getApplicationContext();
1660589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato        mIconCache = app.getIconCache();
16731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
168b1254a6bdb11024042fb6c27e179210c1bbd6e1cChet Haase        mUnshrinkAnimationListener = new AnimatorListener() {
169b1254a6bdb11024042fb6c27e179210c1bbd6e1cChet Haase            public void onAnimationStart(Animator animation) {}
170b1254a6bdb11024042fb6c27e179210c1bbd6e1cChet Haase            public void onAnimationEnd(Animator animation) {
171dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka                mIsSmall = false;
172dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka            }
173b1254a6bdb11024042fb6c27e179210c1bbd6e1cChet Haase            public void onAnimationCancel(Animator animation) {}
174b1254a6bdb11024042fb6c27e179210c1bbd6e1cChet Haase            public void onAnimationRepeat(Animator animation) {}
175dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        };
1760142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka
1770142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        mSnapVelocity = 600;
17831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
17931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
18031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    @Override
18131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    public void addView(View child, int index, LayoutParams params) {
18231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        if (!(child instanceof CellLayout)) {
18331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            throw new IllegalArgumentException("A Workspace can only have CellLayout children.");
18431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
18531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        super.addView(child, index, params);
18631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
18731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
18831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    @Override
18931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    public void addView(View child) {
19031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        if (!(child instanceof CellLayout)) {
19131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            throw new IllegalArgumentException("A Workspace can only have CellLayout children.");
19231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
19331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        super.addView(child);
19431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
19531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
19631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    @Override
19731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    public void addView(View child, int index) {
19831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        if (!(child instanceof CellLayout)) {
19931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            throw new IllegalArgumentException("A Workspace can only have CellLayout children.");
20031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
20131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        super.addView(child, index);
20231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
20331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
20431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    @Override
20531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    public void addView(View child, int width, int height) {
20631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        if (!(child instanceof CellLayout)) {
20731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            throw new IllegalArgumentException("A Workspace can only have CellLayout children.");
20831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
20931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        super.addView(child, width, height);
21031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
21131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
21231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    @Override
21331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    public void addView(View child, LayoutParams params) {
21431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        if (!(child instanceof CellLayout)) {
21531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            throw new IllegalArgumentException("A Workspace can only have CellLayout children.");
21631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
21731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        super.addView(child, params);
21831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
21931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
22031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    /**
22131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @return The open folder on the current screen, or null if there is none
22231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     */
22331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    Folder getOpenFolder() {
2240142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        CellLayout currentPage = (CellLayout) getChildAt(mCurrentPage);
2250142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        int count = currentPage.getChildCount();
22631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        for (int i = 0; i < count; i++) {
2270142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            View child = currentPage.getChildAt(i);
228aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung            if (child instanceof Folder) {
229aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                Folder folder = (Folder) child;
230aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                if (folder.getInfo().opened)
231aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                    return folder;
23231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            }
23331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
23431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        return null;
23531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
23631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
23731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    ArrayList<Folder> getOpenFolders() {
238dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        final int screenCount = getChildCount();
239dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        ArrayList<Folder> folders = new ArrayList<Folder>(screenCount);
24031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
241dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        for (int screen = 0; screen < screenCount; screen++) {
2420142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            CellLayout currentPage = (CellLayout) getChildAt(screen);
2430142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            int count = currentPage.getChildCount();
24431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            for (int i = 0; i < count; i++) {
2450142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka                View child = currentPage.getChildAt(i);
246aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                if (child instanceof Folder) {
247aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                    Folder folder = (Folder) child;
248aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                    if (folder.getInfo().opened)
249aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                        folders.add(folder);
25031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                    break;
25131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                }
25231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            }
25331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
25431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
25531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        return folders;
25631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
25731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
2580142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    boolean isDefaultPageShowing() {
2590142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        return mCurrentPage == mDefaultPage;
26031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
26131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
26231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    /**
26331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * Sets the current screen.
26431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     *
2650142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka     * @param currentPage
26631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     */
2670142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    @Override
2680142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    void setCurrentPage(int currentPage) {
2690142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        super.setCurrentPage(currentPage);
2700142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        updateWallpaperOffset(mScrollX);
27131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
27231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
27331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    /**
27431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * Adds the specified child in the current screen. The position and dimension of
27531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * the child are defined by x, y, spanX and spanY.
27631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     *
27731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param child The child to add in one of the workspace's screens.
27831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param x The X position of the child in the screen's grid.
27931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param y The Y position of the child in the screen's grid.
28031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param spanX The number of cells spanned horizontally by the child.
28131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param spanY The number of cells spanned vertically by the child.
28231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     */
28331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    void addInCurrentScreen(View child, int x, int y, int spanX, int spanY) {
2840142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        addInScreen(child, mCurrentPage, x, y, spanX, spanY, false);
28531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
28631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
28731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    /**
28831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * Adds the specified child in the current screen. The position and dimension of
28931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * the child are defined by x, y, spanX and spanY.
29031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     *
29131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param child The child to add in one of the workspace's screens.
29231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param x The X position of the child in the screen's grid.
29331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param y The Y position of the child in the screen's grid.
29431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param spanX The number of cells spanned horizontally by the child.
29531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param spanY The number of cells spanned vertically by the child.
29631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param insert When true, the child is inserted at the beginning of the children list.
29731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     */
29831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    void addInCurrentScreen(View child, int x, int y, int spanX, int spanY, boolean insert) {
2990142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        addInScreen(child, mCurrentPage, x, y, spanX, spanY, insert);
30031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
30131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
30231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    /**
30331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * Adds the specified child in the specified screen. The position and dimension of
30431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * the child are defined by x, y, spanX and spanY.
30531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     *
30631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param child The child to add in one of the workspace's screens.
30731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param screen The screen in which to add the child.
30831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param x The X position of the child in the screen's grid.
30931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param y The Y position of the child in the screen's grid.
31031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param spanX The number of cells spanned horizontally by the child.
31131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param spanY The number of cells spanned vertically by the child.
31231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     */
31331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    void addInScreen(View child, int screen, int x, int y, int spanX, int spanY) {
31431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        addInScreen(child, screen, x, y, spanX, spanY, false);
31531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
31631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
317aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung    void addInFullScreen(View child, int screen) {
318aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung        addInScreen(child, screen, 0, 0, -1, -1);
319aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung    }
320aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
32131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    /**
32231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * Adds the specified child in the specified screen. The position and dimension of
32331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * the child are defined by x, y, spanX and spanY.
32431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     *
32531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param child The child to add in one of the workspace's screens.
32631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param screen The screen in which to add the child.
32731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param x The X position of the child in the screen's grid.
32831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param y The Y position of the child in the screen's grid.
32931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param spanX The number of cells spanned horizontally by the child.
33031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param spanY The number of cells spanned vertically by the child.
33131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     * @param insert When true, the child is inserted at the beginning of the children list.
33231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project     */
33331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    void addInScreen(View child, int screen, int x, int y, int spanX, int spanY, boolean insert) {
33431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        if (screen < 0 || screen >= getChildCount()) {
335291ad12232c98e383d44d76ffe09e97e204c61bcDaniel Sandler            Log.e(TAG, "The screen must be >= 0 and < " + getChildCount()
336291ad12232c98e383d44d76ffe09e97e204c61bcDaniel Sandler                + " (was " + screen + "); skipping child");
337291ad12232c98e383d44d76ffe09e97e204c61bcDaniel Sandler            return;
33831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
33931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
34031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        final CellLayout group = (CellLayout) getChildAt(screen);
34131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams();
34231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        if (lp == null) {
34331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            lp = new CellLayout.LayoutParams(x, y, spanX, spanY);
34431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        } else {
34531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            lp.cellX = x;
34631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            lp.cellY = y;
34731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            lp.cellHSpan = spanX;
34831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            lp.cellVSpan = spanY;
34931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
350aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
3516569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy        // Get the canonical child id to uniquely represent this view in this screen
352d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen        int childId = LauncherModel.getCellLayoutChildId(child.getId(), screen, x, y, spanX, spanY);
353aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung        if (!group.addViewToCellLayout(child, insert ? 0 : -1, childId, lp)) {
354aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung            // TODO: This branch occurs when the workspace is adding views
355aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung            // outside of the defined grid
3566569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy            // maybe we should be deleting these items from the LauncherModel?
357aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung            Log.w(TAG, "Failed to add to item at (" + lp.cellX + "," + lp.cellY + ") to CellLayout");
358aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung        }
359aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
36031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        if (!(child instanceof Folder)) {
3610d44e9482b95d8f163b28bf20131c4349185b589Joe Onorato            child.setHapticFeedbackEnabled(false);
36231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            child.setOnLongClickListener(mLongClickListener);
36331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
36400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato        if (child instanceof DropTarget) {
365aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung            mDragController.addDropTarget((DropTarget) child);
36600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato        }
36731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
36831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
369a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka    CellLayout.CellInfo updateOccupiedCellsForCurrentScreen(boolean[] occupied) {
3700142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        CellLayout group = (CellLayout) getChildAt(mCurrentPage);
37131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        if (group != null) {
372c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka            return group.updateOccupiedCells(occupied, null);
37331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
37431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        return null;
37531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
37631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
377dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka    public boolean onTouch(View v, MotionEvent event) {
378dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        // this is an intercepted event being forwarded from a cell layout
379dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        if (mIsSmall) {
3802b9ff37edb3f5965559b3ff7d37e418b4a2917a1Patrick Dubroy            mLauncher.onWorkspaceClick((CellLayout) v);
38196226223d9849842bb2a67af051acbae9e0677d5Michael Jurka            return true;
382dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        }
383dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        return false;
3840e26059548e429e5d1c973bebe4c561bead2926fMichael Jurka    }
3850e26059548e429e5d1c973bebe4c561bead2926fMichael Jurka
3860142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    protected void pageBeginMoving() {
3870142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        if (mNextPage != INVALID_PAGE) {
3880142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            // we're snapping to a particular screen
3890142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            enableChildrenCache(mCurrentPage, mNextPage);
3900142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        } else {
3910142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            // this is when user is actively dragging a particular screen, they might
3920142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            // swipe it either left or right (but we won't advance by more than one screen)
3930142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            enableChildrenCache(mCurrentPage - 1, mCurrentPage + 1);
39431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
39531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
39631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
3970142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    protected void pageEndMoving() {
3980142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        clearChildrenCache();
3990142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    }
4000142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka
4010142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    @Override
4020142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    protected void notifyPageSwitchListener() {
4030142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        super.notifyPageSwitchListener();
4040142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka
4050142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        if (mPreviousIndicator != null) {
4060142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            // if we know the next page, we show the indication for it right away; it looks
4070142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            // weird if the indicators are lagging
4080142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            int page = mNextPage;
4090142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            if (page == INVALID_PAGE) {
4100142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka                page = mCurrentPage;
4110142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            }
4120142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            mPreviousIndicator.setLevel(page);
4130142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            mNextIndicator.setLevel(page);
4140142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        }
4150142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        Launcher.setScreen(mCurrentPage);
4160142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    };
4170142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka
4188f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn    private void updateWallpaperOffset() {
419798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy        updateWallpaperOffset(getChildAt(getChildCount() - 1).getRight() - (mRight - mLeft));
420798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy    }
421798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy
422798300c4c05b12228f2e4f31c49c3cb728a37889Romain Guy    private void updateWallpaperOffset(int scrollRange) {
42386f7753bbd6d87ce85195b0715e5548edbfdb7d1Winson Chung        final boolean isStaticWallpaper = (mWallpaperManager != null) &&
42486f7753bbd6d87ce85195b0715e5548edbfdb7d1Winson Chung                (mWallpaperManager.getWallpaperInfo() == null);
42586f7753bbd6d87ce85195b0715e5548edbfdb7d1Winson Chung        if (LauncherApplication.isScreenXLarge() && !isStaticWallpaper) {
42686f7753bbd6d87ce85195b0715e5548edbfdb7d1Winson Chung            IBinder token = getWindowToken();
42786f7753bbd6d87ce85195b0715e5548edbfdb7d1Winson Chung            if (token != null) {
42886f7753bbd6d87ce85195b0715e5548edbfdb7d1Winson Chung                mWallpaperManager.setWallpaperOffsetSteps(1.0f / (getChildCount() - 1), 0 );
42986f7753bbd6d87ce85195b0715e5548edbfdb7d1Winson Chung                mWallpaperManager.setWallpaperOffsets(getWindowToken(),
43086f7753bbd6d87ce85195b0715e5548edbfdb7d1Winson Chung                        Math.max(0.f, Math.min(mScrollX/(float)scrollRange, 1.f)), 0);
43186f7753bbd6d87ce85195b0715e5548edbfdb7d1Winson Chung            }
432956091ba7863bd72086275e61084864994dd6fa7Joe Onorato        }
4338f573952b8729b4319043ae0908997ecd2d68951Dianne Hackborn    }
434aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
43500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato    protected void onAttachedToWindow() {
43600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato        super.onAttachedToWindow();
437956091ba7863bd72086275e61084864994dd6fa7Joe Onorato        computeScroll();
43800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato        mDragController.setWindowToken(getWindowToken());
43900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato    }
44000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato
44131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    @Override
44231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
4430142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        super.onLayout(changed, left, top, right, bottom);
444aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
44579212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka        // if shrinkToBottom() is called on initialization, it has to be deferred
44679212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka        // until after the first call to onLayout so that it has the correct width
44779212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka        if (mWaitingToShrinkToBottom) {
44879212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka            shrinkToBottom(false);
44979212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka            mWaitingToShrinkToBottom = false;
45079212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka        }
45179212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka
452aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung        if (LauncherApplication.isInPlaceRotationEnabled()) {
453aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung            // When the device is rotated, the scroll position of the current screen
454aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung            // needs to be refreshed
4550142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            setCurrentPage(getCurrentPage());
456aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung        }
45731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
45831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
45931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    @Override
4600142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    protected void dispatchDraw(Canvas canvas) {
4610142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        if (mIsSmall) {
4620142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            // Draw all the workspaces if we're small
4630142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            final int pageCount = getChildCount();
4640142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            final long drawingTime = getDrawingTime();
4650142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            for (int i = 0; i < pageCount; i++) {
4660142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka                final View page = (View) getChildAt(i);
4670142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka
4680142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka                if (page.getAlpha() != 1.0f) {
4690142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka                    page.setAlpha(1.0f);
4700142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka                }
4710142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka                drawChild(canvas, page, drawingTime);
4720142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            }
4730142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        } else {
4740142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            super.dispatchDraw(canvas);
47531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
47631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
47731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
47831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    @Override
47931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    protected boolean onRequestFocusInDescendants(int direction, Rect previouslyFocusedRect) {
480678862186af4ea70d9b4012c9bc127e7fea5e607Joe Onorato        if (!mLauncher.isAllAppsVisible()) {
48131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            final Folder openFolder = getOpenFolder();
48231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            if (openFolder != null) {
48331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                return openFolder.requestFocus(direction, previouslyFocusedRect);
48431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            } else {
4850142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka                return super.onRequestFocusInDescendants(direction, previouslyFocusedRect);
48631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            }
48731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
48831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        return false;
48931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
49031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
49131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    @Override
492c2e24c0a37ddeab930f731c062705d435e477f75Romain Guy    public void addFocusables(ArrayList<View> views, int direction, int focusableMode) {
493678862186af4ea70d9b4012c9bc127e7fea5e607Joe Onorato        if (!mLauncher.isAllAppsVisible()) {
49431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            final Folder openFolder = getOpenFolder();
4950142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            if (openFolder != null) {
49631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                openFolder.addFocusables(views, direction);
4970142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            } else {
4980142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka                super.addFocusables(views, direction, focusableMode);
49931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            }
50031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
50131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
50231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
50331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    @Override
5047bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato    public boolean dispatchTouchEvent(MotionEvent ev) {
5057bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato        if (ev.getAction() == MotionEvent.ACTION_DOWN) {
50654dd75463d0eb47c2f468e19063bdc4141dfdf74Michael Jurka            // (In XLarge mode, the workspace is shrunken below all apps, and responds to taps
50754dd75463d0eb47c2f468e19063bdc4141dfdf74Michael Jurka            // ie when you click on a mini-screen, it zooms back to that screen)
5086b4adbc0558fcebbd44998bd00dcd334ddbee32dJoe Onorato            if (!LauncherApplication.isScreenXLarge() && mLauncher.isAllAppsVisible()) {
5097bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato                return false;
5107bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato            }
5117bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato        }
5127bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato        return super.dispatchTouchEvent(ev);
5137bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato    }
5147bb1749c69384faf00b238f0684d3b2e23406451Joe Onorato
5150142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    void enableChildrenCache(int fromPage, int toPage) {
5160142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        if (fromPage > toPage) {
5170142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            final int temp = fromPage;
5180142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            fromPage = toPage;
5190142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            toPage = temp;
5203a2b3f2be58843d26549fb0ec6c6533627c7cd19Mike Cleron        }
521aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
522dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        final int screenCount = getChildCount();
523fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell
5240142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        fromPage = Math.max(fromPage, 0);
5250142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        toPage = Math.min(toPage, screenCount - 1);
526fea5d0250767ab938f623a404e6292a32dd2fdf5Adam Powell
5270142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        for (int i = fromPage; i <= toPage; i++) {
52831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            final CellLayout layout = (CellLayout) getChildAt(i);
52931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            layout.setChildrenDrawnWithCacheEnabled(true);
53031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            layout.setChildrenDrawingCacheEnabled(true);
53131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
53231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
53331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
53431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    void clearChildrenCache() {
535dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        final int screenCount = getChildCount();
536dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        for (int i = 0; i < screenCount; i++) {
53731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            final CellLayout layout = (CellLayout) getChildAt(i);
53831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            layout.setChildrenDrawnWithCacheEnabled(false);
53931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
54031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
54131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
54231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    @Override
54331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    public boolean onTouchEvent(MotionEvent ev) {
5442bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato        if (mLauncher.isAllAppsVisible()) {
5452bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato            // Cancel any scrolling that is in progress.
5462bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato            if (!mScroller.isFinished()) {
5472bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato                mScroller.abortAnimation();
5482bc6b7c2b8b651dde0a65c64c127f5b85c1290d2Joe Onorato            }
5490142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            snapToPage(mCurrentPage);
5507c312c15e33b6cffbda707429e88ade498fc9f5eJoe Onorato            return false; // We don't want the events.  Let them fall through to the all apps view.
55131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
55231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
5530142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        return super.onTouchEvent(ev);
55431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
555aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
55601f0ed4126be412c8c4352026dad3b2a49832267Michael Jurka    public boolean isSmall() {
55701f0ed4126be412c8c4352026dad3b2a49832267Michael Jurka        return mIsSmall;
55801f0ed4126be412c8c4352026dad3b2a49832267Michael Jurka    }
55901f0ed4126be412c8c4352026dad3b2a49832267Michael Jurka
5606b509c1fd62a39916bb957eac07917161f549206Patrick Dubroy    void shrinkToTop(boolean animated) {
5610142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        shrink(ShrinkPosition.SHRINK_TO_TOP, animated);
56201f0ed4126be412c8c4352026dad3b2a49832267Michael Jurka    }
56301f0ed4126be412c8c4352026dad3b2a49832267Michael Jurka
56401f0ed4126be412c8c4352026dad3b2a49832267Michael Jurka    void shrinkToMiddle() {
5650142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        shrink(ShrinkPosition.SHRINK_TO_MIDDLE, true);
566213d96354e7407dba5c9715eb10d04bebd82c395Michael Jurka    }
567213d96354e7407dba5c9715eb10d04bebd82c395Michael Jurka
568213d96354e7407dba5c9715eb10d04bebd82c395Michael Jurka    void shrinkToBottom() {
56979212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka        shrinkToBottom(true);
57079212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka    }
57179212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka
57279212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka    void shrinkToBottom(boolean animated) {
57379212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka        if (mFirstLayout) {
57479212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka            // (mFirstLayout == "first layout has not happened yet")
57579212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka            // if we get a call to shrink() as part of our initialization (for example, if
57679212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka            // Launcher is started in All Apps mode) then we need to wait for a layout call
57779212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka            // to get our width so we can layout the mini-screen views correctly
57879212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka            mWaitingToShrinkToBottom = true;
57979212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka        } else {
5800142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            shrink(ShrinkPosition.SHRINK_TO_BOTTOM, animated);
58179212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka        }
582213d96354e7407dba5c9715eb10d04bebd82c395Michael Jurka    }
583213d96354e7407dba5c9715eb10d04bebd82c395Michael Jurka
584a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen    private float getYScaleForScreen(int screen) {
585a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen        int x = Math.abs(screen - 2);
586a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen
587a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen        // TODO: This should be generalized for use with arbitrary rotation angles.
588a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen        switch(x) {
589a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen            case 0: return EXTRA_SCALE_FACTOR_0;
590a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen            case 1: return EXTRA_SCALE_FACTOR_1;
591a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen            case 2: return EXTRA_SCALE_FACTOR_2;
592a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen        }
593a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen        return 1.0f;
594a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen    }
595a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen
596dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka    // we use this to shrink the workspace for the all apps view and the customize view
5970142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    private void shrink(ShrinkPosition shrinkPosition, boolean animated) {
598dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        mIsSmall = true;
5997247f6315baf16eacb3286f21bd80321385c1defPatrick Dubroy        final Resources res = getResources();
600dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        final int screenWidth = getWidth();
601213d96354e7407dba5c9715eb10d04bebd82c395Michael Jurka        final int screenHeight = getHeight();
6020142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka
6030142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        // Making the assumption that all pages have the same width as the 0th
6040142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        final int pageWidth = getChildAt(0).getMeasuredWidth();
6050142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        final int pageHeight = getChildAt(0).getMeasuredHeight();
6060142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka
6070142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        final int scaledPageWidth = (int) (SHRINK_FACTOR * pageWidth);
6080142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        final int scaledPageHeight = (int) (SHRINK_FACTOR * pageHeight);
609a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen        final float extraScaledSpacing = res.getDimension(R.dimen.smallScreenExtraSpacing);
610dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka
611dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        final int screenCount = getChildCount();
612a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen        float totalWidth = screenCount * scaledPageWidth + (screenCount - 1) * extraScaledSpacing;
613213d96354e7407dba5c9715eb10d04bebd82c395Michael Jurka
614213d96354e7407dba5c9715eb10d04bebd82c395Michael Jurka        float newY = getResources().getDimension(R.dimen.smallScreenVerticalMargin);
6150142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        if (shrinkPosition == ShrinkPosition.SHRINK_TO_BOTTOM) {
6160142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            newY = screenHeight - newY - scaledPageHeight;
6170142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        } else if (shrinkPosition == ShrinkPosition.SHRINK_TO_MIDDLE) {
6180142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            newY = screenHeight / 2 - scaledPageHeight / 2;
619213d96354e7407dba5c9715eb10d04bebd82c395Michael Jurka        }
620dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka
621dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        // We animate all the screens to the centered position in workspace
622dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        // At the same time, the screens become greyed/dimmed
623dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka
624dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        // newX is initialized to the left-most position of the centered screens
6250142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        float newX = mScroller.getFinalX() + screenWidth / 2 - totalWidth / 2;
626a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen
627a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen        // We are going to scale about the center of the view, so we need to adjust the positions
628a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen        // of the views accordingly
629a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen        newX -= (pageWidth - scaledPageWidth) / 2.0f;
630a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen        newY -= (pageHeight - scaledPageHeight) / 2.0f;
631dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        for (int i = 0; i < screenCount; i++) {
632dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka            CellLayout cl = (CellLayout) getChildAt(i);
633a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen
634a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen            float rotation = (-i + 2) * MINI_PAGE_MAX_ROTATION / 2.0f;
635a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen            float rotationScaleX = (float) (1.0f / Math.cos(Math.PI * rotation / 180.0f));
636a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen            float rotationScaleY = getYScaleForScreen(i);
637a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen
63879212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka            if (animated) {
6397247f6315baf16eacb3286f21bd80321385c1defPatrick Dubroy                final int duration = res.getInteger(R.integer.config_workspaceShrinkTime);
640b1254a6bdb11024042fb6c27e179210c1bbd6e1cChet Haase                new ObjectAnimator(duration, cl,
641df7c3a7853abd4dec460247370fe0b17b50866acPatrick Dubroy                        new PropertyValuesHolder("x", newX),
642df7c3a7853abd4dec460247370fe0b17b50866acPatrick Dubroy                        new PropertyValuesHolder("y", newY),
643a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen                        new PropertyValuesHolder("scaleX", SHRINK_FACTOR * rotationScaleX),
644a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen                        new PropertyValuesHolder("scaleY", SHRINK_FACTOR * rotationScaleY),
645a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen                        new PropertyValuesHolder("dimmedBitmapAlpha", 1.0f),
646a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen                        new PropertyValuesHolder("rotationY", rotation)).start();
64779212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka            } else {
64879212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka                cl.setX((int)newX);
64979212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka                cl.setY((int)newY);
65079212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka                cl.setScaleX(SHRINK_FACTOR);
65179212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka                cl.setScaleY(SHRINK_FACTOR);
65279212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka                cl.setDimmedBitmapAlpha(1.0f);
653a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen                cl.setRotationY(rotation);
65479212d81361d1ad8c941c48f8323eb526643ca68Michael Jurka            }
655dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka            // increment newX for the next screen
656a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen            newX += scaledPageWidth + extraScaledSpacing;
657dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka            cl.setOnInterceptTouchListener(this);
658dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        }
659dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        setChildrenDrawnWithCacheEnabled(true);
660dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka    }
661dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka
662dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka    // We call this when we trigger an unshrink by clicking on the CellLayout cl
6632b9ff37edb3f5965559b3ff7d37e418b4a2917a1Patrick Dubroy    public void unshrink(CellLayout clThatWasClicked) {
6640142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        int newCurrentPage = mCurrentPage;
6654cb3724a2c1e5f278e1531d643accc40fcd8e219Michael Jurka        final int screenCount = getChildCount();
6664cb3724a2c1e5f278e1531d643accc40fcd8e219Michael Jurka        for (int i = 0; i < screenCount; i++) {
6674cb3724a2c1e5f278e1531d643accc40fcd8e219Michael Jurka            if (getChildAt(i) == clThatWasClicked) {
6680142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka                newCurrentPage = i;
6694cb3724a2c1e5f278e1531d643accc40fcd8e219Michael Jurka            }
6704cb3724a2c1e5f278e1531d643accc40fcd8e219Michael Jurka        }
6710142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        unshrink(newCurrentPage);
6724cb3724a2c1e5f278e1531d643accc40fcd8e219Michael Jurka    }
6734cb3724a2c1e5f278e1531d643accc40fcd8e219Michael Jurka
6740142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    private void unshrink(int newCurrentPage) {
675b0f28bd9a52fa4e343c8299d1c3e225d8e01c1e9Michael Jurka        if (mIsSmall) {
6760142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            int delta = (newCurrentPage - mCurrentPage)*getWidth();
6774cb3724a2c1e5f278e1531d643accc40fcd8e219Michael Jurka
678b0f28bd9a52fa4e343c8299d1c3e225d8e01c1e9Michael Jurka            final int screenCount = getChildCount();
679b0f28bd9a52fa4e343c8299d1c3e225d8e01c1e9Michael Jurka            for (int i = 0; i < screenCount; i++) {
680b0f28bd9a52fa4e343c8299d1c3e225d8e01c1e9Michael Jurka                CellLayout cl = (CellLayout) getChildAt(i);
681b0f28bd9a52fa4e343c8299d1c3e225d8e01c1e9Michael Jurka                cl.setX(cl.getX() + delta);
682b0f28bd9a52fa4e343c8299d1c3e225d8e01c1e9Michael Jurka            }
6830142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            snapToPage(newCurrentPage);
684b0f28bd9a52fa4e343c8299d1c3e225d8e01c1e9Michael Jurka            unshrink();
6850142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka
6860142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            setCurrentPage(newCurrentPage);
687b0f28bd9a52fa4e343c8299d1c3e225d8e01c1e9Michael Jurka        }
688dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka    }
689dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka
6904cb3724a2c1e5f278e1531d643accc40fcd8e219Michael Jurka    void unshrink() {
6914cb3724a2c1e5f278e1531d643accc40fcd8e219Michael Jurka        unshrink(true);
6924cb3724a2c1e5f278e1531d643accc40fcd8e219Michael Jurka    }
6934cb3724a2c1e5f278e1531d643accc40fcd8e219Michael Jurka
6944cb3724a2c1e5f278e1531d643accc40fcd8e219Michael Jurka    void unshrink(boolean animated) {
695b0f28bd9a52fa4e343c8299d1c3e225d8e01c1e9Michael Jurka        if (mIsSmall) {
696b1254a6bdb11024042fb6c27e179210c1bbd6e1cChet Haase            AnimatorSet s = new AnimatorSet();
697b0f28bd9a52fa4e343c8299d1c3e225d8e01c1e9Michael Jurka            final int screenCount = getChildCount();
6984cb3724a2c1e5f278e1531d643accc40fcd8e219Michael Jurka
6994cb3724a2c1e5f278e1531d643accc40fcd8e219Michael Jurka            final int duration = getResources().getInteger(R.integer.config_workspaceUnshrinkTime);
700b0f28bd9a52fa4e343c8299d1c3e225d8e01c1e9Michael Jurka            for (int i = 0; i < screenCount; i++) {
7017247f6315baf16eacb3286f21bd80321385c1defPatrick Dubroy                final CellLayout cl = (CellLayout)getChildAt(i);
7024cb3724a2c1e5f278e1531d643accc40fcd8e219Michael Jurka                if (animated) {
7034cb3724a2c1e5f278e1531d643accc40fcd8e219Michael Jurka                    s.playTogether(
704b1254a6bdb11024042fb6c27e179210c1bbd6e1cChet Haase                            new ObjectAnimator<Float>(duration, cl, "translationX", 0.0f),
705b1254a6bdb11024042fb6c27e179210c1bbd6e1cChet Haase                            new ObjectAnimator<Float>(duration, cl, "translationY", 0.0f),
706b1254a6bdb11024042fb6c27e179210c1bbd6e1cChet Haase                            new ObjectAnimator<Float>(duration, cl, "scaleX", 1.0f),
707b1254a6bdb11024042fb6c27e179210c1bbd6e1cChet Haase                            new ObjectAnimator<Float>(duration, cl, "scaleY", 1.0f),
708a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen                            new ObjectAnimator<Float>(duration, cl, "dimmedBitmapAlpha", 0.0f),
709a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen                            new ObjectAnimator<Float>(duration, cl, "rotationY", 0.0f));
7104cb3724a2c1e5f278e1531d643accc40fcd8e219Michael Jurka                } else {
7114cb3724a2c1e5f278e1531d643accc40fcd8e219Michael Jurka                    cl.setTranslationX(0.0f);
7124cb3724a2c1e5f278e1531d643accc40fcd8e219Michael Jurka                    cl.setTranslationY(0.0f);
7134cb3724a2c1e5f278e1531d643accc40fcd8e219Michael Jurka                    cl.setScaleX(1.0f);
7144cb3724a2c1e5f278e1531d643accc40fcd8e219Michael Jurka                    cl.setScaleY(1.0f);
7154cb3724a2c1e5f278e1531d643accc40fcd8e219Michael Jurka                    cl.setDimmedBitmapAlpha(0.0f);
716a985e598f6071f4caca15ba3cb6b2cd3e38b217dAdam Cohen                    cl.setRotationY(0.0f);
7174cb3724a2c1e5f278e1531d643accc40fcd8e219Michael Jurka                }
718b0f28bd9a52fa4e343c8299d1c3e225d8e01c1e9Michael Jurka            }
719b0f28bd9a52fa4e343c8299d1c3e225d8e01c1e9Michael Jurka            s.addListener(mUnshrinkAnimationListener);
720b0f28bd9a52fa4e343c8299d1c3e225d8e01c1e9Michael Jurka            s.start();
721dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        }
722dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka    }
723dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka
72431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    void startDrag(CellLayout.CellInfo cellInfo) {
72531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        View child = cellInfo.cell;
726aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
72731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        // Make sure the drag was started by a long press as opposed to a long click.
7287984c9496bcaeca23ee7fdecc4d4f1bb2467e0f2Bjorn Bringert        if (!child.isInTouchMode()) {
72931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            return;
73031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
731aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
73231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        mDragInfo = cellInfo;
7330142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        mDragInfo.screen = mCurrentPage;
734aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
7350142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        CellLayout current = ((CellLayout) getChildAt(mCurrentPage));
73631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
73731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        current.onDragChild(child);
73800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato        mDragController.startDrag(child, this, child.getTag(), DragController.DRAG_ACTION_MOVE);
73931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        invalidate();
74031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
74131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
7420589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato    void addApplicationShortcut(ShortcutInfo info, CellLayout.CellInfo cellInfo) {
74331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        addApplicationShortcut(info, cellInfo, false);
74431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
74531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
7460589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato    void addApplicationShortcut(ShortcutInfo info, CellLayout.CellInfo cellInfo,
74731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            boolean insertAtFirst) {
74831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        final CellLayout layout = (CellLayout) getChildAt(cellInfo.screen);
74931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        final int[] result = new int[2];
75031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
75131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        layout.cellToPoint(cellInfo.cellX, cellInfo.cellY, result);
75231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        onDropExternal(result[0], result[1], info, layout, insertAtFirst);
75331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
75431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
75500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato    public void onDrop(DragSource source, int x, int y, int xOffset, int yOffset,
75600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato            DragView dragView, Object dragInfo) {
757a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        CellLayout cellLayout = getCurrentDropLayout();
758a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        int originX = x - xOffset;
759a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        int originY = y - yOffset;
760a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        if (mIsSmall) {
761a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            // find out which target layout is over
762a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            final float[] localXY = mTempDragCoordinates;
763a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            localXY[0] = originX;
764a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            localXY[1] = originY;
765a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            final float[] localBottomRightXY = mTempDragBottomRightCoordinates;
766a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            // we need to subtract left/top here because DragController already adds
767a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            // dragRegionLeft/Top to xOffset and yOffset
768a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            localBottomRightXY[0] = originX + dragView.getDragRegionWidth();
769a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            localBottomRightXY[1] = originY + dragView.getDragRegionHeight();
7700142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            cellLayout =  findMatchingPageForDragOver(localXY, localBottomRightXY);
771a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            if (cellLayout == null) {
772a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                // cancel the drag if we're not over a mini-screen at time of drop
773a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                // TODO: maybe add a nice fade here?
774a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                return;
775a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            }
776a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            // localXY will be transformed into the local screen's coordinate space; save that info
777a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            originX = (int)localXY[0];
778a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            originY = (int)localXY[1];
779a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        }
78031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        if (source != this) {
781a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            onDropExternal(originX, originY, dragInfo, cellLayout);
78231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        } else {
78331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            // Move internally
78431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            if (mDragInfo != null) {
78531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                final View cell = mDragInfo.cell;
7860142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka                int index = mScroller.isFinished() ? mCurrentPage : mNextPage;
78752d9cb32608e7c3d065b4fb8e97269e238f1683eRomain Guy                if (index != mDragInfo.screen) {
78831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                    final CellLayout originalCellLayout = (CellLayout) getChildAt(mDragInfo.screen);
78931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                    originalCellLayout.removeView(cell);
790aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                    addInScreen(cell, index, mDragInfo.cellX, mDragInfo.cellY,
791aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                            mDragInfo.spanX, mDragInfo.spanY);
79231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                }
793a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka
794a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                mTargetCell = estimateDropCell(originX, originY,
795aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                        mDragInfo.spanX, mDragInfo.spanY, cell, cellLayout,
796aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                        mTargetCell);
797aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                cellLayout.onDropChild(cell);
79831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
799aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                // update the item's position after drop
80084f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy                final ItemInfo info = (ItemInfo) cell.getTag();
801aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                CellLayout.LayoutParams lp = (CellLayout.LayoutParams) cell
802aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                        .getLayoutParams();
803aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                lp.cellX = mTargetCell[0];
804aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                lp.cellY = mTargetCell[1];
805aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
80631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                LauncherModel.moveItemInDatabase(mLauncher, info,
807aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                        LauncherSettings.Favorites.CONTAINER_DESKTOP, index,
808aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                        lp.cellX, lp.cellY);
80931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            }
81031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
81131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
81231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
813aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung    public void onDragEnter(DragSource source, int x, int y, int xOffset,
814aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung            int yOffset, DragView dragView, Object dragInfo) {
81531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
81631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
817440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy    public DropTarget getDropTargetDelegate(DragSource source, int x, int y, int xOffset, int yOffset,
8186569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy            DragView dragView, Object dragInfo) {
8196569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy
820440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy        // We may need to delegate the drag to a child view. If a 1x1 item
821440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy        // would land in a cell occupied by a DragTarget (e.g. a Folder),
822440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy        // then drag events should be handled by that child.
823440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy
8246569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy        ItemInfo item = (ItemInfo)dragInfo;
825440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy        CellLayout currentLayout = getCurrentDropLayout();
826440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy
827440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy        int dragPointX, dragPointY;
828440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy        if (item.spanX == 1 && item.spanY == 1) {
829440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy            // For a 1x1, calculate the drop cell exactly as in onDragOver
830440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy            dragPointX = x - xOffset;
831440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy            dragPointY = y - yOffset;
832440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy        } else {
833440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy            // Otherwise, use the exact drag coordinates
834440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy            dragPointX = x;
835440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy            dragPointY = y;
836440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy        }
837440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy
838440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy        // If we are dragging over a cell that contains a DropTarget that will
839440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy        // accept the drop, delegate to that DropTarget.
840440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy        final int[] cellXY = mTempCell;
841440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy        currentLayout.estimateDropCell(dragPointX, dragPointY, item.spanX, item.spanY, cellXY);
842440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy        View child = currentLayout.getChildAt(cellXY[0], cellXY[1]);
843440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy        if (child instanceof DropTarget) {
844440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy            DropTarget target = (DropTarget)child;
845440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy            if (target.acceptDrop(source, x, y, xOffset, yOffset, dragView, dragInfo)) {
846440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy                return target;
847440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy            }
848440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy        }
849440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy        return null;
850440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy    }
8516569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy
852a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka    // xy = upper left corner of item being dragged
853a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka    // bottomRightXy = lower right corner of item being dragged
854a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka    // This method will see which mini-screen is most overlapped by the item being dragged, and
855a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka    // return it. It will also transform the parameters xy and bottomRightXy into the local
856a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka    // coordinate space of the returned screen
8570142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    private CellLayout findMatchingPageForDragOver(float[] xy, float[] bottomRightXy) {
858a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        float x = xy[0];
859a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        float y = xy[1];
860a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        float right = bottomRightXy[0];
861a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        float bottom = bottomRightXy[1];
862a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka
863a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        float bestX = 0;
864a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        float bestY = 0;
865a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        float bestRight = 0;
866a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        float bestBottom = 0;
867a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka
868a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        Matrix inverseMatrix = new Matrix();
869a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka
870a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        // We loop through all the screens (ie CellLayouts) and see which one overlaps the most
871a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        // with the item being dragged.
872a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        final int screenCount = getChildCount();
873a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        CellLayout bestMatchingScreen = null;
874a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        float bestOverlapSoFar = 0;
875a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        for (int i = 0; i < screenCount; i++) {
876a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            CellLayout cl = (CellLayout)getChildAt(i);
877a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            // Transform the coordinates of the item being dragged to the CellLayout's coordinates
878a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            float left = cl.getLeft();
879a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            float top = cl.getTop();
880a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            xy[0] = x + mScrollX - left;
881a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            xy[1] = y + mScrollY - top;
882a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            cl.getMatrix().invert(inverseMatrix);
883a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka
884a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            bottomRightXy[0] = right + mScrollX - left;
885a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            bottomRightXy[1] = bottom + mScrollY - top;
886a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka
887a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            inverseMatrix.mapPoints(xy);
888a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            inverseMatrix.mapPoints(bottomRightXy);
889a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka
890a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            float dragRegionX = xy[0];
891a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            float dragRegionY = xy[1];
892a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            float dragRegionRight = bottomRightXy[0];
893a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            float dragRegionBottom = bottomRightXy[1];
894a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka
895a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            // Find the overlapping region
896a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            float overlapLeft = Math.max(0f, dragRegionX);
897a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            float overlapTop = Math.max(0f, dragRegionY);
898a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            float overlapBottom = Math.min(cl.getHeight(), dragRegionBottom);
899a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            float overlapRight = Math.min(cl.getWidth(), dragRegionRight);
900a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka
901a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            if (overlapRight >= 0 && overlapLeft <= cl.getWidth() &&
902a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                    overlapTop >= 0 && overlapBottom <= cl.getHeight()) {
903a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                // Calculate the size of the overlapping region
904a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                float overlap = (overlapRight - overlapLeft) * (overlapBottom - overlapTop);
905a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                if (overlap > bestOverlapSoFar) {
906a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                    bestOverlapSoFar = overlap;
907a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                    bestMatchingScreen = cl;
908a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                    bestX = xy[0];
909a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                    bestY = xy[1];
910a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                    bestRight = bottomRightXy[0];
911a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                    bestBottom = bottomRightXy[1];
912a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                }
913a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka             }
914a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        }
915a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        if (bestMatchingScreen != null && bestMatchingScreen != mDragTargetLayout) {
916a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            if (mDragTargetLayout != null) {
917a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                mDragTargetLayout.onDragComplete();
918a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            }
919a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            mDragTargetLayout = bestMatchingScreen;
920a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        }
921a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        xy[0] = bestX;
922a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        xy[1] = bestY;
923a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        bottomRightXy[0] = bestRight;
924a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        bottomRightXy[1] = bestBottom;
925a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        return bestMatchingScreen;
926a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka    }
927a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka
928440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy    public void onDragOver(DragSource source, int x, int y, int xOffset, int yOffset,
929440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy            DragView dragView, Object dragInfo) {
930440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy
931976ebec9e31643d3513f9f0de2b433d9aa186ce9Patrick Dubroy        final ItemInfo item = (ItemInfo)dragInfo;
932a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        CellLayout currentLayout = getCurrentDropLayout();
9336569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy
9346569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy        if (dragInfo instanceof LauncherAppWidgetInfo) {
9356569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy            LauncherAppWidgetInfo widgetInfo = (LauncherAppWidgetInfo)dragInfo;
9366569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy
9376569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy            if (widgetInfo.spanX == -1) {
9386569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy                // Calculate the grid spans needed to fit this widget
9398f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy                int[] spans = currentLayout.rectToCell(widgetInfo.minWidth, widgetInfo.minHeight, null);
9406569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy                item.spanX = spans[0];
9416569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy                item.spanY = spans[1];
9426569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy            }
9436569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy        }
944a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        int originX = x - xOffset;
945a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        int originY = y - yOffset;
946a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        if (mIsSmall) {
947a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            // find out which mini screen the dragged item is over
948a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            final float[] localXY = mTempDragCoordinates;
949a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            localXY[0] = originX;
950a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            localXY[1] = originY;
951a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            final float[] localBottomRightXY = mTempDragBottomRightCoordinates;
952a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka
953a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            localBottomRightXY[0] = originX + dragView.getDragRegionWidth();
954a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            localBottomRightXY[1] = originY + dragView.getDragRegionHeight();
9550142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            currentLayout = findMatchingPageForDragOver(localXY, localBottomRightXY);
956a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            if (currentLayout != null) {
957a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                currentLayout.setHover(true);
958a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            }
959a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka
960a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            originX = (int)localXY[0];
961a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            originY = (int)localXY[1];
962a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        }
963a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka
964a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        if (source != this) {
965a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            // This is a hack to fix the point used to determine which cell an icon from the all
966a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            // apps screen is over
967a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            if (item != null && item.spanX == 1 && currentLayout != null) {
968a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                int dragRegionLeft = (dragView.getWidth() - currentLayout.getCellWidth()) / 2;
969a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka
970a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                originX += dragRegionLeft - dragView.getDragRegionLeft();
971a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                if (dragView.getDragRegionWidth() != currentLayout.getCellWidth()) {
972a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                    dragView.setDragRegion(dragView.getDragRegionLeft(), dragView.getDragRegionTop(),
973a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                            currentLayout.getCellWidth(), dragView.getDragRegionHeight());
974a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                }
975a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            }
976a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        }
9776569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy        if (currentLayout != mDragTargetLayout) {
9786569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy            if (mDragTargetLayout != null) {
9796569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy                mDragTargetLayout.onDragComplete();
9806569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy            }
9816569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy            mDragTargetLayout = currentLayout;
9826569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy        }
9836569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy
984a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        // only visualize the drop locations for moving icons within the home screen on tablet
985a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        // on phone, we also visualize icons dragged in from All Apps
986a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka        if ((!LauncherApplication.isScreenXLarge() || source == this)
987a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                && mDragTargetLayout != null) {
988a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            final View child = (mDragInfo == null) ? null : mDragInfo.cell;
989a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            mDragTargetLayout.visualizeDropLocation(
990a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                    child, originX, originY, item.spanX, item.spanY);
991976ebec9e31643d3513f9f0de2b433d9aa186ce9Patrick Dubroy        }
99231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
99331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
994aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung    public void onDragExit(DragSource source, int x, int y, int xOffset,
995aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung            int yOffset, DragView dragView, Object dragInfo) {
9966569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy        if (mDragTargetLayout != null) {
9976569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy            mDragTargetLayout.onDragComplete();
9986569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy            mDragTargetLayout = null;
9996569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy        }
100031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
100131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
1002aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung    private void onDropExternal(int x, int y, Object dragInfo,
1003aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung            CellLayout cellLayout) {
100431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        onDropExternal(x, y, dragInfo, cellLayout, false);
100531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
1006aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
10072b9ff37edb3f5965559b3ff7d37e418b4a2917a1Patrick Dubroy    /**
10082b9ff37edb3f5965559b3ff7d37e418b4a2917a1Patrick Dubroy     * Add the item specified by dragInfo to the given layout.
10092b9ff37edb3f5965559b3ff7d37e418b4a2917a1Patrick Dubroy     * This is basically the equivalent of onDropExternal, except it's not initiated
10102b9ff37edb3f5965559b3ff7d37e418b4a2917a1Patrick Dubroy     * by drag and drop.
10112b9ff37edb3f5965559b3ff7d37e418b4a2917a1Patrick Dubroy     * @return true if successful
10122b9ff37edb3f5965559b3ff7d37e418b4a2917a1Patrick Dubroy     */
10132b9ff37edb3f5965559b3ff7d37e418b4a2917a1Patrick Dubroy    public boolean addExternalItemToScreen(Object dragInfo, View layout) {
10142b9ff37edb3f5965559b3ff7d37e418b4a2917a1Patrick Dubroy        CellLayout cl = (CellLayout) layout;
10152b9ff37edb3f5965559b3ff7d37e418b4a2917a1Patrick Dubroy        ItemInfo info = (ItemInfo) dragInfo;
10162b9ff37edb3f5965559b3ff7d37e418b4a2917a1Patrick Dubroy
10172b9ff37edb3f5965559b3ff7d37e418b4a2917a1Patrick Dubroy        final CellLayout.CellInfo cellInfo = cl.updateOccupiedCells(null, null);
10182b9ff37edb3f5965559b3ff7d37e418b4a2917a1Patrick Dubroy        if (cellInfo.findCellForSpan(mTempEstimate, info.spanX, info.spanY)) {
10192b9ff37edb3f5965559b3ff7d37e418b4a2917a1Patrick Dubroy            onDropExternal(0, 0, dragInfo, cl, false);
10202b9ff37edb3f5965559b3ff7d37e418b4a2917a1Patrick Dubroy            return true;
10212b9ff37edb3f5965559b3ff7d37e418b4a2917a1Patrick Dubroy        }
10222b9ff37edb3f5965559b3ff7d37e418b4a2917a1Patrick Dubroy        return false;
10232b9ff37edb3f5965559b3ff7d37e418b4a2917a1Patrick Dubroy    }
10242b9ff37edb3f5965559b3ff7d37e418b4a2917a1Patrick Dubroy
1025aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung    private void onDropExternal(int x, int y, Object dragInfo,
1026aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung            CellLayout cellLayout, boolean insertAtFirst) {
102731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        // Drag from somewhere else
102831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        ItemInfo info = (ItemInfo) dragInfo;
102931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
1030af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka        View view = null;
103131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
103231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        switch (info.itemType) {
103331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION:
103431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT:
1035e48e7c1a62e6a367803dca62c8fce9de57121b0fJoe Onorato            if (info.container == NO_ID && info instanceof ApplicationInfo) {
103631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                // Came from all apps -- make a copy
1037aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                info = new ShortcutInfo((ApplicationInfo) info);
103831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            }
1039aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung            view = mLauncher.createShortcut(R.layout.application, cellLayout,
1040aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                    (ShortcutInfo) info);
104131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            break;
104231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        case LauncherSettings.Favorites.ITEM_TYPE_USER_FOLDER:
104331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            view = FolderIcon.fromXml(R.layout.folder_icon, mLauncher,
10440142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka                    (ViewGroup) getChildAt(mCurrentPage),
1045aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                    ((UserFolderInfo) info));
104631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            break;
1047af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka        case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET:
1048af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka            cellLayout.setTagToCellInfoForPoint(x, y);
1049a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            int[] position = new int[2];
1050a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            position[0] = x;
1051a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            position[1] = y;
1052a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka            mLauncher.addAppWidgetFromDrop(((LauncherAppWidgetInfo)dragInfo).providerName,
1053a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka                    cellLayout.getTag(), position);
1054af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka            break;
105531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        default:
1056aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung            throw new IllegalStateException("Unknown item type: "
1057aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                    + info.itemType);
105831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
105931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
10606569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy        // If the view is null, it has already been added.
10616569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy        if (view == null) {
10626569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy            cellLayout.onDragComplete();
10636569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy        } else {
10646569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy            mTargetCell = estimateDropCell(x, y, 1, 1, view, cellLayout, mTargetCell);
1065aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung            addInScreen(view, indexOfChild(cellLayout), mTargetCell[0],
1066aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                    mTargetCell[1], info.spanX, info.spanY, insertAtFirst);
1067aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung            cellLayout.onDropChild(view);
10686569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy            CellLayout.LayoutParams lp = (CellLayout.LayoutParams) view.getLayoutParams();
106931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
1070af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka            LauncherModel.addOrMoveItemInDatabase(mLauncher, info,
10710142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka                    LauncherSettings.Favorites.CONTAINER_DESKTOP, mCurrentPage,
1072aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                    lp.cellX, lp.cellY);
1073af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka        }
107431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
1075aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
107670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey    /**
107770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey     * Return the current {@link CellLayout}, correctly picking the destination
107870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey     * screen while a scroll is in progress.
107970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey     */
108070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey    private CellLayout getCurrentDropLayout() {
10810142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        int index = mScroller.isFinished() ? mCurrentPage : mNextPage;
108270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey        return (CellLayout) getChildAt(index);
108370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey    }
108431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
108570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey    /**
108670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey     * {@inheritDoc}
108770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey     */
108870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey    public boolean acceptDrop(DragSource source, int x, int y,
108900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato            int xOffset, int yOffset, DragView dragView, Object dragInfo) {
10904c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy        final CellLayout layout = getCurrentDropLayout();
1091c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka        final CellLayout.CellInfo dragCellInfo = mDragInfo;
1092c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka        final int spanX = dragCellInfo == null ? 1 : dragCellInfo.spanX;
1093c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka        final int spanY = dragCellInfo == null ? 1 : dragCellInfo.spanY;
10944c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy
1095c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka        final View ignoreView = dragCellInfo == null ? null : dragCellInfo.cell;
1096c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka        final CellLayout.CellInfo cellInfo = layout.updateOccupiedCells(null, ignoreView);
10974c58c485d8c02f8ca7e8b4d93140440f6a3a5131Romain Guy
1098c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka        if (cellInfo.findCellForSpan(mTempEstimate, spanX, spanY)) {
10990e26059548e429e5d1c973bebe4c561bead2926fMichael Jurka            return true;
11000e26059548e429e5d1c973bebe4c561bead2926fMichael Jurka        } else {
11010e26059548e429e5d1c973bebe4c561bead2926fMichael Jurka            Toast.makeText(getContext(), getContext().getString(R.string.out_of_space), Toast.LENGTH_SHORT).show();
11020e26059548e429e5d1c973bebe4c561bead2926fMichael Jurka            return false;
11030e26059548e429e5d1c973bebe4c561bead2926fMichael Jurka        }
110470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey    }
1105aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
110670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey    /**
110770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey     * {@inheritDoc}
110870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey     */
110970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey    public Rect estimateDropLocation(DragSource source, int x, int y,
111000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato            int xOffset, int yOffset, DragView dragView, Object dragInfo, Rect recycle) {
111170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey        final CellLayout layout = getCurrentDropLayout();
1112aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
111331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        final CellLayout.CellInfo cellInfo = mDragInfo;
111470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey        final int spanX = cellInfo == null ? 1 : cellInfo.spanX;
111570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey        final int spanY = cellInfo == null ? 1 : cellInfo.spanY;
111670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey        final View ignoreView = cellInfo == null ? null : cellInfo.cell;
1117aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
111870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey        final Rect location = recycle != null ? recycle : new Rect();
1119aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
112070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey        // Find drop cell and convert into rectangle
1121aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung        int[] dropCell = estimateDropCell(x - xOffset, y - yOffset, spanX,
1122aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                spanY, ignoreView, layout, mTempCell);
1123aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
112470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey        if (dropCell == null) {
112570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey            return null;
112670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey        }
1127aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
112870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey        layout.cellToPoint(dropCell[0], dropCell[1], mTempEstimate);
112970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey        location.left = mTempEstimate[0];
113070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey        location.top = mTempEstimate[1];
1131aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
113270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey        layout.cellToPoint(dropCell[0] + spanX, dropCell[1] + spanY, mTempEstimate);
113370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey        location.right = mTempEstimate[0];
113470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey        location.bottom = mTempEstimate[1];
1135aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
113670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey        return location;
113731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
113831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
113970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey    /**
114070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey     * Calculate the nearest cell where the given object would be dropped.
114170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey     */
1142263e019baafb3b6cbcfdef9c81d74a4bea769180Romain Guy    private int[] estimateDropCell(int pixelX, int pixelY,
114370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey            int spanX, int spanY, View ignoreView, CellLayout layout, int[] recycle) {
11446569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy
11456569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy        final int[] cellXY = mTempCell;
11466569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy        layout.estimateDropCell(pixelX, pixelY, spanX, spanY, cellXY);
11476569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy        layout.cellToPoint(cellXY[0], cellXY[1], mTempEstimate);
11486569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy
1149c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka        final CellLayout.CellInfo cellInfo = layout.updateOccupiedCells(null, ignoreView);
115070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey        // Find the best target drop location
1151c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka        return layout.findNearestVacantArea(mTempEstimate[0], mTempEstimate[1], spanX, spanY, cellInfo, recycle);
115270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey    }
1153aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
11548f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy    /**
11558f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy     * Estimate the size that a child with the given dimensions will take in the current screen.
11568f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy     */
11578f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy    void estimateChildSize(int minWidth, int minHeight, int[] result) {
11580142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        ((CellLayout)getChildAt(mCurrentPage)).estimateChildSize(minWidth, minHeight, result);
11598f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy    }
11608f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy
116131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    void setLauncher(Launcher launcher) {
116231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        mLauncher = launcher;
116331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
116431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
116500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato    public void setDragController(DragController dragController) {
116600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato        mDragController = dragController;
116731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
116831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
116931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    public void onDropCompleted(View target, boolean success) {
1170aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung        if (success) {
117131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            if (target != this && mDragInfo != null) {
117231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                final CellLayout cellLayout = (CellLayout) getChildAt(mDragInfo.screen);
117331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                cellLayout.removeView(mDragInfo.cell);
117400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato                if (mDragInfo.cell instanceof DropTarget) {
117500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato                    mDragController.removeDropTarget((DropTarget)mDragInfo.cell);
117600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato                }
1177aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                // final Object tag = mDragInfo.cell.getTag();
117831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            }
117931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        } else {
118031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            if (mDragInfo != null) {
118131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                final CellLayout cellLayout = (CellLayout) getChildAt(mDragInfo.screen);
118231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                cellLayout.onDropAborted(mDragInfo.cell);
118331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            }
118431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
118531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
118631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        mDragInfo = null;
118731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
118831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
11890142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    @Override
11900142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    protected void onRestoreInstanceState(Parcelable state) {
11910142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        super.onRestoreInstanceState(state);
11920142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        Launcher.setScreen(mCurrentPage);
11930142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    }
11940142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka
11950142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    @Override
119631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    public void scrollLeft() {
11977f0f4f3c35fe0b6a94504ec39ac127fa935282efMichael Jurka        if (!mIsSmall) {
11980142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            super.scrollLeft();
119931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
120031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
120131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
12020142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    @Override
120331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    public void scrollRight() {
12047f0f4f3c35fe0b6a94504ec39ac127fa935282efMichael Jurka        if (!mIsSmall) {
12050142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            super.scrollRight();
120631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
120731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
1208138a04170d964da9cdec228e95b976875ae52481Karl Rosaen
120931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    public Folder getFolderForTag(Object tag) {
1210dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        final int screenCount = getChildCount();
121131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        for (int screen = 0; screen < screenCount; screen++) {
121231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            CellLayout currentScreen = ((CellLayout) getChildAt(screen));
121331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            int count = currentScreen.getChildCount();
121431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            for (int i = 0; i < count; i++) {
121531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                View child = currentScreen.getChildAt(i);
121631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams();
121731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                if (lp.cellHSpan == 4 && lp.cellVSpan == 4 && child instanceof Folder) {
121831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                    Folder f = (Folder) child;
1219aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                    if (f.getInfo() == tag && f.getInfo().opened) {
122031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                        return f;
122131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                    }
122231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                }
122331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            }
122431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
122531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        return null;
122631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
122731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
122831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    public View getViewForTag(Object tag) {
122931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        int screenCount = getChildCount();
123031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        for (int screen = 0; screen < screenCount; screen++) {
123131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            CellLayout currentScreen = ((CellLayout) getChildAt(screen));
123231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            int count = currentScreen.getChildCount();
123331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            for (int i = 0; i < count; i++) {
123431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                View child = currentScreen.getChildAt(i);
123531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                if (child.getTag() == tag) {
123631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                    return child;
123731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                }
123831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            }
123931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
124031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        return null;
124131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
124231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
124331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
124464e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato    void removeItems(final ArrayList<ApplicationInfo> apps) {
1245dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        final int screenCount = getChildCount();
12465c16f3ecd6b47bff3abbe40deb3d39c66a3b0012Romain Guy        final PackageManager manager = getContext().getPackageManager();
1247629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy        final AppWidgetManager widgets = AppWidgetManager.getInstance(getContext());
1248574d20ec84551370987dde530c27ec493bdef564Romain Guy
124964e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato        final HashSet<String> packageNames = new HashSet<String>();
125064e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato        final int appCount = apps.size();
125164e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato        for (int i = 0; i < appCount; i++) {
125264e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato            packageNames.add(apps.get(i).componentName.getPackageName());
125364e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato        }
125464e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato
1255dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        for (int i = 0; i < screenCount; i++) {
125631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project            final CellLayout layout = (CellLayout) getChildAt(i);
1257629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy
1258629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy            // Avoid ANRs by treating each screen separately
1259629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy            post(new Runnable() {
1260629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                public void run() {
1261629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                    final ArrayList<View> childrenToRemove = new ArrayList<View>();
1262629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                    childrenToRemove.clear();
1263aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
1264629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                    int childCount = layout.getChildCount();
1265629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                    for (int j = 0; j < childCount; j++) {
1266629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                        final View view = layout.getChildAt(j);
1267629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                        Object tag = view.getTag();
1268aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
12690589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato                        if (tag instanceof ShortcutInfo) {
12700589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato                            final ShortcutInfo info = (ShortcutInfo) tag;
1271629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                            final Intent intent = info.intent;
1272629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                            final ComponentName name = intent.getComponent();
1273aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
127464e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                            if (Intent.ACTION_MAIN.equals(intent.getAction()) && name != null) {
127564e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                for (String packageName: packageNames) {
127664e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                    if (packageName.equals(name.getPackageName())) {
127764e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                        // TODO: This should probably be done on a worker thread
127864e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                        LauncherModel.deleteItemFromDatabase(mLauncher, info);
127964e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                        childrenToRemove.add(view);
128064e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                    }
128164e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                }
1282629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                            }
1283629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                        } else if (tag instanceof UserFolderInfo) {
1284629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                            final UserFolderInfo info = (UserFolderInfo) tag;
12850589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato                            final ArrayList<ShortcutInfo> contents = info.contents;
12860589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato                            final ArrayList<ShortcutInfo> toRemove = new ArrayList<ShortcutInfo>(1);
1287629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                            final int contentsCount = contents.size();
1288629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                            boolean removedFromFolder = false;
1289aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
1290629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                            for (int k = 0; k < contentsCount; k++) {
12910589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato                                final ShortcutInfo appInfo = contents.get(k);
1292629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                                final Intent intent = appInfo.intent;
1293629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                                final ComponentName name = intent.getComponent();
1294aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
129564e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                if (Intent.ACTION_MAIN.equals(intent.getAction()) && name != null) {
129664e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                    for (String packageName: packageNames) {
129764e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                        if (packageName.equals(name.getPackageName())) {
129864e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                            toRemove.add(appInfo);
129964e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                            // TODO: This should probably be done on a worker thread
130064e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                            LauncherModel.deleteItemFromDatabase(
130164e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                                    mLauncher, appInfo);
130264e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                            removedFromFolder = true;
130364e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                        }
130464e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                    }
1305629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                                }
1306629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                            }
1307aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
1308629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                            contents.removeAll(toRemove);
1309629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                            if (removedFromFolder) {
1310629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                                final Folder folder = getOpenFolder();
1311aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                                if (folder != null)
1312aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                                    folder.notifyDataSetChanged();
1313629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                            }
1314629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                        } else if (tag instanceof LiveFolderInfo) {
1315629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                            final LiveFolderInfo info = (LiveFolderInfo) tag;
1316629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                            final Uri uri = info.uri;
1317629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                            final ProviderInfo providerInfo = manager.resolveContentProvider(
1318629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                                    uri.getAuthority(), 0);
1319629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy
1320f11079b11e98912ed56546eaa300efd06c6eb917Joe Onorato                            if (providerInfo != null) {
132164e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                for (String packageName: packageNames) {
132264e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                    if (packageName.equals(providerInfo.packageName)) {
132364e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                        // TODO: This should probably be done on a worker thread
132464e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                        LauncherModel.deleteItemFromDatabase(mLauncher, info);
1325aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                                        childrenToRemove.add(view);
132664e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                    }
132764e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                }
1328629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                            }
1329629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                        } else if (tag instanceof LauncherAppWidgetInfo) {
1330629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                            final LauncherAppWidgetInfo info = (LauncherAppWidgetInfo) tag;
1331629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                            final AppWidgetProviderInfo provider =
1332629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                                    widgets.getAppWidgetInfo(info.appWidgetId);
1333e1cc6c3745c9ba721b6ab888d74c9d9e1d13ea6aDaniel Sandler                            if (provider != null) {
133464e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                for (String packageName: packageNames) {
133564e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                    if (packageName.equals(provider.provider.getPackageName())) {
133664e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                        // TODO: This should probably be done on a worker thread
133764e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                        LauncherModel.deleteItemFromDatabase(mLauncher, info);
1338aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                                        childrenToRemove.add(view);
133964e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                    }
134064e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                }
1341629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                            }
1342574d20ec84551370987dde530c27ec493bdef564Romain Guy                        }
1343574d20ec84551370987dde530c27ec493bdef564Romain Guy                    }
1344aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
1345629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                    childCount = childrenToRemove.size();
1346629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                    for (int j = 0; j < childCount; j++) {
1347629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                        View child = childrenToRemove.get(j);
1348629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                        layout.removeViewInLayout(child);
1349629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                        if (child instanceof DropTarget) {
1350629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                            mDragController.removeDropTarget((DropTarget)child);
1351629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                        }
1352574d20ec84551370987dde530c27ec493bdef564Romain Guy                    }
1353aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung
1354629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                    if (childCount > 0) {
1355629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                        layout.requestLayout();
1356629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy                        layout.invalidate();
13575c16f3ecd6b47bff3abbe40deb3d39c66a3b0012Romain Guy                    }
135831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project                }
1359629de3ef739883c0962423cc0c3a26299f162d3dRomain Guy            });
136031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project        }
136131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
1362f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project
136364e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato    void updateShortcuts(ArrayList<ApplicationInfo> apps) {
13649c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato        final PackageManager pm = mLauncher.getPackageManager();
13659c1289cb3bfb74f86e53ec7ac6dd76bb39666b2dJoe Onorato
1366dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        final int screenCount = getChildCount();
1367dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka        for (int i = 0; i < screenCount; i++) {
1368f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project            final CellLayout layout = (CellLayout) getChildAt(i);
1369f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project            int childCount = layout.getChildCount();
1370f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project            for (int j = 0; j < childCount; j++) {
1371f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project                final View view = layout.getChildAt(j);
1372f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project                Object tag = view.getTag();
13730589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato                if (tag instanceof ShortcutInfo) {
13740589f0f66ce498512c6ee47482c649d88294c9d0Joe Onorato                    ShortcutInfo info = (ShortcutInfo)tag;
1375f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project                    // We need to check for ACTION_MAIN otherwise getComponent() might
1376f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project                    // return null for some shortcuts (for instance, for shortcuts to
1377f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project                    // web pages.)
1378f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project                    final Intent intent = info.intent;
1379f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project                    final ComponentName name = intent.getComponent();
1380f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project                    if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION &&
138164e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                            Intent.ACTION_MAIN.equals(intent.getAction()) && name != null) {
138264e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                        final int appCount = apps.size();
1383aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung                        for (int k = 0; k < appCount; k++) {
138464e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                            ApplicationInfo app = apps.get(k);
138564e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                            if (app.componentName.equals(name)) {
138664e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                info.setIcon(mIconCache.getIcon(info.intent));
138764e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                ((TextView)view).setCompoundDrawablesWithIntrinsicBounds(null,
138864e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                        new FastBitmapDrawable(info.getIcon(mIconCache)),
138964e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                        null, null);
139064e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                                }
139164e6be78dc72e1a89fe8fb95c502586f9260df28Joe Onorato                        }
1392f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project                    }
1393f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project                }
1394f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project            }
1395f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project        }
1396f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project    }
1397f96811cdf564469a7a654a0c876288c9fd14f35eThe Android Open Source Project
139814f122bf847e50a3e7730ccbe57abc25d086a01bJoe Onorato    void moveToDefaultScreen(boolean animate) {
1399c45b16862918a0c6c253bba12032165b030565afJoe Onorato        if (animate) {
14004cb3724a2c1e5f278e1531d643accc40fcd8e219Michael Jurka            if (mIsSmall) {
14010142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka                unshrink(mDefaultPage);
14024cb3724a2c1e5f278e1531d643accc40fcd8e219Michael Jurka            } else {
14030142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka                snapToPage(mDefaultPage);
14044cb3724a2c1e5f278e1531d643accc40fcd8e219Michael Jurka            }
1405c45b16862918a0c6c253bba12032165b030565afJoe Onorato        } else {
14060142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka            setCurrentPage(mDefaultPage);
1407c45b16862918a0c6c253bba12032165b030565afJoe Onorato        }
14080142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        getChildAt(mDefaultPage).requestFocus();
140931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
141031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
14118a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy    void setIndicators(Drawable previous, Drawable next) {
14128a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy        mPreviousIndicator = previous;
14138a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy        mNextIndicator = next;
14140142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        previous.setLevel(mCurrentPage);
14150142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka        next.setLevel(mCurrentPage);
14168a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy    }
14178a73c51ee87b6d9b12daba188034889caf7a905bRomain Guy
14180142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    @Override
14190142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    public void syncPages() {
14200142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    }
142131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project
14220142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    @Override
14230142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka    public void syncPageItems(int page) {
142431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project    }
14250142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka
142631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project}
1427