CellLayout.java revision 8e58e916061cbe2623697efac0924f2aa3753a92
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 196569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroyimport com.android.launcher.R; 20aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 214be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.animation.Animator; 224be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.animation.AnimatorListenerAdapter; 2318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurkaimport android.animation.AnimatorSet; 2418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurkaimport android.animation.ObjectAnimator; 2500397b1d9233409d9d6b233b077ae12d09768ce8Chet Haaseimport android.animation.TimeInterpolator; 26de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.animation.ValueAnimator; 27de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.animation.ValueAnimator.AnimatorUpdateListener; 28aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.app.WallpaperManager; 2931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.Context; 3079e56263dbcbe85dc434df372bc6e6730aa13477Joe Onoratoimport android.content.res.Resources; 31aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.content.res.TypedArray; 324be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.graphics.Bitmap; 33aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.graphics.Canvas; 344be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.graphics.Paint; 35de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.graphics.Point; 36de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.graphics.PointF; 3731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Rect; 3831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.RectF; 3918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurkaimport android.graphics.Region; 406569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroyimport android.graphics.drawable.Drawable; 4131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.util.AttributeSet; 424be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.util.Log; 4331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ContextMenu; 4431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.MotionEvent; 4531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.View; 4631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewDebug; 4731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewGroup; 48aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.view.animation.Animation; 49150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chungimport android.view.animation.DecelerateInterpolator; 50aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.view.animation.LayoutAnimationController; 5131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 528e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroyimport java.util.Arrays; 538e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy 54f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohenpublic class CellLayout extends ViewGroup implements Dimmable { 55aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung static final String TAG = "CellLayout"; 56aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 5731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCellWidth; 5831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCellHeight; 59aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 60aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mLeftPadding; 61aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mRightPadding; 62aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mTopPadding; 63aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mBottomPadding; 64aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 65d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen private int mCountX; 66d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen private int mCountY; 6731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mWidthGap; 6931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mHeightGap; 7031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final Rect mRect = new Rect(); 728f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy private final RectF mRectF = new RectF(); 7331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final CellInfo mCellInfo = new CellInfo(); 74aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 75de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // These are temporary variables to prevent having to allocate a new object just to 76de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // return an (x, y) value from helper functions. Do NOT use them to maintain other state. 776569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy private final int[] mTmpCellXY = new int[2]; 78de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final int[] mTmpPoint = new int[2]; 79de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final PointF mTmpPointF = new PointF(); 806569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 8131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean[][] mOccupied; 8231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 83dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka private OnTouchListener mInterceptTouchListener; 84dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 855f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka private float mBackgroundAlpha; 86f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen 875f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka private Drawable mBackground; 88f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen private Drawable mBackgroundMini; 89f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen private Drawable mBackgroundMiniHover; 901262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy private Drawable mBackgroundHover; 913e7c7634531302271270c8cf418abc959d621cbcMichael Jurka private Drawable mBackgroundMiniAcceptsDrops; 9218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka private Rect mBackgroundRect; 9318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka private Rect mHoverRect; 9418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka private float mHoverScale; 9518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka private float mHoverAlpha; 963e7c7634531302271270c8cf418abc959d621cbcMichael Jurka private boolean mAcceptsDrops; 971262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy 981262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy // If we're actively dragging something over this screen, mHover is true 99a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka private boolean mHover = false; 100dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 101de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final Point mDragCenter = new Point(); 1026569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 103150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung // These arrays are used to implement the drag visualization on x-large screens. 1044be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // They are used as circular arrays, indexed by mDragOutlineCurrent. 1054be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private Point[] mDragOutlines = new Point[8]; 106472b281d5cb4f5660df981a6c912266b9f5703feChet Haase private float[] mDragOutlineAlphas = new float[mDragOutlines.length]; 1074be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private InterruptibleInOutAnimator[] mDragOutlineAnims = 1084be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato new InterruptibleInOutAnimator[mDragOutlines.length]; 109150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 110150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung // Used as an index into the above 3 arrays; indicates which is the most current value. 1114be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private int mDragOutlineCurrent = 0; 1128e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy private final Paint mDragOutlinePaint = new Paint(); 113150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 114de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private Drawable mCrosshairsDrawable = null; 11549250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy private InterruptibleInOutAnimator mCrosshairsAnimator = null; 116de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private float mCrosshairsVisibility = 0.0f; 117de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 1186569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // When a drag operation is in progress, holds the nearest cell to the touch point 1196569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy private final int[] mDragCell = new int[2]; 12031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 121aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private final WallpaperManager mWallpaperManager; 12231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1234be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private boolean mDragging = false; 1244be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 125ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy private ObjectAnimator mDropAnim; 126ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy private TimeInterpolator mEaseOutInterpolator; 127ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 12831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context) { 12931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, null); 13031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 13131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context, AttributeSet attrs) { 13331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, attrs, 0); 13431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 13531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context, AttributeSet attrs, int defStyle) { 13731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(context, attrs, defStyle); 1386569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1396569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // A ViewGroup usually does not draw, but CellLayout needs to draw a rectangle to show 1406569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // the user where a dragged item will land when dropped. 1416569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy setWillNotDraw(false); 142a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka 14331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CellLayout, defStyle, 0); 14431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 14531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellWidth = a.getDimensionPixelSize(R.styleable.CellLayout_cellWidth, 10); 14631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellHeight = a.getDimensionPixelSize(R.styleable.CellLayout_cellHeight, 10); 147aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 148d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mLeftPadding = 149d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_xAxisStartPadding, 10); 150d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mRightPadding = 151d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_xAxisEndPadding, 10); 152d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mTopPadding = 153d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_yAxisStartPadding, 10); 154d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mBottomPadding = 155d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_yAxisEndPadding, 10); 156aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 157d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mCountX = LauncherModel.getCellCountX(); 158d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mCountY = LauncherModel.getCellCountY(); 1590280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied = new boolean[mCountX][mCountY]; 16031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 16131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project a.recycle(); 16231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 16331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project setAlwaysDrawnWithCacheEnabled(false); 16431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 165de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mWallpaperManager = WallpaperManager.getInstance(context); 166de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 167046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final Resources res = getResources(); 168de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 169046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy if (LauncherApplication.isScreenXLarge()) { 170150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mBackgroundMini = res.getDrawable(R.drawable.mini_home_screen_bg); 171f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen mBackgroundMini.setFilterBitmap(true); 172150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mBackground = res.getDrawable(R.drawable.home_screen_bg); 173de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mBackground.setFilterBitmap(true); 174150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mBackgroundMiniHover = res.getDrawable(R.drawable.mini_home_screen_bg_hover); 175f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen mBackgroundMiniHover.setFilterBitmap(true); 1761262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy mBackgroundHover = res.getDrawable(R.drawable.home_screen_bg_hover); 1771262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy mBackgroundHover.setFilterBitmap(true); 1783e7c7634531302271270c8cf418abc959d621cbcMichael Jurka mBackgroundMiniAcceptsDrops = res.getDrawable( 1793e7c7634531302271270c8cf418abc959d621cbcMichael Jurka R.drawable.mini_home_screen_bg_accepts_drops); 1803e7c7634531302271270c8cf418abc959d621cbcMichael Jurka mBackgroundMiniAcceptsDrops.setFilterBitmap(true); 181046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy } 182de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 183046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Initialize the data structures used for the drag visualization. 184150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 185046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy mCrosshairsDrawable = res.getDrawable(R.drawable.gardening_crosshairs); 186ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy mEaseOutInterpolator = new DecelerateInterpolator(2.5f); // Quint ease out 187de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 188046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Set up the animation for fading the crosshairs in and out 189046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy int animDuration = res.getInteger(R.integer.config_crosshairsFadeInTime); 19049250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy mCrosshairsAnimator = new InterruptibleInOutAnimator(animDuration, 0.0f, 1.0f); 191472b281d5cb4f5660df981a6c912266b9f5703feChet Haase mCrosshairsAnimator.getAnimator().addUpdateListener(new AnimatorUpdateListener() { 192046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy public void onAnimationUpdate(ValueAnimator animation) { 193046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy mCrosshairsVisibility = ((Float) animation.getAnimatedValue()).floatValue(); 1948e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy invalidate(); 195046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy } 196046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy }); 197ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy mCrosshairsAnimator.getAnimator().setInterpolator(mEaseOutInterpolator); 198046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy 1994be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlines.length; i++) { 2004be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragOutlines[i] = new Point(-1, -1); 201046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy } 202046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy 203046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // When dragging things around the home screens, we show a green outline of 204046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // where the item will land. The outlines gradually fade out, leaving a trail 205046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // behind the drag path. 206046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Set up all the animations that are used to implement this fading. 207046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final int duration = res.getInteger(R.integer.config_dragOutlineFadeTime); 208472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float fromAlphaValue = 0; 209472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float toAlphaValue = (float)res.getInteger(R.integer.config_dragOutlineMaxAlpha); 2104be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 2118e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy Arrays.fill(mDragOutlineAlphas, fromAlphaValue); 2124be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 2134be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlineAnims.length; i++) { 214046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final InterruptibleInOutAnimator anim = 215046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy new InterruptibleInOutAnimator(duration, fromAlphaValue, toAlphaValue); 216ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy anim.getAnimator().setInterpolator(mEaseOutInterpolator); 217046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final int thisIndex = i; 218472b281d5cb4f5660df981a6c912266b9f5703feChet Haase anim.getAnimator().addUpdateListener(new AnimatorUpdateListener() { 219de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy public void onAnimationUpdate(ValueAnimator animation) { 2204be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Bitmap outline = (Bitmap)anim.getTag(); 2214be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 2224be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // If an animation is started and then stopped very quickly, we can still 2234be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // get spurious updates we've cleared the tag. Guard against this. 2244be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (outline == null) { 225fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy if (false) { 226fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy Object val = animation.getAnimatedValue(); 227fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy Log.d(TAG, "anim " + thisIndex + " update: " + val + 228fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy ", isStopped " + anim.isStopped()); 229fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy } 2304be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Try to prevent it from continuing to run 2314be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato animation.cancel(); 2324be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } else { 233472b281d5cb4f5660df981a6c912266b9f5703feChet Haase mDragOutlineAlphas[thisIndex] = (Float) animation.getAnimatedValue(); 2344be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int left = mDragOutlines[thisIndex].x; 2354be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int top = mDragOutlines[thisIndex].y; 2364be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato CellLayout.this.invalidate(left, top, 2374be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato left + outline.getWidth(), top + outline.getHeight()); 2384be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 239de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 240de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy }); 2414be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // The animation holds a reference to the drag outline bitmap as long is it's 2424be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // running. This way the bitmap can be GCed when the animations are complete. 243472b281d5cb4f5660df981a6c912266b9f5703feChet Haase anim.getAnimator().addListener(new AnimatorListenerAdapter() { 2444be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato public void onAnimationEnd(Animator animation) { 245472b281d5cb4f5660df981a6c912266b9f5703feChet Haase if ((Float) ((ValueAnimator) animation).getAnimatedValue() == 0f) { 2464be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato anim.setTag(null); 2474be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 2484be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 2494be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato }); 2504be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragOutlineAnims[i] = anim; 251de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 252ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 253ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy mDropAnim = new ObjectAnimator(); 254ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy mDropAnim.setInterpolator(mEaseOutInterpolator); 255ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 25618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundRect = new Rect(); 25718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mHoverRect = new Rect(); 25818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHoverScale(1.0f); 25918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHoverAlpha(1.0f); 26018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 26118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 26218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka private void updateHoverRect() { 26318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka float marginFraction = (mHoverScale - 1.0f) / 2.0f; 26418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka int marginX = (int) (marginFraction * (mBackgroundRect.right - mBackgroundRect.left)); 26518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka int marginY = (int) (marginFraction * (mBackgroundRect.bottom - mBackgroundRect.top)); 26618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mHoverRect.set(mBackgroundRect.left - marginX, mBackgroundRect.top - marginY, 26718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundRect.right + marginX, mBackgroundRect.bottom + marginY); 26818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka invalidate(); 26918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 27018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 27118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public void setHoverScale(float scaleFactor) { 27218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka if (scaleFactor != mHoverScale) { 27318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mHoverScale = scaleFactor; 27418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka updateHoverRect(); 27518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 27618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 27718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 27818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public float getHoverScale() { 27918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka return mHoverScale; 28018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 28118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 28218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public float getHoverAlpha() { 28318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka return mHoverAlpha; 28418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 28518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 28618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public void setHoverAlpha(float alpha) { 28718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mHoverAlpha = alpha; 28818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka invalidate(); 28918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 29018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 29118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka void animateDrop() { 29218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka if (LauncherApplication.isScreenXLarge()) { 29318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka Resources res = getResources(); 29418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka float onDropScale = res.getInteger(R.integer.config_screenOnDropScalePercent) / 100.0f; 29518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka ObjectAnimator scaleUp = ObjectAnimator.ofFloat(this, "hoverScale", onDropScale); 29618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka scaleUp.setDuration(res.getInteger(R.integer.config_screenOnDropScaleUpDuration)); 29718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka ObjectAnimator scaleDown = ObjectAnimator.ofFloat(this, "hoverScale", 1.0f); 29818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka scaleDown.setDuration(res.getInteger(R.integer.config_screenOnDropScaleDownDuration)); 29918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka ObjectAnimator alphaFadeOut = ObjectAnimator.ofFloat(this, "hoverAlpha", 0.0f); 30018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 30118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka alphaFadeOut.setStartDelay(res.getInteger(R.integer.config_screenOnDropAlphaFadeDelay)); 30218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka alphaFadeOut.setDuration(res.getInteger(R.integer.config_screenOnDropAlphaFadeDelay)); 30318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 30418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka AnimatorSet bouncer = new AnimatorSet(); 30518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka bouncer.play(scaleUp).before(scaleDown); 30618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka bouncer.play(scaleUp).with(alphaFadeOut); 30718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka bouncer.addListener(new AnimatorListenerAdapter() { 30818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public void onAnimationStart(Animator animation) { 30918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHover(true); 31018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 31118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public void onAnimationEnd(Animator animation) { 31218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHover(false); 31318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHoverScale(1.0f); 31418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHoverAlpha(1.0f); 31518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 31618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka }); 31718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka bouncer.start(); 31818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 319a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy } 320a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy 321a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka public void setHover(boolean value) { 322a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka if (mHover != value) { 3233e7c7634531302271270c8cf418abc959d621cbcMichael Jurka mHover = value; 324a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka invalidate(); 325a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 326a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 327a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka 3281262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy public void drawChildren(Canvas canvas) { 3291262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy super.dispatchDraw(canvas); 3301262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy } 3311262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy 332a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy @Override 3331262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy protected void onDraw(Canvas canvas) { 3343e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // When we're large, we are either drawn in a "hover" state (ie when dragging an item to 3353e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // a neighboring page) or with just a normal background (if backgroundAlpha > 0.0f) 3363e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // When we're small, we are either drawn normally or in the "accepts drops" state (during 3373e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // a drag). However, we also drag the mini hover background *over* one of those two 3383e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // backgrounds 3395f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka if (mBackgroundAlpha > 0.0f) { 340f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen Drawable bg; 3411262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy if (getScaleX() < 0.5f) { 3423e7c7634531302271270c8cf418abc959d621cbcMichael Jurka bg = mAcceptsDrops ? mBackgroundMiniAcceptsDrops : mBackgroundMini; 343f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } else { 3441262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy bg = mHover ? mBackgroundHover : mBackground; 345f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 3469c4949e12c909d5e01d24386147b1c528015b31bAdam Cohen if (bg != null) { 3479c4949e12c909d5e01d24386147b1c528015b31bAdam Cohen bg.setAlpha((int) (mBackgroundAlpha * 255)); 34818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka bg.setBounds(mBackgroundRect); 3499c4949e12c909d5e01d24386147b1c528015b31bAdam Cohen bg.draw(canvas); 3509c4949e12c909d5e01d24386147b1c528015b31bAdam Cohen } 3513e7c7634531302271270c8cf418abc959d621cbcMichael Jurka if (mHover && getScaleX() < 0.5f) { 35218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka boolean modifiedClipRect = false; 35318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka if (mHoverScale > 1.0f) { 35418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka // If the hover background's scale is greater than 1, we'll be drawing outside 35518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka // the bounds of this CellLayout. Get around that by temporarily increasing the 35618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka // size of the clip rect 35718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka float marginFraction = (mHoverScale - 1.0f) / 2.0f; 35818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka Rect clipRect = canvas.getClipBounds(); 35918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka int marginX = (int) (marginFraction * (clipRect.right - clipRect.left)); 36018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka int marginY = (int) (marginFraction * (clipRect.bottom - clipRect.top)); 36118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka canvas.save(Canvas.CLIP_SAVE_FLAG); 36218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka canvas.clipRect(-marginX, -marginY, 36318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka getWidth() + marginX, getHeight() + marginY, Region.Op.REPLACE); 36418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka modifiedClipRect = true; 36518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 36618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 36718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundMiniHover.setAlpha((int) (mBackgroundAlpha * mHoverAlpha * 255)); 36818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundMiniHover.setBounds(mHoverRect); 3693e7c7634531302271270c8cf418abc959d621cbcMichael Jurka mBackgroundMiniHover.draw(canvas); 37018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka if (modifiedClipRect) { 37118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka canvas.restore(); 37218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 3733e7c7634531302271270c8cf418abc959d621cbcMichael Jurka } 374a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 37531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 376de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (mCrosshairsVisibility > 0.0f) { 377de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countX = mCountX; 378de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countY = mCountY; 379de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 380de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final float MAX_ALPHA = 0.4f; 381de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int MAX_VISIBLE_DISTANCE = 600; 382de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final float DISTANCE_MULTIPLIER = 0.002f; 383de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 384de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final Drawable d = mCrosshairsDrawable; 385de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int width = d.getIntrinsicWidth(); 386de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int height = d.getIntrinsicHeight(); 387de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 388de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int x = getLeftPadding() - (mWidthGap / 2) - (width / 2); 389de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int col = 0; col <= countX; col++) { 390de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int y = getTopPadding() - (mHeightGap / 2) - (height / 2); 391de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int row = 0; row <= countY; row++) { 392de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mTmpPointF.set(x - mDragCenter.x, y - mDragCenter.y); 393de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy float dist = mTmpPointF.length(); 394de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // Crosshairs further from the drag point are more faint 395de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy float alpha = Math.min(MAX_ALPHA, 396de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy DISTANCE_MULTIPLIER * (MAX_VISIBLE_DISTANCE - dist)); 397de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (alpha > 0.0f) { 398de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.setBounds(x, y, x + width, y + height); 399de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.setAlpha((int) (alpha * 255 * mCrosshairsVisibility)); 400de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.draw(canvas); 401de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 402de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy y += mCellHeight + mHeightGap; 403de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 404de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy x += mCellWidth + mWidthGap; 405de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 4064be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 407150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 4088e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy final Paint paint = mDragOutlinePaint; 4094be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlines.length; i++) { 410472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float alpha = mDragOutlineAlphas[i]; 4114be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (alpha > 0) { 4124be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Point p = mDragOutlines[i]; 4134be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Bitmap b = (Bitmap) mDragOutlineAnims[i].getTag(); 414472b281d5cb4f5660df981a6c912266b9f5703feChet Haase paint.setAlpha((int)(alpha + .5f)); 4154be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato canvas.drawBitmap(b, p.x, p.y, paint); 416150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung } 4176569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 4186569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 4196569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 420f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen public void setDimmableProgress(float progress) { 421f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen for (int i = 0; i < getChildCount(); i++) { 422f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen Dimmable d = (Dimmable) getChildAt(i); 423f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen d.setDimmableProgress(progress); 424f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 425f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 426f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen 427f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen public float getDimmableProgress() { 428f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen if (getChildCount() > 0) { 429f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen return ((Dimmable) getChildAt(0)).getDimmableProgress(); 430f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 431f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen return 0.0f; 432f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 433f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen 4346569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy @Override 43583f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey public void cancelLongPress() { 43683f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey super.cancelLongPress(); 43783f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey 43883f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey // Cancel long press for all children 43983f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey final int count = getChildCount(); 44083f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey for (int i = 0; i < count; i++) { 44183f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey final View child = getChildAt(i); 44283f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey child.cancelLongPress(); 44383f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey } 44483f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey } 44583f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey 446dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka public void setOnInterceptTouchListener(View.OnTouchListener listener) { 447dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka mInterceptTouchListener = listener; 448dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 449dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 45031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCountX() { 451d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen return mCountX; 45231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 45331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 45431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCountY() { 455d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen return mCountY; 45631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 45731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 458aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public boolean addViewToCellLayout(View child, int index, int childId, LayoutParams params) { 459aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final LayoutParams lp = params; 460aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 46131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Generate an id for each view, this assumes we have at most 256x256 cells 46231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // per workspace screen 463d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellX >= 0 && lp.cellX <= mCountX - 1 && lp.cellY >= 0 && lp.cellY <= mCountY - 1) { 464aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // If the horizontal or vertical span is set to -1, it is taken to 465aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // mean that it spans the extent of the CellLayout 466d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellHSpan < 0) lp.cellHSpan = mCountX; 467d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellVSpan < 0) lp.cellVSpan = mCountY; 468aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 469aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung child.setId(childId); 47031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 471dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka // We might be in the middle or end of shrinking/fading to a dimmed view 472dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka // Make sure this view's alpha is set the same as all the rest of the views 4735f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka child.setAlpha(getAlpha()); 474aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung addView(child, index, lp); 475dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 4760280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsOccupiedForView(child); 4770280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 478aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return true; 479aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 480aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return false; 48131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 4823e7c7634531302271270c8cf418abc959d621cbcMichael Jurka public void setAcceptsDrops(boolean acceptsDrops) { 4833e7c7634531302271270c8cf418abc959d621cbcMichael Jurka if (mAcceptsDrops != acceptsDrops) { 4843e7c7634531302271270c8cf418abc959d621cbcMichael Jurka mAcceptsDrops = acceptsDrops; 4853e7c7634531302271270c8cf418abc959d621cbcMichael Jurka invalidate(); 4863e7c7634531302271270c8cf418abc959d621cbcMichael Jurka } 4873e7c7634531302271270c8cf418abc959d621cbcMichael Jurka } 4883e7c7634531302271270c8cf418abc959d621cbcMichael Jurka 4893e7c7634531302271270c8cf418abc959d621cbcMichael Jurka public boolean getAcceptsDrops() { 4903e7c7634531302271270c8cf418abc959d621cbcMichael Jurka return mAcceptsDrops; 4913e7c7634531302271270c8cf418abc959d621cbcMichael Jurka } 49231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 49331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 4940280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeAllViews() { 4950280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka clearOccupiedCells(); 4960280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 4970280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 4980280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 4990280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeAllViewsInLayout() { 5000280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka clearOccupiedCells(); 5010280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5020280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5030280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeView(View view) { 5050280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 5060280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeView(view); 5070280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5090280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5100280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewAt(int index) { 5110280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(getChildAt(index)); 5120280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViewAt(index); 5130280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewInLayout(View view) { 5170280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 5180280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViewInLayout(view); 5190280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5200280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5210280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5220280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViews(int start, int count) { 5230280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = start; i < start + count; i++) { 5240280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(getChildAt(i)); 5250280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5260280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViews(start, count); 5270280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5280280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5290280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5300280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewsInLayout(int start, int count) { 5310280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = start; i < start + count; i++) { 5320280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(getChildAt(i)); 5330280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5340280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViewsInLayout(start, count); 5350280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5360280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5370280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 53831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void requestChildFocus(View child, View focused) { 53931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.requestChildFocus(child, focused); 54031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child != null) { 54131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Rect r = new Rect(); 54231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.getDrawingRect(r); 54331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project requestRectangleOnScreen(r); 54431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 54531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 54631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 54731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 54831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onAttachedToWindow() { 54931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onAttachedToWindow(); 55031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellInfo.screen = ((ViewGroup) getParent()).indexOfChild(this); 55131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 55231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 553af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka public void setTagToCellInfoForPoint(int touchX, int touchY) { 55431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellInfo cellInfo = mCellInfo; 555af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final Rect frame = mRect; 556af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int x = touchX + mScrollX; 557af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int y = touchY + mScrollY; 558af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int count = getChildCount(); 55931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 560af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka boolean found = false; 561af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka for (int i = count - 1; i >= 0; i--) { 562af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final View child = getChildAt(i); 563af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka 564af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if ((child.getVisibility()) == VISIBLE || child.getAnimation() != null) { 565af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka child.getHitRect(frame); 566af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (frame.contains(x, y)) { 567af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final LayoutParams lp = (LayoutParams) child.getLayoutParams(); 568af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cell = child; 569af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellX = lp.cellX; 570af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellY = lp.cellY; 571af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanX = lp.cellHSpan; 572af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanY = lp.cellVSpan; 573af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.valid = true; 574af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka found = true; 575af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka break; 57631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 57731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 578af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 579aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 580af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (!found) { 5816569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy final int cellXY[] = mTmpCellXY; 582af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka pointToCellExact(x, y, cellXY); 58331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 584af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cell = null; 585af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellX = cellXY[0]; 586af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellY = cellXY[1]; 587af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanX = 1; 588af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanY = 1; 5890280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellInfo.valid = cellXY[0] >= 0 && cellXY[1] >= 0 && cellXY[0] < mCountX && 5900280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[1] < mCountY && !mOccupied[cellXY[0]][cellXY[1]]; 591af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 592af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka setTag(cellInfo); 593af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 59431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 595aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 596af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka @Override 597af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka public boolean onInterceptTouchEvent(MotionEvent ev) { 598dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka if (mInterceptTouchListener != null && mInterceptTouchListener.onTouch(this, ev)) { 599dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka return true; 600dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 601af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int action = ev.getAction(); 602af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final CellInfo cellInfo = mCellInfo; 60331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 604af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (action == MotionEvent.ACTION_DOWN) { 605af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka setTagToCellInfoForPoint((int) ev.getX(), (int) ev.getY()); 60631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (action == MotionEvent.ACTION_UP) { 60731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.cell = null; 60831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.cellX = -1; 60931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.cellY = -1; 61031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.spanX = 0; 61131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.spanY = 0; 61231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.valid = false; 61331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project setTag(cellInfo); 61431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 61531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 61631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 61731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 61831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 61931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 62031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellInfo getTag() { 6210280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return (CellInfo) super.getTag(); 62231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 62331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6246569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 6256569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * Check if the row 'y' is empty from columns 'left' to 'right', inclusive. 6266569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 62731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private static boolean isRowEmpty(int y, int left, int right, boolean[][] occupied) { 62831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int x = left; x <= right; x++) { 62931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (occupied[x][y]) { 63031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 63131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 63231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 63331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 63431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 63531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 63631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 637aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Given a point, return the cell that strictly encloses that point 63831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x X coordinate of the point 63931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y Y coordinate of the point 64031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the cell 64131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 64231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void pointToCellExact(int x, int y, int[] result) { 643aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int hStartPadding = getLeftPadding(); 644aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int vStartPadding = getTopPadding(); 64531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 64631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[0] = (x - hStartPadding) / (mCellWidth + mWidthGap); 64731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[1] = (y - vStartPadding) / (mCellHeight + mHeightGap); 64831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 649d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int xAxis = mCountX; 650d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int yAxis = mCountY; 65131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 65231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[0] < 0) result[0] = 0; 65331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[0] >= xAxis) result[0] = xAxis - 1; 65431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[1] < 0) result[1] = 0; 65531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[1] >= yAxis) result[1] = yAxis - 1; 65631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 657aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 65831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 65931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Given a point, return the cell that most closely encloses that point 66031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x X coordinate of the point 66131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y Y coordinate of the point 66231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the cell 66331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 66431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void pointToCellRounded(int x, int y, int[] result) { 66531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project pointToCellExact(x + (mCellWidth / 2), y + (mCellHeight / 2), result); 66631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 66731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 66831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 66931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Given a cell coordinate, return the point that represents the upper left corner of that cell 670aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 671aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * @param cellX X coordinate of the cell 67231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellY Y coordinate of the cell 673aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 67431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the point 67531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 67631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void cellToPoint(int cellX, int cellY, int[] result) { 677aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int hStartPadding = getLeftPadding(); 678aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int vStartPadding = getTopPadding(); 67931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 68031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[0] = hStartPadding + cellX * (mCellWidth + mWidthGap); 68131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[1] = vStartPadding + cellY * (mCellHeight + mHeightGap); 68231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 68331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 68484f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy int getCellWidth() { 68584f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy return mCellWidth; 68684f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 68784f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 68884f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy int getCellHeight() { 68984f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy return mCellHeight; 69084f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 69184f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 6921a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getLeftPadding() { 693aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mLeftPadding; 6941a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 6951a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 6961a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getTopPadding() { 697aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mTopPadding; 6981a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 6991a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 7001a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getRightPadding() { 701aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mRightPadding; 7021a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 7031a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 7041a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getBottomPadding() { 705aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mBottomPadding; 7061a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 7071a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 70831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 70931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 71031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // TODO: currently ignoring padding 711aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 71231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec); 713aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec); 714aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 71531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec); 71631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int heightSpecSize = MeasureSpec.getSize(heightMeasureSpec); 717aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 71831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (widthSpecMode == MeasureSpec.UNSPECIFIED || heightSpecMode == MeasureSpec.UNSPECIFIED) { 71931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new RuntimeException("CellLayout cannot have UNSPECIFIED dimensions"); 72031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 72131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 72231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellWidth = mCellWidth; 72331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellHeight = mCellHeight; 72431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 725d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen int numWidthGaps = mCountX - 1; 726d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen int numHeightGaps = mCountY - 1; 727d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen 7280280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int vSpaceLeft = heightSpecSize - mTopPadding - mBottomPadding - (cellHeight * mCountY); 729d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mHeightGap = vSpaceLeft / numHeightGaps; 730d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen 7310280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int hSpaceLeft = widthSpecSize - mLeftPadding - mRightPadding - (cellWidth * mCountX); 732d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mWidthGap = hSpaceLeft / numWidthGaps; 733aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 7345f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // center it around the min gaps 7355f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka int minGap = Math.min(mWidthGap, mHeightGap); 7365f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka mWidthGap = mHeightGap = minGap; 7375f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 73831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = getChildCount(); 73931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 74031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 74131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = getChildAt(i); 74231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LayoutParams lp = (LayoutParams) child.getLayoutParams(); 743aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung lp.setup(cellWidth, cellHeight, mWidthGap, mHeightGap, 744aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung mLeftPadding, mTopPadding); 745aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 7460280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int childWidthMeasureSpec = MeasureSpec.makeMeasureSpec(lp.width, MeasureSpec.EXACTLY); 747aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung int childheightMeasureSpec = MeasureSpec.makeMeasureSpec(lp.height, 748aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung MeasureSpec.EXACTLY); 74931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 75031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.measure(childWidthMeasureSpec, childheightMeasureSpec); 75131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 7525f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka if (widthSpecMode == MeasureSpec.AT_MOST) { 7535f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka int newWidth = mLeftPadding + mRightPadding + (mCountX * cellWidth) + 7545f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka ((mCountX - 1) * minGap); 7555f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka int newHeight = mTopPadding + mBottomPadding + (mCountY * cellHeight) + 7565f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka ((mCountY - 1) * minGap); 7575f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka setMeasuredDimension(newWidth, newHeight); 7585f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } else if (widthSpecMode == MeasureSpec.EXACTLY) { 7595f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka setMeasuredDimension(widthSpecSize, heightSpecSize); 7605f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } 76131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 76231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 763ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy /** 764ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * Animate a child of this CellLayout into its current layout position. 765ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * The position to animate from is given by the oldX and oldY values in its LayoutParams. 766ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy */ 767ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy private void animateChildIntoPosition(final View child) { 768ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy final Resources res = getResources(); 769ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy final ObjectAnimator anim = mDropAnim; 770ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy final CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 771ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy final float startX = lp.oldX - lp.x; 772ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy final float startY = lp.oldY - lp.y; 773ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 774ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy // Calculate the duration of the animation based on the object's distance 775ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy final float dist = (float) Math.sqrt(startX*startX + startY*startY); 776ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy final float maxDist = (float) res.getInteger(R.integer.config_dropAnimMaxDist); 777ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy final int duration = (int) (res.getInteger(R.integer.config_dropAnimMaxDuration) 778ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * mEaseOutInterpolator.getInterpolation(dist / maxDist)); 779ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 780ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy anim.cancel(); // Make sure it's not already running 781ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy anim.setDuration(duration); 782ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy anim.setTarget(child); 783ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy anim.setPropertyName("translationX"); 784ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy anim.setFloatValues(startX, 0); 785ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 786ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy anim.removeAllUpdateListeners(); 787ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy anim.addUpdateListener(new AnimatorUpdateListener() { 788ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy public void onAnimationUpdate(ValueAnimator animation) { 789ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy // Set the value of translationY based on the current x value 790ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy final float translationX = (Float) anim.getAnimatedValue(); 791ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy child.setTranslationY((startY / startX) * translationX); 792ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy } 793ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy }); 794ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy anim.start(); 795ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy } 796ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 79731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 79828750fba6a2d141eb9a1e566718c17236030b815Michael Jurka protected void onLayout(boolean changed, int l, int t, int r, int b) { 79931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = getChildCount(); 80031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 80131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 802ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy final View child = getChildAt(i); 80331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child.getVisibility() != GONE) { 80431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 80531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 80631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 80731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int childLeft = lp.x; 80831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int childTop = lp.y; 80931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.layout(childLeft, childTop, childLeft + lp.width, childTop + lp.height); 81084f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 81184f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy if (lp.dropped) { 81284f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy lp.dropped = false; 81384f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 8146569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy final int[] cellXY = mTmpCellXY; 81506762ab54d64e84328d427403bb6074dfd0f630cRomain Guy getLocationOnScreen(cellXY); 81684f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy mWallpaperManager.sendWallpaperCommand(getWindowToken(), "android.home.drop", 81706762ab54d64e84328d427403bb6074dfd0f630cRomain Guy cellXY[0] + childLeft + lp.width / 2, 81806762ab54d64e84328d427403bb6074dfd0f630cRomain Guy cellXY[1] + childTop + lp.height / 2, 0, null); 819ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 820ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy animateChildIntoPosition(child); 82184f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 82231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 82331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 82431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 82531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 82631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 827dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka protected void onSizeChanged(int w, int h, int oldw, int oldh) { 828dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka super.onSizeChanged(w, h, oldw, oldh); 82918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundRect.set(0, 0, w, h); 83018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka updateHoverRect(); 831dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 832dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 833dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka @Override 83431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void setChildrenDrawingCacheEnabled(boolean enabled) { 83531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 83631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 83731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View view = getChildAt(i); 83831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view.setDrawingCacheEnabled(enabled); 83931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Update the drawing caches 840fefa0ce22af9560f1c0f8c84c760c75f34b7b12cAdam Powell view.buildDrawingCache(true); 84131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 84231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 84331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 84431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 84531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void setChildrenDrawnWithCacheEnabled(boolean enabled) { 84631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.setChildrenDrawnWithCacheEnabled(enabled); 84731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 84831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8495f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public float getBackgroundAlpha() { 8505f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka return mBackgroundAlpha; 851dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 852dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 8535f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public void setBackgroundAlpha(float alpha) { 8545f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka mBackgroundAlpha = alpha; 8550142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka invalidate(); 856dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 857dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 8585f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // Need to return true to let the view system know we know how to handle alpha-- this is 8595f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // because when our children have an alpha of 0.0f, they are still rendering their "dimmed" 8605f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // versions 8615f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka @Override 8625f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka protected boolean onSetAlpha(int alpha) { 8635f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka return true; 8645f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } 8655f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 8665f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public void setAlpha(float alpha) { 8675f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka setChildrenAlpha(alpha); 8685f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka super.setAlpha(alpha); 8695f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } 8705f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 871dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka private void setChildrenAlpha(float alpha) { 8720142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka final int childCount = getChildCount(); 8730142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka for (int i = 0; i < childCount; i++) { 874dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka getChildAt(i).setAlpha(alpha); 875dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 876dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 877dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 8780280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private boolean isVacantIgnoring( 8790280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int originX, int originY, int spanX, int spanY, View ignoreView) { 8800280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (ignoreView != null) { 8810280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(ignoreView); 8820280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 88328750fba6a2d141eb9a1e566718c17236030b815Michael Jurka boolean isVacant = true; 8846569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy for (int i = 0; i < spanY; i++) { 8856569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (!isRowEmpty(originY + i, originX, originX + spanX - 1, mOccupied)) { 88628750fba6a2d141eb9a1e566718c17236030b815Michael Jurka isVacant = false; 88728750fba6a2d141eb9a1e566718c17236030b815Michael Jurka break; 8886569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 8896569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 8900280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (ignoreView != null) { 8910280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsOccupiedForView(ignoreView); 8920280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 89328750fba6a2d141eb9a1e566718c17236030b815Michael Jurka return isVacant; 8946569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 8956569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 8960280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private boolean isVacant(int originX, int originY, int spanX, int spanY) { 8970280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return isVacantIgnoring(originX, originY, spanX, spanY, null); 8980280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 8990280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 900440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy public View getChildAt(int x, int y) { 901440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy final int count = getChildCount(); 902440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy for (int i = 0; i < count; i++) { 903440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy View child = getChildAt(i); 904440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy LayoutParams lp = (LayoutParams) child.getLayoutParams(); 905440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy 906440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy if ((lp.cellX <= x) && (x < lp.cellX + lp.cellHSpan) && 907440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy (lp.cellY <= y) && (y < lp.cellY + lp.cellHSpan)) { 908440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy return child; 909440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy } 910440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy } 911440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy return null; 912440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy } 913440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy 9146569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 9158f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy * Estimate the size that a child with the given dimensions will take in the layout. 9168f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy */ 9178f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy void estimateChildSize(int minWidth, int minHeight, int[] result) { 9188f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy // Assuming it's placed at 0, 0, find where the bottom right cell will land 9198f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy rectToCell(minWidth, minHeight, result); 9208f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy 9218f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy // Then figure out the rect it will occupy 9228f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy cellToRect(0, 0, result[0], result[1], mRectF); 9238f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[0] = (int)mRectF.width(); 9248f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[1] = (int)mRectF.height(); 9258f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy } 9268f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy 9278f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy /** 9286569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * Estimate where the top left cell of the dragged item will land if it is dropped. 9296569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * 9306569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param originX The X value of the top left corner of the item 9316569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param originY The Y value of the top left corner of the item 9326569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param spanX The number of horizontal cells that the item spans 9336569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param spanY The number of vertical cells that the item spans 9346569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param result The estimated drop cell X and Y. 9356569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 9366569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy void estimateDropCell(int originX, int originY, int spanX, int spanY, int[] result) { 937d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int countX = mCountX; 938d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int countY = mCountY; 9396569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 940a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka // pointToCellRounded takes the top left of a cell but will pad that with 941a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka // cellWidth/2 and cellHeight/2 when finding the matching cell 942a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka pointToCellRounded(originX, originY, result); 9436569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 9446569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // If the item isn't fully on this screen, snap to the edges 9456569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy int rightOverhang = result[0] + spanX - countX; 9466569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (rightOverhang > 0) { 9476569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[0] -= rightOverhang; // Snap to right 9486569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 9496569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[0] = Math.max(0, result[0]); // Snap to left 9506569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy int bottomOverhang = result[1] + spanY - countY; 9516569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (bottomOverhang > 0) { 9526569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[1] -= bottomOverhang; // Snap to bottom 9536569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 9546569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[1] = Math.max(0, result[1]); // Snap to top 9556569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 9566569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 9574be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato void visualizeDropLocation( 9584be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato View v, Bitmap dragOutline, int originX, int originY, int spanX, int spanY) { 9594be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 96008ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy final int oldDragCellX = mDragCell[0]; 96108ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy final int oldDragCellY = mDragCell[1]; 9624be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int[] nearest = findNearestVacantArea(originX, originY, spanX, spanY, v, mDragCell); 9634be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragCenter.set(originX + (v.getWidth() / 2), originY + (v.getHeight() / 2)); 9646569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 96508ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy if (nearest != null && (nearest[0] != oldDragCellX || nearest[1] != oldDragCellY)) { 9666569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // Find the top left corner of the rect the object will occupy 967de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int[] topLeft = mTmpPoint; 968de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy cellToPoint(nearest[0], nearest[1], topLeft); 969de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 9704be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato int left = topLeft[0]; 9714be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato int top = topLeft[1]; 9726569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 9734be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (v.getParent() instanceof CellLayout) { 9744be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato LayoutParams lp = (LayoutParams) v.getLayoutParams(); 9754be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato left += lp.leftMargin; 9764be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato top += lp.topMargin; 9774be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 978150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 9794be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Offsets due to the size difference between the View and the dragOutline 9804be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato left += (v.getWidth() - dragOutline.getWidth()) / 2; 9814be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato top += (v.getHeight() - dragOutline.getHeight()) / 2; 982150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 9834be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int oldIndex = mDragOutlineCurrent; 98408ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[oldIndex].animateOut(); 98508ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineCurrent = (oldIndex + 1) % mDragOutlines.length; 986150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 98708ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlines[mDragOutlineCurrent].set(left, top); 98808ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[mDragOutlineCurrent].setTag(dragOutline); 98908ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[mDragOutlineCurrent].animateIn(); 9906569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 99149250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy 99249250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy // If we are drawing crosshairs, the entire CellLayout needs to be invalidated 99349250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy if (mCrosshairsDrawable != null) { 99449250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy invalidate(); 99549250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy } 9966569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 9976569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 99831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 99970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Find a vacant area that will fit the given bounds nearest the requested 100070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * cell location. Uses Euclidean distance to score multiple vacant areas. 1001aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 100251afc022fa76c79f0d1ece470ddc126c08fea8a4Romain Guy * @param pixelX The X location at which you want to search for a vacant area. 100351afc022fa76c79f0d1ece470ddc126c08fea8a4Romain Guy * @param pixelY The Y location at which you want to search for a vacant area. 100470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @param spanX Horizontal span of the object. 100570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @param spanY Vertical span of the object. 1006de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * @param result Array in which to place the result, or null (in which case a new array will 1007de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * be allocated) 100870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @return The X, Y cell of a vacant area that can contain this object, 100970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * nearest the requested location. 101031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 10116a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka int[] findNearestVacantArea( 1012de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int pixelX, int pixelY, int spanX, int spanY, int[] result) { 1013de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy return findNearestVacantArea(pixelX, pixelY, spanX, spanY, null, result); 10146a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka } 1015aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 10166a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka /** 10176a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * Find a vacant area that will fit the given bounds nearest the requested 10186a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * cell location. Uses Euclidean distance to score multiple vacant areas. 10196a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * 10206a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param pixelX The X location at which you want to search for a vacant area. 10216a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param pixelY The Y location at which you want to search for a vacant area. 10226a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param spanX Horizontal span of the object. 10236a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param spanY Vertical span of the object. 10246a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param ignoreView Considers space occupied by this view as unoccupied 1025de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * @param result Previously returned value to possibly recycle. 10266a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @return The X, Y cell of a vacant area that can contain this object, 10276a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * nearest the requested location. 10286a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka */ 10296a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka int[] findNearestVacantArea( 1030de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int pixelX, int pixelY, int spanX, int spanY, View ignoreView, int[] result) { 1031c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // mark space take by ignoreView as available (method checks if ignoreView is null) 1032c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsUnoccupiedForView(ignoreView); 1033c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka 103470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Keep track of best-scoring drop area 1035de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int[] bestXY = result != null ? result : new int[2]; 103670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey double bestDistance = Double.MAX_VALUE; 1037aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1038de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countX = mCountX; 1039de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countY = mCountY; 1040de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final boolean[][] occupied = mOccupied; 1041de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 1042de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int x = 0; x < countX - (spanX - 1); x++) { 1043c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka inner: 1044de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int y = 0; y < countY - (spanY - 1); y++) { 1045c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka for (int i = 0; i < spanX; i++) { 1046c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka for (int j = 0; j < spanY; j++) { 1047de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (occupied[x + i][y + j]) { 1048c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka // small optimization: we can skip to below the row we just found 1049c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka // an occupied cell 1050c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka y += j; 1051c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka continue inner; 1052c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 1053c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 1054c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 1055c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka final int[] cellXY = mTmpCellXY; 1056c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka cellToPoint(x, y, cellXY); 1057c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka 1058c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka double distance = Math.sqrt(Math.pow(cellXY[0] - pixelX, 2) 1059c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka + Math.pow(cellXY[1] - pixelY, 2)); 1060c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka if (distance <= bestDistance) { 1061c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestDistance = distance; 1062c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestXY[0] = x; 1063c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestXY[1] = y; 1064c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 106531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 106631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1067c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // re-mark space taken by ignoreView as occupied 1068c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsOccupiedForView(ignoreView); 106931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1070aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // Return null if no suitable location found 107170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey if (bestDistance < Double.MAX_VALUE) { 107270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return bestXY; 107370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } else { 107470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return null; 107570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 107631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1077aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 10780280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean existsEmptyCell() { 10790280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpan(null, 1, 1); 10800280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10810280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 10820280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 10830280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Finds the upper-left coordinate of the first rectangle in the grid that can 10840280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * hold a cell of the specified dimensions. If intersectX and intersectY are not -1, 10850280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * then this method will only return coordinates for rectangles that contain the cell 10860280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * (intersectX, intersectY) 10870280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 10880280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param cellXY The array that will contain the position of a vacant cell if such a cell 10890280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * can be found. 10900280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 10910280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 10920280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 10930280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return True if a vacant cell of the specified dimension was found, false otherwise. 10940280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 10950280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpan(int[] cellXY, int spanX, int spanY) { 10960280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring(cellXY, spanX, spanY, -1, -1, null); 10970280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10980280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 10990280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 11000280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Like above, but ignores any cells occupied by the item "ignoreView" 11010280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 11020280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param cellXY The array that will contain the position of a vacant cell if such a cell 11030280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * can be found. 11040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 11050280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 11060280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param ignoreView The home screen item we should treat as not occupying any space 11070280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return 11080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 11090280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanIgnoring(int[] cellXY, int spanX, int spanY, View ignoreView) { 11100280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring(cellXY, spanX, spanY, -1, -1, ignoreView); 11110280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11120280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 11130280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 11140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Like above, but if intersectX and intersectY are not -1, then this method will try to 11150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * return coordinates for rectangles that contain the cell [intersectX, intersectY] 11160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 11170280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 11180280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 11190280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param ignoreView The home screen item we should treat as not occupying any space 11200280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param intersectX The X coordinate of the cell that we should try to overlap 11210280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param intersectX The Y coordinate of the cell that we should try to overlap 11220280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 11230280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return True if a vacant cell of the specified dimension was found, false otherwise. 11240280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 11250280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanThatIntersects(int[] cellXY, int spanX, int spanY, 11260280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int intersectX, int intersectY) { 11270280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring( 11280280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY, spanX, spanY, intersectX, intersectY, null); 11290280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11300280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 11310280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 11320280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * The superset of the above two methods 11330280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 11340280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanThatIntersectsIgnoring(int[] cellXY, int spanX, int spanY, 11350280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int intersectX, int intersectY, View ignoreView) { 1136c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // mark space take by ignoreView as available (method checks if ignoreView is null) 1137c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsUnoccupiedForView(ignoreView); 11380280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 113928750fba6a2d141eb9a1e566718c17236030b815Michael Jurka boolean foundCell = false; 11400280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka while (true) { 11410280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int startX = 0; 11420280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX >= 0) { 11430280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka startX = Math.max(startX, intersectX - (spanX - 1)); 11440280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11450280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int endX = mCountX - (spanX - 1); 11460280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX >= 0) { 11470280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka endX = Math.min(endX, intersectX + (spanX - 1) + (spanX == 1 ? 1 : 0)); 11480280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11490280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int startY = 0; 11500280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectY >= 0) { 11510280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka startY = Math.max(startY, intersectY - (spanY - 1)); 11520280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11530280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int endY = mCountY - (spanY - 1); 11540280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectY >= 0) { 11550280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka endY = Math.min(endY, intersectY + (spanY - 1) + (spanY == 1 ? 1 : 0)); 11560280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11570280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 11580280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = startX; x < endX; x++) { 11590280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka inner: 11600280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = startY; y < endY; y++) { 11610280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = 0; i < spanX; i++) { 11620280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int j = 0; j < spanY; j++) { 11630280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (mOccupied[x + i][y + j]) { 11640280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // small optimization: we can skip to below the row we just found 11650280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // an occupied cell 11660280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka y += j; 11670280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka continue inner; 11680280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11690280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11700280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11710280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (cellXY != null) { 11720280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[0] = x; 11730280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[1] = y; 11740280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 117528750fba6a2d141eb9a1e566718c17236030b815Michael Jurka foundCell = true; 117628750fba6a2d141eb9a1e566718c17236030b815Michael Jurka break; 11770280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11780280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11790280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX == -1 && intersectY == -1) { 11800280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka break; 11810280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } else { 11820280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // if we failed to find anything, try again but without any requirements of 11830280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // intersecting 11840280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka intersectX = -1; 11850280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka intersectY = -1; 11860280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka continue; 11870280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11880280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11890280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 1190c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // re-mark space taken by ignoreView as occupied 1191c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsOccupiedForView(ignoreView); 119228750fba6a2d141eb9a1e566718c17236030b815Michael Jurka return foundCell; 11930280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11940280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 119531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 11960280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Called when drag has left this CellLayout or has been completed (successfully or not) 11976569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 11980280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka void onDragExit() { 11994be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // This can actually be called when we aren't in a drag, e.g. when adding a new 12004be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // item to this layout via the customize drawer. 12014be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Guard against that case. 12024be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (mDragging) { 12034be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragging = false; 12046569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 12054be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Fade out the drag indicators 12064be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (mCrosshairsAnimator != null) { 12074be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mCrosshairsAnimator.animateOut(); 12084be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 12094be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 121008ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy 121108ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy // Invalidate the drag data 121208ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragCell[0] = -1; 121308ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragCell[1] = -1; 121408ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[mDragOutlineCurrent].animateOut(); 121508ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineCurrent = (mDragOutlineCurrent + 1) % mDragOutlineAnims.length; 121608ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy 121708ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy setHover(false); 12186569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 12196569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 12206569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 1221aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Mark a child as having been dropped. 1222de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * At the beginning of the drag operation, the child may have been on another 1223ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * screen, but it is re-parented before this method is called. 122431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 122531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child that is being dropped 122631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 1227aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung void onDropChild(View child) { 1228d94533d04a5f8f5485f106d10af60169857ea899Romain Guy if (child != null) { 1229d94533d04a5f8f5485f106d10af60169857ea899Romain Guy LayoutParams lp = (LayoutParams) child.getLayoutParams(); 1230d94533d04a5f8f5485f106d10af60169857ea899Romain Guy lp.isDragging = false; 123184f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy lp.dropped = true; 1232ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy child.setVisibility(View.VISIBLE); 1233d94533d04a5f8f5485f106d10af60169857ea899Romain Guy child.requestLayout(); 1234d94533d04a5f8f5485f106d10af60169857ea899Romain Guy } 123531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 123631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 123731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void onDropAborted(View child) { 123831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child != null) { 1239ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy LayoutParams lp = (LayoutParams) child.getLayoutParams(); 1240ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy lp.isDragging = false; 1241ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy child.setVisibility(View.VISIBLE); 1242ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy animateChildIntoPosition(child); 124331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 124431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 124531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 124631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 124731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Start dragging the specified child 1248aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 124931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child that is being dragged 125031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 125131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void onDragChild(View child) { 125231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LayoutParams lp = (LayoutParams) child.getLayoutParams(); 125331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.isDragging = true; 1254ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy child.setVisibility(View.GONE); 1255de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 1256de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 1257de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy /** 1258de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * A drag event has begun over this layout. 1259de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * It may have begun over this layout (in which case onDragChild is called first), 1260de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * or it may have begun on another layout. 1261de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy */ 1262de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy void onDragEnter(View dragView) { 1263fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy if (!mDragging) { 1264fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy // Fade in the drag indicators 1265fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy if (mCrosshairsAnimator != null) { 1266fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy mCrosshairsAnimator.animateIn(); 1267fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy } 12684be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 12694be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragging = true; 127031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1271aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 127231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 127331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Computes a bounding rectangle for a range of cells 1274aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 127531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellX X coordinate of upper left corner expressed as a cell position 127631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellY Y coordinate of upper left corner expressed as a cell position 1277aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * @param cellHSpan Width in cells 127831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellVSpan Height in cells 12796569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param resultRect Rect into which to put the results 128031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 12816569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy public void cellToRect(int cellX, int cellY, int cellHSpan, int cellVSpan, RectF resultRect) { 128231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellWidth = mCellWidth; 128331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellHeight = mCellHeight; 128431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int widthGap = mWidthGap; 128531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int heightGap = mHeightGap; 1286aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1287aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int hStartPadding = getLeftPadding(); 1288aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int vStartPadding = getTopPadding(); 1289aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 129031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int width = cellHSpan * cellWidth + ((cellHSpan - 1) * widthGap); 129131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int height = cellVSpan * cellHeight + ((cellVSpan - 1) * heightGap); 129231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 129331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int x = hStartPadding + cellX * (cellWidth + widthGap); 129431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int y = vStartPadding + cellY * (cellHeight + heightGap); 1295aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 12966569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy resultRect.set(x, y, x + width, y + height); 129731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1298aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 129931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 1300aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Computes the required horizontal and vertical cell spans to always 130131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * fit the given rectangle. 1302aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 130331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param width Width in pixels 130431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param height Height in pixels 13058f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy * @param result An array of length 2 in which to store the result (may be null). 130631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 13078f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy public int[] rectToCell(int width, int height, int[] result) { 13089987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka return rectToCell(getResources(), width, height, result); 13099987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka } 13109987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka 13119987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka public static int[] rectToCell(Resources resources, int width, int height, int[] result) { 131231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Always assume we're working with the smallest span to make sure we 131331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // reserve enough space in both orientations. 131479e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato int actualWidth = resources.getDimensionPixelSize(R.dimen.workspace_cell_width); 131579e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato int actualHeight = resources.getDimensionPixelSize(R.dimen.workspace_cell_height); 131631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int smallerSize = Math.min(actualWidth, actualHeight); 131779e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato 131831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Always round up to next largest cell 131931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanX = (width + smallerSize) / smallerSize; 132031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanY = (height + smallerSize) / smallerSize; 132179e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato 13228f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy if (result == null) { 13238f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy return new int[] { spanX, spanY }; 13248f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy } 13258f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[0] = spanX; 13268f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[1] = spanY; 13278f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy return result; 132831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 132931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 133031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 133131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Find the first vacant cell, if there is one. 133231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 133331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param vacant Holds the x and y coordinate of the vacant cell 133431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX Horizontal cell span. 133531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY Vertical cell span. 1336aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 133731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return True if a vacant cell was found 133831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 133931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean getVacantCell(int[] vacant, int spanX, int spanY) { 134031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13410280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findVacantCell(vacant, spanX, spanY, mCountX, mCountY, mOccupied); 134231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 134331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 134431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project static boolean findVacantCell(int[] vacant, int spanX, int spanY, 134531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int xCount, int yCount, boolean[][] occupied) { 134631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 134731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int x = 0; x < xCount; x++) { 134831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int y = 0; y < yCount; y++) { 134931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean available = !occupied[x][y]; 135031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectout: for (int i = x; i < x + spanX - 1 && x < xCount; i++) { 135131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int j = y; j < y + spanY - 1 && y < yCount; j++) { 135231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project available = available && !occupied[i][j]; 135331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!available) break out; 135431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 135531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 135631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 135731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (available) { 135831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project vacant[0] = x; 135931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project vacant[1] = y; 136031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 136131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 136231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 136331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 136431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 136531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 136631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 136731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13686569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 13696569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * Update the array of occupied cells (mOccupied), and return a flattened copy of the array. 13706569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 13716569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy boolean[] getOccupiedCellsFlattened() { 1372d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int xCount = mCountX; 1373d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int yCount = mCountY; 137431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final boolean[][] occupied = mOccupied; 137531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 137631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final boolean[] flat = new boolean[xCount * yCount]; 137731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int y = 0; y < yCount; y++) { 137831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int x = 0; x < xCount; x++) { 137931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project flat[y * xCount + x] = occupied[x][y]; 138031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 138131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 138231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 138331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return flat; 138431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 138531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13860280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void clearOccupiedCells() { 13870280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = 0; x < mCountX; x++) { 13880280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = 0; y < mCountY; y++) { 13890280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied[x][y] = false; 139031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 139131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 13920280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 139331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13940280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void onMove(View view, int newCellX, int newCellY) { 13950280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 13960280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 13970280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsForView(newCellX, newCellY, lp.cellHSpan, lp.cellVSpan, true); 13980280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 139931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 14000280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void markCellsAsOccupiedForView(View view) { 1401c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka if (view == null || view.getParent() != this) return; 14020280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 14030280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsForView(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, true); 14040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 14050280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 14060280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void markCellsAsUnoccupiedForView(View view) { 1407c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka if (view == null || view.getParent() != this) return; 14080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 14090280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsForView(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, false); 14100280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 14110280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 14120280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void markCellsForView(int cellX, int cellY, int spanX, int spanY, boolean value) { 14130280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = cellX; x < cellX + spanX && x < mCountX; x++) { 14140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = cellY; y < cellY + spanY && y < mCountY; y++) { 14150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied[x][y] = value; 141631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 141731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 141831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 141931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 142031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 142131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public ViewGroup.LayoutParams generateLayoutParams(AttributeSet attrs) { 142231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new CellLayout.LayoutParams(getContext(), attrs); 142331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 142431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 142531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 142631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected boolean checkLayoutParams(ViewGroup.LayoutParams p) { 142731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return p instanceof CellLayout.LayoutParams; 142831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 142931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 143031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 143131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected ViewGroup.LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) { 143231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new CellLayout.LayoutParams(p); 143331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 143431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1435aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public static class CellLayoutAnimationController extends LayoutAnimationController { 1436aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public CellLayoutAnimationController(Animation animation, float delay) { 1437aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung super(animation, delay); 1438aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1439aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1440aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung @Override 1441aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung protected long getDelayForView(View view) { 1442aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return (int) (Math.random() * 150); 1443aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1444aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1445aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 144631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static class LayoutParams extends ViewGroup.MarginLayoutParams { 144731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 144831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Horizontal location of the item in the grid. 144931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 145031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 145131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellX; 145231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 145331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 145431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Vertical location of the item in the grid. 145531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 145631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 145731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellY; 145831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 145931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 146031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Number of cells spanned horizontally by the item. 146131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 146231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 146331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellHSpan; 146431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 146531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 146631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Number of cells spanned vertically by the item. 146731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 146831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 146931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellVSpan; 1470aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 147131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 147231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Is this item currently being dragged 147331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 147431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean isDragging; 147531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 147631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // X coordinate of the view in the layout. 147731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 147831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int x; 147931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Y coordinate of the view in the layout. 148031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 148131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int y; 148231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1483ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy /** 1484ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * The old X coordinate of this item, relative to its current parent. 1485ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * Used to animate the item into its new position. 1486ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy */ 1487ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy int oldX; 1488ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 1489ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy /** 1490ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * The old Y coordinate of this item, relative to its current parent. 1491ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * Used to animate the item into its new position. 1492ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy */ 1493ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy int oldY; 1494ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 149584f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy boolean dropped; 1496fcb9e7144e58614f5ae0e9b272fb7ce040848c67Romain Guy 149731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(Context c, AttributeSet attrs) { 149831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(c, attrs); 149931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellHSpan = 1; 150031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellVSpan = 1; 150131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 150231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 150331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(ViewGroup.LayoutParams source) { 150431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(source); 150531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellHSpan = 1; 150631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellVSpan = 1; 150731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1508aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1509aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public LayoutParams(LayoutParams source) { 1510aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung super(source); 1511aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellX = source.cellX; 1512aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellY = source.cellY; 1513aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellHSpan = source.cellHSpan; 1514aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellVSpan = source.cellVSpan; 1515aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1516aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 151731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(int cellX, int cellY, int cellHSpan, int cellVSpan) { 15188f19cdd62f6e2be05e3890916eabd11317ae1bc2Romain Guy super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); 151931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellX = cellX; 152031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellY = cellY; 152131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellHSpan = cellHSpan; 152231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellVSpan = cellVSpan; 152331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 152431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 152531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void setup(int cellWidth, int cellHeight, int widthGap, int heightGap, 152631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int hStartPadding, int vStartPadding) { 1527aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 152831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellHSpan = cellHSpan; 152931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellVSpan = cellVSpan; 153031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellX = cellX; 153131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellY = cellY; 1532aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 153331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project width = myCellHSpan * cellWidth + ((myCellHSpan - 1) * widthGap) - 153431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project leftMargin - rightMargin; 153531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project height = myCellVSpan * cellHeight + ((myCellVSpan - 1) * heightGap) - 153631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project topMargin - bottomMargin; 153731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 153831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project x = hStartPadding + myCellX * (cellWidth + widthGap) + leftMargin; 153931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project y = vStartPadding + myCellY * (cellHeight + heightGap) + topMargin; 154031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1541aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1542aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public String toString() { 1543aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return "(" + this.cellX + ", " + this.cellY + ")"; 1544aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 154531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 154631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 15470280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // This class stores info for two purposes: 15480280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // 1. When dragging items (mDragInfo in Workspace), we store the View, its cellX & cellY, 15490280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // its spanX, spanY, and the screen it is on 15500280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // 2. When long clicking on an empty cell in a CellLayout, we save information about the 15510280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // cellX and cellY coordinates and which page was clicked. We then set this as a tag on 15520280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // the CellLayout that was long clicked 155331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project static final class CellInfo implements ContextMenu.ContextMenuInfo { 155431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View cell; 1555a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka int cellX = -1; 1556a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka int cellY = -1; 155731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanX; 155831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanY; 155931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screen; 156031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean valid; 156131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 156231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 156331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public String toString() { 1564aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return "Cell[view=" + (cell == null ? "null" : cell.getClass()) 1565aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung + ", x=" + cellX + ", y=" + cellY + "]"; 156631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 156731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 156831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project} 1569