CellLayout.java revision 18014791be2e3f41080f0bf621c618e3f096c5c7
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 52f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohenpublic class CellLayout extends ViewGroup implements Dimmable { 53aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung static final String TAG = "CellLayout"; 54aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 5531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCellWidth; 5631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCellHeight; 57aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 58aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mLeftPadding; 59aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mRightPadding; 60aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mTopPadding; 61aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mBottomPadding; 62aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 63d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen private int mCountX; 64d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen private int mCountY; 6531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mWidthGap; 6731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mHeightGap; 6831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final Rect mRect = new Rect(); 708f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy private final RectF mRectF = new RectF(); 7131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final CellInfo mCellInfo = new CellInfo(); 72aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 73de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // These are temporary variables to prevent having to allocate a new object just to 74de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // return an (x, y) value from helper functions. Do NOT use them to maintain other state. 756569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy private final int[] mTmpCellXY = new int[2]; 76de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final int[] mTmpPoint = new int[2]; 77de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final PointF mTmpPointF = new PointF(); 786569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 7931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean[][] mOccupied; 8031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 81dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka private OnTouchListener mInterceptTouchListener; 82dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 835f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka private float mBackgroundAlpha; 84f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen 855f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka private Drawable mBackground; 86f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen private Drawable mBackgroundMini; 87f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen private Drawable mBackgroundMiniHover; 881262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy private Drawable mBackgroundHover; 893e7c7634531302271270c8cf418abc959d621cbcMichael Jurka private Drawable mBackgroundMiniAcceptsDrops; 9018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka private Rect mBackgroundRect; 9118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka private Rect mHoverRect; 9218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka private float mHoverScale; 9318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka private float mHoverAlpha; 943e7c7634531302271270c8cf418abc959d621cbcMichael Jurka private boolean mAcceptsDrops; 951262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy 961262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy // If we're actively dragging something over this screen, mHover is true 97a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka private boolean mHover = false; 98dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 99de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final Point mDragCenter = new Point(); 1006569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 101150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung // These arrays are used to implement the drag visualization on x-large screens. 1024be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // They are used as circular arrays, indexed by mDragOutlineCurrent. 1034be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private Point[] mDragOutlines = new Point[8]; 104472b281d5cb4f5660df981a6c912266b9f5703feChet Haase private float[] mDragOutlineAlphas = new float[mDragOutlines.length]; 1054be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private InterruptibleInOutAnimator[] mDragOutlineAnims = 1064be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato new InterruptibleInOutAnimator[mDragOutlines.length]; 107150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 108150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung // Used as an index into the above 3 arrays; indicates which is the most current value. 1094be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private int mDragOutlineCurrent = 0; 110150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 111de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private Drawable mCrosshairsDrawable = null; 11249250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy private InterruptibleInOutAnimator mCrosshairsAnimator = null; 113de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private float mCrosshairsVisibility = 0.0f; 114de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 1156569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // When a drag operation is in progress, holds the nearest cell to the touch point 1166569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy private final int[] mDragCell = new int[2]; 11731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 118aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private final WallpaperManager mWallpaperManager; 11931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1204be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private boolean mDragging = false; 1214be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 12231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context) { 12331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, null); 12431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 12531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 12631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context, AttributeSet attrs) { 12731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, attrs, 0); 12831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 12931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context, AttributeSet attrs, int defStyle) { 13131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(context, attrs, defStyle); 1326569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1336569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // A ViewGroup usually does not draw, but CellLayout needs to draw a rectangle to show 1346569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // the user where a dragged item will land when dropped. 1356569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy setWillNotDraw(false); 136a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka 13731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CellLayout, defStyle, 0); 13831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellWidth = a.getDimensionPixelSize(R.styleable.CellLayout_cellWidth, 10); 14031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellHeight = a.getDimensionPixelSize(R.styleable.CellLayout_cellHeight, 10); 141aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 142d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mLeftPadding = 143d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_xAxisStartPadding, 10); 144d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mRightPadding = 145d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_xAxisEndPadding, 10); 146d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mTopPadding = 147d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_yAxisStartPadding, 10); 148d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mBottomPadding = 149d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_yAxisEndPadding, 10); 150aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 151d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mCountX = LauncherModel.getCellCountX(); 152d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mCountY = LauncherModel.getCellCountY(); 1530280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied = new boolean[mCountX][mCountY]; 15431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 15531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project a.recycle(); 15631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 15731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project setAlwaysDrawnWithCacheEnabled(false); 15831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 159de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mWallpaperManager = WallpaperManager.getInstance(context); 160de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 161046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final Resources res = getResources(); 162de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 163046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy if (LauncherApplication.isScreenXLarge()) { 164150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mBackgroundMini = res.getDrawable(R.drawable.mini_home_screen_bg); 165f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen mBackgroundMini.setFilterBitmap(true); 166150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mBackground = res.getDrawable(R.drawable.home_screen_bg); 167de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mBackground.setFilterBitmap(true); 168150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mBackgroundMiniHover = res.getDrawable(R.drawable.mini_home_screen_bg_hover); 169f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen mBackgroundMiniHover.setFilterBitmap(true); 1701262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy mBackgroundHover = res.getDrawable(R.drawable.home_screen_bg_hover); 1711262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy mBackgroundHover.setFilterBitmap(true); 1723e7c7634531302271270c8cf418abc959d621cbcMichael Jurka mBackgroundMiniAcceptsDrops = res.getDrawable( 1733e7c7634531302271270c8cf418abc959d621cbcMichael Jurka R.drawable.mini_home_screen_bg_accepts_drops); 1743e7c7634531302271270c8cf418abc959d621cbcMichael Jurka mBackgroundMiniAcceptsDrops.setFilterBitmap(true); 175046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy } 176de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 177046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Initialize the data structures used for the drag visualization. 178150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 179046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy mCrosshairsDrawable = res.getDrawable(R.drawable.gardening_crosshairs); 18000397b1d9233409d9d6b233b077ae12d09768ce8Chet Haase TimeInterpolator interp = new DecelerateInterpolator(2.5f); // Quint ease out 181de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 182046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Set up the animation for fading the crosshairs in and out 183046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy int animDuration = res.getInteger(R.integer.config_crosshairsFadeInTime); 18449250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy mCrosshairsAnimator = new InterruptibleInOutAnimator(animDuration, 0.0f, 1.0f); 185472b281d5cb4f5660df981a6c912266b9f5703feChet Haase mCrosshairsAnimator.getAnimator().addUpdateListener(new AnimatorUpdateListener() { 186046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy public void onAnimationUpdate(ValueAnimator animation) { 187046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy mCrosshairsVisibility = ((Float) animation.getAnimatedValue()).floatValue(); 188046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy CellLayout.this.invalidate(); 189046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy } 190046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy }); 191472b281d5cb4f5660df981a6c912266b9f5703feChet Haase mCrosshairsAnimator.getAnimator().setInterpolator(interp); 192046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy 1934be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlines.length; i++) { 1944be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragOutlines[i] = new Point(-1, -1); 195046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy } 196046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy 197046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // When dragging things around the home screens, we show a green outline of 198046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // where the item will land. The outlines gradually fade out, leaving a trail 199046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // behind the drag path. 200046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Set up all the animations that are used to implement this fading. 201046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final int duration = res.getInteger(R.integer.config_dragOutlineFadeTime); 202472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float fromAlphaValue = 0; 203472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float toAlphaValue = (float)res.getInteger(R.integer.config_dragOutlineMaxAlpha); 2044be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 2054be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlineAlphas.length; i++) { 2064be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragOutlineAlphas[i] = fromAlphaValue; 2074be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 2084be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 2094be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlineAnims.length; i++) { 210046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final InterruptibleInOutAnimator anim = 211046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy new InterruptibleInOutAnimator(duration, fromAlphaValue, toAlphaValue); 212472b281d5cb4f5660df981a6c912266b9f5703feChet Haase anim.getAnimator().setInterpolator(interp); 213046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final int thisIndex = i; 214472b281d5cb4f5660df981a6c912266b9f5703feChet Haase anim.getAnimator().addUpdateListener(new AnimatorUpdateListener() { 215de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy public void onAnimationUpdate(ValueAnimator animation) { 2164be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Bitmap outline = (Bitmap)anim.getTag(); 2174be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 2184be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // If an animation is started and then stopped very quickly, we can still 2194be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // get spurious updates we've cleared the tag. Guard against this. 2204be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (outline == null) { 221fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy if (false) { 222fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy Object val = animation.getAnimatedValue(); 223fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy Log.d(TAG, "anim " + thisIndex + " update: " + val + 224fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy ", isStopped " + anim.isStopped()); 225fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy } 2264be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Try to prevent it from continuing to run 2274be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato animation.cancel(); 2284be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } else { 229472b281d5cb4f5660df981a6c912266b9f5703feChet Haase mDragOutlineAlphas[thisIndex] = (Float) animation.getAnimatedValue(); 2304be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int left = mDragOutlines[thisIndex].x; 2314be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int top = mDragOutlines[thisIndex].y; 2324be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato CellLayout.this.invalidate(left, top, 2334be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato left + outline.getWidth(), top + outline.getHeight()); 2344be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 235de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 236de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy }); 2374be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // The animation holds a reference to the drag outline bitmap as long is it's 2384be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // running. This way the bitmap can be GCed when the animations are complete. 239472b281d5cb4f5660df981a6c912266b9f5703feChet Haase anim.getAnimator().addListener(new AnimatorListenerAdapter() { 2404be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato public void onAnimationEnd(Animator animation) { 241472b281d5cb4f5660df981a6c912266b9f5703feChet Haase if ((Float) ((ValueAnimator) animation).getAnimatedValue() == 0f) { 2424be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato anim.setTag(null); 2434be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 2444be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 2454be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato }); 2464be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragOutlineAnims[i] = anim; 247de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 24818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundRect = new Rect(); 24918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mHoverRect = new Rect(); 25018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHoverScale(1.0f); 25118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHoverAlpha(1.0f); 25218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 25318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 25418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka private void updateHoverRect() { 25518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka float marginFraction = (mHoverScale - 1.0f) / 2.0f; 25618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka int marginX = (int) (marginFraction * (mBackgroundRect.right - mBackgroundRect.left)); 25718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka int marginY = (int) (marginFraction * (mBackgroundRect.bottom - mBackgroundRect.top)); 25818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mHoverRect.set(mBackgroundRect.left - marginX, mBackgroundRect.top - marginY, 25918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundRect.right + marginX, mBackgroundRect.bottom + marginY); 26018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka invalidate(); 26118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 26218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 26318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public void setHoverScale(float scaleFactor) { 26418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka if (scaleFactor != mHoverScale) { 26518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mHoverScale = scaleFactor; 26618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka updateHoverRect(); 26718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 26818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 26918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 27018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public float getHoverScale() { 27118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka return mHoverScale; 27218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 27318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 27418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public float getHoverAlpha() { 27518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka return mHoverAlpha; 27618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 27718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 27818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public void setHoverAlpha(float alpha) { 27918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mHoverAlpha = alpha; 28018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka invalidate(); 28118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 28218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 28318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka void animateDrop() { 28418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka if (LauncherApplication.isScreenXLarge()) { 28518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka Resources res = getResources(); 28618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka float onDropScale = res.getInteger(R.integer.config_screenOnDropScalePercent) / 100.0f; 28718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka ObjectAnimator scaleUp = ObjectAnimator.ofFloat(this, "hoverScale", onDropScale); 28818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka scaleUp.setDuration(res.getInteger(R.integer.config_screenOnDropScaleUpDuration)); 28918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka ObjectAnimator scaleDown = ObjectAnimator.ofFloat(this, "hoverScale", 1.0f); 29018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka scaleDown.setDuration(res.getInteger(R.integer.config_screenOnDropScaleDownDuration)); 29118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka ObjectAnimator alphaFadeOut = ObjectAnimator.ofFloat(this, "hoverAlpha", 0.0f); 29218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 29318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka alphaFadeOut.setStartDelay(res.getInteger(R.integer.config_screenOnDropAlphaFadeDelay)); 29418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka alphaFadeOut.setDuration(res.getInteger(R.integer.config_screenOnDropAlphaFadeDelay)); 29518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 29618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka AnimatorSet bouncer = new AnimatorSet(); 29718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka bouncer.play(scaleUp).before(scaleDown); 29818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka bouncer.play(scaleUp).with(alphaFadeOut); 29918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka bouncer.addListener(new AnimatorListenerAdapter() { 30018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public void onAnimationStart(Animator animation) { 30118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHover(true); 30218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 30318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public void onAnimationEnd(Animator animation) { 30418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHover(false); 30518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHoverScale(1.0f); 30618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHoverAlpha(1.0f); 30718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 30818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka }); 30918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka bouncer.start(); 31018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 311a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy } 312a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy 313a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka public void setHover(boolean value) { 314a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka if (mHover != value) { 3153e7c7634531302271270c8cf418abc959d621cbcMichael Jurka mHover = value; 316a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka invalidate(); 317a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 318a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 319a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka 3201262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy public void drawChildren(Canvas canvas) { 3211262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy super.dispatchDraw(canvas); 3221262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy } 3231262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy 324a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy @Override 3251262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy protected void onDraw(Canvas canvas) { 3263e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // When we're large, we are either drawn in a "hover" state (ie when dragging an item to 3273e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // a neighboring page) or with just a normal background (if backgroundAlpha > 0.0f) 3283e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // When we're small, we are either drawn normally or in the "accepts drops" state (during 3293e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // a drag). However, we also drag the mini hover background *over* one of those two 3303e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // backgrounds 3315f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka if (mBackgroundAlpha > 0.0f) { 332f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen Drawable bg; 3331262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy if (getScaleX() < 0.5f) { 3343e7c7634531302271270c8cf418abc959d621cbcMichael Jurka bg = mAcceptsDrops ? mBackgroundMiniAcceptsDrops : mBackgroundMini; 335f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } else { 3361262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy bg = mHover ? mBackgroundHover : mBackground; 337f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 3389c4949e12c909d5e01d24386147b1c528015b31bAdam Cohen if (bg != null) { 3399c4949e12c909d5e01d24386147b1c528015b31bAdam Cohen bg.setAlpha((int) (mBackgroundAlpha * 255)); 34018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka bg.setBounds(mBackgroundRect); 3419c4949e12c909d5e01d24386147b1c528015b31bAdam Cohen bg.draw(canvas); 3429c4949e12c909d5e01d24386147b1c528015b31bAdam Cohen } 3433e7c7634531302271270c8cf418abc959d621cbcMichael Jurka if (mHover && getScaleX() < 0.5f) { 34418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka boolean modifiedClipRect = false; 34518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka if (mHoverScale > 1.0f) { 34618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka // If the hover background's scale is greater than 1, we'll be drawing outside 34718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka // the bounds of this CellLayout. Get around that by temporarily increasing the 34818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka // size of the clip rect 34918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka float marginFraction = (mHoverScale - 1.0f) / 2.0f; 35018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka Rect clipRect = canvas.getClipBounds(); 35118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka int marginX = (int) (marginFraction * (clipRect.right - clipRect.left)); 35218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka int marginY = (int) (marginFraction * (clipRect.bottom - clipRect.top)); 35318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka canvas.save(Canvas.CLIP_SAVE_FLAG); 35418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka canvas.clipRect(-marginX, -marginY, 35518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka getWidth() + marginX, getHeight() + marginY, Region.Op.REPLACE); 35618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka modifiedClipRect = true; 35718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 35818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 35918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundMiniHover.setAlpha((int) (mBackgroundAlpha * mHoverAlpha * 255)); 36018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundMiniHover.setBounds(mHoverRect); 3613e7c7634531302271270c8cf418abc959d621cbcMichael Jurka mBackgroundMiniHover.draw(canvas); 36218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka if (modifiedClipRect) { 36318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka canvas.restore(); 36418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 3653e7c7634531302271270c8cf418abc959d621cbcMichael Jurka } 366a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 36731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 368de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (mCrosshairsVisibility > 0.0f) { 369de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countX = mCountX; 370de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countY = mCountY; 371de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 372de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final float MAX_ALPHA = 0.4f; 373de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int MAX_VISIBLE_DISTANCE = 600; 374de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final float DISTANCE_MULTIPLIER = 0.002f; 375de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 376de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final Drawable d = mCrosshairsDrawable; 377de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int width = d.getIntrinsicWidth(); 378de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int height = d.getIntrinsicHeight(); 379de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 380de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int x = getLeftPadding() - (mWidthGap / 2) - (width / 2); 381de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int col = 0; col <= countX; col++) { 382de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int y = getTopPadding() - (mHeightGap / 2) - (height / 2); 383de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int row = 0; row <= countY; row++) { 384de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mTmpPointF.set(x - mDragCenter.x, y - mDragCenter.y); 385de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy float dist = mTmpPointF.length(); 386de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // Crosshairs further from the drag point are more faint 387de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy float alpha = Math.min(MAX_ALPHA, 388de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy DISTANCE_MULTIPLIER * (MAX_VISIBLE_DISTANCE - dist)); 389de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (alpha > 0.0f) { 390de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.setBounds(x, y, x + width, y + height); 391de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.setAlpha((int) (alpha * 255 * mCrosshairsVisibility)); 392de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.draw(canvas); 393de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 394de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy y += mCellHeight + mHeightGap; 395de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 396de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy x += mCellWidth + mWidthGap; 397de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 3984be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 399150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 4004be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Paint paint = new Paint(); 4014be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlines.length; i++) { 402472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float alpha = mDragOutlineAlphas[i]; 4034be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (alpha > 0) { 4044be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Point p = mDragOutlines[i]; 4054be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Bitmap b = (Bitmap) mDragOutlineAnims[i].getTag(); 406472b281d5cb4f5660df981a6c912266b9f5703feChet Haase paint.setAlpha((int)(alpha + .5f)); 4074be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato canvas.drawBitmap(b, p.x, p.y, paint); 408150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung } 4096569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 4106569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 4116569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 412f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen public void setDimmableProgress(float progress) { 413f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen for (int i = 0; i < getChildCount(); i++) { 414f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen Dimmable d = (Dimmable) getChildAt(i); 415f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen d.setDimmableProgress(progress); 416f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 417f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 418f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen 419f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen public float getDimmableProgress() { 420f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen if (getChildCount() > 0) { 421f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen return ((Dimmable) getChildAt(0)).getDimmableProgress(); 422f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 423f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen return 0.0f; 424f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 425f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen 4266569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy @Override 42783f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey public void cancelLongPress() { 42883f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey super.cancelLongPress(); 42983f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey 43083f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey // Cancel long press for all children 43183f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey final int count = getChildCount(); 43283f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey for (int i = 0; i < count; i++) { 43383f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey final View child = getChildAt(i); 43483f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey child.cancelLongPress(); 43583f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey } 43683f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey } 43783f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey 438dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka public void setOnInterceptTouchListener(View.OnTouchListener listener) { 439dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka mInterceptTouchListener = listener; 440dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 441dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 44231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCountX() { 443d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen return mCountX; 44431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 44531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 44631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCountY() { 447d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen return mCountY; 44831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 44931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 450aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public boolean addViewToCellLayout(View child, int index, int childId, LayoutParams params) { 451aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final LayoutParams lp = params; 452aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 45331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Generate an id for each view, this assumes we have at most 256x256 cells 45431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // per workspace screen 455d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellX >= 0 && lp.cellX <= mCountX - 1 && lp.cellY >= 0 && lp.cellY <= mCountY - 1) { 456aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // If the horizontal or vertical span is set to -1, it is taken to 457aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // mean that it spans the extent of the CellLayout 458d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellHSpan < 0) lp.cellHSpan = mCountX; 459d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellVSpan < 0) lp.cellVSpan = mCountY; 460aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 461aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung child.setId(childId); 46231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 463dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka // We might be in the middle or end of shrinking/fading to a dimmed view 464dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka // Make sure this view's alpha is set the same as all the rest of the views 4655f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka child.setAlpha(getAlpha()); 466aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung addView(child, index, lp); 467dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 4680280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsOccupiedForView(child); 4690280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 470aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return true; 471aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 472aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return false; 47331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 4743e7c7634531302271270c8cf418abc959d621cbcMichael Jurka public void setAcceptsDrops(boolean acceptsDrops) { 4753e7c7634531302271270c8cf418abc959d621cbcMichael Jurka if (mAcceptsDrops != acceptsDrops) { 4763e7c7634531302271270c8cf418abc959d621cbcMichael Jurka mAcceptsDrops = acceptsDrops; 4773e7c7634531302271270c8cf418abc959d621cbcMichael Jurka invalidate(); 4783e7c7634531302271270c8cf418abc959d621cbcMichael Jurka } 4793e7c7634531302271270c8cf418abc959d621cbcMichael Jurka } 4803e7c7634531302271270c8cf418abc959d621cbcMichael Jurka 4813e7c7634531302271270c8cf418abc959d621cbcMichael Jurka public boolean getAcceptsDrops() { 4823e7c7634531302271270c8cf418abc959d621cbcMichael Jurka return mAcceptsDrops; 4833e7c7634531302271270c8cf418abc959d621cbcMichael Jurka } 48431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 48531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 4860280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeAllViews() { 4870280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka clearOccupiedCells(); 4880280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 4890280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 4900280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 4910280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeAllViewsInLayout() { 4920280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka clearOccupiedCells(); 4930280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 4940280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 4950280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 4960280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeView(View view) { 4970280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 4980280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeView(view); 4990280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5000280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5010280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5020280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewAt(int index) { 5030280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(getChildAt(index)); 5040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViewAt(index); 5050280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5060280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5070280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewInLayout(View view) { 5090280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 5100280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViewInLayout(view); 5110280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5120280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5130280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViews(int start, int count) { 5150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = start; i < start + count; i++) { 5160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(getChildAt(i)); 5170280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5180280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViews(start, count); 5190280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5200280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5210280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5220280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewsInLayout(int start, int count) { 5230280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = start; i < start + count; i++) { 5240280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(getChildAt(i)); 5250280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5260280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViewsInLayout(start, count); 5270280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5280280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5290280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 53031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void requestChildFocus(View child, View focused) { 53131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.requestChildFocus(child, focused); 53231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child != null) { 53331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Rect r = new Rect(); 53431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.getDrawingRect(r); 53531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project requestRectangleOnScreen(r); 53631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 53731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 53831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 53931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 54031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onAttachedToWindow() { 54131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onAttachedToWindow(); 54231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellInfo.screen = ((ViewGroup) getParent()).indexOfChild(this); 54331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 54431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 545af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka public void setTagToCellInfoForPoint(int touchX, int touchY) { 54631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellInfo cellInfo = mCellInfo; 547af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final Rect frame = mRect; 548af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int x = touchX + mScrollX; 549af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int y = touchY + mScrollY; 550af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int count = getChildCount(); 55131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 552af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka boolean found = false; 553af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka for (int i = count - 1; i >= 0; i--) { 554af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final View child = getChildAt(i); 555af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka 556af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if ((child.getVisibility()) == VISIBLE || child.getAnimation() != null) { 557af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka child.getHitRect(frame); 558af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (frame.contains(x, y)) { 559af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final LayoutParams lp = (LayoutParams) child.getLayoutParams(); 560af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cell = child; 561af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellX = lp.cellX; 562af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellY = lp.cellY; 563af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanX = lp.cellHSpan; 564af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanY = lp.cellVSpan; 565af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.valid = true; 566af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka found = true; 567af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka break; 56831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 56931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 570af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 571aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 572af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (!found) { 5736569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy final int cellXY[] = mTmpCellXY; 574af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka pointToCellExact(x, y, cellXY); 57531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 576af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cell = null; 577af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellX = cellXY[0]; 578af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellY = cellXY[1]; 579af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanX = 1; 580af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanY = 1; 5810280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellInfo.valid = cellXY[0] >= 0 && cellXY[1] >= 0 && cellXY[0] < mCountX && 5820280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[1] < mCountY && !mOccupied[cellXY[0]][cellXY[1]]; 583af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 584af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka setTag(cellInfo); 585af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 58631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 587aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 588af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka @Override 589af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka public boolean onInterceptTouchEvent(MotionEvent ev) { 590dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka if (mInterceptTouchListener != null && mInterceptTouchListener.onTouch(this, ev)) { 591dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka return true; 592dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 593af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int action = ev.getAction(); 594af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final CellInfo cellInfo = mCellInfo; 59531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 596af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (action == MotionEvent.ACTION_DOWN) { 597af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka setTagToCellInfoForPoint((int) ev.getX(), (int) ev.getY()); 59831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (action == MotionEvent.ACTION_UP) { 59931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.cell = null; 60031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.cellX = -1; 60131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.cellY = -1; 60231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.spanX = 0; 60331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.spanY = 0; 60431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.valid = false; 60531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project setTag(cellInfo); 60631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 60731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 60831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 60931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 61031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 61131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 61231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellInfo getTag() { 6130280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return (CellInfo) super.getTag(); 61431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 61531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6166569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 6176569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * Check if the row 'y' is empty from columns 'left' to 'right', inclusive. 6186569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 61931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private static boolean isRowEmpty(int y, int left, int right, boolean[][] occupied) { 62031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int x = left; x <= right; x++) { 62131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (occupied[x][y]) { 62231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 62331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 62431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 62531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 62631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 62731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 62831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 629aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Given a point, return the cell that strictly encloses that point 63031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x X coordinate of the point 63131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y Y coordinate of the point 63231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the cell 63331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 63431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void pointToCellExact(int x, int y, int[] result) { 635aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int hStartPadding = getLeftPadding(); 636aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int vStartPadding = getTopPadding(); 63731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 63831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[0] = (x - hStartPadding) / (mCellWidth + mWidthGap); 63931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[1] = (y - vStartPadding) / (mCellHeight + mHeightGap); 64031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 641d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int xAxis = mCountX; 642d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int yAxis = mCountY; 64331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 64431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[0] < 0) result[0] = 0; 64531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[0] >= xAxis) result[0] = xAxis - 1; 64631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[1] < 0) result[1] = 0; 64731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[1] >= yAxis) result[1] = yAxis - 1; 64831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 649aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 65031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 65131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Given a point, return the cell that most closely encloses that point 65231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x X coordinate of the point 65331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y Y coordinate of the point 65431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the cell 65531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 65631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void pointToCellRounded(int x, int y, int[] result) { 65731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project pointToCellExact(x + (mCellWidth / 2), y + (mCellHeight / 2), result); 65831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 65931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 66031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 66131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Given a cell coordinate, return the point that represents the upper left corner of that cell 662aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 663aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * @param cellX X coordinate of the cell 66431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellY Y coordinate of the cell 665aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 66631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the point 66731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 66831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void cellToPoint(int cellX, int cellY, int[] result) { 669aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int hStartPadding = getLeftPadding(); 670aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int vStartPadding = getTopPadding(); 67131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 67231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[0] = hStartPadding + cellX * (mCellWidth + mWidthGap); 67331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[1] = vStartPadding + cellY * (mCellHeight + mHeightGap); 67431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 67531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 67684f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy int getCellWidth() { 67784f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy return mCellWidth; 67884f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 67984f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 68084f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy int getCellHeight() { 68184f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy return mCellHeight; 68284f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 68384f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 6841a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getLeftPadding() { 685aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mLeftPadding; 6861a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 6871a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 6881a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getTopPadding() { 689aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mTopPadding; 6901a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 6911a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 6921a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getRightPadding() { 693aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mRightPadding; 6941a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 6951a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 6961a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getBottomPadding() { 697aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mBottomPadding; 6981a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 6991a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 70031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 70131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 70231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // TODO: currently ignoring padding 703aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 70431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec); 705aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec); 706aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 70731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec); 70831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int heightSpecSize = MeasureSpec.getSize(heightMeasureSpec); 709aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 71031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (widthSpecMode == MeasureSpec.UNSPECIFIED || heightSpecMode == MeasureSpec.UNSPECIFIED) { 71131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new RuntimeException("CellLayout cannot have UNSPECIFIED dimensions"); 71231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 71331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 71431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellWidth = mCellWidth; 71531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellHeight = mCellHeight; 71631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 717d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen int numWidthGaps = mCountX - 1; 718d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen int numHeightGaps = mCountY - 1; 719d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen 7200280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int vSpaceLeft = heightSpecSize - mTopPadding - mBottomPadding - (cellHeight * mCountY); 721d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mHeightGap = vSpaceLeft / numHeightGaps; 722d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen 7230280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int hSpaceLeft = widthSpecSize - mLeftPadding - mRightPadding - (cellWidth * mCountX); 724d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mWidthGap = hSpaceLeft / numWidthGaps; 725aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 7265f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // center it around the min gaps 7275f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka int minGap = Math.min(mWidthGap, mHeightGap); 7285f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka mWidthGap = mHeightGap = minGap; 7295f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 73031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = getChildCount(); 73131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 73231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 73331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = getChildAt(i); 73431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LayoutParams lp = (LayoutParams) child.getLayoutParams(); 735aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung lp.setup(cellWidth, cellHeight, mWidthGap, mHeightGap, 736aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung mLeftPadding, mTopPadding); 737aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 7380280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int childWidthMeasureSpec = MeasureSpec.makeMeasureSpec(lp.width, MeasureSpec.EXACTLY); 739aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung int childheightMeasureSpec = MeasureSpec.makeMeasureSpec(lp.height, 740aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung MeasureSpec.EXACTLY); 74131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 74231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.measure(childWidthMeasureSpec, childheightMeasureSpec); 74331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 7445f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka if (widthSpecMode == MeasureSpec.AT_MOST) { 7455f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka int newWidth = mLeftPadding + mRightPadding + (mCountX * cellWidth) + 7465f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka ((mCountX - 1) * minGap); 7475f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka int newHeight = mTopPadding + mBottomPadding + (mCountY * cellHeight) + 7485f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka ((mCountY - 1) * minGap); 7495f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka setMeasuredDimension(newWidth, newHeight); 7505f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } else if (widthSpecMode == MeasureSpec.EXACTLY) { 7515f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka setMeasuredDimension(widthSpecSize, heightSpecSize); 7525f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } 75331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 75431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 75531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 75628750fba6a2d141eb9a1e566718c17236030b815Michael Jurka protected void onLayout(boolean changed, int l, int t, int r, int b) { 75731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = getChildCount(); 75831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 75931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 76031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = getChildAt(i); 76131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child.getVisibility() != GONE) { 76231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 76331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 76431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 76531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int childLeft = lp.x; 76631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int childTop = lp.y; 76731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.layout(childLeft, childTop, childLeft + lp.width, childTop + lp.height); 76884f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 76984f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy if (lp.dropped) { 77084f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy lp.dropped = false; 77184f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 7726569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy final int[] cellXY = mTmpCellXY; 77306762ab54d64e84328d427403bb6074dfd0f630cRomain Guy getLocationOnScreen(cellXY); 77484f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy mWallpaperManager.sendWallpaperCommand(getWindowToken(), "android.home.drop", 77506762ab54d64e84328d427403bb6074dfd0f630cRomain Guy cellXY[0] + childLeft + lp.width / 2, 77606762ab54d64e84328d427403bb6074dfd0f630cRomain Guy cellXY[1] + childTop + lp.height / 2, 0, null); 77784f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 77831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 77931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 78031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 78131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 78231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 783dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka protected void onSizeChanged(int w, int h, int oldw, int oldh) { 784dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka super.onSizeChanged(w, h, oldw, oldh); 78518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundRect.set(0, 0, w, h); 78618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka updateHoverRect(); 787dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 788dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 789dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka @Override 79031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void setChildrenDrawingCacheEnabled(boolean enabled) { 79131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 79231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 79331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View view = getChildAt(i); 79431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view.setDrawingCacheEnabled(enabled); 79531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Update the drawing caches 796fefa0ce22af9560f1c0f8c84c760c75f34b7b12cAdam Powell view.buildDrawingCache(true); 79731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 79831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 79931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 80031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 80131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void setChildrenDrawnWithCacheEnabled(boolean enabled) { 80231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.setChildrenDrawnWithCacheEnabled(enabled); 80331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 80431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8055f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public float getBackgroundAlpha() { 8065f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka return mBackgroundAlpha; 807dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 808dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 8095f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public void setBackgroundAlpha(float alpha) { 8105f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka mBackgroundAlpha = alpha; 8110142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka invalidate(); 812dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 813dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 8145f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // Need to return true to let the view system know we know how to handle alpha-- this is 8155f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // because when our children have an alpha of 0.0f, they are still rendering their "dimmed" 8165f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // versions 8175f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka @Override 8185f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka protected boolean onSetAlpha(int alpha) { 8195f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka return true; 8205f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } 8215f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 8225f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public void setAlpha(float alpha) { 8235f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka setChildrenAlpha(alpha); 8245f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka super.setAlpha(alpha); 8255f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } 8265f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 827dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka private void setChildrenAlpha(float alpha) { 8280142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka final int childCount = getChildCount(); 8290142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka for (int i = 0; i < childCount; i++) { 830dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka getChildAt(i).setAlpha(alpha); 831dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 832dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 833dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 8340280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private boolean isVacantIgnoring( 8350280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int originX, int originY, int spanX, int spanY, View ignoreView) { 8360280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (ignoreView != null) { 8370280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(ignoreView); 8380280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 83928750fba6a2d141eb9a1e566718c17236030b815Michael Jurka boolean isVacant = true; 8406569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy for (int i = 0; i < spanY; i++) { 8416569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (!isRowEmpty(originY + i, originX, originX + spanX - 1, mOccupied)) { 84228750fba6a2d141eb9a1e566718c17236030b815Michael Jurka isVacant = false; 84328750fba6a2d141eb9a1e566718c17236030b815Michael Jurka break; 8446569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 8456569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 8460280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (ignoreView != null) { 8470280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsOccupiedForView(ignoreView); 8480280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 84928750fba6a2d141eb9a1e566718c17236030b815Michael Jurka return isVacant; 8506569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 8516569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 8520280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private boolean isVacant(int originX, int originY, int spanX, int spanY) { 8530280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return isVacantIgnoring(originX, originY, spanX, spanY, null); 8540280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 8550280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 856440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy public View getChildAt(int x, int y) { 857440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy final int count = getChildCount(); 858440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy for (int i = 0; i < count; i++) { 859440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy View child = getChildAt(i); 860440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy LayoutParams lp = (LayoutParams) child.getLayoutParams(); 861440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy 862440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy if ((lp.cellX <= x) && (x < lp.cellX + lp.cellHSpan) && 863440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy (lp.cellY <= y) && (y < lp.cellY + lp.cellHSpan)) { 864440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy return child; 865440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy } 866440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy } 867440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy return null; 868440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy } 869440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy 8706569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 8718f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy * Estimate the size that a child with the given dimensions will take in the layout. 8728f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy */ 8738f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy void estimateChildSize(int minWidth, int minHeight, int[] result) { 8748f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy // Assuming it's placed at 0, 0, find where the bottom right cell will land 8758f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy rectToCell(minWidth, minHeight, result); 8768f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy 8778f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy // Then figure out the rect it will occupy 8788f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy cellToRect(0, 0, result[0], result[1], mRectF); 8798f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[0] = (int)mRectF.width(); 8808f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[1] = (int)mRectF.height(); 8818f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy } 8828f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy 8838f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy /** 8846569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * Estimate where the top left cell of the dragged item will land if it is dropped. 8856569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * 8866569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param originX The X value of the top left corner of the item 8876569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param originY The Y value of the top left corner of the item 8886569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param spanX The number of horizontal cells that the item spans 8896569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param spanY The number of vertical cells that the item spans 8906569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param result The estimated drop cell X and Y. 8916569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 8926569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy void estimateDropCell(int originX, int originY, int spanX, int spanY, int[] result) { 893d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int countX = mCountX; 894d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int countY = mCountY; 8956569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 896a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka // pointToCellRounded takes the top left of a cell but will pad that with 897a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka // cellWidth/2 and cellHeight/2 when finding the matching cell 898a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka pointToCellRounded(originX, originY, result); 8996569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 9006569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // If the item isn't fully on this screen, snap to the edges 9016569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy int rightOverhang = result[0] + spanX - countX; 9026569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (rightOverhang > 0) { 9036569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[0] -= rightOverhang; // Snap to right 9046569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 9056569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[0] = Math.max(0, result[0]); // Snap to left 9066569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy int bottomOverhang = result[1] + spanY - countY; 9076569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (bottomOverhang > 0) { 9086569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[1] -= bottomOverhang; // Snap to bottom 9096569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 9106569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[1] = Math.max(0, result[1]); // Snap to top 9116569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 9126569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 9134be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato void visualizeDropLocation( 9144be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato View v, Bitmap dragOutline, int originX, int originY, int spanX, int spanY) { 9154be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 91608ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy final int oldDragCellX = mDragCell[0]; 91708ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy final int oldDragCellY = mDragCell[1]; 9184be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int[] nearest = findNearestVacantArea(originX, originY, spanX, spanY, v, mDragCell); 9194be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragCenter.set(originX + (v.getWidth() / 2), originY + (v.getHeight() / 2)); 9206569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 92108ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy if (nearest != null && (nearest[0] != oldDragCellX || nearest[1] != oldDragCellY)) { 9226569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // Find the top left corner of the rect the object will occupy 923de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int[] topLeft = mTmpPoint; 924de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy cellToPoint(nearest[0], nearest[1], topLeft); 925de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 9264be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato int left = topLeft[0]; 9274be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato int top = topLeft[1]; 9286569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 9294be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (v.getParent() instanceof CellLayout) { 9304be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato LayoutParams lp = (LayoutParams) v.getLayoutParams(); 9314be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato left += lp.leftMargin; 9324be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato top += lp.topMargin; 9334be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 934150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 9354be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Offsets due to the size difference between the View and the dragOutline 9364be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato left += (v.getWidth() - dragOutline.getWidth()) / 2; 9374be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato top += (v.getHeight() - dragOutline.getHeight()) / 2; 938150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 9394be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int oldIndex = mDragOutlineCurrent; 94008ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[oldIndex].animateOut(); 94108ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineCurrent = (oldIndex + 1) % mDragOutlines.length; 942150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 94308ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlines[mDragOutlineCurrent].set(left, top); 94408ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[mDragOutlineCurrent].setTag(dragOutline); 94508ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[mDragOutlineCurrent].animateIn(); 9466569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 94749250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy 94849250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy // If we are drawing crosshairs, the entire CellLayout needs to be invalidated 94949250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy if (mCrosshairsDrawable != null) { 95049250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy invalidate(); 95149250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy } 9526569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 9536569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 95431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 95570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Find a vacant area that will fit the given bounds nearest the requested 95670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * cell location. Uses Euclidean distance to score multiple vacant areas. 957aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 95851afc022fa76c79f0d1ece470ddc126c08fea8a4Romain Guy * @param pixelX The X location at which you want to search for a vacant area. 95951afc022fa76c79f0d1ece470ddc126c08fea8a4Romain Guy * @param pixelY The Y location at which you want to search for a vacant area. 96070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @param spanX Horizontal span of the object. 96170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @param spanY Vertical span of the object. 962de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * @param result Array in which to place the result, or null (in which case a new array will 963de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * be allocated) 96470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @return The X, Y cell of a vacant area that can contain this object, 96570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * nearest the requested location. 96631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 9676a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka int[] findNearestVacantArea( 968de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int pixelX, int pixelY, int spanX, int spanY, int[] result) { 969de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy return findNearestVacantArea(pixelX, pixelY, spanX, spanY, null, result); 9706a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka } 971aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 9726a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka /** 9736a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * Find a vacant area that will fit the given bounds nearest the requested 9746a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * cell location. Uses Euclidean distance to score multiple vacant areas. 9756a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * 9766a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param pixelX The X location at which you want to search for a vacant area. 9776a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param pixelY The Y location at which you want to search for a vacant area. 9786a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param spanX Horizontal span of the object. 9796a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param spanY Vertical span of the object. 9806a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param ignoreView Considers space occupied by this view as unoccupied 981de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * @param result Previously returned value to possibly recycle. 9826a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @return The X, Y cell of a vacant area that can contain this object, 9836a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * nearest the requested location. 9846a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka */ 9856a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka int[] findNearestVacantArea( 986de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int pixelX, int pixelY, int spanX, int spanY, View ignoreView, int[] result) { 987c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // mark space take by ignoreView as available (method checks if ignoreView is null) 988c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsUnoccupiedForView(ignoreView); 989c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka 99070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Keep track of best-scoring drop area 991de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int[] bestXY = result != null ? result : new int[2]; 99270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey double bestDistance = Double.MAX_VALUE; 993aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 994de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countX = mCountX; 995de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countY = mCountY; 996de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final boolean[][] occupied = mOccupied; 997de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 998de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int x = 0; x < countX - (spanX - 1); x++) { 999c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka inner: 1000de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int y = 0; y < countY - (spanY - 1); y++) { 1001c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka for (int i = 0; i < spanX; i++) { 1002c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka for (int j = 0; j < spanY; j++) { 1003de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (occupied[x + i][y + j]) { 1004c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka // small optimization: we can skip to below the row we just found 1005c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka // an occupied cell 1006c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka y += j; 1007c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka continue inner; 1008c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 1009c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 1010c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 1011c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka final int[] cellXY = mTmpCellXY; 1012c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka cellToPoint(x, y, cellXY); 1013c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka 1014c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka double distance = Math.sqrt(Math.pow(cellXY[0] - pixelX, 2) 1015c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka + Math.pow(cellXY[1] - pixelY, 2)); 1016c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka if (distance <= bestDistance) { 1017c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestDistance = distance; 1018c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestXY[0] = x; 1019c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestXY[1] = y; 1020c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 102131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 102231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1023c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // re-mark space taken by ignoreView as occupied 1024c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsOccupiedForView(ignoreView); 102531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1026aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // Return null if no suitable location found 102770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey if (bestDistance < Double.MAX_VALUE) { 102870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return bestXY; 102970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } else { 103070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return null; 103170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 103231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1033aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 10340280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean existsEmptyCell() { 10350280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpan(null, 1, 1); 10360280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10370280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 10380280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 10390280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Finds the upper-left coordinate of the first rectangle in the grid that can 10400280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * hold a cell of the specified dimensions. If intersectX and intersectY are not -1, 10410280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * then this method will only return coordinates for rectangles that contain the cell 10420280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * (intersectX, intersectY) 10430280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 10440280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param cellXY The array that will contain the position of a vacant cell if such a cell 10450280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * can be found. 10460280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 10470280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 10480280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 10490280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return True if a vacant cell of the specified dimension was found, false otherwise. 10500280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 10510280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpan(int[] cellXY, int spanX, int spanY) { 10520280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring(cellXY, spanX, spanY, -1, -1, null); 10530280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10540280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 10550280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 10560280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Like above, but ignores any cells occupied by the item "ignoreView" 10570280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 10580280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param cellXY The array that will contain the position of a vacant cell if such a cell 10590280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * can be found. 10600280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 10610280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 10620280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param ignoreView The home screen item we should treat as not occupying any space 10630280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return 10640280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 10650280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanIgnoring(int[] cellXY, int spanX, int spanY, View ignoreView) { 10660280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring(cellXY, spanX, spanY, -1, -1, ignoreView); 10670280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10680280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 10690280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 10700280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Like above, but if intersectX and intersectY are not -1, then this method will try to 10710280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * return coordinates for rectangles that contain the cell [intersectX, intersectY] 10720280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 10730280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 10740280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 10750280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param ignoreView The home screen item we should treat as not occupying any space 10760280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param intersectX The X coordinate of the cell that we should try to overlap 10770280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param intersectX The Y coordinate of the cell that we should try to overlap 10780280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 10790280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return True if a vacant cell of the specified dimension was found, false otherwise. 10800280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 10810280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanThatIntersects(int[] cellXY, int spanX, int spanY, 10820280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int intersectX, int intersectY) { 10830280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring( 10840280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY, spanX, spanY, intersectX, intersectY, null); 10850280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10860280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 10870280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 10880280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * The superset of the above two methods 10890280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 10900280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanThatIntersectsIgnoring(int[] cellXY, int spanX, int spanY, 10910280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int intersectX, int intersectY, View ignoreView) { 1092c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // mark space take by ignoreView as available (method checks if ignoreView is null) 1093c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsUnoccupiedForView(ignoreView); 10940280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 109528750fba6a2d141eb9a1e566718c17236030b815Michael Jurka boolean foundCell = false; 10960280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka while (true) { 10970280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int startX = 0; 10980280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX >= 0) { 10990280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka startX = Math.max(startX, intersectX - (spanX - 1)); 11000280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11010280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int endX = mCountX - (spanX - 1); 11020280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX >= 0) { 11030280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka endX = Math.min(endX, intersectX + (spanX - 1) + (spanX == 1 ? 1 : 0)); 11040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11050280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int startY = 0; 11060280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectY >= 0) { 11070280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka startY = Math.max(startY, intersectY - (spanY - 1)); 11080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11090280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int endY = mCountY - (spanY - 1); 11100280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectY >= 0) { 11110280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka endY = Math.min(endY, intersectY + (spanY - 1) + (spanY == 1 ? 1 : 0)); 11120280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11130280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 11140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = startX; x < endX; x++) { 11150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka inner: 11160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = startY; y < endY; y++) { 11170280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = 0; i < spanX; i++) { 11180280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int j = 0; j < spanY; j++) { 11190280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (mOccupied[x + i][y + j]) { 11200280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // small optimization: we can skip to below the row we just found 11210280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // an occupied cell 11220280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka y += j; 11230280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka continue inner; 11240280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11250280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11260280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11270280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (cellXY != null) { 11280280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[0] = x; 11290280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[1] = y; 11300280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 113128750fba6a2d141eb9a1e566718c17236030b815Michael Jurka foundCell = true; 113228750fba6a2d141eb9a1e566718c17236030b815Michael Jurka break; 11330280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11340280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11350280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX == -1 && intersectY == -1) { 11360280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka break; 11370280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } else { 11380280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // if we failed to find anything, try again but without any requirements of 11390280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // intersecting 11400280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka intersectX = -1; 11410280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka intersectY = -1; 11420280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka continue; 11430280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11440280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11450280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 1146c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // re-mark space taken by ignoreView as occupied 1147c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsOccupiedForView(ignoreView); 114828750fba6a2d141eb9a1e566718c17236030b815Michael Jurka return foundCell; 11490280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11500280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 115131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 11520280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Called when drag has left this CellLayout or has been completed (successfully or not) 11536569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 11540280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka void onDragExit() { 11554be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // This can actually be called when we aren't in a drag, e.g. when adding a new 11564be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // item to this layout via the customize drawer. 11574be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Guard against that case. 11584be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (mDragging) { 11594be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragging = false; 11606569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 11614be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Fade out the drag indicators 11624be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (mCrosshairsAnimator != null) { 11634be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mCrosshairsAnimator.animateOut(); 11644be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 11654be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 116608ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy 116708ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy // Invalidate the drag data 116808ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragCell[0] = -1; 116908ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragCell[1] = -1; 117008ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[mDragOutlineCurrent].animateOut(); 117108ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineCurrent = (mDragOutlineCurrent + 1) % mDragOutlineAnims.length; 117208ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy 117308ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy setHover(false); 11746569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 11756569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 11766569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 1177aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Mark a child as having been dropped. 1178de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * At the beginning of the drag operation, the child may have been on another 1179de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * screen, but it is reparented before this method is called. 118031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 118131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child that is being dropped 118231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 1183aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung void onDropChild(View child) { 1184d94533d04a5f8f5485f106d10af60169857ea899Romain Guy if (child != null) { 1185d94533d04a5f8f5485f106d10af60169857ea899Romain Guy LayoutParams lp = (LayoutParams) child.getLayoutParams(); 1186d94533d04a5f8f5485f106d10af60169857ea899Romain Guy lp.isDragging = false; 118784f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy lp.dropped = true; 1188d94533d04a5f8f5485f106d10af60169857ea899Romain Guy child.requestLayout(); 1189d94533d04a5f8f5485f106d10af60169857ea899Romain Guy } 119031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 119131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 119231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void onDropAborted(View child) { 119331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child != null) { 119431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ((LayoutParams) child.getLayoutParams()).isDragging = false; 119531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 119631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 119731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 119831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 119931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Start dragging the specified child 1200aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 120131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child that is being dragged 120231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 120331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void onDragChild(View child) { 120431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LayoutParams lp = (LayoutParams) child.getLayoutParams(); 120531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.isDragging = true; 1206de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 1207de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 1208de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy /** 1209de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * A drag event has begun over this layout. 1210de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * It may have begun over this layout (in which case onDragChild is called first), 1211de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * or it may have begun on another layout. 1212de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy */ 1213de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy void onDragEnter(View dragView) { 1214fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy if (!mDragging) { 1215fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy // Fade in the drag indicators 1216fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy if (mCrosshairsAnimator != null) { 1217fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy mCrosshairsAnimator.animateIn(); 1218fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy } 12194be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 12204be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragging = true; 122131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1222aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 122331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 122431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Computes a bounding rectangle for a range of cells 1225aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 122631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellX X coordinate of upper left corner expressed as a cell position 122731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellY Y coordinate of upper left corner expressed as a cell position 1228aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * @param cellHSpan Width in cells 122931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellVSpan Height in cells 12306569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param resultRect Rect into which to put the results 123131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 12326569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy public void cellToRect(int cellX, int cellY, int cellHSpan, int cellVSpan, RectF resultRect) { 123331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellWidth = mCellWidth; 123431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellHeight = mCellHeight; 123531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int widthGap = mWidthGap; 123631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int heightGap = mHeightGap; 1237aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1238aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int hStartPadding = getLeftPadding(); 1239aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int vStartPadding = getTopPadding(); 1240aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 124131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int width = cellHSpan * cellWidth + ((cellHSpan - 1) * widthGap); 124231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int height = cellVSpan * cellHeight + ((cellVSpan - 1) * heightGap); 124331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 124431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int x = hStartPadding + cellX * (cellWidth + widthGap); 124531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int y = vStartPadding + cellY * (cellHeight + heightGap); 1246aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 12476569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy resultRect.set(x, y, x + width, y + height); 124831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1249aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 125031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 1251aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Computes the required horizontal and vertical cell spans to always 125231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * fit the given rectangle. 1253aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 125431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param width Width in pixels 125531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param height Height in pixels 12568f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy * @param result An array of length 2 in which to store the result (may be null). 125731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 12588f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy public int[] rectToCell(int width, int height, int[] result) { 12599987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka return rectToCell(getResources(), width, height, result); 12609987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka } 12619987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka 12629987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka public static int[] rectToCell(Resources resources, int width, int height, int[] result) { 126331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Always assume we're working with the smallest span to make sure we 126431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // reserve enough space in both orientations. 126579e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato int actualWidth = resources.getDimensionPixelSize(R.dimen.workspace_cell_width); 126679e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato int actualHeight = resources.getDimensionPixelSize(R.dimen.workspace_cell_height); 126731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int smallerSize = Math.min(actualWidth, actualHeight); 126879e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato 126931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Always round up to next largest cell 127031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanX = (width + smallerSize) / smallerSize; 127131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanY = (height + smallerSize) / smallerSize; 127279e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato 12738f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy if (result == null) { 12748f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy return new int[] { spanX, spanY }; 12758f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy } 12768f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[0] = spanX; 12778f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[1] = spanY; 12788f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy return result; 127931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 128031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 128131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 128231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Find the first vacant cell, if there is one. 128331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 128431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param vacant Holds the x and y coordinate of the vacant cell 128531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX Horizontal cell span. 128631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY Vertical cell span. 1287aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 128831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return True if a vacant cell was found 128931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 129031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean getVacantCell(int[] vacant, int spanX, int spanY) { 129131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 12920280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findVacantCell(vacant, spanX, spanY, mCountX, mCountY, mOccupied); 129331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 129431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 129531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project static boolean findVacantCell(int[] vacant, int spanX, int spanY, 129631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int xCount, int yCount, boolean[][] occupied) { 129731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 129831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int x = 0; x < xCount; x++) { 129931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int y = 0; y < yCount; y++) { 130031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean available = !occupied[x][y]; 130131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectout: for (int i = x; i < x + spanX - 1 && x < xCount; i++) { 130231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int j = y; j < y + spanY - 1 && y < yCount; j++) { 130331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project available = available && !occupied[i][j]; 130431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!available) break out; 130531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 130631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 130731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 130831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (available) { 130931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project vacant[0] = x; 131031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project vacant[1] = y; 131131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 131231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 131331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 131431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 131531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 131631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 131731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 131831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13196569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 13206569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * Update the array of occupied cells (mOccupied), and return a flattened copy of the array. 13216569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 13226569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy boolean[] getOccupiedCellsFlattened() { 1323d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int xCount = mCountX; 1324d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int yCount = mCountY; 132531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final boolean[][] occupied = mOccupied; 132631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 132731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final boolean[] flat = new boolean[xCount * yCount]; 132831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int y = 0; y < yCount; y++) { 132931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int x = 0; x < xCount; x++) { 133031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project flat[y * xCount + x] = occupied[x][y]; 133131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 133231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 133331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 133431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return flat; 133531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 133631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13370280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void clearOccupiedCells() { 13380280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = 0; x < mCountX; x++) { 13390280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = 0; y < mCountY; y++) { 13400280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied[x][y] = false; 134131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 134231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 13430280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 134431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13450280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void onMove(View view, int newCellX, int newCellY) { 13460280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 13470280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 13480280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsForView(newCellX, newCellY, lp.cellHSpan, lp.cellVSpan, true); 13490280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 135031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13510280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void markCellsAsOccupiedForView(View view) { 1352c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka if (view == null || view.getParent() != this) return; 13530280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 13540280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsForView(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, true); 13550280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 13560280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 13570280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void markCellsAsUnoccupiedForView(View view) { 1358c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka if (view == null || view.getParent() != this) return; 13590280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 13600280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsForView(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, false); 13610280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 13620280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 13630280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void markCellsForView(int cellX, int cellY, int spanX, int spanY, boolean value) { 13640280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = cellX; x < cellX + spanX && x < mCountX; x++) { 13650280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = cellY; y < cellY + spanY && y < mCountY; y++) { 13660280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied[x][y] = value; 136731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 136831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 136931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 137031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 137131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 137231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public ViewGroup.LayoutParams generateLayoutParams(AttributeSet attrs) { 137331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new CellLayout.LayoutParams(getContext(), attrs); 137431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 137531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 137631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 137731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected boolean checkLayoutParams(ViewGroup.LayoutParams p) { 137831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return p instanceof CellLayout.LayoutParams; 137931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 138031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 138131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 138231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected ViewGroup.LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) { 138331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new CellLayout.LayoutParams(p); 138431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 138531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1386aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public static class CellLayoutAnimationController extends LayoutAnimationController { 1387aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public CellLayoutAnimationController(Animation animation, float delay) { 1388aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung super(animation, delay); 1389aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1390aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1391aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung @Override 1392aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung protected long getDelayForView(View view) { 1393aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return (int) (Math.random() * 150); 1394aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1395aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1396aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 139731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static class LayoutParams extends ViewGroup.MarginLayoutParams { 139831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 139931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Horizontal location of the item in the grid. 140031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 140131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 140231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellX; 140331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 140431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 140531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Vertical location of the item in the grid. 140631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 140731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 140831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellY; 140931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 141031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 141131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Number of cells spanned horizontally by the item. 141231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 141331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 141431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellHSpan; 141531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 141631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 141731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Number of cells spanned vertically by the item. 141831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 141931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 142031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellVSpan; 1421aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 142231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 142331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Is this item currently being dragged 142431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 142531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean isDragging; 142631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 142731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // X coordinate of the view in the layout. 142831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 142931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int x; 143031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Y coordinate of the view in the layout. 143131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 143231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int y; 143331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 143484f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy boolean dropped; 1435fcb9e7144e58614f5ae0e9b272fb7ce040848c67Romain Guy 143631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(Context c, AttributeSet attrs) { 143731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(c, attrs); 143831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellHSpan = 1; 143931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellVSpan = 1; 144031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 144131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 144231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(ViewGroup.LayoutParams source) { 144331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(source); 144431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellHSpan = 1; 144531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellVSpan = 1; 144631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1447aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1448aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public LayoutParams(LayoutParams source) { 1449aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung super(source); 1450aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellX = source.cellX; 1451aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellY = source.cellY; 1452aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellHSpan = source.cellHSpan; 1453aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellVSpan = source.cellVSpan; 1454aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1455aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 145631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(int cellX, int cellY, int cellHSpan, int cellVSpan) { 14578f19cdd62f6e2be05e3890916eabd11317ae1bc2Romain Guy super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); 145831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellX = cellX; 145931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellY = cellY; 146031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellHSpan = cellHSpan; 146131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellVSpan = cellVSpan; 146231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 146331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 146431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void setup(int cellWidth, int cellHeight, int widthGap, int heightGap, 146531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int hStartPadding, int vStartPadding) { 1466aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 146731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellHSpan = cellHSpan; 146831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellVSpan = cellVSpan; 146931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellX = cellX; 147031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellY = cellY; 1471aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 147231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project width = myCellHSpan * cellWidth + ((myCellHSpan - 1) * widthGap) - 147331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project leftMargin - rightMargin; 147431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project height = myCellVSpan * cellHeight + ((myCellVSpan - 1) * heightGap) - 147531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project topMargin - bottomMargin; 147631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 147731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project x = hStartPadding + myCellX * (cellWidth + widthGap) + leftMargin; 147831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project y = vStartPadding + myCellY * (cellHeight + heightGap) + topMargin; 147931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1480aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1481aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public String toString() { 1482aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return "(" + this.cellX + ", " + this.cellY + ")"; 1483aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 148431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 148531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 14860280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // This class stores info for two purposes: 14870280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // 1. When dragging items (mDragInfo in Workspace), we store the View, its cellX & cellY, 14880280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // its spanX, spanY, and the screen it is on 14890280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // 2. When long clicking on an empty cell in a CellLayout, we save information about the 14900280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // cellX and cellY coordinates and which page was clicked. We then set this as a tag on 14910280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // the CellLayout that was long clicked 149231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project static final class CellInfo implements ContextMenu.ContextMenuInfo { 149331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View cell; 1494a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka int cellX = -1; 1495a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka int cellY = -1; 149631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanX; 149731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanY; 149831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screen; 149931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean valid; 150031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 150131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 150231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public String toString() { 1503aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return "Cell[view=" + (cell == null ? "null" : cell.getClass()) 1504aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung + ", x=" + cellX + ", y=" + cellY + "]"; 150531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 150631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 150731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project} 1508