CellLayout.java revision 472b281d5cb4f5660df981a6c912266b9f5703fe
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; 2300397b1d9233409d9d6b233b077ae12d09768ce8Chet Haaseimport android.animation.TimeInterpolator; 24de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.animation.ValueAnimator; 25de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.animation.ValueAnimator.AnimatorUpdateListener; 26aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.app.WallpaperManager; 2731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.Context; 2879e56263dbcbe85dc434df372bc6e6730aa13477Joe Onoratoimport android.content.res.Resources; 29aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.content.res.TypedArray; 304be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.graphics.Bitmap; 31aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.graphics.Canvas; 324be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.graphics.Paint; 33de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.graphics.Point; 34de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.graphics.PointF; 3531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Rect; 3631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.RectF; 376569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroyimport android.graphics.drawable.Drawable; 3831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.util.AttributeSet; 394be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.util.Log; 4031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ContextMenu; 4131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.MotionEvent; 4231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.View; 4331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewDebug; 4431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewGroup; 45aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.view.animation.Animation; 46150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chungimport android.view.animation.DecelerateInterpolator; 47aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.view.animation.LayoutAnimationController; 4831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 49f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohenpublic class CellLayout extends ViewGroup implements Dimmable { 50aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung static final String TAG = "CellLayout"; 51aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 5231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCellWidth; 5331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCellHeight; 54aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 55aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mLeftPadding; 56aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mRightPadding; 57aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mTopPadding; 58aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mBottomPadding; 59aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 60d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen private int mCountX; 61d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen private int mCountY; 6231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mWidthGap; 6431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mHeightGap; 6531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final Rect mRect = new Rect(); 678f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy private final RectF mRectF = new RectF(); 6831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final CellInfo mCellInfo = new CellInfo(); 69aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 70de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // These are temporary variables to prevent having to allocate a new object just to 71de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // return an (x, y) value from helper functions. Do NOT use them to maintain other state. 726569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy private final int[] mTmpCellXY = new int[2]; 73de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final int[] mTmpPoint = new int[2]; 74de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final PointF mTmpPointF = new PointF(); 756569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 7631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean[][] mOccupied; 7731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 78dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka private OnTouchListener mInterceptTouchListener; 79dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 805f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka private float mBackgroundAlpha; 81f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen 825f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka private Drawable mBackground; 83f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen private Drawable mBackgroundMini; 84f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen private Drawable mBackgroundMiniHover; 851262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy private Drawable mBackgroundHover; 863e7c7634531302271270c8cf418abc959d621cbcMichael Jurka private Drawable mBackgroundMiniAcceptsDrops; 873e7c7634531302271270c8cf418abc959d621cbcMichael Jurka private boolean mAcceptsDrops; 881262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy 891262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy // If we're actively dragging something over this screen, mHover is true 90a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka private boolean mHover = false; 91dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 92de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final Point mDragCenter = new Point(); 936569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 94150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung // These arrays are used to implement the drag visualization on x-large screens. 954be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // They are used as circular arrays, indexed by mDragOutlineCurrent. 964be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private Point[] mDragOutlines = new Point[8]; 97472b281d5cb4f5660df981a6c912266b9f5703feChet Haase private float[] mDragOutlineAlphas = new float[mDragOutlines.length]; 984be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private InterruptibleInOutAnimator[] mDragOutlineAnims = 994be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato new InterruptibleInOutAnimator[mDragOutlines.length]; 100150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 101150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung // Used as an index into the above 3 arrays; indicates which is the most current value. 1024be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private int mDragOutlineCurrent = 0; 103150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 104de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private Drawable mCrosshairsDrawable = null; 10549250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy private InterruptibleInOutAnimator mCrosshairsAnimator = null; 106de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private float mCrosshairsVisibility = 0.0f; 107de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 1086569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // When a drag operation is in progress, holds the nearest cell to the touch point 1096569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy private final int[] mDragCell = new int[2]; 11031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 111aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private final WallpaperManager mWallpaperManager; 11231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1134be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private boolean mDragging = false; 1144be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 11531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context) { 11631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, null); 11731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 11831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 11931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context, AttributeSet attrs) { 12031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, attrs, 0); 12131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 12231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 12331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context, AttributeSet attrs, int defStyle) { 12431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(context, attrs, defStyle); 1256569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1266569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // A ViewGroup usually does not draw, but CellLayout needs to draw a rectangle to show 1276569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // the user where a dragged item will land when dropped. 1286569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy setWillNotDraw(false); 129a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka 13031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CellLayout, defStyle, 0); 13131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellWidth = a.getDimensionPixelSize(R.styleable.CellLayout_cellWidth, 10); 13331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellHeight = a.getDimensionPixelSize(R.styleable.CellLayout_cellHeight, 10); 134aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 135d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mLeftPadding = 136d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_xAxisStartPadding, 10); 137d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mRightPadding = 138d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_xAxisEndPadding, 10); 139d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mTopPadding = 140d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_yAxisStartPadding, 10); 141d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mBottomPadding = 142d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_yAxisEndPadding, 10); 143aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 144d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mCountX = LauncherModel.getCellCountX(); 145d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mCountY = LauncherModel.getCellCountY(); 1460280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied = new boolean[mCountX][mCountY]; 14731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 14831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project a.recycle(); 14931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 15031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project setAlwaysDrawnWithCacheEnabled(false); 15131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 152de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mWallpaperManager = WallpaperManager.getInstance(context); 153de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 154046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final Resources res = getResources(); 155de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 156046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy if (LauncherApplication.isScreenXLarge()) { 157150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mBackgroundMini = res.getDrawable(R.drawable.mini_home_screen_bg); 158f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen mBackgroundMini.setFilterBitmap(true); 159150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mBackground = res.getDrawable(R.drawable.home_screen_bg); 160de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mBackground.setFilterBitmap(true); 161150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mBackgroundMiniHover = res.getDrawable(R.drawable.mini_home_screen_bg_hover); 162f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen mBackgroundMiniHover.setFilterBitmap(true); 1631262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy mBackgroundHover = res.getDrawable(R.drawable.home_screen_bg_hover); 1641262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy mBackgroundHover.setFilterBitmap(true); 1653e7c7634531302271270c8cf418abc959d621cbcMichael Jurka mBackgroundMiniAcceptsDrops = res.getDrawable( 1663e7c7634531302271270c8cf418abc959d621cbcMichael Jurka R.drawable.mini_home_screen_bg_accepts_drops); 1673e7c7634531302271270c8cf418abc959d621cbcMichael Jurka mBackgroundMiniAcceptsDrops.setFilterBitmap(true); 168046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy } 169de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 170046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Initialize the data structures used for the drag visualization. 171150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 172046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy mCrosshairsDrawable = res.getDrawable(R.drawable.gardening_crosshairs); 17300397b1d9233409d9d6b233b077ae12d09768ce8Chet Haase TimeInterpolator interp = new DecelerateInterpolator(2.5f); // Quint ease out 174de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 175046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Set up the animation for fading the crosshairs in and out 176046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy int animDuration = res.getInteger(R.integer.config_crosshairsFadeInTime); 17749250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy mCrosshairsAnimator = new InterruptibleInOutAnimator(animDuration, 0.0f, 1.0f); 178472b281d5cb4f5660df981a6c912266b9f5703feChet Haase mCrosshairsAnimator.getAnimator().addUpdateListener(new AnimatorUpdateListener() { 179046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy public void onAnimationUpdate(ValueAnimator animation) { 180046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy mCrosshairsVisibility = ((Float) animation.getAnimatedValue()).floatValue(); 181046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy CellLayout.this.invalidate(); 182046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy } 183046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy }); 184472b281d5cb4f5660df981a6c912266b9f5703feChet Haase mCrosshairsAnimator.getAnimator().setInterpolator(interp); 185046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy 1864be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlines.length; i++) { 1874be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragOutlines[i] = new Point(-1, -1); 188046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy } 189046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy 190046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // When dragging things around the home screens, we show a green outline of 191046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // where the item will land. The outlines gradually fade out, leaving a trail 192046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // behind the drag path. 193046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Set up all the animations that are used to implement this fading. 194046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final int duration = res.getInteger(R.integer.config_dragOutlineFadeTime); 195472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float fromAlphaValue = 0; 196472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float toAlphaValue = (float)res.getInteger(R.integer.config_dragOutlineMaxAlpha); 1974be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 1984be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlineAlphas.length; i++) { 1994be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragOutlineAlphas[i] = fromAlphaValue; 2004be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 2014be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 2024be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlineAnims.length; i++) { 203046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final InterruptibleInOutAnimator anim = 204046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy new InterruptibleInOutAnimator(duration, fromAlphaValue, toAlphaValue); 205472b281d5cb4f5660df981a6c912266b9f5703feChet Haase anim.getAnimator().setInterpolator(interp); 206046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final int thisIndex = i; 207472b281d5cb4f5660df981a6c912266b9f5703feChet Haase anim.getAnimator().addUpdateListener(new AnimatorUpdateListener() { 208de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy public void onAnimationUpdate(ValueAnimator animation) { 2094be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Bitmap outline = (Bitmap)anim.getTag(); 2104be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 2114be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // If an animation is started and then stopped very quickly, we can still 2124be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // get spurious updates we've cleared the tag. Guard against this. 2134be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (outline == null) { 214fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy if (false) { 215fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy Object val = animation.getAnimatedValue(); 216fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy Log.d(TAG, "anim " + thisIndex + " update: " + val + 217fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy ", isStopped " + anim.isStopped()); 218fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy } 219fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy 2204be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Try to prevent it from continuing to run 2214be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato animation.cancel(); 2224be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } else { 223472b281d5cb4f5660df981a6c912266b9f5703feChet Haase mDragOutlineAlphas[thisIndex] = (Float) animation.getAnimatedValue(); 2244be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int left = mDragOutlines[thisIndex].x; 2254be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int top = mDragOutlines[thisIndex].y; 2264be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato CellLayout.this.invalidate(left, top, 2274be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato left + outline.getWidth(), top + outline.getHeight()); 2284be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 229de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 230de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy }); 2314be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // The animation holds a reference to the drag outline bitmap as long is it's 2324be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // running. This way the bitmap can be GCed when the animations are complete. 233472b281d5cb4f5660df981a6c912266b9f5703feChet Haase anim.getAnimator().addListener(new AnimatorListenerAdapter() { 2344be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato public void onAnimationEnd(Animator animation) { 235472b281d5cb4f5660df981a6c912266b9f5703feChet Haase if ((Float) ((ValueAnimator) animation).getAnimatedValue() == 0f) { 2364be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato anim.setTag(null); 2374be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 2384be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 2394be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato }); 2404be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragOutlineAnims[i] = anim; 241de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 242a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy } 243a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy 244a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka public void setHover(boolean value) { 245a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka if (mHover != value) { 2463e7c7634531302271270c8cf418abc959d621cbcMichael Jurka mHover = value; 247a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka invalidate(); 248a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 249a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 250a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka 2511262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy public void drawChildren(Canvas canvas) { 2521262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy super.dispatchDraw(canvas); 2531262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy } 2541262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy 255a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy @Override 2561262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy protected void onDraw(Canvas canvas) { 2573e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // When we're large, we are either drawn in a "hover" state (ie when dragging an item to 2583e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // a neighboring page) or with just a normal background (if backgroundAlpha > 0.0f) 2593e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // When we're small, we are either drawn normally or in the "accepts drops" state (during 2603e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // a drag). However, we also drag the mini hover background *over* one of those two 2613e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // backgrounds 2625f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka if (mBackgroundAlpha > 0.0f) { 263f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen Drawable bg; 2641262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy if (getScaleX() < 0.5f) { 2653e7c7634531302271270c8cf418abc959d621cbcMichael Jurka bg = mAcceptsDrops ? mBackgroundMiniAcceptsDrops : mBackgroundMini; 266f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } else { 2671262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy bg = mHover ? mBackgroundHover : mBackground; 268f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 2699c4949e12c909d5e01d24386147b1c528015b31bAdam Cohen if (bg != null) { 2709c4949e12c909d5e01d24386147b1c528015b31bAdam Cohen bg.setAlpha((int) (mBackgroundAlpha * 255)); 2719c4949e12c909d5e01d24386147b1c528015b31bAdam Cohen bg.draw(canvas); 2729c4949e12c909d5e01d24386147b1c528015b31bAdam Cohen } 2733e7c7634531302271270c8cf418abc959d621cbcMichael Jurka if (mHover && getScaleX() < 0.5f) { 2743e7c7634531302271270c8cf418abc959d621cbcMichael Jurka mBackgroundMiniHover.setAlpha((int) (mBackgroundAlpha * 255)); 2753e7c7634531302271270c8cf418abc959d621cbcMichael Jurka mBackgroundMiniHover.draw(canvas); 2763e7c7634531302271270c8cf418abc959d621cbcMichael Jurka } 277a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 27831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 279de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (mCrosshairsVisibility > 0.0f) { 280de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countX = mCountX; 281de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countY = mCountY; 282de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 283de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final float MAX_ALPHA = 0.4f; 284de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int MAX_VISIBLE_DISTANCE = 600; 285de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final float DISTANCE_MULTIPLIER = 0.002f; 286de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 287de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final Drawable d = mCrosshairsDrawable; 288de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int width = d.getIntrinsicWidth(); 289de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int height = d.getIntrinsicHeight(); 290de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 291de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int x = getLeftPadding() - (mWidthGap / 2) - (width / 2); 292de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int col = 0; col <= countX; col++) { 293de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int y = getTopPadding() - (mHeightGap / 2) - (height / 2); 294de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int row = 0; row <= countY; row++) { 295de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mTmpPointF.set(x - mDragCenter.x, y - mDragCenter.y); 296de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy float dist = mTmpPointF.length(); 297de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // Crosshairs further from the drag point are more faint 298de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy float alpha = Math.min(MAX_ALPHA, 299de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy DISTANCE_MULTIPLIER * (MAX_VISIBLE_DISTANCE - dist)); 300de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (alpha > 0.0f) { 301de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.setBounds(x, y, x + width, y + height); 302de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.setAlpha((int) (alpha * 255 * mCrosshairsVisibility)); 303de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.draw(canvas); 304de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 305de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy y += mCellHeight + mHeightGap; 306de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 307de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy x += mCellWidth + mWidthGap; 308de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 3094be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 310150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 3114be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Paint paint = new Paint(); 3124be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlines.length; i++) { 313472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float alpha = mDragOutlineAlphas[i]; 3144be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (alpha > 0) { 3154be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Point p = mDragOutlines[i]; 3164be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Bitmap b = (Bitmap) mDragOutlineAnims[i].getTag(); 317472b281d5cb4f5660df981a6c912266b9f5703feChet Haase paint.setAlpha((int)(alpha + .5f)); 3184be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato canvas.drawBitmap(b, p.x, p.y, paint); 319150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung } 3206569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 3216569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 3226569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 323f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen public void setDimmableProgress(float progress) { 324f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen for (int i = 0; i < getChildCount(); i++) { 325f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen Dimmable d = (Dimmable) getChildAt(i); 326f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen d.setDimmableProgress(progress); 327f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 328f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 329f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen 330f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen public float getDimmableProgress() { 331f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen if (getChildCount() > 0) { 332f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen return ((Dimmable) getChildAt(0)).getDimmableProgress(); 333f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 334f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen return 0.0f; 335f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 336f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen 3376569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy @Override 33883f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey public void cancelLongPress() { 33983f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey super.cancelLongPress(); 34083f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey 34183f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey // Cancel long press for all children 34283f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey final int count = getChildCount(); 34383f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey for (int i = 0; i < count; i++) { 34483f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey final View child = getChildAt(i); 34583f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey child.cancelLongPress(); 34683f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey } 34783f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey } 34883f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey 349dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka public void setOnInterceptTouchListener(View.OnTouchListener listener) { 350dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka mInterceptTouchListener = listener; 351dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 352dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 35331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCountX() { 354d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen return mCountX; 35531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 35631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 35731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCountY() { 358d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen return mCountY; 35931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 36031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 361aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public boolean addViewToCellLayout(View child, int index, int childId, LayoutParams params) { 362aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final LayoutParams lp = params; 363aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 36431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Generate an id for each view, this assumes we have at most 256x256 cells 36531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // per workspace screen 366d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellX >= 0 && lp.cellX <= mCountX - 1 && lp.cellY >= 0 && lp.cellY <= mCountY - 1) { 367aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // If the horizontal or vertical span is set to -1, it is taken to 368aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // mean that it spans the extent of the CellLayout 369d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellHSpan < 0) lp.cellHSpan = mCountX; 370d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellVSpan < 0) lp.cellVSpan = mCountY; 371aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 372aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung child.setId(childId); 37331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 374dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka // We might be in the middle or end of shrinking/fading to a dimmed view 375dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka // Make sure this view's alpha is set the same as all the rest of the views 3765f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka child.setAlpha(getAlpha()); 377aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung addView(child, index, lp); 378dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 3790280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsOccupiedForView(child); 3800280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 381aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return true; 382aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 383aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return false; 38431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 3853e7c7634531302271270c8cf418abc959d621cbcMichael Jurka public void setAcceptsDrops(boolean acceptsDrops) { 3863e7c7634531302271270c8cf418abc959d621cbcMichael Jurka if (mAcceptsDrops != acceptsDrops) { 3873e7c7634531302271270c8cf418abc959d621cbcMichael Jurka mAcceptsDrops = acceptsDrops; 3883e7c7634531302271270c8cf418abc959d621cbcMichael Jurka invalidate(); 3893e7c7634531302271270c8cf418abc959d621cbcMichael Jurka } 3903e7c7634531302271270c8cf418abc959d621cbcMichael Jurka } 3913e7c7634531302271270c8cf418abc959d621cbcMichael Jurka 3923e7c7634531302271270c8cf418abc959d621cbcMichael Jurka public boolean getAcceptsDrops() { 3933e7c7634531302271270c8cf418abc959d621cbcMichael Jurka return mAcceptsDrops; 3943e7c7634531302271270c8cf418abc959d621cbcMichael Jurka } 39531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 39631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 3970280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeAllViews() { 3980280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka clearOccupiedCells(); 3990280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 4000280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 4010280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 4020280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeAllViewsInLayout() { 4030280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka clearOccupiedCells(); 4040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 4050280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 4060280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 4070280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeView(View view) { 4080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 4090280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeView(view); 4100280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 4110280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 4120280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 4130280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewAt(int index) { 4140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(getChildAt(index)); 4150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViewAt(index); 4160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 4170280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 4180280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 4190280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewInLayout(View view) { 4200280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 4210280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViewInLayout(view); 4220280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 4230280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 4240280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 4250280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViews(int start, int count) { 4260280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = start; i < start + count; i++) { 4270280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(getChildAt(i)); 4280280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 4290280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViews(start, count); 4300280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 4310280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 4320280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 4330280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewsInLayout(int start, int count) { 4340280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = start; i < start + count; i++) { 4350280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(getChildAt(i)); 4360280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 4370280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViewsInLayout(start, count); 4380280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 4390280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 4400280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 44131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void requestChildFocus(View child, View focused) { 44231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.requestChildFocus(child, focused); 44331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child != null) { 44431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Rect r = new Rect(); 44531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.getDrawingRect(r); 44631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project requestRectangleOnScreen(r); 44731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 44831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 44931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 45031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 45131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onAttachedToWindow() { 45231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onAttachedToWindow(); 45331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellInfo.screen = ((ViewGroup) getParent()).indexOfChild(this); 45431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 45531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 456af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka public void setTagToCellInfoForPoint(int touchX, int touchY) { 45731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellInfo cellInfo = mCellInfo; 458af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final Rect frame = mRect; 459af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int x = touchX + mScrollX; 460af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int y = touchY + mScrollY; 461af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int count = getChildCount(); 46231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 463af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka boolean found = false; 464af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka for (int i = count - 1; i >= 0; i--) { 465af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final View child = getChildAt(i); 466af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka 467af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if ((child.getVisibility()) == VISIBLE || child.getAnimation() != null) { 468af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka child.getHitRect(frame); 469af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (frame.contains(x, y)) { 470af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final LayoutParams lp = (LayoutParams) child.getLayoutParams(); 471af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cell = child; 472af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellX = lp.cellX; 473af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellY = lp.cellY; 474af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanX = lp.cellHSpan; 475af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanY = lp.cellVSpan; 476af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.valid = true; 477af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka found = true; 478af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka break; 47931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 48031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 481af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 482aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 483af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (!found) { 4846569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy final int cellXY[] = mTmpCellXY; 485af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka pointToCellExact(x, y, cellXY); 48631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 487af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cell = null; 488af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellX = cellXY[0]; 489af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellY = cellXY[1]; 490af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanX = 1; 491af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanY = 1; 4920280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellInfo.valid = cellXY[0] >= 0 && cellXY[1] >= 0 && cellXY[0] < mCountX && 4930280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[1] < mCountY && !mOccupied[cellXY[0]][cellXY[1]]; 494af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 495af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka setTag(cellInfo); 496af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 49731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 498aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 499af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka @Override 500af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka public boolean onInterceptTouchEvent(MotionEvent ev) { 501dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka if (mInterceptTouchListener != null && mInterceptTouchListener.onTouch(this, ev)) { 502dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka return true; 503dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 504af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int action = ev.getAction(); 505af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final CellInfo cellInfo = mCellInfo; 50631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 507af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (action == MotionEvent.ACTION_DOWN) { 508af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka setTagToCellInfoForPoint((int) ev.getX(), (int) ev.getY()); 50931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (action == MotionEvent.ACTION_UP) { 51031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.cell = null; 51131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.cellX = -1; 51231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.cellY = -1; 51331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.spanX = 0; 51431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.spanY = 0; 51531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.valid = false; 51631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project setTag(cellInfo); 51731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 51831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 51931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 52031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 52131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 52231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 52331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellInfo getTag() { 5240280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return (CellInfo) super.getTag(); 52531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 52631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 5276569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 5286569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * Check if the row 'y' is empty from columns 'left' to 'right', inclusive. 5296569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 53031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private static boolean isRowEmpty(int y, int left, int right, boolean[][] occupied) { 53131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int x = left; x <= right; x++) { 53231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (occupied[x][y]) { 53331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 53431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 53531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 53631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 53731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 53831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 53931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 540aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Given a point, return the cell that strictly encloses that point 54131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x X coordinate of the point 54231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y Y coordinate of the point 54331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the cell 54431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 54531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void pointToCellExact(int x, int y, int[] result) { 546aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int hStartPadding = getLeftPadding(); 547aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int vStartPadding = getTopPadding(); 54831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 54931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[0] = (x - hStartPadding) / (mCellWidth + mWidthGap); 55031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[1] = (y - vStartPadding) / (mCellHeight + mHeightGap); 55131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 552d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int xAxis = mCountX; 553d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int yAxis = mCountY; 55431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 55531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[0] < 0) result[0] = 0; 55631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[0] >= xAxis) result[0] = xAxis - 1; 55731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[1] < 0) result[1] = 0; 55831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[1] >= yAxis) result[1] = yAxis - 1; 55931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 560aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 56131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 56231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Given a point, return the cell that most closely encloses that point 56331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x X coordinate of the point 56431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y Y coordinate of the point 56531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the cell 56631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 56731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void pointToCellRounded(int x, int y, int[] result) { 56831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project pointToCellExact(x + (mCellWidth / 2), y + (mCellHeight / 2), result); 56931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 57031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 57131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 57231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Given a cell coordinate, return the point that represents the upper left corner of that cell 573aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 574aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * @param cellX X coordinate of the cell 57531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellY Y coordinate of the cell 576aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 57731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the point 57831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 57931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void cellToPoint(int cellX, int cellY, int[] result) { 580aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int hStartPadding = getLeftPadding(); 581aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int vStartPadding = getTopPadding(); 58231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 58331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[0] = hStartPadding + cellX * (mCellWidth + mWidthGap); 58431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[1] = vStartPadding + cellY * (mCellHeight + mHeightGap); 58531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 58631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 58784f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy int getCellWidth() { 58884f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy return mCellWidth; 58984f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 59084f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 59184f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy int getCellHeight() { 59284f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy return mCellHeight; 59384f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 59484f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 5951a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getLeftPadding() { 596aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mLeftPadding; 5971a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 5981a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 5991a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getTopPadding() { 600aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mTopPadding; 6011a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 6021a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 6031a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getRightPadding() { 604aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mRightPadding; 6051a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 6061a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 6071a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getBottomPadding() { 608aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mBottomPadding; 6091a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 6101a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 61131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 61231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 61331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // TODO: currently ignoring padding 614aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 61531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec); 616aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec); 617aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 61831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec); 61931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int heightSpecSize = MeasureSpec.getSize(heightMeasureSpec); 620aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 62131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (widthSpecMode == MeasureSpec.UNSPECIFIED || heightSpecMode == MeasureSpec.UNSPECIFIED) { 62231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new RuntimeException("CellLayout cannot have UNSPECIFIED dimensions"); 62331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 62431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 62531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellWidth = mCellWidth; 62631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellHeight = mCellHeight; 62731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 628d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen int numWidthGaps = mCountX - 1; 629d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen int numHeightGaps = mCountY - 1; 630d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen 6310280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int vSpaceLeft = heightSpecSize - mTopPadding - mBottomPadding - (cellHeight * mCountY); 632d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mHeightGap = vSpaceLeft / numHeightGaps; 633d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen 6340280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int hSpaceLeft = widthSpecSize - mLeftPadding - mRightPadding - (cellWidth * mCountX); 635d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mWidthGap = hSpaceLeft / numWidthGaps; 636aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 6375f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // center it around the min gaps 6385f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka int minGap = Math.min(mWidthGap, mHeightGap); 6395f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka mWidthGap = mHeightGap = minGap; 6405f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 64131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = getChildCount(); 64231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 64331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 64431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = getChildAt(i); 64531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LayoutParams lp = (LayoutParams) child.getLayoutParams(); 646aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung lp.setup(cellWidth, cellHeight, mWidthGap, mHeightGap, 647aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung mLeftPadding, mTopPadding); 648aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 6490280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int childWidthMeasureSpec = MeasureSpec.makeMeasureSpec(lp.width, MeasureSpec.EXACTLY); 650aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung int childheightMeasureSpec = MeasureSpec.makeMeasureSpec(lp.height, 651aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung MeasureSpec.EXACTLY); 65231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 65331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.measure(childWidthMeasureSpec, childheightMeasureSpec); 65431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 6555f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka if (widthSpecMode == MeasureSpec.AT_MOST) { 6565f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka int newWidth = mLeftPadding + mRightPadding + (mCountX * cellWidth) + 6575f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka ((mCountX - 1) * minGap); 6585f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka int newHeight = mTopPadding + mBottomPadding + (mCountY * cellHeight) + 6595f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka ((mCountY - 1) * minGap); 6605f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka setMeasuredDimension(newWidth, newHeight); 6615f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } else if (widthSpecMode == MeasureSpec.EXACTLY) { 6625f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka setMeasuredDimension(widthSpecSize, heightSpecSize); 6635f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } 66431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 66531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 66631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 66728750fba6a2d141eb9a1e566718c17236030b815Michael Jurka protected void onLayout(boolean changed, int l, int t, int r, int b) { 66831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = getChildCount(); 66931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 67031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 67131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = getChildAt(i); 67231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child.getVisibility() != GONE) { 67331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 67431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 67531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 67631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int childLeft = lp.x; 67731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int childTop = lp.y; 67831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.layout(childLeft, childTop, childLeft + lp.width, childTop + lp.height); 67984f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 68084f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy if (lp.dropped) { 68184f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy lp.dropped = false; 68284f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 6836569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy final int[] cellXY = mTmpCellXY; 68406762ab54d64e84328d427403bb6074dfd0f630cRomain Guy getLocationOnScreen(cellXY); 68584f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy mWallpaperManager.sendWallpaperCommand(getWindowToken(), "android.home.drop", 68606762ab54d64e84328d427403bb6074dfd0f630cRomain Guy cellXY[0] + childLeft + lp.width / 2, 68706762ab54d64e84328d427403bb6074dfd0f630cRomain Guy cellXY[1] + childTop + lp.height / 2, 0, null); 68884f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 68931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 69031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 69131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 69231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 69331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 694dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka protected void onSizeChanged(int w, int h, int oldw, int oldh) { 695dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka super.onSizeChanged(w, h, oldw, oldh); 6965f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka if (mBackground != null) { 6971262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy mBackground.setBounds(0, 0, w, h); 6981262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy } 6991262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy if (mBackgroundHover != null) { 7001262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy mBackgroundHover.setBounds(0, 0, w, h); 701a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 702f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen if (mBackgroundMiniHover != null) { 7031262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy mBackgroundMiniHover.setBounds(0, 0, w, h); 704f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 705f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen if (mBackgroundMini != null) { 7061262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy mBackgroundMini.setBounds(0, 0, w, h); 707a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 7083e7c7634531302271270c8cf418abc959d621cbcMichael Jurka if (mBackgroundMiniAcceptsDrops != null) { 7093e7c7634531302271270c8cf418abc959d621cbcMichael Jurka mBackgroundMiniAcceptsDrops.setBounds(0, 0, w, h); 7103e7c7634531302271270c8cf418abc959d621cbcMichael Jurka } 711dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 712dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 713dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka @Override 71431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void setChildrenDrawingCacheEnabled(boolean enabled) { 71531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 71631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 71731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View view = getChildAt(i); 71831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view.setDrawingCacheEnabled(enabled); 71931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Update the drawing caches 720fefa0ce22af9560f1c0f8c84c760c75f34b7b12cAdam Powell view.buildDrawingCache(true); 72131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 72231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 72331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 72431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 72531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void setChildrenDrawnWithCacheEnabled(boolean enabled) { 72631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.setChildrenDrawnWithCacheEnabled(enabled); 72731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 72831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7295f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public float getBackgroundAlpha() { 7305f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka return mBackgroundAlpha; 731dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 732dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 7335f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public void setBackgroundAlpha(float alpha) { 7345f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka mBackgroundAlpha = alpha; 7350142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka invalidate(); 736dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 737dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 7385f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // Need to return true to let the view system know we know how to handle alpha-- this is 7395f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // because when our children have an alpha of 0.0f, they are still rendering their "dimmed" 7405f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // versions 7415f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka @Override 7425f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka protected boolean onSetAlpha(int alpha) { 7435f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka return true; 7445f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } 7455f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 7465f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public void setAlpha(float alpha) { 7475f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka setChildrenAlpha(alpha); 7485f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka super.setAlpha(alpha); 7495f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } 7505f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 751dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka private void setChildrenAlpha(float alpha) { 7520142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka final int childCount = getChildCount(); 7530142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka for (int i = 0; i < childCount; i++) { 754dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka getChildAt(i).setAlpha(alpha); 755dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 756dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 757dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 7580280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private boolean isVacantIgnoring( 7590280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int originX, int originY, int spanX, int spanY, View ignoreView) { 7600280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (ignoreView != null) { 7610280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(ignoreView); 7620280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 76328750fba6a2d141eb9a1e566718c17236030b815Michael Jurka boolean isVacant = true; 7646569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy for (int i = 0; i < spanY; i++) { 7656569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (!isRowEmpty(originY + i, originX, originX + spanX - 1, mOccupied)) { 76628750fba6a2d141eb9a1e566718c17236030b815Michael Jurka isVacant = false; 76728750fba6a2d141eb9a1e566718c17236030b815Michael Jurka break; 7686569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 7696569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 7700280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (ignoreView != null) { 7710280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsOccupiedForView(ignoreView); 7720280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 77328750fba6a2d141eb9a1e566718c17236030b815Michael Jurka return isVacant; 7746569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 7756569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 7760280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private boolean isVacant(int originX, int originY, int spanX, int spanY) { 7770280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return isVacantIgnoring(originX, originY, spanX, spanY, null); 7780280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 7790280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 780440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy public View getChildAt(int x, int y) { 781440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy final int count = getChildCount(); 782440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy for (int i = 0; i < count; i++) { 783440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy View child = getChildAt(i); 784440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy LayoutParams lp = (LayoutParams) child.getLayoutParams(); 785440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy 786440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy if ((lp.cellX <= x) && (x < lp.cellX + lp.cellHSpan) && 787440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy (lp.cellY <= y) && (y < lp.cellY + lp.cellHSpan)) { 788440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy return child; 789440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy } 790440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy } 791440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy return null; 792440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy } 793440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy 7946569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 7958f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy * Estimate the size that a child with the given dimensions will take in the layout. 7968f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy */ 7978f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy void estimateChildSize(int minWidth, int minHeight, int[] result) { 7988f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy // Assuming it's placed at 0, 0, find where the bottom right cell will land 7998f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy rectToCell(minWidth, minHeight, result); 8008f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy 8018f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy // Then figure out the rect it will occupy 8028f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy cellToRect(0, 0, result[0], result[1], mRectF); 8038f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[0] = (int)mRectF.width(); 8048f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[1] = (int)mRectF.height(); 8058f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy } 8068f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy 8078f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy /** 8086569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * Estimate where the top left cell of the dragged item will land if it is dropped. 8096569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * 8106569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param originX The X value of the top left corner of the item 8116569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param originY The Y value of the top left corner of the item 8126569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param spanX The number of horizontal cells that the item spans 8136569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param spanY The number of vertical cells that the item spans 8146569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param result The estimated drop cell X and Y. 8156569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 8166569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy void estimateDropCell(int originX, int originY, int spanX, int spanY, int[] result) { 817d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int countX = mCountX; 818d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int countY = mCountY; 8196569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 820a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka // pointToCellRounded takes the top left of a cell but will pad that with 821a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka // cellWidth/2 and cellHeight/2 when finding the matching cell 822a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka pointToCellRounded(originX, originY, result); 8236569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 8246569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // If the item isn't fully on this screen, snap to the edges 8256569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy int rightOverhang = result[0] + spanX - countX; 8266569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (rightOverhang > 0) { 8276569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[0] -= rightOverhang; // Snap to right 8286569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 8296569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[0] = Math.max(0, result[0]); // Snap to left 8306569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy int bottomOverhang = result[1] + spanY - countY; 8316569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (bottomOverhang > 0) { 8326569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[1] -= bottomOverhang; // Snap to bottom 8336569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 8346569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[1] = Math.max(0, result[1]); // Snap to top 8356569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 8366569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 8374be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato void visualizeDropLocation( 8384be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato View v, Bitmap dragOutline, int originX, int originY, int spanX, int spanY) { 8394be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 8404be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int[] nearest = findNearestVacantArea(originX, originY, spanX, spanY, v, mDragCell); 8414be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragCenter.set(originX + (v.getWidth() / 2), originY + (v.getHeight() / 2)); 8426569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 843de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (nearest != null) { 8446569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // Find the top left corner of the rect the object will occupy 845de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int[] topLeft = mTmpPoint; 846de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy cellToPoint(nearest[0], nearest[1], topLeft); 847de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 8484be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato int left = topLeft[0]; 8494be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato int top = topLeft[1]; 8506569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 8514be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (v.getParent() instanceof CellLayout) { 8524be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato LayoutParams lp = (LayoutParams) v.getLayoutParams(); 8534be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato left += lp.leftMargin; 8544be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato top += lp.topMargin; 8554be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 856150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 8574be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Offsets due to the size difference between the View and the dragOutline 8584be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato left += (v.getWidth() - dragOutline.getWidth()) / 2; 8594be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato top += (v.getHeight() - dragOutline.getHeight()) / 2; 860150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 8614be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int oldIndex = mDragOutlineCurrent; 8624be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Point lastPoint = mDragOutlines[oldIndex]; 8634be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (lastPoint.x != left || lastPoint.y != top) { 8644be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragOutlineCurrent = (oldIndex + 1) % mDragOutlines.length; 865150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 8664be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragOutlines[mDragOutlineCurrent].set(left, top); 867150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 8684be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragOutlineAnims[oldIndex].animateOut(); 8694be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragOutlineAnims[mDragOutlineCurrent].setTag(dragOutline); 8704be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragOutlineAnims[mDragOutlineCurrent].animateIn(); 871150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung } 8726569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 87349250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy 87449250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy // If we are drawing crosshairs, the entire CellLayout needs to be invalidated 87549250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy if (mCrosshairsDrawable != null) { 87649250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy invalidate(); 87749250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy } 8786569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 8796569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 88031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 88170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Find a vacant area that will fit the given bounds nearest the requested 88270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * cell location. Uses Euclidean distance to score multiple vacant areas. 883aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 88451afc022fa76c79f0d1ece470ddc126c08fea8a4Romain Guy * @param pixelX The X location at which you want to search for a vacant area. 88551afc022fa76c79f0d1ece470ddc126c08fea8a4Romain Guy * @param pixelY The Y location at which you want to search for a vacant area. 88670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @param spanX Horizontal span of the object. 88770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @param spanY Vertical span of the object. 888de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * @param result Array in which to place the result, or null (in which case a new array will 889de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * be allocated) 89070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @return The X, Y cell of a vacant area that can contain this object, 89170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * nearest the requested location. 89231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 8936a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka int[] findNearestVacantArea( 894de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int pixelX, int pixelY, int spanX, int spanY, int[] result) { 895de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy return findNearestVacantArea(pixelX, pixelY, spanX, spanY, null, result); 8966a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka } 897aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 8986a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka /** 8996a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * Find a vacant area that will fit the given bounds nearest the requested 9006a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * cell location. Uses Euclidean distance to score multiple vacant areas. 9016a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * 9026a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param pixelX The X location at which you want to search for a vacant area. 9036a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param pixelY The Y location at which you want to search for a vacant area. 9046a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param spanX Horizontal span of the object. 9056a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param spanY Vertical span of the object. 9066a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param ignoreView Considers space occupied by this view as unoccupied 907de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * @param result Previously returned value to possibly recycle. 9086a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @return The X, Y cell of a vacant area that can contain this object, 9096a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * nearest the requested location. 9106a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka */ 9116a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka int[] findNearestVacantArea( 912de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int pixelX, int pixelY, int spanX, int spanY, View ignoreView, int[] result) { 913c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // mark space take by ignoreView as available (method checks if ignoreView is null) 914c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsUnoccupiedForView(ignoreView); 915c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka 91670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Keep track of best-scoring drop area 917de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int[] bestXY = result != null ? result : new int[2]; 91870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey double bestDistance = Double.MAX_VALUE; 919aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 920de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countX = mCountX; 921de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countY = mCountY; 922de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final boolean[][] occupied = mOccupied; 923de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 924de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int x = 0; x < countX - (spanX - 1); x++) { 925c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka inner: 926de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int y = 0; y < countY - (spanY - 1); y++) { 927c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka for (int i = 0; i < spanX; i++) { 928c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka for (int j = 0; j < spanY; j++) { 929de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (occupied[x + i][y + j]) { 930c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka // small optimization: we can skip to below the row we just found 931c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka // an occupied cell 932c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka y += j; 933c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka continue inner; 934c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 935c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 936c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 937c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka final int[] cellXY = mTmpCellXY; 938c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka cellToPoint(x, y, cellXY); 939c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka 940c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka double distance = Math.sqrt(Math.pow(cellXY[0] - pixelX, 2) 941c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka + Math.pow(cellXY[1] - pixelY, 2)); 942c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka if (distance <= bestDistance) { 943c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestDistance = distance; 944c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestXY[0] = x; 945c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestXY[1] = y; 946c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 94731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 94831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 949c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // re-mark space taken by ignoreView as occupied 950c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsOccupiedForView(ignoreView); 95131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 952aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // Return null if no suitable location found 95370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey if (bestDistance < Double.MAX_VALUE) { 95470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return bestXY; 95570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } else { 95670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return null; 95770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 95831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 959aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 9600280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean existsEmptyCell() { 9610280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpan(null, 1, 1); 9620280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 9630280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 9640280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 9650280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Finds the upper-left coordinate of the first rectangle in the grid that can 9660280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * hold a cell of the specified dimensions. If intersectX and intersectY are not -1, 9670280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * then this method will only return coordinates for rectangles that contain the cell 9680280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * (intersectX, intersectY) 9690280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 9700280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param cellXY The array that will contain the position of a vacant cell if such a cell 9710280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * can be found. 9720280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 9730280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 9740280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 9750280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return True if a vacant cell of the specified dimension was found, false otherwise. 9760280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 9770280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpan(int[] cellXY, int spanX, int spanY) { 9780280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring(cellXY, spanX, spanY, -1, -1, null); 9790280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 9800280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 9810280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 9820280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Like above, but ignores any cells occupied by the item "ignoreView" 9830280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 9840280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param cellXY The array that will contain the position of a vacant cell if such a cell 9850280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * can be found. 9860280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 9870280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 9880280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param ignoreView The home screen item we should treat as not occupying any space 9890280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return 9900280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 9910280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanIgnoring(int[] cellXY, int spanX, int spanY, View ignoreView) { 9920280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring(cellXY, spanX, spanY, -1, -1, ignoreView); 9930280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 9940280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 9950280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 9960280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Like above, but if intersectX and intersectY are not -1, then this method will try to 9970280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * return coordinates for rectangles that contain the cell [intersectX, intersectY] 9980280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 9990280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 10000280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 10010280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param ignoreView The home screen item we should treat as not occupying any space 10020280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param intersectX The X coordinate of the cell that we should try to overlap 10030280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param intersectX The Y coordinate of the cell that we should try to overlap 10040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 10050280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return True if a vacant cell of the specified dimension was found, false otherwise. 10060280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 10070280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanThatIntersects(int[] cellXY, int spanX, int spanY, 10080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int intersectX, int intersectY) { 10090280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring( 10100280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY, spanX, spanY, intersectX, intersectY, null); 10110280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10120280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 10130280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 10140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * The superset of the above two methods 10150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 10160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanThatIntersectsIgnoring(int[] cellXY, int spanX, int spanY, 10170280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int intersectX, int intersectY, View ignoreView) { 1018c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // mark space take by ignoreView as available (method checks if ignoreView is null) 1019c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsUnoccupiedForView(ignoreView); 10200280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 102128750fba6a2d141eb9a1e566718c17236030b815Michael Jurka boolean foundCell = false; 10220280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka while (true) { 10230280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int startX = 0; 10240280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX >= 0) { 10250280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka startX = Math.max(startX, intersectX - (spanX - 1)); 10260280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10270280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int endX = mCountX - (spanX - 1); 10280280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX >= 0) { 10290280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka endX = Math.min(endX, intersectX + (spanX - 1) + (spanX == 1 ? 1 : 0)); 10300280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10310280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int startY = 0; 10320280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectY >= 0) { 10330280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka startY = Math.max(startY, intersectY - (spanY - 1)); 10340280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10350280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int endY = mCountY - (spanY - 1); 10360280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectY >= 0) { 10370280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka endY = Math.min(endY, intersectY + (spanY - 1) + (spanY == 1 ? 1 : 0)); 10380280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10390280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 10400280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = startX; x < endX; x++) { 10410280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka inner: 10420280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = startY; y < endY; y++) { 10430280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = 0; i < spanX; i++) { 10440280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int j = 0; j < spanY; j++) { 10450280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (mOccupied[x + i][y + j]) { 10460280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // small optimization: we can skip to below the row we just found 10470280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // an occupied cell 10480280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka y += j; 10490280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka continue inner; 10500280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10510280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10520280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10530280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (cellXY != null) { 10540280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[0] = x; 10550280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[1] = y; 10560280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 105728750fba6a2d141eb9a1e566718c17236030b815Michael Jurka foundCell = true; 105828750fba6a2d141eb9a1e566718c17236030b815Michael Jurka break; 10590280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10600280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10610280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX == -1 && intersectY == -1) { 10620280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka break; 10630280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } else { 10640280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // if we failed to find anything, try again but without any requirements of 10650280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // intersecting 10660280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka intersectX = -1; 10670280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka intersectY = -1; 10680280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka continue; 10690280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10700280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10710280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 1072c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // re-mark space taken by ignoreView as occupied 1073c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsOccupiedForView(ignoreView); 107428750fba6a2d141eb9a1e566718c17236030b815Michael Jurka return foundCell; 10750280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10760280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 107731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 10780280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Called when drag has left this CellLayout or has been completed (successfully or not) 10796569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 10800280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka void onDragExit() { 10814be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // This can actually be called when we aren't in a drag, e.g. when adding a new 10824be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // item to this layout via the customize drawer. 10834be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Guard against that case. 10844be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (mDragging) { 10854be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragging = false; 10866569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 10874be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Invalidate the drag data 10884be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragCell[0] = -1; 10894be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragCell[1] = -1; 1090de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 10914be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato setHover(false); 1092150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 10934be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Fade out the drag indicators 10944be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (mCrosshairsAnimator != null) { 10954be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mCrosshairsAnimator.animateOut(); 10964be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 10974be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 10984be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int prev = mDragOutlineCurrent; 10994be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragOutlineAnims[prev].animateOut(); 11004be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragOutlineCurrent = (prev + 1) % mDragOutlines.length; 11014be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragOutlines[mDragOutlineCurrent].set(-1, -1); 11024be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragOutlineAlphas[mDragOutlineCurrent] = 0; 11034be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 11046569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 11056569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 11066569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 1107aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Mark a child as having been dropped. 1108de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * At the beginning of the drag operation, the child may have been on another 1109de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * screen, but it is reparented before this method is called. 111031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 111131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child that is being dropped 111231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 1113aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung void onDropChild(View child) { 1114d94533d04a5f8f5485f106d10af60169857ea899Romain Guy if (child != null) { 1115d94533d04a5f8f5485f106d10af60169857ea899Romain Guy LayoutParams lp = (LayoutParams) child.getLayoutParams(); 1116d94533d04a5f8f5485f106d10af60169857ea899Romain Guy lp.isDragging = false; 111784f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy lp.dropped = true; 1118d94533d04a5f8f5485f106d10af60169857ea899Romain Guy child.requestLayout(); 1119d94533d04a5f8f5485f106d10af60169857ea899Romain Guy } 11200280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka onDragExit(); 112131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 112231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 112331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void onDropAborted(View child) { 112431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child != null) { 112531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ((LayoutParams) child.getLayoutParams()).isDragging = false; 112631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 11270280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka onDragExit(); 112831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 112931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 113031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 113131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Start dragging the specified child 1132aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 113331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child that is being dragged 113431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 113531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void onDragChild(View child) { 113631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LayoutParams lp = (LayoutParams) child.getLayoutParams(); 113731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.isDragging = true; 1138de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 1139de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 1140de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy /** 1141de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * A drag event has begun over this layout. 1142de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * It may have begun over this layout (in which case onDragChild is called first), 1143de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * or it may have begun on another layout. 1144de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy */ 1145de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy void onDragEnter(View dragView) { 1146fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy if (!mDragging) { 11474be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato// Log.d(TAG, "Received onDragEnter while drag still active"); 1148fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy // Fade in the drag indicators 1149fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy if (mCrosshairsAnimator != null) { 1150fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy mCrosshairsAnimator.animateIn(); 1151fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy } 11524be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 11534be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragging = true; 115431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1155aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 115631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 115731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Computes a bounding rectangle for a range of cells 1158aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 115931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellX X coordinate of upper left corner expressed as a cell position 116031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellY Y coordinate of upper left corner expressed as a cell position 1161aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * @param cellHSpan Width in cells 116231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellVSpan Height in cells 11636569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param resultRect Rect into which to put the results 116431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 11656569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy public void cellToRect(int cellX, int cellY, int cellHSpan, int cellVSpan, RectF resultRect) { 116631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellWidth = mCellWidth; 116731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellHeight = mCellHeight; 116831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int widthGap = mWidthGap; 116931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int heightGap = mHeightGap; 1170aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1171aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int hStartPadding = getLeftPadding(); 1172aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int vStartPadding = getTopPadding(); 1173aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 117431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int width = cellHSpan * cellWidth + ((cellHSpan - 1) * widthGap); 117531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int height = cellVSpan * cellHeight + ((cellVSpan - 1) * heightGap); 117631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 117731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int x = hStartPadding + cellX * (cellWidth + widthGap); 117831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int y = vStartPadding + cellY * (cellHeight + heightGap); 1179aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 11806569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy resultRect.set(x, y, x + width, y + height); 118131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1182aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 118331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 1184aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Computes the required horizontal and vertical cell spans to always 118531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * fit the given rectangle. 1186aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 118731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param width Width in pixels 118831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param height Height in pixels 11898f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy * @param result An array of length 2 in which to store the result (may be null). 119031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 11918f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy public int[] rectToCell(int width, int height, int[] result) { 11929987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka return rectToCell(getResources(), width, height, result); 11939987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka } 11949987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka 11959987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka public static int[] rectToCell(Resources resources, int width, int height, int[] result) { 119631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Always assume we're working with the smallest span to make sure we 119731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // reserve enough space in both orientations. 119879e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato int actualWidth = resources.getDimensionPixelSize(R.dimen.workspace_cell_width); 119979e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato int actualHeight = resources.getDimensionPixelSize(R.dimen.workspace_cell_height); 120031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int smallerSize = Math.min(actualWidth, actualHeight); 120179e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato 120231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Always round up to next largest cell 120331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanX = (width + smallerSize) / smallerSize; 120431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanY = (height + smallerSize) / smallerSize; 120579e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato 12068f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy if (result == null) { 12078f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy return new int[] { spanX, spanY }; 12088f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy } 12098f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[0] = spanX; 12108f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[1] = spanY; 12118f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy return result; 121231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 121331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 121431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 121531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Find the first vacant cell, if there is one. 121631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 121731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param vacant Holds the x and y coordinate of the vacant cell 121831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX Horizontal cell span. 121931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY Vertical cell span. 1220aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 122131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return True if a vacant cell was found 122231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 122331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean getVacantCell(int[] vacant, int spanX, int spanY) { 122431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 12250280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findVacantCell(vacant, spanX, spanY, mCountX, mCountY, mOccupied); 122631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 122731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 122831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project static boolean findVacantCell(int[] vacant, int spanX, int spanY, 122931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int xCount, int yCount, boolean[][] occupied) { 123031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 123131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int x = 0; x < xCount; x++) { 123231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int y = 0; y < yCount; y++) { 123331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean available = !occupied[x][y]; 123431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectout: for (int i = x; i < x + spanX - 1 && x < xCount; i++) { 123531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int j = y; j < y + spanY - 1 && y < yCount; j++) { 123631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project available = available && !occupied[i][j]; 123731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!available) break out; 123831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 123931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 124031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 124131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (available) { 124231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project vacant[0] = x; 124331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project vacant[1] = y; 124431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 124531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 124631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 124731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 124831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 124931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 125031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 125131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 12526569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 12536569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * Update the array of occupied cells (mOccupied), and return a flattened copy of the array. 12546569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 12556569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy boolean[] getOccupiedCellsFlattened() { 1256d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int xCount = mCountX; 1257d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int yCount = mCountY; 125831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final boolean[][] occupied = mOccupied; 125931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 126031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final boolean[] flat = new boolean[xCount * yCount]; 126131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int y = 0; y < yCount; y++) { 126231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int x = 0; x < xCount; x++) { 126331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project flat[y * xCount + x] = occupied[x][y]; 126431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 126531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 126631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 126731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return flat; 126831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 126931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 12700280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void clearOccupiedCells() { 12710280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = 0; x < mCountX; x++) { 12720280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = 0; y < mCountY; y++) { 12730280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied[x][y] = false; 127431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 127531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 12760280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 127731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 12780280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void onMove(View view, int newCellX, int newCellY) { 12790280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 12800280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 12810280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsForView(newCellX, newCellY, lp.cellHSpan, lp.cellVSpan, true); 12820280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 128331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 12840280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void markCellsAsOccupiedForView(View view) { 1285c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka if (view == null || view.getParent() != this) return; 12860280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 12870280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsForView(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, true); 12880280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 12890280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 12900280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void markCellsAsUnoccupiedForView(View view) { 1291c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka if (view == null || view.getParent() != this) return; 12920280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 12930280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsForView(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, false); 12940280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 12950280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 12960280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void markCellsForView(int cellX, int cellY, int spanX, int spanY, boolean value) { 12970280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = cellX; x < cellX + spanX && x < mCountX; x++) { 12980280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = cellY; y < cellY + spanY && y < mCountY; y++) { 12990280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied[x][y] = value; 130031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 130131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 130231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 130331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 130431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 130531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public ViewGroup.LayoutParams generateLayoutParams(AttributeSet attrs) { 130631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new CellLayout.LayoutParams(getContext(), attrs); 130731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 130831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 130931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 131031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected boolean checkLayoutParams(ViewGroup.LayoutParams p) { 131131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return p instanceof CellLayout.LayoutParams; 131231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 131331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 131431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 131531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected ViewGroup.LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) { 131631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new CellLayout.LayoutParams(p); 131731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 131831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1319aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public static class CellLayoutAnimationController extends LayoutAnimationController { 1320aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public CellLayoutAnimationController(Animation animation, float delay) { 1321aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung super(animation, delay); 1322aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1323aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1324aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung @Override 1325aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung protected long getDelayForView(View view) { 1326aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return (int) (Math.random() * 150); 1327aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1328aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1329aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 133031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static class LayoutParams extends ViewGroup.MarginLayoutParams { 133131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 133231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Horizontal location of the item in the grid. 133331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 133431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 133531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellX; 133631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 133731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 133831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Vertical location of the item in the grid. 133931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 134031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 134131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellY; 134231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 134331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 134431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Number of cells spanned horizontally by the item. 134531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 134631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 134731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellHSpan; 134831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 134931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 135031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Number of cells spanned vertically by the item. 135131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 135231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 135331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellVSpan; 1354aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 135531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 135631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Is this item currently being dragged 135731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 135831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean isDragging; 135931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 136031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // X coordinate of the view in the layout. 136131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 136231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int x; 136331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Y coordinate of the view in the layout. 136431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 136531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int y; 136631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 136784f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy boolean dropped; 1368fcb9e7144e58614f5ae0e9b272fb7ce040848c67Romain Guy 136931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(Context c, AttributeSet attrs) { 137031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(c, attrs); 137131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellHSpan = 1; 137231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellVSpan = 1; 137331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 137431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 137531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(ViewGroup.LayoutParams source) { 137631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(source); 137731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellHSpan = 1; 137831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellVSpan = 1; 137931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1380aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1381aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public LayoutParams(LayoutParams source) { 1382aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung super(source); 1383aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellX = source.cellX; 1384aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellY = source.cellY; 1385aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellHSpan = source.cellHSpan; 1386aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellVSpan = source.cellVSpan; 1387aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1388aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 138931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(int cellX, int cellY, int cellHSpan, int cellVSpan) { 13908f19cdd62f6e2be05e3890916eabd11317ae1bc2Romain Guy super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); 139131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellX = cellX; 139231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellY = cellY; 139331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellHSpan = cellHSpan; 139431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellVSpan = cellVSpan; 139531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 139631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 139731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void setup(int cellWidth, int cellHeight, int widthGap, int heightGap, 139831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int hStartPadding, int vStartPadding) { 1399aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 140031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellHSpan = cellHSpan; 140131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellVSpan = cellVSpan; 140231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellX = cellX; 140331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellY = cellY; 1404aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 140531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project width = myCellHSpan * cellWidth + ((myCellHSpan - 1) * widthGap) - 140631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project leftMargin - rightMargin; 140731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project height = myCellVSpan * cellHeight + ((myCellVSpan - 1) * heightGap) - 140831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project topMargin - bottomMargin; 140931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 141031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project x = hStartPadding + myCellX * (cellWidth + widthGap) + leftMargin; 141131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project y = vStartPadding + myCellY * (cellHeight + heightGap) + topMargin; 141231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1413aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1414aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public String toString() { 1415aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return "(" + this.cellX + ", " + this.cellY + ")"; 1416aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 141731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 141831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 14190280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // This class stores info for two purposes: 14200280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // 1. When dragging items (mDragInfo in Workspace), we store the View, its cellX & cellY, 14210280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // its spanX, spanY, and the screen it is on 14220280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // 2. When long clicking on an empty cell in a CellLayout, we save information about the 14230280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // cellX and cellY coordinates and which page was clicked. We then set this as a tag on 14240280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // the CellLayout that was long clicked 142531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project static final class CellInfo implements ContextMenu.ContextMenuInfo { 142631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View cell; 1427a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka int cellX = -1; 1428a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka int cellY = -1; 142931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanX; 143031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanY; 143131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screen; 143231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean valid; 143331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 143431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 143531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public String toString() { 1436aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return "Cell[view=" + (cell == null ? "null" : cell.getClass()) 1437aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung + ", x=" + cellX + ", y=" + cellY + "]"; 143831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 143931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 144031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project} 1441