CellLayout.java revision a9abd0e0bdedb5cbbd12b84cb83037a735e79a20
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 19a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chungimport java.util.Arrays; 20aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 214be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.animation.Animator; 224be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.animation.AnimatorListenerAdapter; 2318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurkaimport android.animation.AnimatorSet; 2418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurkaimport android.animation.ObjectAnimator; 2500397b1d9233409d9d6b233b077ae12d09768ce8Chet Haaseimport android.animation.TimeInterpolator; 26de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.animation.ValueAnimator; 27de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.animation.ValueAnimator.AnimatorUpdateListener; 28aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.app.WallpaperManager; 29a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chungimport android.content.ClipDescription; 3031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.Context; 3179e56263dbcbe85dc434df372bc6e6730aa13477Joe Onoratoimport android.content.res.Resources; 32aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.content.res.TypedArray; 334be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.graphics.Bitmap; 34aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.graphics.Canvas; 354be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.graphics.Paint; 36de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.graphics.Point; 37de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.graphics.PointF; 3831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Rect; 3931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.RectF; 4018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurkaimport android.graphics.Region; 416569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroyimport android.graphics.drawable.Drawable; 4231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.util.AttributeSet; 434be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.util.Log; 4431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ContextMenu; 45a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chungimport android.view.DragEvent; 4631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.MotionEvent; 4731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.View; 4831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewDebug; 4931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewGroup; 50aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.view.animation.Animation; 51150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chungimport android.view.animation.DecelerateInterpolator; 52aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.view.animation.LayoutAnimationController; 5331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 54a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chungimport com.android.launcher.R; 558e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy 56f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohenpublic class CellLayout extends ViewGroup implements Dimmable { 57aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung static final String TAG = "CellLayout"; 58aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 5931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCellWidth; 6031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCellHeight; 61aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 62aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mLeftPadding; 63aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mRightPadding; 64aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mTopPadding; 65aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mBottomPadding; 66aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 67d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen private int mCountX; 68d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen private int mCountY; 6931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mWidthGap; 7131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mHeightGap; 7231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final Rect mRect = new Rect(); 748f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy private final RectF mRectF = new RectF(); 7531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final CellInfo mCellInfo = new CellInfo(); 76aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 77de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // These are temporary variables to prevent having to allocate a new object just to 78de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // return an (x, y) value from helper functions. Do NOT use them to maintain other state. 796569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy private final int[] mTmpCellXY = new int[2]; 80de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final int[] mTmpPoint = new int[2]; 81de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final PointF mTmpPointF = new PointF(); 826569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 8331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean[][] mOccupied; 8431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 85dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka private OnTouchListener mInterceptTouchListener; 86dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 875f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka private float mBackgroundAlpha; 88f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen 895f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka private Drawable mBackground; 90f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen private Drawable mBackgroundMini; 91f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen private Drawable mBackgroundMiniHover; 921262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy private Drawable mBackgroundHover; 933e7c7634531302271270c8cf418abc959d621cbcMichael Jurka private Drawable mBackgroundMiniAcceptsDrops; 9418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka private Rect mBackgroundRect; 9518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka private Rect mHoverRect; 9618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka private float mHoverScale; 9718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka private float mHoverAlpha; 983e7c7634531302271270c8cf418abc959d621cbcMichael Jurka private boolean mAcceptsDrops; 991262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy 1001262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy // If we're actively dragging something over this screen, mHover is true 101a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka private boolean mHover = false; 102dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 103de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final Point mDragCenter = new Point(); 1046569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 105150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung // These arrays are used to implement the drag visualization on x-large screens. 1064be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // They are used as circular arrays, indexed by mDragOutlineCurrent. 1074be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private Point[] mDragOutlines = new Point[8]; 108472b281d5cb4f5660df981a6c912266b9f5703feChet Haase private float[] mDragOutlineAlphas = new float[mDragOutlines.length]; 1094be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private InterruptibleInOutAnimator[] mDragOutlineAnims = 1104be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato new InterruptibleInOutAnimator[mDragOutlines.length]; 111150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 112150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung // Used as an index into the above 3 arrays; indicates which is the most current value. 1134be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private int mDragOutlineCurrent = 0; 1148e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy private final Paint mDragOutlinePaint = new Paint(); 115150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 116de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private Drawable mCrosshairsDrawable = null; 11749250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy private InterruptibleInOutAnimator mCrosshairsAnimator = null; 118de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private float mCrosshairsVisibility = 0.0f; 119de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 1206569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // When a drag operation is in progress, holds the nearest cell to the touch point 1216569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy private final int[] mDragCell = new int[2]; 12231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 123aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private final WallpaperManager mWallpaperManager; 12431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1254be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private boolean mDragging = false; 1264be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 127a944215d364c178c9b0b8f5bdcce16e1f10c552dPatrick Dubroy private ValueAnimator mDropAnim; 128ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy private TimeInterpolator mEaseOutInterpolator; 129ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 13031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context) { 13131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, null); 13231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 13331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context, AttributeSet attrs) { 13531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, attrs, 0); 13631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 13731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context, AttributeSet attrs, int defStyle) { 13931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(context, attrs, defStyle); 1406569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1416569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // A ViewGroup usually does not draw, but CellLayout needs to draw a rectangle to show 1426569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // the user where a dragged item will land when dropped. 1436569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy setWillNotDraw(false); 144a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka 14531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CellLayout, defStyle, 0); 14631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 14731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellWidth = a.getDimensionPixelSize(R.styleable.CellLayout_cellWidth, 10); 14831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellHeight = a.getDimensionPixelSize(R.styleable.CellLayout_cellHeight, 10); 149ece7f5b3b55cab646941123e03589241a61678e2Winson Chung mWidthGap = a.getDimensionPixelSize(R.styleable.CellLayout_widthGap, -1); 150ece7f5b3b55cab646941123e03589241a61678e2Winson Chung mHeightGap = a.getDimensionPixelSize(R.styleable.CellLayout_heightGap, -1); 151aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 152d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mLeftPadding = 153d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_xAxisStartPadding, 10); 154d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mRightPadding = 155d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_xAxisEndPadding, 10); 156d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mTopPadding = 157d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_yAxisStartPadding, 10); 158d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mBottomPadding = 159d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_yAxisEndPadding, 10); 160aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 161d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mCountX = LauncherModel.getCellCountX(); 162d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mCountY = LauncherModel.getCellCountY(); 1630280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied = new boolean[mCountX][mCountY]; 16431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 16531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project a.recycle(); 16631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 16731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project setAlwaysDrawnWithCacheEnabled(false); 16831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 169de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mWallpaperManager = WallpaperManager.getInstance(context); 170de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 171046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final Resources res = getResources(); 172de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 173046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy if (LauncherApplication.isScreenXLarge()) { 174150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mBackgroundMini = res.getDrawable(R.drawable.mini_home_screen_bg); 175f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen mBackgroundMini.setFilterBitmap(true); 176150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mBackground = res.getDrawable(R.drawable.home_screen_bg); 177de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mBackground.setFilterBitmap(true); 178150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mBackgroundMiniHover = res.getDrawable(R.drawable.mini_home_screen_bg_hover); 179f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen mBackgroundMiniHover.setFilterBitmap(true); 1801262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy mBackgroundHover = res.getDrawable(R.drawable.home_screen_bg_hover); 1811262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy mBackgroundHover.setFilterBitmap(true); 1823e7c7634531302271270c8cf418abc959d621cbcMichael Jurka mBackgroundMiniAcceptsDrops = res.getDrawable( 1833e7c7634531302271270c8cf418abc959d621cbcMichael Jurka R.drawable.mini_home_screen_bg_accepts_drops); 1843e7c7634531302271270c8cf418abc959d621cbcMichael Jurka mBackgroundMiniAcceptsDrops.setFilterBitmap(true); 185046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy } 186de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 187046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Initialize the data structures used for the drag visualization. 188150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 189046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy mCrosshairsDrawable = res.getDrawable(R.drawable.gardening_crosshairs); 190ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy mEaseOutInterpolator = new DecelerateInterpolator(2.5f); // Quint ease out 191de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 192046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Set up the animation for fading the crosshairs in and out 193046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy int animDuration = res.getInteger(R.integer.config_crosshairsFadeInTime); 19449250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy mCrosshairsAnimator = new InterruptibleInOutAnimator(animDuration, 0.0f, 1.0f); 195472b281d5cb4f5660df981a6c912266b9f5703feChet Haase mCrosshairsAnimator.getAnimator().addUpdateListener(new AnimatorUpdateListener() { 196046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy public void onAnimationUpdate(ValueAnimator animation) { 197046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy mCrosshairsVisibility = ((Float) animation.getAnimatedValue()).floatValue(); 1988e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy invalidate(); 199046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy } 200046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy }); 201ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy mCrosshairsAnimator.getAnimator().setInterpolator(mEaseOutInterpolator); 202046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy 2034be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlines.length; i++) { 2044be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragOutlines[i] = new Point(-1, -1); 205046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy } 206046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy 207046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // When dragging things around the home screens, we show a green outline of 208046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // where the item will land. The outlines gradually fade out, leaving a trail 209046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // behind the drag path. 210046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Set up all the animations that are used to implement this fading. 211046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final int duration = res.getInteger(R.integer.config_dragOutlineFadeTime); 212472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float fromAlphaValue = 0; 213472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float toAlphaValue = (float)res.getInteger(R.integer.config_dragOutlineMaxAlpha); 2144be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 2158e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy Arrays.fill(mDragOutlineAlphas, fromAlphaValue); 2164be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 2174be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlineAnims.length; i++) { 218046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final InterruptibleInOutAnimator anim = 219046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy new InterruptibleInOutAnimator(duration, fromAlphaValue, toAlphaValue); 220ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy anim.getAnimator().setInterpolator(mEaseOutInterpolator); 221046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final int thisIndex = i; 222472b281d5cb4f5660df981a6c912266b9f5703feChet Haase anim.getAnimator().addUpdateListener(new AnimatorUpdateListener() { 223de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy public void onAnimationUpdate(ValueAnimator animation) { 2244be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Bitmap outline = (Bitmap)anim.getTag(); 2254be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 2264be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // If an animation is started and then stopped very quickly, we can still 2274be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // get spurious updates we've cleared the tag. Guard against this. 2284be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (outline == null) { 229fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy if (false) { 230fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy Object val = animation.getAnimatedValue(); 231fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy Log.d(TAG, "anim " + thisIndex + " update: " + val + 232fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy ", isStopped " + anim.isStopped()); 233fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy } 2344be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Try to prevent it from continuing to run 2354be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato animation.cancel(); 2364be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } else { 237472b281d5cb4f5660df981a6c912266b9f5703feChet Haase mDragOutlineAlphas[thisIndex] = (Float) animation.getAnimatedValue(); 2384be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int left = mDragOutlines[thisIndex].x; 2394be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int top = mDragOutlines[thisIndex].y; 2404be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato CellLayout.this.invalidate(left, top, 2414be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato left + outline.getWidth(), top + outline.getHeight()); 2424be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 243de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 244de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy }); 2454be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // The animation holds a reference to the drag outline bitmap as long is it's 2464be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // running. This way the bitmap can be GCed when the animations are complete. 247472b281d5cb4f5660df981a6c912266b9f5703feChet Haase anim.getAnimator().addListener(new AnimatorListenerAdapter() { 2484be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato public void onAnimationEnd(Animator animation) { 249472b281d5cb4f5660df981a6c912266b9f5703feChet Haase if ((Float) ((ValueAnimator) animation).getAnimatedValue() == 0f) { 2504be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato anim.setTag(null); 2514be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 2524be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 2534be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato }); 2544be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragOutlineAnims[i] = anim; 255de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 256ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 257a944215d364c178c9b0b8f5bdcce16e1f10c552dPatrick Dubroy mDropAnim = ValueAnimator.ofFloat(1.0f, 0.0f); 258ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy mDropAnim.setInterpolator(mEaseOutInterpolator); 259ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 26018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundRect = new Rect(); 26118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mHoverRect = new Rect(); 26218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHoverScale(1.0f); 26318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHoverAlpha(1.0f); 26418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 26518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 26618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka private void updateHoverRect() { 26718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka float marginFraction = (mHoverScale - 1.0f) / 2.0f; 26818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka int marginX = (int) (marginFraction * (mBackgroundRect.right - mBackgroundRect.left)); 26918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka int marginY = (int) (marginFraction * (mBackgroundRect.bottom - mBackgroundRect.top)); 27018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mHoverRect.set(mBackgroundRect.left - marginX, mBackgroundRect.top - marginY, 27118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundRect.right + marginX, mBackgroundRect.bottom + marginY); 27218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka invalidate(); 27318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 27418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 27518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public void setHoverScale(float scaleFactor) { 27618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka if (scaleFactor != mHoverScale) { 27718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mHoverScale = scaleFactor; 27818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka updateHoverRect(); 27918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 28018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 28118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 28218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public float getHoverScale() { 28318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka return mHoverScale; 28418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 28518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 28618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public float getHoverAlpha() { 28718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka return mHoverAlpha; 28818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 28918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 29018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public void setHoverAlpha(float alpha) { 29118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mHoverAlpha = alpha; 29218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka invalidate(); 29318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 29418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 29518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka void animateDrop() { 29618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka if (LauncherApplication.isScreenXLarge()) { 29718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka Resources res = getResources(); 29818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka float onDropScale = res.getInteger(R.integer.config_screenOnDropScalePercent) / 100.0f; 29918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka ObjectAnimator scaleUp = ObjectAnimator.ofFloat(this, "hoverScale", onDropScale); 30018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka scaleUp.setDuration(res.getInteger(R.integer.config_screenOnDropScaleUpDuration)); 30118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka ObjectAnimator scaleDown = ObjectAnimator.ofFloat(this, "hoverScale", 1.0f); 30218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka scaleDown.setDuration(res.getInteger(R.integer.config_screenOnDropScaleDownDuration)); 30318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka ObjectAnimator alphaFadeOut = ObjectAnimator.ofFloat(this, "hoverAlpha", 0.0f); 30418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 30518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka alphaFadeOut.setStartDelay(res.getInteger(R.integer.config_screenOnDropAlphaFadeDelay)); 30618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka alphaFadeOut.setDuration(res.getInteger(R.integer.config_screenOnDropAlphaFadeDelay)); 30718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 30818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka AnimatorSet bouncer = new AnimatorSet(); 30918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka bouncer.play(scaleUp).before(scaleDown); 31018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka bouncer.play(scaleUp).with(alphaFadeOut); 31118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka bouncer.addListener(new AnimatorListenerAdapter() { 31218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public void onAnimationStart(Animator animation) { 31318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHover(true); 31418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 31518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public void onAnimationEnd(Animator animation) { 31618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHover(false); 31718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHoverScale(1.0f); 31818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHoverAlpha(1.0f); 31918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 32018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka }); 32118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka bouncer.start(); 32218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 323a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy } 324a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy 325a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka public void setHover(boolean value) { 326a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka if (mHover != value) { 3273e7c7634531302271270c8cf418abc959d621cbcMichael Jurka mHover = value; 328a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka invalidate(); 329a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 330a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 331a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka 3321262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy public void drawChildren(Canvas canvas) { 3331262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy super.dispatchDraw(canvas); 3341262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy } 3351262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy 336a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy @Override 3371262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy protected void onDraw(Canvas canvas) { 3383e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // When we're large, we are either drawn in a "hover" state (ie when dragging an item to 3393e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // a neighboring page) or with just a normal background (if backgroundAlpha > 0.0f) 3403e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // When we're small, we are either drawn normally or in the "accepts drops" state (during 3413e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // a drag). However, we also drag the mini hover background *over* one of those two 3423e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // backgrounds 3435f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka if (mBackgroundAlpha > 0.0f) { 344f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen Drawable bg; 3451262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy if (getScaleX() < 0.5f) { 3463e7c7634531302271270c8cf418abc959d621cbcMichael Jurka bg = mAcceptsDrops ? mBackgroundMiniAcceptsDrops : mBackgroundMini; 347f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } else { 3481262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy bg = mHover ? mBackgroundHover : mBackground; 349f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 3509c4949e12c909d5e01d24386147b1c528015b31bAdam Cohen if (bg != null) { 3519c4949e12c909d5e01d24386147b1c528015b31bAdam Cohen bg.setAlpha((int) (mBackgroundAlpha * 255)); 35218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka bg.setBounds(mBackgroundRect); 3539c4949e12c909d5e01d24386147b1c528015b31bAdam Cohen bg.draw(canvas); 3549c4949e12c909d5e01d24386147b1c528015b31bAdam Cohen } 3553e7c7634531302271270c8cf418abc959d621cbcMichael Jurka if (mHover && getScaleX() < 0.5f) { 35618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka boolean modifiedClipRect = false; 35718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka if (mHoverScale > 1.0f) { 35818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka // If the hover background's scale is greater than 1, we'll be drawing outside 35918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka // the bounds of this CellLayout. Get around that by temporarily increasing the 36018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka // size of the clip rect 36118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka float marginFraction = (mHoverScale - 1.0f) / 2.0f; 36218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka Rect clipRect = canvas.getClipBounds(); 36318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka int marginX = (int) (marginFraction * (clipRect.right - clipRect.left)); 36418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka int marginY = (int) (marginFraction * (clipRect.bottom - clipRect.top)); 36518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka canvas.save(Canvas.CLIP_SAVE_FLAG); 36618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka canvas.clipRect(-marginX, -marginY, 36718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka getWidth() + marginX, getHeight() + marginY, Region.Op.REPLACE); 36818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka modifiedClipRect = true; 36918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 37018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 37118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundMiniHover.setAlpha((int) (mBackgroundAlpha * mHoverAlpha * 255)); 37218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundMiniHover.setBounds(mHoverRect); 3733e7c7634531302271270c8cf418abc959d621cbcMichael Jurka mBackgroundMiniHover.draw(canvas); 37418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka if (modifiedClipRect) { 37518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka canvas.restore(); 37618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 3773e7c7634531302271270c8cf418abc959d621cbcMichael Jurka } 378a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 37931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 380de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (mCrosshairsVisibility > 0.0f) { 381de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countX = mCountX; 382de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countY = mCountY; 383de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 384de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final float MAX_ALPHA = 0.4f; 385de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int MAX_VISIBLE_DISTANCE = 600; 386de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final float DISTANCE_MULTIPLIER = 0.002f; 387de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 388de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final Drawable d = mCrosshairsDrawable; 389de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int width = d.getIntrinsicWidth(); 390de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int height = d.getIntrinsicHeight(); 391de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 392de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int x = getLeftPadding() - (mWidthGap / 2) - (width / 2); 393de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int col = 0; col <= countX; col++) { 394de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int y = getTopPadding() - (mHeightGap / 2) - (height / 2); 395de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int row = 0; row <= countY; row++) { 396de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mTmpPointF.set(x - mDragCenter.x, y - mDragCenter.y); 397de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy float dist = mTmpPointF.length(); 398de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // Crosshairs further from the drag point are more faint 399de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy float alpha = Math.min(MAX_ALPHA, 400de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy DISTANCE_MULTIPLIER * (MAX_VISIBLE_DISTANCE - dist)); 401de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (alpha > 0.0f) { 402de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.setBounds(x, y, x + width, y + height); 403de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.setAlpha((int) (alpha * 255 * mCrosshairsVisibility)); 404de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.draw(canvas); 405de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 406de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy y += mCellHeight + mHeightGap; 407de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 408de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy x += mCellWidth + mWidthGap; 409de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 4104be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 411150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 4128e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy final Paint paint = mDragOutlinePaint; 4134be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlines.length; i++) { 414472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float alpha = mDragOutlineAlphas[i]; 4154be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (alpha > 0) { 4164be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Point p = mDragOutlines[i]; 4174be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Bitmap b = (Bitmap) mDragOutlineAnims[i].getTag(); 418472b281d5cb4f5660df981a6c912266b9f5703feChet Haase paint.setAlpha((int)(alpha + .5f)); 4194be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato canvas.drawBitmap(b, p.x, p.y, paint); 420150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung } 4216569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 4226569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 4236569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 424f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen public void setDimmableProgress(float progress) { 425f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen for (int i = 0; i < getChildCount(); i++) { 426f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen Dimmable d = (Dimmable) getChildAt(i); 427f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen d.setDimmableProgress(progress); 428f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 429f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 430f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen 431f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen public float getDimmableProgress() { 432f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen if (getChildCount() > 0) { 433f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen return ((Dimmable) getChildAt(0)).getDimmableProgress(); 434f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 435f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen return 0.0f; 436f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 437f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen 4386569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy @Override 43983f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey public void cancelLongPress() { 44083f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey super.cancelLongPress(); 44183f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey 44283f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey // Cancel long press for all children 44383f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey final int count = getChildCount(); 44483f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey for (int i = 0; i < count; i++) { 44583f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey final View child = getChildAt(i); 44683f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey child.cancelLongPress(); 44783f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey } 44883f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey } 44983f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey 450dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka public void setOnInterceptTouchListener(View.OnTouchListener listener) { 451dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka mInterceptTouchListener = listener; 452dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 453dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 45431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCountX() { 455d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen return mCountX; 45631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 45731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 45831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCountY() { 459d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen return mCountY; 46031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 46131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 462aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public boolean addViewToCellLayout(View child, int index, int childId, LayoutParams params) { 463f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka return addViewToCellLayout(child, index, childId, params, true); 464f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka } 465f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka 466f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka public boolean addViewToCellLayout( 467f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka View child, int index, int childId, LayoutParams params, boolean markCells) { 468aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final LayoutParams lp = params; 469aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 47031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Generate an id for each view, this assumes we have at most 256x256 cells 47131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // per workspace screen 472d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellX >= 0 && lp.cellX <= mCountX - 1 && lp.cellY >= 0 && lp.cellY <= mCountY - 1) { 473aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // If the horizontal or vertical span is set to -1, it is taken to 474aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // mean that it spans the extent of the CellLayout 475d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellHSpan < 0) lp.cellHSpan = mCountX; 476d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellVSpan < 0) lp.cellVSpan = mCountY; 477aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 478aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung child.setId(childId); 47931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 480dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka // We might be in the middle or end of shrinking/fading to a dimmed view 481dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka // Make sure this view's alpha is set the same as all the rest of the views 4825f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka child.setAlpha(getAlpha()); 483aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung addView(child, index, lp); 484dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 485f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka if (markCells) markCellsAsOccupiedForView(child); 4860280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 487aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return true; 488aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 489aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return false; 49031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 4913e7c7634531302271270c8cf418abc959d621cbcMichael Jurka public void setAcceptsDrops(boolean acceptsDrops) { 4923e7c7634531302271270c8cf418abc959d621cbcMichael Jurka if (mAcceptsDrops != acceptsDrops) { 4933e7c7634531302271270c8cf418abc959d621cbcMichael Jurka mAcceptsDrops = acceptsDrops; 4943e7c7634531302271270c8cf418abc959d621cbcMichael Jurka invalidate(); 4953e7c7634531302271270c8cf418abc959d621cbcMichael Jurka } 4963e7c7634531302271270c8cf418abc959d621cbcMichael Jurka } 4973e7c7634531302271270c8cf418abc959d621cbcMichael Jurka 4983e7c7634531302271270c8cf418abc959d621cbcMichael Jurka public boolean getAcceptsDrops() { 4993e7c7634531302271270c8cf418abc959d621cbcMichael Jurka return mAcceptsDrops; 5003e7c7634531302271270c8cf418abc959d621cbcMichael Jurka } 50131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 50231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 5030280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeAllViews() { 5040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka clearOccupiedCells(); 5050280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5060280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5070280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeAllViewsInLayout() { 5090280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka clearOccupiedCells(); 5100280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5110280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 512f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka public void removeViewWithoutMarkingCells(View view) { 513f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka super.removeView(view); 514f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka } 515f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka 5160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5170280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeView(View view) { 5180280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 5190280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeView(view); 5200280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5210280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5220280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5230280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewAt(int index) { 5240280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(getChildAt(index)); 5250280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViewAt(index); 5260280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5270280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5280280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5290280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewInLayout(View view) { 5300280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 5310280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViewInLayout(view); 5320280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5330280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5340280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5350280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViews(int start, int count) { 5360280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = start; i < start + count; i++) { 5370280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(getChildAt(i)); 5380280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5390280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViews(start, count); 5400280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5410280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5420280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5430280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewsInLayout(int start, int count) { 5440280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = start; i < start + count; i++) { 5450280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(getChildAt(i)); 5460280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5470280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViewsInLayout(start, count); 5480280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5490280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5500280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 55131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void requestChildFocus(View child, View focused) { 55231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.requestChildFocus(child, focused); 55331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child != null) { 55431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Rect r = new Rect(); 55531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.getDrawingRect(r); 55631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project requestRectangleOnScreen(r); 55731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 55831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 55931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 56031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 56131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onAttachedToWindow() { 56231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onAttachedToWindow(); 56331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellInfo.screen = ((ViewGroup) getParent()).indexOfChild(this); 56431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 56531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 566af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka public void setTagToCellInfoForPoint(int touchX, int touchY) { 56731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellInfo cellInfo = mCellInfo; 568af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final Rect frame = mRect; 569af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int x = touchX + mScrollX; 570af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int y = touchY + mScrollY; 571af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int count = getChildCount(); 57231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 573af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka boolean found = false; 574af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka for (int i = count - 1; i >= 0; i--) { 575af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final View child = getChildAt(i); 576af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka 577af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if ((child.getVisibility()) == VISIBLE || child.getAnimation() != null) { 578af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka child.getHitRect(frame); 579af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (frame.contains(x, y)) { 580af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final LayoutParams lp = (LayoutParams) child.getLayoutParams(); 581af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cell = child; 582af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellX = lp.cellX; 583af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellY = lp.cellY; 584af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanX = lp.cellHSpan; 585af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanY = lp.cellVSpan; 586af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.valid = true; 587af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka found = true; 588af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka break; 58931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 59031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 591af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 592aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 593af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (!found) { 5946569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy final int cellXY[] = mTmpCellXY; 595af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka pointToCellExact(x, y, cellXY); 59631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 597af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cell = null; 598af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellX = cellXY[0]; 599af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellY = cellXY[1]; 600af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanX = 1; 601af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanY = 1; 6020280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellInfo.valid = cellXY[0] >= 0 && cellXY[1] >= 0 && cellXY[0] < mCountX && 6030280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[1] < mCountY && !mOccupied[cellXY[0]][cellXY[1]]; 604af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 605af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka setTag(cellInfo); 606af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 60731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 608aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 609af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka @Override 610af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka public boolean onInterceptTouchEvent(MotionEvent ev) { 611dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka if (mInterceptTouchListener != null && mInterceptTouchListener.onTouch(this, ev)) { 612dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka return true; 613dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 614af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int action = ev.getAction(); 615af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final CellInfo cellInfo = mCellInfo; 61631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 617af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (action == MotionEvent.ACTION_DOWN) { 618af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka setTagToCellInfoForPoint((int) ev.getX(), (int) ev.getY()); 61931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (action == MotionEvent.ACTION_UP) { 62031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.cell = null; 62131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.cellX = -1; 62231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.cellY = -1; 62331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.spanX = 0; 62431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.spanY = 0; 62531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.valid = false; 62631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project setTag(cellInfo); 62731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 62831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 62931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 63031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 63131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 63231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 63331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellInfo getTag() { 6340280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return (CellInfo) super.getTag(); 63531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 63631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6376569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 6386569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * Check if the row 'y' is empty from columns 'left' to 'right', inclusive. 6396569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 64031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private static boolean isRowEmpty(int y, int left, int right, boolean[][] occupied) { 64131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int x = left; x <= right; x++) { 64231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (occupied[x][y]) { 64331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 64431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 64531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 64631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 64731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 64831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 64931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 650aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Given a point, return the cell that strictly encloses that point 65131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x X coordinate of the point 65231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y Y coordinate of the point 65331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the cell 65431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 65531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void pointToCellExact(int x, int y, int[] result) { 656aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int hStartPadding = getLeftPadding(); 657aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int vStartPadding = getTopPadding(); 65831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 65931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[0] = (x - hStartPadding) / (mCellWidth + mWidthGap); 66031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[1] = (y - vStartPadding) / (mCellHeight + mHeightGap); 66131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 662d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int xAxis = mCountX; 663d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int yAxis = mCountY; 66431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 66531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[0] < 0) result[0] = 0; 66631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[0] >= xAxis) result[0] = xAxis - 1; 66731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[1] < 0) result[1] = 0; 66831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[1] >= yAxis) result[1] = yAxis - 1; 66931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 670aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 67131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 67231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Given a point, return the cell that most closely encloses that point 67331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x X coordinate of the point 67431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y Y coordinate of the point 67531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the cell 67631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 67731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void pointToCellRounded(int x, int y, int[] result) { 67831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project pointToCellExact(x + (mCellWidth / 2), y + (mCellHeight / 2), result); 67931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 68031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 68131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 68231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Given a cell coordinate, return the point that represents the upper left corner of that cell 683aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 684aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * @param cellX X coordinate of the cell 68531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellY Y coordinate of the cell 686aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 68731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the point 68831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 68931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void cellToPoint(int cellX, int cellY, int[] result) { 690aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int hStartPadding = getLeftPadding(); 691aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int vStartPadding = getTopPadding(); 69231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 69331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[0] = hStartPadding + cellX * (mCellWidth + mWidthGap); 69431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[1] = vStartPadding + cellY * (mCellHeight + mHeightGap); 69531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 69631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 69784f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy int getCellWidth() { 69884f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy return mCellWidth; 69984f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 70084f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 70184f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy int getCellHeight() { 70284f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy return mCellHeight; 70384f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 70484f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 7051a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getLeftPadding() { 706aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mLeftPadding; 7071a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 7081a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 7091a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getTopPadding() { 710aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mTopPadding; 7111a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 7121a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 7131a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getRightPadding() { 714aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mRightPadding; 7151a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 7161a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 7171a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getBottomPadding() { 718aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mBottomPadding; 7191a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 7201a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 72131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 72231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 72331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // TODO: currently ignoring padding 724aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 72531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec); 726aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec); 727aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 72831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec); 72931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int heightSpecSize = MeasureSpec.getSize(heightMeasureSpec); 730aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 73131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (widthSpecMode == MeasureSpec.UNSPECIFIED || heightSpecMode == MeasureSpec.UNSPECIFIED) { 73231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new RuntimeException("CellLayout cannot have UNSPECIFIED dimensions"); 73331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 73431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 73531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellWidth = mCellWidth; 73631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellHeight = mCellHeight; 73731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 738d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen int numWidthGaps = mCountX - 1; 739d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen int numHeightGaps = mCountY - 1; 740d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen 741ece7f5b3b55cab646941123e03589241a61678e2Winson Chung if (mWidthGap < 0 || mHeightGap < 0) { 742ece7f5b3b55cab646941123e03589241a61678e2Winson Chung int vSpaceLeft = heightSpecSize - mTopPadding - mBottomPadding - (cellHeight * mCountY); 743ece7f5b3b55cab646941123e03589241a61678e2Winson Chung mHeightGap = vSpaceLeft / numHeightGaps; 744d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen 745ece7f5b3b55cab646941123e03589241a61678e2Winson Chung int hSpaceLeft = widthSpecSize - mLeftPadding - mRightPadding - (cellWidth * mCountX); 746ece7f5b3b55cab646941123e03589241a61678e2Winson Chung mWidthGap = hSpaceLeft / numWidthGaps; 747aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 748ece7f5b3b55cab646941123e03589241a61678e2Winson Chung // center it around the min gaps 749ece7f5b3b55cab646941123e03589241a61678e2Winson Chung int minGap = Math.min(mWidthGap, mHeightGap); 750ece7f5b3b55cab646941123e03589241a61678e2Winson Chung mWidthGap = mHeightGap = minGap; 751ece7f5b3b55cab646941123e03589241a61678e2Winson Chung } 7525f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 75331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = getChildCount(); 75431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 75531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 75631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = getChildAt(i); 75731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LayoutParams lp = (LayoutParams) child.getLayoutParams(); 758aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung lp.setup(cellWidth, cellHeight, mWidthGap, mHeightGap, 759aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung mLeftPadding, mTopPadding); 760aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 7610280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int childWidthMeasureSpec = MeasureSpec.makeMeasureSpec(lp.width, MeasureSpec.EXACTLY); 762aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung int childheightMeasureSpec = MeasureSpec.makeMeasureSpec(lp.height, 763aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung MeasureSpec.EXACTLY); 76431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 76531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.measure(childWidthMeasureSpec, childheightMeasureSpec); 76631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 7675f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka if (widthSpecMode == MeasureSpec.AT_MOST) { 7685f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka int newWidth = mLeftPadding + mRightPadding + (mCountX * cellWidth) + 769ece7f5b3b55cab646941123e03589241a61678e2Winson Chung ((mCountX - 1) * mWidthGap); 7705f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka int newHeight = mTopPadding + mBottomPadding + (mCountY * cellHeight) + 771ece7f5b3b55cab646941123e03589241a61678e2Winson Chung ((mCountY - 1) * mHeightGap); 7725f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka setMeasuredDimension(newWidth, newHeight); 7735f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } else if (widthSpecMode == MeasureSpec.EXACTLY) { 7745f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka setMeasuredDimension(widthSpecSize, heightSpecSize); 7755f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } 77631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 77731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 778ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy /** 779ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * Animate a child of this CellLayout into its current layout position. 780ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * The position to animate from is given by the oldX and oldY values in its LayoutParams. 781ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy */ 782ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy private void animateChildIntoPosition(final View child) { 783ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy final Resources res = getResources(); 784a944215d364c178c9b0b8f5bdcce16e1f10c552dPatrick Dubroy final ValueAnimator anim = mDropAnim; 785ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy final CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 786ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy final float startX = lp.oldX - lp.x; 787ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy final float startY = lp.oldY - lp.y; 788ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 789ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy // Calculate the duration of the animation based on the object's distance 790ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy final float dist = (float) Math.sqrt(startX*startX + startY*startY); 791ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy final float maxDist = (float) res.getInteger(R.integer.config_dropAnimMaxDist); 792ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy final int duration = (int) (res.getInteger(R.integer.config_dropAnimMaxDuration) 793ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * mEaseOutInterpolator.getInterpolation(dist / maxDist)); 794ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 795a944215d364c178c9b0b8f5bdcce16e1f10c552dPatrick Dubroy anim.end(); // Make sure it's not already running 796ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy anim.setDuration(duration); 797a944215d364c178c9b0b8f5bdcce16e1f10c552dPatrick Dubroy anim.setFloatValues(1.0f, 0.0f); 798ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy anim.removeAllUpdateListeners(); 799ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy anim.addUpdateListener(new AnimatorUpdateListener() { 800ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy public void onAnimationUpdate(ValueAnimator animation) { 801a944215d364c178c9b0b8f5bdcce16e1f10c552dPatrick Dubroy final float value = (Float) anim.getAnimatedValue(); 802a944215d364c178c9b0b8f5bdcce16e1f10c552dPatrick Dubroy child.setTranslationX(startX * value); 803a944215d364c178c9b0b8f5bdcce16e1f10c552dPatrick Dubroy child.setTranslationY(startY * value); 804ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy } 805ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy }); 806ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy anim.start(); 807ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy } 808ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 80931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 81028750fba6a2d141eb9a1e566718c17236030b815Michael Jurka protected void onLayout(boolean changed, int l, int t, int r, int b) { 81131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = getChildCount(); 81231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 81331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 814ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy final View child = getChildAt(i); 81531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child.getVisibility() != GONE) { 81631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 81731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 81831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 81931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int childLeft = lp.x; 82031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int childTop = lp.y; 82131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.layout(childLeft, childTop, childLeft + lp.width, childTop + lp.height); 82284f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 82384f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy if (lp.dropped) { 82484f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy lp.dropped = false; 82584f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 8266569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy final int[] cellXY = mTmpCellXY; 82706762ab54d64e84328d427403bb6074dfd0f630cRomain Guy getLocationOnScreen(cellXY); 82884f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy mWallpaperManager.sendWallpaperCommand(getWindowToken(), "android.home.drop", 82906762ab54d64e84328d427403bb6074dfd0f630cRomain Guy cellXY[0] + childLeft + lp.width / 2, 83006762ab54d64e84328d427403bb6074dfd0f630cRomain Guy cellXY[1] + childTop + lp.height / 2, 0, null); 831ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 832ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy animateChildIntoPosition(child); 83384f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 83431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 83531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 83631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 83731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 83831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 839dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka protected void onSizeChanged(int w, int h, int oldw, int oldh) { 840dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka super.onSizeChanged(w, h, oldw, oldh); 84118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundRect.set(0, 0, w, h); 84218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka updateHoverRect(); 843dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 844dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 845dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka @Override 84631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void setChildrenDrawingCacheEnabled(boolean enabled) { 84731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 84831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 84931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View view = getChildAt(i); 85031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view.setDrawingCacheEnabled(enabled); 85131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Update the drawing caches 8523cf4c03125be60d56bff7eb82a1775ac46b919edRomain Guy if (!view.isHardwareAccelerated()) { 8533cf4c03125be60d56bff7eb82a1775ac46b919edRomain Guy view.buildDrawingCache(true); 8543cf4c03125be60d56bff7eb82a1775ac46b919edRomain Guy } 85531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 85631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 85731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 85831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 85931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void setChildrenDrawnWithCacheEnabled(boolean enabled) { 86031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.setChildrenDrawnWithCacheEnabled(enabled); 86131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 86231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8635f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public float getBackgroundAlpha() { 8645f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka return mBackgroundAlpha; 865dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 866dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 8675f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public void setBackgroundAlpha(float alpha) { 8685f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka mBackgroundAlpha = alpha; 8690142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka invalidate(); 870dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 871dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 8725f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // Need to return true to let the view system know we know how to handle alpha-- this is 8735f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // because when our children have an alpha of 0.0f, they are still rendering their "dimmed" 8745f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // versions 8755f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka @Override 8765f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka protected boolean onSetAlpha(int alpha) { 8775f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka return true; 8785f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } 8795f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 8805f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public void setAlpha(float alpha) { 8815f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka setChildrenAlpha(alpha); 8825f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka super.setAlpha(alpha); 8835f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } 8845f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 885dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka private void setChildrenAlpha(float alpha) { 8860142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka final int childCount = getChildCount(); 8870142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka for (int i = 0; i < childCount; i++) { 888dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka getChildAt(i).setAlpha(alpha); 889dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 890dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 891dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 8920280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private boolean isVacantIgnoring( 8930280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int originX, int originY, int spanX, int spanY, View ignoreView) { 8940280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (ignoreView != null) { 8950280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(ignoreView); 8960280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 89728750fba6a2d141eb9a1e566718c17236030b815Michael Jurka boolean isVacant = true; 8986569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy for (int i = 0; i < spanY; i++) { 8996569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (!isRowEmpty(originY + i, originX, originX + spanX - 1, mOccupied)) { 90028750fba6a2d141eb9a1e566718c17236030b815Michael Jurka isVacant = false; 90128750fba6a2d141eb9a1e566718c17236030b815Michael Jurka break; 9026569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 9036569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 9040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (ignoreView != null) { 9050280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsOccupiedForView(ignoreView); 9060280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 90728750fba6a2d141eb9a1e566718c17236030b815Michael Jurka return isVacant; 9086569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 9096569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 9100280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private boolean isVacant(int originX, int originY, int spanX, int spanY) { 9110280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return isVacantIgnoring(originX, originY, spanX, spanY, null); 9120280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 9130280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 914440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy public View getChildAt(int x, int y) { 915440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy final int count = getChildCount(); 916440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy for (int i = 0; i < count; i++) { 917440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy View child = getChildAt(i); 918440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy LayoutParams lp = (LayoutParams) child.getLayoutParams(); 919440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy 920440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy if ((lp.cellX <= x) && (x < lp.cellX + lp.cellHSpan) && 921440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy (lp.cellY <= y) && (y < lp.cellY + lp.cellHSpan)) { 922440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy return child; 923440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy } 924440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy } 925440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy return null; 926440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy } 927440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy 9286569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 9298f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy * Estimate the size that a child with the given dimensions will take in the layout. 9308f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy */ 9318f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy void estimateChildSize(int minWidth, int minHeight, int[] result) { 9328f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy // Assuming it's placed at 0, 0, find where the bottom right cell will land 9338f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy rectToCell(minWidth, minHeight, result); 9348f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy 9358f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy // Then figure out the rect it will occupy 9368f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy cellToRect(0, 0, result[0], result[1], mRectF); 9378f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[0] = (int)mRectF.width(); 9388f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[1] = (int)mRectF.height(); 9398f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy } 9408f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy 9418f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy /** 9426569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * Estimate where the top left cell of the dragged item will land if it is dropped. 9436569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * 9446569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param originX The X value of the top left corner of the item 9456569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param originY The Y value of the top left corner of the item 9466569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param spanX The number of horizontal cells that the item spans 9476569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param spanY The number of vertical cells that the item spans 9486569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param result The estimated drop cell X and Y. 9496569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 9506569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy void estimateDropCell(int originX, int originY, int spanX, int spanY, int[] result) { 951d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int countX = mCountX; 952d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int countY = mCountY; 9536569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 954a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka // pointToCellRounded takes the top left of a cell but will pad that with 955a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka // cellWidth/2 and cellHeight/2 when finding the matching cell 956a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka pointToCellRounded(originX, originY, result); 9576569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 9586569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // If the item isn't fully on this screen, snap to the edges 9596569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy int rightOverhang = result[0] + spanX - countX; 9606569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (rightOverhang > 0) { 9616569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[0] -= rightOverhang; // Snap to right 9626569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 9636569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[0] = Math.max(0, result[0]); // Snap to left 9646569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy int bottomOverhang = result[1] + spanY - countY; 9656569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (bottomOverhang > 0) { 9666569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[1] -= bottomOverhang; // Snap to bottom 9676569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 9686569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[1] = Math.max(0, result[1]); // Snap to top 9696569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 9706569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 9714be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato void visualizeDropLocation( 9724be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato View v, Bitmap dragOutline, int originX, int originY, int spanX, int spanY) { 9734be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 97408ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy final int oldDragCellX = mDragCell[0]; 97508ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy final int oldDragCellY = mDragCell[1]; 9764be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int[] nearest = findNearestVacantArea(originX, originY, spanX, spanY, v, mDragCell); 977a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung if (v != null) { 978a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung mDragCenter.set(originX + (v.getWidth() / 2), originY + (v.getHeight() / 2)); 979a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung } else { 980a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung mDragCenter.set(originX, originY); 981a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung } 9826569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 98308ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy if (nearest != null && (nearest[0] != oldDragCellX || nearest[1] != oldDragCellY)) { 9846569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // Find the top left corner of the rect the object will occupy 985de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int[] topLeft = mTmpPoint; 986de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy cellToPoint(nearest[0], nearest[1], topLeft); 987de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 9884be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato int left = topLeft[0]; 9894be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato int top = topLeft[1]; 9906569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 991a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung if (v != null) { 992a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung if (v.getParent() instanceof CellLayout) { 993a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung LayoutParams lp = (LayoutParams) v.getLayoutParams(); 994a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung left += lp.leftMargin; 995a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung top += lp.topMargin; 996a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung } 997150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 998a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung // Offsets due to the size difference between the View and the dragOutline 999a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung left += (v.getWidth() - dragOutline.getWidth()) / 2; 1000a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung top += (v.getHeight() - dragOutline.getHeight()) / 2; 1001a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung } 1002150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 10034be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int oldIndex = mDragOutlineCurrent; 100408ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[oldIndex].animateOut(); 100508ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineCurrent = (oldIndex + 1) % mDragOutlines.length; 1006150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 100708ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlines[mDragOutlineCurrent].set(left, top); 100808ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[mDragOutlineCurrent].setTag(dragOutline); 100908ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[mDragOutlineCurrent].animateIn(); 10106569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 101149250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy 101249250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy // If we are drawing crosshairs, the entire CellLayout needs to be invalidated 101349250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy if (mCrosshairsDrawable != null) { 101449250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy invalidate(); 101549250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy } 10166569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 10176569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 101831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 101970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Find a vacant area that will fit the given bounds nearest the requested 102070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * cell location. Uses Euclidean distance to score multiple vacant areas. 1021aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 102251afc022fa76c79f0d1ece470ddc126c08fea8a4Romain Guy * @param pixelX The X location at which you want to search for a vacant area. 102351afc022fa76c79f0d1ece470ddc126c08fea8a4Romain Guy * @param pixelY The Y location at which you want to search for a vacant area. 102470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @param spanX Horizontal span of the object. 102570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @param spanY Vertical span of the object. 1026de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * @param result Array in which to place the result, or null (in which case a new array will 1027de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * be allocated) 102870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @return The X, Y cell of a vacant area that can contain this object, 102970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * nearest the requested location. 103031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 10316a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka int[] findNearestVacantArea( 1032de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int pixelX, int pixelY, int spanX, int spanY, int[] result) { 1033de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy return findNearestVacantArea(pixelX, pixelY, spanX, spanY, null, result); 10346a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka } 1035aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 10366a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka /** 10376a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * Find a vacant area that will fit the given bounds nearest the requested 10386a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * cell location. Uses Euclidean distance to score multiple vacant areas. 10396a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * 10406a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param pixelX The X location at which you want to search for a vacant area. 10416a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param pixelY The Y location at which you want to search for a vacant area. 10426a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param spanX Horizontal span of the object. 10436a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param spanY Vertical span of the object. 10446a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param ignoreView Considers space occupied by this view as unoccupied 1045de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * @param result Previously returned value to possibly recycle. 10466a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @return The X, Y cell of a vacant area that can contain this object, 10476a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * nearest the requested location. 10486a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka */ 10496a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka int[] findNearestVacantArea( 1050de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int pixelX, int pixelY, int spanX, int spanY, View ignoreView, int[] result) { 1051c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // mark space take by ignoreView as available (method checks if ignoreView is null) 1052c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsUnoccupiedForView(ignoreView); 1053c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka 105470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Keep track of best-scoring drop area 1055de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int[] bestXY = result != null ? result : new int[2]; 105670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey double bestDistance = Double.MAX_VALUE; 1057aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1058de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countX = mCountX; 1059de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countY = mCountY; 1060de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final boolean[][] occupied = mOccupied; 1061de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 1062de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int x = 0; x < countX - (spanX - 1); x++) { 1063c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka inner: 1064de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int y = 0; y < countY - (spanY - 1); y++) { 1065c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka for (int i = 0; i < spanX; i++) { 1066c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka for (int j = 0; j < spanY; j++) { 1067de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (occupied[x + i][y + j]) { 1068c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka // small optimization: we can skip to below the row we just found 1069c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka // an occupied cell 1070c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka y += j; 1071c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka continue inner; 1072c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 1073c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 1074c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 1075c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka final int[] cellXY = mTmpCellXY; 1076c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka cellToPoint(x, y, cellXY); 1077c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka 1078c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka double distance = Math.sqrt(Math.pow(cellXY[0] - pixelX, 2) 1079c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka + Math.pow(cellXY[1] - pixelY, 2)); 1080c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka if (distance <= bestDistance) { 1081c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestDistance = distance; 1082c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestXY[0] = x; 1083c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestXY[1] = y; 1084c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 108531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 108631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1087c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // re-mark space taken by ignoreView as occupied 1088c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsOccupiedForView(ignoreView); 108931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1090aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // Return null if no suitable location found 109170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey if (bestDistance < Double.MAX_VALUE) { 109270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return bestXY; 109370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } else { 109470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return null; 109570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 109631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1097aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 10980280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean existsEmptyCell() { 10990280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpan(null, 1, 1); 11000280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11010280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 11020280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 11030280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Finds the upper-left coordinate of the first rectangle in the grid that can 11040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * hold a cell of the specified dimensions. If intersectX and intersectY are not -1, 11050280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * then this method will only return coordinates for rectangles that contain the cell 11060280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * (intersectX, intersectY) 11070280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 11080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param cellXY The array that will contain the position of a vacant cell if such a cell 11090280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * can be found. 11100280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 11110280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 11120280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 11130280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return True if a vacant cell of the specified dimension was found, false otherwise. 11140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 11150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpan(int[] cellXY, int spanX, int spanY) { 11160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring(cellXY, spanX, spanY, -1, -1, null); 11170280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11180280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 11190280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 11200280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Like above, but ignores any cells occupied by the item "ignoreView" 11210280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 11220280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param cellXY The array that will contain the position of a vacant cell if such a cell 11230280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * can be found. 11240280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 11250280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 11260280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param ignoreView The home screen item we should treat as not occupying any space 11270280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return 11280280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 11290280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanIgnoring(int[] cellXY, int spanX, int spanY, View ignoreView) { 11300280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring(cellXY, spanX, spanY, -1, -1, ignoreView); 11310280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11320280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 11330280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 11340280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Like above, but if intersectX and intersectY are not -1, then this method will try to 11350280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * return coordinates for rectangles that contain the cell [intersectX, intersectY] 11360280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 11370280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 11380280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 11390280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param ignoreView The home screen item we should treat as not occupying any space 11400280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param intersectX The X coordinate of the cell that we should try to overlap 11410280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param intersectX The Y coordinate of the cell that we should try to overlap 11420280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 11430280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return True if a vacant cell of the specified dimension was found, false otherwise. 11440280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 11450280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanThatIntersects(int[] cellXY, int spanX, int spanY, 11460280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int intersectX, int intersectY) { 11470280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring( 11480280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY, spanX, spanY, intersectX, intersectY, null); 11490280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11500280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 11510280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 11520280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * The superset of the above two methods 11530280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 11540280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanThatIntersectsIgnoring(int[] cellXY, int spanX, int spanY, 11550280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int intersectX, int intersectY, View ignoreView) { 1156c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // mark space take by ignoreView as available (method checks if ignoreView is null) 1157c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsUnoccupiedForView(ignoreView); 11580280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 115928750fba6a2d141eb9a1e566718c17236030b815Michael Jurka boolean foundCell = false; 11600280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka while (true) { 11610280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int startX = 0; 11620280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX >= 0) { 11630280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka startX = Math.max(startX, intersectX - (spanX - 1)); 11640280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11650280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int endX = mCountX - (spanX - 1); 11660280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX >= 0) { 11670280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka endX = Math.min(endX, intersectX + (spanX - 1) + (spanX == 1 ? 1 : 0)); 11680280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11690280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int startY = 0; 11700280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectY >= 0) { 11710280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka startY = Math.max(startY, intersectY - (spanY - 1)); 11720280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11730280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int endY = mCountY - (spanY - 1); 11740280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectY >= 0) { 11750280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka endY = Math.min(endY, intersectY + (spanY - 1) + (spanY == 1 ? 1 : 0)); 11760280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11770280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 11780280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = startX; x < endX; x++) { 11790280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka inner: 11800280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = startY; y < endY; y++) { 11810280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = 0; i < spanX; i++) { 11820280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int j = 0; j < spanY; j++) { 11830280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (mOccupied[x + i][y + j]) { 11840280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // small optimization: we can skip to below the row we just found 11850280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // an occupied cell 11860280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka y += j; 11870280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka continue inner; 11880280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11890280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11900280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11910280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (cellXY != null) { 11920280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[0] = x; 11930280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[1] = y; 11940280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 119528750fba6a2d141eb9a1e566718c17236030b815Michael Jurka foundCell = true; 119628750fba6a2d141eb9a1e566718c17236030b815Michael Jurka break; 11970280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11980280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11990280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX == -1 && intersectY == -1) { 12000280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka break; 12010280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } else { 12020280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // if we failed to find anything, try again but without any requirements of 12030280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // intersecting 12040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka intersectX = -1; 12050280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka intersectY = -1; 12060280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka continue; 12070280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 12080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 12090280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 1210c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // re-mark space taken by ignoreView as occupied 1211c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsOccupiedForView(ignoreView); 121228750fba6a2d141eb9a1e566718c17236030b815Michael Jurka return foundCell; 12130280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 12140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 121531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 12160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Called when drag has left this CellLayout or has been completed (successfully or not) 12176569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 12180280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka void onDragExit() { 12194be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // This can actually be called when we aren't in a drag, e.g. when adding a new 12204be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // item to this layout via the customize drawer. 12214be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Guard against that case. 12224be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (mDragging) { 12234be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragging = false; 12246569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 12254be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Fade out the drag indicators 12264be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (mCrosshairsAnimator != null) { 12274be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mCrosshairsAnimator.animateOut(); 12284be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 12294be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 123008ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy 123108ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy // Invalidate the drag data 123208ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragCell[0] = -1; 123308ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragCell[1] = -1; 123408ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[mDragOutlineCurrent].animateOut(); 123508ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineCurrent = (mDragOutlineCurrent + 1) % mDragOutlineAnims.length; 123608ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy 123708ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy setHover(false); 12386569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 12396569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 12406569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 1241aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Mark a child as having been dropped. 1242de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * At the beginning of the drag operation, the child may have been on another 1243ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * screen, but it is re-parented before this method is called. 124431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 124531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child that is being dropped 124631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 1247aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung void onDropChild(View child) { 1248d94533d04a5f8f5485f106d10af60169857ea899Romain Guy if (child != null) { 1249d94533d04a5f8f5485f106d10af60169857ea899Romain Guy LayoutParams lp = (LayoutParams) child.getLayoutParams(); 1250d94533d04a5f8f5485f106d10af60169857ea899Romain Guy lp.isDragging = false; 125184f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy lp.dropped = true; 1252ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy child.setVisibility(View.VISIBLE); 1253d94533d04a5f8f5485f106d10af60169857ea899Romain Guy child.requestLayout(); 1254d94533d04a5f8f5485f106d10af60169857ea899Romain Guy } 125531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 125631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 125731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void onDropAborted(View child) { 125831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child != null) { 1259ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy LayoutParams lp = (LayoutParams) child.getLayoutParams(); 1260ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy lp.isDragging = false; 1261ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy child.setVisibility(View.VISIBLE); 1262ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy animateChildIntoPosition(child); 126331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 126431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 126531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 126631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 126731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Start dragging the specified child 1268aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 126931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child that is being dragged 127031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 127131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void onDragChild(View child) { 127231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LayoutParams lp = (LayoutParams) child.getLayoutParams(); 127331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.isDragging = true; 1274ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy child.setVisibility(View.GONE); 1275de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 1276de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 1277de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy /** 1278de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * A drag event has begun over this layout. 1279de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * It may have begun over this layout (in which case onDragChild is called first), 1280de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * or it may have begun on another layout. 1281de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy */ 1282a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung void onDragEnter() { 1283fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy if (!mDragging) { 1284fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy // Fade in the drag indicators 1285fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy if (mCrosshairsAnimator != null) { 1286fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy mCrosshairsAnimator.animateIn(); 1287fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy } 12884be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 12894be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragging = true; 129031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1291aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 129231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 129331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Computes a bounding rectangle for a range of cells 1294aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 129531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellX X coordinate of upper left corner expressed as a cell position 129631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellY Y coordinate of upper left corner expressed as a cell position 1297aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * @param cellHSpan Width in cells 129831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellVSpan Height in cells 12996569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param resultRect Rect into which to put the results 130031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 13016569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy public void cellToRect(int cellX, int cellY, int cellHSpan, int cellVSpan, RectF resultRect) { 130231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellWidth = mCellWidth; 130331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellHeight = mCellHeight; 130431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int widthGap = mWidthGap; 130531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int heightGap = mHeightGap; 1306aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1307aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int hStartPadding = getLeftPadding(); 1308aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int vStartPadding = getTopPadding(); 1309aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 131031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int width = cellHSpan * cellWidth + ((cellHSpan - 1) * widthGap); 131131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int height = cellVSpan * cellHeight + ((cellVSpan - 1) * heightGap); 131231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 131331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int x = hStartPadding + cellX * (cellWidth + widthGap); 131431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int y = vStartPadding + cellY * (cellHeight + heightGap); 1315aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 13166569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy resultRect.set(x, y, x + width, y + height); 131731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1318aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 131931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 1320aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Computes the required horizontal and vertical cell spans to always 132131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * fit the given rectangle. 1322aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 132331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param width Width in pixels 132431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param height Height in pixels 13258f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy * @param result An array of length 2 in which to store the result (may be null). 132631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 13278f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy public int[] rectToCell(int width, int height, int[] result) { 13289987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka return rectToCell(getResources(), width, height, result); 13299987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka } 13309987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka 13319987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka public static int[] rectToCell(Resources resources, int width, int height, int[] result) { 133231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Always assume we're working with the smallest span to make sure we 133331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // reserve enough space in both orientations. 133479e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato int actualWidth = resources.getDimensionPixelSize(R.dimen.workspace_cell_width); 133579e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato int actualHeight = resources.getDimensionPixelSize(R.dimen.workspace_cell_height); 133631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int smallerSize = Math.min(actualWidth, actualHeight); 133779e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato 133831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Always round up to next largest cell 133931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanX = (width + smallerSize) / smallerSize; 134031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanY = (height + smallerSize) / smallerSize; 134179e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato 13428f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy if (result == null) { 13438f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy return new int[] { spanX, spanY }; 13448f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy } 13458f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[0] = spanX; 13468f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[1] = spanY; 13478f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy return result; 134831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 134931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 135031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 135131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Find the first vacant cell, if there is one. 135231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 135331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param vacant Holds the x and y coordinate of the vacant cell 135431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX Horizontal cell span. 135531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY Vertical cell span. 1356aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 135731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return True if a vacant cell was found 135831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 135931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean getVacantCell(int[] vacant, int spanX, int spanY) { 136031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13610280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findVacantCell(vacant, spanX, spanY, mCountX, mCountY, mOccupied); 136231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 136331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 136431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project static boolean findVacantCell(int[] vacant, int spanX, int spanY, 136531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int xCount, int yCount, boolean[][] occupied) { 136631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 136731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int x = 0; x < xCount; x++) { 136831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int y = 0; y < yCount; y++) { 136931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean available = !occupied[x][y]; 137031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectout: for (int i = x; i < x + spanX - 1 && x < xCount; i++) { 137131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int j = y; j < y + spanY - 1 && y < yCount; j++) { 137231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project available = available && !occupied[i][j]; 137331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!available) break out; 137431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 137531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 137631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 137731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (available) { 137831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project vacant[0] = x; 137931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project vacant[1] = y; 138031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 138131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 138231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 138331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 138431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 138531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 138631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 138731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13880280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void clearOccupiedCells() { 13890280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = 0; x < mCountX; x++) { 13900280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = 0; y < mCountY; y++) { 13910280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied[x][y] = false; 139231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 139331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 13940280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 139531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13960280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void onMove(View view, int newCellX, int newCellY) { 13970280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 13980280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 13990280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsForView(newCellX, newCellY, lp.cellHSpan, lp.cellVSpan, true); 14000280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 140131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 14020280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void markCellsAsOccupiedForView(View view) { 1403c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka if (view == null || view.getParent() != this) return; 14040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 14050280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsForView(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, true); 14060280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 14070280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 14080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void markCellsAsUnoccupiedForView(View view) { 1409c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka if (view == null || view.getParent() != this) return; 14100280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 14110280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsForView(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, false); 14120280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 14130280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 14140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void markCellsForView(int cellX, int cellY, int spanX, int spanY, boolean value) { 14150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = cellX; x < cellX + spanX && x < mCountX; x++) { 14160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = cellY; y < cellY + spanY && y < mCountY; y++) { 14170280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied[x][y] = value; 141831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 141931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 142031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 142131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 142231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 142331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public ViewGroup.LayoutParams generateLayoutParams(AttributeSet attrs) { 142431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new CellLayout.LayoutParams(getContext(), attrs); 142531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 142631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 142731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 142831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected boolean checkLayoutParams(ViewGroup.LayoutParams p) { 142931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return p instanceof CellLayout.LayoutParams; 143031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 143131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 143231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 143331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected ViewGroup.LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) { 143431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new CellLayout.LayoutParams(p); 143531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 143631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1437aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public static class CellLayoutAnimationController extends LayoutAnimationController { 1438aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public CellLayoutAnimationController(Animation animation, float delay) { 1439aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung super(animation, delay); 1440aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1441aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1442aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung @Override 1443aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung protected long getDelayForView(View view) { 1444aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return (int) (Math.random() * 150); 1445aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1446aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1447aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 144831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static class LayoutParams extends ViewGroup.MarginLayoutParams { 144931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 145031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Horizontal location of the item in the grid. 145131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 145231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 145331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellX; 145431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 145531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 145631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Vertical location of the item in the grid. 145731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 145831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 145931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellY; 146031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 146131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 146231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Number of cells spanned horizontally by the item. 146331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 146431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 146531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellHSpan; 146631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 146731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 146831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Number of cells spanned vertically by the item. 146931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 147031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 147131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellVSpan; 1472aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 147331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 147431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Is this item currently being dragged 147531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 147631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean isDragging; 147731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 147831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // X coordinate of the view in the layout. 147931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 148031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int x; 148131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Y coordinate of the view in the layout. 148231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 148331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int y; 148431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1485ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy /** 1486ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * The old X coordinate of this item, relative to its current parent. 1487ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * Used to animate the item into its new position. 1488ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy */ 1489ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy int oldX; 1490ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 1491ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy /** 1492ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * The old Y coordinate of this item, relative to its current parent. 1493ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * Used to animate the item into its new position. 1494ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy */ 1495ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy int oldY; 1496ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 149784f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy boolean dropped; 1498fcb9e7144e58614f5ae0e9b272fb7ce040848c67Romain Guy 149931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(Context c, AttributeSet attrs) { 150031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(c, attrs); 150131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellHSpan = 1; 150231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellVSpan = 1; 150331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 150431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 150531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(ViewGroup.LayoutParams source) { 150631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(source); 150731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellHSpan = 1; 150831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellVSpan = 1; 150931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1510aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1511aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public LayoutParams(LayoutParams source) { 1512aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung super(source); 1513aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellX = source.cellX; 1514aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellY = source.cellY; 1515aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellHSpan = source.cellHSpan; 1516aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellVSpan = source.cellVSpan; 1517aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1518aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 151931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(int cellX, int cellY, int cellHSpan, int cellVSpan) { 15208f19cdd62f6e2be05e3890916eabd11317ae1bc2Romain Guy super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); 152131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellX = cellX; 152231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellY = cellY; 152331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellHSpan = cellHSpan; 152431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellVSpan = cellVSpan; 152531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 152631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 152731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void setup(int cellWidth, int cellHeight, int widthGap, int heightGap, 152831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int hStartPadding, int vStartPadding) { 1529aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 153031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellHSpan = cellHSpan; 153131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellVSpan = cellVSpan; 153231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellX = cellX; 153331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellY = cellY; 1534aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 153531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project width = myCellHSpan * cellWidth + ((myCellHSpan - 1) * widthGap) - 153631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project leftMargin - rightMargin; 153731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project height = myCellVSpan * cellHeight + ((myCellVSpan - 1) * heightGap) - 153831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project topMargin - bottomMargin; 153931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 154031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project x = hStartPadding + myCellX * (cellWidth + widthGap) + leftMargin; 154131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project y = vStartPadding + myCellY * (cellHeight + heightGap) + topMargin; 154231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1543aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1544aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public String toString() { 1545aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return "(" + this.cellX + ", " + this.cellY + ")"; 1546aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 154731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 154831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 15490280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // This class stores info for two purposes: 15500280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // 1. When dragging items (mDragInfo in Workspace), we store the View, its cellX & cellY, 15510280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // its spanX, spanY, and the screen it is on 15520280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // 2. When long clicking on an empty cell in a CellLayout, we save information about the 15530280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // cellX and cellY coordinates and which page was clicked. We then set this as a tag on 15540280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // the CellLayout that was long clicked 155531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project static final class CellInfo implements ContextMenu.ContextMenuInfo { 155631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View cell; 1557a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka int cellX = -1; 1558a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka int cellY = -1; 155931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanX; 156031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanY; 156131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screen; 156231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean valid; 156331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 156431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 156531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public String toString() { 1566aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return "Cell[view=" + (cell == null ? "null" : cell.getClass()) 1567aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung + ", x=" + cellX + ", y=" + cellY + "]"; 156831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 156931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 157031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project} 1571