CellLayout.java revision 9987a5c45e7d01a780d73b269bdce8d8a5309219
131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project/* 231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * you may not use this file except in compliance with the License. 631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * You may obtain a copy of the License at 731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 1031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 1131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 1231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * See the License for the specific language governing permissions and 1431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * limitations under the License. 1531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 1631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 17a5902524d4403885eb4c50360bf3465c6be796efJoe Onoratopackage com.android.launcher2; 1831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 196569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroyimport com.android.launcher.R; 20aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 2100397b1d9233409d9d6b233b077ae12d09768ce8Chet Haaseimport android.animation.TimeInterpolator; 22de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.animation.ValueAnimator; 23de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.animation.ValueAnimator.AnimatorUpdateListener; 24aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.app.WallpaperManager; 2531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.Context; 2679e56263dbcbe85dc434df372bc6e6730aa13477Joe Onoratoimport android.content.res.Resources; 27aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.content.res.TypedArray; 28aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.graphics.Canvas; 29de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.graphics.Point; 30de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.graphics.PointF; 3131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Rect; 3231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.RectF; 336569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroyimport android.graphics.drawable.Drawable; 3431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.util.AttributeSet; 3531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ContextMenu; 3631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.MotionEvent; 3731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.View; 3831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewDebug; 3931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewGroup; 40aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.view.animation.Animation; 41150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chungimport android.view.animation.DecelerateInterpolator; 42aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.view.animation.LayoutAnimationController; 4331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 44f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohenpublic class CellLayout extends ViewGroup implements Dimmable { 45aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung static final String TAG = "CellLayout"; 46aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 4731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCellWidth; 4831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCellHeight; 49aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 50aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mLeftPadding; 51aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mRightPadding; 52aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mTopPadding; 53aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mBottomPadding; 54aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 55d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen private int mCountX; 56d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen private int mCountY; 5731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 5831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mWidthGap; 5931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mHeightGap; 6031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final Rect mRect = new Rect(); 628f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy private final RectF mRectF = new RectF(); 6331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final CellInfo mCellInfo = new CellInfo(); 64aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 65de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // These are temporary variables to prevent having to allocate a new object just to 66de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // return an (x, y) value from helper functions. Do NOT use them to maintain other state. 676569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy private final int[] mTmpCellXY = new int[2]; 68de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final int[] mTmpPoint = new int[2]; 69de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final PointF mTmpPointF = new PointF(); 706569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 7131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean[][] mOccupied; 7231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 73dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka private OnTouchListener mInterceptTouchListener; 74dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 755f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka private float mBackgroundAlpha; 76f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen 775f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka private Drawable mBackground; 78f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen private Drawable mBackgroundMini; 79f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen private Drawable mBackgroundMiniHover; 801262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy private Drawable mBackgroundHover; 811262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy 821262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy // If we're actively dragging something over this screen, mHover is true 83a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka private boolean mHover = false; 84dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 85de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final Point mDragCenter = new Point(); 866569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 876569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy private Drawable mDragRectDrawable; 886569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 89150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung // These arrays are used to implement the drag visualization on x-large screens. 90150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung // They are used as circular arrays, indexed by mDragRectCurrent. 91150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung private Rect[] mDragRects = new Rect[8]; 92150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung private int[] mDragRectAlphas = new int[mDragRects.length]; 93150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung private InterruptibleInOutAnimator[] mDragRectAnims = 94150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung new InterruptibleInOutAnimator[mDragRects.length]; 95150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 96150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung // Used as an index into the above 3 arrays; indicates which is the most current value. 97150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung private int mDragRectCurrent = 0; 98150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 99de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private Drawable mCrosshairsDrawable = null; 100de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private ValueAnimator mCrosshairsAnimator = null; 101de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private float mCrosshairsVisibility = 0.0f; 102de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 1036569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // When a drag operation is in progress, holds the nearest cell to the touch point 1046569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy private final int[] mDragCell = new int[2]; 10531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 106aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private final WallpaperManager mWallpaperManager; 10731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 10831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context) { 10931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, null); 11031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 11131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 11231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context, AttributeSet attrs) { 11331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, attrs, 0); 11431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 11531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 11631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context, AttributeSet attrs, int defStyle) { 11731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(context, attrs, defStyle); 1186569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1196569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // A ViewGroup usually does not draw, but CellLayout needs to draw a rectangle to show 1206569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // the user where a dragged item will land when dropped. 1216569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy setWillNotDraw(false); 122a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka 12331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CellLayout, defStyle, 0); 12431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 12531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellWidth = a.getDimensionPixelSize(R.styleable.CellLayout_cellWidth, 10); 12631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellHeight = a.getDimensionPixelSize(R.styleable.CellLayout_cellHeight, 10); 127aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 128d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mLeftPadding = 129d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_xAxisStartPadding, 10); 130d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mRightPadding = 131d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_xAxisEndPadding, 10); 132d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mTopPadding = 133d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_yAxisStartPadding, 10); 134d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mBottomPadding = 135d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_yAxisEndPadding, 10); 136aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 137d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mCountX = LauncherModel.getCellCountX(); 138d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mCountY = LauncherModel.getCellCountY(); 1390280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied = new boolean[mCountX][mCountY]; 14031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 14131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project a.recycle(); 14231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 14331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project setAlwaysDrawnWithCacheEnabled(false); 14431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 145de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mWallpaperManager = WallpaperManager.getInstance(context); 146de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 147046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final Resources res = getResources(); 148de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 149046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy if (LauncherApplication.isScreenXLarge()) { 150150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mBackgroundMini = res.getDrawable(R.drawable.mini_home_screen_bg); 151f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen mBackgroundMini.setFilterBitmap(true); 152150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mBackground = res.getDrawable(R.drawable.home_screen_bg); 153de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mBackground.setFilterBitmap(true); 154150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mBackgroundMiniHover = res.getDrawable(R.drawable.mini_home_screen_bg_hover); 155f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen mBackgroundMiniHover.setFilterBitmap(true); 1561262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy mBackgroundHover = res.getDrawable(R.drawable.home_screen_bg_hover); 1571262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy mBackgroundHover.setFilterBitmap(true); 158046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy } 159de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 160046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Initialize the data structures used for the drag visualization. 161150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 162046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy mDragRectDrawable = res.getDrawable(R.drawable.rounded_rect_green); 163046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy mCrosshairsDrawable = res.getDrawable(R.drawable.gardening_crosshairs); 16400397b1d9233409d9d6b233b077ae12d09768ce8Chet Haase TimeInterpolator interp = new DecelerateInterpolator(2.5f); // Quint ease out 165de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 166046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Set up the animation for fading the crosshairs in and out 167046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy int animDuration = res.getInteger(R.integer.config_crosshairsFadeInTime); 168046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy mCrosshairsAnimator = new ValueAnimator<Float>(animDuration); 169046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy mCrosshairsAnimator.addUpdateListener(new AnimatorUpdateListener() { 170046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy public void onAnimationUpdate(ValueAnimator animation) { 171046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy mCrosshairsVisibility = ((Float) animation.getAnimatedValue()).floatValue(); 172046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy CellLayout.this.invalidate(); 173046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy } 174046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy }); 175046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy mCrosshairsAnimator.setInterpolator(interp); 176046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy 177046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy for (int i = 0; i < mDragRects.length; i++) { 178046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy mDragRects[i] = new Rect(); 179046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy } 180046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy 181046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // When dragging things around the home screens, we show a green outline of 182046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // where the item will land. The outlines gradually fade out, leaving a trail 183046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // behind the drag path. 184046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Set up all the animations that are used to implement this fading. 185046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final int duration = res.getInteger(R.integer.config_dragOutlineFadeTime); 186046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final int fromAlphaValue = 0; 187046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final int toAlphaValue = res.getInteger(R.integer.config_dragOutlineMaxAlpha); 188046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy for (int i = 0; i < mDragRectAnims.length; i++) { 189046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final InterruptibleInOutAnimator anim = 190046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy new InterruptibleInOutAnimator(duration, fromAlphaValue, toAlphaValue); 191046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy anim.setInterpolator(interp); 192046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final int thisIndex = i; 193046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy anim.addUpdateListener(new AnimatorUpdateListener() { 194de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy public void onAnimationUpdate(ValueAnimator animation) { 195046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy mDragRectAlphas[thisIndex] = (Integer) animation.getAnimatedValue(); 196046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy CellLayout.this.invalidate(mDragRects[thisIndex]); 197de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 198de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy }); 199046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy mDragRectAnims[i] = anim; 200de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 201a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy } 202a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy 203a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka public void setHover(boolean value) { 204a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka if (mHover != value) { 205a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka invalidate(); 206a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 207a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka mHover = value; 208a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 209a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka 210de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private void animateCrosshairsTo(float value) { 211de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final ValueAnimator anim = mCrosshairsAnimator; 212de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy long fullDuration = getResources().getInteger(R.integer.config_crosshairsFadeInTime); 213de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy anim.setDuration(fullDuration - anim.getCurrentPlayTime()); 214de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy anim.setValues(mCrosshairsVisibility, value); 215de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy anim.cancel(); 216de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy anim.start(); 217de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 218de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 2191262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy public void drawChildren(Canvas canvas) { 2201262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy super.dispatchDraw(canvas); 2211262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy } 2221262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy 223a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy @Override 2241262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy protected void onDraw(Canvas canvas) { 2255f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka if (mBackgroundAlpha > 0.0f) { 226f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen Drawable bg; 2271262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy if (getScaleX() < 0.5f) { 2281262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy bg = mHover ? mBackgroundMiniHover : mBackgroundMini; 229f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } else { 2301262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy bg = mHover ? mBackgroundHover : mBackground; 231f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 2329c4949e12c909d5e01d24386147b1c528015b31bAdam Cohen if (bg != null) { 2339c4949e12c909d5e01d24386147b1c528015b31bAdam Cohen bg.setAlpha((int) (mBackgroundAlpha * 255)); 2349c4949e12c909d5e01d24386147b1c528015b31bAdam Cohen bg.draw(canvas); 2359c4949e12c909d5e01d24386147b1c528015b31bAdam Cohen } 236a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 23731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 238de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (mCrosshairsVisibility > 0.0f) { 239de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countX = mCountX; 240de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countY = mCountY; 241de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 242de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final float MAX_ALPHA = 0.4f; 243de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int MAX_VISIBLE_DISTANCE = 600; 244de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final float DISTANCE_MULTIPLIER = 0.002f; 245de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 246de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final Drawable d = mCrosshairsDrawable; 247de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int width = d.getIntrinsicWidth(); 248de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int height = d.getIntrinsicHeight(); 249de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 250de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int x = getLeftPadding() - (mWidthGap / 2) - (width / 2); 251de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int col = 0; col <= countX; col++) { 252de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int y = getTopPadding() - (mHeightGap / 2) - (height / 2); 253de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int row = 0; row <= countY; row++) { 254de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mTmpPointF.set(x - mDragCenter.x, y - mDragCenter.y); 255de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy float dist = mTmpPointF.length(); 256de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // Crosshairs further from the drag point are more faint 257de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy float alpha = Math.min(MAX_ALPHA, 258de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy DISTANCE_MULTIPLIER * (MAX_VISIBLE_DISTANCE - dist)); 259de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (alpha > 0.0f) { 260de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.setBounds(x, y, x + width, y + height); 261de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.setAlpha((int) (alpha * 255 * mCrosshairsVisibility)); 262de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.draw(canvas); 263de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 264de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy y += mCellHeight + mHeightGap; 265de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 266de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy x += mCellWidth + mWidthGap; 267de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 268150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 269150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung for (int i = 0; i < mDragRects.length; i++) { 270150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung int alpha = mDragRectAlphas[i]; 271150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung if (alpha > 0) { 272150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mDragRectDrawable.setAlpha(alpha); 273150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mDragRectDrawable.setBounds(mDragRects[i]); 274150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mDragRectDrawable.draw(canvas); 275150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung } 276150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung } 2776569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 2786569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 2796569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 280f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen public void setDimmableProgress(float progress) { 281f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen for (int i = 0; i < getChildCount(); i++) { 282f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen Dimmable d = (Dimmable) getChildAt(i); 283f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen d.setDimmableProgress(progress); 284f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 285f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 286f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen 287f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen public float getDimmableProgress() { 288f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen if (getChildCount() > 0) { 289f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen return ((Dimmable) getChildAt(0)).getDimmableProgress(); 290f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 291f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen return 0.0f; 292f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 293f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen 2946569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy @Override 29583f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey public void cancelLongPress() { 29683f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey super.cancelLongPress(); 29783f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey 29883f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey // Cancel long press for all children 29983f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey final int count = getChildCount(); 30083f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey for (int i = 0; i < count; i++) { 30183f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey final View child = getChildAt(i); 30283f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey child.cancelLongPress(); 30383f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey } 30483f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey } 30583f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey 306dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka public void setOnInterceptTouchListener(View.OnTouchListener listener) { 307dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka mInterceptTouchListener = listener; 308dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 309dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 31031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCountX() { 311d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen return mCountX; 31231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 31331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 31431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCountY() { 315d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen return mCountY; 31631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 31731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 318aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public boolean addViewToCellLayout(View child, int index, int childId, LayoutParams params) { 319aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final LayoutParams lp = params; 320aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 32131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Generate an id for each view, this assumes we have at most 256x256 cells 32231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // per workspace screen 323d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellX >= 0 && lp.cellX <= mCountX - 1 && lp.cellY >= 0 && lp.cellY <= mCountY - 1) { 324aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // If the horizontal or vertical span is set to -1, it is taken to 325aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // mean that it spans the extent of the CellLayout 326d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellHSpan < 0) lp.cellHSpan = mCountX; 327d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellVSpan < 0) lp.cellVSpan = mCountY; 328aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 329aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung child.setId(childId); 33031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 331dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka // We might be in the middle or end of shrinking/fading to a dimmed view 332dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka // Make sure this view's alpha is set the same as all the rest of the views 3335f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka child.setAlpha(getAlpha()); 334aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung addView(child, index, lp); 335dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 3360280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsOccupiedForView(child); 3370280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 338aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return true; 339aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 340aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return false; 34131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 34231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 34331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 3440280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeAllViews() { 3450280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka clearOccupiedCells(); 3460280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 3470280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 3480280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 3490280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeAllViewsInLayout() { 3500280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka clearOccupiedCells(); 3510280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 3520280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 3530280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 3540280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeView(View view) { 3550280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 3560280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeView(view); 3570280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 3580280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 3590280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 3600280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewAt(int index) { 3610280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(getChildAt(index)); 3620280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViewAt(index); 3630280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 3640280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 3650280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 3660280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewInLayout(View view) { 3670280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 3680280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViewInLayout(view); 3690280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 3700280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 3710280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 3720280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViews(int start, int count) { 3730280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = start; i < start + count; i++) { 3740280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(getChildAt(i)); 3750280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 3760280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViews(start, count); 3770280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 3780280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 3790280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 3800280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewsInLayout(int start, int count) { 3810280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = start; i < start + count; i++) { 3820280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(getChildAt(i)); 3830280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 3840280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViewsInLayout(start, count); 3850280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 3860280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 3870280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 38831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void requestChildFocus(View child, View focused) { 38931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.requestChildFocus(child, focused); 39031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child != null) { 39131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Rect r = new Rect(); 39231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.getDrawingRect(r); 39331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project requestRectangleOnScreen(r); 39431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 39531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 39631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 39731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 39831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onAttachedToWindow() { 39931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onAttachedToWindow(); 40031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellInfo.screen = ((ViewGroup) getParent()).indexOfChild(this); 40131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 40231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 403af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka public void setTagToCellInfoForPoint(int touchX, int touchY) { 40431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellInfo cellInfo = mCellInfo; 405af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final Rect frame = mRect; 406af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int x = touchX + mScrollX; 407af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int y = touchY + mScrollY; 408af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int count = getChildCount(); 40931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 410af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka boolean found = false; 411af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka for (int i = count - 1; i >= 0; i--) { 412af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final View child = getChildAt(i); 413af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka 414af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if ((child.getVisibility()) == VISIBLE || child.getAnimation() != null) { 415af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka child.getHitRect(frame); 416af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (frame.contains(x, y)) { 417af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final LayoutParams lp = (LayoutParams) child.getLayoutParams(); 418af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cell = child; 419af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellX = lp.cellX; 420af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellY = lp.cellY; 421af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanX = lp.cellHSpan; 422af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanY = lp.cellVSpan; 423af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.valid = true; 424af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka found = true; 425af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka break; 42631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 42731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 428af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 429aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 430af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (!found) { 4316569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy final int cellXY[] = mTmpCellXY; 432af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka pointToCellExact(x, y, cellXY); 43331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 434af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cell = null; 435af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellX = cellXY[0]; 436af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellY = cellXY[1]; 437af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanX = 1; 438af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanY = 1; 4390280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellInfo.valid = cellXY[0] >= 0 && cellXY[1] >= 0 && cellXY[0] < mCountX && 4400280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[1] < mCountY && !mOccupied[cellXY[0]][cellXY[1]]; 441af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 442af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka setTag(cellInfo); 443af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 44431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 445aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 446af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka @Override 447af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka public boolean onInterceptTouchEvent(MotionEvent ev) { 448dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka if (mInterceptTouchListener != null && mInterceptTouchListener.onTouch(this, ev)) { 449dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka return true; 450dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 451af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int action = ev.getAction(); 452af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final CellInfo cellInfo = mCellInfo; 45331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 454af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (action == MotionEvent.ACTION_DOWN) { 455af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka setTagToCellInfoForPoint((int) ev.getX(), (int) ev.getY()); 45631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (action == MotionEvent.ACTION_UP) { 45731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.cell = null; 45831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.cellX = -1; 45931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.cellY = -1; 46031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.spanX = 0; 46131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.spanY = 0; 46231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.valid = false; 46331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project setTag(cellInfo); 46431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 46531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 46631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 46731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 46831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 46931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 47031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellInfo getTag() { 4710280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return (CellInfo) super.getTag(); 47231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 47331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 4746569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 4756569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * Check if the row 'y' is empty from columns 'left' to 'right', inclusive. 4766569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 47731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private static boolean isRowEmpty(int y, int left, int right, boolean[][] occupied) { 47831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int x = left; x <= right; x++) { 47931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (occupied[x][y]) { 48031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 48131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 48231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 48331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 48431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 48531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 48631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 487aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Given a point, return the cell that strictly encloses that point 48831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x X coordinate of the point 48931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y Y coordinate of the point 49031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the cell 49131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 49231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void pointToCellExact(int x, int y, int[] result) { 493aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int hStartPadding = getLeftPadding(); 494aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int vStartPadding = getTopPadding(); 49531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 49631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[0] = (x - hStartPadding) / (mCellWidth + mWidthGap); 49731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[1] = (y - vStartPadding) / (mCellHeight + mHeightGap); 49831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 499d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int xAxis = mCountX; 500d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int yAxis = mCountY; 50131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 50231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[0] < 0) result[0] = 0; 50331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[0] >= xAxis) result[0] = xAxis - 1; 50431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[1] < 0) result[1] = 0; 50531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[1] >= yAxis) result[1] = yAxis - 1; 50631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 507aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 50831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 50931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Given a point, return the cell that most closely encloses that point 51031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x X coordinate of the point 51131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y Y coordinate of the point 51231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the cell 51331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 51431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void pointToCellRounded(int x, int y, int[] result) { 51531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project pointToCellExact(x + (mCellWidth / 2), y + (mCellHeight / 2), result); 51631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 51731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 51831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 51931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Given a cell coordinate, return the point that represents the upper left corner of that cell 520aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 521aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * @param cellX X coordinate of the cell 52231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellY Y coordinate of the cell 523aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 52431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the point 52531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 52631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void cellToPoint(int cellX, int cellY, int[] result) { 527aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int hStartPadding = getLeftPadding(); 528aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int vStartPadding = getTopPadding(); 52931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 53031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[0] = hStartPadding + cellX * (mCellWidth + mWidthGap); 53131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[1] = vStartPadding + cellY * (mCellHeight + mHeightGap); 53231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 53331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 53484f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy int getCellWidth() { 53584f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy return mCellWidth; 53684f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 53784f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 53884f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy int getCellHeight() { 53984f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy return mCellHeight; 54084f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 54184f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 5421a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getLeftPadding() { 543aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mLeftPadding; 5441a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 5451a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 5461a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getTopPadding() { 547aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mTopPadding; 5481a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 5491a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 5501a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getRightPadding() { 551aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mRightPadding; 5521a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 5531a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 5541a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getBottomPadding() { 555aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mBottomPadding; 5561a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 5571a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 55831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 55931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 56031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // TODO: currently ignoring padding 561aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 56231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec); 563aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec); 564aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 56531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec); 56631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int heightSpecSize = MeasureSpec.getSize(heightMeasureSpec); 567aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 56831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (widthSpecMode == MeasureSpec.UNSPECIFIED || heightSpecMode == MeasureSpec.UNSPECIFIED) { 56931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new RuntimeException("CellLayout cannot have UNSPECIFIED dimensions"); 57031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 57131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 57231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellWidth = mCellWidth; 57331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellHeight = mCellHeight; 57431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 575d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen int numWidthGaps = mCountX - 1; 576d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen int numHeightGaps = mCountY - 1; 577d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen 5780280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int vSpaceLeft = heightSpecSize - mTopPadding - mBottomPadding - (cellHeight * mCountY); 579d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mHeightGap = vSpaceLeft / numHeightGaps; 580d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen 5810280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int hSpaceLeft = widthSpecSize - mLeftPadding - mRightPadding - (cellWidth * mCountX); 582d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mWidthGap = hSpaceLeft / numWidthGaps; 583aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 5845f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // center it around the min gaps 5855f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka int minGap = Math.min(mWidthGap, mHeightGap); 5865f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka mWidthGap = mHeightGap = minGap; 5875f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 58831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = getChildCount(); 58931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 59031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 59131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = getChildAt(i); 59231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LayoutParams lp = (LayoutParams) child.getLayoutParams(); 593aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung lp.setup(cellWidth, cellHeight, mWidthGap, mHeightGap, 594aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung mLeftPadding, mTopPadding); 595aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 5960280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int childWidthMeasureSpec = MeasureSpec.makeMeasureSpec(lp.width, MeasureSpec.EXACTLY); 597aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung int childheightMeasureSpec = MeasureSpec.makeMeasureSpec(lp.height, 598aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung MeasureSpec.EXACTLY); 59931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 60031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.measure(childWidthMeasureSpec, childheightMeasureSpec); 60131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 6025f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka if (widthSpecMode == MeasureSpec.AT_MOST) { 6035f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka int newWidth = mLeftPadding + mRightPadding + (mCountX * cellWidth) + 6045f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka ((mCountX - 1) * minGap); 6055f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka int newHeight = mTopPadding + mBottomPadding + (mCountY * cellHeight) + 6065f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka ((mCountY - 1) * minGap); 6075f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka setMeasuredDimension(newWidth, newHeight); 6085f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } else if (widthSpecMode == MeasureSpec.EXACTLY) { 6095f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka setMeasuredDimension(widthSpecSize, heightSpecSize); 6105f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } 61131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 61231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 61331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 61428750fba6a2d141eb9a1e566718c17236030b815Michael Jurka protected void onLayout(boolean changed, int l, int t, int r, int b) { 61531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = getChildCount(); 61631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 61731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 61831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = getChildAt(i); 61931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child.getVisibility() != GONE) { 62031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 62131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 62231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 62331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int childLeft = lp.x; 62431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int childTop = lp.y; 62531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.layout(childLeft, childTop, childLeft + lp.width, childTop + lp.height); 62684f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 62784f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy if (lp.dropped) { 62884f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy lp.dropped = false; 62984f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 6306569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy final int[] cellXY = mTmpCellXY; 63106762ab54d64e84328d427403bb6074dfd0f630cRomain Guy getLocationOnScreen(cellXY); 63284f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy mWallpaperManager.sendWallpaperCommand(getWindowToken(), "android.home.drop", 63306762ab54d64e84328d427403bb6074dfd0f630cRomain Guy cellXY[0] + childLeft + lp.width / 2, 63406762ab54d64e84328d427403bb6074dfd0f630cRomain Guy cellXY[1] + childTop + lp.height / 2, 0, null); 63584f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 63631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 63731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 63831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 63931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 64031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 641dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka protected void onSizeChanged(int w, int h, int oldw, int oldh) { 642dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka super.onSizeChanged(w, h, oldw, oldh); 6435f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka if (mBackground != null) { 6441262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy mBackground.setBounds(0, 0, w, h); 6451262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy } 6461262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy if (mBackgroundHover != null) { 6471262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy mBackgroundHover.setBounds(0, 0, w, h); 648a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 649f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen if (mBackgroundMiniHover != null) { 6501262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy mBackgroundMiniHover.setBounds(0, 0, w, h); 651f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 652f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen if (mBackgroundMini != null) { 6531262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy mBackgroundMini.setBounds(0, 0, w, h); 654a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 655dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 656dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 657dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka @Override 65831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void setChildrenDrawingCacheEnabled(boolean enabled) { 65931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 66031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 66131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View view = getChildAt(i); 66231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view.setDrawingCacheEnabled(enabled); 66331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Update the drawing caches 664fefa0ce22af9560f1c0f8c84c760c75f34b7b12cAdam Powell view.buildDrawingCache(true); 66531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 66631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 66731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 66831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 66931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void setChildrenDrawnWithCacheEnabled(boolean enabled) { 67031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.setChildrenDrawnWithCacheEnabled(enabled); 67131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 67231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6735f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public float getBackgroundAlpha() { 6745f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka return mBackgroundAlpha; 675dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 676dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 6775f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public void setBackgroundAlpha(float alpha) { 6785f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka mBackgroundAlpha = alpha; 6790142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka invalidate(); 680dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 681dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 6825f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // Need to return true to let the view system know we know how to handle alpha-- this is 6835f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // because when our children have an alpha of 0.0f, they are still rendering their "dimmed" 6845f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // versions 6855f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka @Override 6865f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka protected boolean onSetAlpha(int alpha) { 6875f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka return true; 6885f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } 6895f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 6905f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public void setAlpha(float alpha) { 6915f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka setChildrenAlpha(alpha); 6925f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka super.setAlpha(alpha); 6935f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } 6945f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 695dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka private void setChildrenAlpha(float alpha) { 6960142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka final int childCount = getChildCount(); 6970142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka for (int i = 0; i < childCount; i++) { 698dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka getChildAt(i).setAlpha(alpha); 699dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 700dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 701dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 7020280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private boolean isVacantIgnoring( 7030280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int originX, int originY, int spanX, int spanY, View ignoreView) { 7040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (ignoreView != null) { 7050280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(ignoreView); 7060280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 70728750fba6a2d141eb9a1e566718c17236030b815Michael Jurka boolean isVacant = true; 7086569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy for (int i = 0; i < spanY; i++) { 7096569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (!isRowEmpty(originY + i, originX, originX + spanX - 1, mOccupied)) { 71028750fba6a2d141eb9a1e566718c17236030b815Michael Jurka isVacant = false; 71128750fba6a2d141eb9a1e566718c17236030b815Michael Jurka break; 7126569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 7136569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 7140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (ignoreView != null) { 7150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsOccupiedForView(ignoreView); 7160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 71728750fba6a2d141eb9a1e566718c17236030b815Michael Jurka return isVacant; 7186569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 7196569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 7200280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private boolean isVacant(int originX, int originY, int spanX, int spanY) { 7210280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return isVacantIgnoring(originX, originY, spanX, spanY, null); 7220280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 7230280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 724440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy public View getChildAt(int x, int y) { 725440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy final int count = getChildCount(); 726440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy for (int i = 0; i < count; i++) { 727440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy View child = getChildAt(i); 728440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy LayoutParams lp = (LayoutParams) child.getLayoutParams(); 729440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy 730440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy if ((lp.cellX <= x) && (x < lp.cellX + lp.cellHSpan) && 731440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy (lp.cellY <= y) && (y < lp.cellY + lp.cellHSpan)) { 732440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy return child; 733440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy } 734440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy } 735440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy return null; 736440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy } 737440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy 7386569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 7398f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy * Estimate the size that a child with the given dimensions will take in the layout. 7408f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy */ 7418f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy void estimateChildSize(int minWidth, int minHeight, int[] result) { 7428f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy // Assuming it's placed at 0, 0, find where the bottom right cell will land 7438f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy rectToCell(minWidth, minHeight, result); 7448f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy 7458f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy // Then figure out the rect it will occupy 7468f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy cellToRect(0, 0, result[0], result[1], mRectF); 7478f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[0] = (int)mRectF.width(); 7488f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[1] = (int)mRectF.height(); 7498f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy } 7508f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy 7518f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy /** 7526569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * Estimate where the top left cell of the dragged item will land if it is dropped. 7536569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * 7546569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param originX The X value of the top left corner of the item 7556569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param originY The Y value of the top left corner of the item 7566569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param spanX The number of horizontal cells that the item spans 7576569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param spanY The number of vertical cells that the item spans 7586569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param result The estimated drop cell X and Y. 7596569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 7606569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy void estimateDropCell(int originX, int originY, int spanX, int spanY, int[] result) { 761d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int countX = mCountX; 762d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int countY = mCountY; 7636569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 764a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka // pointToCellRounded takes the top left of a cell but will pad that with 765a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka // cellWidth/2 and cellHeight/2 when finding the matching cell 766a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka pointToCellRounded(originX, originY, result); 7676569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 7686569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // If the item isn't fully on this screen, snap to the edges 7696569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy int rightOverhang = result[0] + spanX - countX; 7706569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (rightOverhang > 0) { 7716569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[0] -= rightOverhang; // Snap to right 7726569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 7736569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[0] = Math.max(0, result[0]); // Snap to left 7746569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy int bottomOverhang = result[1] + spanY - countY; 7756569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (bottomOverhang > 0) { 7766569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[1] -= bottomOverhang; // Snap to bottom 7776569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 7786569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[1] = Math.max(0, result[1]); // Snap to top 7796569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 7806569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 781de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy void visualizeDropLocation(View view, int originX, int originY, int spanX, int spanY) { 782de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int[] nearest = findNearestVacantArea(originX, originY, spanX, spanY, view, mDragCell); 783de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mDragCenter.set(originX + (view.getWidth() / 2), originY + (view.getHeight() / 2)); 7846569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 785de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (nearest != null) { 7866569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // Find the top left corner of the rect the object will occupy 787de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int[] topLeft = mTmpPoint; 788de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy cellToPoint(nearest[0], nearest[1], topLeft); 789de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 790de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // Need to copy these, because the next call to cellToPoint will overwrite them 7916569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy final int left = topLeft[0]; 7926569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy final int top = topLeft[1]; 7936569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 794150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung final Rect dragRect = mDragRects[mDragRectCurrent]; 795150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 796150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung if (dragRect.isEmpty() || left != dragRect.left || top != dragRect.top) { 797150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung // Now find the bottom right 798150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung final int[] bottomRight = mTmpPoint; 799150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung cellToPoint(nearest[0] + spanX - 1, nearest[1] + spanY - 1, bottomRight); 800150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung bottomRight[0] += mCellWidth; 801150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung bottomRight[1] += mCellHeight; 802150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 803150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung final int oldIndex = mDragRectCurrent; 804150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mDragRectCurrent = (oldIndex + 1) % mDragRects.length; 805150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 806150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mDragRects[mDragRectCurrent].set(left, top, bottomRight[0], bottomRight[1]); 807150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 808150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mDragRectAnims[oldIndex].animateOut(); 809150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mDragRectAnims[mDragRectCurrent].animateIn(); 810150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung } 8116569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 8126569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 8136569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 81431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 81570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Find a vacant area that will fit the given bounds nearest the requested 81670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * cell location. Uses Euclidean distance to score multiple vacant areas. 817aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 81851afc022fa76c79f0d1ece470ddc126c08fea8a4Romain Guy * @param pixelX The X location at which you want to search for a vacant area. 81951afc022fa76c79f0d1ece470ddc126c08fea8a4Romain Guy * @param pixelY The Y location at which you want to search for a vacant area. 82070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @param spanX Horizontal span of the object. 82170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @param spanY Vertical span of the object. 822de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * @param result Array in which to place the result, or null (in which case a new array will 823de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * be allocated) 82470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @return The X, Y cell of a vacant area that can contain this object, 82570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * nearest the requested location. 82631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 8276a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka int[] findNearestVacantArea( 828de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int pixelX, int pixelY, int spanX, int spanY, int[] result) { 829de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy return findNearestVacantArea(pixelX, pixelY, spanX, spanY, null, result); 8306a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka } 831aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 8326a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka /** 8336a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * Find a vacant area that will fit the given bounds nearest the requested 8346a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * cell location. Uses Euclidean distance to score multiple vacant areas. 8356a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * 8366a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param pixelX The X location at which you want to search for a vacant area. 8376a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param pixelY The Y location at which you want to search for a vacant area. 8386a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param spanX Horizontal span of the object. 8396a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param spanY Vertical span of the object. 8406a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param ignoreView Considers space occupied by this view as unoccupied 841de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * @param result Previously returned value to possibly recycle. 8426a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @return The X, Y cell of a vacant area that can contain this object, 8436a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * nearest the requested location. 8446a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka */ 8456a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka int[] findNearestVacantArea( 846de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int pixelX, int pixelY, int spanX, int spanY, View ignoreView, int[] result) { 847c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // mark space take by ignoreView as available (method checks if ignoreView is null) 848c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsUnoccupiedForView(ignoreView); 849c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka 85070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Keep track of best-scoring drop area 851de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int[] bestXY = result != null ? result : new int[2]; 85270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey double bestDistance = Double.MAX_VALUE; 853aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 854de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countX = mCountX; 855de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countY = mCountY; 856de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final boolean[][] occupied = mOccupied; 857de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 858de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int x = 0; x < countX - (spanX - 1); x++) { 859c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka inner: 860de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int y = 0; y < countY - (spanY - 1); y++) { 861c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka for (int i = 0; i < spanX; i++) { 862c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka for (int j = 0; j < spanY; j++) { 863de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (occupied[x + i][y + j]) { 864c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka // small optimization: we can skip to below the row we just found 865c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka // an occupied cell 866c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka y += j; 867c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka continue inner; 868c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 869c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 870c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 871c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka final int[] cellXY = mTmpCellXY; 872c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka cellToPoint(x, y, cellXY); 873c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka 874c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka double distance = Math.sqrt(Math.pow(cellXY[0] - pixelX, 2) 875c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka + Math.pow(cellXY[1] - pixelY, 2)); 876c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka if (distance <= bestDistance) { 877c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestDistance = distance; 878c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestXY[0] = x; 879c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestXY[1] = y; 880c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 88131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 88231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 883c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // re-mark space taken by ignoreView as occupied 884c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsOccupiedForView(ignoreView); 88531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 886aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // Return null if no suitable location found 88770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey if (bestDistance < Double.MAX_VALUE) { 88870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return bestXY; 88970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } else { 89070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return null; 89170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 89231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 893aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 8940280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean existsEmptyCell() { 8950280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpan(null, 1, 1); 8960280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 8970280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 8980280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 8990280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Finds the upper-left coordinate of the first rectangle in the grid that can 9000280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * hold a cell of the specified dimensions. If intersectX and intersectY are not -1, 9010280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * then this method will only return coordinates for rectangles that contain the cell 9020280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * (intersectX, intersectY) 9030280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 9040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param cellXY The array that will contain the position of a vacant cell if such a cell 9050280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * can be found. 9060280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 9070280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 9080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 9090280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return True if a vacant cell of the specified dimension was found, false otherwise. 9100280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 9110280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpan(int[] cellXY, int spanX, int spanY) { 9120280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring(cellXY, spanX, spanY, -1, -1, null); 9130280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 9140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 9150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 9160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Like above, but ignores any cells occupied by the item "ignoreView" 9170280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 9180280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param cellXY The array that will contain the position of a vacant cell if such a cell 9190280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * can be found. 9200280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 9210280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 9220280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param ignoreView The home screen item we should treat as not occupying any space 9230280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return 9240280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 9250280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanIgnoring(int[] cellXY, int spanX, int spanY, View ignoreView) { 9260280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring(cellXY, spanX, spanY, -1, -1, ignoreView); 9270280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 9280280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 9290280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 9300280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Like above, but if intersectX and intersectY are not -1, then this method will try to 9310280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * return coordinates for rectangles that contain the cell [intersectX, intersectY] 9320280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 9330280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 9340280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 9350280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param ignoreView The home screen item we should treat as not occupying any space 9360280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param intersectX The X coordinate of the cell that we should try to overlap 9370280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param intersectX The Y coordinate of the cell that we should try to overlap 9380280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 9390280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return True if a vacant cell of the specified dimension was found, false otherwise. 9400280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 9410280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanThatIntersects(int[] cellXY, int spanX, int spanY, 9420280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int intersectX, int intersectY) { 9430280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring( 9440280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY, spanX, spanY, intersectX, intersectY, null); 9450280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 9460280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 9470280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 9480280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * The superset of the above two methods 9490280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 9500280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanThatIntersectsIgnoring(int[] cellXY, int spanX, int spanY, 9510280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int intersectX, int intersectY, View ignoreView) { 952c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // mark space take by ignoreView as available (method checks if ignoreView is null) 953c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsUnoccupiedForView(ignoreView); 9540280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 95528750fba6a2d141eb9a1e566718c17236030b815Michael Jurka boolean foundCell = false; 9560280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka while (true) { 9570280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int startX = 0; 9580280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX >= 0) { 9590280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka startX = Math.max(startX, intersectX - (spanX - 1)); 9600280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 9610280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int endX = mCountX - (spanX - 1); 9620280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX >= 0) { 9630280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka endX = Math.min(endX, intersectX + (spanX - 1) + (spanX == 1 ? 1 : 0)); 9640280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 9650280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int startY = 0; 9660280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectY >= 0) { 9670280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka startY = Math.max(startY, intersectY - (spanY - 1)); 9680280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 9690280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int endY = mCountY - (spanY - 1); 9700280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectY >= 0) { 9710280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka endY = Math.min(endY, intersectY + (spanY - 1) + (spanY == 1 ? 1 : 0)); 9720280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 9730280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 9740280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = startX; x < endX; x++) { 9750280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka inner: 9760280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = startY; y < endY; y++) { 9770280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = 0; i < spanX; i++) { 9780280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int j = 0; j < spanY; j++) { 9790280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (mOccupied[x + i][y + j]) { 9800280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // small optimization: we can skip to below the row we just found 9810280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // an occupied cell 9820280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka y += j; 9830280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka continue inner; 9840280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 9850280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 9860280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 9870280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (cellXY != null) { 9880280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[0] = x; 9890280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[1] = y; 9900280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 99128750fba6a2d141eb9a1e566718c17236030b815Michael Jurka foundCell = true; 99228750fba6a2d141eb9a1e566718c17236030b815Michael Jurka break; 9930280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 9940280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 9950280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX == -1 && intersectY == -1) { 9960280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka break; 9970280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } else { 9980280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // if we failed to find anything, try again but without any requirements of 9990280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // intersecting 10000280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka intersectX = -1; 10010280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka intersectY = -1; 10020280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka continue; 10030280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10050280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 1006c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // re-mark space taken by ignoreView as occupied 1007c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsOccupiedForView(ignoreView); 100828750fba6a2d141eb9a1e566718c17236030b815Michael Jurka return foundCell; 10090280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10100280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 101131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 10120280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Called when drag has left this CellLayout or has been completed (successfully or not) 10136569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 10140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka void onDragExit() { 10156569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // Invalidate the drag data 10166569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy mDragCell[0] = -1; 10176569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy mDragCell[1] = -1; 10186569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1019a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka setHover(false); 1020de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 1021de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // Fade out the drag indicators 1022de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (mCrosshairsAnimator != null) { 1023de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy animateCrosshairsTo(0.0f); 1024de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 1025150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 1026150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mDragRectAnims[mDragRectCurrent].animateOut(); 1027150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mDragRectCurrent = (mDragRectCurrent + 1) % mDragRects.length; 1028150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mDragRects[mDragRectCurrent].setEmpty(); 10296569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 10306569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 10316569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 1032aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Mark a child as having been dropped. 1033de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * At the beginning of the drag operation, the child may have been on another 1034de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * screen, but it is reparented before this method is called. 103531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 103631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child that is being dropped 103731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 1038aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung void onDropChild(View child) { 1039d94533d04a5f8f5485f106d10af60169857ea899Romain Guy if (child != null) { 1040d94533d04a5f8f5485f106d10af60169857ea899Romain Guy LayoutParams lp = (LayoutParams) child.getLayoutParams(); 1041d94533d04a5f8f5485f106d10af60169857ea899Romain Guy lp.isDragging = false; 104284f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy lp.dropped = true; 1043d94533d04a5f8f5485f106d10af60169857ea899Romain Guy child.requestLayout(); 1044d94533d04a5f8f5485f106d10af60169857ea899Romain Guy } 10450280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka onDragExit(); 104631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 104731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 104831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void onDropAborted(View child) { 104931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child != null) { 105031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ((LayoutParams) child.getLayoutParams()).isDragging = false; 105131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 10520280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka onDragExit(); 105331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 105431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 105531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 105631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Start dragging the specified child 1057aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 105831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child that is being dragged 105931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 106031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void onDragChild(View child) { 106131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LayoutParams lp = (LayoutParams) child.getLayoutParams(); 106231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.isDragging = true; 1063de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 1064de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 1065de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy /** 1066de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * A drag event has begun over this layout. 1067de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * It may have begun over this layout (in which case onDragChild is called first), 1068de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * or it may have begun on another layout. 1069de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy */ 1070de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy void onDragEnter(View dragView) { 1071de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // Fade in the drag indicators 1072de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (mCrosshairsAnimator != null) { 1073de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy animateCrosshairsTo(1.0f); 1074de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 107531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1076aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 107731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 107831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Computes a bounding rectangle for a range of cells 1079aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 108031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellX X coordinate of upper left corner expressed as a cell position 108131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellY Y coordinate of upper left corner expressed as a cell position 1082aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * @param cellHSpan Width in cells 108331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellVSpan Height in cells 10846569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param resultRect Rect into which to put the results 108531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 10866569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy public void cellToRect(int cellX, int cellY, int cellHSpan, int cellVSpan, RectF resultRect) { 108731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellWidth = mCellWidth; 108831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellHeight = mCellHeight; 108931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int widthGap = mWidthGap; 109031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int heightGap = mHeightGap; 1091aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1092aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int hStartPadding = getLeftPadding(); 1093aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int vStartPadding = getTopPadding(); 1094aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 109531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int width = cellHSpan * cellWidth + ((cellHSpan - 1) * widthGap); 109631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int height = cellVSpan * cellHeight + ((cellVSpan - 1) * heightGap); 109731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 109831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int x = hStartPadding + cellX * (cellWidth + widthGap); 109931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int y = vStartPadding + cellY * (cellHeight + heightGap); 1100aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 11016569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy resultRect.set(x, y, x + width, y + height); 110231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1103aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 110431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 1105aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Computes the required horizontal and vertical cell spans to always 110631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * fit the given rectangle. 1107aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 110831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param width Width in pixels 110931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param height Height in pixels 11108f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy * @param result An array of length 2 in which to store the result (may be null). 111131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 11128f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy public int[] rectToCell(int width, int height, int[] result) { 11139987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka return rectToCell(getResources(), width, height, result); 11149987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka } 11159987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka 11169987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka public static int[] rectToCell(Resources resources, int width, int height, int[] result) { 111731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Always assume we're working with the smallest span to make sure we 111831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // reserve enough space in both orientations. 111979e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato int actualWidth = resources.getDimensionPixelSize(R.dimen.workspace_cell_width); 112079e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato int actualHeight = resources.getDimensionPixelSize(R.dimen.workspace_cell_height); 112131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int smallerSize = Math.min(actualWidth, actualHeight); 112279e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato 112331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Always round up to next largest cell 112431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanX = (width + smallerSize) / smallerSize; 112531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanY = (height + smallerSize) / smallerSize; 112679e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato 11278f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy if (result == null) { 11288f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy return new int[] { spanX, spanY }; 11298f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy } 11308f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[0] = spanX; 11318f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[1] = spanY; 11328f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy return result; 113331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 113431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 113531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 113631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Find the first vacant cell, if there is one. 113731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 113831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param vacant Holds the x and y coordinate of the vacant cell 113931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX Horizontal cell span. 114031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY Vertical cell span. 1141aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 114231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return True if a vacant cell was found 114331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 114431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean getVacantCell(int[] vacant, int spanX, int spanY) { 114531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 11460280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findVacantCell(vacant, spanX, spanY, mCountX, mCountY, mOccupied); 114731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 114831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 114931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project static boolean findVacantCell(int[] vacant, int spanX, int spanY, 115031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int xCount, int yCount, boolean[][] occupied) { 115131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 115231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int x = 0; x < xCount; x++) { 115331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int y = 0; y < yCount; y++) { 115431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean available = !occupied[x][y]; 115531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectout: for (int i = x; i < x + spanX - 1 && x < xCount; i++) { 115631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int j = y; j < y + spanY - 1 && y < yCount; j++) { 115731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project available = available && !occupied[i][j]; 115831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!available) break out; 115931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 116031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 116131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 116231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (available) { 116331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project vacant[0] = x; 116431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project vacant[1] = y; 116531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 116631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 116731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 116831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 116931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 117031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 117131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 117231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 11736569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 11746569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * Update the array of occupied cells (mOccupied), and return a flattened copy of the array. 11756569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 11766569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy boolean[] getOccupiedCellsFlattened() { 1177d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int xCount = mCountX; 1178d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int yCount = mCountY; 117931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final boolean[][] occupied = mOccupied; 118031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 118131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final boolean[] flat = new boolean[xCount * yCount]; 118231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int y = 0; y < yCount; y++) { 118331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int x = 0; x < xCount; x++) { 118431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project flat[y * xCount + x] = occupied[x][y]; 118531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 118631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 118731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 118831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return flat; 118931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 119031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 11910280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void clearOccupiedCells() { 11920280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = 0; x < mCountX; x++) { 11930280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = 0; y < mCountY; y++) { 11940280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied[x][y] = false; 119531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 119631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 11970280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 119831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 11990280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void onMove(View view, int newCellX, int newCellY) { 12000280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 12010280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 12020280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsForView(newCellX, newCellY, lp.cellHSpan, lp.cellVSpan, true); 12030280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 120431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 12050280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void markCellsAsOccupiedForView(View view) { 1206c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka if (view == null || view.getParent() != this) return; 12070280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 12080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsForView(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, true); 12090280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 12100280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 12110280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void markCellsAsUnoccupiedForView(View view) { 1212c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka if (view == null || view.getParent() != this) return; 12130280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 12140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsForView(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, false); 12150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 12160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 12170280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void markCellsForView(int cellX, int cellY, int spanX, int spanY, boolean value) { 12180280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = cellX; x < cellX + spanX && x < mCountX; x++) { 12190280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = cellY; y < cellY + spanY && y < mCountY; y++) { 12200280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied[x][y] = value; 122131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 122231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 122331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 122431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 122531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 122631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public ViewGroup.LayoutParams generateLayoutParams(AttributeSet attrs) { 122731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new CellLayout.LayoutParams(getContext(), attrs); 122831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 122931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 123031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 123131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected boolean checkLayoutParams(ViewGroup.LayoutParams p) { 123231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return p instanceof CellLayout.LayoutParams; 123331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 123431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 123531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 123631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected ViewGroup.LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) { 123731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new CellLayout.LayoutParams(p); 123831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 123931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1240aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public static class CellLayoutAnimationController extends LayoutAnimationController { 1241aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public CellLayoutAnimationController(Animation animation, float delay) { 1242aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung super(animation, delay); 1243aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1244aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1245aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung @Override 1246aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung protected long getDelayForView(View view) { 1247aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return (int) (Math.random() * 150); 1248aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1249aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1250aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 125131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static class LayoutParams extends ViewGroup.MarginLayoutParams { 125231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 125331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Horizontal location of the item in the grid. 125431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 125531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 125631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellX; 125731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 125831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 125931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Vertical location of the item in the grid. 126031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 126131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 126231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellY; 126331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 126431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 126531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Number of cells spanned horizontally by the item. 126631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 126731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 126831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellHSpan; 126931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 127031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 127131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Number of cells spanned vertically by the item. 127231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 127331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 127431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellVSpan; 1275aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 127631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 127731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Is this item currently being dragged 127831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 127931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean isDragging; 128031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 128131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // X coordinate of the view in the layout. 128231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 128331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int x; 128431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Y coordinate of the view in the layout. 128531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 128631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int y; 128731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 128884f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy boolean dropped; 1289fcb9e7144e58614f5ae0e9b272fb7ce040848c67Romain Guy 129031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(Context c, AttributeSet attrs) { 129131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(c, attrs); 129231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellHSpan = 1; 129331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellVSpan = 1; 129431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 129531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 129631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(ViewGroup.LayoutParams source) { 129731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(source); 129831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellHSpan = 1; 129931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellVSpan = 1; 130031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1301aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1302aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public LayoutParams(LayoutParams source) { 1303aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung super(source); 1304aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellX = source.cellX; 1305aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellY = source.cellY; 1306aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellHSpan = source.cellHSpan; 1307aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellVSpan = source.cellVSpan; 1308aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1309aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 131031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(int cellX, int cellY, int cellHSpan, int cellVSpan) { 13118f19cdd62f6e2be05e3890916eabd11317ae1bc2Romain Guy super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); 131231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellX = cellX; 131331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellY = cellY; 131431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellHSpan = cellHSpan; 131531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellVSpan = cellVSpan; 131631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 131731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 131831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void setup(int cellWidth, int cellHeight, int widthGap, int heightGap, 131931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int hStartPadding, int vStartPadding) { 1320aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 132131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellHSpan = cellHSpan; 132231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellVSpan = cellVSpan; 132331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellX = cellX; 132431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellY = cellY; 1325aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 132631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project width = myCellHSpan * cellWidth + ((myCellHSpan - 1) * widthGap) - 132731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project leftMargin - rightMargin; 132831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project height = myCellVSpan * cellHeight + ((myCellVSpan - 1) * heightGap) - 132931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project topMargin - bottomMargin; 133031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 133131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project x = hStartPadding + myCellX * (cellWidth + widthGap) + leftMargin; 133231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project y = vStartPadding + myCellY * (cellHeight + heightGap) + topMargin; 133331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1334aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1335aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public String toString() { 1336aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return "(" + this.cellX + ", " + this.cellY + ")"; 1337aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 133831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 133931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13400280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // This class stores info for two purposes: 13410280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // 1. When dragging items (mDragInfo in Workspace), we store the View, its cellX & cellY, 13420280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // its spanX, spanY, and the screen it is on 13430280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // 2. When long clicking on an empty cell in a CellLayout, we save information about the 13440280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // cellX and cellY coordinates and which page was clicked. We then set this as a tag on 13450280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // the CellLayout that was long clicked 134631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project static final class CellInfo implements ContextMenu.ContextMenuInfo { 134731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View cell; 1348a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka int cellX = -1; 1349a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka int cellY = -1; 135031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanX; 135131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanY; 135231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screen; 135331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean valid; 135431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 135531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 135631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public String toString() { 1357aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return "Cell[view=" + (cell == null ? "null" : cell.getClass()) 1358aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung + ", x=" + cellX + ", y=" + cellY + "]"; 135931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 136031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 136131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project} 1362