CellLayout.java revision 3c4c20fbe682cb4b3ef94f09afe0af09171583f3
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 193c4c20fbe682cb4b3ef94f09afe0af09171583f3Michael Jurkaimport com.android.launcher.R; 20aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 214be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.animation.Animator; 224be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.animation.AnimatorListenerAdapter; 2318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurkaimport android.animation.AnimatorSet; 2418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurkaimport android.animation.ObjectAnimator; 2500397b1d9233409d9d6b233b077ae12d09768ce8Chet Haaseimport android.animation.TimeInterpolator; 26de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.animation.ValueAnimator; 27de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.animation.ValueAnimator.AnimatorUpdateListener; 28aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.app.WallpaperManager; 2931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.Context; 3079e56263dbcbe85dc434df372bc6e6730aa13477Joe Onoratoimport android.content.res.Resources; 31aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.content.res.TypedArray; 324be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.graphics.Bitmap; 33aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.graphics.Canvas; 344be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.graphics.Paint; 35de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.graphics.Point; 36de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.graphics.PointF; 3731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Rect; 3831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.RectF; 3918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurkaimport android.graphics.Region; 406569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroyimport android.graphics.drawable.Drawable; 4131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.util.AttributeSet; 424be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.util.Log; 4331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ContextMenu; 4431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.MotionEvent; 4531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.View; 4631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewDebug; 4731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewGroup; 48aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.view.animation.Animation; 49150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chungimport android.view.animation.DecelerateInterpolator; 50aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.view.animation.LayoutAnimationController; 5131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 523c4c20fbe682cb4b3ef94f09afe0af09171583f3Michael Jurkaimport java.util.Arrays; 538e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy 54f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohenpublic class CellLayout extends ViewGroup implements Dimmable { 55aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung static final String TAG = "CellLayout"; 56aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 5731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCellWidth; 5831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCellHeight; 59aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 60aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mLeftPadding; 61aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mRightPadding; 62aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mTopPadding; 63aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mBottomPadding; 64aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 65d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen private int mCountX; 66d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen private int mCountY; 6731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mWidthGap; 6931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mHeightGap; 7031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final Rect mRect = new Rect(); 728f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy private final RectF mRectF = new RectF(); 7331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final CellInfo mCellInfo = new CellInfo(); 74aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 75de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // These are temporary variables to prevent having to allocate a new object just to 76de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // return an (x, y) value from helper functions. Do NOT use them to maintain other state. 776569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy private final int[] mTmpCellXY = new int[2]; 78de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final int[] mTmpPoint = new int[2]; 79de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final PointF mTmpPointF = new PointF(); 806569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 8131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean[][] mOccupied; 8231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 83dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka private OnTouchListener mInterceptTouchListener; 84dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 855f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka private float mBackgroundAlpha; 861b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen private float mBackgroundAlphaMultiplier = 1.0f; 87f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen 885f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka private Drawable mBackground; 89f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen private Drawable mBackgroundMini; 90f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen private Drawable mBackgroundMiniHover; 911262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy private Drawable mBackgroundHover; 923e7c7634531302271270c8cf418abc959d621cbcMichael Jurka private Drawable mBackgroundMiniAcceptsDrops; 9318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka private Rect mBackgroundRect; 9418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka private Rect mHoverRect; 9518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka private float mHoverScale; 9618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka private float mHoverAlpha; 973e7c7634531302271270c8cf418abc959d621cbcMichael Jurka private boolean mAcceptsDrops; 981262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy 991262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy // If we're actively dragging something over this screen, mHover is true 100a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka private boolean mHover = false; 101dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 102de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final Point mDragCenter = new Point(); 1036569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 104150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung // These arrays are used to implement the drag visualization on x-large screens. 1054be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // They are used as circular arrays, indexed by mDragOutlineCurrent. 1064be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private Point[] mDragOutlines = new Point[8]; 107472b281d5cb4f5660df981a6c912266b9f5703feChet Haase private float[] mDragOutlineAlphas = new float[mDragOutlines.length]; 1084be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private InterruptibleInOutAnimator[] mDragOutlineAnims = 1094be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato new InterruptibleInOutAnimator[mDragOutlines.length]; 110150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 111150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung // Used as an index into the above 3 arrays; indicates which is the most current value. 1124be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private int mDragOutlineCurrent = 0; 1138e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy private final Paint mDragOutlinePaint = new Paint(); 114150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 115de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private Drawable mCrosshairsDrawable = null; 11649250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy private InterruptibleInOutAnimator mCrosshairsAnimator = null; 117de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private float mCrosshairsVisibility = 0.0f; 118de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 1196569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // When a drag operation is in progress, holds the nearest cell to the touch point 1206569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy private final int[] mDragCell = new int[2]; 12131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 122aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private final WallpaperManager mWallpaperManager; 12331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1244be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private boolean mDragging = false; 1254be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 126ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy private TimeInterpolator mEaseOutInterpolator; 127ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 12831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context) { 12931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, null); 13031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 13131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context, AttributeSet attrs) { 13331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, attrs, 0); 13431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 13531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context, AttributeSet attrs, int defStyle) { 13731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(context, attrs, defStyle); 1386569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1396569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // A ViewGroup usually does not draw, but CellLayout needs to draw a rectangle to show 1406569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // the user where a dragged item will land when dropped. 1416569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy setWillNotDraw(false); 142a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka 14331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CellLayout, defStyle, 0); 14431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 14531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellWidth = a.getDimensionPixelSize(R.styleable.CellLayout_cellWidth, 10); 14631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellHeight = a.getDimensionPixelSize(R.styleable.CellLayout_cellHeight, 10); 147ece7f5b3b55cab646941123e03589241a61678e2Winson Chung mWidthGap = a.getDimensionPixelSize(R.styleable.CellLayout_widthGap, -1); 148ece7f5b3b55cab646941123e03589241a61678e2Winson Chung mHeightGap = a.getDimensionPixelSize(R.styleable.CellLayout_heightGap, -1); 149aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 150d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mLeftPadding = 151d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_xAxisStartPadding, 10); 152d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mRightPadding = 153d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_xAxisEndPadding, 10); 154d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mTopPadding = 155d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_yAxisStartPadding, 10); 156d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mBottomPadding = 157d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_yAxisEndPadding, 10); 158aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 159d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mCountX = LauncherModel.getCellCountX(); 160d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mCountY = LauncherModel.getCellCountY(); 1610280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied = new boolean[mCountX][mCountY]; 16231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 16331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project a.recycle(); 16431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 16531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project setAlwaysDrawnWithCacheEnabled(false); 16631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 167de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mWallpaperManager = WallpaperManager.getInstance(context); 168de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 169046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final Resources res = getResources(); 170de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 171046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy if (LauncherApplication.isScreenXLarge()) { 172150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mBackgroundMini = res.getDrawable(R.drawable.mini_home_screen_bg); 173f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen mBackgroundMini.setFilterBitmap(true); 174150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mBackground = res.getDrawable(R.drawable.home_screen_bg); 175de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mBackground.setFilterBitmap(true); 176150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung mBackgroundMiniHover = res.getDrawable(R.drawable.mini_home_screen_bg_hover); 177f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen mBackgroundMiniHover.setFilterBitmap(true); 1781262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy mBackgroundHover = res.getDrawable(R.drawable.home_screen_bg_hover); 1791262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy mBackgroundHover.setFilterBitmap(true); 1803e7c7634531302271270c8cf418abc959d621cbcMichael Jurka mBackgroundMiniAcceptsDrops = res.getDrawable( 1813e7c7634531302271270c8cf418abc959d621cbcMichael Jurka R.drawable.mini_home_screen_bg_accepts_drops); 1823e7c7634531302271270c8cf418abc959d621cbcMichael Jurka mBackgroundMiniAcceptsDrops.setFilterBitmap(true); 183046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy } 184de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 185046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Initialize the data structures used for the drag visualization. 186150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 187046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy mCrosshairsDrawable = res.getDrawable(R.drawable.gardening_crosshairs); 188ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy mEaseOutInterpolator = new DecelerateInterpolator(2.5f); // Quint ease out 189de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 190046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Set up the animation for fading the crosshairs in and out 191046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy int animDuration = res.getInteger(R.integer.config_crosshairsFadeInTime); 19249250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy mCrosshairsAnimator = new InterruptibleInOutAnimator(animDuration, 0.0f, 1.0f); 193472b281d5cb4f5660df981a6c912266b9f5703feChet Haase mCrosshairsAnimator.getAnimator().addUpdateListener(new AnimatorUpdateListener() { 194046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy public void onAnimationUpdate(ValueAnimator animation) { 195046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy mCrosshairsVisibility = ((Float) animation.getAnimatedValue()).floatValue(); 1968e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy invalidate(); 197046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy } 198046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy }); 199ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy mCrosshairsAnimator.getAnimator().setInterpolator(mEaseOutInterpolator); 200046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy 2014be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlines.length; i++) { 2024be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragOutlines[i] = new Point(-1, -1); 203046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy } 204046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy 205046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // When dragging things around the home screens, we show a green outline of 206046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // where the item will land. The outlines gradually fade out, leaving a trail 207046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // behind the drag path. 208046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Set up all the animations that are used to implement this fading. 209046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final int duration = res.getInteger(R.integer.config_dragOutlineFadeTime); 210472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float fromAlphaValue = 0; 211472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float toAlphaValue = (float)res.getInteger(R.integer.config_dragOutlineMaxAlpha); 2124be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 2138e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy Arrays.fill(mDragOutlineAlphas, fromAlphaValue); 2144be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 2154be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlineAnims.length; i++) { 216046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final InterruptibleInOutAnimator anim = 217046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy new InterruptibleInOutAnimator(duration, fromAlphaValue, toAlphaValue); 218ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy anim.getAnimator().setInterpolator(mEaseOutInterpolator); 219046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final int thisIndex = i; 220472b281d5cb4f5660df981a6c912266b9f5703feChet Haase anim.getAnimator().addUpdateListener(new AnimatorUpdateListener() { 221de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy public void onAnimationUpdate(ValueAnimator animation) { 2224be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Bitmap outline = (Bitmap)anim.getTag(); 2234be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 2244be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // If an animation is started and then stopped very quickly, we can still 2254be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // get spurious updates we've cleared the tag. Guard against this. 2264be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (outline == null) { 227fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy if (false) { 228fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy Object val = animation.getAnimatedValue(); 229fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy Log.d(TAG, "anim " + thisIndex + " update: " + val + 230fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy ", isStopped " + anim.isStopped()); 231fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy } 2324be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Try to prevent it from continuing to run 2334be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato animation.cancel(); 2344be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } else { 235472b281d5cb4f5660df981a6c912266b9f5703feChet Haase mDragOutlineAlphas[thisIndex] = (Float) animation.getAnimatedValue(); 2364be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int left = mDragOutlines[thisIndex].x; 2374be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int top = mDragOutlines[thisIndex].y; 2384be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato CellLayout.this.invalidate(left, top, 2394be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato left + outline.getWidth(), top + outline.getHeight()); 2404be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 241de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 242de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy }); 2434be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // The animation holds a reference to the drag outline bitmap as long is it's 2444be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // running. This way the bitmap can be GCed when the animations are complete. 245472b281d5cb4f5660df981a6c912266b9f5703feChet Haase anim.getAnimator().addListener(new AnimatorListenerAdapter() { 2463c4c20fbe682cb4b3ef94f09afe0af09171583f3Michael Jurka @Override 2474be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato public void onAnimationEnd(Animator animation) { 248472b281d5cb4f5660df981a6c912266b9f5703feChet Haase if ((Float) ((ValueAnimator) animation).getAnimatedValue() == 0f) { 2494be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato anim.setTag(null); 2504be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 2514be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 2524be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato }); 2534be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragOutlineAnims[i] = anim; 254de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 255ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 25618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundRect = new Rect(); 25718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mHoverRect = new Rect(); 25818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHoverScale(1.0f); 25918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHoverAlpha(1.0f); 26018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 26118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 26218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka private void updateHoverRect() { 26318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka float marginFraction = (mHoverScale - 1.0f) / 2.0f; 26418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka int marginX = (int) (marginFraction * (mBackgroundRect.right - mBackgroundRect.left)); 26518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka int marginY = (int) (marginFraction * (mBackgroundRect.bottom - mBackgroundRect.top)); 26618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mHoverRect.set(mBackgroundRect.left - marginX, mBackgroundRect.top - marginY, 26718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundRect.right + marginX, mBackgroundRect.bottom + marginY); 26818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka invalidate(); 26918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 27018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 27118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public void setHoverScale(float scaleFactor) { 27218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka if (scaleFactor != mHoverScale) { 27318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mHoverScale = scaleFactor; 27418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka updateHoverRect(); 27518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 27618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 27718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 27818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public float getHoverScale() { 27918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka return mHoverScale; 28018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 28118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 28218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public float getHoverAlpha() { 28318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka return mHoverAlpha; 28418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 28518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 28618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public void setHoverAlpha(float alpha) { 28718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mHoverAlpha = alpha; 28818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka invalidate(); 28918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 29018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 29118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka void animateDrop() { 29218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka if (LauncherApplication.isScreenXLarge()) { 29318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka Resources res = getResources(); 29418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka float onDropScale = res.getInteger(R.integer.config_screenOnDropScalePercent) / 100.0f; 29518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka ObjectAnimator scaleUp = ObjectAnimator.ofFloat(this, "hoverScale", onDropScale); 29618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka scaleUp.setDuration(res.getInteger(R.integer.config_screenOnDropScaleUpDuration)); 29718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka ObjectAnimator scaleDown = ObjectAnimator.ofFloat(this, "hoverScale", 1.0f); 29818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka scaleDown.setDuration(res.getInteger(R.integer.config_screenOnDropScaleDownDuration)); 29918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka ObjectAnimator alphaFadeOut = ObjectAnimator.ofFloat(this, "hoverAlpha", 0.0f); 30018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 30118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka alphaFadeOut.setStartDelay(res.getInteger(R.integer.config_screenOnDropAlphaFadeDelay)); 30218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka alphaFadeOut.setDuration(res.getInteger(R.integer.config_screenOnDropAlphaFadeDelay)); 30318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 30418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka AnimatorSet bouncer = new AnimatorSet(); 30518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka bouncer.play(scaleUp).before(scaleDown); 30618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka bouncer.play(scaleUp).with(alphaFadeOut); 3073c4c20fbe682cb4b3ef94f09afe0af09171583f3Michael Jurka bouncer.addListener(new LauncherAnimatorListenerAdapter() { 3083c4c20fbe682cb4b3ef94f09afe0af09171583f3Michael Jurka @Override 30918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public void onAnimationStart(Animator animation) { 31018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHover(true); 31118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 3123c4c20fbe682cb4b3ef94f09afe0af09171583f3Michael Jurka @Override 3133c4c20fbe682cb4b3ef94f09afe0af09171583f3Michael Jurka public void onAnimationEndOrCancel(Animator animation) { 31418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHover(false); 31518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHoverScale(1.0f); 31618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHoverAlpha(1.0f); 31718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 31818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka }); 31918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka bouncer.start(); 32018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 321a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy } 322a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy 323a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka public void setHover(boolean value) { 324a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka if (mHover != value) { 3253e7c7634531302271270c8cf418abc959d621cbcMichael Jurka mHover = value; 326a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka invalidate(); 327a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 328a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 329a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka 3301262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy public void drawChildren(Canvas canvas) { 3311262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy super.dispatchDraw(canvas); 3321262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy } 3331262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy 334a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy @Override 3351262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy protected void onDraw(Canvas canvas) { 3363e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // When we're large, we are either drawn in a "hover" state (ie when dragging an item to 3373e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // a neighboring page) or with just a normal background (if backgroundAlpha > 0.0f) 3383e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // When we're small, we are either drawn normally or in the "accepts drops" state (during 3393e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // a drag). However, we also drag the mini hover background *over* one of those two 3403e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // backgrounds 3415f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka if (mBackgroundAlpha > 0.0f) { 342f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen Drawable bg; 3431262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy if (getScaleX() < 0.5f) { 3443e7c7634531302271270c8cf418abc959d621cbcMichael Jurka bg = mAcceptsDrops ? mBackgroundMiniAcceptsDrops : mBackgroundMini; 345f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } else { 3461262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy bg = mHover ? mBackgroundHover : mBackground; 347f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 3489c4949e12c909d5e01d24386147b1c528015b31bAdam Cohen if (bg != null) { 3491b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen bg.setAlpha((int) (mBackgroundAlpha * mBackgroundAlphaMultiplier * 255)); 35018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka bg.setBounds(mBackgroundRect); 3519c4949e12c909d5e01d24386147b1c528015b31bAdam Cohen bg.draw(canvas); 3529c4949e12c909d5e01d24386147b1c528015b31bAdam Cohen } 3533e7c7634531302271270c8cf418abc959d621cbcMichael Jurka if (mHover && getScaleX() < 0.5f) { 35418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka boolean modifiedClipRect = false; 35518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka if (mHoverScale > 1.0f) { 35618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka // If the hover background's scale is greater than 1, we'll be drawing outside 35718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka // the bounds of this CellLayout. Get around that by temporarily increasing the 35818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka // size of the clip rect 35918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka float marginFraction = (mHoverScale - 1.0f) / 2.0f; 36018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka Rect clipRect = canvas.getClipBounds(); 36118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka int marginX = (int) (marginFraction * (clipRect.right - clipRect.left)); 36218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka int marginY = (int) (marginFraction * (clipRect.bottom - clipRect.top)); 36318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka canvas.save(Canvas.CLIP_SAVE_FLAG); 36418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka canvas.clipRect(-marginX, -marginY, 36518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka getWidth() + marginX, getHeight() + marginY, Region.Op.REPLACE); 36618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka modifiedClipRect = true; 36718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 36818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 36918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundMiniHover.setAlpha((int) (mBackgroundAlpha * mHoverAlpha * 255)); 37018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundMiniHover.setBounds(mHoverRect); 3713e7c7634531302271270c8cf418abc959d621cbcMichael Jurka mBackgroundMiniHover.draw(canvas); 37218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka if (modifiedClipRect) { 37318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka canvas.restore(); 37418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 3753e7c7634531302271270c8cf418abc959d621cbcMichael Jurka } 376a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 37731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 378de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (mCrosshairsVisibility > 0.0f) { 379de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countX = mCountX; 380de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countY = mCountY; 381de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 382de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final float MAX_ALPHA = 0.4f; 383de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int MAX_VISIBLE_DISTANCE = 600; 384de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final float DISTANCE_MULTIPLIER = 0.002f; 385de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 386de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final Drawable d = mCrosshairsDrawable; 387de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int width = d.getIntrinsicWidth(); 388de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int height = d.getIntrinsicHeight(); 389de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 390de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int x = getLeftPadding() - (mWidthGap / 2) - (width / 2); 391de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int col = 0; col <= countX; col++) { 392de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int y = getTopPadding() - (mHeightGap / 2) - (height / 2); 393de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int row = 0; row <= countY; row++) { 394de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mTmpPointF.set(x - mDragCenter.x, y - mDragCenter.y); 395de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy float dist = mTmpPointF.length(); 396de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // Crosshairs further from the drag point are more faint 397de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy float alpha = Math.min(MAX_ALPHA, 398de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy DISTANCE_MULTIPLIER * (MAX_VISIBLE_DISTANCE - dist)); 399de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (alpha > 0.0f) { 400de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.setBounds(x, y, x + width, y + height); 401de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.setAlpha((int) (alpha * 255 * mCrosshairsVisibility)); 402de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.draw(canvas); 403de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 404de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy y += mCellHeight + mHeightGap; 405de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 406de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy x += mCellWidth + mWidthGap; 407de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 4084be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 409150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 4108e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy final Paint paint = mDragOutlinePaint; 4114be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlines.length; i++) { 412472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float alpha = mDragOutlineAlphas[i]; 4134be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (alpha > 0) { 4144be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Point p = mDragOutlines[i]; 4154be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Bitmap b = (Bitmap) mDragOutlineAnims[i].getTag(); 416472b281d5cb4f5660df981a6c912266b9f5703feChet Haase paint.setAlpha((int)(alpha + .5f)); 4174be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato canvas.drawBitmap(b, p.x, p.y, paint); 418150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung } 4196569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 4206569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 4216569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 422f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen public void setDimmableProgress(float progress) { 423f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen for (int i = 0; i < getChildCount(); i++) { 424f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen Dimmable d = (Dimmable) getChildAt(i); 425f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen d.setDimmableProgress(progress); 426f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 427f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 428f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen 429f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen public float getDimmableProgress() { 430f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen if (getChildCount() > 0) { 431f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen return ((Dimmable) getChildAt(0)).getDimmableProgress(); 432f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 433f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen return 0.0f; 434f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 435f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen 4366569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy @Override 43783f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey public void cancelLongPress() { 43883f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey super.cancelLongPress(); 43983f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey 44083f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey // Cancel long press for all children 44183f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey final int count = getChildCount(); 44283f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey for (int i = 0; i < count; i++) { 44383f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey final View child = getChildAt(i); 44483f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey child.cancelLongPress(); 44583f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey } 44683f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey } 44783f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey 448dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka public void setOnInterceptTouchListener(View.OnTouchListener listener) { 449dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka mInterceptTouchListener = listener; 450dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 451dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 45231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCountX() { 453d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen return mCountX; 45431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 45531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 45631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCountY() { 457d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen return mCountY; 45831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 45931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 460aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public boolean addViewToCellLayout(View child, int index, int childId, LayoutParams params) { 461f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka return addViewToCellLayout(child, index, childId, params, true); 462f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka } 463f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka 464f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka public boolean addViewToCellLayout( 465f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka View child, int index, int childId, LayoutParams params, boolean markCells) { 466aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final LayoutParams lp = params; 467aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 46831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Generate an id for each view, this assumes we have at most 256x256 cells 46931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // per workspace screen 470d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellX >= 0 && lp.cellX <= mCountX - 1 && lp.cellY >= 0 && lp.cellY <= mCountY - 1) { 471aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // If the horizontal or vertical span is set to -1, it is taken to 472aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // mean that it spans the extent of the CellLayout 473d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellHSpan < 0) lp.cellHSpan = mCountX; 474d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellVSpan < 0) lp.cellVSpan = mCountY; 475aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 476aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung child.setId(childId); 47731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 478dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka // We might be in the middle or end of shrinking/fading to a dimmed view 479dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka // Make sure this view's alpha is set the same as all the rest of the views 4805f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka child.setAlpha(getAlpha()); 481aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung addView(child, index, lp); 482dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 483f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka if (markCells) markCellsAsOccupiedForView(child); 4840280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 485aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return true; 486aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 487aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return false; 48831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 4893e7c7634531302271270c8cf418abc959d621cbcMichael Jurka public void setAcceptsDrops(boolean acceptsDrops) { 4903e7c7634531302271270c8cf418abc959d621cbcMichael Jurka if (mAcceptsDrops != acceptsDrops) { 4913e7c7634531302271270c8cf418abc959d621cbcMichael Jurka mAcceptsDrops = acceptsDrops; 4923e7c7634531302271270c8cf418abc959d621cbcMichael Jurka invalidate(); 4933e7c7634531302271270c8cf418abc959d621cbcMichael Jurka } 4943e7c7634531302271270c8cf418abc959d621cbcMichael Jurka } 4953e7c7634531302271270c8cf418abc959d621cbcMichael Jurka 4963e7c7634531302271270c8cf418abc959d621cbcMichael Jurka public boolean getAcceptsDrops() { 4973e7c7634531302271270c8cf418abc959d621cbcMichael Jurka return mAcceptsDrops; 4983e7c7634531302271270c8cf418abc959d621cbcMichael Jurka } 49931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 50031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 5010280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeAllViews() { 5020280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka clearOccupiedCells(); 5030280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5050280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5060280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeAllViewsInLayout() { 5070280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka clearOccupiedCells(); 5080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5090280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 510f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka public void removeViewWithoutMarkingCells(View view) { 511f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka super.removeView(view); 512f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka } 513f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka 5140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeView(View view) { 5160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 5170280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeView(view); 5180280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5190280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5200280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5210280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewAt(int index) { 5220280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(getChildAt(index)); 5230280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViewAt(index); 5240280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5250280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5260280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5270280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewInLayout(View view) { 5280280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 5290280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViewInLayout(view); 5300280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5310280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5320280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5330280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViews(int start, int count) { 5340280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = start; i < start + count; i++) { 5350280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(getChildAt(i)); 5360280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5370280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViews(start, count); 5380280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5390280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5400280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5410280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewsInLayout(int start, int count) { 5420280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = start; i < start + count; i++) { 5430280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(getChildAt(i)); 5440280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5450280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViewsInLayout(start, count); 5460280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5470280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5480280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 54931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void requestChildFocus(View child, View focused) { 55031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.requestChildFocus(child, focused); 55131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child != null) { 55231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Rect r = new Rect(); 55331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.getDrawingRect(r); 55431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project requestRectangleOnScreen(r); 55531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 55631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 55731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 55831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 55931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onAttachedToWindow() { 56031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onAttachedToWindow(); 56131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellInfo.screen = ((ViewGroup) getParent()).indexOfChild(this); 56231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 56331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 564af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka public void setTagToCellInfoForPoint(int touchX, int touchY) { 56531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellInfo cellInfo = mCellInfo; 566af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final Rect frame = mRect; 567af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int x = touchX + mScrollX; 568af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int y = touchY + mScrollY; 569af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int count = getChildCount(); 57031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 571af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka boolean found = false; 572af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka for (int i = count - 1; i >= 0; i--) { 573af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final View child = getChildAt(i); 574af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka 575af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if ((child.getVisibility()) == VISIBLE || child.getAnimation() != null) { 576af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka child.getHitRect(frame); 577af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (frame.contains(x, y)) { 578af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final LayoutParams lp = (LayoutParams) child.getLayoutParams(); 579af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cell = child; 580af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellX = lp.cellX; 581af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellY = lp.cellY; 582af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanX = lp.cellHSpan; 583af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanY = lp.cellVSpan; 584af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.valid = true; 585af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka found = true; 586af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka break; 58731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 58831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 589af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 590aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 591af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (!found) { 5926569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy final int cellXY[] = mTmpCellXY; 593af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka pointToCellExact(x, y, cellXY); 59431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 595af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cell = null; 596af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellX = cellXY[0]; 597af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellY = cellXY[1]; 598af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanX = 1; 599af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanY = 1; 6000280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellInfo.valid = cellXY[0] >= 0 && cellXY[1] >= 0 && cellXY[0] < mCountX && 6010280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[1] < mCountY && !mOccupied[cellXY[0]][cellXY[1]]; 602af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 603af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka setTag(cellInfo); 604af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 60531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 606aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 607af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka @Override 608af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka public boolean onInterceptTouchEvent(MotionEvent ev) { 609dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka if (mInterceptTouchListener != null && mInterceptTouchListener.onTouch(this, ev)) { 610dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka return true; 611dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 612af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int action = ev.getAction(); 613af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final CellInfo cellInfo = mCellInfo; 61431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 615af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (action == MotionEvent.ACTION_DOWN) { 616af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka setTagToCellInfoForPoint((int) ev.getX(), (int) ev.getY()); 61731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (action == MotionEvent.ACTION_UP) { 61831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.cell = null; 61931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.cellX = -1; 62031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.cellY = -1; 62131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.spanX = 0; 62231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.spanY = 0; 62331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.valid = false; 62431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project setTag(cellInfo); 62531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 62631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 62731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 62831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 62931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 63031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 63131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellInfo getTag() { 6320280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return (CellInfo) super.getTag(); 63331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 63431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6356569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 6366569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * Check if the row 'y' is empty from columns 'left' to 'right', inclusive. 6376569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 63831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private static boolean isRowEmpty(int y, int left, int right, boolean[][] occupied) { 63931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int x = left; x <= right; x++) { 64031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (occupied[x][y]) { 64131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 64231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 64331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 64431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 64531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 64631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 64731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 648aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Given a point, return the cell that strictly encloses that point 64931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x X coordinate of the point 65031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y Y coordinate of the point 65131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the cell 65231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 65331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void pointToCellExact(int x, int y, int[] result) { 654aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int hStartPadding = getLeftPadding(); 655aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int vStartPadding = getTopPadding(); 65631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 65731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[0] = (x - hStartPadding) / (mCellWidth + mWidthGap); 65831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[1] = (y - vStartPadding) / (mCellHeight + mHeightGap); 65931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 660d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int xAxis = mCountX; 661d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int yAxis = mCountY; 66231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 66331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[0] < 0) result[0] = 0; 66431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[0] >= xAxis) result[0] = xAxis - 1; 66531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[1] < 0) result[1] = 0; 66631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[1] >= yAxis) result[1] = yAxis - 1; 66731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 668aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 66931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 67031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Given a point, return the cell that most closely encloses that point 67131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x X coordinate of the point 67231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y Y coordinate of the point 67331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the cell 67431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 67531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void pointToCellRounded(int x, int y, int[] result) { 67631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project pointToCellExact(x + (mCellWidth / 2), y + (mCellHeight / 2), result); 67731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 67831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 67931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 68031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Given a cell coordinate, return the point that represents the upper left corner of that cell 681aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 682aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * @param cellX X coordinate of the cell 68331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellY Y coordinate of the cell 684aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 68531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the point 68631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 68731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void cellToPoint(int cellX, int cellY, int[] result) { 688aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int hStartPadding = getLeftPadding(); 689aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int vStartPadding = getTopPadding(); 69031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 69131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[0] = hStartPadding + cellX * (mCellWidth + mWidthGap); 69231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[1] = vStartPadding + cellY * (mCellHeight + mHeightGap); 69331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 69431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 69584f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy int getCellWidth() { 69684f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy return mCellWidth; 69784f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 69884f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 69984f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy int getCellHeight() { 70084f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy return mCellHeight; 70184f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 70284f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 7031a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getLeftPadding() { 704aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mLeftPadding; 7051a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 7061a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 7071a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getTopPadding() { 708aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mTopPadding; 7091a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 7101a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 7111a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getRightPadding() { 712aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mRightPadding; 7131a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 7141a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 7151a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getBottomPadding() { 716aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mBottomPadding; 7171a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 7181a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 71931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 72031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 72131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // TODO: currently ignoring padding 722aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 72331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec); 724aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec); 725aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 72631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec); 72731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int heightSpecSize = MeasureSpec.getSize(heightMeasureSpec); 728aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 72931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (widthSpecMode == MeasureSpec.UNSPECIFIED || heightSpecMode == MeasureSpec.UNSPECIFIED) { 73031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new RuntimeException("CellLayout cannot have UNSPECIFIED dimensions"); 73131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 73231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 73331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellWidth = mCellWidth; 73431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellHeight = mCellHeight; 73531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 736d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen int numWidthGaps = mCountX - 1; 737d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen int numHeightGaps = mCountY - 1; 738d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen 739ece7f5b3b55cab646941123e03589241a61678e2Winson Chung if (mWidthGap < 0 || mHeightGap < 0) { 740ece7f5b3b55cab646941123e03589241a61678e2Winson Chung int vSpaceLeft = heightSpecSize - mTopPadding - mBottomPadding - (cellHeight * mCountY); 741ece7f5b3b55cab646941123e03589241a61678e2Winson Chung mHeightGap = vSpaceLeft / numHeightGaps; 742d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen 743ece7f5b3b55cab646941123e03589241a61678e2Winson Chung int hSpaceLeft = widthSpecSize - mLeftPadding - mRightPadding - (cellWidth * mCountX); 744ece7f5b3b55cab646941123e03589241a61678e2Winson Chung mWidthGap = hSpaceLeft / numWidthGaps; 745aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 746ece7f5b3b55cab646941123e03589241a61678e2Winson Chung // center it around the min gaps 747ece7f5b3b55cab646941123e03589241a61678e2Winson Chung int minGap = Math.min(mWidthGap, mHeightGap); 748ece7f5b3b55cab646941123e03589241a61678e2Winson Chung mWidthGap = mHeightGap = minGap; 749ece7f5b3b55cab646941123e03589241a61678e2Winson Chung } 7505f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 75131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = getChildCount(); 75231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 75331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 75431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = getChildAt(i); 75531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LayoutParams lp = (LayoutParams) child.getLayoutParams(); 756aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung lp.setup(cellWidth, cellHeight, mWidthGap, mHeightGap, 757aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung mLeftPadding, mTopPadding); 758aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 7590280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int childWidthMeasureSpec = MeasureSpec.makeMeasureSpec(lp.width, MeasureSpec.EXACTLY); 760aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung int childheightMeasureSpec = MeasureSpec.makeMeasureSpec(lp.height, 761aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung MeasureSpec.EXACTLY); 76231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 76331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.measure(childWidthMeasureSpec, childheightMeasureSpec); 76431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 7655f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka if (widthSpecMode == MeasureSpec.AT_MOST) { 7665f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka int newWidth = mLeftPadding + mRightPadding + (mCountX * cellWidth) + 767ece7f5b3b55cab646941123e03589241a61678e2Winson Chung ((mCountX - 1) * mWidthGap); 7685f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka int newHeight = mTopPadding + mBottomPadding + (mCountY * cellHeight) + 769ece7f5b3b55cab646941123e03589241a61678e2Winson Chung ((mCountY - 1) * mHeightGap); 7705f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka setMeasuredDimension(newWidth, newHeight); 7715f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } else if (widthSpecMode == MeasureSpec.EXACTLY) { 7725f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka setMeasuredDimension(widthSpecSize, heightSpecSize); 7735f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } 77431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 77531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 77631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 77728750fba6a2d141eb9a1e566718c17236030b815Michael Jurka protected void onLayout(boolean changed, int l, int t, int r, int b) { 77831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = getChildCount(); 77931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 78031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 781ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy final View child = getChildAt(i); 78231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child.getVisibility() != GONE) { 78331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 78431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 78531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 78631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int childLeft = lp.x; 78731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int childTop = lp.y; 78831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.layout(childLeft, childTop, childLeft + lp.width, childTop + lp.height); 78984f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 79084f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy if (lp.dropped) { 79184f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy lp.dropped = false; 79284f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 7936569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy final int[] cellXY = mTmpCellXY; 79406762ab54d64e84328d427403bb6074dfd0f630cRomain Guy getLocationOnScreen(cellXY); 79584f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy mWallpaperManager.sendWallpaperCommand(getWindowToken(), "android.home.drop", 79606762ab54d64e84328d427403bb6074dfd0f630cRomain Guy cellXY[0] + childLeft + lp.width / 2, 79706762ab54d64e84328d427403bb6074dfd0f630cRomain Guy cellXY[1] + childTop + lp.height / 2, 0, null); 798ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 799cd68ff5b88de9b5136ff5a9ef698e4db2fc5db66Patrick Dubroy ((Workspace) mParent).animateViewIntoPosition(child); 80084f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 80131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 80231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 80331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 80431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 80531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 806dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka protected void onSizeChanged(int w, int h, int oldw, int oldh) { 807dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka super.onSizeChanged(w, h, oldw, oldh); 80818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundRect.set(0, 0, w, h); 80918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka updateHoverRect(); 810dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 811dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 812dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka @Override 81331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void setChildrenDrawingCacheEnabled(boolean enabled) { 81431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 81531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 81631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View view = getChildAt(i); 81731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view.setDrawingCacheEnabled(enabled); 81831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Update the drawing caches 8193cf4c03125be60d56bff7eb82a1775ac46b919edRomain Guy if (!view.isHardwareAccelerated()) { 8203cf4c03125be60d56bff7eb82a1775ac46b919edRomain Guy view.buildDrawingCache(true); 8213cf4c03125be60d56bff7eb82a1775ac46b919edRomain Guy } 82231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 82331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 82431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 82531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 82631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void setChildrenDrawnWithCacheEnabled(boolean enabled) { 82731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.setChildrenDrawnWithCacheEnabled(enabled); 82831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 82931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8305f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public float getBackgroundAlpha() { 8315f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka return mBackgroundAlpha; 832dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 833dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 8341b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen public void setBackgroundAlphaMultiplier(float multiplier) { 8351b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen mBackgroundAlphaMultiplier = multiplier; 8361b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen } 8371b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen 8385f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public void setBackgroundAlpha(float alpha) { 8395f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka mBackgroundAlpha = alpha; 8400142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka invalidate(); 841dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 842dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 8435f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // Need to return true to let the view system know we know how to handle alpha-- this is 8445f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // because when our children have an alpha of 0.0f, they are still rendering their "dimmed" 8455f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // versions 8465f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka @Override 8475f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka protected boolean onSetAlpha(int alpha) { 8485f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka return true; 8495f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } 8505f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 8515f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public void setAlpha(float alpha) { 8525f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka setChildrenAlpha(alpha); 8535f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka super.setAlpha(alpha); 8545f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } 8555f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 856dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka private void setChildrenAlpha(float alpha) { 8570142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka final int childCount = getChildCount(); 8580142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka for (int i = 0; i < childCount; i++) { 859dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka getChildAt(i).setAlpha(alpha); 860dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 861dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 862dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 8630280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private boolean isVacantIgnoring( 8640280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int originX, int originY, int spanX, int spanY, View ignoreView) { 8650280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (ignoreView != null) { 8660280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(ignoreView); 8670280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 86828750fba6a2d141eb9a1e566718c17236030b815Michael Jurka boolean isVacant = true; 8696569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy for (int i = 0; i < spanY; i++) { 8706569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (!isRowEmpty(originY + i, originX, originX + spanX - 1, mOccupied)) { 87128750fba6a2d141eb9a1e566718c17236030b815Michael Jurka isVacant = false; 87228750fba6a2d141eb9a1e566718c17236030b815Michael Jurka break; 8736569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 8746569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 8750280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (ignoreView != null) { 8760280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsOccupiedForView(ignoreView); 8770280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 87828750fba6a2d141eb9a1e566718c17236030b815Michael Jurka return isVacant; 8796569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 8806569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 8810280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private boolean isVacant(int originX, int originY, int spanX, int spanY) { 8820280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return isVacantIgnoring(originX, originY, spanX, spanY, null); 8830280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 8840280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 885440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy public View getChildAt(int x, int y) { 886440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy final int count = getChildCount(); 887440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy for (int i = 0; i < count; i++) { 888440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy View child = getChildAt(i); 889440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy LayoutParams lp = (LayoutParams) child.getLayoutParams(); 890440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy 891440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy if ((lp.cellX <= x) && (x < lp.cellX + lp.cellHSpan) && 892440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy (lp.cellY <= y) && (y < lp.cellY + lp.cellHSpan)) { 893440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy return child; 894440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy } 895440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy } 896440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy return null; 897440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy } 898440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy 8996569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 9008f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy * Estimate the size that a child with the given dimensions will take in the layout. 9018f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy */ 9028f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy void estimateChildSize(int minWidth, int minHeight, int[] result) { 9038f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy // Assuming it's placed at 0, 0, find where the bottom right cell will land 9048f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy rectToCell(minWidth, minHeight, result); 9058f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy 9068f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy // Then figure out the rect it will occupy 9078f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy cellToRect(0, 0, result[0], result[1], mRectF); 9088f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[0] = (int)mRectF.width(); 9098f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[1] = (int)mRectF.height(); 9108f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy } 9118f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy 9128f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy /** 9136569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * Estimate where the top left cell of the dragged item will land if it is dropped. 9146569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * 9156569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param originX The X value of the top left corner of the item 9166569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param originY The Y value of the top left corner of the item 9176569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param spanX The number of horizontal cells that the item spans 9186569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param spanY The number of vertical cells that the item spans 9196569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param result The estimated drop cell X and Y. 9206569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 9216569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy void estimateDropCell(int originX, int originY, int spanX, int spanY, int[] result) { 922d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int countX = mCountX; 923d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int countY = mCountY; 9246569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 925a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka // pointToCellRounded takes the top left of a cell but will pad that with 926a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka // cellWidth/2 and cellHeight/2 when finding the matching cell 927a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka pointToCellRounded(originX, originY, result); 9286569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 9296569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // If the item isn't fully on this screen, snap to the edges 9306569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy int rightOverhang = result[0] + spanX - countX; 9316569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (rightOverhang > 0) { 9326569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[0] -= rightOverhang; // Snap to right 9336569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 9346569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[0] = Math.max(0, result[0]); // Snap to left 9356569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy int bottomOverhang = result[1] + spanY - countY; 9366569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (bottomOverhang > 0) { 9376569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[1] -= bottomOverhang; // Snap to bottom 9386569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 9396569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[1] = Math.max(0, result[1]); // Snap to top 9406569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 9416569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 9424be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato void visualizeDropLocation( 9434be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato View v, Bitmap dragOutline, int originX, int originY, int spanX, int spanY) { 9444be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 94508ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy final int oldDragCellX = mDragCell[0]; 94608ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy final int oldDragCellY = mDragCell[1]; 9474be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int[] nearest = findNearestVacantArea(originX, originY, spanX, spanY, v, mDragCell); 948a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung if (v != null) { 949a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung mDragCenter.set(originX + (v.getWidth() / 2), originY + (v.getHeight() / 2)); 950a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung } else { 951a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung mDragCenter.set(originX, originY); 952a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung } 9536569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 95408ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy if (nearest != null && (nearest[0] != oldDragCellX || nearest[1] != oldDragCellY)) { 9556569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // Find the top left corner of the rect the object will occupy 956de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int[] topLeft = mTmpPoint; 957de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy cellToPoint(nearest[0], nearest[1], topLeft); 958de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 9594be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato int left = topLeft[0]; 9604be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato int top = topLeft[1]; 9616569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 962a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung if (v != null) { 963a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung if (v.getParent() instanceof CellLayout) { 964a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung LayoutParams lp = (LayoutParams) v.getLayoutParams(); 965a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung left += lp.leftMargin; 966a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung top += lp.topMargin; 967a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung } 968150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 969a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung // Offsets due to the size difference between the View and the dragOutline 970a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung left += (v.getWidth() - dragOutline.getWidth()) / 2; 971a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung top += (v.getHeight() - dragOutline.getHeight()) / 2; 972a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung } 973150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 9744be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int oldIndex = mDragOutlineCurrent; 97508ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[oldIndex].animateOut(); 97608ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineCurrent = (oldIndex + 1) % mDragOutlines.length; 977150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 97808ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlines[mDragOutlineCurrent].set(left, top); 97908ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[mDragOutlineCurrent].setTag(dragOutline); 98008ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[mDragOutlineCurrent].animateIn(); 9816569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 98249250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy 98349250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy // If we are drawing crosshairs, the entire CellLayout needs to be invalidated 98449250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy if (mCrosshairsDrawable != null) { 98549250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy invalidate(); 98649250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy } 9876569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 9886569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 98931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 99070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Find a vacant area that will fit the given bounds nearest the requested 99170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * cell location. Uses Euclidean distance to score multiple vacant areas. 992aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 99351afc022fa76c79f0d1ece470ddc126c08fea8a4Romain Guy * @param pixelX The X location at which you want to search for a vacant area. 99451afc022fa76c79f0d1ece470ddc126c08fea8a4Romain Guy * @param pixelY The Y location at which you want to search for a vacant area. 99570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @param spanX Horizontal span of the object. 99670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @param spanY Vertical span of the object. 997de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * @param result Array in which to place the result, or null (in which case a new array will 998de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * be allocated) 99970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @return The X, Y cell of a vacant area that can contain this object, 100070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * nearest the requested location. 100131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 10026a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka int[] findNearestVacantArea( 1003de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int pixelX, int pixelY, int spanX, int spanY, int[] result) { 1004de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy return findNearestVacantArea(pixelX, pixelY, spanX, spanY, null, result); 10056a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka } 1006aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 10076a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka /** 10086a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * Find a vacant area that will fit the given bounds nearest the requested 10096a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * cell location. Uses Euclidean distance to score multiple vacant areas. 10106a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * 10116a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param pixelX The X location at which you want to search for a vacant area. 10126a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param pixelY The Y location at which you want to search for a vacant area. 10136a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param spanX Horizontal span of the object. 10146a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param spanY Vertical span of the object. 10156a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param ignoreView Considers space occupied by this view as unoccupied 1016de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * @param result Previously returned value to possibly recycle. 10176a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @return The X, Y cell of a vacant area that can contain this object, 10186a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * nearest the requested location. 10196a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka */ 10206a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka int[] findNearestVacantArea( 1021de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int pixelX, int pixelY, int spanX, int spanY, View ignoreView, int[] result) { 1022c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // mark space take by ignoreView as available (method checks if ignoreView is null) 1023c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsUnoccupiedForView(ignoreView); 1024c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka 102570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Keep track of best-scoring drop area 1026de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int[] bestXY = result != null ? result : new int[2]; 102770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey double bestDistance = Double.MAX_VALUE; 1028aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1029de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countX = mCountX; 1030de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countY = mCountY; 1031de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final boolean[][] occupied = mOccupied; 1032de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 1033de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int x = 0; x < countX - (spanX - 1); x++) { 1034c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka inner: 1035de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int y = 0; y < countY - (spanY - 1); y++) { 1036c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka for (int i = 0; i < spanX; i++) { 1037c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka for (int j = 0; j < spanY; j++) { 1038de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (occupied[x + i][y + j]) { 1039c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka // small optimization: we can skip to below the row we just found 1040c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka // an occupied cell 1041c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka y += j; 1042c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka continue inner; 1043c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 1044c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 1045c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 1046c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka final int[] cellXY = mTmpCellXY; 1047c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka cellToPoint(x, y, cellXY); 1048c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka 1049c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka double distance = Math.sqrt(Math.pow(cellXY[0] - pixelX, 2) 1050c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka + Math.pow(cellXY[1] - pixelY, 2)); 1051c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka if (distance <= bestDistance) { 1052c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestDistance = distance; 1053c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestXY[0] = x; 1054c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestXY[1] = y; 1055c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 105631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 105731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1058c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // re-mark space taken by ignoreView as occupied 1059c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsOccupiedForView(ignoreView); 106031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1061aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // Return null if no suitable location found 106270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey if (bestDistance < Double.MAX_VALUE) { 106370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return bestXY; 106470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } else { 106570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return null; 106670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 106731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1068aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 10690280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean existsEmptyCell() { 10700280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpan(null, 1, 1); 10710280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10720280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 10730280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 10740280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Finds the upper-left coordinate of the first rectangle in the grid that can 10750280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * hold a cell of the specified dimensions. If intersectX and intersectY are not -1, 10760280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * then this method will only return coordinates for rectangles that contain the cell 10770280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * (intersectX, intersectY) 10780280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 10790280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param cellXY The array that will contain the position of a vacant cell if such a cell 10800280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * can be found. 10810280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 10820280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 10830280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 10840280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return True if a vacant cell of the specified dimension was found, false otherwise. 10850280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 10860280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpan(int[] cellXY, int spanX, int spanY) { 10870280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring(cellXY, spanX, spanY, -1, -1, null); 10880280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10890280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 10900280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 10910280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Like above, but ignores any cells occupied by the item "ignoreView" 10920280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 10930280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param cellXY The array that will contain the position of a vacant cell if such a cell 10940280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * can be found. 10950280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 10960280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 10970280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param ignoreView The home screen item we should treat as not occupying any space 10980280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return 10990280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 11000280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanIgnoring(int[] cellXY, int spanX, int spanY, View ignoreView) { 11010280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring(cellXY, spanX, spanY, -1, -1, ignoreView); 11020280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11030280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 11040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 11050280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Like above, but if intersectX and intersectY are not -1, then this method will try to 11060280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * return coordinates for rectangles that contain the cell [intersectX, intersectY] 11070280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 11080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 11090280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 11100280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param ignoreView The home screen item we should treat as not occupying any space 11110280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param intersectX The X coordinate of the cell that we should try to overlap 11120280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param intersectX The Y coordinate of the cell that we should try to overlap 11130280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 11140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return True if a vacant cell of the specified dimension was found, false otherwise. 11150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 11160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanThatIntersects(int[] cellXY, int spanX, int spanY, 11170280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int intersectX, int intersectY) { 11180280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring( 11190280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY, spanX, spanY, intersectX, intersectY, null); 11200280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11210280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 11220280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 11230280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * The superset of the above two methods 11240280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 11250280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanThatIntersectsIgnoring(int[] cellXY, int spanX, int spanY, 11260280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int intersectX, int intersectY, View ignoreView) { 1127c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // mark space take by ignoreView as available (method checks if ignoreView is null) 1128c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsUnoccupiedForView(ignoreView); 11290280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 113028750fba6a2d141eb9a1e566718c17236030b815Michael Jurka boolean foundCell = false; 11310280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka while (true) { 11320280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int startX = 0; 11330280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX >= 0) { 11340280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka startX = Math.max(startX, intersectX - (spanX - 1)); 11350280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11360280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int endX = mCountX - (spanX - 1); 11370280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX >= 0) { 11380280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka endX = Math.min(endX, intersectX + (spanX - 1) + (spanX == 1 ? 1 : 0)); 11390280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11400280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int startY = 0; 11410280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectY >= 0) { 11420280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka startY = Math.max(startY, intersectY - (spanY - 1)); 11430280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11440280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int endY = mCountY - (spanY - 1); 11450280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectY >= 0) { 11460280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka endY = Math.min(endY, intersectY + (spanY - 1) + (spanY == 1 ? 1 : 0)); 11470280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11480280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 11490280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = startX; x < endX; x++) { 11500280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka inner: 11510280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = startY; y < endY; y++) { 11520280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = 0; i < spanX; i++) { 11530280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int j = 0; j < spanY; j++) { 11540280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (mOccupied[x + i][y + j]) { 11550280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // small optimization: we can skip to below the row we just found 11560280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // an occupied cell 11570280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka y += j; 11580280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka continue inner; 11590280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11600280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11610280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11620280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (cellXY != null) { 11630280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[0] = x; 11640280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[1] = y; 11650280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 116628750fba6a2d141eb9a1e566718c17236030b815Michael Jurka foundCell = true; 116728750fba6a2d141eb9a1e566718c17236030b815Michael Jurka break; 11680280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11690280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11700280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX == -1 && intersectY == -1) { 11710280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka break; 11720280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } else { 11730280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // if we failed to find anything, try again but without any requirements of 11740280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // intersecting 11750280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka intersectX = -1; 11760280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka intersectY = -1; 11770280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka continue; 11780280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11790280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11800280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 1181c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // re-mark space taken by ignoreView as occupied 1182c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsOccupiedForView(ignoreView); 118328750fba6a2d141eb9a1e566718c17236030b815Michael Jurka return foundCell; 11840280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 11850280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 118631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 11870280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Called when drag has left this CellLayout or has been completed (successfully or not) 11886569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 11890280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka void onDragExit() { 11904be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // This can actually be called when we aren't in a drag, e.g. when adding a new 11914be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // item to this layout via the customize drawer. 11924be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Guard against that case. 11934be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (mDragging) { 11944be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragging = false; 11956569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 11964be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Fade out the drag indicators 11974be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (mCrosshairsAnimator != null) { 11984be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mCrosshairsAnimator.animateOut(); 11994be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 12004be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 120108ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy 120208ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy // Invalidate the drag data 120308ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragCell[0] = -1; 120408ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragCell[1] = -1; 120508ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[mDragOutlineCurrent].animateOut(); 120608ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineCurrent = (mDragOutlineCurrent + 1) % mDragOutlineAnims.length; 120708ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy 120808ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy setHover(false); 12096569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 12106569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 12116569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 1212aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Mark a child as having been dropped. 1213de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * At the beginning of the drag operation, the child may have been on another 1214ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * screen, but it is re-parented before this method is called. 121531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 121631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child that is being dropped 121731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 1218aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung void onDropChild(View child) { 1219d94533d04a5f8f5485f106d10af60169857ea899Romain Guy if (child != null) { 1220d94533d04a5f8f5485f106d10af60169857ea899Romain Guy LayoutParams lp = (LayoutParams) child.getLayoutParams(); 1221d94533d04a5f8f5485f106d10af60169857ea899Romain Guy lp.isDragging = false; 122284f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy lp.dropped = true; 1223ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy child.setVisibility(View.VISIBLE); 1224d94533d04a5f8f5485f106d10af60169857ea899Romain Guy child.requestLayout(); 1225d94533d04a5f8f5485f106d10af60169857ea899Romain Guy } 122631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 122731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 122831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 122931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Start dragging the specified child 1230aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 123131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child that is being dragged 123231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 123331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void onDragChild(View child) { 123431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LayoutParams lp = (LayoutParams) child.getLayoutParams(); 123531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.isDragging = true; 1236ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy child.setVisibility(View.GONE); 1237de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 1238de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 1239de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy /** 1240de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * A drag event has begun over this layout. 1241de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * It may have begun over this layout (in which case onDragChild is called first), 1242de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * or it may have begun on another layout. 1243de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy */ 1244a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung void onDragEnter() { 1245fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy if (!mDragging) { 1246fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy // Fade in the drag indicators 1247fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy if (mCrosshairsAnimator != null) { 1248fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy mCrosshairsAnimator.animateIn(); 1249fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy } 12504be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 12514be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragging = true; 125231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1253aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 125431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 125531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Computes a bounding rectangle for a range of cells 1256aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 125731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellX X coordinate of upper left corner expressed as a cell position 125831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellY Y coordinate of upper left corner expressed as a cell position 1259aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * @param cellHSpan Width in cells 126031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellVSpan Height in cells 12616569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param resultRect Rect into which to put the results 126231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 12636569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy public void cellToRect(int cellX, int cellY, int cellHSpan, int cellVSpan, RectF resultRect) { 126431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellWidth = mCellWidth; 126531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellHeight = mCellHeight; 126631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int widthGap = mWidthGap; 126731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int heightGap = mHeightGap; 1268aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1269aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int hStartPadding = getLeftPadding(); 1270aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int vStartPadding = getTopPadding(); 1271aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 127231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int width = cellHSpan * cellWidth + ((cellHSpan - 1) * widthGap); 127331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int height = cellVSpan * cellHeight + ((cellVSpan - 1) * heightGap); 127431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 127531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int x = hStartPadding + cellX * (cellWidth + widthGap); 127631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int y = vStartPadding + cellY * (cellHeight + heightGap); 1277aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 12786569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy resultRect.set(x, y, x + width, y + height); 127931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1280aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 128131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 1282aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Computes the required horizontal and vertical cell spans to always 128331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * fit the given rectangle. 1284aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 128531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param width Width in pixels 128631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param height Height in pixels 12878f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy * @param result An array of length 2 in which to store the result (may be null). 128831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 12898f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy public int[] rectToCell(int width, int height, int[] result) { 12909987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka return rectToCell(getResources(), width, height, result); 12919987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka } 12929987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka 12939987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka public static int[] rectToCell(Resources resources, int width, int height, int[] result) { 129431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Always assume we're working with the smallest span to make sure we 129531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // reserve enough space in both orientations. 129679e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato int actualWidth = resources.getDimensionPixelSize(R.dimen.workspace_cell_width); 129779e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato int actualHeight = resources.getDimensionPixelSize(R.dimen.workspace_cell_height); 129831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int smallerSize = Math.min(actualWidth, actualHeight); 129979e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato 130031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Always round up to next largest cell 130131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanX = (width + smallerSize) / smallerSize; 130231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanY = (height + smallerSize) / smallerSize; 130379e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato 13048f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy if (result == null) { 13058f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy return new int[] { spanX, spanY }; 13068f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy } 13078f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[0] = spanX; 13088f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[1] = spanY; 13098f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy return result; 131031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 131131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 131231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 131331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Find the first vacant cell, if there is one. 131431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 131531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param vacant Holds the x and y coordinate of the vacant cell 131631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX Horizontal cell span. 131731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY Vertical cell span. 1318aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 131931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return True if a vacant cell was found 132031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 132131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean getVacantCell(int[] vacant, int spanX, int spanY) { 132231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13230280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findVacantCell(vacant, spanX, spanY, mCountX, mCountY, mOccupied); 132431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 132531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 132631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project static boolean findVacantCell(int[] vacant, int spanX, int spanY, 132731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int xCount, int yCount, boolean[][] occupied) { 132831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 132931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int x = 0; x < xCount; x++) { 133031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int y = 0; y < yCount; y++) { 133131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean available = !occupied[x][y]; 133231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectout: for (int i = x; i < x + spanX - 1 && x < xCount; i++) { 133331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int j = y; j < y + spanY - 1 && y < yCount; j++) { 133431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project available = available && !occupied[i][j]; 133531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!available) break out; 133631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 133731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 133831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 133931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (available) { 134031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project vacant[0] = x; 134131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project vacant[1] = y; 134231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 134331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 134431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 134531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 134631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 134731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 134831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 134931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13500280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void clearOccupiedCells() { 13510280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = 0; x < mCountX; x++) { 13520280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = 0; y < mCountY; y++) { 13530280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied[x][y] = false; 135431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 135531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 13560280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 135731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13580280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void onMove(View view, int newCellX, int newCellY) { 13590280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 13600280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 13610280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsForView(newCellX, newCellY, lp.cellHSpan, lp.cellVSpan, true); 13620280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 136331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13640280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void markCellsAsOccupiedForView(View view) { 1365c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka if (view == null || view.getParent() != this) return; 13660280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 13670280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsForView(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, true); 13680280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 13690280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 13700280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void markCellsAsUnoccupiedForView(View view) { 1371c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka if (view == null || view.getParent() != this) return; 13720280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 13730280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsForView(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, false); 13740280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 13750280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 13760280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void markCellsForView(int cellX, int cellY, int spanX, int spanY, boolean value) { 13770280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = cellX; x < cellX + spanX && x < mCountX; x++) { 13780280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = cellY; y < cellY + spanY && y < mCountY; y++) { 13790280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied[x][y] = value; 138031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 138131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 138231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 138331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 138431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 138531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public ViewGroup.LayoutParams generateLayoutParams(AttributeSet attrs) { 138631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new CellLayout.LayoutParams(getContext(), attrs); 138731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 138831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 138931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 139031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected boolean checkLayoutParams(ViewGroup.LayoutParams p) { 139131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return p instanceof CellLayout.LayoutParams; 139231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 139331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 139431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 139531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected ViewGroup.LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) { 139631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new CellLayout.LayoutParams(p); 139731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 139831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1399aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public static class CellLayoutAnimationController extends LayoutAnimationController { 1400aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public CellLayoutAnimationController(Animation animation, float delay) { 1401aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung super(animation, delay); 1402aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1403aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1404aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung @Override 1405aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung protected long getDelayForView(View view) { 1406aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return (int) (Math.random() * 150); 1407aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1408aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1409aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 141031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static class LayoutParams extends ViewGroup.MarginLayoutParams { 141131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 141231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Horizontal location of the item in the grid. 141331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 141431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 141531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellX; 141631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 141731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 141831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Vertical location of the item in the grid. 141931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 142031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 142131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellY; 142231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 142331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 142431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Number of cells spanned horizontally by the item. 142531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 142631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 142731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellHSpan; 142831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 142931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 143031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Number of cells spanned vertically by the item. 143131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 143231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 143331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellVSpan; 1434aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 143531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 143631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Is this item currently being dragged 143731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 143831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean isDragging; 143931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 144031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // X coordinate of the view in the layout. 144131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 144231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int x; 144331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Y coordinate of the view in the layout. 144431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 144531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int y; 144631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1447ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy /** 1448ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * The old X coordinate of this item, relative to its current parent. 1449ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * Used to animate the item into its new position. 1450ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy */ 1451ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy int oldX; 1452ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 1453ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy /** 1454ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * The old Y coordinate of this item, relative to its current parent. 1455ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * Used to animate the item into its new position. 1456ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy */ 1457ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy int oldY; 1458ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 145984f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy boolean dropped; 1460fcb9e7144e58614f5ae0e9b272fb7ce040848c67Romain Guy 146131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(Context c, AttributeSet attrs) { 146231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(c, attrs); 146331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellHSpan = 1; 146431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellVSpan = 1; 146531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 146631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 146731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(ViewGroup.LayoutParams source) { 146831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(source); 146931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellHSpan = 1; 147031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellVSpan = 1; 147131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1472aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1473aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public LayoutParams(LayoutParams source) { 1474aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung super(source); 1475aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellX = source.cellX; 1476aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellY = source.cellY; 1477aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellHSpan = source.cellHSpan; 1478aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellVSpan = source.cellVSpan; 1479aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1480aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 148131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(int cellX, int cellY, int cellHSpan, int cellVSpan) { 14828f19cdd62f6e2be05e3890916eabd11317ae1bc2Romain Guy super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); 148331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellX = cellX; 148431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellY = cellY; 148531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellHSpan = cellHSpan; 148631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellVSpan = cellVSpan; 148731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 148831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 148931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void setup(int cellWidth, int cellHeight, int widthGap, int heightGap, 149031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int hStartPadding, int vStartPadding) { 1491aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 149231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellHSpan = cellHSpan; 149331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellVSpan = cellVSpan; 149431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellX = cellX; 149531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellY = cellY; 1496aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 149731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project width = myCellHSpan * cellWidth + ((myCellHSpan - 1) * widthGap) - 149831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project leftMargin - rightMargin; 149931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project height = myCellVSpan * cellHeight + ((myCellVSpan - 1) * heightGap) - 150031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project topMargin - bottomMargin; 150131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 150231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project x = hStartPadding + myCellX * (cellWidth + widthGap) + leftMargin; 150331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project y = vStartPadding + myCellY * (cellHeight + heightGap) + topMargin; 150431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1505aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1506aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public String toString() { 1507aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return "(" + this.cellX + ", " + this.cellY + ")"; 1508aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 150931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 151031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 15110280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // This class stores info for two purposes: 15120280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // 1. When dragging items (mDragInfo in Workspace), we store the View, its cellX & cellY, 15130280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // its spanX, spanY, and the screen it is on 15140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // 2. When long clicking on an empty cell in a CellLayout, we save information about the 15150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // cellX and cellY coordinates and which page was clicked. We then set this as a tag on 15160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // the CellLayout that was long clicked 151731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project static final class CellInfo implements ContextMenu.ContextMenuInfo { 151831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View cell; 1519a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka int cellX = -1; 1520a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka int cellY = -1; 152131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanX; 152231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanY; 152331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screen; 152431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean valid; 152531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 152631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 152731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public String toString() { 1528aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return "Cell[view=" + (cell == null ? "null" : cell.getClass()) 1529aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung + ", x=" + cellX + ", y=" + cellY + "]"; 153031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 153131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 153231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project} 1533