CellLayout.java revision 967289b6d5fec77f5c381d11ffb2319f3bb5e737
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 194be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.animation.Animator; 204be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.animation.AnimatorListenerAdapter; 2118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurkaimport android.animation.AnimatorSet; 2218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurkaimport android.animation.ObjectAnimator; 23bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohenimport android.animation.PropertyValuesHolder; 2400397b1d9233409d9d6b233b077ae12d09768ce8Chet Haaseimport android.animation.TimeInterpolator; 25de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.animation.ValueAnimator; 26de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.animation.ValueAnimator.AnimatorUpdateListener; 2731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.Context; 2879e56263dbcbe85dc434df372bc6e6730aa13477Joe Onoratoimport android.content.res.Resources; 29aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.content.res.TypedArray; 304be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.graphics.Bitmap; 31aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.graphics.Canvas; 324be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.graphics.Paint; 33de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.graphics.Point; 34de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.graphics.PointF; 3531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Rect; 3631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.RectF; 3718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurkaimport android.graphics.Region; 386569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroyimport android.graphics.drawable.Drawable; 3931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.util.AttributeSet; 404be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.util.Log; 4131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.MotionEvent; 4231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.View; 4331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewDebug; 4431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewGroup; 45aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.view.animation.Animation; 46150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chungimport android.view.animation.DecelerateInterpolator; 47aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.view.animation.LayoutAnimationController; 4831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 496639687cd67bab1aeef2a75e5c6bc458b20dc082Adam Cohenimport com.android.launcher.R; 508e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy 51c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohenimport java.util.Arrays; 52bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohenimport java.util.HashMap; 53c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen 54bdb5c5342adc550559fd723af461e53248f2fba8Michael Jurkapublic class CellLayout extends ViewGroup { 55aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung static final String TAG = "CellLayout"; 56aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 574b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung private int mOriginalCellWidth; 584b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung private int mOriginalCellHeight; 5931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCellWidth; 6031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCellHeight; 61aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 62d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen private int mCountX; 63d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen private int mCountY; 6431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mWidthGap; 6631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mHeightGap; 674b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung private int mMaxGap; 6831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final Rect mRect = new Rect(); 7031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final CellInfo mCellInfo = new CellInfo(); 71aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 72de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // These are temporary variables to prevent having to allocate a new object just to 73de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // return an (x, y) value from helper functions. Do NOT use them to maintain other state. 740be025d64c1f84138fe430a58875886e66aae767Winson Chung private final int[] mTmpXY = new int[2]; 75de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final int[] mTmpPoint = new int[2]; 76de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final PointF mTmpPointF = new PointF(); 776569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 7831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean[][] mOccupied; 7931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 80dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka private OnTouchListener mInterceptTouchListener; 81dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 825f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka private float mBackgroundAlpha; 831b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen private float mBackgroundAlphaMultiplier = 1.0f; 84f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen 8533945b21544bc98381df17726a3537c292d8c985Michael Jurka private Drawable mNormalBackground; 8633945b21544bc98381df17726a3537c292d8c985Michael Jurka private Drawable mActiveBackground; 8733945b21544bc98381df17726a3537c292d8c985Michael Jurka private Drawable mActiveGlowBackground; 8833945b21544bc98381df17726a3537c292d8c985Michael Jurka private Drawable mNormalBackgroundMini; 8933945b21544bc98381df17726a3537c292d8c985Michael Jurka private Drawable mNormalGlowBackgroundMini; 9033945b21544bc98381df17726a3537c292d8c985Michael Jurka private Drawable mActiveBackgroundMini; 9133945b21544bc98381df17726a3537c292d8c985Michael Jurka private Drawable mActiveGlowBackgroundMini; 9218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka private Rect mBackgroundRect; 9333945b21544bc98381df17726a3537c292d8c985Michael Jurka private Rect mGlowBackgroundRect; 9433945b21544bc98381df17726a3537c292d8c985Michael Jurka private float mGlowBackgroundScale; 9533945b21544bc98381df17726a3537c292d8c985Michael Jurka private float mGlowBackgroundAlpha; 9633945b21544bc98381df17726a3537c292d8c985Michael Jurka 97df0353815c629fc678824b07a234b89a1ff94208Adam Cohen private boolean mAcceptsDrops = true; 9833945b21544bc98381df17726a3537c292d8c985Michael Jurka // If we're actively dragging something over this screen, mIsDragOverlapping is true 9933945b21544bc98381df17726a3537c292d8c985Michael Jurka private boolean mIsDragOverlapping = false; 10033945b21544bc98381df17726a3537c292d8c985Michael Jurka private boolean mIsDragOccuring = false; 10133945b21544bc98381df17726a3537c292d8c985Michael Jurka private boolean mIsDefaultDropTarget = false; 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. 10663257c110a4ee54d5e8872c471cce254cf613c7aWinson Chung private Point[] mDragOutlines = new Point[4]; 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 11596864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy private BubbleTextView mPressedOrFocusedIcon; 11696864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy 117de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private Drawable mCrosshairsDrawable = null; 11849250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy private InterruptibleInOutAnimator mCrosshairsAnimator = null; 119de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private float mCrosshairsVisibility = 0.0f; 120de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 121bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen private HashMap<CellLayout.LayoutParams, ObjectAnimator> mReorderAnimators = new 122bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen HashMap<CellLayout.LayoutParams, ObjectAnimator>(); 123bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen 1246569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // When a drag operation is in progress, holds the nearest cell to the touch point 1256569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy private final int[] mDragCell = new int[2]; 12631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1274be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private boolean mDragging = false; 1284be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 129ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy private TimeInterpolator mEaseOutInterpolator; 1308c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka private CellLayoutChildren mChildren; 131ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 13231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context) { 13331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, null); 13431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 13531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context, AttributeSet attrs) { 13731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, attrs, 0); 13831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 13931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 14031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context, AttributeSet attrs, int defStyle) { 14131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(context, attrs, defStyle); 1426569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1436569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // A ViewGroup usually does not draw, but CellLayout needs to draw a rectangle to show 1446569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // the user where a dragged item will land when dropped. 1456569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy setWillNotDraw(false); 146a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka 14731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CellLayout, defStyle, 0); 14831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1494b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mOriginalCellWidth = 1504b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mCellWidth = a.getDimensionPixelSize(R.styleable.CellLayout_cellWidth, 10); 1514b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mOriginalCellHeight = 1524b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mCellHeight = a.getDimensionPixelSize(R.styleable.CellLayout_cellHeight, 10); 1534b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mWidthGap = a.getDimensionPixelSize(R.styleable.CellLayout_widthGap, 0); 1544b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mHeightGap = a.getDimensionPixelSize(R.styleable.CellLayout_heightGap, 0); 1554b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mMaxGap = a.getDimensionPixelSize(R.styleable.CellLayout_maxGap, 0); 156d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mCountX = LauncherModel.getCellCountX(); 157d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mCountY = LauncherModel.getCellCountY(); 1580280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied = new boolean[mCountX][mCountY]; 15931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 16031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project a.recycle(); 16131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 16231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project setAlwaysDrawnWithCacheEnabled(false); 16331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 164046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final Resources res = getResources(); 165de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 166967289b6d5fec77f5c381d11ffb2319f3bb5e737Winson Chung mNormalBackground = res.getDrawable(R.drawable.homescreen_blue_normal_holo); 167967289b6d5fec77f5c381d11ffb2319f3bb5e737Winson Chung mActiveBackground = res.getDrawable(R.drawable.homescreen_green_normal_holo); 168967289b6d5fec77f5c381d11ffb2319f3bb5e737Winson Chung mActiveGlowBackground = res.getDrawable(R.drawable.homescreen_green_strong_holo); 169b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung 170b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung mNormalBackgroundMini = res.getDrawable(R.drawable.homescreen_small_blue); 171b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung mNormalGlowBackgroundMini = res.getDrawable(R.drawable.homescreen_small_blue_strong); 172b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung mActiveBackgroundMini = res.getDrawable(R.drawable.homescreen_small_green); 173b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung mActiveGlowBackgroundMini = res.getDrawable(R.drawable.homescreen_small_green_strong); 174b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung 175b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung mNormalBackground.setFilterBitmap(true); 176b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung mActiveBackground.setFilterBitmap(true); 177b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung mActiveGlowBackground.setFilterBitmap(true); 178b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung mNormalBackgroundMini.setFilterBitmap(true); 179b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung mNormalGlowBackgroundMini.setFilterBitmap(true); 180b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung mActiveBackgroundMini.setFilterBitmap(true); 181b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung mActiveGlowBackgroundMini.setFilterBitmap(true); 182de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 183046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Initialize the data structures used for the drag visualization. 184150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 185046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy mCrosshairsDrawable = res.getDrawable(R.drawable.gardening_crosshairs); 186ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy mEaseOutInterpolator = new DecelerateInterpolator(2.5f); // Quint ease out 187de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 188046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Set up the animation for fading the crosshairs in and out 189046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy int animDuration = res.getInteger(R.integer.config_crosshairsFadeInTime); 19049250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy mCrosshairsAnimator = new InterruptibleInOutAnimator(animDuration, 0.0f, 1.0f); 191472b281d5cb4f5660df981a6c912266b9f5703feChet Haase mCrosshairsAnimator.getAnimator().addUpdateListener(new AnimatorUpdateListener() { 192046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy public void onAnimationUpdate(ValueAnimator animation) { 193046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy mCrosshairsVisibility = ((Float) animation.getAnimatedValue()).floatValue(); 1948e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy invalidate(); 195046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy } 196046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy }); 197ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy mCrosshairsAnimator.getAnimator().setInterpolator(mEaseOutInterpolator); 198046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy 1994be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlines.length; i++) { 2004be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragOutlines[i] = new Point(-1, -1); 201046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy } 202046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy 203046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // When dragging things around the home screens, we show a green outline of 204046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // where the item will land. The outlines gradually fade out, leaving a trail 205046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // behind the drag path. 206046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Set up all the animations that are used to implement this fading. 207046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final int duration = res.getInteger(R.integer.config_dragOutlineFadeTime); 208472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float fromAlphaValue = 0; 209472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float toAlphaValue = (float)res.getInteger(R.integer.config_dragOutlineMaxAlpha); 2104be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 2118e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy Arrays.fill(mDragOutlineAlphas, fromAlphaValue); 2124be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 2134be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlineAnims.length; i++) { 214046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final InterruptibleInOutAnimator anim = 215046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy new InterruptibleInOutAnimator(duration, fromAlphaValue, toAlphaValue); 216ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy anim.getAnimator().setInterpolator(mEaseOutInterpolator); 217046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final int thisIndex = i; 218472b281d5cb4f5660df981a6c912266b9f5703feChet Haase anim.getAnimator().addUpdateListener(new AnimatorUpdateListener() { 219de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy public void onAnimationUpdate(ValueAnimator animation) { 2204be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Bitmap outline = (Bitmap)anim.getTag(); 2214be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 2224be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // If an animation is started and then stopped very quickly, we can still 2234be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // get spurious updates we've cleared the tag. Guard against this. 2244be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (outline == null) { 225fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy if (false) { 226fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy Object val = animation.getAnimatedValue(); 227fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy Log.d(TAG, "anim " + thisIndex + " update: " + val + 228fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy ", isStopped " + anim.isStopped()); 229fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy } 2304be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Try to prevent it from continuing to run 2314be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato animation.cancel(); 2324be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } else { 233472b281d5cb4f5660df981a6c912266b9f5703feChet Haase mDragOutlineAlphas[thisIndex] = (Float) animation.getAnimatedValue(); 2344be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int left = mDragOutlines[thisIndex].x; 2354be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int top = mDragOutlines[thisIndex].y; 2364be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato CellLayout.this.invalidate(left, top, 2374be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato left + outline.getWidth(), top + outline.getHeight()); 2384be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 239de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 240de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy }); 2414be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // The animation holds a reference to the drag outline bitmap as long is it's 2424be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // running. This way the bitmap can be GCed when the animations are complete. 243472b281d5cb4f5660df981a6c912266b9f5703feChet Haase anim.getAnimator().addListener(new AnimatorListenerAdapter() { 2443c4c20fbe682cb4b3ef94f09afe0af09171583f3Michael Jurka @Override 2454be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato public void onAnimationEnd(Animator animation) { 246472b281d5cb4f5660df981a6c912266b9f5703feChet Haase if ((Float) ((ValueAnimator) animation).getAnimatedValue() == 0f) { 2474be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato anim.setTag(null); 2484be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 2494be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 2504be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato }); 2514be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragOutlineAnims[i] = anim; 252de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 253ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 25418014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundRect = new Rect(); 25533945b21544bc98381df17726a3537c292d8c985Michael Jurka mGlowBackgroundRect = new Rect(); 25618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHoverScale(1.0f); 25718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka setHoverAlpha(1.0f); 258bea15195346bab3c52b0156e92f2b71f0811b210Michael Jurka 2598c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren = new CellLayoutChildren(context); 2607f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen mChildren.setCellDimensions(mCellWidth, mCellHeight, mWidthGap, mHeightGap); 2618c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka addView(mChildren); 26218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 26318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 264f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka static int widthInPortrait(Resources r, int numCells) { 265f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka // We use this method from Workspace to figure out how many rows/columns Launcher should 266f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka // have. We ignore the left/right padding on CellLayout because it turns out in our design 267f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka // the padding extends outside the visible screen size, but it looked fine anyway. 268f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka int cellWidth = r.getDimensionPixelSize(R.dimen.workspace_cell_width); 2694b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int minGap = Math.min(r.getDimensionPixelSize(R.dimen.workspace_width_gap), 2704b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung r.getDimensionPixelSize(R.dimen.workspace_height_gap)); 271f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka 2724b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung return minGap * (numCells - 1) + cellWidth * numCells; 273f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka } 274f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka 275f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka static int heightInLandscape(Resources r, int numCells) { 276f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka // We use this method from Workspace to figure out how many rows/columns Launcher should 277f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka // have. We ignore the left/right padding on CellLayout because it turns out in our design 278f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka // the padding extends outside the visible screen size, but it looked fine anyway. 279f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka int cellHeight = r.getDimensionPixelSize(R.dimen.workspace_cell_height); 2804b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int minGap = Math.min(r.getDimensionPixelSize(R.dimen.workspace_width_gap), 2814b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung r.getDimensionPixelSize(R.dimen.workspace_height_gap)); 282f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka 2834b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung return minGap * (numCells - 1) + cellHeight * numCells; 284f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka } 285f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka 2862801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen public void enableHardwareLayers() { 2872801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen mChildren.enableHardwareLayers(); 2882801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 2892801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen 2902801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen public void setGridSize(int x, int y) { 2912801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen mCountX = x; 2922801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen mCountY = y; 2932801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen mOccupied = new boolean[mCountX][mCountY]; 29476fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen requestLayout(); 2952801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 2962801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen 29796864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy private void invalidateBubbleTextView(BubbleTextView icon) { 29896864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy final int padding = icon.getPressedOrFocusedBackgroundPadding(); 2994b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung invalidate(icon.getLeft() + getPaddingLeft() - padding, 3004b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung icon.getTop() + getPaddingTop() - padding, 3014b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung icon.getRight() + getPaddingLeft() + padding, 3024b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung icon.getBottom() + getPaddingTop() + padding); 30396864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy } 30496864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy 30596864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy void setPressedOrFocusedIcon(BubbleTextView icon) { 30696864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy // We draw the pressed or focused BubbleTextView's background in CellLayout because it 30796864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy // requires an expanded clip rect (due to the glow's blur radius) 30896864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy BubbleTextView oldIcon = mPressedOrFocusedIcon; 30996864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy mPressedOrFocusedIcon = icon; 31096864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy if (oldIcon != null) { 31196864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy invalidateBubbleTextView(oldIcon); 31296864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy } 31396864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy if (mPressedOrFocusedIcon != null) { 31496864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy invalidateBubbleTextView(mPressedOrFocusedIcon); 31596864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy } 31696864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy } 31796864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy 3186e3140865d3f0def2e55934d8b0b2c1503386e54Winson Chung public CellLayoutChildren getChildrenLayout() { 3196e3140865d3f0def2e55934d8b0b2c1503386e54Winson Chung if (getChildCount() > 0) { 3206e3140865d3f0def2e55934d8b0b2c1503386e54Winson Chung return (CellLayoutChildren) getChildAt(0); 3216e3140865d3f0def2e55934d8b0b2c1503386e54Winson Chung } 3226e3140865d3f0def2e55934d8b0b2c1503386e54Winson Chung return null; 3236e3140865d3f0def2e55934d8b0b2c1503386e54Winson Chung } 3246e3140865d3f0def2e55934d8b0b2c1503386e54Winson Chung 32533945b21544bc98381df17726a3537c292d8c985Michael Jurka public void setIsDefaultDropTarget(boolean isDefaultDropTarget) { 32633945b21544bc98381df17726a3537c292d8c985Michael Jurka if (mIsDefaultDropTarget != isDefaultDropTarget) { 32733945b21544bc98381df17726a3537c292d8c985Michael Jurka mIsDefaultDropTarget = isDefaultDropTarget; 32833945b21544bc98381df17726a3537c292d8c985Michael Jurka invalidate(); 32933945b21544bc98381df17726a3537c292d8c985Michael Jurka } 33033945b21544bc98381df17726a3537c292d8c985Michael Jurka } 33133945b21544bc98381df17726a3537c292d8c985Michael Jurka 33233945b21544bc98381df17726a3537c292d8c985Michael Jurka void setIsDragOccuring(boolean isDragOccuring) { 33333945b21544bc98381df17726a3537c292d8c985Michael Jurka if (mIsDragOccuring != isDragOccuring) { 33433945b21544bc98381df17726a3537c292d8c985Michael Jurka mIsDragOccuring = isDragOccuring; 33533945b21544bc98381df17726a3537c292d8c985Michael Jurka invalidate(); 33633945b21544bc98381df17726a3537c292d8c985Michael Jurka } 33733945b21544bc98381df17726a3537c292d8c985Michael Jurka } 33833945b21544bc98381df17726a3537c292d8c985Michael Jurka 33933945b21544bc98381df17726a3537c292d8c985Michael Jurka void setIsDragOverlapping(boolean isDragOverlapping) { 34033945b21544bc98381df17726a3537c292d8c985Michael Jurka if (mIsDragOverlapping != isDragOverlapping) { 34133945b21544bc98381df17726a3537c292d8c985Michael Jurka mIsDragOverlapping = isDragOverlapping; 34233945b21544bc98381df17726a3537c292d8c985Michael Jurka invalidate(); 34333945b21544bc98381df17726a3537c292d8c985Michael Jurka } 34433945b21544bc98381df17726a3537c292d8c985Michael Jurka } 34533945b21544bc98381df17726a3537c292d8c985Michael Jurka 34633945b21544bc98381df17726a3537c292d8c985Michael Jurka boolean getIsDragOverlapping() { 34733945b21544bc98381df17726a3537c292d8c985Michael Jurka return mIsDragOverlapping; 34833945b21544bc98381df17726a3537c292d8c985Michael Jurka } 34933945b21544bc98381df17726a3537c292d8c985Michael Jurka 35033945b21544bc98381df17726a3537c292d8c985Michael Jurka private void updateGlowRect() { 35133945b21544bc98381df17726a3537c292d8c985Michael Jurka float marginFraction = (mGlowBackgroundScale - 1.0f) / 2.0f; 35218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka int marginX = (int) (marginFraction * (mBackgroundRect.right - mBackgroundRect.left)); 35318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka int marginY = (int) (marginFraction * (mBackgroundRect.bottom - mBackgroundRect.top)); 35433945b21544bc98381df17726a3537c292d8c985Michael Jurka mGlowBackgroundRect.set(mBackgroundRect.left - marginX, mBackgroundRect.top - marginY, 35518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundRect.right + marginX, mBackgroundRect.bottom + marginY); 35618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka invalidate(); 35718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 35818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 35918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public void setHoverScale(float scaleFactor) { 36033945b21544bc98381df17726a3537c292d8c985Michael Jurka if (scaleFactor != mGlowBackgroundScale) { 36133945b21544bc98381df17726a3537c292d8c985Michael Jurka mGlowBackgroundScale = scaleFactor; 36233945b21544bc98381df17726a3537c292d8c985Michael Jurka updateGlowRect(); 3638deb1e6a17900253708fad73016db05851b8d822Michael Jurka if (getParent() != null) { 3648deb1e6a17900253708fad73016db05851b8d822Michael Jurka ((View) getParent()).invalidate(); 3658deb1e6a17900253708fad73016db05851b8d822Michael Jurka } 36618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 36718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 36818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 36918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public float getHoverScale() { 37033945b21544bc98381df17726a3537c292d8c985Michael Jurka return mGlowBackgroundScale; 37118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 37218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 37318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public float getHoverAlpha() { 37433945b21544bc98381df17726a3537c292d8c985Michael Jurka return mGlowBackgroundAlpha; 37518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 37618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 37718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka public void setHoverAlpha(float alpha) { 37833945b21544bc98381df17726a3537c292d8c985Michael Jurka mGlowBackgroundAlpha = alpha; 37918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka invalidate(); 38018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 38118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 38218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka void animateDrop() { 383b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung Resources res = getResources(); 384b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung float onDropScale = res.getInteger(R.integer.config_screenOnDropScalePercent) / 100.0f; 385b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung ObjectAnimator scaleUp = ObjectAnimator.ofFloat(this, "hoverScale", onDropScale); 386b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung scaleUp.setDuration(res.getInteger(R.integer.config_screenOnDropScaleUpDuration)); 387b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung ObjectAnimator scaleDown = ObjectAnimator.ofFloat(this, "hoverScale", 1.0f); 388b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung scaleDown.setDuration(res.getInteger(R.integer.config_screenOnDropScaleDownDuration)); 389b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung ObjectAnimator alphaFadeOut = ObjectAnimator.ofFloat(this, "hoverAlpha", 0.0f); 390b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung 391b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung alphaFadeOut.setStartDelay(res.getInteger(R.integer.config_screenOnDropAlphaFadeDelay)); 392b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung alphaFadeOut.setDuration(res.getInteger(R.integer.config_screenOnDropAlphaFadeDuration)); 393b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung 394b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung AnimatorSet bouncer = new AnimatorSet(); 395b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung bouncer.play(scaleUp).before(scaleDown); 396b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung bouncer.play(scaleUp).with(alphaFadeOut); 397b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung bouncer.addListener(new AnimatorListenerAdapter() { 398b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung @Override 399b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung public void onAnimationStart(Animator animation) { 400b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung setIsDragOverlapping(true); 401b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung } 402b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung @Override 403b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung public void onAnimationEnd(Animator animation) { 404b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung setIsDragOverlapping(false); 405b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung setHoverScale(1.0f); 406b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung setHoverAlpha(1.0f); 407b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung } 408b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung }); 409b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung bouncer.start(); 410a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy } 411a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy 412a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy @Override 4131262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy protected void onDraw(Canvas canvas) { 4143e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // When we're large, we are either drawn in a "hover" state (ie when dragging an item to 4153e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // a neighboring page) or with just a normal background (if backgroundAlpha > 0.0f) 4163e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // When we're small, we are either drawn normally or in the "accepts drops" state (during 4173e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // a drag). However, we also drag the mini hover background *over* one of those two 4183e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // backgrounds 419b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung if (mBackgroundAlpha > 0.0f) { 420f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen Drawable bg; 42133945b21544bc98381df17726a3537c292d8c985Michael Jurka boolean mini = getScaleX() < 0.5f; 42233945b21544bc98381df17726a3537c292d8c985Michael Jurka 42333945b21544bc98381df17726a3537c292d8c985Michael Jurka if (mIsDragOverlapping) { 42433945b21544bc98381df17726a3537c292d8c985Michael Jurka // In the mini case, we draw the active_glow bg *over* the active background 42533945b21544bc98381df17726a3537c292d8c985Michael Jurka bg = mini ? mActiveBackgroundMini : mActiveGlowBackground; 42633945b21544bc98381df17726a3537c292d8c985Michael Jurka } else if (mIsDragOccuring && mAcceptsDrops) { 42733945b21544bc98381df17726a3537c292d8c985Michael Jurka bg = mini ? mActiveBackgroundMini : mActiveBackground; 4283af863ba31e293e577c05537c9b8f7dc850a5e56Adam Cohen } else if (mIsDefaultDropTarget && mini) { 4293af863ba31e293e577c05537c9b8f7dc850a5e56Adam Cohen bg = mNormalGlowBackgroundMini; 430f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } else { 43133945b21544bc98381df17726a3537c292d8c985Michael Jurka bg = mini ? mNormalBackgroundMini : mNormalBackground; 432f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 43333945b21544bc98381df17726a3537c292d8c985Michael Jurka 43433945b21544bc98381df17726a3537c292d8c985Michael Jurka bg.setAlpha((int) (mBackgroundAlpha * mBackgroundAlphaMultiplier * 255)); 43533945b21544bc98381df17726a3537c292d8c985Michael Jurka bg.setBounds(mBackgroundRect); 43633945b21544bc98381df17726a3537c292d8c985Michael Jurka bg.draw(canvas); 43733945b21544bc98381df17726a3537c292d8c985Michael Jurka 43833945b21544bc98381df17726a3537c292d8c985Michael Jurka if (mini && mIsDragOverlapping) { 43918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka boolean modifiedClipRect = false; 44033945b21544bc98381df17726a3537c292d8c985Michael Jurka if (mGlowBackgroundScale > 1.0f) { 44118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka // If the hover background's scale is greater than 1, we'll be drawing outside 44218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka // the bounds of this CellLayout. Get around that by temporarily increasing the 44318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka // size of the clip rect 44433945b21544bc98381df17726a3537c292d8c985Michael Jurka float marginFraction = (mGlowBackgroundScale - 1.0f) / 2.0f; 44518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka Rect clipRect = canvas.getClipBounds(); 44618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka int marginX = (int) (marginFraction * (clipRect.right - clipRect.left)); 44718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka int marginY = (int) (marginFraction * (clipRect.bottom - clipRect.top)); 44818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka canvas.save(Canvas.CLIP_SAVE_FLAG); 44918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka canvas.clipRect(-marginX, -marginY, 45018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka getWidth() + marginX, getHeight() + marginY, Region.Op.REPLACE); 45118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka modifiedClipRect = true; 45218014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 45318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 45433945b21544bc98381df17726a3537c292d8c985Michael Jurka mActiveGlowBackgroundMini.setAlpha( 45533945b21544bc98381df17726a3537c292d8c985Michael Jurka (int) (mBackgroundAlpha * mGlowBackgroundAlpha * 255)); 45633945b21544bc98381df17726a3537c292d8c985Michael Jurka mActiveGlowBackgroundMini.setBounds(mGlowBackgroundRect); 45733945b21544bc98381df17726a3537c292d8c985Michael Jurka mActiveGlowBackgroundMini.draw(canvas); 45818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka if (modifiedClipRect) { 45918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka canvas.restore(); 46018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 4613e7c7634531302271270c8cf418abc959d621cbcMichael Jurka } 462a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 46331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 464de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (mCrosshairsVisibility > 0.0f) { 465de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countX = mCountX; 466de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countY = mCountY; 467de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 468de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final float MAX_ALPHA = 0.4f; 469de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int MAX_VISIBLE_DISTANCE = 600; 470de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final float DISTANCE_MULTIPLIER = 0.002f; 471de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 472de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final Drawable d = mCrosshairsDrawable; 473de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int width = d.getIntrinsicWidth(); 474de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int height = d.getIntrinsicHeight(); 475de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 4764b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int x = getPaddingLeft() - (mWidthGap / 2) - (width / 2); 477de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int col = 0; col <= countX; col++) { 4784b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int y = getPaddingTop() - (mHeightGap / 2) - (height / 2); 479de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int row = 0; row <= countY; row++) { 480de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mTmpPointF.set(x - mDragCenter.x, y - mDragCenter.y); 481de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy float dist = mTmpPointF.length(); 482de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // Crosshairs further from the drag point are more faint 483de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy float alpha = Math.min(MAX_ALPHA, 484de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy DISTANCE_MULTIPLIER * (MAX_VISIBLE_DISTANCE - dist)); 485de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (alpha > 0.0f) { 486de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.setBounds(x, y, x + width, y + height); 487de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.setAlpha((int) (alpha * 255 * mCrosshairsVisibility)); 488de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.draw(canvas); 489de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 490de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy y += mCellHeight + mHeightGap; 491de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 492de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy x += mCellWidth + mWidthGap; 493de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 4944be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 495150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 4968e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy final Paint paint = mDragOutlinePaint; 4974be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlines.length; i++) { 498472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float alpha = mDragOutlineAlphas[i]; 4994be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (alpha > 0) { 5004be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Point p = mDragOutlines[i]; 5014be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Bitmap b = (Bitmap) mDragOutlineAnims[i].getTag(); 502472b281d5cb4f5660df981a6c912266b9f5703feChet Haase paint.setAlpha((int)(alpha + .5f)); 5034be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato canvas.drawBitmap(b, p.x, p.y, paint); 504150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung } 5056569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 50696864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy 50796864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy // We draw the pressed or focused BubbleTextView's background in CellLayout because it 50896864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy // requires an expanded clip rect (due to the glow's blur radius) 50996864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy if (mPressedOrFocusedIcon != null) { 51096864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy final int padding = mPressedOrFocusedIcon.getPressedOrFocusedBackgroundPadding(); 51196864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy final Bitmap b = mPressedOrFocusedIcon.getPressedOrFocusedBackground(); 51296864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy if (b != null) { 51396864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy canvas.drawBitmap(b, 5144b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mPressedOrFocusedIcon.getLeft() + getPaddingLeft() - padding, 5154b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mPressedOrFocusedIcon.getTop() + getPaddingTop() - padding, 51696864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy null); 51796864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy } 51896864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy } 5196569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 5206569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 5216569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy @Override 52283f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey public void cancelLongPress() { 52383f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey super.cancelLongPress(); 52483f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey 52583f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey // Cancel long press for all children 52683f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey final int count = getChildCount(); 52783f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey for (int i = 0; i < count; i++) { 52883f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey final View child = getChildAt(i); 52983f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey child.cancelLongPress(); 53083f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey } 53183f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey } 53283f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey 533dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka public void setOnInterceptTouchListener(View.OnTouchListener listener) { 534dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka mInterceptTouchListener = listener; 535dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 536dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 53731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCountX() { 538d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen return mCountX; 53931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 54031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 54131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCountY() { 542d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen return mCountY; 54331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 54431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 545f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka public boolean addViewToCellLayout( 546f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka View child, int index, int childId, LayoutParams params, boolean markCells) { 547aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final LayoutParams lp = params; 548aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 54931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Generate an id for each view, this assumes we have at most 256x256 cells 55031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // per workspace screen 551d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellX >= 0 && lp.cellX <= mCountX - 1 && lp.cellY >= 0 && lp.cellY <= mCountY - 1) { 552aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // If the horizontal or vertical span is set to -1, it is taken to 553aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // mean that it spans the extent of the CellLayout 554d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellHSpan < 0) lp.cellHSpan = mCountX; 555d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellVSpan < 0) lp.cellVSpan = mCountY; 556aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 557aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung child.setId(childId); 55831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 5598c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.addView(child, index, lp); 560dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 561f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka if (markCells) markCellsAsOccupiedForView(child); 5620280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 563aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return true; 564aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 565aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return false; 56631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 5673e7c7634531302271270c8cf418abc959d621cbcMichael Jurka 568bea15195346bab3c52b0156e92f2b71f0811b210Michael Jurka public void setAcceptsDrops(boolean acceptsDrops) { 569bea15195346bab3c52b0156e92f2b71f0811b210Michael Jurka if (mAcceptsDrops != acceptsDrops) { 570bea15195346bab3c52b0156e92f2b71f0811b210Michael Jurka mAcceptsDrops = acceptsDrops; 571bea15195346bab3c52b0156e92f2b71f0811b210Michael Jurka invalidate(); 572bea15195346bab3c52b0156e92f2b71f0811b210Michael Jurka } 573bea15195346bab3c52b0156e92f2b71f0811b210Michael Jurka } 574bea15195346bab3c52b0156e92f2b71f0811b210Michael Jurka 57531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 5760280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeAllViews() { 5770280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka clearOccupiedCells(); 5788c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.removeAllViews(); 5790280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5800280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5810280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5820280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeAllViewsInLayout() { 5830280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka clearOccupiedCells(); 5848c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.removeAllViewsInLayout(); 5850280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5860280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 587f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka public void removeViewWithoutMarkingCells(View view) { 588cf6125c2d30ce02d8ab6cbe8e37a20f6a831e216Michael Jurka mChildren.removeView(view); 589f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka } 590f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka 5910280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5920280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeView(View view) { 5930280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 5948c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.removeView(view); 5950280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5960280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 5970280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 5980280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewAt(int index) { 5998c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka markCellsAsUnoccupiedForView(mChildren.getChildAt(index)); 6008c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.removeViewAt(index); 6010280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 6020280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 6030280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 6040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewInLayout(View view) { 6050280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 6068c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.removeViewInLayout(view); 6070280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 6080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 6090280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 6100280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViews(int start, int count) { 6110280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = start; i < start + count; i++) { 6128c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka markCellsAsUnoccupiedForView(mChildren.getChildAt(i)); 6130280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 6148c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.removeViews(start, count); 6150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 6160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 6170280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 6180280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewsInLayout(int start, int count) { 6190280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = start; i < start + count; i++) { 6208c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka markCellsAsUnoccupiedForView(mChildren.getChildAt(i)); 6210280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 6228c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.removeViewsInLayout(start, count); 6230280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 6240280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 6258c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka public void drawChildren(Canvas canvas) { 6268c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.draw(canvas); 62731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 62831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 629abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka void buildChildrenLayer() { 630abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka mChildren.buildLayer(); 631abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka } 632abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka 63331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 63431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onAttachedToWindow() { 63531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onAttachedToWindow(); 63631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellInfo.screen = ((ViewGroup) getParent()).indexOfChild(this); 63731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 63831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 639af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka public void setTagToCellInfoForPoint(int touchX, int touchY) { 64031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellInfo cellInfo = mCellInfo; 641af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final Rect frame = mRect; 642af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int x = touchX + mScrollX; 643af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int y = touchY + mScrollY; 6448c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka final int count = mChildren.getChildCount(); 64531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 646af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka boolean found = false; 647af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka for (int i = count - 1; i >= 0; i--) { 6488c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka final View child = mChildren.getChildAt(i); 649d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen final LayoutParams lp = (LayoutParams) child.getLayoutParams(); 650af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka 6511b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen if ((child.getVisibility() == VISIBLE || child.getAnimation() != null) && 6521b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen lp.isLockedToGrid) { 653af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka child.getHitRect(frame); 6540be025d64c1f84138fe430a58875886e66aae767Winson Chung 6550be025d64c1f84138fe430a58875886e66aae767Winson Chung // The child hit rect is relative to the CellLayoutChildren parent, so we need to 6560be025d64c1f84138fe430a58875886e66aae767Winson Chung // offset that by this CellLayout's padding to test an (x,y) point that is relative 6570be025d64c1f84138fe430a58875886e66aae767Winson Chung // to this view. 6580be025d64c1f84138fe430a58875886e66aae767Winson Chung final int tmpXY[] = mTmpXY; 6590be025d64c1f84138fe430a58875886e66aae767Winson Chung child.getLocationOnScreen(tmpXY); 6604b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung frame.offset(mPaddingLeft, mPaddingTop); 6610be025d64c1f84138fe430a58875886e66aae767Winson Chung 662af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (frame.contains(x, y)) { 663af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cell = child; 664af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellX = lp.cellX; 665af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellY = lp.cellY; 666af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanX = lp.cellHSpan; 667af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanY = lp.cellVSpan; 668af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.valid = true; 669af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka found = true; 670af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka break; 67131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 67231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 673af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 674aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 675af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (!found) { 6760be025d64c1f84138fe430a58875886e66aae767Winson Chung final int cellXY[] = mTmpXY; 677af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka pointToCellExact(x, y, cellXY); 67831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 679af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cell = null; 680af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellX = cellXY[0]; 681af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellY = cellXY[1]; 682af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanX = 1; 683af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanY = 1; 6840280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellInfo.valid = cellXY[0] >= 0 && cellXY[1] >= 0 && cellXY[0] < mCountX && 6850280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[1] < mCountY && !mOccupied[cellXY[0]][cellXY[1]]; 686af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 687af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka setTag(cellInfo); 688af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 68931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 690af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka @Override 691af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka public boolean onInterceptTouchEvent(MotionEvent ev) { 692dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka if (mInterceptTouchListener != null && mInterceptTouchListener.onTouch(this, ev)) { 693dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka return true; 694dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 695af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int action = ev.getAction(); 696af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final CellInfo cellInfo = mCellInfo; 69731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 698af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (action == MotionEvent.ACTION_DOWN) { 699af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka setTagToCellInfoForPoint((int) ev.getX(), (int) ev.getY()); 70031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (action == MotionEvent.ACTION_UP) { 70131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.cell = null; 70231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.cellX = -1; 70331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.cellY = -1; 70431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.spanX = 0; 70531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.spanY = 0; 70631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.valid = false; 70731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project setTag(cellInfo); 70831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 70931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 71031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 71131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 71231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 71331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 71431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellInfo getTag() { 7150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return (CellInfo) super.getTag(); 71631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 71731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7186569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 719aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Given a point, return the cell that strictly encloses that point 72031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x X coordinate of the point 72131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y Y coordinate of the point 72231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the cell 72331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 72431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void pointToCellExact(int x, int y, int[] result) { 7254b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int hStartPadding = getPaddingLeft(); 7264b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int vStartPadding = getPaddingTop(); 72731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 72831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[0] = (x - hStartPadding) / (mCellWidth + mWidthGap); 72931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[1] = (y - vStartPadding) / (mCellHeight + mHeightGap); 73031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 731d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int xAxis = mCountX; 732d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int yAxis = mCountY; 73331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 73431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[0] < 0) result[0] = 0; 73531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[0] >= xAxis) result[0] = xAxis - 1; 73631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[1] < 0) result[1] = 0; 73731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[1] >= yAxis) result[1] = yAxis - 1; 73831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 739aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 74031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 74131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Given a point, return the cell that most closely encloses that point 74231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x X coordinate of the point 74331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y Y coordinate of the point 74431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the cell 74531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 74631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void pointToCellRounded(int x, int y, int[] result) { 74731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project pointToCellExact(x + (mCellWidth / 2), y + (mCellHeight / 2), result); 74831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 74931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 75031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 75131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Given a cell coordinate, return the point that represents the upper left corner of that cell 752aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 753aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * @param cellX X coordinate of the cell 75431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellY Y coordinate of the cell 755aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 75631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the point 75731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 75831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void cellToPoint(int cellX, int cellY, int[] result) { 7594b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int hStartPadding = getPaddingLeft(); 7604b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int vStartPadding = getPaddingTop(); 76131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 76231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[0] = hStartPadding + cellX * (mCellWidth + mWidthGap); 76331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[1] = vStartPadding + cellY * (mCellHeight + mHeightGap); 76431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 76531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 766e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen /** 767e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen * Given a cell coordinate, return the point that represents the upper left corner of that cell 768e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen * 769e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen * @param cellX X coordinate of the cell 770e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen * @param cellY Y coordinate of the cell 771e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen * 772e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen * @param result Array of 2 ints to hold the x and y coordinate of the point 773e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen */ 774e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen void cellToCenterPoint(int cellX, int cellY, int[] result) { 7754b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int hStartPadding = getPaddingLeft(); 7764b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int vStartPadding = getPaddingTop(); 777e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen 778e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen result[0] = hStartPadding + cellX * (mCellWidth + mWidthGap) + mCellWidth / 2; 779e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen result[1] = vStartPadding + cellY * (mCellHeight + mHeightGap) + mCellHeight / 2; 780e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen } 781e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen 78284f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy int getCellWidth() { 78384f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy return mCellWidth; 78484f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 78584f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 78684f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy int getCellHeight() { 78784f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy return mCellHeight; 78884f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 78984f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 790d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen int getWidthGap() { 791d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen return mWidthGap; 792d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 793d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 794d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen int getHeightGap() { 795d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen return mHeightGap; 796d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 797d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 7987f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen Rect getContentRect(Rect r) { 7997f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen if (r == null) { 8007f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen r = new Rect(); 8017f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 8027f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen int left = getPaddingLeft(); 8037f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen int top = getPaddingTop(); 8044b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int right = left + getWidth() - mPaddingLeft - mPaddingRight; 8054b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int bottom = top + getHeight() - mPaddingTop - mPaddingBottom; 8067f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen r.set(left, top, right, bottom); 8077f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen return r; 8087f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 8097f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 81031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 81131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 81231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // TODO: currently ignoring padding 813aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 81431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec); 815aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec); 816aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 81731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec); 81831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int heightSpecSize = MeasureSpec.getSize(heightMeasureSpec); 819aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 82031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (widthSpecMode == MeasureSpec.UNSPECIFIED || heightSpecMode == MeasureSpec.UNSPECIFIED) { 82131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new RuntimeException("CellLayout cannot have UNSPECIFIED dimensions"); 82231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 82331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 824d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen int numWidthGaps = mCountX - 1; 825d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen int numHeightGaps = mCountY - 1; 826d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen 827ece7f5b3b55cab646941123e03589241a61678e2Winson Chung if (mWidthGap < 0 || mHeightGap < 0) { 8284b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int hSpace = widthSpecSize - mPaddingLeft - mPaddingRight; 8294b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int vSpace = heightSpecSize - mPaddingTop - mPaddingBottom; 8304b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int hFreeSpace = hSpace - (mCountX * mOriginalCellWidth); 8314b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int vFreeSpace = vSpace - (mCountY * mOriginalCellHeight); 8324b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mWidthGap = Math.min(mMaxGap, numWidthGaps > 0 ? (hFreeSpace / numWidthGaps) : 0); 8334b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mHeightGap = Math.min(mMaxGap,numHeightGaps > 0 ? (vFreeSpace / numHeightGaps) : 0); 8344b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int remainingHSpace = hFreeSpace - (numWidthGaps * mWidthGap); 8354b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int remainingVSpace = vFreeSpace - (numHeightGaps * mHeightGap); 8364b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mCellWidth = mOriginalCellWidth + remainingHSpace / mCountX; 8374b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mCellHeight = mOriginalCellHeight + remainingVSpace / mCountY; 8384b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung 8394b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mChildren.setCellDimensions(mCellWidth, mCellHeight, mWidthGap, mHeightGap); 840ece7f5b3b55cab646941123e03589241a61678e2Winson Chung } 8415f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 8428c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka // Initial values correspond to widthSpecMode == MeasureSpec.EXACTLY 8438c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka int newWidth = widthSpecSize; 8448c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka int newHeight = heightSpecSize; 8458c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka if (widthSpecMode == MeasureSpec.AT_MOST) { 8464b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung newWidth = mPaddingLeft + mPaddingRight + (mCountX * mCellWidth) + 8478c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka ((mCountX - 1) * mWidthGap); 8484b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung newHeight = mPaddingTop + mPaddingBottom + (mCountY * mCellHeight) + 8498c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka ((mCountY - 1) * mHeightGap); 8508c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka setMeasuredDimension(newWidth, newHeight); 8518c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka } 85231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8538c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka int count = getChildCount(); 85431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 85531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = getChildAt(i); 8564b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int childWidthMeasureSpec = MeasureSpec.makeMeasureSpec(newWidth - mPaddingLeft - 8574b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mPaddingRight, MeasureSpec.EXACTLY); 8584b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int childheightMeasureSpec = MeasureSpec.makeMeasureSpec(newHeight - mPaddingTop - 8594b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mPaddingBottom, MeasureSpec.EXACTLY); 86031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.measure(childWidthMeasureSpec, childheightMeasureSpec); 86131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 8628c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka setMeasuredDimension(newWidth, newHeight); 86331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 86431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 86531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 86628750fba6a2d141eb9a1e566718c17236030b815Michael Jurka protected void onLayout(boolean changed, int l, int t, int r, int b) { 86731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = getChildCount(); 86831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 8698c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka View child = getChildAt(i); 8704b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung child.layout(mPaddingLeft, mPaddingTop, 8714b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung r - l - mPaddingRight, b - t - mPaddingBottom); 87231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 87331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 87431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 87531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 876dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka protected void onSizeChanged(int w, int h, int oldw, int oldh) { 877dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka super.onSizeChanged(w, h, oldw, oldh); 87818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundRect.set(0, 0, w, h); 87933945b21544bc98381df17726a3537c292d8c985Michael Jurka updateGlowRect(); 880dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 881dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 882dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka @Override 88331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void setChildrenDrawingCacheEnabled(boolean enabled) { 8848c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.setChildrenDrawingCacheEnabled(enabled); 88531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 88631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 88731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 88831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void setChildrenDrawnWithCacheEnabled(boolean enabled) { 8898c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.setChildrenDrawnWithCacheEnabled(enabled); 89031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 89131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8925f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public float getBackgroundAlpha() { 8935f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka return mBackgroundAlpha; 894dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 895dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 896742574b15b2b5298a2328443176f2890fb8ebe98Michael Jurka public void setFastBackgroundAlpha(float alpha) { 897742574b15b2b5298a2328443176f2890fb8ebe98Michael Jurka mBackgroundAlpha = alpha; 898742574b15b2b5298a2328443176f2890fb8ebe98Michael Jurka } 899742574b15b2b5298a2328443176f2890fb8ebe98Michael Jurka 9001b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen public void setBackgroundAlphaMultiplier(float multiplier) { 9011b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen mBackgroundAlphaMultiplier = multiplier; 9021b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen } 9031b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen 904ddb821981e0919bbd3b4c9a2b6aa1811d6c86bb6Adam Cohen public float getBackgroundAlphaMultiplier() { 905ddb821981e0919bbd3b4c9a2b6aa1811d6c86bb6Adam Cohen return mBackgroundAlphaMultiplier; 906ddb821981e0919bbd3b4c9a2b6aa1811d6c86bb6Adam Cohen } 907ddb821981e0919bbd3b4c9a2b6aa1811d6c86bb6Adam Cohen 9085f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public void setBackgroundAlpha(float alpha) { 9095f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka mBackgroundAlpha = alpha; 9100142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka invalidate(); 911dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 912dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 9135f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // Need to return true to let the view system know we know how to handle alpha-- this is 9145f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // because when our children have an alpha of 0.0f, they are still rendering their "dimmed" 9155f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // versions 9165f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka @Override 9175f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka protected boolean onSetAlpha(int alpha) { 9185f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka return true; 9195f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } 9205f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 9215f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public void setAlpha(float alpha) { 9225f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka setChildrenAlpha(alpha); 9235f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka super.setAlpha(alpha); 9245f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } 9255f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 926742574b15b2b5298a2328443176f2890fb8ebe98Michael Jurka public void setFastAlpha(float alpha) { 927742574b15b2b5298a2328443176f2890fb8ebe98Michael Jurka setFastChildrenAlpha(alpha); 928742574b15b2b5298a2328443176f2890fb8ebe98Michael Jurka super.setFastAlpha(alpha); 929742574b15b2b5298a2328443176f2890fb8ebe98Michael Jurka } 930742574b15b2b5298a2328443176f2890fb8ebe98Michael Jurka 931dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka private void setChildrenAlpha(float alpha) { 9320142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka final int childCount = getChildCount(); 9330142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka for (int i = 0; i < childCount; i++) { 934dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka getChildAt(i).setAlpha(alpha); 935dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 936dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 937dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 938742574b15b2b5298a2328443176f2890fb8ebe98Michael Jurka private void setFastChildrenAlpha(float alpha) { 939742574b15b2b5298a2328443176f2890fb8ebe98Michael Jurka final int childCount = getChildCount(); 940742574b15b2b5298a2328443176f2890fb8ebe98Michael Jurka for (int i = 0; i < childCount; i++) { 941742574b15b2b5298a2328443176f2890fb8ebe98Michael Jurka getChildAt(i).setFastAlpha(alpha); 942742574b15b2b5298a2328443176f2890fb8ebe98Michael Jurka } 943742574b15b2b5298a2328443176f2890fb8ebe98Michael Jurka } 944742574b15b2b5298a2328443176f2890fb8ebe98Michael Jurka 945440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy public View getChildAt(int x, int y) { 9468c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka return mChildren.getChildAt(x, y); 947440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy } 948440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy 94976fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen public boolean animateChildToPosition(final View child, int cellX, int cellY, int duration, 95076fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen int delay) { 951bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen CellLayoutChildren clc = getChildrenLayout(); 952bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen if (clc.indexOfChild(child) != -1 && !mOccupied[cellX][cellY]) { 953bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen final LayoutParams lp = (LayoutParams) child.getLayoutParams(); 954bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen final ItemInfo info = (ItemInfo) child.getTag(); 955bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen 956bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen // We cancel any existing animations 957bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen if (mReorderAnimators.containsKey(lp)) { 958bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen mReorderAnimators.get(lp).cancel(); 959bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen mReorderAnimators.remove(lp); 960bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 961bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen 962bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen int oldX = lp.x; 963bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen int oldY = lp.y; 964bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen mOccupied[lp.cellX][lp.cellY] = false; 965bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen mOccupied[cellX][cellY] = true; 966bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen 967bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen lp.isLockedToGrid = true; 968bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen lp.cellX = info.cellX = cellX; 969bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen lp.cellY = info.cellY = cellY; 970bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen clc.setupLp(lp); 971bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen lp.isLockedToGrid = false; 972bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen int newX = lp.x; 973bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen int newY = lp.y; 974bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen 97576fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen lp.x = oldX; 97676fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen lp.y = oldY; 97776fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen child.requestLayout(); 97876fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen 979bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen PropertyValuesHolder x = PropertyValuesHolder.ofInt("x", oldX, newX); 980bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen PropertyValuesHolder y = PropertyValuesHolder.ofInt("y", oldY, newY); 981bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen ObjectAnimator oa = ObjectAnimator.ofPropertyValuesHolder(lp, x, y); 982bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen oa.setDuration(duration); 983bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen mReorderAnimators.put(lp, oa); 984bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen oa.addUpdateListener(new AnimatorUpdateListener() { 985bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen public void onAnimationUpdate(ValueAnimator animation) { 986bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen child.requestLayout(); 987bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 988bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen }); 989bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen oa.addListener(new AnimatorListenerAdapter() { 990bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen boolean cancelled = false; 991bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen public void onAnimationEnd(Animator animation) { 992bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen // If the animation was cancelled, it means that another animation 993bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen // has interrupted this one, and we don't want to lock the item into 994bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen // place just yet. 995bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen if (!cancelled) { 996bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen lp.isLockedToGrid = true; 997bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 998bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen if (mReorderAnimators.containsKey(lp)) { 999bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen mReorderAnimators.remove(lp); 1000bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1001bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1002bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen public void onAnimationCancel(Animator animation) { 1003bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen cancelled = true; 1004bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1005bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen }); 100676fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen oa.setStartDelay(delay); 1007bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen oa.start(); 1008bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen return true; 1009bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1010bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen return false; 1011bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1012bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen 10136569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 10146569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * Estimate where the top left cell of the dragged item will land if it is dropped. 10156569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * 10166569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param originX The X value of the top left corner of the item 10176569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param originY The Y value of the top left corner of the item 10186569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param spanX The number of horizontal cells that the item spans 10196569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param spanY The number of vertical cells that the item spans 10206569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param result The estimated drop cell X and Y. 10216569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 10226569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy void estimateDropCell(int originX, int originY, int spanX, int spanY, int[] result) { 1023d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int countX = mCountX; 1024d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int countY = mCountY; 10256569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1026a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka // pointToCellRounded takes the top left of a cell but will pad that with 1027a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka // cellWidth/2 and cellHeight/2 when finding the matching cell 1028a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka pointToCellRounded(originX, originY, result); 10296569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 10306569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // If the item isn't fully on this screen, snap to the edges 10316569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy int rightOverhang = result[0] + spanX - countX; 10326569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (rightOverhang > 0) { 10336569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[0] -= rightOverhang; // Snap to right 10346569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 10356569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[0] = Math.max(0, result[0]); // Snap to left 10366569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy int bottomOverhang = result[1] + spanY - countY; 10376569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (bottomOverhang > 0) { 10386569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[1] -= bottomOverhang; // Snap to bottom 10396569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 10406569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[1] = Math.max(0, result[1]); // Snap to top 10416569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 10426569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 10434be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato void visualizeDropLocation( 10444be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato View v, Bitmap dragOutline, int originX, int originY, int spanX, int spanY) { 10454be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 104608ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy final int oldDragCellX = mDragCell[0]; 104708ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy final int oldDragCellY = mDragCell[1]; 10484be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int[] nearest = findNearestVacantArea(originX, originY, spanX, spanY, v, mDragCell); 1049a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung if (v != null) { 1050a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung mDragCenter.set(originX + (v.getWidth() / 2), originY + (v.getHeight() / 2)); 1051a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung } else { 1052a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung mDragCenter.set(originX, originY); 1053a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung } 10546569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 10552801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen if (dragOutline == null && v == null) { 10562801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen if (mCrosshairsDrawable != null) { 10572801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen invalidate(); 10582801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 10592801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen return; 10602801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 10612801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen 106208ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy if (nearest != null && (nearest[0] != oldDragCellX || nearest[1] != oldDragCellY)) { 10636569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // Find the top left corner of the rect the object will occupy 1064de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int[] topLeft = mTmpPoint; 1065de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy cellToPoint(nearest[0], nearest[1], topLeft); 1066de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 10674be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato int left = topLeft[0]; 10684be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato int top = topLeft[1]; 10696569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1070a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung if (v != null) { 107199e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen // When drawing the drag outline, it did not account for margin offsets 107299e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen // added by the view's parent. 107399e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen MarginLayoutParams lp = (MarginLayoutParams) v.getLayoutParams(); 107499e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen left += lp.leftMargin; 107599e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen top += lp.topMargin; 107699e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen 107799e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen // Offsets due to the size difference between the View and the dragOutline. 107899e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen // There is a size difference to account for the outer blur, which may lie 107999e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen // outside the bounds of the view. 1080a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung left += (v.getWidth() - dragOutline.getWidth()) / 2; 1081a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung top += (v.getHeight() - dragOutline.getHeight()) / 2; 10826639687cd67bab1aeef2a75e5c6bc458b20dc082Adam Cohen } else { 10836639687cd67bab1aeef2a75e5c6bc458b20dc082Adam Cohen // Center the drag outline in the cell 10844b576be59e58072cc03b5a8d36afb6a322513575Winson Chung left += ((mCellWidth * spanX) + ((spanX - 1) * mWidthGap) 10854b576be59e58072cc03b5a8d36afb6a322513575Winson Chung - dragOutline.getWidth()) / 2; 10864b576be59e58072cc03b5a8d36afb6a322513575Winson Chung top += ((mCellHeight * spanY) + ((spanY - 1) * mHeightGap) 10874b576be59e58072cc03b5a8d36afb6a322513575Winson Chung - dragOutline.getHeight()) / 2; 1088a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung } 1089150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 10904be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int oldIndex = mDragOutlineCurrent; 109108ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[oldIndex].animateOut(); 109208ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineCurrent = (oldIndex + 1) % mDragOutlines.length; 1093150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 109408ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlines[mDragOutlineCurrent].set(left, top); 109508ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[mDragOutlineCurrent].setTag(dragOutline); 109608ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[mDragOutlineCurrent].animateIn(); 10976569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 109849250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy 109949250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy // If we are drawing crosshairs, the entire CellLayout needs to be invalidated 110049250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy if (mCrosshairsDrawable != null) { 110149250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy invalidate(); 110249250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy } 11036569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 11046569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1105e0310965022e7a1adb7ad489505d404186608689Adam Cohen public void clearDragOutlines() { 1106e0310965022e7a1adb7ad489505d404186608689Adam Cohen final int oldIndex = mDragOutlineCurrent; 1107e0310965022e7a1adb7ad489505d404186608689Adam Cohen mDragOutlineAnims[oldIndex].animateOut(); 1108e0310965022e7a1adb7ad489505d404186608689Adam Cohen mDragCell[0] = -1; 1109e0310965022e7a1adb7ad489505d404186608689Adam Cohen mDragCell[1] = -1; 1110e0310965022e7a1adb7ad489505d404186608689Adam Cohen } 1111e0310965022e7a1adb7ad489505d404186608689Adam Cohen 111231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 111370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Find a vacant area that will fit the given bounds nearest the requested 111470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * cell location. Uses Euclidean distance to score multiple vacant areas. 1115aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 111651afc022fa76c79f0d1ece470ddc126c08fea8a4Romain Guy * @param pixelX The X location at which you want to search for a vacant area. 111751afc022fa76c79f0d1ece470ddc126c08fea8a4Romain Guy * @param pixelY The Y location at which you want to search for a vacant area. 111870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @param spanX Horizontal span of the object. 111970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @param spanY Vertical span of the object. 1120de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * @param result Array in which to place the result, or null (in which case a new array will 1121de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * be allocated) 112270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @return The X, Y cell of a vacant area that can contain this object, 112370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * nearest the requested location. 112431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 11256a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka int[] findNearestVacantArea( 1126de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy int pixelX, int pixelY, int spanX, int spanY, int[] result) { 1127de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy return findNearestVacantArea(pixelX, pixelY, spanX, spanY, null, result); 11286a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka } 1129aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 11306a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka /** 11316a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * Find a vacant area that will fit the given bounds nearest the requested 11326a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * cell location. Uses Euclidean distance to score multiple vacant areas. 11336a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * 11346a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param pixelX The X location at which you want to search for a vacant area. 11356a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param pixelY The Y location at which you want to search for a vacant area. 11366a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param spanX Horizontal span of the object. 11376a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param spanY Vertical span of the object. 1138df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param ignoreOccupied If true, the result can be an occupied cell 1139df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param result Array in which to place the result, or null (in which case a new array will 1140df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * be allocated) 11416a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @return The X, Y cell of a vacant area that can contain this object, 11426a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * nearest the requested location. 11436a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka */ 1144df0353815c629fc678824b07a234b89a1ff94208Adam Cohen int[] findNearestArea(int pixelX, int pixelY, int spanX, int spanY, View ignoreView, 1145df0353815c629fc678824b07a234b89a1ff94208Adam Cohen boolean ignoreOccupied, int[] result) { 1146c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // mark space take by ignoreView as available (method checks if ignoreView is null) 1147c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsUnoccupiedForView(ignoreView); 1148c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka 1149e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen // For items with a spanX / spanY > 1, the passed in point (pixelX, pixelY) corresponds 1150e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen // to the center of the item, but we are searching based on the top-left cell, so 1151e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen // we translate the point over to correspond to the top-left. 1152e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen pixelX -= (mCellWidth + mWidthGap) * (spanX - 1) / 2f; 1153e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen pixelY -= (mCellHeight + mHeightGap) * (spanY - 1) / 2f; 1154e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen 115570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Keep track of best-scoring drop area 1156de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int[] bestXY = result != null ? result : new int[2]; 115770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey double bestDistance = Double.MAX_VALUE; 1158aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1159de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countX = mCountX; 1160de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countY = mCountY; 1161de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final boolean[][] occupied = mOccupied; 1162de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 1163bbc60d8e79416e37cbede55c159bf6aaa6c171d5Winson Chung for (int y = 0; y < countY - (spanY - 1); y++) { 1164c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka inner: 1165bbc60d8e79416e37cbede55c159bf6aaa6c171d5Winson Chung for (int x = 0; x < countX - (spanX - 1); x++) { 1166df0353815c629fc678824b07a234b89a1ff94208Adam Cohen if (ignoreOccupied) { 1167df0353815c629fc678824b07a234b89a1ff94208Adam Cohen for (int i = 0; i < spanX; i++) { 1168df0353815c629fc678824b07a234b89a1ff94208Adam Cohen for (int j = 0; j < spanY; j++) { 1169df0353815c629fc678824b07a234b89a1ff94208Adam Cohen if (occupied[x + i][y + j]) { 1170df0353815c629fc678824b07a234b89a1ff94208Adam Cohen // small optimization: we can skip to after the column we 1171df0353815c629fc678824b07a234b89a1ff94208Adam Cohen // just found an occupied cell 1172df0353815c629fc678824b07a234b89a1ff94208Adam Cohen x += i; 1173df0353815c629fc678824b07a234b89a1ff94208Adam Cohen continue inner; 1174df0353815c629fc678824b07a234b89a1ff94208Adam Cohen } 1175c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 1176c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 1177c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 11780be025d64c1f84138fe430a58875886e66aae767Winson Chung final int[] cellXY = mTmpXY; 1179e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen cellToCenterPoint(x, y, cellXY); 1180c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka 1181c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka double distance = Math.sqrt(Math.pow(cellXY[0] - pixelX, 2) 1182c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka + Math.pow(cellXY[1] - pixelY, 2)); 1183c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka if (distance <= bestDistance) { 1184c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestDistance = distance; 1185c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestXY[0] = x; 1186c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestXY[1] = y; 1187c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 118831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 118931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1190c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // re-mark space taken by ignoreView as occupied 1191c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsOccupiedForView(ignoreView); 119231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1193c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen // Return -1, -1 if no suitable location found 1194c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen if (bestDistance == Double.MAX_VALUE) { 1195c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen bestXY[0] = -1; 1196c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen bestXY[1] = -1; 119770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 1198c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen return bestXY; 119931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1200aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1201df0353815c629fc678824b07a234b89a1ff94208Adam Cohen /** 1202df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * Find a vacant area that will fit the given bounds nearest the requested 1203df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * cell location. Uses Euclidean distance to score multiple vacant areas. 1204df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * 1205df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param pixelX The X location at which you want to search for a vacant area. 1206df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param pixelY The Y location at which you want to search for a vacant area. 1207df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param spanX Horizontal span of the object. 1208df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param spanY Vertical span of the object. 1209df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param ignoreView Considers space occupied by this view as unoccupied 1210df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param result Previously returned value to possibly recycle. 1211df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @return The X, Y cell of a vacant area that can contain this object, 1212df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * nearest the requested location. 1213df0353815c629fc678824b07a234b89a1ff94208Adam Cohen */ 1214df0353815c629fc678824b07a234b89a1ff94208Adam Cohen int[] findNearestVacantArea( 1215df0353815c629fc678824b07a234b89a1ff94208Adam Cohen int pixelX, int pixelY, int spanX, int spanY, View ignoreView, int[] result) { 1216df0353815c629fc678824b07a234b89a1ff94208Adam Cohen return findNearestArea(pixelX, pixelY, spanX, spanY, ignoreView, true, result); 1217df0353815c629fc678824b07a234b89a1ff94208Adam Cohen } 1218df0353815c629fc678824b07a234b89a1ff94208Adam Cohen 1219df0353815c629fc678824b07a234b89a1ff94208Adam Cohen /** 1220df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * Find a starting cell position that will fit the given bounds nearest the requested 1221df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * cell location. Uses Euclidean distance to score multiple vacant areas. 1222df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * 1223df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param pixelX The X location at which you want to search for a vacant area. 1224df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param pixelY The Y location at which you want to search for a vacant area. 1225df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param spanX Horizontal span of the object. 1226df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param spanY Vertical span of the object. 1227df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param ignoreView Considers space occupied by this view as unoccupied 1228df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param result Previously returned value to possibly recycle. 1229df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @return The X, Y cell of a vacant area that can contain this object, 1230df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * nearest the requested location. 1231df0353815c629fc678824b07a234b89a1ff94208Adam Cohen */ 1232df0353815c629fc678824b07a234b89a1ff94208Adam Cohen int[] findNearestArea( 1233df0353815c629fc678824b07a234b89a1ff94208Adam Cohen int pixelX, int pixelY, int spanX, int spanY, int[] result) { 1234df0353815c629fc678824b07a234b89a1ff94208Adam Cohen return findNearestArea(pixelX, pixelY, spanX, spanY, null, false, result); 1235df0353815c629fc678824b07a234b89a1ff94208Adam Cohen } 1236df0353815c629fc678824b07a234b89a1ff94208Adam Cohen 12370280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean existsEmptyCell() { 12380280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpan(null, 1, 1); 12390280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 12400280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 12410280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 12420280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Finds the upper-left coordinate of the first rectangle in the grid that can 12430280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * hold a cell of the specified dimensions. If intersectX and intersectY are not -1, 12440280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * then this method will only return coordinates for rectangles that contain the cell 12450280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * (intersectX, intersectY) 12460280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 12470280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param cellXY The array that will contain the position of a vacant cell if such a cell 12480280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * can be found. 12490280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 12500280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 12510280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 12520280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return True if a vacant cell of the specified dimension was found, false otherwise. 12530280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 12540280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpan(int[] cellXY, int spanX, int spanY) { 12550280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring(cellXY, spanX, spanY, -1, -1, null); 12560280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 12570280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 12580280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 12590280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Like above, but ignores any cells occupied by the item "ignoreView" 12600280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 12610280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param cellXY The array that will contain the position of a vacant cell if such a cell 12620280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * can be found. 12630280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 12640280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 12650280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param ignoreView The home screen item we should treat as not occupying any space 12660280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return 12670280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 12680280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanIgnoring(int[] cellXY, int spanX, int spanY, View ignoreView) { 12690280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring(cellXY, spanX, spanY, -1, -1, ignoreView); 12700280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 12710280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 12720280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 12730280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Like above, but if intersectX and intersectY are not -1, then this method will try to 12740280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * return coordinates for rectangles that contain the cell [intersectX, intersectY] 12750280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 12760280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 12770280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 12780280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param ignoreView The home screen item we should treat as not occupying any space 12790280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param intersectX The X coordinate of the cell that we should try to overlap 12800280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param intersectX The Y coordinate of the cell that we should try to overlap 12810280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 12820280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return True if a vacant cell of the specified dimension was found, false otherwise. 12830280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 12840280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanThatIntersects(int[] cellXY, int spanX, int spanY, 12850280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int intersectX, int intersectY) { 12860280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring( 12870280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY, spanX, spanY, intersectX, intersectY, null); 12880280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 12890280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 12900280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 12910280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * The superset of the above two methods 12920280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 12930280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanThatIntersectsIgnoring(int[] cellXY, int spanX, int spanY, 12940280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int intersectX, int intersectY, View ignoreView) { 1295c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // mark space take by ignoreView as available (method checks if ignoreView is null) 1296c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsUnoccupiedForView(ignoreView); 12970280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 129828750fba6a2d141eb9a1e566718c17236030b815Michael Jurka boolean foundCell = false; 12990280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka while (true) { 13000280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int startX = 0; 13010280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX >= 0) { 13020280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka startX = Math.max(startX, intersectX - (spanX - 1)); 13030280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 13040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int endX = mCountX - (spanX - 1); 13050280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX >= 0) { 13060280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka endX = Math.min(endX, intersectX + (spanX - 1) + (spanX == 1 ? 1 : 0)); 13070280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 13080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int startY = 0; 13090280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectY >= 0) { 13100280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka startY = Math.max(startY, intersectY - (spanY - 1)); 13110280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 13120280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int endY = mCountY - (spanY - 1); 13130280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectY >= 0) { 13140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka endY = Math.min(endY, intersectY + (spanY - 1) + (spanY == 1 ? 1 : 0)); 13150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 13160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 1317bbc60d8e79416e37cbede55c159bf6aaa6c171d5Winson Chung for (int y = startY; y < endY && !foundCell; y++) { 13180280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka inner: 1319bbc60d8e79416e37cbede55c159bf6aaa6c171d5Winson Chung for (int x = startX; x < endX; x++) { 13200280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = 0; i < spanX; i++) { 13210280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int j = 0; j < spanY; j++) { 13220280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (mOccupied[x + i][y + j]) { 1323bbc60d8e79416e37cbede55c159bf6aaa6c171d5Winson Chung // small optimization: we can skip to after the column we just found 13240280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // an occupied cell 1325bbc60d8e79416e37cbede55c159bf6aaa6c171d5Winson Chung x += i; 13260280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka continue inner; 13270280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 13280280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 13290280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 13300280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (cellXY != null) { 13310280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[0] = x; 13320280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[1] = y; 13330280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 133428750fba6a2d141eb9a1e566718c17236030b815Michael Jurka foundCell = true; 133528750fba6a2d141eb9a1e566718c17236030b815Michael Jurka break; 13360280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 13370280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 13380280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX == -1 && intersectY == -1) { 13390280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka break; 13400280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } else { 13410280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // if we failed to find anything, try again but without any requirements of 13420280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // intersecting 13430280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka intersectX = -1; 13440280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka intersectY = -1; 13450280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka continue; 13460280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 13470280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 13480280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 1349c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // re-mark space taken by ignoreView as occupied 1350c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka markCellsAsOccupiedForView(ignoreView); 135128750fba6a2d141eb9a1e566718c17236030b815Michael Jurka return foundCell; 13520280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 13530280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 135431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 13550280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Called when drag has left this CellLayout or has been completed (successfully or not) 13566569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 13570280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka void onDragExit() { 13584be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // This can actually be called when we aren't in a drag, e.g. when adding a new 13594be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // item to this layout via the customize drawer. 13604be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Guard against that case. 13614be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (mDragging) { 13624be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragging = false; 13636569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 13644be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Fade out the drag indicators 13654be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (mCrosshairsAnimator != null) { 13664be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mCrosshairsAnimator.animateOut(); 13674be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 13684be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 136908ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy 137008ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy // Invalidate the drag data 137108ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragCell[0] = -1; 137208ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragCell[1] = -1; 137308ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[mDragOutlineCurrent].animateOut(); 137408ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineCurrent = (mDragOutlineCurrent + 1) % mDragOutlineAnims.length; 137508ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy 137633945b21544bc98381df17726a3537c292d8c985Michael Jurka setIsDragOverlapping(false); 13776569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 13786569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 13796569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 1380aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Mark a child as having been dropped. 1381de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * At the beginning of the drag operation, the child may have been on another 1382ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * screen, but it is re-parented before this method is called. 138331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 138431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child that is being dropped 138531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 1386716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen void onDropChild(View child) { 1387d94533d04a5f8f5485f106d10af60169857ea899Romain Guy if (child != null) { 1388d94533d04a5f8f5485f106d10af60169857ea899Romain Guy LayoutParams lp = (LayoutParams) child.getLayoutParams(); 1389d94533d04a5f8f5485f106d10af60169857ea899Romain Guy lp.isDragging = false; 139084f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy lp.dropped = true; 1391d94533d04a5f8f5485f106d10af60169857ea899Romain Guy child.requestLayout(); 1392d94533d04a5f8f5485f106d10af60169857ea899Romain Guy } 139331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 139431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 139531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 139631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Start dragging the specified child 1397aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 139831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child that is being dragged 139931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 140031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void onDragChild(View child) { 140131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LayoutParams lp = (LayoutParams) child.getLayoutParams(); 140231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.isDragging = true; 1403de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 1404de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 1405de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy /** 1406de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * A drag event has begun over this layout. 1407de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * It may have begun over this layout (in which case onDragChild is called first), 1408de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * or it may have begun on another layout. 1409de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy */ 1410a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung void onDragEnter() { 1411fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy if (!mDragging) { 1412fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy // Fade in the drag indicators 1413fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy if (mCrosshairsAnimator != null) { 1414fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy mCrosshairsAnimator.animateIn(); 1415fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy } 14164be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 14174be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragging = true; 141831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1419aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 142031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 142131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Computes a bounding rectangle for a range of cells 1422aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 142331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellX X coordinate of upper left corner expressed as a cell position 142431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellY Y coordinate of upper left corner expressed as a cell position 1425aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * @param cellHSpan Width in cells 142631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellVSpan Height in cells 14276569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param resultRect Rect into which to put the results 142831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 14296569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy public void cellToRect(int cellX, int cellY, int cellHSpan, int cellVSpan, RectF resultRect) { 143031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellWidth = mCellWidth; 143131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellHeight = mCellHeight; 143231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int widthGap = mWidthGap; 143331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int heightGap = mHeightGap; 1434aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 14354b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int hStartPadding = getPaddingLeft(); 14364b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int vStartPadding = getPaddingTop(); 1437aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 143831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int width = cellHSpan * cellWidth + ((cellHSpan - 1) * widthGap); 143931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int height = cellVSpan * cellHeight + ((cellVSpan - 1) * heightGap); 144031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 144131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int x = hStartPadding + cellX * (cellWidth + widthGap); 144231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int y = vStartPadding + cellY * (cellHeight + heightGap); 1443aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 14446569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy resultRect.set(x, y, x + width, y + height); 144531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1446aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 144731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 1448aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Computes the required horizontal and vertical cell spans to always 144931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * fit the given rectangle. 1450aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 145131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param width Width in pixels 145231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param height Height in pixels 14538f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy * @param result An array of length 2 in which to store the result (may be null). 145431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 14558f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy public int[] rectToCell(int width, int height, int[] result) { 14569987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka return rectToCell(getResources(), width, height, result); 14579987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka } 14589987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka 14599987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka public static int[] rectToCell(Resources resources, int width, int height, int[] result) { 146031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Always assume we're working with the smallest span to make sure we 146131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // reserve enough space in both orientations. 146279e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato int actualWidth = resources.getDimensionPixelSize(R.dimen.workspace_cell_width); 146379e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato int actualHeight = resources.getDimensionPixelSize(R.dimen.workspace_cell_height); 146431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int smallerSize = Math.min(actualWidth, actualHeight); 146579e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato 146631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Always round up to next largest cell 146731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanX = (width + smallerSize) / smallerSize; 146831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanY = (height + smallerSize) / smallerSize; 146979e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato 14708f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy if (result == null) { 14718f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy return new int[] { spanX, spanY }; 14728f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy } 14738f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[0] = spanX; 14748f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[1] = spanY; 14758f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy return result; 147631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 147731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1478f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka public int[] cellSpansToSize(int hSpans, int vSpans) { 1479f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka int[] size = new int[2]; 1480f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka size[0] = hSpans * mCellWidth + (hSpans - 1) * mWidthGap; 1481f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka size[1] = vSpans * mCellHeight + (vSpans - 1) * mHeightGap; 1482f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka return size; 1483f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka } 1484f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka 148531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 1486047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy * Calculate the grid spans needed to fit given item 1487047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy */ 1488047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy public void calculateSpans(ItemInfo info) { 1489047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy final int minWidth; 1490047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy final int minHeight; 1491047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy 1492047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy if (info instanceof LauncherAppWidgetInfo) { 1493047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy minWidth = ((LauncherAppWidgetInfo) info).minWidth; 1494047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy minHeight = ((LauncherAppWidgetInfo) info).minHeight; 1495047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy } else if (info instanceof PendingAddWidgetInfo) { 1496047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy minWidth = ((PendingAddWidgetInfo) info).minWidth; 1497047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy minHeight = ((PendingAddWidgetInfo) info).minHeight; 1498047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy } else { 1499047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy // It's not a widget, so it must be 1x1 1500047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy info.spanX = info.spanY = 1; 1501047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy return; 1502047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy } 1503047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy int[] spans = rectToCell(minWidth, minHeight, null); 1504047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy info.spanX = spans[0]; 1505047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy info.spanY = spans[1]; 1506047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy } 1507047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy 1508047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy /** 150931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Find the first vacant cell, if there is one. 151031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 151131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param vacant Holds the x and y coordinate of the vacant cell 151231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX Horizontal cell span. 151331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY Vertical cell span. 1514aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 151531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return True if a vacant cell was found 151631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 151731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean getVacantCell(int[] vacant, int spanX, int spanY) { 151831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 15190280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findVacantCell(vacant, spanX, spanY, mCountX, mCountY, mOccupied); 152031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 152131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 152231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project static boolean findVacantCell(int[] vacant, int spanX, int spanY, 152331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int xCount, int yCount, boolean[][] occupied) { 152431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 15252801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen for (int y = 0; y < yCount; y++) { 15262801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen for (int x = 0; x < xCount; x++) { 152731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean available = !occupied[x][y]; 152831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectout: for (int i = x; i < x + spanX - 1 && x < xCount; i++) { 152931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int j = y; j < y + spanY - 1 && y < yCount; j++) { 153031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project available = available && !occupied[i][j]; 153131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!available) break out; 153231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 153331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 153431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 153531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (available) { 153631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project vacant[0] = x; 153731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project vacant[1] = y; 153831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 153931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 154031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 154131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 154231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 154331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 154431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 154531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 15460280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void clearOccupiedCells() { 15470280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = 0; x < mCountX; x++) { 15480280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = 0; y < mCountY; y++) { 15490280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied[x][y] = false; 155031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 155131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 15520280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 155331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 15541b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen /** 15551b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen * Given a view, determines how much that view can be expanded in all directions, in terms of 15561b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen * whether or not there are other items occupying adjacent cells. Used by the 15571b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen * AppWidgetResizeFrame to determine how the widget can be resized. 15581b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen */ 1559d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen public void getExpandabilityArrayForView(View view, int[] expandability) { 15601b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen final LayoutParams lp = (LayoutParams) view.getLayoutParams(); 1561d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen boolean flag; 1562d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 15631b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.LEFT] = 0; 1564d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int x = lp.cellX - 1; x >= 0; x--) { 1565d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen flag = false; 1566d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int y = lp.cellY; y < lp.cellY + lp.cellVSpan; y++) { 1567d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (mOccupied[x][y]) flag = true; 1568d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 1569d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (flag) break; 15701b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.LEFT]++; 1571d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 1572d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 15731b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.TOP] = 0; 1574d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int y = lp.cellY - 1; y >= 0; y--) { 1575d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen flag = false; 1576d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int x = lp.cellX; x < lp.cellX + lp.cellHSpan; x++) { 1577d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (mOccupied[x][y]) flag = true; 1578d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 1579d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (flag) break; 15801b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.TOP]++; 15811b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen } 1582d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 15831b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.RIGHT] = 0; 1584d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int x = lp.cellX + lp.cellHSpan; x < mCountX; x++) { 1585d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen flag = false; 1586d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int y = lp.cellY; y < lp.cellY + lp.cellVSpan; y++) { 1587d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (mOccupied[x][y]) flag = true; 1588d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 1589d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (flag) break; 15901b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.RIGHT]++; 15911b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen } 1592d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 15931b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.BOTTOM] = 0; 1594d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int y = lp.cellY + lp.cellVSpan; y < mCountY; y++) { 1595d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen flag = false; 1596d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int x = lp.cellX; x < lp.cellX + lp.cellHSpan; x++) { 1597d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (mOccupied[x][y]) flag = true; 1598d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 1599d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (flag) break; 16001b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.BOTTOM]++; 16011b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen } 1602d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 1603d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 16040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void onMove(View view, int newCellX, int newCellY) { 16050280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 16060280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 16070280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsForView(newCellX, newCellY, lp.cellHSpan, lp.cellVSpan, true); 16080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 160931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1610d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen public void markCellsAsOccupiedForView(View view) { 16118c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka if (view == null || view.getParent() != mChildren) return; 16120280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 16130280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsForView(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, true); 16140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 16150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 1616d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen public void markCellsAsUnoccupiedForView(View view) { 16178c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka if (view == null || view.getParent() != mChildren) return; 16180280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 16190280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsForView(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, false); 16200280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 16210280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 16220280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void markCellsForView(int cellX, int cellY, int spanX, int spanY, boolean value) { 16230280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = cellX; x < cellX + spanX && x < mCountX; x++) { 16240280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = cellY; y < cellY + spanY && y < mCountY; y++) { 16250280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied[x][y] = value; 162631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 162731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 162831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 162931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 16302801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen public int getDesiredWidth() { 16314b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung return mPaddingLeft + mPaddingRight + (mCountX * mCellWidth) + 16322801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen (Math.max((mCountX - 1), 0) * mWidthGap); 16332801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 16342801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen 16352801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen public int getDesiredHeight() { 16364b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung return mPaddingTop + mPaddingBottom + (mCountY * mCellHeight) + 16372801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen (Math.max((mCountY - 1), 0) * mHeightGap); 16382801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 16392801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen 164066d72178af91d455700875635473be942bc90e54Michael Jurka public boolean isOccupied(int x, int y) { 164166d72178af91d455700875635473be942bc90e54Michael Jurka if (x < mCountX && y < mCountY) { 164266d72178af91d455700875635473be942bc90e54Michael Jurka return mOccupied[x][y]; 164366d72178af91d455700875635473be942bc90e54Michael Jurka } else { 164466d72178af91d455700875635473be942bc90e54Michael Jurka throw new RuntimeException("Position exceeds the bound of this CellLayout"); 164566d72178af91d455700875635473be942bc90e54Michael Jurka } 164666d72178af91d455700875635473be942bc90e54Michael Jurka } 164766d72178af91d455700875635473be942bc90e54Michael Jurka 164831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 164931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public ViewGroup.LayoutParams generateLayoutParams(AttributeSet attrs) { 165031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new CellLayout.LayoutParams(getContext(), attrs); 165131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 165231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 165331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 165431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected boolean checkLayoutParams(ViewGroup.LayoutParams p) { 165531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return p instanceof CellLayout.LayoutParams; 165631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 165731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 165831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 165931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected ViewGroup.LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) { 166031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new CellLayout.LayoutParams(p); 166131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 166231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1663aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public static class CellLayoutAnimationController extends LayoutAnimationController { 1664aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public CellLayoutAnimationController(Animation animation, float delay) { 1665aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung super(animation, delay); 1666aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1667aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1668aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung @Override 1669aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung protected long getDelayForView(View view) { 1670aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return (int) (Math.random() * 150); 1671aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1672aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1673aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 167431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static class LayoutParams extends ViewGroup.MarginLayoutParams { 167531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 167631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Horizontal location of the item in the grid. 167731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 167831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 167931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellX; 168031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 168131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 168231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Vertical location of the item in the grid. 168331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 168431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 168531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellY; 168631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 168731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 168831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Number of cells spanned horizontally by the item. 168931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 169031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 169131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellHSpan; 169231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 169331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 169431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Number of cells spanned vertically by the item. 169531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 169631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 169731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellVSpan; 1698aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 16991b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen /** 17001b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen * Indicates whether the item will set its x, y, width and height parameters freely, 17011b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen * or whether these will be computed based on cellX, cellY, cellHSpan and cellVSpan. 17021b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen */ 1703d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen public boolean isLockedToGrid = true; 1704d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 170531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 170631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Is this item currently being dragged 170731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 170831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean isDragging; 170931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 171031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // X coordinate of the view in the layout. 171131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 171231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int x; 171331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Y coordinate of the view in the layout. 171431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 171531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int y; 171631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 171784f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy boolean dropped; 1718fcb9e7144e58614f5ae0e9b272fb7ce040848c67Romain Guy 171931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(Context c, AttributeSet attrs) { 172031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(c, attrs); 172131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellHSpan = 1; 172231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellVSpan = 1; 172331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 172431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 172531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(ViewGroup.LayoutParams source) { 172631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(source); 172731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellHSpan = 1; 172831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellVSpan = 1; 172931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1730aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1731aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public LayoutParams(LayoutParams source) { 1732aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung super(source); 1733aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellX = source.cellX; 1734aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellY = source.cellY; 1735aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellHSpan = source.cellHSpan; 1736aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellVSpan = source.cellVSpan; 1737aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1738aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 173931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(int cellX, int cellY, int cellHSpan, int cellVSpan) { 17408f19cdd62f6e2be05e3890916eabd11317ae1bc2Romain Guy super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); 174131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellX = cellX; 174231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellY = cellY; 174331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellHSpan = cellHSpan; 174431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellVSpan = cellVSpan; 174531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 174631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 17477f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public void setup(int cellWidth, int cellHeight, int widthGap, int heightGap) { 1748d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (isLockedToGrid) { 1749d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen final int myCellHSpan = cellHSpan; 1750d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen final int myCellVSpan = cellVSpan; 1751d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen final int myCellX = cellX; 1752d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen final int myCellY = cellY; 17531b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen 1754d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen width = myCellHSpan * cellWidth + ((myCellHSpan - 1) * widthGap) - 1755d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen leftMargin - rightMargin; 1756d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen height = myCellVSpan * cellHeight + ((myCellVSpan - 1) * heightGap) - 1757d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen topMargin - bottomMargin; 17587f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen x = myCellX * (cellWidth + widthGap) + leftMargin; 17597f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen y = myCellY * (cellHeight + heightGap) + topMargin; 1760d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 1761d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 1762d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 1763aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public String toString() { 1764aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return "(" + this.cellX + ", " + this.cellY + ")"; 1765aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 17667f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 17677f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public void setWidth(int width) { 17687f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen this.width = width; 17697f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 17707f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 17717f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public int getWidth() { 17727f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen return width; 17737f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 17747f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 17757f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public void setHeight(int height) { 17767f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen this.height = height; 17777f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 17787f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 17797f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public int getHeight() { 17807f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen return height; 17817f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 17827f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 17837f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public void setX(int x) { 17847f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen this.x = x; 17857f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 17867f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 17877f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public int getX() { 17887f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen return x; 17897f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 17907f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 17917f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public void setY(int y) { 17927f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen this.y = y; 17937f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 17947f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 17957f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public int getY() { 17967f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen return y; 17977f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 179831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 179931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 18000280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // This class stores info for two purposes: 18010280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // 1. When dragging items (mDragInfo in Workspace), we store the View, its cellX & cellY, 18020280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // its spanX, spanY, and the screen it is on 18030280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // 2. When long clicking on an empty cell in a CellLayout, we save information about the 18040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // cellX and cellY coordinates and which page was clicked. We then set this as a tag on 18050280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // the CellLayout that was long clicked 1806e5fb0f27bca7afb996258a7163c76ca7390d7bffMichael Jurka static final class CellInfo { 180731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View cell; 1808a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka int cellX = -1; 1809a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka int cellY = -1; 181031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanX; 181131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanY; 181231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screen; 181331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean valid; 181431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 181531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 181631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public String toString() { 1817aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return "Cell[view=" + (cell == null ? "null" : cell.getClass()) 1818aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung + ", x=" + cellX + ", y=" + cellY + "]"; 181931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 182031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 182131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project} 1822