CellLayout.java revision 6b8a02d63a5d9cab8209381993e37db6a6afb753
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.ObjectAnimator; 22bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohenimport android.animation.PropertyValuesHolder; 2300397b1d9233409d9d6b233b077ae12d09768ce8Chet Haaseimport android.animation.TimeInterpolator; 24de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.animation.ValueAnimator; 25de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.animation.ValueAnimator.AnimatorUpdateListener; 2631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.Context; 2779e56263dbcbe85dc434df372bc6e6730aa13477Joe Onoratoimport android.content.res.Resources; 28aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.content.res.TypedArray; 294be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.graphics.Bitmap; 30aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.graphics.Canvas; 310dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynnimport android.graphics.Color; 324be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.graphics.Paint; 33de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.graphics.Point; 34de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.graphics.PointF; 35b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohenimport android.graphics.PorterDuff; 36b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohenimport android.graphics.PorterDuffXfermode; 3731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Rect; 38482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohenimport android.graphics.drawable.ColorDrawable; 396569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroyimport android.graphics.drawable.Drawable; 40b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohenimport android.graphics.drawable.NinePatchDrawable; 4131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.util.AttributeSet; 424be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.util.Log; 4331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.MotionEvent; 4431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.View; 4531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewDebug; 4631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewGroup; 47aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.view.animation.Animation; 48150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chungimport android.view.animation.DecelerateInterpolator; 49aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.view.animation.LayoutAnimationController; 5031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 516639687cd67bab1aeef2a75e5c6bc458b20dc082Adam Cohenimport com.android.launcher.R; 5269ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohenimport com.android.launcher2.FolderIcon.FolderRingAnimator; 538e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy 5469ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohenimport java.util.ArrayList; 55c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohenimport java.util.Arrays; 56bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohenimport java.util.HashMap; 57d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohenimport java.util.Stack; 58c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen 59bdb5c5342adc550559fd723af461e53248f2fba8Michael Jurkapublic class CellLayout extends ViewGroup { 60aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung static final String TAG = "CellLayout"; 61aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 624b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung private int mOriginalCellWidth; 634b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung private int mOriginalCellHeight; 6431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCellWidth; 6531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCellHeight; 66aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 67d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen private int mCountX; 68d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen private int mCountY; 6931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 70234c4cd54406e363a2ebc213f6ae5be284414988Adam Cohen private int mOriginalWidthGap; 71234c4cd54406e363a2ebc213f6ae5be284414988Adam Cohen private int mOriginalHeightGap; 7231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mWidthGap; 7331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mHeightGap; 744b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung private int mMaxGap; 75ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen private boolean mScrollingTransformsDirty = false; 7631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final Rect mRect = new Rect(); 7831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final CellInfo mCellInfo = new CellInfo(); 79aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 80de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // These are temporary variables to prevent having to allocate a new object just to 81de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // return an (x, y) value from helper functions. Do NOT use them to maintain other state. 820be025d64c1f84138fe430a58875886e66aae767Winson Chung private final int[] mTmpXY = new int[2]; 83de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final int[] mTmpPoint = new int[2]; 84de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final PointF mTmpPointF = new PointF(); 8569ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen int[] mTempLocation = new int[2]; 866569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 8731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean[][] mOccupied; 88482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean[][] mTmpOccupied; 89d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka private boolean mLastDownOnOccupiedCell = false; 9031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 91dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka private OnTouchListener mInterceptTouchListener; 92dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 9369ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen private ArrayList<FolderRingAnimator> mFolderOuterRings = new ArrayList<FolderRingAnimator>(); 94c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen private int[] mFolderLeaveBehindCell = {-1, -1}; 9569ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen 96b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen private int mForegroundAlpha = 0; 975f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka private float mBackgroundAlpha; 981b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen private float mBackgroundAlphaMultiplier = 1.0f; 99f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen 10033945b21544bc98381df17726a3537c292d8c985Michael Jurka private Drawable mNormalBackground; 10133945b21544bc98381df17726a3537c292d8c985Michael Jurka private Drawable mActiveGlowBackground; 102b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen private Drawable mOverScrollForegroundDrawable; 103b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen private Drawable mOverScrollLeft; 104b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen private Drawable mOverScrollRight; 10518014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka private Rect mBackgroundRect; 106b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen private Rect mForegroundRect; 107b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen private int mForegroundPadding; 10833945b21544bc98381df17726a3537c292d8c985Michael Jurka 10933945b21544bc98381df17726a3537c292d8c985Michael Jurka // If we're actively dragging something over this screen, mIsDragOverlapping is true 11033945b21544bc98381df17726a3537c292d8c985Michael Jurka private boolean mIsDragOverlapping = false; 111de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final Point mDragCenter = new Point(); 1126569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 113150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung // These arrays are used to implement the drag visualization on x-large screens. 1144be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // They are used as circular arrays, indexed by mDragOutlineCurrent. 115d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen private Rect[] mDragOutlines = new Rect[4]; 116472b281d5cb4f5660df981a6c912266b9f5703feChet Haase private float[] mDragOutlineAlphas = new float[mDragOutlines.length]; 1174be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private InterruptibleInOutAnimator[] mDragOutlineAnims = 1184be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato new InterruptibleInOutAnimator[mDragOutlines.length]; 119150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 120150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung // Used as an index into the above 3 arrays; indicates which is the most current value. 1214be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private int mDragOutlineCurrent = 0; 1228e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy private final Paint mDragOutlinePaint = new Paint(); 123150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 12496864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy private BubbleTextView mPressedOrFocusedIcon; 12596864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy 126de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private Drawable mCrosshairsDrawable = null; 12749250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy private InterruptibleInOutAnimator mCrosshairsAnimator = null; 128de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private float mCrosshairsVisibility = 0.0f; 129de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 130482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private HashMap<CellLayout.LayoutParams, Animator> mReorderAnimators = new 131482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen HashMap<CellLayout.LayoutParams, Animator>(); 132bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen 1336569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // When a drag operation is in progress, holds the nearest cell to the touch point 1346569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy private final int[] mDragCell = new int[2]; 13531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1364be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private boolean mDragging = false; 137482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private boolean mItemLocationsDirty = false; 1384be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 139ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy private TimeInterpolator mEaseOutInterpolator; 140a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka private ShortcutAndWidgetContainer mShortcutsAndWidgets; 141ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 1420dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn private boolean mIsHotseat = false; 143eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung private float mChildScale = 1f; 144eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung private float mHotseatChildScale = 1f; 1450dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn 146482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public static final int MODE_DRAG_OVER = 0; 147482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public static final int MODE_ON_DROP = 1; 148482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public static final int MODE_ON_DROP_EXTERNAL = 2; 149482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public static final int MODE_ACCEPT_DROP = 3; 150482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private static final boolean DESTRUCTIVE_REORDER = true; 151482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private static final boolean DEBUG_VISUALIZE_OCCUPIED = false; 152482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 153482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private ArrayList<View> mIntersectingViews = new ArrayList<View>(); 154482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private Rect mOccupiedRect = new Rect(); 155482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private int[] mDirectionVector = new int[2]; 156482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 15731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context) { 15831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, null); 15931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 16031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 16131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context, AttributeSet attrs) { 16231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, attrs, 0); 16331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 16431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 16531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context, AttributeSet attrs, int defStyle) { 16631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(context, attrs, defStyle); 1676569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1686569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // A ViewGroup usually does not draw, but CellLayout needs to draw a rectangle to show 1696569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // the user where a dragged item will land when dropped. 1706569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy setWillNotDraw(false); 171a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka 17231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CellLayout, defStyle, 0); 17331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1744b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mOriginalCellWidth = 1754b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mCellWidth = a.getDimensionPixelSize(R.styleable.CellLayout_cellWidth, 10); 1764b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mOriginalCellHeight = 1774b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mCellHeight = a.getDimensionPixelSize(R.styleable.CellLayout_cellHeight, 10); 178234c4cd54406e363a2ebc213f6ae5be284414988Adam Cohen mWidthGap = mOriginalWidthGap = a.getDimensionPixelSize(R.styleable.CellLayout_widthGap, 0); 179234c4cd54406e363a2ebc213f6ae5be284414988Adam Cohen mHeightGap = mOriginalHeightGap = a.getDimensionPixelSize(R.styleable.CellLayout_heightGap, 0); 1804b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mMaxGap = a.getDimensionPixelSize(R.styleable.CellLayout_maxGap, 0); 181d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mCountX = LauncherModel.getCellCountX(); 182d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mCountY = LauncherModel.getCellCountY(); 1830280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied = new boolean[mCountX][mCountY]; 184482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mTmpOccupied = new boolean[mCountX][mCountY]; 18531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 18631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project a.recycle(); 18731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 18831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project setAlwaysDrawnWithCacheEnabled(false); 18931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 190046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final Resources res = getResources(); 191de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 192967289b6d5fec77f5c381d11ffb2319f3bb5e737Winson Chung mNormalBackground = res.getDrawable(R.drawable.homescreen_blue_normal_holo); 193dea74b7d12b0fcd50bfdb4274f9867ba76d75238Winson Chung mActiveGlowBackground = res.getDrawable(R.drawable.homescreen_blue_strong_holo); 194b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung 195b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen mOverScrollLeft = res.getDrawable(R.drawable.overscroll_glow_left); 196b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen mOverScrollRight = res.getDrawable(R.drawable.overscroll_glow_right); 197b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen mForegroundPadding = 198b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen res.getDimensionPixelSize(R.dimen.workspace_overscroll_drawable_padding); 199b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung 200b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung mNormalBackground.setFilterBitmap(true); 201b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung mActiveGlowBackground.setFilterBitmap(true); 202de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 203eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung int iconScale = res.getInteger(R.integer.app_icon_scale_percent); 204eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung if (iconScale >= 0) { 205eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung mChildScale = iconScale / 100f; 206eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung } 207eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung int hotseatIconScale = res.getInteger(R.integer.app_icon_hotseat_scale_percent); 208eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung if (hotseatIconScale >= 0) { 209eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung mHotseatChildScale = hotseatIconScale / 100f; 210eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung } 2110dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn 212046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Initialize the data structures used for the drag visualization. 213150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 214046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy mCrosshairsDrawable = res.getDrawable(R.drawable.gardening_crosshairs); 215ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy mEaseOutInterpolator = new DecelerateInterpolator(2.5f); // Quint ease out 216de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 217046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Set up the animation for fading the crosshairs in and out 218046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy int animDuration = res.getInteger(R.integer.config_crosshairsFadeInTime); 21949250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy mCrosshairsAnimator = new InterruptibleInOutAnimator(animDuration, 0.0f, 1.0f); 220472b281d5cb4f5660df981a6c912266b9f5703feChet Haase mCrosshairsAnimator.getAnimator().addUpdateListener(new AnimatorUpdateListener() { 221046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy public void onAnimationUpdate(ValueAnimator animation) { 222046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy mCrosshairsVisibility = ((Float) animation.getAnimatedValue()).floatValue(); 2238e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy invalidate(); 224046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy } 225046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy }); 226ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy mCrosshairsAnimator.getAnimator().setInterpolator(mEaseOutInterpolator); 227046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy 228b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung mDragCell[0] = mDragCell[1] = -1; 2294be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlines.length; i++) { 230d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen mDragOutlines[i] = new Rect(-1, -1, -1, -1); 231046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy } 232046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy 233046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // When dragging things around the home screens, we show a green outline of 234046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // where the item will land. The outlines gradually fade out, leaving a trail 235046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // behind the drag path. 236046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Set up all the animations that are used to implement this fading. 237046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final int duration = res.getInteger(R.integer.config_dragOutlineFadeTime); 238472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float fromAlphaValue = 0; 239472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float toAlphaValue = (float)res.getInteger(R.integer.config_dragOutlineMaxAlpha); 2404be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 2418e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy Arrays.fill(mDragOutlineAlphas, fromAlphaValue); 2424be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 2434be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlineAnims.length; i++) { 244046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final InterruptibleInOutAnimator anim = 245046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy new InterruptibleInOutAnimator(duration, fromAlphaValue, toAlphaValue); 246ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy anim.getAnimator().setInterpolator(mEaseOutInterpolator); 247046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final int thisIndex = i; 248472b281d5cb4f5660df981a6c912266b9f5703feChet Haase anim.getAnimator().addUpdateListener(new AnimatorUpdateListener() { 249de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy public void onAnimationUpdate(ValueAnimator animation) { 2504be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Bitmap outline = (Bitmap)anim.getTag(); 2514be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 2524be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // If an animation is started and then stopped very quickly, we can still 2534be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // get spurious updates we've cleared the tag. Guard against this. 2544be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (outline == null) { 255fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy if (false) { 256fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy Object val = animation.getAnimatedValue(); 257fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy Log.d(TAG, "anim " + thisIndex + " update: " + val + 258fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy ", isStopped " + anim.isStopped()); 259fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy } 2604be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Try to prevent it from continuing to run 2614be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato animation.cancel(); 2624be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } else { 263472b281d5cb4f5660df981a6c912266b9f5703feChet Haase mDragOutlineAlphas[thisIndex] = (Float) animation.getAnimatedValue(); 264d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen CellLayout.this.invalidate(mDragOutlines[thisIndex]); 2654be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 266de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 267de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy }); 2684be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // The animation holds a reference to the drag outline bitmap as long is it's 2694be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // running. This way the bitmap can be GCed when the animations are complete. 270472b281d5cb4f5660df981a6c912266b9f5703feChet Haase anim.getAnimator().addListener(new AnimatorListenerAdapter() { 2713c4c20fbe682cb4b3ef94f09afe0af09171583f3Michael Jurka @Override 2724be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato public void onAnimationEnd(Animator animation) { 273472b281d5cb4f5660df981a6c912266b9f5703feChet Haase if ((Float) ((ValueAnimator) animation).getAnimatedValue() == 0f) { 2744be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato anim.setTag(null); 2754be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 2764be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 2774be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato }); 2784be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragOutlineAnims[i] = anim; 279de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 280ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 28118014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundRect = new Rect(); 282b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen mForegroundRect = new Rect(); 283bea15195346bab3c52b0156e92f2b71f0811b210Michael Jurka 284a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets = new ShortcutAndWidgetContainer(context); 285a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.setCellDimensions(mCellWidth, mCellHeight, mWidthGap, mHeightGap); 286a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka addView(mShortcutsAndWidgets); 28718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 28818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 289f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka static int widthInPortrait(Resources r, int numCells) { 290f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka // We use this method from Workspace to figure out how many rows/columns Launcher should 291f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka // have. We ignore the left/right padding on CellLayout because it turns out in our design 292f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka // the padding extends outside the visible screen size, but it looked fine anyway. 293f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka int cellWidth = r.getDimensionPixelSize(R.dimen.workspace_cell_width); 2944b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int minGap = Math.min(r.getDimensionPixelSize(R.dimen.workspace_width_gap), 2954b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung r.getDimensionPixelSize(R.dimen.workspace_height_gap)); 296f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka 2974b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung return minGap * (numCells - 1) + cellWidth * numCells; 298f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka } 299f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka 300f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka static int heightInLandscape(Resources r, int numCells) { 301f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka // We use this method from Workspace to figure out how many rows/columns Launcher should 302f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka // have. We ignore the left/right padding on CellLayout because it turns out in our design 303f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka // the padding extends outside the visible screen size, but it looked fine anyway. 304f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka int cellHeight = r.getDimensionPixelSize(R.dimen.workspace_cell_height); 3054b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int minGap = Math.min(r.getDimensionPixelSize(R.dimen.workspace_width_gap), 3064b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung r.getDimensionPixelSize(R.dimen.workspace_height_gap)); 307f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka 3084b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung return minGap * (numCells - 1) + cellHeight * numCells; 309f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka } 310f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka 3112801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen public void enableHardwareLayers() { 312a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.enableHardwareLayers(); 3132801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 3142801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen 3152801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen public void setGridSize(int x, int y) { 3162801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen mCountX = x; 3172801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen mCountY = y; 3182801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen mOccupied = new boolean[mCountX][mCountY]; 319482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mTmpOccupied = new boolean[mCountX][mCountY]; 32076fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen requestLayout(); 3212801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 3222801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen 32396864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy private void invalidateBubbleTextView(BubbleTextView icon) { 32496864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy final int padding = icon.getPressedOrFocusedBackgroundPadding(); 3254b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung invalidate(icon.getLeft() + getPaddingLeft() - padding, 3264b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung icon.getTop() + getPaddingTop() - padding, 3274b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung icon.getRight() + getPaddingLeft() + padding, 3284b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung icon.getBottom() + getPaddingTop() + padding); 32996864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy } 33096864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy 331b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen void setOverScrollAmount(float r, boolean left) { 332b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen if (left && mOverScrollForegroundDrawable != mOverScrollLeft) { 333b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen mOverScrollForegroundDrawable = mOverScrollLeft; 334b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen } else if (!left && mOverScrollForegroundDrawable != mOverScrollRight) { 335b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen mOverScrollForegroundDrawable = mOverScrollRight; 336b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen } 337b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen 338b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen mForegroundAlpha = (int) Math.round((r * 255)); 339b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen mOverScrollForegroundDrawable.setAlpha(mForegroundAlpha); 340b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen invalidate(); 341b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen } 342b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen 34396864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy void setPressedOrFocusedIcon(BubbleTextView icon) { 34496864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy // We draw the pressed or focused BubbleTextView's background in CellLayout because it 34596864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy // requires an expanded clip rect (due to the glow's blur radius) 34696864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy BubbleTextView oldIcon = mPressedOrFocusedIcon; 34796864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy mPressedOrFocusedIcon = icon; 34896864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy if (oldIcon != null) { 34996864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy invalidateBubbleTextView(oldIcon); 35096864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy } 35196864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy if (mPressedOrFocusedIcon != null) { 35296864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy invalidateBubbleTextView(mPressedOrFocusedIcon); 35396864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy } 35496864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy } 35596864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy 35633945b21544bc98381df17726a3537c292d8c985Michael Jurka void setIsDragOverlapping(boolean isDragOverlapping) { 35733945b21544bc98381df17726a3537c292d8c985Michael Jurka if (mIsDragOverlapping != isDragOverlapping) { 35833945b21544bc98381df17726a3537c292d8c985Michael Jurka mIsDragOverlapping = isDragOverlapping; 35933945b21544bc98381df17726a3537c292d8c985Michael Jurka invalidate(); 36033945b21544bc98381df17726a3537c292d8c985Michael Jurka } 36133945b21544bc98381df17726a3537c292d8c985Michael Jurka } 36233945b21544bc98381df17726a3537c292d8c985Michael Jurka 36333945b21544bc98381df17726a3537c292d8c985Michael Jurka boolean getIsDragOverlapping() { 36433945b21544bc98381df17726a3537c292d8c985Michael Jurka return mIsDragOverlapping; 36533945b21544bc98381df17726a3537c292d8c985Michael Jurka } 36633945b21544bc98381df17726a3537c292d8c985Michael Jurka 367ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen protected void setOverscrollTransformsDirty(boolean dirty) { 368ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen mScrollingTransformsDirty = dirty; 369ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen } 370ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen 371ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen protected void resetOverscrollTransforms() { 372ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen if (mScrollingTransformsDirty) { 373ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen setOverscrollTransformsDirty(false); 374ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen setTranslationX(0); 375ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen setRotationY(0); 376ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen // It doesn't matter if we pass true or false here, the important thing is that we 377ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen // pass 0, which results in the overscroll drawable not being drawn any more. 378ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen setOverScrollAmount(0, false); 379ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen setPivotX(getMeasuredWidth() / 2); 380ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen setPivotY(getMeasuredHeight() / 2); 381ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen } 382ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen } 383ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen 384a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy @Override 3851262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy protected void onDraw(Canvas canvas) { 3863e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // When we're large, we are either drawn in a "hover" state (ie when dragging an item to 3873e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // a neighboring page) or with just a normal background (if backgroundAlpha > 0.0f) 3883e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // When we're small, we are either drawn normally or in the "accepts drops" state (during 3893e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // a drag). However, we also drag the mini hover background *over* one of those two 3903e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // backgrounds 391b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung if (mBackgroundAlpha > 0.0f) { 392f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen Drawable bg; 39333945b21544bc98381df17726a3537c292d8c985Michael Jurka 39433945b21544bc98381df17726a3537c292d8c985Michael Jurka if (mIsDragOverlapping) { 39533945b21544bc98381df17726a3537c292d8c985Michael Jurka // In the mini case, we draw the active_glow bg *over* the active background 396bdf78559f223ac11e01e3311edd5a48a80383e1eMichael Jurka bg = mActiveGlowBackground; 397f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } else { 398bdf78559f223ac11e01e3311edd5a48a80383e1eMichael Jurka bg = mNormalBackground; 399f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 40033945b21544bc98381df17726a3537c292d8c985Michael Jurka 40133945b21544bc98381df17726a3537c292d8c985Michael Jurka bg.setAlpha((int) (mBackgroundAlpha * mBackgroundAlphaMultiplier * 255)); 40233945b21544bc98381df17726a3537c292d8c985Michael Jurka bg.setBounds(mBackgroundRect); 40333945b21544bc98381df17726a3537c292d8c985Michael Jurka bg.draw(canvas); 404a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 40531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 406de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (mCrosshairsVisibility > 0.0f) { 407de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countX = mCountX; 408de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countY = mCountY; 409de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 410de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final float MAX_ALPHA = 0.4f; 411de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int MAX_VISIBLE_DISTANCE = 600; 412de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final float DISTANCE_MULTIPLIER = 0.002f; 413de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 414de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final Drawable d = mCrosshairsDrawable; 415de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int width = d.getIntrinsicWidth(); 416de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int height = d.getIntrinsicHeight(); 417de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 4184b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int x = getPaddingLeft() - (mWidthGap / 2) - (width / 2); 419de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int col = 0; col <= countX; col++) { 4204b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int y = getPaddingTop() - (mHeightGap / 2) - (height / 2); 421de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int row = 0; row <= countY; row++) { 422de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mTmpPointF.set(x - mDragCenter.x, y - mDragCenter.y); 423de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy float dist = mTmpPointF.length(); 424de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // Crosshairs further from the drag point are more faint 425de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy float alpha = Math.min(MAX_ALPHA, 426de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy DISTANCE_MULTIPLIER * (MAX_VISIBLE_DISTANCE - dist)); 427de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (alpha > 0.0f) { 428de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.setBounds(x, y, x + width, y + height); 429de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.setAlpha((int) (alpha * 255 * mCrosshairsVisibility)); 430de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.draw(canvas); 431de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 432de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy y += mCellHeight + mHeightGap; 433de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 434de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy x += mCellWidth + mWidthGap; 435de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 4364be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 437150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 4388e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy final Paint paint = mDragOutlinePaint; 4394be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlines.length; i++) { 440472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float alpha = mDragOutlineAlphas[i]; 4414be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (alpha > 0) { 442d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen final Rect r = mDragOutlines[i]; 4434be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Bitmap b = (Bitmap) mDragOutlineAnims[i].getTag(); 444472b281d5cb4f5660df981a6c912266b9f5703feChet Haase paint.setAlpha((int)(alpha + .5f)); 445d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen canvas.drawBitmap(b, null, r, paint); 446150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung } 4476569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 44896864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy 44996864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy // We draw the pressed or focused BubbleTextView's background in CellLayout because it 45096864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy // requires an expanded clip rect (due to the glow's blur radius) 45196864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy if (mPressedOrFocusedIcon != null) { 45296864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy final int padding = mPressedOrFocusedIcon.getPressedOrFocusedBackgroundPadding(); 45396864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy final Bitmap b = mPressedOrFocusedIcon.getPressedOrFocusedBackground(); 45496864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy if (b != null) { 45596864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy canvas.drawBitmap(b, 4564b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mPressedOrFocusedIcon.getLeft() + getPaddingLeft() - padding, 4574b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mPressedOrFocusedIcon.getTop() + getPaddingTop() - padding, 45896864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy null); 45996864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy } 46096864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy } 46169ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen 462482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (DEBUG_VISUALIZE_OCCUPIED) { 463482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int[] pt = new int[2]; 464482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen ColorDrawable cd = new ColorDrawable(Color.RED); 465482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen cd.setBounds(0, 0, 80, 80); 466482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < mCountX; i++) { 467482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int j = 0; j < mCountY; j++) { 468482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (mOccupied[i][j]) { 469482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen cellToPoint(i, j, pt); 470482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen canvas.save(); 471482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen canvas.translate(pt[0], pt[1]); 472482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen cd.draw(canvas); 473482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen canvas.restore(); 474482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 475482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 476482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 477482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 478482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 47969ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen // The folder outer / inner ring image(s) 48069ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen for (int i = 0; i < mFolderOuterRings.size(); i++) { 48169ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen FolderRingAnimator fra = mFolderOuterRings.get(i); 48269ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen 48369ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen // Draw outer ring 48469ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen Drawable d = FolderRingAnimator.sSharedOuterRingDrawable; 48569ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen int width = (int) fra.getOuterRingSize(); 48669ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen int height = width; 48769ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen cellToPoint(fra.mCellX, fra.mCellY, mTempLocation); 48869ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen 48969ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen int centerX = mTempLocation[0] + mCellWidth / 2; 49069ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen int centerY = mTempLocation[1] + FolderRingAnimator.sPreviewSize / 2; 49169ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen 49269ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen canvas.save(); 49369ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen canvas.translate(centerX - width / 2, centerY - height / 2); 49469ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen d.setBounds(0, 0, width, height); 49569ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen d.draw(canvas); 49669ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen canvas.restore(); 49769ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen 49869ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen // Draw inner ring 49969ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen d = FolderRingAnimator.sSharedInnerRingDrawable; 50069ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen width = (int) fra.getInnerRingSize(); 50169ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen height = width; 50269ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen cellToPoint(fra.mCellX, fra.mCellY, mTempLocation); 50369ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen 50469ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen centerX = mTempLocation[0] + mCellWidth / 2; 50569ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen centerY = mTempLocation[1] + FolderRingAnimator.sPreviewSize / 2; 50669ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen canvas.save(); 50769ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen canvas.translate(centerX - width / 2, centerY - width / 2); 50869ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen d.setBounds(0, 0, width, height); 50969ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen d.draw(canvas); 51069ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen canvas.restore(); 51169ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen } 512c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen 513c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen if (mFolderLeaveBehindCell[0] >= 0 && mFolderLeaveBehindCell[1] >= 0) { 514c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen Drawable d = FolderIcon.sSharedFolderLeaveBehind; 515c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen int width = d.getIntrinsicWidth(); 516c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen int height = d.getIntrinsicHeight(); 517c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen 518c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen cellToPoint(mFolderLeaveBehindCell[0], mFolderLeaveBehindCell[1], mTempLocation); 519c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen int centerX = mTempLocation[0] + mCellWidth / 2; 520c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen int centerY = mTempLocation[1] + FolderRingAnimator.sPreviewSize / 2; 521c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen 522c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen canvas.save(); 523c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen canvas.translate(centerX - width / 2, centerY - width / 2); 524c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen d.setBounds(0, 0, width, height); 525c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen d.draw(canvas); 526c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen canvas.restore(); 527c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen } 52869ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen } 52969ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen 530b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen @Override 531b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen protected void dispatchDraw(Canvas canvas) { 532b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen super.dispatchDraw(canvas); 533b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen if (mForegroundAlpha > 0) { 534b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen mOverScrollForegroundDrawable.setBounds(mForegroundRect); 535b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen Paint p = ((NinePatchDrawable) mOverScrollForegroundDrawable).getPaint(); 536b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen p.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.ADD)); 537b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen mOverScrollForegroundDrawable.draw(canvas); 538b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen p.setXfermode(null); 539b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen } 540b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen } 541b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen 54269ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen public void showFolderAccept(FolderRingAnimator fra) { 54369ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen mFolderOuterRings.add(fra); 54469ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen } 54569ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen 54669ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen public void hideFolderAccept(FolderRingAnimator fra) { 54769ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen if (mFolderOuterRings.contains(fra)) { 54869ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen mFolderOuterRings.remove(fra); 54969ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen } 55069ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen invalidate(); 5516569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 5526569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 553c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen public void setFolderLeaveBehindCell(int x, int y) { 554c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen mFolderLeaveBehindCell[0] = x; 555c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen mFolderLeaveBehindCell[1] = y; 556c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen invalidate(); 557c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen } 558c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen 559c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen public void clearFolderLeaveBehind() { 560c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen mFolderLeaveBehindCell[0] = -1; 561c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen mFolderLeaveBehindCell[1] = -1; 562c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen invalidate(); 563c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen } 564c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen 5656569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy @Override 566e6235dd225404239b55c459245543f3302326112Michael Jurka public boolean shouldDelayChildPressedState() { 567e6235dd225404239b55c459245543f3302326112Michael Jurka return false; 568e6235dd225404239b55c459245543f3302326112Michael Jurka } 569e6235dd225404239b55c459245543f3302326112Michael Jurka 570e6235dd225404239b55c459245543f3302326112Michael Jurka @Override 57183f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey public void cancelLongPress() { 57283f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey super.cancelLongPress(); 57383f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey 57483f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey // Cancel long press for all children 57583f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey final int count = getChildCount(); 57683f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey for (int i = 0; i < count; i++) { 57783f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey final View child = getChildAt(i); 57883f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey child.cancelLongPress(); 57983f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey } 58083f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey } 58183f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey 582dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka public void setOnInterceptTouchListener(View.OnTouchListener listener) { 583dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka mInterceptTouchListener = listener; 584dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 585dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 58631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCountX() { 587d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen return mCountX; 58831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 58931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 59031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCountY() { 591d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen return mCountY; 59231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 59331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 5940dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn public void setIsHotseat(boolean isHotseat) { 5950dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn mIsHotseat = isHotseat; 5960dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn } 5970dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn 598eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung public float getChildrenScale() { 599eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung return mIsHotseat ? mHotseatChildScale : mChildScale; 600eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung } 601eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung 602f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka public boolean addViewToCellLayout( 603f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka View child, int index, int childId, LayoutParams params, boolean markCells) { 6040dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn return addViewToCellLayout(child, index, childId, params, markCells, false); 6050dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn } 6060dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn 607eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung private void scaleChild(BubbleTextView bubbleChild, float pivot, float scale) { 608bc239a15464f543a41b960b946aa77258454efafAndrew Flynn // If we haven't measured the child yet, do it now 609bc239a15464f543a41b960b946aa77258454efafAndrew Flynn // (this happens if we're being dropped from all-apps 610bc239a15464f543a41b960b946aa77258454efafAndrew Flynn if (bubbleChild.getLayoutParams() instanceof LayoutParams && 611bc239a15464f543a41b960b946aa77258454efafAndrew Flynn (bubbleChild.getMeasuredWidth() | bubbleChild.getMeasuredHeight()) == 0) { 612a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka getShortcutsAndWidgets().measureChild(bubbleChild); 613bc239a15464f543a41b960b946aa77258454efafAndrew Flynn } 614bc239a15464f543a41b960b946aa77258454efafAndrew Flynn int measuredWidth = bubbleChild.getMeasuredWidth(); 615bc239a15464f543a41b960b946aa77258454efafAndrew Flynn int measuredHeight = bubbleChild.getMeasuredHeight(); 616bc239a15464f543a41b960b946aa77258454efafAndrew Flynn 617bc239a15464f543a41b960b946aa77258454efafAndrew Flynn bubbleChild.setScaleX(scale); 618bc239a15464f543a41b960b946aa77258454efafAndrew Flynn bubbleChild.setScaleY(scale); 619bc239a15464f543a41b960b946aa77258454efafAndrew Flynn } 620bc239a15464f543a41b960b946aa77258454efafAndrew Flynn 621bc239a15464f543a41b960b946aa77258454efafAndrew Flynn private void resetChild(BubbleTextView bubbleChild) { 622bc239a15464f543a41b960b946aa77258454efafAndrew Flynn bubbleChild.setScaleX(1f); 623bc239a15464f543a41b960b946aa77258454efafAndrew Flynn bubbleChild.setScaleY(1f); 624bc239a15464f543a41b960b946aa77258454efafAndrew Flynn 625bc239a15464f543a41b960b946aa77258454efafAndrew Flynn bubbleChild.setTextColor(getResources().getColor(R.color.workspace_icon_text_color)); 626bc239a15464f543a41b960b946aa77258454efafAndrew Flynn } 627bc239a15464f543a41b960b946aa77258454efafAndrew Flynn 6280dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn public boolean addViewToCellLayout(View child, int index, int childId, LayoutParams params, 6290dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn boolean markCells, boolean allApps) { 630aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final LayoutParams lp = params; 631aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 6320dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn // Hotseat icons - scale down and remove text 6330dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn // Don't scale the all apps button 6340dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn // scale percent set to -1 means do not scale 6350dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn // Only scale BubbleTextViews 6360dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn if (child instanceof BubbleTextView) { 6370dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn BubbleTextView bubbleChild = (BubbleTextView) child; 6380dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn 639bc239a15464f543a41b960b946aa77258454efafAndrew Flynn // Start the child with 100% scale and visible text 640bc239a15464f543a41b960b946aa77258454efafAndrew Flynn resetChild(bubbleChild); 641bc239a15464f543a41b960b946aa77258454efafAndrew Flynn 642eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung if (mIsHotseat && !allApps && mHotseatChildScale >= 0) { 643bc239a15464f543a41b960b946aa77258454efafAndrew Flynn // Scale/make transparent for a hotseat 644eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung scaleChild(bubbleChild, 0f, mHotseatChildScale); 6450dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn 646bc239a15464f543a41b960b946aa77258454efafAndrew Flynn bubbleChild.setTextColor(getResources().getColor(android.R.color.transparent)); 647eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung } else if (mChildScale >= 0) { 648bc239a15464f543a41b960b946aa77258454efafAndrew Flynn // Else possibly still scale it if we need to for smaller icons 649eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung scaleChild(bubbleChild, 0f, mChildScale); 6500dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn } 6510dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn } 6520dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn 65331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Generate an id for each view, this assumes we have at most 256x256 cells 65431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // per workspace screen 655d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellX >= 0 && lp.cellX <= mCountX - 1 && lp.cellY >= 0 && lp.cellY <= mCountY - 1) { 656aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // If the horizontal or vertical span is set to -1, it is taken to 657aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // mean that it spans the extent of the CellLayout 658d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellHSpan < 0) lp.cellHSpan = mCountX; 659d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellVSpan < 0) lp.cellVSpan = mCountY; 660aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 661aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung child.setId(childId); 66231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 663a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.addView(child, index, lp); 664dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 665f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka if (markCells) markCellsAsOccupiedForView(child); 6660280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 667aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return true; 668aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 669aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return false; 67031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 6713e7c7634531302271270c8cf418abc959d621cbcMichael Jurka 67231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 6730280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeAllViews() { 6740280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka clearOccupiedCells(); 675a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.removeAllViews(); 6760280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 6770280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 6780280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 6790280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeAllViewsInLayout() { 680a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka if (mShortcutsAndWidgets.getChildCount() > 0) { 6817cfc2825c3a1029f962d2fc387ae2eaa85b51798Michael Jurka clearOccupiedCells(); 682a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.removeAllViewsInLayout(); 6837cfc2825c3a1029f962d2fc387ae2eaa85b51798Michael Jurka } 6840280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 6850280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 686f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka public void removeViewWithoutMarkingCells(View view) { 687a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.removeView(view); 688f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka } 689f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka 6900280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 6910280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeView(View view) { 6920280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 693a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.removeView(view); 6940280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 6950280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 6960280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 6970280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewAt(int index) { 698a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka markCellsAsUnoccupiedForView(mShortcutsAndWidgets.getChildAt(index)); 699a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.removeViewAt(index); 7000280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 7010280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 7020280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 7030280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewInLayout(View view) { 7040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 705a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.removeViewInLayout(view); 7060280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 7070280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 7080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 7090280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViews(int start, int count) { 7100280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = start; i < start + count; i++) { 711a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka markCellsAsUnoccupiedForView(mShortcutsAndWidgets.getChildAt(i)); 7120280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 713a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.removeViews(start, count); 7140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 7150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 7160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 7170280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewsInLayout(int start, int count) { 7180280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = start; i < start + count; i++) { 719a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka markCellsAsUnoccupiedForView(mShortcutsAndWidgets.getChildAt(i)); 7200280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 721a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.removeViewsInLayout(start, count); 722abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka } 723abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka 72431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 72531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onAttachedToWindow() { 72631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onAttachedToWindow(); 72731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellInfo.screen = ((ViewGroup) getParent()).indexOfChild(this); 72831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 72931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 730af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka public void setTagToCellInfoForPoint(int touchX, int touchY) { 73131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellInfo cellInfo = mCellInfo; 732eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung Rect frame = mRect; 733af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int x = touchX + mScrollX; 734af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int y = touchY + mScrollY; 735a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka final int count = mShortcutsAndWidgets.getChildCount(); 73631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 737af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka boolean found = false; 738af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka for (int i = count - 1; i >= 0; i--) { 739a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka final View child = mShortcutsAndWidgets.getChildAt(i); 740d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen final LayoutParams lp = (LayoutParams) child.getLayoutParams(); 741af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka 7421b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen if ((child.getVisibility() == VISIBLE || child.getAnimation() != null) && 7431b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen lp.isLockedToGrid) { 744af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka child.getHitRect(frame); 7450be025d64c1f84138fe430a58875886e66aae767Winson Chung 746eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung float scale = child.getScaleX(); 747eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung frame = new Rect(child.getLeft(), child.getTop(), child.getRight(), 748eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung child.getBottom()); 7490be025d64c1f84138fe430a58875886e66aae767Winson Chung // The child hit rect is relative to the CellLayoutChildren parent, so we need to 7500be025d64c1f84138fe430a58875886e66aae767Winson Chung // offset that by this CellLayout's padding to test an (x,y) point that is relative 7510be025d64c1f84138fe430a58875886e66aae767Winson Chung // to this view. 7524b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung frame.offset(mPaddingLeft, mPaddingTop); 753eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung frame.inset((int) (frame.width() * (1f - scale) / 2), 754eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung (int) (frame.height() * (1f - scale) / 2)); 7550be025d64c1f84138fe430a58875886e66aae767Winson Chung 756af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (frame.contains(x, y)) { 757af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cell = child; 758af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellX = lp.cellX; 759af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellY = lp.cellY; 760af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanX = lp.cellHSpan; 761af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanY = lp.cellVSpan; 762af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka found = true; 763af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka break; 76431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 76531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 766af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 767aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 768d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka mLastDownOnOccupiedCell = found; 769d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka 770af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (!found) { 7710be025d64c1f84138fe430a58875886e66aae767Winson Chung final int cellXY[] = mTmpXY; 772af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka pointToCellExact(x, y, cellXY); 77331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 774af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cell = null; 775af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellX = cellXY[0]; 776af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellY = cellXY[1]; 777af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanX = 1; 778af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanY = 1; 779af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 780af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka setTag(cellInfo); 781af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 78231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 783af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka @Override 784af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka public boolean onInterceptTouchEvent(MotionEvent ev) { 785c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen // First we clear the tag to ensure that on every touch down we start with a fresh slate, 786c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen // even in the case where we return early. Not clearing here was causing bugs whereby on 787c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen // long-press we'd end up picking up an item from a previous drag operation. 788c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen final int action = ev.getAction(); 789c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen 790c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen if (action == MotionEvent.ACTION_DOWN) { 791c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen clearTagCellInfo(); 792c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen } 793c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen 794dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka if (mInterceptTouchListener != null && mInterceptTouchListener.onTouch(this, ev)) { 795dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka return true; 796dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 79731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 798af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (action == MotionEvent.ACTION_DOWN) { 799af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka setTagToCellInfoForPoint((int) ev.getX(), (int) ev.getY()); 80031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 801eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung 80231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 80331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 80431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 805c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen private void clearTagCellInfo() { 806c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen final CellInfo cellInfo = mCellInfo; 807c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen cellInfo.cell = null; 808c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen cellInfo.cellX = -1; 809c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen cellInfo.cellY = -1; 810c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen cellInfo.spanX = 0; 811c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen cellInfo.spanY = 0; 812c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen setTag(cellInfo); 813c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen } 814c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen 81531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellInfo getTag() { 8160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return (CellInfo) super.getTag(); 81731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 81831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8196569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 820aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Given a point, return the cell that strictly encloses that point 82131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x X coordinate of the point 82231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y Y coordinate of the point 82331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the cell 82431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 82531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void pointToCellExact(int x, int y, int[] result) { 8264b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int hStartPadding = getPaddingLeft(); 8274b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int vStartPadding = getPaddingTop(); 82831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 82931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[0] = (x - hStartPadding) / (mCellWidth + mWidthGap); 83031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[1] = (y - vStartPadding) / (mCellHeight + mHeightGap); 83131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 832d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int xAxis = mCountX; 833d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int yAxis = mCountY; 83431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 83531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[0] < 0) result[0] = 0; 83631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[0] >= xAxis) result[0] = xAxis - 1; 83731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[1] < 0) result[1] = 0; 83831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[1] >= yAxis) result[1] = yAxis - 1; 83931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 840aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 84131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 84231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Given a point, return the cell that most closely encloses that point 84331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x X coordinate of the point 84431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y Y coordinate of the point 84531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the cell 84631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 84731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void pointToCellRounded(int x, int y, int[] result) { 84831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project pointToCellExact(x + (mCellWidth / 2), y + (mCellHeight / 2), result); 84931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 85031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 85131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 85231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Given a cell coordinate, return the point that represents the upper left corner of that cell 853aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 854aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * @param cellX X coordinate of the cell 85531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellY Y coordinate of the cell 856aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 85731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the point 85831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 85931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void cellToPoint(int cellX, int cellY, int[] result) { 8604b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int hStartPadding = getPaddingLeft(); 8614b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int vStartPadding = getPaddingTop(); 86231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 86331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[0] = hStartPadding + cellX * (mCellWidth + mWidthGap); 86431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[1] = vStartPadding + cellY * (mCellHeight + mHeightGap); 86531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 86631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 867e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen /** 868482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * Given a cell coordinate, return the point that represents the center of the cell 869e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen * 870e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen * @param cellX X coordinate of the cell 871e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen * @param cellY Y coordinate of the cell 872e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen * 873e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen * @param result Array of 2 ints to hold the x and y coordinate of the point 874e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen */ 875e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen void cellToCenterPoint(int cellX, int cellY, int[] result) { 87647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen regionToCenterPoint(cellX, cellY, 1, 1, result); 87747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 87847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 87947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen /** 88047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * Given a cell coordinate and span return the point that represents the center of the regio 88147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * 88247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * @param cellX X coordinate of the cell 88347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * @param cellY Y coordinate of the cell 88447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * 88547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * @param result Array of 2 ints to hold the x and y coordinate of the point 88647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen */ 88747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen void regionToCenterPoint(int cellX, int cellY, int spanX, int spanY, int[] result) { 8884b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int hStartPadding = getPaddingLeft(); 8894b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int vStartPadding = getPaddingTop(); 890e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen 89147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen result[0] = hStartPadding + cellX * (mCellWidth + mWidthGap) + 89247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen (spanX * mCellWidth + (spanX - 1) * mWidthGap) / 2; 89347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen result[1] = vStartPadding + cellY * (mCellHeight + mHeightGap) + 89447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen (spanY * mCellHeight + (spanY - 1) * mHeightGap) / 2; 895e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen } 896e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen 897482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public float getDistanceFromCell(float x, float y, int[] cell) { 898482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen cellToCenterPoint(cell[0], cell[1], mTmpPoint); 899482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen float distance = (float) Math.sqrt( Math.pow(x - mTmpPoint[0], 2) + 900482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen Math.pow(y - mTmpPoint[1], 2)); 901482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return distance; 902482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 903482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 90484f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy int getCellWidth() { 90584f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy return mCellWidth; 90684f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 90784f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 90884f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy int getCellHeight() { 90984f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy return mCellHeight; 91084f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 91184f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 912d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen int getWidthGap() { 913d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen return mWidthGap; 914d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 915d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 916d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen int getHeightGap() { 917d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen return mHeightGap; 918d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 919d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 9207f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen Rect getContentRect(Rect r) { 9217f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen if (r == null) { 9227f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen r = new Rect(); 9237f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 9247f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen int left = getPaddingLeft(); 9257f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen int top = getPaddingTop(); 9264b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int right = left + getWidth() - mPaddingLeft - mPaddingRight; 9274b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int bottom = top + getHeight() - mPaddingTop - mPaddingBottom; 9287f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen r.set(left, top, right, bottom); 9297f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen return r; 9307f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 9317f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 93231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 93331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 93431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // TODO: currently ignoring padding 935aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 93631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec); 937aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec); 938aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 93931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec); 94031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int heightSpecSize = MeasureSpec.getSize(heightMeasureSpec); 941aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 94231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (widthSpecMode == MeasureSpec.UNSPECIFIED || heightSpecMode == MeasureSpec.UNSPECIFIED) { 94331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new RuntimeException("CellLayout cannot have UNSPECIFIED dimensions"); 94431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 94531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 946d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen int numWidthGaps = mCountX - 1; 947d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen int numHeightGaps = mCountY - 1; 948d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen 949234c4cd54406e363a2ebc213f6ae5be284414988Adam Cohen if (mOriginalWidthGap < 0 || mOriginalHeightGap < 0) { 9504b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int hSpace = widthSpecSize - mPaddingLeft - mPaddingRight; 9514b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int vSpace = heightSpecSize - mPaddingTop - mPaddingBottom; 9524b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int hFreeSpace = hSpace - (mCountX * mOriginalCellWidth); 9534b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int vFreeSpace = vSpace - (mCountY * mOriginalCellHeight); 9544b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mWidthGap = Math.min(mMaxGap, numWidthGaps > 0 ? (hFreeSpace / numWidthGaps) : 0); 9554b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mHeightGap = Math.min(mMaxGap,numHeightGaps > 0 ? (vFreeSpace / numHeightGaps) : 0); 956a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.setCellDimensions(mCellWidth, mCellHeight, mWidthGap, mHeightGap); 957234c4cd54406e363a2ebc213f6ae5be284414988Adam Cohen } else { 958234c4cd54406e363a2ebc213f6ae5be284414988Adam Cohen mWidthGap = mOriginalWidthGap; 959234c4cd54406e363a2ebc213f6ae5be284414988Adam Cohen mHeightGap = mOriginalHeightGap; 960ece7f5b3b55cab646941123e03589241a61678e2Winson Chung } 9615f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 9628c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka // Initial values correspond to widthSpecMode == MeasureSpec.EXACTLY 9638c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka int newWidth = widthSpecSize; 9648c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka int newHeight = heightSpecSize; 9658c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka if (widthSpecMode == MeasureSpec.AT_MOST) { 9664b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung newWidth = mPaddingLeft + mPaddingRight + (mCountX * mCellWidth) + 9678c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka ((mCountX - 1) * mWidthGap); 9684b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung newHeight = mPaddingTop + mPaddingBottom + (mCountY * mCellHeight) + 9698c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka ((mCountY - 1) * mHeightGap); 9708c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka setMeasuredDimension(newWidth, newHeight); 9718c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka } 97231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 9738c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka int count = getChildCount(); 97431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 97531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = getChildAt(i); 9764b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int childWidthMeasureSpec = MeasureSpec.makeMeasureSpec(newWidth - mPaddingLeft - 9774b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mPaddingRight, MeasureSpec.EXACTLY); 9784b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int childheightMeasureSpec = MeasureSpec.makeMeasureSpec(newHeight - mPaddingTop - 9794b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mPaddingBottom, MeasureSpec.EXACTLY); 98031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.measure(childWidthMeasureSpec, childheightMeasureSpec); 98131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 9828c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka setMeasuredDimension(newWidth, newHeight); 98331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 98431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 98531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 98628750fba6a2d141eb9a1e566718c17236030b815Michael Jurka protected void onLayout(boolean changed, int l, int t, int r, int b) { 98731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = getChildCount(); 98831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 9898c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka View child = getChildAt(i); 9904b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung child.layout(mPaddingLeft, mPaddingTop, 9914b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung r - l - mPaddingRight, b - t - mPaddingBottom); 99231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 99331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 99431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 99531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 996dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka protected void onSizeChanged(int w, int h, int oldw, int oldh) { 997dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka super.onSizeChanged(w, h, oldw, oldh); 99818014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundRect.set(0, 0, w, h); 999b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen mForegroundRect.set(mForegroundPadding, mForegroundPadding, 1000b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen w - 2 * mForegroundPadding, h - 2 * mForegroundPadding); 1001dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 1002dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 1003dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka @Override 100431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void setChildrenDrawingCacheEnabled(boolean enabled) { 1005a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.setChildrenDrawingCacheEnabled(enabled); 100631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 100731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 100831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 100931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void setChildrenDrawnWithCacheEnabled(boolean enabled) { 1010a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.setChildrenDrawnWithCacheEnabled(enabled); 101131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 101231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 10135f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public float getBackgroundAlpha() { 10145f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka return mBackgroundAlpha; 1015dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 1016dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 10171b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen public void setBackgroundAlphaMultiplier(float multiplier) { 10181b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen mBackgroundAlphaMultiplier = multiplier; 10191b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen } 10201b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen 1021ddb821981e0919bbd3b4c9a2b6aa1811d6c86bb6Adam Cohen public float getBackgroundAlphaMultiplier() { 1022ddb821981e0919bbd3b4c9a2b6aa1811d6c86bb6Adam Cohen return mBackgroundAlphaMultiplier; 1023ddb821981e0919bbd3b4c9a2b6aa1811d6c86bb6Adam Cohen } 1024ddb821981e0919bbd3b4c9a2b6aa1811d6c86bb6Adam Cohen 10255f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public void setBackgroundAlpha(float alpha) { 1026afaa05014e0bf3ed1192f9ddec2af4283bc50248Michael Jurka if (mBackgroundAlpha != alpha) { 1027afaa05014e0bf3ed1192f9ddec2af4283bc50248Michael Jurka mBackgroundAlpha = alpha; 1028afaa05014e0bf3ed1192f9ddec2af4283bc50248Michael Jurka invalidate(); 1029afaa05014e0bf3ed1192f9ddec2af4283bc50248Michael Jurka } 1030dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 1031dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 1032a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka public void setShortcutAndWidgetAlpha(float alpha) { 10330142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka final int childCount = getChildCount(); 10340142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka for (int i = 0; i < childCount; i++) { 1035dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka getChildAt(i).setAlpha(alpha); 1036dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 1037dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 1038dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 1039a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka public ShortcutAndWidgetContainer getShortcutsAndWidgets() { 1040a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka if (getChildCount() > 0) { 1041a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka return (ShortcutAndWidgetContainer) getChildAt(0); 1042a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka } 1043a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka return null; 1044a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka } 1045a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka 1046440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy public View getChildAt(int x, int y) { 1047a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka return mShortcutsAndWidgets.getChildAt(x, y); 1048440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy } 1049440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy 105076fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen public boolean animateChildToPosition(final View child, int cellX, int cellY, int duration, 1051482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int delay, boolean permanent, boolean adjustOccupied) { 1052a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka ShortcutAndWidgetContainer clc = getShortcutsAndWidgets(); 1053482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean[][] occupied = mOccupied; 1054482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (!permanent) { 1055482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen occupied = mTmpOccupied; 1056482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1057482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1058482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (clc.indexOfChild(child) != -1 && !occupied[cellX][cellY]) { 1059bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen final LayoutParams lp = (LayoutParams) child.getLayoutParams(); 1060bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen final ItemInfo info = (ItemInfo) child.getTag(); 1061bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen 1062bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen // We cancel any existing animations 1063bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen if (mReorderAnimators.containsKey(lp)) { 1064bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen mReorderAnimators.get(lp).cancel(); 1065bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen mReorderAnimators.remove(lp); 1066bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1067bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen 1068482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen final int oldX = lp.x; 1069482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen final int oldY = lp.y; 1070482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (adjustOccupied) { 1071482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen occupied[lp.cellX][lp.cellY] = false; 1072482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen occupied[cellX][cellY] = true; 1073482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1074bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen lp.isLockedToGrid = true; 1075482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (permanent) { 1076482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.cellX = info.cellX = cellX; 1077482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.cellY = info.cellY = cellY; 1078482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } else { 1079482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.tmpCellX = cellX; 1080482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.tmpCellY = cellY; 1081482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1082bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen clc.setupLp(lp); 1083bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen lp.isLockedToGrid = false; 1084482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen final int newX = lp.x; 1085482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen final int newY = lp.y; 1086bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen 108776fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen lp.x = oldX; 108876fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen lp.y = oldY; 108976fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen 1090482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // Exit early if we're not actually moving the view 1091482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (oldX == newX && oldY == newY) { 1092482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.isLockedToGrid = true; 1093482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return true; 1094482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1095482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1096482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen ValueAnimator va = ValueAnimator.ofFloat(0f, 1f); 1097482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen va.setDuration(duration); 1098482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mReorderAnimators.put(lp, va); 1099482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1100482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen va.addUpdateListener(new AnimatorUpdateListener() { 1101482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen @Override 1102bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen public void onAnimationUpdate(ValueAnimator animation) { 1103482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen float r = ((Float) animation.getAnimatedValue()).floatValue(); 11046b8a02d63a5d9cab8209381993e37db6a6afb753Adam Cohen lp.x = (int) (r * newX + (1 - r) * oldX); 11056b8a02d63a5d9cab8209381993e37db6a6afb753Adam Cohen lp.y = (int) (r * newY + (1 - r) * oldY); 11066b8a02d63a5d9cab8209381993e37db6a6afb753Adam Cohen child.requestLayout(); 1107bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1108bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen }); 1109482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen va.addListener(new AnimatorListenerAdapter() { 1110bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen boolean cancelled = false; 1111bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen public void onAnimationEnd(Animator animation) { 1112bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen // If the animation was cancelled, it means that another animation 1113bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen // has interrupted this one, and we don't want to lock the item into 1114bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen // place just yet. 1115bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen if (!cancelled) { 1116bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen lp.isLockedToGrid = true; 1117482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen child.requestLayout(); 1118bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1119bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen if (mReorderAnimators.containsKey(lp)) { 1120bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen mReorderAnimators.remove(lp); 1121bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1122bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1123bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen public void onAnimationCancel(Animator animation) { 1124bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen cancelled = true; 1125bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1126bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen }); 1127482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen va.setStartDelay(delay); 1128482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen va.start(); 1129bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen return true; 1130bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1131bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen return false; 1132bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1133bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen 11346569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 11356569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * Estimate where the top left cell of the dragged item will land if it is dropped. 11366569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * 11376569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param originX The X value of the top left corner of the item 11386569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param originY The Y value of the top left corner of the item 11396569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param spanX The number of horizontal cells that the item spans 11406569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param spanY The number of vertical cells that the item spans 11416569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param result The estimated drop cell X and Y. 11426569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 11436569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy void estimateDropCell(int originX, int originY, int spanX, int spanY, int[] result) { 1144d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int countX = mCountX; 1145d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int countY = mCountY; 11466569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1147a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka // pointToCellRounded takes the top left of a cell but will pad that with 1148a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka // cellWidth/2 and cellHeight/2 when finding the matching cell 1149a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka pointToCellRounded(originX, originY, result); 11506569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 11516569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // If the item isn't fully on this screen, snap to the edges 11526569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy int rightOverhang = result[0] + spanX - countX; 11536569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (rightOverhang > 0) { 11546569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[0] -= rightOverhang; // Snap to right 11556569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 11566569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[0] = Math.max(0, result[0]); // Snap to left 11576569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy int bottomOverhang = result[1] + spanY - countY; 11586569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (bottomOverhang > 0) { 11596569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[1] -= bottomOverhang; // Snap to bottom 11606569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 11616569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[1] = Math.max(0, result[1]); // Snap to top 11626569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 11636569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1164482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen void visualizeDropLocation(View v, Bitmap dragOutline, int originX, int originY, int cellX, 1165482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int cellY, int spanX, int spanY, boolean resize, Point dragOffset, Rect dragRegion) { 116608ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy final int oldDragCellX = mDragCell[0]; 116708ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy final int oldDragCellY = mDragCell[1]; 1168482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1169b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung if (v != null && dragOffset == null) { 1170a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung mDragCenter.set(originX + (v.getWidth() / 2), originY + (v.getHeight() / 2)); 1171a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung } else { 1172a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung mDragCenter.set(originX, originY); 1173a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung } 11746569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 11752801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen if (dragOutline == null && v == null) { 11762801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen if (mCrosshairsDrawable != null) { 11772801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen invalidate(); 11782801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 11792801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen return; 11802801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 11812801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen 1182482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (cellX != oldDragCellX || cellY != oldDragCellY) { 1183482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mDragCell[0] = cellX; 1184482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mDragCell[1] = cellY; 11856569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // Find the top left corner of the rect the object will occupy 1186de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int[] topLeft = mTmpPoint; 1187482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen cellToPoint(cellX, cellY, topLeft); 1188de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 11894be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato int left = topLeft[0]; 11904be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato int top = topLeft[1]; 11916569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1192b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung if (v != null && dragOffset == null) { 119399e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen // When drawing the drag outline, it did not account for margin offsets 119499e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen // added by the view's parent. 119599e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen MarginLayoutParams lp = (MarginLayoutParams) v.getLayoutParams(); 119699e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen left += lp.leftMargin; 119799e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen top += lp.topMargin; 119899e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen 119999e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen // Offsets due to the size difference between the View and the dragOutline. 120099e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen // There is a size difference to account for the outer blur, which may lie 120199e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen // outside the bounds of the view. 1202a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung top += (v.getHeight() - dragOutline.getHeight()) / 2; 1203ae915cecd36af4973061a1cb0b58c5be1be699a0Adam Cohen // We center about the x axis 1204ae915cecd36af4973061a1cb0b58c5be1be699a0Adam Cohen left += ((mCellWidth * spanX) + ((spanX - 1) * mWidthGap) 1205ae915cecd36af4973061a1cb0b58c5be1be699a0Adam Cohen - dragOutline.getWidth()) / 2; 12066639687cd67bab1aeef2a75e5c6bc458b20dc082Adam Cohen } else { 1207b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung if (dragOffset != null && dragRegion != null) { 1208b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung // Center the drag region *horizontally* in the cell and apply a drag 1209b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung // outline offset 1210b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung left += dragOffset.x + ((mCellWidth * spanX) + ((spanX - 1) * mWidthGap) 1211b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung - dragRegion.width()) / 2; 1212b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung top += dragOffset.y; 1213b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung } else { 1214b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung // Center the drag outline in the cell 1215b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung left += ((mCellWidth * spanX) + ((spanX - 1) * mWidthGap) 1216b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung - dragOutline.getWidth()) / 2; 1217b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung top += ((mCellHeight * spanY) + ((spanY - 1) * mHeightGap) 1218b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung - dragOutline.getHeight()) / 2; 1219b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung } 1220a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung } 12214be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int oldIndex = mDragOutlineCurrent; 122208ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[oldIndex].animateOut(); 122308ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineCurrent = (oldIndex + 1) % mDragOutlines.length; 1224d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen Rect r = mDragOutlines[mDragOutlineCurrent]; 1225d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen r.set(left, top, left + dragOutline.getWidth(), top + dragOutline.getHeight()); 1226d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (resize) { 1227482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen cellToRect(cellX, cellY, spanX, spanY, r); 1228d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1229150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 123008ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[mDragOutlineCurrent].setTag(dragOutline); 123108ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[mDragOutlineCurrent].animateIn(); 12326569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 123349250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy 123449250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy // If we are drawing crosshairs, the entire CellLayout needs to be invalidated 123549250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy if (mCrosshairsDrawable != null) { 123649250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy invalidate(); 123749250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy } 12386569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 12396569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1240e0310965022e7a1adb7ad489505d404186608689Adam Cohen public void clearDragOutlines() { 1241e0310965022e7a1adb7ad489505d404186608689Adam Cohen final int oldIndex = mDragOutlineCurrent; 1242e0310965022e7a1adb7ad489505d404186608689Adam Cohen mDragOutlineAnims[oldIndex].animateOut(); 1243d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen mDragCell[0] = mDragCell[1] = -1; 1244e0310965022e7a1adb7ad489505d404186608689Adam Cohen } 1245e0310965022e7a1adb7ad489505d404186608689Adam Cohen 124631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 124770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Find a vacant area that will fit the given bounds nearest the requested 124870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * cell location. Uses Euclidean distance to score multiple vacant areas. 1249aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 125051afc022fa76c79f0d1ece470ddc126c08fea8a4Romain Guy * @param pixelX The X location at which you want to search for a vacant area. 125151afc022fa76c79f0d1ece470ddc126c08fea8a4Romain Guy * @param pixelY The Y location at which you want to search for a vacant area. 125270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @param spanX Horizontal span of the object. 125370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @param spanY Vertical span of the object. 1254de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * @param result Array in which to place the result, or null (in which case a new array will 1255de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * be allocated) 125670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @return The X, Y cell of a vacant area that can contain this object, 125770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * nearest the requested location. 125831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 1259d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen int[] findNearestVacantArea(int pixelX, int pixelY, int spanX, int spanY, 1260d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen int[] result) { 1261de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy return findNearestVacantArea(pixelX, pixelY, spanX, spanY, null, result); 12626a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka } 1263aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 12646a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka /** 12656a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * Find a vacant area that will fit the given bounds nearest the requested 12666a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * cell location. Uses Euclidean distance to score multiple vacant areas. 12676a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * 12686a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param pixelX The X location at which you want to search for a vacant area. 12696a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param pixelY The Y location at which you want to search for a vacant area. 1270d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param minSpanX The minimum horizontal span required 1271d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param minSpanY The minimum vertical span required 1272d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param spanX Horizontal span of the object. 1273d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param spanY Vertical span of the object. 1274d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param result Array in which to place the result, or null (in which case a new array will 1275d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * be allocated) 1276d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @return The X, Y cell of a vacant area that can contain this object, 1277d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * nearest the requested location. 1278d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen */ 1279d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen int[] findNearestVacantArea(int pixelX, int pixelY, int minSpanX, int minSpanY, int spanX, 1280d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen int spanY, int[] result, int[] resultSpan) { 1281d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen return findNearestVacantArea(pixelX, pixelY, minSpanX, minSpanY, spanX, spanY, null, 1282d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen result, resultSpan); 1283d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1284d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen 1285d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen /** 1286d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * Find a vacant area that will fit the given bounds nearest the requested 1287d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * cell location. Uses Euclidean distance to score multiple vacant areas. 1288d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * 1289d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param pixelX The X location at which you want to search for a vacant area. 1290d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param pixelY The Y location at which you want to search for a vacant area. 12916a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param spanX Horizontal span of the object. 12926a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param spanY Vertical span of the object. 1293df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param ignoreOccupied If true, the result can be an occupied cell 1294df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param result Array in which to place the result, or null (in which case a new array will 1295df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * be allocated) 12966a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @return The X, Y cell of a vacant area that can contain this object, 12976a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * nearest the requested location. 12986a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka */ 1299df0353815c629fc678824b07a234b89a1ff94208Adam Cohen int[] findNearestArea(int pixelX, int pixelY, int spanX, int spanY, View ignoreView, 1300df0353815c629fc678824b07a234b89a1ff94208Adam Cohen boolean ignoreOccupied, int[] result) { 1301d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen return findNearestArea(pixelX, pixelY, spanX, spanY, 1302482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen spanX, spanY, ignoreView, ignoreOccupied, result, null, mOccupied); 1303d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1304d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen 1305d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen private final Stack<Rect> mTempRectStack = new Stack<Rect>(); 1306d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen private void lazyInitTempRectStack() { 1307d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (mTempRectStack.isEmpty()) { 1308d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen for (int i = 0; i < mCountX * mCountY; i++) { 1309d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen mTempRectStack.push(new Rect()); 1310d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1311d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1312d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1313482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1314d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen private void recycleTempRects(Stack<Rect> used) { 1315d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen while (!used.isEmpty()) { 1316d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen mTempRectStack.push(used.pop()); 1317d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1318d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1319d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen 1320d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen /** 1321d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * Find a vacant area that will fit the given bounds nearest the requested 1322d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * cell location. Uses Euclidean distance to score multiple vacant areas. 1323d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * 1324d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param pixelX The X location at which you want to search for a vacant area. 1325d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param pixelY The Y location at which you want to search for a vacant area. 1326d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param minSpanX The minimum horizontal span required 1327d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param minSpanY The minimum vertical span required 1328d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param spanX Horizontal span of the object. 1329d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param spanY Vertical span of the object. 1330d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param ignoreOccupied If true, the result can be an occupied cell 1331d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param result Array in which to place the result, or null (in which case a new array will 1332d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * be allocated) 1333d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @return The X, Y cell of a vacant area that can contain this object, 1334d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * nearest the requested location. 1335d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen */ 1336d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen int[] findNearestArea(int pixelX, int pixelY, int minSpanX, int minSpanY, int spanX, int spanY, 1337482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen View ignoreView, boolean ignoreOccupied, int[] result, int[] resultSpan, 1338482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean[][] occupied) { 1339d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen lazyInitTempRectStack(); 1340c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // mark space take by ignoreView as available (method checks if ignoreView is null) 1341482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsAsUnoccupiedForView(ignoreView, occupied); 1342c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka 1343e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen // For items with a spanX / spanY > 1, the passed in point (pixelX, pixelY) corresponds 1344e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen // to the center of the item, but we are searching based on the top-left cell, so 1345e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen // we translate the point over to correspond to the top-left. 1346e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen pixelX -= (mCellWidth + mWidthGap) * (spanX - 1) / 2f; 1347e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen pixelY -= (mCellHeight + mHeightGap) * (spanY - 1) / 2f; 1348e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen 134970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Keep track of best-scoring drop area 1350de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int[] bestXY = result != null ? result : new int[2]; 135170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey double bestDistance = Double.MAX_VALUE; 1352d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen final Rect bestRect = new Rect(-1, -1, -1, -1); 1353d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen final Stack<Rect> validRegions = new Stack<Rect>(); 1354aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1355de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countX = mCountX; 1356de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countY = mCountY; 1357de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 1358d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (minSpanX <= 0 || minSpanY <= 0 || spanX <= 0 || spanY <= 0 || 1359d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen spanX < minSpanX || spanY < minSpanY) { 1360d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen return bestXY; 1361d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1362d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen 1363d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen for (int y = 0; y < countY - (minSpanY - 1); y++) { 1364c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka inner: 1365d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen for (int x = 0; x < countX - (minSpanX - 1); x++) { 1366d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen int ySize = -1; 1367d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen int xSize = -1; 1368df0353815c629fc678824b07a234b89a1ff94208Adam Cohen if (ignoreOccupied) { 1369d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen // First, let's see if this thing fits anywhere 1370d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen for (int i = 0; i < minSpanX; i++) { 1371d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen for (int j = 0; j < minSpanY; j++) { 1372df0353815c629fc678824b07a234b89a1ff94208Adam Cohen if (occupied[x + i][y + j]) { 1373df0353815c629fc678824b07a234b89a1ff94208Adam Cohen continue inner; 1374df0353815c629fc678824b07a234b89a1ff94208Adam Cohen } 1375c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 1376c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 1377d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen xSize = minSpanX; 1378d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen ySize = minSpanY; 1379d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen 1380d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen // We know that the item will fit at _some_ acceptable size, now let's see 1381d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen // how big we can make it. We'll alternate between incrementing x and y spans 1382d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen // until we hit a limit. 1383d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen boolean incX = true; 1384d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen boolean hitMaxX = xSize >= spanX; 1385d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen boolean hitMaxY = ySize >= spanY; 1386d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen while (!(hitMaxX && hitMaxY)) { 1387d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (incX && !hitMaxX) { 1388d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen for (int j = 0; j < ySize; j++) { 1389d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (x + xSize > countX -1 || occupied[x + xSize][y + j]) { 1390d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen // We can't move out horizontally 1391d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen hitMaxX = true; 1392d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1393d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1394d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (!hitMaxX) { 1395d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen xSize++; 1396d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1397d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } else if (!hitMaxY) { 1398d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen for (int i = 0; i < xSize; i++) { 1399d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (y + ySize > countY - 1 || occupied[x + i][y + ySize]) { 1400d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen // We can't move out vertically 1401d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen hitMaxY = true; 1402d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1403d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1404d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (!hitMaxY) { 1405d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen ySize++; 1406d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1407d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1408d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen hitMaxX |= xSize >= spanX; 1409d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen hitMaxY |= ySize >= spanY; 1410d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen incX = !incX; 1411d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1412d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen incX = true; 1413d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen hitMaxX = xSize >= spanX; 1414d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen hitMaxY = ySize >= spanY; 1415c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 14160be025d64c1f84138fe430a58875886e66aae767Winson Chung final int[] cellXY = mTmpXY; 1417e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen cellToCenterPoint(x, y, cellXY); 1418c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka 1419d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen // We verify that the current rect is not a sub-rect of any of our previous 1420d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen // candidates. In this case, the current rect is disqualified in favour of the 1421d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen // containing rect. 1422d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen Rect currentRect = mTempRectStack.pop(); 1423d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen currentRect.set(x, y, x + xSize, y + ySize); 1424d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen boolean contained = false; 1425d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen for (Rect r : validRegions) { 1426d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (r.contains(currentRect)) { 1427d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen contained = true; 1428d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen break; 1429d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1430d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1431d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen validRegions.push(currentRect); 1432c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka double distance = Math.sqrt(Math.pow(cellXY[0] - pixelX, 2) 1433c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka + Math.pow(cellXY[1] - pixelY, 2)); 1434482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1435d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if ((distance <= bestDistance && !contained) || 1436d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen currentRect.contains(bestRect)) { 1437c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestDistance = distance; 1438c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestXY[0] = x; 1439c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestXY[1] = y; 1440d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (resultSpan != null) { 1441d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen resultSpan[0] = xSize; 1442d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen resultSpan[1] = ySize; 1443d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1444d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen bestRect.set(currentRect); 1445c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 144631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 144731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1448c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // re-mark space taken by ignoreView as occupied 1449482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsAsOccupiedForView(ignoreView, occupied); 145031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1451c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen // Return -1, -1 if no suitable location found 1452c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen if (bestDistance == Double.MAX_VALUE) { 1453c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen bestXY[0] = -1; 1454c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen bestXY[1] = -1; 145570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 1456d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen recycleTempRects(validRegions); 1457c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen return bestXY; 145831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1459aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1460482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen /** 1461482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * Find a vacant area that will fit the given bounds nearest the requested 1462482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * cell location, and will also weigh in a suggested direction vector of the 1463482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * desired location. This method computers distance based on unit grid distances, 1464482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * not pixel distances. 1465482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * 146647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * @param cellX The X cell nearest to which you want to search for a vacant area. 146747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * @param cellY The Y cell nearest which you want to search for a vacant area. 1468482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * @param spanX Horizontal span of the object. 1469482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * @param spanY Vertical span of the object. 147047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * @param direction The favored direction in which the views should move from x, y 147147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * @param exactDirectionOnly If this parameter is true, then only solutions where the direction 147247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * matches exactly. Otherwise we find the best matching direction. 147347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * @param occoupied The array which represents which cells in the CellLayout are occupied 147447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * @param blockOccupied The array which represents which cells in the specified block (cellX, 147547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * cellY, spanX, spanY) are occupied. This is used when try to move a group of views. 1476482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * @param result Array in which to place the result, or null (in which case a new array will 1477482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * be allocated) 1478482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * @return The X, Y cell of a vacant area that can contain this object, 1479482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * nearest the requested location. 1480482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen */ 1481482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private int[] findNearestArea(int cellX, int cellY, int spanX, int spanY, int[] direction, 148247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen boolean[][] occupied, boolean blockOccupied[][], int[] result) { 1483482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // Keep track of best-scoring drop area 1484482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen final int[] bestXY = result != null ? result : new int[2]; 1485482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen float bestDistance = Float.MAX_VALUE; 1486482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int bestDirectionScore = Integer.MIN_VALUE; 1487482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1488482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen final int countX = mCountX; 1489482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen final int countY = mCountY; 1490482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1491482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int y = 0; y < countY - (spanY - 1); y++) { 1492482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen inner: 1493482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int x = 0; x < countX - (spanX - 1); x++) { 1494482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // First, let's see if this thing fits anywhere 1495482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < spanX; i++) { 1496482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int j = 0; j < spanY; j++) { 149747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if (occupied[x + i][y + j] && (blockOccupied == null || blockOccupied[i][j])) { 1498482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen continue inner; 1499482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1500482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1501482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1502482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1503482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen float distance = (float) 1504482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen Math.sqrt((x - cellX) * (x - cellX) + (y - cellY) * (y - cellY)); 1505482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int[] curDirection = mTmpPoint; 150647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen computeDirectionVector(x - cellX, y - cellY, curDirection); 150747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen // The direction score is just the dot product of the two candidate direction 150847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen // and that passed in. 1509482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int curDirectionScore = direction[0] * curDirection[0] + 1510482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen direction[1] * curDirection[1]; 151147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen boolean exactDirectionOnly = false; 151247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen boolean directionMatches = direction[0] == curDirection[0] && 151347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen direction[0] == curDirection[0]; 151447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if ((directionMatches || !exactDirectionOnly) && 151547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen Float.compare(distance, bestDistance) < 0 || (Float.compare(distance, 1516482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen bestDistance) == 0 && curDirectionScore > bestDirectionScore)) { 1517482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen bestDistance = distance; 1518482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen bestDirectionScore = curDirectionScore; 1519482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen bestXY[0] = x; 1520482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen bestXY[1] = y; 1521482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1522482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1523482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1524482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1525482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // Return -1, -1 if no suitable location found 1526482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (bestDistance == Float.MAX_VALUE) { 1527482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen bestXY[0] = -1; 1528482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen bestXY[1] = -1; 1529482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1530482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return bestXY; 1531482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1532482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 153347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen private int[] findNearestAreaInDirection(int cellX, int cellY, int spanX, int spanY, 153447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen int[] direction,boolean[][] occupied, 153547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen boolean blockOccupied[][], int[] result) { 153647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen // Keep track of best-scoring drop area 153747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen final int[] bestXY = result != null ? result : new int[2]; 153847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen bestXY[0] = -1; 153947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen bestXY[1] = -1; 154047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen float bestDistance = Float.MAX_VALUE; 154147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 154247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen // We use this to march in a single direction 154347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if (direction[0] != 0 && direction[1] != 0) { 154447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen return bestXY; 154547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 154647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 154747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen // This will only incrememnet one of x or y based on the assertion above 154847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen int x = cellX + direction[0]; 154947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen int y = cellY + direction[1]; 155047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen while (x >= 0 && x + spanX <= mCountX && y >= 0 && y + spanY <= mCountY) { 155147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 155247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen boolean fail = false; 155347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen for (int i = 0; i < spanX; i++) { 155447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen for (int j = 0; j < spanY; j++) { 155547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if (occupied[x + i][y + j] && (blockOccupied == null || blockOccupied[i][j])) { 155647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen fail = true; 155747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 155847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 155947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 156047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if (!fail) { 156147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen float distance = (float) 156247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen Math.sqrt((x - cellX) * (x - cellX) + (y - cellY) * (y - cellY)); 156347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if (Float.compare(distance, bestDistance) < 0) { 156447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen bestDistance = distance; 156547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen bestXY[0] = x; 156647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen bestXY[1] = y; 156747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 156847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 156947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen x += direction[0]; 157047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen y += direction[1]; 157147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 157247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen return bestXY; 157347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 157447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 1575482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private boolean addViewToTempLocation(View v, Rect rectOccupiedByPotentialDrop, 15768baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen int[] direction, ItemConfiguration currentState) { 15778baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen CellAndSpan c = currentState.map.get(v); 1578482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean success = false; 15798baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen markCellsForView(c.x, c.y, c.spanX, c.spanY, mTmpOccupied, false); 1580482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForRect(rectOccupiedByPotentialDrop, mTmpOccupied, true); 1581482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 15828baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen findNearestArea(c.x, c.y, c.spanX, c.spanY, direction, mTmpOccupied, null, mTempLocation); 1583482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1584482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (mTempLocation[0] >= 0 && mTempLocation[1] >= 0) { 15858baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen c.x = mTempLocation[0]; 15868baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen c.y = mTempLocation[1]; 1587482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen success = true; 1588482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1589482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 15908baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen markCellsForView(c.x, c.y, c.spanX, c.spanY, mTmpOccupied, true); 1591482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return success; 1592482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1593482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 159447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen // This method looks in the specified direction to see if there is an additional view 159547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen // immediately adjecent in that direction 159647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen private boolean addViewInDirection(ArrayList<View> views, Rect boundingRect, int[] direction, 15978baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen boolean[][] occupied, ItemConfiguration currentState) { 159847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen boolean found = false; 159947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 1600a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka int childCount = mShortcutsAndWidgets.getChildCount(); 160147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen Rect r0 = new Rect(boundingRect); 160247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen Rect r1 = new Rect(); 160347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 160447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen int deltaX = 0; 160547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen int deltaY = 0; 160647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if (direction[1] < 0) { 160747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen r0.set(r0.left, r0.top - 1, r0.right, r0.bottom); 160847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen deltaY = -1; 160947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } else if (direction[1] > 0) { 161047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen r0.set(r0.left, r0.top, r0.right, r0.bottom + 1); 161147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen deltaY = 1; 161247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } else if (direction[0] < 0) { 161347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen r0.set(r0.left - 1, r0.top, r0.right, r0.bottom); 161447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen deltaX = -1; 161547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } else if (direction[0] > 0) { 161647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen r0.set(r0.left, r0.top, r0.right + 1, r0.bottom); 161747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen deltaX = 1; 161847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 161947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 162047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen for (int i = 0; i < childCount; i++) { 1621a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka View child = mShortcutsAndWidgets.getChildAt(i); 162247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if (views.contains(child)) continue; 16238baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen CellAndSpan c = currentState.map.get(child); 162447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 16258baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen LayoutParams lp = (LayoutParams) child.getLayoutParams(); 16268baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen r1.set(c.x, c.y, c.x + c.spanX, c.y + c.spanY); 162747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if (Rect.intersects(r0, r1)) { 162847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if (!lp.canReorder) { 162947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen return false; 163047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 163147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen boolean pushed = false; 16328baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen for (int x = c.x; x < c.x + c.spanX; x++) { 16338baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen for (int y = c.y; y < c.y + c.spanY; y++) { 163447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen boolean inBounds = x - deltaX >= 0 && x -deltaX < mCountX 163547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen && y - deltaY >= 0 && y - deltaY < mCountY; 163647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if (inBounds && occupied[x - deltaX][y - deltaY]) { 163747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen pushed = true; 163847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 163947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 164047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 164147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if (pushed) { 164247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen views.add(child); 16438baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen boundingRect.union(c.x, c.y, c.x + c.spanX, c.y + c.spanY); 164447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen found = true; 164547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 164647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 164747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 164847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen return found; 164947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 165047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 16518baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen private boolean addViewsToTempLocation(ArrayList<View> views, Rect rectOccupiedByPotentialDrop, 16528baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen int[] direction, boolean push, ItemConfiguration currentState) { 165347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if (views.size() == 0) return true; 165447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 165547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen boolean success = false; 165647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen Rect boundingRect = null; 16578baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // We construct a rect which represents the entire group of views passed in 165847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen for (View v: views) { 16598baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen CellAndSpan c = currentState.map.get(v); 166047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if (boundingRect == null) { 16618baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen boundingRect = new Rect(c.x, c.y, c.x + c.spanX, c.y + c.spanY); 166247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } else { 16638baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen boundingRect.union(c.x, c.y, c.x + c.spanX, c.y + c.spanY); 166447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 166547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 166647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 16678baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen @SuppressWarnings("unchecked") 166847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen ArrayList<View> dup = (ArrayList<View>) views.clone(); 16698baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // We try and expand the group of views in the direction vector passed, based on 16708baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // whether they are physically adjacent, ie. based on "push mechanics". 16718baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen while (push && addViewInDirection(dup, boundingRect, direction, mTmpOccupied, 16728baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen currentState)) { 167347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 16748baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen 16758baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // Mark the occupied state as false for the group of views we want to move. 167647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen for (View v: dup) { 16778baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen CellAndSpan c = currentState.map.get(v); 16788baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen markCellsForView(c.x, c.y, c.spanX, c.spanY, mTmpOccupied, false); 167947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 168047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 168147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen boolean[][] blockOccupied = new boolean[boundingRect.width()][boundingRect.height()]; 168247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen int top = boundingRect.top; 168347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen int left = boundingRect.left; 16848baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // We mark more precisely which parts of the bounding rect are truly occupied, allowing 16858baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // for tetris-style interlocking. 168647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen for (View v: dup) { 16878baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen CellAndSpan c = currentState.map.get(v); 16888baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen markCellsForView(c.x - left, c.y - top, c.spanX, c.spanY, blockOccupied, true); 168947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 169047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 169147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen markCellsForRect(rectOccupiedByPotentialDrop, mTmpOccupied, true); 169247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 16938baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen if (push) { 16948baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen findNearestAreaInDirection(boundingRect.left, boundingRect.top, boundingRect.width(), 16958baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen boundingRect.height(), direction, mTmpOccupied, blockOccupied, mTempLocation); 16968baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen } else { 16978baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen findNearestArea(boundingRect.left, boundingRect.top, boundingRect.width(), 16988baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen boundingRect.height(), direction, mTmpOccupied, blockOccupied, mTempLocation); 16998baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen } 170047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 17018baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // If we successfuly found a location by pushing the block of views, we commit it 170247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if (mTempLocation[0] >= 0 && mTempLocation[1] >= 0) { 17038baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen int deltaX = mTempLocation[0] - boundingRect.left; 17048baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen int deltaY = mTempLocation[1] - boundingRect.top; 170547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen for (View v: dup) { 17068baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen CellAndSpan c = currentState.map.get(v); 17078baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen c.x += deltaX; 17088baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen c.y += deltaY; 170947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 171047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen success = true; 171147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 1712482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 17138baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // In either case, we set the occupied array as marked for the location of the views 17148baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen for (View v: dup) { 17158baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen CellAndSpan c = currentState.map.get(v); 17168baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen markCellsForView(c.x, c.y, c.spanX, c.spanY, mTmpOccupied, true); 1717482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1718482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return success; 1719482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1720482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1721482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private void markCellsForRect(Rect r, boolean[][] occupied, boolean value) { 1722482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForView(r.left, r.top, r.width(), r.height(), occupied, value); 1723482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1724482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1725482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private boolean rearrangementExists(int cellX, int cellY, int spanX, int spanY, int[] direction, 17268baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen View ignoreView, ItemConfiguration solution) { 1727482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 17288baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen mIntersectingViews.clear(); 1729482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mOccupiedRect.set(cellX, cellY, cellX + spanX, cellY + spanY); 1730482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 17318baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // Mark the desired location of the view currently being dragged. 1732482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (ignoreView != null) { 17338baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen CellAndSpan c = solution.map.get(ignoreView); 17348baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen c.x = cellX; 17358baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen c.y = cellY; 1736482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1737482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 17388baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen //int childCount = mChildren.getChildCount(); 1739482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen Rect r0 = new Rect(cellX, cellY, cellX + spanX, cellY + spanY); 1740482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen Rect r1 = new Rect(); 17418baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen for (View child: solution.map.keySet()) { 1742482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (child == ignoreView) continue; 17438baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen CellAndSpan c = solution.map.get(child); 1744482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen LayoutParams lp = (LayoutParams) child.getLayoutParams(); 17458baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen r1.set(c.x, c.y, c.x + c.spanX, c.y + c.spanY); 1746482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (Rect.intersects(r0, r1)) { 1747482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (!lp.canReorder) { 1748482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return false; 1749482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1750482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mIntersectingViews.add(child); 1751482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1752482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 175347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 17548baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // We try to move the intersecting views as a block using the push mechanic 17558baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen if (addViewsToTempLocation(mIntersectingViews, mOccupiedRect, direction, true, solution)) { 175647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen return true; 175747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 175847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen // Try the opposite direction 175947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen direction[0] *= -1; 176047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen direction[1] *= -1; 17618baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen if (addViewsToTempLocation(mIntersectingViews, mOccupiedRect, direction, true, solution)) { 176247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen return true; 176347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 176447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen // Switch the direction back 176547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen direction[0] *= -1; 176647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen direction[1] *= -1; 176747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 17688baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // Next we try moving the views as a block , but without requiring the push mechanic 17698baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen if (addViewsToTempLocation(mIntersectingViews, mOccupiedRect, direction, false, solution)) { 1770482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return true; 1771482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 177247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 1773482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // Ok, they couldn't move as a block, let's move them individually 1774482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (View v : mIntersectingViews) { 17758baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen if (!addViewToTempLocation(v, mOccupiedRect, direction, solution)) { 1776482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return false; 1777482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1778482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1779482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return true; 1780482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1781482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1782482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen /* 1783482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * Returns a pair (x, y), where x,y are in {-1, 0, 1} corresponding to vector between 1784482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * the provided point and the provided cell 1785482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen */ 178647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen private void computeDirectionVector(float deltaX, float deltaY, int[] result) { 1787482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen double angle = Math.atan(((float) deltaY) / deltaX); 1788482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1789482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result[0] = 0; 1790482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result[1] = 0; 1791482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (Math.abs(Math.cos(angle)) > 0.5f) { 1792482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result[0] = (int) Math.signum(deltaX); 1793482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1794482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (Math.abs(Math.sin(angle)) > 0.5f) { 1795482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result[1] = (int) Math.signum(deltaY); 1796482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1797482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1798482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 17998baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen private void copyOccupiedArray(boolean[][] occupied) { 18008baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen for (int i = 0; i < mCountX; i++) { 18018baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen for (int j = 0; j < mCountY; j++) { 18028baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen occupied[i][j] = mOccupied[i][j]; 18038baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen } 18048baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen } 18058baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen } 18068baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen 1807482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen ItemConfiguration simpleSwap(int pixelX, int pixelY, int minSpanX, int minSpanY, int spanX, 1808482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int spanY, int[] direction, View dragView, boolean decX, ItemConfiguration solution) { 18098baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // Copy the current state into the solution. This solution will be manipulated as necessary. 18108baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen copyCurrentStateToSolution(solution, false); 18118baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // Copy the current occupied array into the temporary occupied array. This array will be 18128baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // manipulated as necessary to find a solution. 18138baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen copyOccupiedArray(mTmpOccupied); 1814482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1815482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // We find the nearest cell into which we would place the dragged item, assuming there's 1816482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // nothing in its way. 1817482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int result[] = new int[2]; 1818482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result = findNearestArea(pixelX, pixelY, spanX, spanY, result); 1819482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1820482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean success = false; 1821482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // First we try the exact nearest position of the item being dragged, 1822482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // we will then want to try to move this around to other neighbouring positions 18238baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen success = rearrangementExists(result[0], result[1], spanX, spanY, direction, dragView, 18248baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen solution); 1825482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1826482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (!success) { 1827482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // We try shrinking the widget down to size in an alternating pattern, shrink 1 in 1828482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // x, then 1 in y etc. 1829482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (spanX > minSpanX && (minSpanY == spanY || decX)) { 1830482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return simpleSwap(pixelX, pixelY, minSpanX, minSpanY, spanX - 1, spanY, direction, 1831482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen dragView, false, solution); 1832482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } else if (spanY > minSpanY) { 1833482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return simpleSwap(pixelX, pixelY, minSpanX, minSpanY, spanX, spanY - 1, direction, 1834482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen dragView, true, solution); 1835482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1836482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.isSolution = false; 1837482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } else { 1838482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.isSolution = true; 1839482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewX = result[0]; 1840482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewY = result[1]; 1841482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewSpanX = spanX; 1842482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewSpanY = spanY; 1843482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1844482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return solution; 1845482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1846482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1847482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private void copyCurrentStateToSolution(ItemConfiguration solution, boolean temp) { 1848a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka int childCount = mShortcutsAndWidgets.getChildCount(); 1849482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < childCount; i++) { 1850a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka View child = mShortcutsAndWidgets.getChildAt(i); 1851482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen LayoutParams lp = (LayoutParams) child.getLayoutParams(); 18528baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen CellAndSpan c; 1853482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (temp) { 18548baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen c = new CellAndSpan(lp.tmpCellX, lp.tmpCellY, lp.cellHSpan, lp.cellVSpan); 1855482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } else { 18568baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen c = new CellAndSpan(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan); 1857482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 18588baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen solution.map.put(child, c); 1859482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1860482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1861482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1862482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private void copySolutionToTempState(ItemConfiguration solution, View dragView) { 1863482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < mCountX; i++) { 1864482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int j = 0; j < mCountY; j++) { 1865482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mTmpOccupied[i][j] = false; 1866482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1867482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1868482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1869a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka int childCount = mShortcutsAndWidgets.getChildCount(); 1870482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < childCount; i++) { 1871a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka View child = mShortcutsAndWidgets.getChildAt(i); 1872482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (child == dragView) continue; 1873482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen LayoutParams lp = (LayoutParams) child.getLayoutParams(); 18748baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen CellAndSpan c = solution.map.get(child); 18758baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen if (c != null) { 18768baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen lp.tmpCellX = c.x; 18778baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen lp.tmpCellY = c.y; 18788baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen lp.cellHSpan = c.spanX; 18798baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen lp.cellVSpan = c.spanY; 18808baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen markCellsForView(c.x, c.y, c.spanX, c.spanY, mTmpOccupied, true); 1881482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1882482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1883482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForView(solution.dragViewX, solution.dragViewY, solution.dragViewSpanX, 1884482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewSpanY, mTmpOccupied, true); 1885482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1886482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1887482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private void animateItemsToSolution(ItemConfiguration solution, View dragView, boolean 1888482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen commitDragView) { 1889482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1890482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean[][] occupied = DESTRUCTIVE_REORDER ? mOccupied : mTmpOccupied; 1891482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < mCountX; i++) { 1892482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int j = 0; j < mCountY; j++) { 1893482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen occupied[i][j] = false; 1894482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1895482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1896482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1897a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka int childCount = mShortcutsAndWidgets.getChildCount(); 1898482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < childCount; i++) { 1899a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka View child = mShortcutsAndWidgets.getChildAt(i); 1900482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (child == dragView) continue; 1901482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen LayoutParams lp = (LayoutParams) child.getLayoutParams(); 19028baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen CellAndSpan c = solution.map.get(child); 19038baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen if (c != null) { 19048baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen if (lp.cellX != c.x || lp.cellY != c.y) { 19058baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen animateChildToPosition(child, c.x, c.y, 150, 0, DESTRUCTIVE_REORDER, false); 1906482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 19078baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen markCellsForView(c.x, c.y, c.spanX, c.spanY, occupied, true); 1908482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1909482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1910482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (commitDragView) { 1911482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForView(solution.dragViewX, solution.dragViewY, solution.dragViewSpanX, 1912482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewSpanY, occupied, true); 1913482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1914482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1915482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1916482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private void commitTempPlacement() { 1917482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < mCountX; i++) { 1918482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int j = 0; j < mCountY; j++) { 1919482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mOccupied[i][j] = mTmpOccupied[i][j]; 1920482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1921482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1922a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka int childCount = mShortcutsAndWidgets.getChildCount(); 1923482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < childCount; i++) { 1924a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka LayoutParams lp = (LayoutParams) mShortcutsAndWidgets.getChildAt(i).getLayoutParams(); 1925482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.cellX = lp.tmpCellX; 1926482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.cellY = lp.tmpCellY; 1927482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1928482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1929482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1930482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public void setUseTempCoords(boolean useTempCoords) { 1931a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka int childCount = mShortcutsAndWidgets.getChildCount(); 1932482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < childCount; i++) { 1933a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka LayoutParams lp = (LayoutParams) mShortcutsAndWidgets.getChildAt(i).getLayoutParams(); 1934482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.useTmpCoords = useTempCoords; 1935482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1936482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1937482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1938482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen ItemConfiguration findConfigurationNoShuffle(int pixelX, int pixelY, int minSpanX, int minSpanY, 1939482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int spanX, int spanY, View dragView, ItemConfiguration solution) { 1940482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int[] result = new int[2]; 1941482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int[] resultSpan = new int[2]; 1942482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen findNearestVacantArea(pixelX, pixelY, minSpanX, minSpanY, spanX, spanY, null, result, 1943482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen resultSpan); 1944482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (result[0] >= 0 && result[1] >= 0) { 1945482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen copyCurrentStateToSolution(solution, false); 1946482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewX = result[0]; 1947482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewY = result[1]; 1948482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewSpanX = resultSpan[0]; 1949482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewSpanY = resultSpan[1]; 1950482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.isSolution = true; 1951482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } else { 1952482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.isSolution = false; 1953482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1954482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return solution; 1955482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1956482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1957482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public void prepareChildForDrag(View child) { 1958482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsAsUnoccupiedForView(child); 1959482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1960482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1961482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int[] createArea(int pixelX, int pixelY, int minSpanX, int minSpanY, int spanX, int spanY, 1962482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen View dragView, int[] result, int resultSpan[], int mode) { 1963482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1964482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // First we determine if things have moved enough to cause a different layout 196547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen result = findNearestArea(pixelX, pixelY, spanX, spanY, result); 1966482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1967482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (resultSpan == null) { 1968482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen resultSpan = new int[2]; 1969482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1970482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1971482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // We attempt the first algorithm 197247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen regionToCenterPoint(result[0], result[1], spanX, spanY, mTmpPoint); 197347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen computeDirectionVector((mTmpPoint[0] - pixelX) / spanX, (mTmpPoint[1] - pixelY) / spanY, 197447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen mDirectionVector); 1975482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen ItemConfiguration swapSolution = simpleSwap(pixelX, pixelY, minSpanX, minSpanY, 1976482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen spanX, spanY, mDirectionVector, dragView, true, new ItemConfiguration()); 1977482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1978482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // We attempt the approach which doesn't shuffle views at all 1979482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen ItemConfiguration noShuffleSolution = findConfigurationNoShuffle(pixelX, pixelY, minSpanX, 1980482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen minSpanY, spanX, spanY, dragView, new ItemConfiguration()); 1981482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1982482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen ItemConfiguration finalSolution = null; 1983482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (swapSolution.isSolution && swapSolution.area() >= noShuffleSolution.area()) { 1984482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen finalSolution = swapSolution; 1985482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } else if (noShuffleSolution.isSolution) { 1986482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen finalSolution = noShuffleSolution; 1987482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1988482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1989482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean foundSolution = true; 1990482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (!DESTRUCTIVE_REORDER) { 1991482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen setUseTempCoords(true); 1992482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1993482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1994482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (finalSolution != null) { 1995482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result[0] = finalSolution.dragViewX; 1996482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result[1] = finalSolution.dragViewY; 1997482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen resultSpan[0] = finalSolution.dragViewSpanX; 1998482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen resultSpan[1] = finalSolution.dragViewSpanY; 1999482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2000482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // If we're just testing for a possible location (MODE_ACCEPT_DROP), we don't bother 2001482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // committing anything or animating anything as we just want to determine if a solution 2002482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // exists 2003482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (mode == MODE_DRAG_OVER || mode == MODE_ON_DROP || mode == MODE_ON_DROP_EXTERNAL) { 2004482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (!DESTRUCTIVE_REORDER) { 2005482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen copySolutionToTempState(finalSolution, dragView); 2006482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2007482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen setItemPlacementDirty(true); 2008482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen animateItemsToSolution(finalSolution, dragView, mode == MODE_ON_DROP); 2009482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2010482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (!DESTRUCTIVE_REORDER && mode == MODE_ON_DROP) { 2011482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen commitTempPlacement(); 2012482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2013482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2014482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } else { 2015482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen foundSolution = false; 2016482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result[0] = result[1] = resultSpan[0] = resultSpan[1] = -1; 2017482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2018482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2019482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if ((mode == MODE_ON_DROP || !foundSolution) && !DESTRUCTIVE_REORDER) { 2020482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen setUseTempCoords(false); 2021482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2022482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2023a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.requestLayout(); 2024482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return result; 2025482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2026482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2027482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public boolean isItemPlacementDirty() { 2028482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return mItemLocationsDirty; 2029482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2030482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2031482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public void setItemPlacementDirty(boolean dirty) { 2032482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mItemLocationsDirty = dirty; 2033482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2034482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2035482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private class ItemConfiguration { 20368baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen HashMap<View, CellAndSpan> map = new HashMap<View, CellAndSpan>(); 2037482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean isSolution = false; 2038482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int dragViewX, dragViewY, dragViewSpanX, dragViewSpanY; 2039482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2040482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int area() { 2041482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return dragViewSpanX * dragViewSpanY; 2042482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 20438baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen } 20448baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen 20458baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen private class CellAndSpan { 20468baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen int x, y; 20478baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen int spanX, spanY; 20488baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen 20498baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen public CellAndSpan(int x, int y, int spanX, int spanY) { 20508baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen this.x = x; 20518baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen this.y = y; 20528baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen this.spanX = spanX; 20538baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen this.spanY = spanY; 2054482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2055482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2056482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2057df0353815c629fc678824b07a234b89a1ff94208Adam Cohen /** 2058df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * Find a vacant area that will fit the given bounds nearest the requested 2059df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * cell location. Uses Euclidean distance to score multiple vacant areas. 2060df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * 2061df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param pixelX The X location at which you want to search for a vacant area. 2062df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param pixelY The Y location at which you want to search for a vacant area. 2063df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param spanX Horizontal span of the object. 2064df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param spanY Vertical span of the object. 2065df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param ignoreView Considers space occupied by this view as unoccupied 2066df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param result Previously returned value to possibly recycle. 2067df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @return The X, Y cell of a vacant area that can contain this object, 2068df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * nearest the requested location. 2069df0353815c629fc678824b07a234b89a1ff94208Adam Cohen */ 2070df0353815c629fc678824b07a234b89a1ff94208Adam Cohen int[] findNearestVacantArea( 2071df0353815c629fc678824b07a234b89a1ff94208Adam Cohen int pixelX, int pixelY, int spanX, int spanY, View ignoreView, int[] result) { 2072df0353815c629fc678824b07a234b89a1ff94208Adam Cohen return findNearestArea(pixelX, pixelY, spanX, spanY, ignoreView, true, result); 2073df0353815c629fc678824b07a234b89a1ff94208Adam Cohen } 2074df0353815c629fc678824b07a234b89a1ff94208Adam Cohen 2075df0353815c629fc678824b07a234b89a1ff94208Adam Cohen /** 2076d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * Find a vacant area that will fit the given bounds nearest the requested 2077d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * cell location. Uses Euclidean distance to score multiple vacant areas. 2078d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * 2079d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param pixelX The X location at which you want to search for a vacant area. 2080d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param pixelY The Y location at which you want to search for a vacant area. 2081d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param minSpanX The minimum horizontal span required 2082d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param minSpanY The minimum vertical span required 2083d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param spanX Horizontal span of the object. 2084d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param spanY Vertical span of the object. 2085d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param ignoreView Considers space occupied by this view as unoccupied 2086d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param result Previously returned value to possibly recycle. 2087d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @return The X, Y cell of a vacant area that can contain this object, 2088d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * nearest the requested location. 2089d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen */ 2090d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen int[] findNearestVacantArea(int pixelX, int pixelY, int minSpanX, int minSpanY, 2091d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen int spanX, int spanY, View ignoreView, int[] result, int[] resultSpan) { 2092482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return findNearestArea(pixelX, pixelY, minSpanX, minSpanY, spanX, spanY, ignoreView, true, 2093482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result, resultSpan, mOccupied); 2094d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 2095d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen 2096d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen /** 2097df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * Find a starting cell position that will fit the given bounds nearest the requested 2098df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * cell location. Uses Euclidean distance to score multiple vacant areas. 2099df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * 2100df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param pixelX The X location at which you want to search for a vacant area. 2101df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param pixelY The Y location at which you want to search for a vacant area. 2102df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param spanX Horizontal span of the object. 2103df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param spanY Vertical span of the object. 2104df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param ignoreView Considers space occupied by this view as unoccupied 2105df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param result Previously returned value to possibly recycle. 2106df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @return The X, Y cell of a vacant area that can contain this object, 2107df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * nearest the requested location. 2108df0353815c629fc678824b07a234b89a1ff94208Adam Cohen */ 2109df0353815c629fc678824b07a234b89a1ff94208Adam Cohen int[] findNearestArea( 2110df0353815c629fc678824b07a234b89a1ff94208Adam Cohen int pixelX, int pixelY, int spanX, int spanY, int[] result) { 2111df0353815c629fc678824b07a234b89a1ff94208Adam Cohen return findNearestArea(pixelX, pixelY, spanX, spanY, null, false, result); 2112df0353815c629fc678824b07a234b89a1ff94208Adam Cohen } 2113df0353815c629fc678824b07a234b89a1ff94208Adam Cohen 21140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean existsEmptyCell() { 21150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpan(null, 1, 1); 21160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 21170280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 21180280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 21190280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Finds the upper-left coordinate of the first rectangle in the grid that can 21200280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * hold a cell of the specified dimensions. If intersectX and intersectY are not -1, 21210280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * then this method will only return coordinates for rectangles that contain the cell 21220280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * (intersectX, intersectY) 21230280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 21240280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param cellXY The array that will contain the position of a vacant cell if such a cell 21250280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * can be found. 21260280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 21270280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 21280280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 21290280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return True if a vacant cell of the specified dimension was found, false otherwise. 21300280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 21310280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpan(int[] cellXY, int spanX, int spanY) { 2132482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return findCellForSpanThatIntersectsIgnoring(cellXY, spanX, spanY, -1, -1, null, mOccupied); 21330280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 21340280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 21350280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 21360280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Like above, but ignores any cells occupied by the item "ignoreView" 21370280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 21380280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param cellXY The array that will contain the position of a vacant cell if such a cell 21390280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * can be found. 21400280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 21410280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 21420280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param ignoreView The home screen item we should treat as not occupying any space 21430280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return 21440280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 21450280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanIgnoring(int[] cellXY, int spanX, int spanY, View ignoreView) { 2146482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return findCellForSpanThatIntersectsIgnoring(cellXY, spanX, spanY, -1, -1, 2147482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen ignoreView, mOccupied); 21480280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 21490280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 21500280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 21510280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Like above, but if intersectX and intersectY are not -1, then this method will try to 21520280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * return coordinates for rectangles that contain the cell [intersectX, intersectY] 21530280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 21540280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 21550280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 21560280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param ignoreView The home screen item we should treat as not occupying any space 21570280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param intersectX The X coordinate of the cell that we should try to overlap 21580280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param intersectX The Y coordinate of the cell that we should try to overlap 21590280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 21600280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return True if a vacant cell of the specified dimension was found, false otherwise. 21610280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 21620280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanThatIntersects(int[] cellXY, int spanX, int spanY, 21630280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int intersectX, int intersectY) { 21640280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring( 2165482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen cellXY, spanX, spanY, intersectX, intersectY, null, mOccupied); 21660280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 21670280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 21680280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 21690280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * The superset of the above two methods 21700280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 21710280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanThatIntersectsIgnoring(int[] cellXY, int spanX, int spanY, 2172482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int intersectX, int intersectY, View ignoreView, boolean occupied[][]) { 2173c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // mark space take by ignoreView as available (method checks if ignoreView is null) 2174482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsAsUnoccupiedForView(ignoreView, occupied); 21750280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 217628750fba6a2d141eb9a1e566718c17236030b815Michael Jurka boolean foundCell = false; 21770280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka while (true) { 21780280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int startX = 0; 21790280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX >= 0) { 21800280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka startX = Math.max(startX, intersectX - (spanX - 1)); 21810280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 21820280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int endX = mCountX - (spanX - 1); 21830280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX >= 0) { 21840280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka endX = Math.min(endX, intersectX + (spanX - 1) + (spanX == 1 ? 1 : 0)); 21850280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 21860280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int startY = 0; 21870280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectY >= 0) { 21880280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka startY = Math.max(startY, intersectY - (spanY - 1)); 21890280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 21900280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int endY = mCountY - (spanY - 1); 21910280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectY >= 0) { 21920280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka endY = Math.min(endY, intersectY + (spanY - 1) + (spanY == 1 ? 1 : 0)); 21930280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 21940280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 2195bbc60d8e79416e37cbede55c159bf6aaa6c171d5Winson Chung for (int y = startY; y < endY && !foundCell; y++) { 21960280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka inner: 2197bbc60d8e79416e37cbede55c159bf6aaa6c171d5Winson Chung for (int x = startX; x < endX; x++) { 21980280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = 0; i < spanX; i++) { 21990280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int j = 0; j < spanY; j++) { 2200482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (occupied[x + i][y + j]) { 2201bbc60d8e79416e37cbede55c159bf6aaa6c171d5Winson Chung // small optimization: we can skip to after the column we just found 22020280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // an occupied cell 2203bbc60d8e79416e37cbede55c159bf6aaa6c171d5Winson Chung x += i; 22040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka continue inner; 22050280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 22060280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 22070280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 22080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (cellXY != null) { 22090280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[0] = x; 22100280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[1] = y; 22110280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 221228750fba6a2d141eb9a1e566718c17236030b815Michael Jurka foundCell = true; 221328750fba6a2d141eb9a1e566718c17236030b815Michael Jurka break; 22140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 22150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 22160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX == -1 && intersectY == -1) { 22170280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka break; 22180280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } else { 22190280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // if we failed to find anything, try again but without any requirements of 22200280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // intersecting 22210280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka intersectX = -1; 22220280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka intersectY = -1; 22230280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka continue; 22240280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 22250280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 22260280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 2227c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // re-mark space taken by ignoreView as occupied 2228482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsAsOccupiedForView(ignoreView, occupied); 222928750fba6a2d141eb9a1e566718c17236030b815Michael Jurka return foundCell; 22300280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 22310280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 223231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 2233c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung * A drag event has begun over this layout. 2234c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung * It may have begun over this layout (in which case onDragChild is called first), 2235c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung * or it may have begun on another layout. 2236c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung */ 2237c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung void onDragEnter() { 2238c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung if (!mDragging) { 2239c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung // Fade in the drag indicators 2240c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung if (mCrosshairsAnimator != null) { 2241c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung mCrosshairsAnimator.animateIn(); 2242c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung } 2243c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung } 2244c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung mDragging = true; 2245c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung } 2246c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung 2247c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung /** 22480280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Called when drag has left this CellLayout or has been completed (successfully or not) 22496569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 22500280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka void onDragExit() { 22514be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // This can actually be called when we aren't in a drag, e.g. when adding a new 22524be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // item to this layout via the customize drawer. 22534be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Guard against that case. 22544be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (mDragging) { 22554be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragging = false; 22566569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 22574be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Fade out the drag indicators 22584be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (mCrosshairsAnimator != null) { 22594be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mCrosshairsAnimator.animateOut(); 22604be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 22614be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 226208ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy 226308ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy // Invalidate the drag data 2264d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen mDragCell[0] = mDragCell[1] = -1; 226508ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[mDragOutlineCurrent].animateOut(); 226608ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineCurrent = (mDragOutlineCurrent + 1) % mDragOutlineAnims.length; 226708ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy 226833945b21544bc98381df17726a3537c292d8c985Michael Jurka setIsDragOverlapping(false); 22696569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 22706569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 22716569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 2272aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Mark a child as having been dropped. 2273de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * At the beginning of the drag operation, the child may have been on another 2274ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * screen, but it is re-parented before this method is called. 227531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 227631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child that is being dropped 227731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 2278716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen void onDropChild(View child) { 2279d94533d04a5f8f5485f106d10af60169857ea899Romain Guy if (child != null) { 2280d94533d04a5f8f5485f106d10af60169857ea899Romain Guy LayoutParams lp = (LayoutParams) child.getLayoutParams(); 228184f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy lp.dropped = true; 2282d94533d04a5f8f5485f106d10af60169857ea899Romain Guy child.requestLayout(); 2283d94533d04a5f8f5485f106d10af60169857ea899Romain Guy } 228431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 228531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 228631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 228731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Computes a bounding rectangle for a range of cells 2288aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 228931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellX X coordinate of upper left corner expressed as a cell position 229031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellY Y coordinate of upper left corner expressed as a cell position 2291aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * @param cellHSpan Width in cells 229231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellVSpan Height in cells 22936569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param resultRect Rect into which to put the results 229431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 2295d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen public void cellToRect(int cellX, int cellY, int cellHSpan, int cellVSpan, Rect resultRect) { 229631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellWidth = mCellWidth; 229731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellHeight = mCellHeight; 229831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int widthGap = mWidthGap; 229931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int heightGap = mHeightGap; 2300aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 23014b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int hStartPadding = getPaddingLeft(); 23024b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int vStartPadding = getPaddingTop(); 2303aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 230431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int width = cellHSpan * cellWidth + ((cellHSpan - 1) * widthGap); 230531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int height = cellVSpan * cellHeight + ((cellVSpan - 1) * heightGap); 230631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 230731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int x = hStartPadding + cellX * (cellWidth + widthGap); 230831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int y = vStartPadding + cellY * (cellHeight + heightGap); 2309aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 23106569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy resultRect.set(x, y, x + width, y + height); 231131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 2312aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 231331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 2314aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Computes the required horizontal and vertical cell spans to always 231531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * fit the given rectangle. 2316aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 231731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param width Width in pixels 231831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param height Height in pixels 23198f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy * @param result An array of length 2 in which to store the result (may be null). 232031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 23218f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy public int[] rectToCell(int width, int height, int[] result) { 23229987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka return rectToCell(getResources(), width, height, result); 23239987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka } 23249987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka 23259987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka public static int[] rectToCell(Resources resources, int width, int height, int[] result) { 232631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Always assume we're working with the smallest span to make sure we 232731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // reserve enough space in both orientations. 232879e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato int actualWidth = resources.getDimensionPixelSize(R.dimen.workspace_cell_width); 232979e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato int actualHeight = resources.getDimensionPixelSize(R.dimen.workspace_cell_height); 233031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int smallerSize = Math.min(actualWidth, actualHeight); 233179e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato 233231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Always round up to next largest cell 233354c725cc294cd43ed0650179bfae64a622547660Winson Chung int spanX = (int) Math.ceil(width / (float) smallerSize); 233454c725cc294cd43ed0650179bfae64a622547660Winson Chung int spanY = (int) Math.ceil(height / (float) smallerSize); 233579e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato 23368f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy if (result == null) { 23378f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy return new int[] { spanX, spanY }; 23388f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy } 23398f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[0] = spanX; 23408f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[1] = spanY; 23418f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy return result; 234231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 234331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 2344f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka public int[] cellSpansToSize(int hSpans, int vSpans) { 2345f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka int[] size = new int[2]; 2346f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka size[0] = hSpans * mCellWidth + (hSpans - 1) * mWidthGap; 2347f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka size[1] = vSpans * mCellHeight + (vSpans - 1) * mHeightGap; 2348f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka return size; 2349f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka } 2350f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka 235131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 2352047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy * Calculate the grid spans needed to fit given item 2353047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy */ 2354047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy public void calculateSpans(ItemInfo info) { 2355047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy final int minWidth; 2356047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy final int minHeight; 2357047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy 2358047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy if (info instanceof LauncherAppWidgetInfo) { 2359047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy minWidth = ((LauncherAppWidgetInfo) info).minWidth; 2360047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy minHeight = ((LauncherAppWidgetInfo) info).minHeight; 2361047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy } else if (info instanceof PendingAddWidgetInfo) { 2362047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy minWidth = ((PendingAddWidgetInfo) info).minWidth; 2363047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy minHeight = ((PendingAddWidgetInfo) info).minHeight; 2364047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy } else { 2365047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy // It's not a widget, so it must be 1x1 2366047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy info.spanX = info.spanY = 1; 2367047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy return; 2368047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy } 2369047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy int[] spans = rectToCell(minWidth, minHeight, null); 2370047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy info.spanX = spans[0]; 2371047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy info.spanY = spans[1]; 2372047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy } 2373047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy 2374047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy /** 237531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Find the first vacant cell, if there is one. 237631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 237731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param vacant Holds the x and y coordinate of the vacant cell 237831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX Horizontal cell span. 237931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY Vertical cell span. 2380aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 238131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return True if a vacant cell was found 238231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 238331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean getVacantCell(int[] vacant, int spanX, int spanY) { 238431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 23850280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findVacantCell(vacant, spanX, spanY, mCountX, mCountY, mOccupied); 238631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 238731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 238831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project static boolean findVacantCell(int[] vacant, int spanX, int spanY, 238931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int xCount, int yCount, boolean[][] occupied) { 239031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 23912801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen for (int y = 0; y < yCount; y++) { 23922801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen for (int x = 0; x < xCount; x++) { 239331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean available = !occupied[x][y]; 239431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectout: for (int i = x; i < x + spanX - 1 && x < xCount; i++) { 239531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int j = y; j < y + spanY - 1 && y < yCount; j++) { 239631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project available = available && !occupied[i][j]; 239731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!available) break out; 239831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 239931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 240031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 240131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (available) { 240231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project vacant[0] = x; 240331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project vacant[1] = y; 240431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 240531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 240631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 240731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 240831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 240931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 241031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 241131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 24120280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void clearOccupiedCells() { 24130280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = 0; x < mCountX; x++) { 24140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = 0; y < mCountY; y++) { 24150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied[x][y] = false; 241631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 241731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 24180280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 241931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 24201b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen /** 24211b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen * Given a view, determines how much that view can be expanded in all directions, in terms of 24221b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen * whether or not there are other items occupying adjacent cells. Used by the 24231b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen * AppWidgetResizeFrame to determine how the widget can be resized. 24241b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen */ 2425d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen public void getExpandabilityArrayForView(View view, int[] expandability) { 24261b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen final LayoutParams lp = (LayoutParams) view.getLayoutParams(); 2427d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen boolean flag; 2428d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 24291b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.LEFT] = 0; 2430d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int x = lp.cellX - 1; x >= 0; x--) { 2431d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen flag = false; 2432d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int y = lp.cellY; y < lp.cellY + lp.cellVSpan; y++) { 2433d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (mOccupied[x][y]) flag = true; 2434d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 2435d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (flag) break; 24361b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.LEFT]++; 2437d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 2438d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 24391b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.TOP] = 0; 2440d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int y = lp.cellY - 1; y >= 0; y--) { 2441d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen flag = false; 2442d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int x = lp.cellX; x < lp.cellX + lp.cellHSpan; x++) { 2443d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (mOccupied[x][y]) flag = true; 2444d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 2445d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (flag) break; 24461b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.TOP]++; 24471b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen } 2448d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 24491b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.RIGHT] = 0; 2450d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int x = lp.cellX + lp.cellHSpan; x < mCountX; x++) { 2451d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen flag = false; 2452d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int y = lp.cellY; y < lp.cellY + lp.cellVSpan; y++) { 2453d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (mOccupied[x][y]) flag = true; 2454d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 2455d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (flag) break; 24561b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.RIGHT]++; 24571b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen } 2458d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 24591b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.BOTTOM] = 0; 2460d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int y = lp.cellY + lp.cellVSpan; y < mCountY; y++) { 2461d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen flag = false; 2462d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int x = lp.cellX; x < lp.cellX + lp.cellHSpan; x++) { 2463d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (mOccupied[x][y]) flag = true; 2464d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 2465d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (flag) break; 24661b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.BOTTOM]++; 24671b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen } 2468d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 2469d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 2470d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen public void onMove(View view, int newCellX, int newCellY, int newSpanX, int newSpanY) { 24710280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 2472482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForView(newCellX, newCellY, newSpanX, newSpanY, mOccupied, true); 24730280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 247431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 2475d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen public void markCellsAsOccupiedForView(View view) { 2476482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsAsOccupiedForView(view, mOccupied); 2477482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2478482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public void markCellsAsOccupiedForView(View view, boolean[][] occupied) { 2479a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka if (view == null || view.getParent() != mShortcutsAndWidgets) return; 24800280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 2481482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForView(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, occupied, true); 24820280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 24830280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 2484d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen public void markCellsAsUnoccupiedForView(View view) { 2485482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsAsUnoccupiedForView(view, mOccupied); 2486482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2487482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public void markCellsAsUnoccupiedForView(View view, boolean occupied[][]) { 2488a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka if (view == null || view.getParent() != mShortcutsAndWidgets) return; 24890280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 2490482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForView(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, occupied, false); 24910280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 24920280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 2493482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private void markCellsForView(int cellX, int cellY, int spanX, int spanY, boolean[][] occupied, 2494482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean value) { 2495482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (cellX < 0 || cellY < 0) return; 24960280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = cellX; x < cellX + spanX && x < mCountX; x++) { 24970280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = cellY; y < cellY + spanY && y < mCountY; y++) { 2498482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen occupied[x][y] = value; 249931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 250031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 250131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 250231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 25032801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen public int getDesiredWidth() { 25044b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung return mPaddingLeft + mPaddingRight + (mCountX * mCellWidth) + 25052801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen (Math.max((mCountX - 1), 0) * mWidthGap); 25062801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 25072801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen 25082801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen public int getDesiredHeight() { 25094b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung return mPaddingTop + mPaddingBottom + (mCountY * mCellHeight) + 25102801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen (Math.max((mCountY - 1), 0) * mHeightGap); 25112801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 25122801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen 251366d72178af91d455700875635473be942bc90e54Michael Jurka public boolean isOccupied(int x, int y) { 251466d72178af91d455700875635473be942bc90e54Michael Jurka if (x < mCountX && y < mCountY) { 251566d72178af91d455700875635473be942bc90e54Michael Jurka return mOccupied[x][y]; 251666d72178af91d455700875635473be942bc90e54Michael Jurka } else { 251766d72178af91d455700875635473be942bc90e54Michael Jurka throw new RuntimeException("Position exceeds the bound of this CellLayout"); 251866d72178af91d455700875635473be942bc90e54Michael Jurka } 251966d72178af91d455700875635473be942bc90e54Michael Jurka } 252066d72178af91d455700875635473be942bc90e54Michael Jurka 252131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 252231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public ViewGroup.LayoutParams generateLayoutParams(AttributeSet attrs) { 252331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new CellLayout.LayoutParams(getContext(), attrs); 252431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 252531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 252631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 252731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected boolean checkLayoutParams(ViewGroup.LayoutParams p) { 252831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return p instanceof CellLayout.LayoutParams; 252931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 253031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 253131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 253231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected ViewGroup.LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) { 253331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new CellLayout.LayoutParams(p); 253431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 253531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 2536aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public static class CellLayoutAnimationController extends LayoutAnimationController { 2537aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public CellLayoutAnimationController(Animation animation, float delay) { 2538aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung super(animation, delay); 2539aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 2540aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 2541aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung @Override 2542aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung protected long getDelayForView(View view) { 2543aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return (int) (Math.random() * 150); 2544aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 2545aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 2546aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 254731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static class LayoutParams extends ViewGroup.MarginLayoutParams { 254831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 254931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Horizontal location of the item in the grid. 255031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 255131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 255231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellX; 255331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 255431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 255531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Vertical location of the item in the grid. 255631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 255731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 255831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellY; 255931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 256031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 2561482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * Temporary horizontal location of the item in the grid during reorder 2562482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen */ 2563482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public int tmpCellX; 2564482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2565482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen /** 2566482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * Temporary vertical location of the item in the grid during reorder 2567482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen */ 2568482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public int tmpCellY; 2569482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2570482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen /** 2571482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * Indicates that the temporary coordinates should be used to layout the items 2572482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen */ 2573482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public boolean useTmpCoords; 2574482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2575482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen /** 257631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Number of cells spanned horizontally by the item. 257731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 257831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 257931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellHSpan; 258031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 258131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 258231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Number of cells spanned vertically by the item. 258331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 258431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 258531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellVSpan; 2586aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 25871b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen /** 25881b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen * Indicates whether the item will set its x, y, width and height parameters freely, 25891b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen * or whether these will be computed based on cellX, cellY, cellHSpan and cellVSpan. 25901b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen */ 2591d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen public boolean isLockedToGrid = true; 2592d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 2593482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen /** 2594482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * Indicates whether this item can be reordered. Always true except in the case of the 2595482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * the AllApps button. 2596482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen */ 2597482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public boolean canReorder = true; 2598482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 259931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // X coordinate of the view in the layout. 260031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 260131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int x; 260231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Y coordinate of the view in the layout. 260331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 260431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int y; 260531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 260684f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy boolean dropped; 2607fcb9e7144e58614f5ae0e9b272fb7ce040848c67Romain Guy 260831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(Context c, AttributeSet attrs) { 260931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(c, attrs); 261031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellHSpan = 1; 261131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellVSpan = 1; 261231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 261331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 261431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(ViewGroup.LayoutParams source) { 261531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(source); 261631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellHSpan = 1; 261731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellVSpan = 1; 261831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 2619aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 2620aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public LayoutParams(LayoutParams source) { 2621aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung super(source); 2622aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellX = source.cellX; 2623aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellY = source.cellY; 2624aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellHSpan = source.cellHSpan; 2625aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellVSpan = source.cellVSpan; 2626aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 2627aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 262831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(int cellX, int cellY, int cellHSpan, int cellVSpan) { 26298f19cdd62f6e2be05e3890916eabd11317ae1bc2Romain Guy super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); 263031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellX = cellX; 263131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellY = cellY; 263231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellHSpan = cellHSpan; 263331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellVSpan = cellVSpan; 263431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 263531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 26367f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public void setup(int cellWidth, int cellHeight, int widthGap, int heightGap) { 2637d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (isLockedToGrid) { 2638d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen final int myCellHSpan = cellHSpan; 2639d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen final int myCellVSpan = cellVSpan; 2640482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen final int myCellX = useTmpCoords ? tmpCellX : cellX; 2641482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen final int myCellY = useTmpCoords ? tmpCellY : cellY; 26421b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen 2643d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen width = myCellHSpan * cellWidth + ((myCellHSpan - 1) * widthGap) - 2644d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen leftMargin - rightMargin; 2645d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen height = myCellVSpan * cellHeight + ((myCellVSpan - 1) * heightGap) - 2646d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen topMargin - bottomMargin; 2647eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung x = (int) (myCellX * (cellWidth + widthGap) + leftMargin); 2648eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung y = (int) (myCellY * (cellHeight + heightGap) + topMargin); 2649d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 2650d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 2651d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 2652aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public String toString() { 2653aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return "(" + this.cellX + ", " + this.cellY + ")"; 2654aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 26557f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 26567f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public void setWidth(int width) { 26577f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen this.width = width; 26587f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 26597f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 26607f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public int getWidth() { 26617f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen return width; 26627f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 26637f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 26647f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public void setHeight(int height) { 26657f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen this.height = height; 26667f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 26677f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 26687f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public int getHeight() { 26697f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen return height; 26707f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 26717f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 26727f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public void setX(int x) { 26737f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen this.x = x; 26747f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 26757f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 26767f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public int getX() { 26777f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen return x; 26787f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 26797f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 26807f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public void setY(int y) { 26817f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen this.y = y; 26827f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 26837f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 26847f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public int getY() { 26857f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen return y; 26867f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 268731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 268831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 26890280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // This class stores info for two purposes: 26900280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // 1. When dragging items (mDragInfo in Workspace), we store the View, its cellX & cellY, 26910280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // its spanX, spanY, and the screen it is on 26920280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // 2. When long clicking on an empty cell in a CellLayout, we save information about the 26930280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // cellX and cellY coordinates and which page was clicked. We then set this as a tag on 26940280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // the CellLayout that was long clicked 2695e5fb0f27bca7afb996258a7163c76ca7390d7bffMichael Jurka static final class CellInfo { 269631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View cell; 2697a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka int cellX = -1; 2698a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka int cellY = -1; 269931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanX; 270031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanY; 270131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screen; 27023d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung long container; 270331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 270431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 270531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public String toString() { 2706aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return "Cell[view=" + (cell == null ? "null" : cell.getClass()) 2707aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung + ", x=" + cellX + ", y=" + cellY + "]"; 270831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 270931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 2710d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka 2711d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka public boolean lastDownOnOccupiedCell() { 2712d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka return mLastDownOnOccupiedCell; 2713d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka } 271431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project} 2715