CellLayout.java revision 482ed823afb4c7452e037ce8add7ea425fc83da2
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; 1408c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka private CellLayoutChildren mChildren; 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 2848c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren = new CellLayoutChildren(context); 2857f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen mChildren.setCellDimensions(mCellWidth, mCellHeight, mWidthGap, mHeightGap); 2868c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka addView(mChildren); 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() { 3127ef918374acd7e1564fa1462053b8ac0bfd4ed67Adam Cohen mChildren.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 3566e3140865d3f0def2e55934d8b0b2c1503386e54Winson Chung public CellLayoutChildren getChildrenLayout() { 3576e3140865d3f0def2e55934d8b0b2c1503386e54Winson Chung if (getChildCount() > 0) { 3586e3140865d3f0def2e55934d8b0b2c1503386e54Winson Chung return (CellLayoutChildren) getChildAt(0); 3596e3140865d3f0def2e55934d8b0b2c1503386e54Winson Chung } 3606e3140865d3f0def2e55934d8b0b2c1503386e54Winson Chung return null; 3616e3140865d3f0def2e55934d8b0b2c1503386e54Winson Chung } 3626e3140865d3f0def2e55934d8b0b2c1503386e54Winson Chung 36333945b21544bc98381df17726a3537c292d8c985Michael Jurka void setIsDragOverlapping(boolean isDragOverlapping) { 36433945b21544bc98381df17726a3537c292d8c985Michael Jurka if (mIsDragOverlapping != isDragOverlapping) { 36533945b21544bc98381df17726a3537c292d8c985Michael Jurka mIsDragOverlapping = isDragOverlapping; 36633945b21544bc98381df17726a3537c292d8c985Michael Jurka invalidate(); 36733945b21544bc98381df17726a3537c292d8c985Michael Jurka } 36833945b21544bc98381df17726a3537c292d8c985Michael Jurka } 36933945b21544bc98381df17726a3537c292d8c985Michael Jurka 37033945b21544bc98381df17726a3537c292d8c985Michael Jurka boolean getIsDragOverlapping() { 37133945b21544bc98381df17726a3537c292d8c985Michael Jurka return mIsDragOverlapping; 37233945b21544bc98381df17726a3537c292d8c985Michael Jurka } 37333945b21544bc98381df17726a3537c292d8c985Michael Jurka 374ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen protected void setOverscrollTransformsDirty(boolean dirty) { 375ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen mScrollingTransformsDirty = dirty; 376ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen } 377ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen 378ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen protected void resetOverscrollTransforms() { 379ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen if (mScrollingTransformsDirty) { 380ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen setOverscrollTransformsDirty(false); 381ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen setTranslationX(0); 382ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen setRotationY(0); 383ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen // It doesn't matter if we pass true or false here, the important thing is that we 384ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen // pass 0, which results in the overscroll drawable not being drawn any more. 385ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen setOverScrollAmount(0, false); 386ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen setPivotX(getMeasuredWidth() / 2); 387ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen setPivotY(getMeasuredHeight() / 2); 388ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen } 389ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen } 390ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen 391a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy @Override 3921262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy protected void onDraw(Canvas canvas) { 3933e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // When we're large, we are either drawn in a "hover" state (ie when dragging an item to 3943e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // a neighboring page) or with just a normal background (if backgroundAlpha > 0.0f) 3953e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // When we're small, we are either drawn normally or in the "accepts drops" state (during 3963e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // a drag). However, we also drag the mini hover background *over* one of those two 3973e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // backgrounds 398b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung if (mBackgroundAlpha > 0.0f) { 399f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen Drawable bg; 40033945b21544bc98381df17726a3537c292d8c985Michael Jurka 40133945b21544bc98381df17726a3537c292d8c985Michael Jurka if (mIsDragOverlapping) { 40233945b21544bc98381df17726a3537c292d8c985Michael Jurka // In the mini case, we draw the active_glow bg *over* the active background 403bdf78559f223ac11e01e3311edd5a48a80383e1eMichael Jurka bg = mActiveGlowBackground; 404f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } else { 405bdf78559f223ac11e01e3311edd5a48a80383e1eMichael Jurka bg = mNormalBackground; 406f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 40733945b21544bc98381df17726a3537c292d8c985Michael Jurka 40833945b21544bc98381df17726a3537c292d8c985Michael Jurka bg.setAlpha((int) (mBackgroundAlpha * mBackgroundAlphaMultiplier * 255)); 40933945b21544bc98381df17726a3537c292d8c985Michael Jurka bg.setBounds(mBackgroundRect); 41033945b21544bc98381df17726a3537c292d8c985Michael Jurka bg.draw(canvas); 411a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 41231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 413de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (mCrosshairsVisibility > 0.0f) { 414de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countX = mCountX; 415de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countY = mCountY; 416de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 417de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final float MAX_ALPHA = 0.4f; 418de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int MAX_VISIBLE_DISTANCE = 600; 419de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final float DISTANCE_MULTIPLIER = 0.002f; 420de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 421de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final Drawable d = mCrosshairsDrawable; 422de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int width = d.getIntrinsicWidth(); 423de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int height = d.getIntrinsicHeight(); 424de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 4254b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int x = getPaddingLeft() - (mWidthGap / 2) - (width / 2); 426de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int col = 0; col <= countX; col++) { 4274b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int y = getPaddingTop() - (mHeightGap / 2) - (height / 2); 428de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int row = 0; row <= countY; row++) { 429de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mTmpPointF.set(x - mDragCenter.x, y - mDragCenter.y); 430de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy float dist = mTmpPointF.length(); 431de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // Crosshairs further from the drag point are more faint 432de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy float alpha = Math.min(MAX_ALPHA, 433de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy DISTANCE_MULTIPLIER * (MAX_VISIBLE_DISTANCE - dist)); 434de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (alpha > 0.0f) { 435de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.setBounds(x, y, x + width, y + height); 436de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.setAlpha((int) (alpha * 255 * mCrosshairsVisibility)); 437de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.draw(canvas); 438de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 439de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy y += mCellHeight + mHeightGap; 440de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 441de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy x += mCellWidth + mWidthGap; 442de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 4434be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 444150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 4458e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy final Paint paint = mDragOutlinePaint; 4464be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlines.length; i++) { 447472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float alpha = mDragOutlineAlphas[i]; 4484be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (alpha > 0) { 449d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen final Rect r = mDragOutlines[i]; 4504be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Bitmap b = (Bitmap) mDragOutlineAnims[i].getTag(); 451472b281d5cb4f5660df981a6c912266b9f5703feChet Haase paint.setAlpha((int)(alpha + .5f)); 452d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen canvas.drawBitmap(b, null, r, paint); 453150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung } 4546569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 45596864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy 45696864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy // We draw the pressed or focused BubbleTextView's background in CellLayout because it 45796864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy // requires an expanded clip rect (due to the glow's blur radius) 45896864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy if (mPressedOrFocusedIcon != null) { 45996864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy final int padding = mPressedOrFocusedIcon.getPressedOrFocusedBackgroundPadding(); 46096864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy final Bitmap b = mPressedOrFocusedIcon.getPressedOrFocusedBackground(); 46196864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy if (b != null) { 46296864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy canvas.drawBitmap(b, 4634b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mPressedOrFocusedIcon.getLeft() + getPaddingLeft() - padding, 4644b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mPressedOrFocusedIcon.getTop() + getPaddingTop() - padding, 46596864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy null); 46696864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy } 46796864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy } 46869ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen 469482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (DEBUG_VISUALIZE_OCCUPIED) { 470482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int[] pt = new int[2]; 471482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen ColorDrawable cd = new ColorDrawable(Color.RED); 472482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen cd.setBounds(0, 0, 80, 80); 473482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < mCountX; i++) { 474482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int j = 0; j < mCountY; j++) { 475482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (mOccupied[i][j]) { 476482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen cellToPoint(i, j, pt); 477482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen canvas.save(); 478482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen canvas.translate(pt[0], pt[1]); 479482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen cd.draw(canvas); 480482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen canvas.restore(); 481482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 482482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 483482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 484482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 485482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 48669ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen // The folder outer / inner ring image(s) 48769ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen for (int i = 0; i < mFolderOuterRings.size(); i++) { 48869ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen FolderRingAnimator fra = mFolderOuterRings.get(i); 48969ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen 49069ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen // Draw outer ring 49169ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen Drawable d = FolderRingAnimator.sSharedOuterRingDrawable; 49269ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen int width = (int) fra.getOuterRingSize(); 49369ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen int height = width; 49469ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen cellToPoint(fra.mCellX, fra.mCellY, mTempLocation); 49569ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen 49669ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen int centerX = mTempLocation[0] + mCellWidth / 2; 49769ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen int centerY = mTempLocation[1] + FolderRingAnimator.sPreviewSize / 2; 49869ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen 49969ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen canvas.save(); 50069ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen canvas.translate(centerX - width / 2, centerY - height / 2); 50169ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen d.setBounds(0, 0, width, height); 50269ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen d.draw(canvas); 50369ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen canvas.restore(); 50469ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen 50569ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen // Draw inner ring 50669ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen d = FolderRingAnimator.sSharedInnerRingDrawable; 50769ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen width = (int) fra.getInnerRingSize(); 50869ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen height = width; 50969ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen cellToPoint(fra.mCellX, fra.mCellY, mTempLocation); 51069ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen 51169ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen centerX = mTempLocation[0] + mCellWidth / 2; 51269ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen centerY = mTempLocation[1] + FolderRingAnimator.sPreviewSize / 2; 51369ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen canvas.save(); 51469ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen canvas.translate(centerX - width / 2, centerY - width / 2); 51569ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen d.setBounds(0, 0, width, height); 51669ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen d.draw(canvas); 51769ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen canvas.restore(); 51869ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen } 519c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen 520c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen if (mFolderLeaveBehindCell[0] >= 0 && mFolderLeaveBehindCell[1] >= 0) { 521c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen Drawable d = FolderIcon.sSharedFolderLeaveBehind; 522c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen int width = d.getIntrinsicWidth(); 523c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen int height = d.getIntrinsicHeight(); 524c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen 525c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen cellToPoint(mFolderLeaveBehindCell[0], mFolderLeaveBehindCell[1], mTempLocation); 526c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen int centerX = mTempLocation[0] + mCellWidth / 2; 527c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen int centerY = mTempLocation[1] + FolderRingAnimator.sPreviewSize / 2; 528c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen 529c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen canvas.save(); 530c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen canvas.translate(centerX - width / 2, centerY - width / 2); 531c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen d.setBounds(0, 0, width, height); 532c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen d.draw(canvas); 533c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen canvas.restore(); 534c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen } 53569ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen } 53669ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen 537b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen @Override 538b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen protected void dispatchDraw(Canvas canvas) { 539b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen super.dispatchDraw(canvas); 540b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen if (mForegroundAlpha > 0) { 541b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen mOverScrollForegroundDrawable.setBounds(mForegroundRect); 542b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen Paint p = ((NinePatchDrawable) mOverScrollForegroundDrawable).getPaint(); 543b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen p.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.ADD)); 544b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen mOverScrollForegroundDrawable.draw(canvas); 545b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen p.setXfermode(null); 546b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen } 547b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen } 548b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen 54969ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen public void showFolderAccept(FolderRingAnimator fra) { 55069ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen mFolderOuterRings.add(fra); 55169ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen } 55269ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen 55369ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen public void hideFolderAccept(FolderRingAnimator fra) { 55469ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen if (mFolderOuterRings.contains(fra)) { 55569ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen mFolderOuterRings.remove(fra); 55669ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen } 55769ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen invalidate(); 5586569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 5596569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 560c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen public void setFolderLeaveBehindCell(int x, int y) { 561c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen mFolderLeaveBehindCell[0] = x; 562c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen mFolderLeaveBehindCell[1] = y; 563c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen invalidate(); 564c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen } 565c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen 566c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen public void clearFolderLeaveBehind() { 567c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen mFolderLeaveBehindCell[0] = -1; 568c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen mFolderLeaveBehindCell[1] = -1; 569c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen invalidate(); 570c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen } 571c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen 5726569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy @Override 573e6235dd225404239b55c459245543f3302326112Michael Jurka public boolean shouldDelayChildPressedState() { 574e6235dd225404239b55c459245543f3302326112Michael Jurka return false; 575e6235dd225404239b55c459245543f3302326112Michael Jurka } 576e6235dd225404239b55c459245543f3302326112Michael Jurka 577e6235dd225404239b55c459245543f3302326112Michael Jurka @Override 57883f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey public void cancelLongPress() { 57983f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey super.cancelLongPress(); 58083f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey 58183f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey // Cancel long press for all children 58283f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey final int count = getChildCount(); 58383f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey for (int i = 0; i < count; i++) { 58483f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey final View child = getChildAt(i); 58583f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey child.cancelLongPress(); 58683f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey } 58783f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey } 58883f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey 589dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka public void setOnInterceptTouchListener(View.OnTouchListener listener) { 590dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka mInterceptTouchListener = listener; 591dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 592dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 59331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCountX() { 594d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen return mCountX; 59531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 59631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 59731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCountY() { 598d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen return mCountY; 59931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 60031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6010dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn public void setIsHotseat(boolean isHotseat) { 6020dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn mIsHotseat = isHotseat; 6030dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn } 6040dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn 605eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung public float getChildrenScale() { 606eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung return mIsHotseat ? mHotseatChildScale : mChildScale; 607eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung } 608eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung 609f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka public boolean addViewToCellLayout( 610f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka View child, int index, int childId, LayoutParams params, boolean markCells) { 6110dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn return addViewToCellLayout(child, index, childId, params, markCells, false); 6120dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn } 6130dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn 614eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung private void scaleChild(BubbleTextView bubbleChild, float pivot, float scale) { 615bc239a15464f543a41b960b946aa77258454efafAndrew Flynn // If we haven't measured the child yet, do it now 616bc239a15464f543a41b960b946aa77258454efafAndrew Flynn // (this happens if we're being dropped from all-apps 617bc239a15464f543a41b960b946aa77258454efafAndrew Flynn if (bubbleChild.getLayoutParams() instanceof LayoutParams && 618bc239a15464f543a41b960b946aa77258454efafAndrew Flynn (bubbleChild.getMeasuredWidth() | bubbleChild.getMeasuredHeight()) == 0) { 619bc239a15464f543a41b960b946aa77258454efafAndrew Flynn getChildrenLayout().measureChild(bubbleChild); 620bc239a15464f543a41b960b946aa77258454efafAndrew Flynn } 621bc239a15464f543a41b960b946aa77258454efafAndrew Flynn int measuredWidth = bubbleChild.getMeasuredWidth(); 622bc239a15464f543a41b960b946aa77258454efafAndrew Flynn int measuredHeight = bubbleChild.getMeasuredHeight(); 623bc239a15464f543a41b960b946aa77258454efafAndrew Flynn 624bc239a15464f543a41b960b946aa77258454efafAndrew Flynn bubbleChild.setScaleX(scale); 625bc239a15464f543a41b960b946aa77258454efafAndrew Flynn bubbleChild.setScaleY(scale); 626bc239a15464f543a41b960b946aa77258454efafAndrew Flynn } 627bc239a15464f543a41b960b946aa77258454efafAndrew Flynn 628bc239a15464f543a41b960b946aa77258454efafAndrew Flynn private void resetChild(BubbleTextView bubbleChild) { 629bc239a15464f543a41b960b946aa77258454efafAndrew Flynn bubbleChild.setScaleX(1f); 630bc239a15464f543a41b960b946aa77258454efafAndrew Flynn bubbleChild.setScaleY(1f); 631bc239a15464f543a41b960b946aa77258454efafAndrew Flynn 632bc239a15464f543a41b960b946aa77258454efafAndrew Flynn bubbleChild.setTextColor(getResources().getColor(R.color.workspace_icon_text_color)); 633bc239a15464f543a41b960b946aa77258454efafAndrew Flynn } 634bc239a15464f543a41b960b946aa77258454efafAndrew Flynn 6350dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn public boolean addViewToCellLayout(View child, int index, int childId, LayoutParams params, 6360dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn boolean markCells, boolean allApps) { 637aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final LayoutParams lp = params; 638aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 6390dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn // Hotseat icons - scale down and remove text 6400dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn // Don't scale the all apps button 6410dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn // scale percent set to -1 means do not scale 6420dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn // Only scale BubbleTextViews 6430dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn if (child instanceof BubbleTextView) { 6440dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn BubbleTextView bubbleChild = (BubbleTextView) child; 6450dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn 646bc239a15464f543a41b960b946aa77258454efafAndrew Flynn // Start the child with 100% scale and visible text 647bc239a15464f543a41b960b946aa77258454efafAndrew Flynn resetChild(bubbleChild); 648bc239a15464f543a41b960b946aa77258454efafAndrew Flynn 649eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung if (mIsHotseat && !allApps && mHotseatChildScale >= 0) { 650bc239a15464f543a41b960b946aa77258454efafAndrew Flynn // Scale/make transparent for a hotseat 651eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung scaleChild(bubbleChild, 0f, mHotseatChildScale); 6520dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn 653bc239a15464f543a41b960b946aa77258454efafAndrew Flynn bubbleChild.setTextColor(getResources().getColor(android.R.color.transparent)); 654eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung } else if (mChildScale >= 0) { 655bc239a15464f543a41b960b946aa77258454efafAndrew Flynn // Else possibly still scale it if we need to for smaller icons 656eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung scaleChild(bubbleChild, 0f, mChildScale); 6570dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn } 6580dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn } 6590dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn 66031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Generate an id for each view, this assumes we have at most 256x256 cells 66131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // per workspace screen 662d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellX >= 0 && lp.cellX <= mCountX - 1 && lp.cellY >= 0 && lp.cellY <= mCountY - 1) { 663aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // If the horizontal or vertical span is set to -1, it is taken to 664aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // mean that it spans the extent of the CellLayout 665d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellHSpan < 0) lp.cellHSpan = mCountX; 666d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellVSpan < 0) lp.cellVSpan = mCountY; 667aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 668aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung child.setId(childId); 66931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6708c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.addView(child, index, lp); 671dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 672f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka if (markCells) markCellsAsOccupiedForView(child); 6730280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 674aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return true; 675aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 676aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return false; 67731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 6783e7c7634531302271270c8cf418abc959d621cbcMichael Jurka 67931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 6800280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeAllViews() { 6810280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka clearOccupiedCells(); 6828c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.removeAllViews(); 6830280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 6840280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 6850280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 6860280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeAllViewsInLayout() { 6877cfc2825c3a1029f962d2fc387ae2eaa85b51798Michael Jurka if (mChildren.getChildCount() > 0) { 6887cfc2825c3a1029f962d2fc387ae2eaa85b51798Michael Jurka clearOccupiedCells(); 6897cfc2825c3a1029f962d2fc387ae2eaa85b51798Michael Jurka mChildren.removeAllViewsInLayout(); 6907cfc2825c3a1029f962d2fc387ae2eaa85b51798Michael Jurka } 6910280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 6920280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 693f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka public void removeViewWithoutMarkingCells(View view) { 694cf6125c2d30ce02d8ab6cbe8e37a20f6a831e216Michael Jurka mChildren.removeView(view); 695f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka } 696f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka 6970280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 6980280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeView(View view) { 6990280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 7008c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.removeView(view); 7010280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 7020280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 7030280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 7040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewAt(int index) { 7058c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka markCellsAsUnoccupiedForView(mChildren.getChildAt(index)); 7068c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.removeViewAt(index); 7070280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 7080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 7090280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 7100280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewInLayout(View view) { 7110280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 7128c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.removeViewInLayout(view); 7130280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 7140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 7150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 7160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViews(int start, int count) { 7170280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = start; i < start + count; i++) { 7188c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka markCellsAsUnoccupiedForView(mChildren.getChildAt(i)); 7190280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 7208c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.removeViews(start, count); 7210280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 7220280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 7230280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 7240280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewsInLayout(int start, int count) { 7250280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = start; i < start + count; i++) { 7268c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka markCellsAsUnoccupiedForView(mChildren.getChildAt(i)); 7270280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 7288c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.removeViewsInLayout(start, count); 7290280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 7300280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 7318c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka public void drawChildren(Canvas canvas) { 7328c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.draw(canvas); 73331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 73431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 735abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka void buildChildrenLayer() { 736abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka mChildren.buildLayer(); 737abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka } 738abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka 73931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 74031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onAttachedToWindow() { 74131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onAttachedToWindow(); 74231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellInfo.screen = ((ViewGroup) getParent()).indexOfChild(this); 74331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 74431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 745af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka public void setTagToCellInfoForPoint(int touchX, int touchY) { 74631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellInfo cellInfo = mCellInfo; 747eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung Rect frame = mRect; 748af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int x = touchX + mScrollX; 749af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int y = touchY + mScrollY; 7508c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka final int count = mChildren.getChildCount(); 75131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 752af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka boolean found = false; 753af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka for (int i = count - 1; i >= 0; i--) { 7548c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka final View child = mChildren.getChildAt(i); 755d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen final LayoutParams lp = (LayoutParams) child.getLayoutParams(); 756af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka 7571b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen if ((child.getVisibility() == VISIBLE || child.getAnimation() != null) && 7581b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen lp.isLockedToGrid) { 759af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka child.getHitRect(frame); 7600be025d64c1f84138fe430a58875886e66aae767Winson Chung 761eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung float scale = child.getScaleX(); 762eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung frame = new Rect(child.getLeft(), child.getTop(), child.getRight(), 763eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung child.getBottom()); 7640be025d64c1f84138fe430a58875886e66aae767Winson Chung // The child hit rect is relative to the CellLayoutChildren parent, so we need to 7650be025d64c1f84138fe430a58875886e66aae767Winson Chung // offset that by this CellLayout's padding to test an (x,y) point that is relative 7660be025d64c1f84138fe430a58875886e66aae767Winson Chung // to this view. 7674b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung frame.offset(mPaddingLeft, mPaddingTop); 768eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung frame.inset((int) (frame.width() * (1f - scale) / 2), 769eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung (int) (frame.height() * (1f - scale) / 2)); 7700be025d64c1f84138fe430a58875886e66aae767Winson Chung 771af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (frame.contains(x, y)) { 772af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cell = child; 773af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellX = lp.cellX; 774af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellY = lp.cellY; 775af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanX = lp.cellHSpan; 776af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanY = lp.cellVSpan; 777af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka found = true; 778af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka break; 77931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 78031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 781af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 782aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 783d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka mLastDownOnOccupiedCell = found; 784d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka 785af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (!found) { 7860be025d64c1f84138fe430a58875886e66aae767Winson Chung final int cellXY[] = mTmpXY; 787af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka pointToCellExact(x, y, cellXY); 78831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 789af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cell = null; 790af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellX = cellXY[0]; 791af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellY = cellXY[1]; 792af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanX = 1; 793af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanY = 1; 794af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 795af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka setTag(cellInfo); 796af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 79731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 798af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka @Override 799af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka public boolean onInterceptTouchEvent(MotionEvent ev) { 800c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen // First we clear the tag to ensure that on every touch down we start with a fresh slate, 801c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen // even in the case where we return early. Not clearing here was causing bugs whereby on 802c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen // long-press we'd end up picking up an item from a previous drag operation. 803c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen final int action = ev.getAction(); 804c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen 805c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen if (action == MotionEvent.ACTION_DOWN) { 806c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen clearTagCellInfo(); 807c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen } 808c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen 809dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka if (mInterceptTouchListener != null && mInterceptTouchListener.onTouch(this, ev)) { 810dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka return true; 811dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 81231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 813af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (action == MotionEvent.ACTION_DOWN) { 814af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka setTagToCellInfoForPoint((int) ev.getX(), (int) ev.getY()); 81531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 816eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung 81731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 81831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 81931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 820c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen private void clearTagCellInfo() { 821c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen final CellInfo cellInfo = mCellInfo; 822c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen cellInfo.cell = null; 823c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen cellInfo.cellX = -1; 824c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen cellInfo.cellY = -1; 825c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen cellInfo.spanX = 0; 826c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen cellInfo.spanY = 0; 827c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen setTag(cellInfo); 828c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen } 829c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen 83031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellInfo getTag() { 8310280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return (CellInfo) super.getTag(); 83231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 83331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8346569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 835aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Given a point, return the cell that strictly encloses that point 83631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x X coordinate of the point 83731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y Y coordinate of the point 83831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the cell 83931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 84031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void pointToCellExact(int x, int y, int[] result) { 8414b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int hStartPadding = getPaddingLeft(); 8424b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int vStartPadding = getPaddingTop(); 84331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 84431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[0] = (x - hStartPadding) / (mCellWidth + mWidthGap); 84531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[1] = (y - vStartPadding) / (mCellHeight + mHeightGap); 84631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 847d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int xAxis = mCountX; 848d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int yAxis = mCountY; 84931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 85031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[0] < 0) result[0] = 0; 85131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[0] >= xAxis) result[0] = xAxis - 1; 85231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[1] < 0) result[1] = 0; 85331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[1] >= yAxis) result[1] = yAxis - 1; 85431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 855aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 85631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 85731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Given a point, return the cell that most closely encloses that point 85831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x X coordinate of the point 85931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y Y coordinate of the point 86031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the cell 86131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 86231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void pointToCellRounded(int x, int y, int[] result) { 86331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project pointToCellExact(x + (mCellWidth / 2), y + (mCellHeight / 2), result); 86431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 86531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 86631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 86731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Given a cell coordinate, return the point that represents the upper left corner of that cell 868aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 869aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * @param cellX X coordinate of the cell 87031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellY Y coordinate of the cell 871aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 87231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the point 87331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 87431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void cellToPoint(int cellX, int cellY, int[] result) { 8754b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int hStartPadding = getPaddingLeft(); 8764b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int vStartPadding = getPaddingTop(); 87731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 87831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[0] = hStartPadding + cellX * (mCellWidth + mWidthGap); 87931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[1] = vStartPadding + cellY * (mCellHeight + mHeightGap); 88031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 88131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 882e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen /** 883482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * Given a cell coordinate, return the point that represents the center of the cell 884e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen * 885e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen * @param cellX X coordinate of the cell 886e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen * @param cellY Y coordinate of the cell 887e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen * 888e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen * @param result Array of 2 ints to hold the x and y coordinate of the point 889e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen */ 890e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen void cellToCenterPoint(int cellX, int cellY, int[] result) { 8914b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int hStartPadding = getPaddingLeft(); 8924b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int vStartPadding = getPaddingTop(); 893e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen 894e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen result[0] = hStartPadding + cellX * (mCellWidth + mWidthGap) + mCellWidth / 2; 895e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen result[1] = vStartPadding + cellY * (mCellHeight + mHeightGap) + mCellHeight / 2; 896e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen } 897e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen 898482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public float getDistanceFromCell(float x, float y, int[] cell) { 899482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen cellToCenterPoint(cell[0], cell[1], mTmpPoint); 900482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen float distance = (float) Math.sqrt( Math.pow(x - mTmpPoint[0], 2) + 901482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen Math.pow(y - mTmpPoint[1], 2)); 902482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return distance; 903482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 904482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 90584f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy int getCellWidth() { 90684f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy return mCellWidth; 90784f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 90884f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 90984f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy int getCellHeight() { 91084f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy return mCellHeight; 91184f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 91284f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 913d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen int getWidthGap() { 914d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen return mWidthGap; 915d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 916d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 917d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen int getHeightGap() { 918d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen return mHeightGap; 919d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 920d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 9217f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen Rect getContentRect(Rect r) { 9227f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen if (r == null) { 9237f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen r = new Rect(); 9247f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 9257f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen int left = getPaddingLeft(); 9267f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen int top = getPaddingTop(); 9274b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int right = left + getWidth() - mPaddingLeft - mPaddingRight; 9284b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int bottom = top + getHeight() - mPaddingTop - mPaddingBottom; 9297f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen r.set(left, top, right, bottom); 9307f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen return r; 9317f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 9327f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 93331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 93431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 93531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // TODO: currently ignoring padding 936aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 93731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec); 938aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec); 939aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 94031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec); 94131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int heightSpecSize = MeasureSpec.getSize(heightMeasureSpec); 942aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 94331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (widthSpecMode == MeasureSpec.UNSPECIFIED || heightSpecMode == MeasureSpec.UNSPECIFIED) { 94431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new RuntimeException("CellLayout cannot have UNSPECIFIED dimensions"); 94531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 94631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 947d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen int numWidthGaps = mCountX - 1; 948d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen int numHeightGaps = mCountY - 1; 949d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen 950234c4cd54406e363a2ebc213f6ae5be284414988Adam Cohen if (mOriginalWidthGap < 0 || mOriginalHeightGap < 0) { 9514b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int hSpace = widthSpecSize - mPaddingLeft - mPaddingRight; 9524b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int vSpace = heightSpecSize - mPaddingTop - mPaddingBottom; 9534b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int hFreeSpace = hSpace - (mCountX * mOriginalCellWidth); 9544b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int vFreeSpace = vSpace - (mCountY * mOriginalCellHeight); 9554b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mWidthGap = Math.min(mMaxGap, numWidthGaps > 0 ? (hFreeSpace / numWidthGaps) : 0); 9564b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mHeightGap = Math.min(mMaxGap,numHeightGaps > 0 ? (vFreeSpace / numHeightGaps) : 0); 9574b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mChildren.setCellDimensions(mCellWidth, mCellHeight, mWidthGap, mHeightGap); 958234c4cd54406e363a2ebc213f6ae5be284414988Adam Cohen } else { 959234c4cd54406e363a2ebc213f6ae5be284414988Adam Cohen mWidthGap = mOriginalWidthGap; 960234c4cd54406e363a2ebc213f6ae5be284414988Adam Cohen mHeightGap = mOriginalHeightGap; 961ece7f5b3b55cab646941123e03589241a61678e2Winson Chung } 9625f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 9638c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka // Initial values correspond to widthSpecMode == MeasureSpec.EXACTLY 9648c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka int newWidth = widthSpecSize; 9658c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka int newHeight = heightSpecSize; 9668c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka if (widthSpecMode == MeasureSpec.AT_MOST) { 9674b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung newWidth = mPaddingLeft + mPaddingRight + (mCountX * mCellWidth) + 9688c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka ((mCountX - 1) * mWidthGap); 9694b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung newHeight = mPaddingTop + mPaddingBottom + (mCountY * mCellHeight) + 9708c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka ((mCountY - 1) * mHeightGap); 9718c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka setMeasuredDimension(newWidth, newHeight); 9728c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka } 97331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 9748c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka int count = getChildCount(); 97531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 97631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = getChildAt(i); 9774b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int childWidthMeasureSpec = MeasureSpec.makeMeasureSpec(newWidth - mPaddingLeft - 9784b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mPaddingRight, MeasureSpec.EXACTLY); 9794b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int childheightMeasureSpec = MeasureSpec.makeMeasureSpec(newHeight - mPaddingTop - 9804b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mPaddingBottom, MeasureSpec.EXACTLY); 98131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.measure(childWidthMeasureSpec, childheightMeasureSpec); 98231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 9838c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka setMeasuredDimension(newWidth, newHeight); 98431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 98531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 98631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 98728750fba6a2d141eb9a1e566718c17236030b815Michael Jurka protected void onLayout(boolean changed, int l, int t, int r, int b) { 98831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = getChildCount(); 98931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 9908c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka View child = getChildAt(i); 9914b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung child.layout(mPaddingLeft, mPaddingTop, 9924b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung r - l - mPaddingRight, b - t - mPaddingBottom); 99331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 99431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 99531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 99631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 997dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka protected void onSizeChanged(int w, int h, int oldw, int oldh) { 998dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka super.onSizeChanged(w, h, oldw, oldh); 99918014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundRect.set(0, 0, w, h); 1000b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen mForegroundRect.set(mForegroundPadding, mForegroundPadding, 1001b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen w - 2 * mForegroundPadding, h - 2 * mForegroundPadding); 1002dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 1003dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 1004dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka @Override 100531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void setChildrenDrawingCacheEnabled(boolean enabled) { 10068c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.setChildrenDrawingCacheEnabled(enabled); 100731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 100831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 100931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 101031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void setChildrenDrawnWithCacheEnabled(boolean enabled) { 10118c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka mChildren.setChildrenDrawnWithCacheEnabled(enabled); 101231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 101331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 10145f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public float getBackgroundAlpha() { 10155f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka return mBackgroundAlpha; 1016dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 1017dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 10181b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen public void setBackgroundAlphaMultiplier(float multiplier) { 10191b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen mBackgroundAlphaMultiplier = multiplier; 10201b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen } 10211b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen 1022ddb821981e0919bbd3b4c9a2b6aa1811d6c86bb6Adam Cohen public float getBackgroundAlphaMultiplier() { 1023ddb821981e0919bbd3b4c9a2b6aa1811d6c86bb6Adam Cohen return mBackgroundAlphaMultiplier; 1024ddb821981e0919bbd3b4c9a2b6aa1811d6c86bb6Adam Cohen } 1025ddb821981e0919bbd3b4c9a2b6aa1811d6c86bb6Adam Cohen 10265f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public void setBackgroundAlpha(float alpha) { 1027afaa05014e0bf3ed1192f9ddec2af4283bc50248Michael Jurka if (mBackgroundAlpha != alpha) { 1028afaa05014e0bf3ed1192f9ddec2af4283bc50248Michael Jurka mBackgroundAlpha = alpha; 1029afaa05014e0bf3ed1192f9ddec2af4283bc50248Michael Jurka invalidate(); 1030afaa05014e0bf3ed1192f9ddec2af4283bc50248Michael Jurka } 1031dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 1032dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 10335f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // Need to return true to let the view system know we know how to handle alpha-- this is 10345f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // because when our children have an alpha of 0.0f, they are still rendering their "dimmed" 10355f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // versions 10365f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka @Override 10375f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka protected boolean onSetAlpha(int alpha) { 10385f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka return true; 10395f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } 10405f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 1041afaa05014e0bf3ed1192f9ddec2af4283bc50248Michael Jurka @Override 10425f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public void setAlpha(float alpha) { 10435f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka setChildrenAlpha(alpha); 10445f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka super.setAlpha(alpha); 10455f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } 10465f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 1047dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka private void setChildrenAlpha(float alpha) { 10480142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka final int childCount = getChildCount(); 10490142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka for (int i = 0; i < childCount; i++) { 1050dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka getChildAt(i).setAlpha(alpha); 1051dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 1052dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 1053dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 1054440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy public View getChildAt(int x, int y) { 10558c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka return mChildren.getChildAt(x, y); 1056440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy } 1057440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy 105876fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen public boolean animateChildToPosition(final View child, int cellX, int cellY, int duration, 1059482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int delay, boolean permanent, boolean adjustOccupied) { 1060bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen CellLayoutChildren clc = getChildrenLayout(); 1061482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean[][] occupied = mOccupied; 1062482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (!permanent) { 1063482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen occupied = mTmpOccupied; 1064482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1065482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1066482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (clc.indexOfChild(child) != -1 && !occupied[cellX][cellY]) { 1067bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen final LayoutParams lp = (LayoutParams) child.getLayoutParams(); 1068bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen final ItemInfo info = (ItemInfo) child.getTag(); 1069bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen 1070bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen // We cancel any existing animations 1071bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen if (mReorderAnimators.containsKey(lp)) { 1072bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen mReorderAnimators.get(lp).cancel(); 1073bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen mReorderAnimators.remove(lp); 1074bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1075bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen 1076482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen final int oldX = lp.x; 1077482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen final int oldY = lp.y; 1078482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (adjustOccupied) { 1079482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen occupied[lp.cellX][lp.cellY] = false; 1080482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen occupied[cellX][cellY] = true; 1081482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1082bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen lp.isLockedToGrid = true; 1083482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (permanent) { 1084482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.cellX = info.cellX = cellX; 1085482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.cellY = info.cellY = cellY; 1086482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } else { 1087482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.tmpCellX = cellX; 1088482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.tmpCellY = cellY; 1089482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1090bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen clc.setupLp(lp); 1091bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen lp.isLockedToGrid = false; 1092482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen final int newX = lp.x; 1093482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen final int newY = lp.y; 1094bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen 109576fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen lp.x = oldX; 109676fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen lp.y = oldY; 109776fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen 1098482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // Exit early if we're not actually moving the view 1099482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (oldX == newX && oldY == newY) { 1100482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.isLockedToGrid = true; 1101482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return true; 1102482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1103482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1104482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen ValueAnimator va = ValueAnimator.ofFloat(0f, 1f); 1105482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen va.setDuration(duration); 1106482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mReorderAnimators.put(lp, va); 1107482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1108482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen va.addUpdateListener(new AnimatorUpdateListener() { 1109482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen @Override 1110bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen public void onAnimationUpdate(ValueAnimator animation) { 1111482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen float r = ((Float) animation.getAnimatedValue()).floatValue(); 1112482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen child.setTranslationX(r * (newX - oldX)); 1113482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen child.setTranslationY(r * (newY - oldY)); 1114bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1115bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen }); 1116482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen va.addListener(new AnimatorListenerAdapter() { 1117bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen boolean cancelled = false; 1118bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen public void onAnimationEnd(Animator animation) { 1119bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen // If the animation was cancelled, it means that another animation 1120bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen // has interrupted this one, and we don't want to lock the item into 1121bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen // place just yet. 1122bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen if (!cancelled) { 1123482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen child.setTranslationX(0); 1124482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen child.setTranslationY(0); 1125bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen lp.isLockedToGrid = true; 1126482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen child.requestLayout(); 1127bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1128bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen if (mReorderAnimators.containsKey(lp)) { 1129bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen mReorderAnimators.remove(lp); 1130bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1131bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1132bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen public void onAnimationCancel(Animator animation) { 1133bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen cancelled = true; 1134bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1135bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen }); 1136482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen va.setStartDelay(delay); 1137482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen va.start(); 1138bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen return true; 1139bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1140bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen return false; 1141bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1142bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen 11436569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 11446569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * Estimate where the top left cell of the dragged item will land if it is dropped. 11456569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * 11466569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param originX The X value of the top left corner of the item 11476569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param originY The Y value of the top left corner of the item 11486569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param spanX The number of horizontal cells that the item spans 11496569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param spanY The number of vertical cells that the item spans 11506569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param result The estimated drop cell X and Y. 11516569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 11526569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy void estimateDropCell(int originX, int originY, int spanX, int spanY, int[] result) { 1153d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int countX = mCountX; 1154d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int countY = mCountY; 11556569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1156a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka // pointToCellRounded takes the top left of a cell but will pad that with 1157a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka // cellWidth/2 and cellHeight/2 when finding the matching cell 1158a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka pointToCellRounded(originX, originY, result); 11596569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 11606569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // If the item isn't fully on this screen, snap to the edges 11616569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy int rightOverhang = result[0] + spanX - countX; 11626569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (rightOverhang > 0) { 11636569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[0] -= rightOverhang; // Snap to right 11646569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 11656569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[0] = Math.max(0, result[0]); // Snap to left 11666569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy int bottomOverhang = result[1] + spanY - countY; 11676569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (bottomOverhang > 0) { 11686569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[1] -= bottomOverhang; // Snap to bottom 11696569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 11706569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[1] = Math.max(0, result[1]); // Snap to top 11716569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 11726569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1173482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen void visualizeDropLocation(View v, Bitmap dragOutline, int originX, int originY, int cellX, 1174482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int cellY, int spanX, int spanY, boolean resize, Point dragOffset, Rect dragRegion) { 117508ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy final int oldDragCellX = mDragCell[0]; 117608ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy final int oldDragCellY = mDragCell[1]; 1177482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1178b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung if (v != null && dragOffset == null) { 1179a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung mDragCenter.set(originX + (v.getWidth() / 2), originY + (v.getHeight() / 2)); 1180a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung } else { 1181a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung mDragCenter.set(originX, originY); 1182a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung } 11836569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 11842801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen if (dragOutline == null && v == null) { 11852801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen if (mCrosshairsDrawable != null) { 11862801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen invalidate(); 11872801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 11882801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen return; 11892801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 11902801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen 1191482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (cellX != oldDragCellX || cellY != oldDragCellY) { 1192482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mDragCell[0] = cellX; 1193482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mDragCell[1] = cellY; 11946569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // Find the top left corner of the rect the object will occupy 1195de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int[] topLeft = mTmpPoint; 1196482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen cellToPoint(cellX, cellY, topLeft); 1197de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 11984be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato int left = topLeft[0]; 11994be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato int top = topLeft[1]; 12006569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1201b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung if (v != null && dragOffset == null) { 120299e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen // When drawing the drag outline, it did not account for margin offsets 120399e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen // added by the view's parent. 120499e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen MarginLayoutParams lp = (MarginLayoutParams) v.getLayoutParams(); 120599e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen left += lp.leftMargin; 120699e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen top += lp.topMargin; 120799e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen 120899e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen // Offsets due to the size difference between the View and the dragOutline. 120999e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen // There is a size difference to account for the outer blur, which may lie 121099e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen // outside the bounds of the view. 1211a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung top += (v.getHeight() - dragOutline.getHeight()) / 2; 1212ae915cecd36af4973061a1cb0b58c5be1be699a0Adam Cohen // We center about the x axis 1213ae915cecd36af4973061a1cb0b58c5be1be699a0Adam Cohen left += ((mCellWidth * spanX) + ((spanX - 1) * mWidthGap) 1214ae915cecd36af4973061a1cb0b58c5be1be699a0Adam Cohen - dragOutline.getWidth()) / 2; 12156639687cd67bab1aeef2a75e5c6bc458b20dc082Adam Cohen } else { 1216b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung if (dragOffset != null && dragRegion != null) { 1217b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung // Center the drag region *horizontally* in the cell and apply a drag 1218b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung // outline offset 1219b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung left += dragOffset.x + ((mCellWidth * spanX) + ((spanX - 1) * mWidthGap) 1220b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung - dragRegion.width()) / 2; 1221b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung top += dragOffset.y; 1222b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung } else { 1223b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung // Center the drag outline in the cell 1224b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung left += ((mCellWidth * spanX) + ((spanX - 1) * mWidthGap) 1225b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung - dragOutline.getWidth()) / 2; 1226b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung top += ((mCellHeight * spanY) + ((spanY - 1) * mHeightGap) 1227b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung - dragOutline.getHeight()) / 2; 1228b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung } 1229a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung } 12304be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int oldIndex = mDragOutlineCurrent; 123108ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[oldIndex].animateOut(); 123208ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineCurrent = (oldIndex + 1) % mDragOutlines.length; 1233d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen Rect r = mDragOutlines[mDragOutlineCurrent]; 1234d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen r.set(left, top, left + dragOutline.getWidth(), top + dragOutline.getHeight()); 1235d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (resize) { 1236482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen cellToRect(cellX, cellY, spanX, spanY, r); 1237d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1238150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 123908ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[mDragOutlineCurrent].setTag(dragOutline); 124008ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[mDragOutlineCurrent].animateIn(); 12416569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 124249250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy 124349250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy // If we are drawing crosshairs, the entire CellLayout needs to be invalidated 124449250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy if (mCrosshairsDrawable != null) { 124549250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy invalidate(); 124649250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy } 12476569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 12486569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1249e0310965022e7a1adb7ad489505d404186608689Adam Cohen public void clearDragOutlines() { 1250e0310965022e7a1adb7ad489505d404186608689Adam Cohen final int oldIndex = mDragOutlineCurrent; 1251e0310965022e7a1adb7ad489505d404186608689Adam Cohen mDragOutlineAnims[oldIndex].animateOut(); 1252d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen mDragCell[0] = mDragCell[1] = -1; 1253e0310965022e7a1adb7ad489505d404186608689Adam Cohen } 1254e0310965022e7a1adb7ad489505d404186608689Adam Cohen 125531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 125670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Find a vacant area that will fit the given bounds nearest the requested 125770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * cell location. Uses Euclidean distance to score multiple vacant areas. 1258aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 125951afc022fa76c79f0d1ece470ddc126c08fea8a4Romain Guy * @param pixelX The X location at which you want to search for a vacant area. 126051afc022fa76c79f0d1ece470ddc126c08fea8a4Romain Guy * @param pixelY The Y location at which you want to search for a vacant area. 126170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @param spanX Horizontal span of the object. 126270864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @param spanY Vertical span of the object. 1263de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * @param result Array in which to place the result, or null (in which case a new array will 1264de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * be allocated) 126570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @return The X, Y cell of a vacant area that can contain this object, 126670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * nearest the requested location. 126731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 1268d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen int[] findNearestVacantArea(int pixelX, int pixelY, int spanX, int spanY, 1269d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen int[] result) { 1270de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy return findNearestVacantArea(pixelX, pixelY, spanX, spanY, null, result); 12716a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka } 1272aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 12736a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka /** 12746a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * Find a vacant area that will fit the given bounds nearest the requested 12756a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * cell location. Uses Euclidean distance to score multiple vacant areas. 12766a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * 12776a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param pixelX The X location at which you want to search for a vacant area. 12786a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param pixelY The Y location at which you want to search for a vacant area. 1279d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param minSpanX The minimum horizontal span required 1280d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param minSpanY The minimum vertical span required 1281d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param spanX Horizontal span of the object. 1282d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param spanY Vertical span of the object. 1283d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param result Array in which to place the result, or null (in which case a new array will 1284d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * be allocated) 1285d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @return The X, Y cell of a vacant area that can contain this object, 1286d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * nearest the requested location. 1287d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen */ 1288d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen int[] findNearestVacantArea(int pixelX, int pixelY, int minSpanX, int minSpanY, int spanX, 1289d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen int spanY, int[] result, int[] resultSpan) { 1290d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen return findNearestVacantArea(pixelX, pixelY, minSpanX, minSpanY, spanX, spanY, null, 1291d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen result, resultSpan); 1292d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1293d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen 1294d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen /** 1295d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * Find a vacant area that will fit the given bounds nearest the requested 1296d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * cell location. Uses Euclidean distance to score multiple vacant areas. 1297d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * 1298d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param pixelX The X location at which you want to search for a vacant area. 1299d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param pixelY The Y location at which you want to search for a vacant area. 13006a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param spanX Horizontal span of the object. 13016a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param spanY Vertical span of the object. 1302df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param ignoreOccupied If true, the result can be an occupied cell 1303df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param result Array in which to place the result, or null (in which case a new array will 1304df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * be allocated) 13056a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @return The X, Y cell of a vacant area that can contain this object, 13066a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * nearest the requested location. 13076a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka */ 1308df0353815c629fc678824b07a234b89a1ff94208Adam Cohen int[] findNearestArea(int pixelX, int pixelY, int spanX, int spanY, View ignoreView, 1309df0353815c629fc678824b07a234b89a1ff94208Adam Cohen boolean ignoreOccupied, int[] result) { 1310d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen return findNearestArea(pixelX, pixelY, spanX, spanY, 1311482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen spanX, spanY, ignoreView, ignoreOccupied, result, null, mOccupied); 1312d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1313d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen 1314d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen private final Stack<Rect> mTempRectStack = new Stack<Rect>(); 1315d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen private void lazyInitTempRectStack() { 1316d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (mTempRectStack.isEmpty()) { 1317d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen for (int i = 0; i < mCountX * mCountY; i++) { 1318d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen mTempRectStack.push(new Rect()); 1319d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1320d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1321d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1322482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1323d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen private void recycleTempRects(Stack<Rect> used) { 1324d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen while (!used.isEmpty()) { 1325d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen mTempRectStack.push(used.pop()); 1326d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1327d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1328d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen 1329d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen /** 1330d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * Find a vacant area that will fit the given bounds nearest the requested 1331d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * cell location. Uses Euclidean distance to score multiple vacant areas. 1332d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * 1333d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param pixelX The X location at which you want to search for a vacant area. 1334d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param pixelY The Y location at which you want to search for a vacant area. 1335d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param minSpanX The minimum horizontal span required 1336d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param minSpanY The minimum vertical span required 1337d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param spanX Horizontal span of the object. 1338d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param spanY Vertical span of the object. 1339d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param ignoreOccupied If true, the result can be an occupied cell 1340d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param result Array in which to place the result, or null (in which case a new array will 1341d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * be allocated) 1342d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @return The X, Y cell of a vacant area that can contain this object, 1343d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * nearest the requested location. 1344d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen */ 1345d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen int[] findNearestArea(int pixelX, int pixelY, int minSpanX, int minSpanY, int spanX, int spanY, 1346482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen View ignoreView, boolean ignoreOccupied, int[] result, int[] resultSpan, 1347482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean[][] occupied) { 1348d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen lazyInitTempRectStack(); 1349c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // mark space take by ignoreView as available (method checks if ignoreView is null) 1350482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsAsUnoccupiedForView(ignoreView, occupied); 1351c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka 1352e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen // For items with a spanX / spanY > 1, the passed in point (pixelX, pixelY) corresponds 1353e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen // to the center of the item, but we are searching based on the top-left cell, so 1354e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen // we translate the point over to correspond to the top-left. 1355e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen pixelX -= (mCellWidth + mWidthGap) * (spanX - 1) / 2f; 1356e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen pixelY -= (mCellHeight + mHeightGap) * (spanY - 1) / 2f; 1357e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen 135870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Keep track of best-scoring drop area 1359de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int[] bestXY = result != null ? result : new int[2]; 136070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey double bestDistance = Double.MAX_VALUE; 1361d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen final Rect bestRect = new Rect(-1, -1, -1, -1); 1362d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen final Stack<Rect> validRegions = new Stack<Rect>(); 1363aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1364de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countX = mCountX; 1365de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countY = mCountY; 1366de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 1367d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (minSpanX <= 0 || minSpanY <= 0 || spanX <= 0 || spanY <= 0 || 1368d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen spanX < minSpanX || spanY < minSpanY) { 1369d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen return bestXY; 1370d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1371d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen 1372d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen for (int y = 0; y < countY - (minSpanY - 1); y++) { 1373c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka inner: 1374d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen for (int x = 0; x < countX - (minSpanX - 1); x++) { 1375d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen int ySize = -1; 1376d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen int xSize = -1; 1377df0353815c629fc678824b07a234b89a1ff94208Adam Cohen if (ignoreOccupied) { 1378d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen // First, let's see if this thing fits anywhere 1379d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen for (int i = 0; i < minSpanX; i++) { 1380d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen for (int j = 0; j < minSpanY; j++) { 1381df0353815c629fc678824b07a234b89a1ff94208Adam Cohen if (occupied[x + i][y + j]) { 1382df0353815c629fc678824b07a234b89a1ff94208Adam Cohen continue inner; 1383df0353815c629fc678824b07a234b89a1ff94208Adam Cohen } 1384c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 1385c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 1386d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen xSize = minSpanX; 1387d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen ySize = minSpanY; 1388d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen 1389d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen // We know that the item will fit at _some_ acceptable size, now let's see 1390d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen // how big we can make it. We'll alternate between incrementing x and y spans 1391d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen // until we hit a limit. 1392d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen boolean incX = true; 1393d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen boolean hitMaxX = xSize >= spanX; 1394d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen boolean hitMaxY = ySize >= spanY; 1395d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen while (!(hitMaxX && hitMaxY)) { 1396d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (incX && !hitMaxX) { 1397d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen for (int j = 0; j < ySize; j++) { 1398d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (x + xSize > countX -1 || occupied[x + xSize][y + j]) { 1399d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen // We can't move out horizontally 1400d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen hitMaxX = true; 1401d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1402d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1403d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (!hitMaxX) { 1404d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen xSize++; 1405d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1406d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } else if (!hitMaxY) { 1407d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen for (int i = 0; i < xSize; i++) { 1408d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (y + ySize > countY - 1 || occupied[x + i][y + ySize]) { 1409d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen // We can't move out vertically 1410d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen hitMaxY = true; 1411d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1412d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1413d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (!hitMaxY) { 1414d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen ySize++; 1415d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1416d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1417d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen hitMaxX |= xSize >= spanX; 1418d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen hitMaxY |= ySize >= spanY; 1419d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen incX = !incX; 1420d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1421d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen incX = true; 1422d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen hitMaxX = xSize >= spanX; 1423d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen hitMaxY = ySize >= spanY; 1424c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 14250be025d64c1f84138fe430a58875886e66aae767Winson Chung final int[] cellXY = mTmpXY; 1426e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen cellToCenterPoint(x, y, cellXY); 1427c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka 1428d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen // We verify that the current rect is not a sub-rect of any of our previous 1429d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen // candidates. In this case, the current rect is disqualified in favour of the 1430d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen // containing rect. 1431d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen Rect currentRect = mTempRectStack.pop(); 1432d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen currentRect.set(x, y, x + xSize, y + ySize); 1433d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen boolean contained = false; 1434d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen for (Rect r : validRegions) { 1435d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (r.contains(currentRect)) { 1436d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen contained = true; 1437d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen break; 1438d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1439d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1440d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen validRegions.push(currentRect); 1441c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka double distance = Math.sqrt(Math.pow(cellXY[0] - pixelX, 2) 1442c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka + Math.pow(cellXY[1] - pixelY, 2)); 1443482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1444d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if ((distance <= bestDistance && !contained) || 1445d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen currentRect.contains(bestRect)) { 1446c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestDistance = distance; 1447c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestXY[0] = x; 1448c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestXY[1] = y; 1449d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (resultSpan != null) { 1450d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen resultSpan[0] = xSize; 1451d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen resultSpan[1] = ySize; 1452d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1453d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen bestRect.set(currentRect); 1454c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 145531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 145631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1457c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // re-mark space taken by ignoreView as occupied 1458482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsAsOccupiedForView(ignoreView, occupied); 145931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1460c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen // Return -1, -1 if no suitable location found 1461c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen if (bestDistance == Double.MAX_VALUE) { 1462c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen bestXY[0] = -1; 1463c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen bestXY[1] = -1; 146470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 1465d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen recycleTempRects(validRegions); 1466c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen return bestXY; 146731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1468aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1469482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen /** 1470482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * Find a vacant area that will fit the given bounds nearest the requested 1471482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * cell location, and will also weigh in a suggested direction vector of the 1472482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * desired location. This method computers distance based on unit grid distances, 1473482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * not pixel distances. 1474482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * 1475482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * @param pixelX The X location at which you want to search for a vacant area. 1476482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * @param pixelY The Y location at which you want to search for a vacant area. 1477482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * @param minSpanX The minimum horizontal span required 1478482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * @param minSpanY The minimum vertical span required 1479482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * @param spanX Horizontal span of the object. 1480482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * @param spanY Vertical span of the object. 1481482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * @param ignoreOccupied If true, the result can be an occupied cell 1482482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * @param result Array in which to place the result, or null (in which case a new array will 1483482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * be allocated) 1484482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * @return The X, Y cell of a vacant area that can contain this object, 1485482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * nearest the requested location. 1486482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen */ 1487482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private int[] findNearestArea(int cellX, int cellY, int spanX, int spanY, int[] direction, 1488482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean[][] occupied, int[] result) { 1489482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // Keep track of best-scoring drop area 1490482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen final int[] bestXY = result != null ? result : new int[2]; 1491482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen float bestDistance = Float.MAX_VALUE; 1492482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int bestDirectionScore = Integer.MIN_VALUE; 1493482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1494482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen final int countX = mCountX; 1495482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen final int countY = mCountY; 1496482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1497482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int y = 0; y < countY - (spanY - 1); y++) { 1498482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen inner: 1499482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int x = 0; x < countX - (spanX - 1); x++) { 1500482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // First, let's see if this thing fits anywhere 1501482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < spanX; i++) { 1502482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int j = 0; j < spanY; j++) { 1503482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (occupied[x + i][y + j]) { 1504482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen continue inner; 1505482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1506482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1507482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1508482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1509482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen float distance = (float) 1510482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen Math.sqrt((x - cellX) * (x - cellX) + (y - cellY) * (y - cellY)); 1511482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int[] curDirection = mTmpPoint; 1512482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen computeDirectionVector(cellX, cellY, x, y, curDirection); 1513482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int curDirectionScore = direction[0] * curDirection[0] + 1514482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen direction[1] * curDirection[1]; 1515482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1516482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (Float.compare(distance, bestDistance) < 0 || (Float.compare(distance, 1517482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen bestDistance) == 0 && curDirectionScore > bestDirectionScore)) { 1518482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen bestDistance = distance; 1519482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen bestDirectionScore = curDirectionScore; 1520482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen bestXY[0] = x; 1521482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen bestXY[1] = y; 1522482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1523482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1524482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1525482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1526482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // Return -1, -1 if no suitable location found 1527482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (bestDistance == Float.MAX_VALUE) { 1528482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen bestXY[0] = -1; 1529482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen bestXY[1] = -1; 1530482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1531482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return bestXY; 1532482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1533482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1534482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private boolean addViewToTempLocation(View v, Rect rectOccupiedByPotentialDrop, 1535482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int[] direction) { 1536482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen LayoutParams lp = (LayoutParams) v.getLayoutParams(); 1537482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean success = false; 1538482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForView(lp.tmpCellX, lp.tmpCellY, lp.cellHSpan, 1539482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.cellVSpan, mTmpOccupied, false); 1540482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForRect(rectOccupiedByPotentialDrop, mTmpOccupied, true); 1541482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1542482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen findNearestArea(lp.tmpCellX, lp.tmpCellY, lp.cellHSpan, lp.cellVSpan, 1543482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen direction, mTmpOccupied, mTempLocation); 1544482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1545482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (mTempLocation[0] >= 0 && mTempLocation[1] >= 0) { 1546482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.tmpCellX = mTempLocation[0]; 1547482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.tmpCellY = mTempLocation[1]; 1548482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen success = true; 1549482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1550482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1551482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForView(lp.tmpCellX, lp.tmpCellY, lp.cellHSpan, 1552482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.cellVSpan, mTmpOccupied, true); 1553482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return success; 1554482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1555482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1556482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private boolean addViewsToTempLocation(ArrayList<View> views, Rect rectOccupiedByPotentialDrop, 1557482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int[] direction) { 1558482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (views.size() == 0) return true; 1559482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean success = false; 1560482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1561482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // We construct a rect which represents the entire group of views 1562482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen Rect boundingRect = null; 1563482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (View v: views) { 1564482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen LayoutParams lp = (LayoutParams) v.getLayoutParams(); 1565482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForView(lp.tmpCellX, lp.tmpCellY, lp.cellHSpan, 1566482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.cellVSpan, mTmpOccupied, false); 1567482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (boundingRect == null) { 1568482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boundingRect = new Rect(lp.tmpCellX, lp.tmpCellY, lp.tmpCellX + lp.cellHSpan, 1569482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.tmpCellY + lp.cellVSpan); 1570482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } else { 1571482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boundingRect.union(lp.tmpCellX, lp.tmpCellY, lp.tmpCellX + lp.cellHSpan, 1572482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.tmpCellY + lp.cellVSpan); 1573482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1574482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1575482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForRect(rectOccupiedByPotentialDrop, mTmpOccupied, true); 1576482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1577482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // TODO: this bounding rect may not be completely filled, lets be more precise about this 1578482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // check. 1579482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen findNearestArea(boundingRect.left, boundingRect.top, boundingRect.width(), boundingRect.height(), 1580482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen direction, mTmpOccupied, mTempLocation); 1581482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1582482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int deltaX = mTempLocation[0] - boundingRect.left; 1583482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int deltaY = mTempLocation[1] - boundingRect.top; 1584482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (mTempLocation[0] >= 0 && mTempLocation[1] >= 0) { 1585482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (View v: views) { 1586482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen LayoutParams lp = (LayoutParams) v.getLayoutParams(); 1587482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.tmpCellX += deltaX; 1588482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.tmpCellY += deltaY; 1589482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1590482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen success = true; 1591482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1592482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (View v: views) { 1593482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen LayoutParams lp = (LayoutParams) v.getLayoutParams(); 1594482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForView(lp.tmpCellX, lp.tmpCellY, lp.cellHSpan, 1595482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.cellVSpan, mTmpOccupied, true); 1596482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1597482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return success; 1598482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1599482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1600482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private void markCellsForRect(Rect r, boolean[][] occupied, boolean value) { 1601482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForView(r.left, r.top, r.width(), r.height(), occupied, value); 1602482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1603482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1604482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private boolean rearrangementExists(int cellX, int cellY, int spanX, int spanY, int[] direction, 1605482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen View ignoreView) { 1606482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mIntersectingViews.clear(); 1607482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1608482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mOccupiedRect.set(cellX, cellY, cellX + spanX, cellY + spanY); 1609482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForRect(mOccupiedRect, mTmpOccupied, true); 1610482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1611482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (ignoreView != null) { 1612482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen LayoutParams lp = (LayoutParams) ignoreView.getLayoutParams(); 1613482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.tmpCellX = cellX; 1614482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.tmpCellY = cellY; 1615482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1616482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1617482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int childCount = mChildren.getChildCount(); 1618482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen Rect r0 = new Rect(cellX, cellY, cellX + spanX, cellY + spanY); 1619482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen Rect r1 = new Rect(); 1620482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < childCount; i++) { 1621482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen View child = mChildren.getChildAt(i); 1622482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (child == ignoreView) continue; 1623482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen LayoutParams lp = (LayoutParams) child.getLayoutParams(); 1624482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen r1.set(lp.cellX, lp.cellY, lp.cellX + lp.cellHSpan, lp.cellY + lp.cellVSpan); 1625482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (Rect.intersects(r0, r1)) { 1626482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (!lp.canReorder) { 1627482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return false; 1628482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1629482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mIntersectingViews.add(child); 1630482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1631482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1632482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // First we try moving the views as a block 1633482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (addViewsToTempLocation(mIntersectingViews, mOccupiedRect, direction)) { 1634482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return true; 1635482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1636482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // Ok, they couldn't move as a block, let's move them individually 1637482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (View v : mIntersectingViews) { 1638482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (!addViewToTempLocation(v, mOccupiedRect, direction)) { 1639482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return false; 1640482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1641482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1642482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return true; 1643482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1644482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1645482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen /* 1646482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * Returns a pair (x, y), where x,y are in {-1, 0, 1} corresponding to vector between 1647482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * the provided point and the provided cell 1648482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen */ 1649482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private void computeDirectionVector(int x0, int y0, int x1, int y1, int[] result) { 1650482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int deltaX = x1 - x0; 1651482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int deltaY = y1 - y0; 1652482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1653482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen double angle = Math.atan(((float) deltaY) / deltaX); 1654482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1655482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result[0] = 0; 1656482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result[1] = 0; 1657482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (Math.abs(Math.cos(angle)) > 0.5f) { 1658482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result[0] = (int) Math.signum(deltaX); 1659482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1660482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (Math.abs(Math.sin(angle)) > 0.5f) { 1661482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result[1] = (int) Math.signum(deltaY); 1662482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1663482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1664482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1665482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen ItemConfiguration simpleSwap(int pixelX, int pixelY, int minSpanX, int minSpanY, int spanX, 1666482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int spanY, int[] direction, View dragView, boolean decX, ItemConfiguration solution) { 1667482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // This creates a copy of the current occupied array, omitting the current view being 1668482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // dragged 1669482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen resetTempLayoutToCurrent(dragView); 1670482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1671482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // We find the nearest cell into which we would place the dragged item, assuming there's 1672482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // nothing in its way. 1673482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int result[] = new int[2]; 1674482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result = findNearestArea(pixelX, pixelY, spanX, spanY, result); 1675482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1676482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean success = false; 1677482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // First we try the exact nearest position of the item being dragged, 1678482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // we will then want to try to move this around to other neighbouring positions 1679482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen success = rearrangementExists(result[0], result[1], spanX, spanY, direction, dragView); 1680482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1681482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (!success) { 1682482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // We try shrinking the widget down to size in an alternating pattern, shrink 1 in 1683482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // x, then 1 in y etc. 1684482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (spanX > minSpanX && (minSpanY == spanY || decX)) { 1685482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return simpleSwap(pixelX, pixelY, minSpanX, minSpanY, spanX - 1, spanY, direction, 1686482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen dragView, false, solution); 1687482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } else if (spanY > minSpanY) { 1688482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return simpleSwap(pixelX, pixelY, minSpanX, minSpanY, spanX, spanY - 1, direction, 1689482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen dragView, true, solution); 1690482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1691482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.isSolution = false; 1692482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } else { 1693482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.isSolution = true; 1694482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewX = result[0]; 1695482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewY = result[1]; 1696482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewSpanX = spanX; 1697482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewSpanY = spanY; 1698482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen copyCurrentStateToSolution(solution, true); 1699482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1700482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return solution; 1701482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1702482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1703482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private void copyCurrentStateToSolution(ItemConfiguration solution, boolean temp) { 1704482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int childCount = mChildren.getChildCount(); 1705482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < childCount; i++) { 1706482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen View child = mChildren.getChildAt(i); 1707482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen LayoutParams lp = (LayoutParams) child.getLayoutParams(); 1708482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen Point p; 1709482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (temp) { 1710482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen p = new Point(lp.tmpCellX, lp.tmpCellY); 1711482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } else { 1712482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen p = new Point(lp.cellX, lp.cellY); 1713482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1714482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.map.put(child, p); 1715482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1716482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1717482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1718482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private void copySolutionToTempState(ItemConfiguration solution, View dragView) { 1719482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < mCountX; i++) { 1720482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int j = 0; j < mCountY; j++) { 1721482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mTmpOccupied[i][j] = false; 1722482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1723482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1724482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1725482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int childCount = mChildren.getChildCount(); 1726482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < childCount; i++) { 1727482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen View child = mChildren.getChildAt(i); 1728482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (child == dragView) continue; 1729482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen LayoutParams lp = (LayoutParams) child.getLayoutParams(); 1730482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen Point p = solution.map.get(child); 1731482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (p != null) { 1732482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.tmpCellX = p.x; 1733482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.tmpCellY = p.y; 1734482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForView(lp.tmpCellX, lp.tmpCellY, lp.cellHSpan, lp.cellVSpan, 1735482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mTmpOccupied, true); 1736482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1737482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1738482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForView(solution.dragViewX, solution.dragViewY, solution.dragViewSpanX, 1739482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewSpanY, mTmpOccupied, true); 1740482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1741482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1742482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private void animateItemsToSolution(ItemConfiguration solution, View dragView, boolean 1743482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen commitDragView) { 1744482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1745482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean[][] occupied = DESTRUCTIVE_REORDER ? mOccupied : mTmpOccupied; 1746482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < mCountX; i++) { 1747482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int j = 0; j < mCountY; j++) { 1748482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen occupied[i][j] = false; 1749482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1750482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1751482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1752482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int childCount = mChildren.getChildCount(); 1753482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < childCount; i++) { 1754482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen View child = mChildren.getChildAt(i); 1755482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (child == dragView) continue; 1756482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen LayoutParams lp = (LayoutParams) child.getLayoutParams(); 1757482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen Point p = solution.map.get(child); 1758482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (p != null) { 1759482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (lp.cellX != p.x || lp.cellY != p.y) { 1760482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen animateChildToPosition(child, p.x, p.y, 150, 0, DESTRUCTIVE_REORDER, false); 1761482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1762482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForView(p.x, p.y, lp.cellHSpan, lp.cellVSpan, occupied, true); 1763482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1764482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1765482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (commitDragView) { 1766482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForView(solution.dragViewX, solution.dragViewY, solution.dragViewSpanX, 1767482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewSpanY, occupied, true); 1768482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1769482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1770482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1771482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private void commitTempPlacement() { 1772482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < mCountX; i++) { 1773482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int j = 0; j < mCountY; j++) { 1774482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mOccupied[i][j] = mTmpOccupied[i][j]; 1775482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1776482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1777482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int childCount = mChildren.getChildCount(); 1778482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < childCount; i++) { 1779482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen LayoutParams lp = (LayoutParams) mChildren.getChildAt(i).getLayoutParams(); 1780482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.cellX = lp.tmpCellX; 1781482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.cellY = lp.tmpCellY; 1782482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1783482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1784482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1785482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public void setUseTempCoords(boolean useTempCoords) { 1786482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int childCount = mChildren.getChildCount(); 1787482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < childCount; i++) { 1788482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen LayoutParams lp = (LayoutParams) mChildren.getChildAt(i).getLayoutParams(); 1789482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.useTmpCoords = useTempCoords; 1790482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1791482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1792482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1793482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private void resetTempLayoutToCurrent(View ignoreView) { 1794482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < mCountX; i++) { 1795482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int j = 0; j < mCountY; j++) { 1796482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mTmpOccupied[i][j] = mOccupied[i][j]; 1797482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1798482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1799482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int childCount = mChildren.getChildCount(); 1800482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < childCount; i++) { 1801482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen View child = mChildren.getChildAt(i); 1802482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (child == ignoreView) continue; 1803482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen LayoutParams lp = (LayoutParams) child.getLayoutParams(); 1804482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.tmpCellX = lp.cellX; 1805482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.tmpCellY = lp.cellY; 1806482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1807482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1808482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1809482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen ItemConfiguration findConfigurationNoShuffle(int pixelX, int pixelY, int minSpanX, int minSpanY, 1810482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int spanX, int spanY, View dragView, ItemConfiguration solution) { 1811482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int[] result = new int[2]; 1812482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int[] resultSpan = new int[2]; 1813482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen findNearestVacantArea(pixelX, pixelY, minSpanX, minSpanY, spanX, spanY, null, result, 1814482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen resultSpan); 1815482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (result[0] >= 0 && result[1] >= 0) { 1816482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen copyCurrentStateToSolution(solution, false); 1817482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewX = result[0]; 1818482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewY = result[1]; 1819482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewSpanX = resultSpan[0]; 1820482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewSpanY = resultSpan[1]; 1821482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.isSolution = true; 1822482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } else { 1823482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.isSolution = false; 1824482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1825482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return solution; 1826482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1827482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1828482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public void prepareChildForDrag(View child) { 1829482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsAsUnoccupiedForView(child); 1830482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen LayoutParams lp = (LayoutParams) child.getLayoutParams(); 1831482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.cellX = -1; 1832482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.cellY = -1; 1833482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1834482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1835482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1836482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int[] createArea(int pixelX, int pixelY, int minSpanX, int minSpanY, int spanX, int spanY, 1837482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen View dragView, int[] result, int resultSpan[], int mode) { 1838482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1839482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // First we determine if things have moved enough to cause a different layout 1840482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result = findNearestArea(pixelX, pixelY, 1, 1, result); 1841482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1842482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (resultSpan == null) { 1843482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen resultSpan = new int[2]; 1844482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1845482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1846482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // We attempt the first algorithm 1847482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen cellToCenterPoint(result[0], result[1], mTmpPoint); 1848482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen computeDirectionVector(pixelX, pixelY, mTmpPoint[0], mTmpPoint[1], mDirectionVector); 1849482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen ItemConfiguration swapSolution = simpleSwap(pixelX, pixelY, minSpanX, minSpanY, 1850482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen spanX, spanY, mDirectionVector, dragView, true, new ItemConfiguration()); 1851482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1852482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // We attempt the approach which doesn't shuffle views at all 1853482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen ItemConfiguration noShuffleSolution = findConfigurationNoShuffle(pixelX, pixelY, minSpanX, 1854482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen minSpanY, spanX, spanY, dragView, new ItemConfiguration()); 1855482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1856482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen ItemConfiguration finalSolution = null; 1857482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (swapSolution.isSolution && swapSolution.area() >= noShuffleSolution.area()) { 1858482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen finalSolution = swapSolution; 1859482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } else if (noShuffleSolution.isSolution) { 1860482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen finalSolution = noShuffleSolution; 1861482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1862482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1863482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean foundSolution = true; 1864482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (!DESTRUCTIVE_REORDER) { 1865482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen setUseTempCoords(true); 1866482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1867482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1868482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (finalSolution != null) { 1869482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result[0] = finalSolution.dragViewX; 1870482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result[1] = finalSolution.dragViewY; 1871482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen resultSpan[0] = finalSolution.dragViewSpanX; 1872482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen resultSpan[1] = finalSolution.dragViewSpanY; 1873482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1874482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // If we're just testing for a possible location (MODE_ACCEPT_DROP), we don't bother 1875482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // committing anything or animating anything as we just want to determine if a solution 1876482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // exists 1877482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (mode == MODE_DRAG_OVER || mode == MODE_ON_DROP || mode == MODE_ON_DROP_EXTERNAL) { 1878482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (!DESTRUCTIVE_REORDER) { 1879482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen copySolutionToTempState(finalSolution, dragView); 1880482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1881482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen setItemPlacementDirty(true); 1882482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen animateItemsToSolution(finalSolution, dragView, mode == MODE_ON_DROP); 1883482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1884482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (!DESTRUCTIVE_REORDER && mode == MODE_ON_DROP) { 1885482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen commitTempPlacement(); 1886482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1887482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1888482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } else { 1889482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen foundSolution = false; 1890482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result[0] = result[1] = resultSpan[0] = resultSpan[1] = -1; 1891482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1892482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1893482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if ((mode == MODE_ON_DROP || !foundSolution) && !DESTRUCTIVE_REORDER) { 1894482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen setUseTempCoords(false); 1895482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1896482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean[][] occupied = mOccupied; 1897482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1898482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mChildren.requestLayout(); 1899482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return result; 1900482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1901482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1902482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public boolean isItemPlacementDirty() { 1903482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return mItemLocationsDirty; 1904482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1905482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1906482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public void setItemPlacementDirty(boolean dirty) { 1907482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mItemLocationsDirty = dirty; 1908482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1909482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1910482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private class ItemConfiguration { 1911482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen HashMap<View, Point> map = new HashMap<View, Point>(); 1912482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean isSolution = false; 1913482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int dragViewX, dragViewY, dragViewSpanX, dragViewSpanY; 1914482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1915482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int area() { 1916482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return dragViewSpanX * dragViewSpanY; 1917482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1918482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen void clear() { 1919482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen map.clear(); 1920482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen isSolution = false; 1921482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1922482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1923482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1924df0353815c629fc678824b07a234b89a1ff94208Adam Cohen /** 1925df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * Find a vacant area that will fit the given bounds nearest the requested 1926df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * cell location. Uses Euclidean distance to score multiple vacant areas. 1927df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * 1928df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param pixelX The X location at which you want to search for a vacant area. 1929df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param pixelY The Y location at which you want to search for a vacant area. 1930df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param spanX Horizontal span of the object. 1931df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param spanY Vertical span of the object. 1932df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param ignoreView Considers space occupied by this view as unoccupied 1933df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param result Previously returned value to possibly recycle. 1934df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @return The X, Y cell of a vacant area that can contain this object, 1935df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * nearest the requested location. 1936df0353815c629fc678824b07a234b89a1ff94208Adam Cohen */ 1937df0353815c629fc678824b07a234b89a1ff94208Adam Cohen int[] findNearestVacantArea( 1938df0353815c629fc678824b07a234b89a1ff94208Adam Cohen int pixelX, int pixelY, int spanX, int spanY, View ignoreView, int[] result) { 1939df0353815c629fc678824b07a234b89a1ff94208Adam Cohen return findNearestArea(pixelX, pixelY, spanX, spanY, ignoreView, true, result); 1940df0353815c629fc678824b07a234b89a1ff94208Adam Cohen } 1941df0353815c629fc678824b07a234b89a1ff94208Adam Cohen 1942df0353815c629fc678824b07a234b89a1ff94208Adam Cohen /** 1943d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * Find a vacant area that will fit the given bounds nearest the requested 1944d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * cell location. Uses Euclidean distance to score multiple vacant areas. 1945d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * 1946d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param pixelX The X location at which you want to search for a vacant area. 1947d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param pixelY The Y location at which you want to search for a vacant area. 1948d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param minSpanX The minimum horizontal span required 1949d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param minSpanY The minimum vertical span required 1950d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param spanX Horizontal span of the object. 1951d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param spanY Vertical span of the object. 1952d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param ignoreView Considers space occupied by this view as unoccupied 1953d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param result Previously returned value to possibly recycle. 1954d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @return The X, Y cell of a vacant area that can contain this object, 1955d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * nearest the requested location. 1956d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen */ 1957d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen int[] findNearestVacantArea(int pixelX, int pixelY, int minSpanX, int minSpanY, 1958d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen int spanX, int spanY, View ignoreView, int[] result, int[] resultSpan) { 1959482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return findNearestArea(pixelX, pixelY, minSpanX, minSpanY, spanX, spanY, ignoreView, true, 1960482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result, resultSpan, mOccupied); 1961d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1962d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen 1963d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen /** 1964df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * Find a starting cell position that will fit the given bounds nearest the requested 1965df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * cell location. Uses Euclidean distance to score multiple vacant areas. 1966df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * 1967df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param pixelX The X location at which you want to search for a vacant area. 1968df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param pixelY The Y location at which you want to search for a vacant area. 1969df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param spanX Horizontal span of the object. 1970df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param spanY Vertical span of the object. 1971df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param ignoreView Considers space occupied by this view as unoccupied 1972df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param result Previously returned value to possibly recycle. 1973df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @return The X, Y cell of a vacant area that can contain this object, 1974df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * nearest the requested location. 1975df0353815c629fc678824b07a234b89a1ff94208Adam Cohen */ 1976df0353815c629fc678824b07a234b89a1ff94208Adam Cohen int[] findNearestArea( 1977df0353815c629fc678824b07a234b89a1ff94208Adam Cohen int pixelX, int pixelY, int spanX, int spanY, int[] result) { 1978df0353815c629fc678824b07a234b89a1ff94208Adam Cohen return findNearestArea(pixelX, pixelY, spanX, spanY, null, false, result); 1979df0353815c629fc678824b07a234b89a1ff94208Adam Cohen } 1980df0353815c629fc678824b07a234b89a1ff94208Adam Cohen 19810280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean existsEmptyCell() { 19820280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpan(null, 1, 1); 19830280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 19840280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 19850280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 19860280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Finds the upper-left coordinate of the first rectangle in the grid that can 19870280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * hold a cell of the specified dimensions. If intersectX and intersectY are not -1, 19880280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * then this method will only return coordinates for rectangles that contain the cell 19890280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * (intersectX, intersectY) 19900280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 19910280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param cellXY The array that will contain the position of a vacant cell if such a cell 19920280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * can be found. 19930280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 19940280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 19950280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 19960280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return True if a vacant cell of the specified dimension was found, false otherwise. 19970280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 19980280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpan(int[] cellXY, int spanX, int spanY) { 1999482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return findCellForSpanThatIntersectsIgnoring(cellXY, spanX, spanY, -1, -1, null, mOccupied); 20000280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 20010280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 20020280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 20030280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Like above, but ignores any cells occupied by the item "ignoreView" 20040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 20050280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param cellXY The array that will contain the position of a vacant cell if such a cell 20060280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * can be found. 20070280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 20080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 20090280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param ignoreView The home screen item we should treat as not occupying any space 20100280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return 20110280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 20120280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanIgnoring(int[] cellXY, int spanX, int spanY, View ignoreView) { 2013482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return findCellForSpanThatIntersectsIgnoring(cellXY, spanX, spanY, -1, -1, 2014482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen ignoreView, mOccupied); 20150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 20160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 20170280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 20180280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Like above, but if intersectX and intersectY are not -1, then this method will try to 20190280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * return coordinates for rectangles that contain the cell [intersectX, intersectY] 20200280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 20210280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 20220280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 20230280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param ignoreView The home screen item we should treat as not occupying any space 20240280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param intersectX The X coordinate of the cell that we should try to overlap 20250280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param intersectX The Y coordinate of the cell that we should try to overlap 20260280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 20270280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return True if a vacant cell of the specified dimension was found, false otherwise. 20280280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 20290280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanThatIntersects(int[] cellXY, int spanX, int spanY, 20300280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int intersectX, int intersectY) { 20310280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring( 2032482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen cellXY, spanX, spanY, intersectX, intersectY, null, mOccupied); 20330280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 20340280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 20350280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 20360280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * The superset of the above two methods 20370280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 20380280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanThatIntersectsIgnoring(int[] cellXY, int spanX, int spanY, 2039482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int intersectX, int intersectY, View ignoreView, boolean occupied[][]) { 2040c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // mark space take by ignoreView as available (method checks if ignoreView is null) 2041482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsAsUnoccupiedForView(ignoreView, occupied); 20420280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 204328750fba6a2d141eb9a1e566718c17236030b815Michael Jurka boolean foundCell = false; 20440280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka while (true) { 20450280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int startX = 0; 20460280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX >= 0) { 20470280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka startX = Math.max(startX, intersectX - (spanX - 1)); 20480280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 20490280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int endX = mCountX - (spanX - 1); 20500280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX >= 0) { 20510280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka endX = Math.min(endX, intersectX + (spanX - 1) + (spanX == 1 ? 1 : 0)); 20520280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 20530280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int startY = 0; 20540280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectY >= 0) { 20550280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka startY = Math.max(startY, intersectY - (spanY - 1)); 20560280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 20570280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int endY = mCountY - (spanY - 1); 20580280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectY >= 0) { 20590280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka endY = Math.min(endY, intersectY + (spanY - 1) + (spanY == 1 ? 1 : 0)); 20600280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 20610280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 2062bbc60d8e79416e37cbede55c159bf6aaa6c171d5Winson Chung for (int y = startY; y < endY && !foundCell; y++) { 20630280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka inner: 2064bbc60d8e79416e37cbede55c159bf6aaa6c171d5Winson Chung for (int x = startX; x < endX; x++) { 20650280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = 0; i < spanX; i++) { 20660280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int j = 0; j < spanY; j++) { 2067482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (occupied[x + i][y + j]) { 2068bbc60d8e79416e37cbede55c159bf6aaa6c171d5Winson Chung // small optimization: we can skip to after the column we just found 20690280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // an occupied cell 2070bbc60d8e79416e37cbede55c159bf6aaa6c171d5Winson Chung x += i; 20710280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka continue inner; 20720280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 20730280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 20740280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 20750280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (cellXY != null) { 20760280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[0] = x; 20770280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[1] = y; 20780280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 207928750fba6a2d141eb9a1e566718c17236030b815Michael Jurka foundCell = true; 208028750fba6a2d141eb9a1e566718c17236030b815Michael Jurka break; 20810280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 20820280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 20830280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX == -1 && intersectY == -1) { 20840280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka break; 20850280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } else { 20860280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // if we failed to find anything, try again but without any requirements of 20870280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // intersecting 20880280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka intersectX = -1; 20890280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka intersectY = -1; 20900280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka continue; 20910280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 20920280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 20930280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 2094c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // re-mark space taken by ignoreView as occupied 2095482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsAsOccupiedForView(ignoreView, occupied); 209628750fba6a2d141eb9a1e566718c17236030b815Michael Jurka return foundCell; 20970280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 20980280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 209931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 2100c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung * A drag event has begun over this layout. 2101c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung * It may have begun over this layout (in which case onDragChild is called first), 2102c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung * or it may have begun on another layout. 2103c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung */ 2104c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung void onDragEnter() { 2105c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung if (!mDragging) { 2106c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung // Fade in the drag indicators 2107c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung if (mCrosshairsAnimator != null) { 2108c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung mCrosshairsAnimator.animateIn(); 2109c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung } 2110c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung } 2111c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung mDragging = true; 2112c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung } 2113c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung 2114c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung /** 21150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Called when drag has left this CellLayout or has been completed (successfully or not) 21166569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 21170280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka void onDragExit() { 21184be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // This can actually be called when we aren't in a drag, e.g. when adding a new 21194be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // item to this layout via the customize drawer. 21204be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Guard against that case. 21214be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (mDragging) { 21224be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragging = false; 21236569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 21244be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Fade out the drag indicators 21254be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (mCrosshairsAnimator != null) { 21264be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mCrosshairsAnimator.animateOut(); 21274be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 21284be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 212908ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy 213008ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy // Invalidate the drag data 2131d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen mDragCell[0] = mDragCell[1] = -1; 213208ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[mDragOutlineCurrent].animateOut(); 213308ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineCurrent = (mDragOutlineCurrent + 1) % mDragOutlineAnims.length; 213408ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy 213533945b21544bc98381df17726a3537c292d8c985Michael Jurka setIsDragOverlapping(false); 21366569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 21376569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 21386569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 2139aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Mark a child as having been dropped. 2140de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * At the beginning of the drag operation, the child may have been on another 2141ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * screen, but it is re-parented before this method is called. 214231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 214331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child that is being dropped 214431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 2145716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen void onDropChild(View child) { 2146d94533d04a5f8f5485f106d10af60169857ea899Romain Guy if (child != null) { 2147d94533d04a5f8f5485f106d10af60169857ea899Romain Guy LayoutParams lp = (LayoutParams) child.getLayoutParams(); 214884f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy lp.dropped = true; 2149d94533d04a5f8f5485f106d10af60169857ea899Romain Guy child.requestLayout(); 2150d94533d04a5f8f5485f106d10af60169857ea899Romain Guy } 215131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 215231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 215331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 215431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Computes a bounding rectangle for a range of cells 2155aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 215631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellX X coordinate of upper left corner expressed as a cell position 215731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellY Y coordinate of upper left corner expressed as a cell position 2158aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * @param cellHSpan Width in cells 215931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellVSpan Height in cells 21606569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param resultRect Rect into which to put the results 216131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 2162d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen public void cellToRect(int cellX, int cellY, int cellHSpan, int cellVSpan, Rect resultRect) { 216331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellWidth = mCellWidth; 216431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellHeight = mCellHeight; 216531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int widthGap = mWidthGap; 216631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int heightGap = mHeightGap; 2167aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 21684b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int hStartPadding = getPaddingLeft(); 21694b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int vStartPadding = getPaddingTop(); 2170aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 217131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int width = cellHSpan * cellWidth + ((cellHSpan - 1) * widthGap); 217231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int height = cellVSpan * cellHeight + ((cellVSpan - 1) * heightGap); 217331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 217431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int x = hStartPadding + cellX * (cellWidth + widthGap); 217531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int y = vStartPadding + cellY * (cellHeight + heightGap); 2176aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 21776569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy resultRect.set(x, y, x + width, y + height); 217831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 2179aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 218031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 2181aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Computes the required horizontal and vertical cell spans to always 218231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * fit the given rectangle. 2183aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 218431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param width Width in pixels 218531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param height Height in pixels 21868f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy * @param result An array of length 2 in which to store the result (may be null). 218731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 21888f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy public int[] rectToCell(int width, int height, int[] result) { 21899987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka return rectToCell(getResources(), width, height, result); 21909987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka } 21919987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka 21929987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka public static int[] rectToCell(Resources resources, int width, int height, int[] result) { 219331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Always assume we're working with the smallest span to make sure we 219431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // reserve enough space in both orientations. 219579e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato int actualWidth = resources.getDimensionPixelSize(R.dimen.workspace_cell_width); 219679e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato int actualHeight = resources.getDimensionPixelSize(R.dimen.workspace_cell_height); 219731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int smallerSize = Math.min(actualWidth, actualHeight); 219879e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato 219931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Always round up to next largest cell 220054c725cc294cd43ed0650179bfae64a622547660Winson Chung int spanX = (int) Math.ceil(width / (float) smallerSize); 220154c725cc294cd43ed0650179bfae64a622547660Winson Chung int spanY = (int) Math.ceil(height / (float) smallerSize); 220279e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato 22038f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy if (result == null) { 22048f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy return new int[] { spanX, spanY }; 22058f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy } 22068f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[0] = spanX; 22078f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[1] = spanY; 22088f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy return result; 220931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 221031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 2211f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka public int[] cellSpansToSize(int hSpans, int vSpans) { 2212f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka int[] size = new int[2]; 2213f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka size[0] = hSpans * mCellWidth + (hSpans - 1) * mWidthGap; 2214f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka size[1] = vSpans * mCellHeight + (vSpans - 1) * mHeightGap; 2215f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka return size; 2216f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka } 2217f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka 221831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 2219047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy * Calculate the grid spans needed to fit given item 2220047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy */ 2221047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy public void calculateSpans(ItemInfo info) { 2222047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy final int minWidth; 2223047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy final int minHeight; 2224047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy 2225047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy if (info instanceof LauncherAppWidgetInfo) { 2226047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy minWidth = ((LauncherAppWidgetInfo) info).minWidth; 2227047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy minHeight = ((LauncherAppWidgetInfo) info).minHeight; 2228047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy } else if (info instanceof PendingAddWidgetInfo) { 2229047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy minWidth = ((PendingAddWidgetInfo) info).minWidth; 2230047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy minHeight = ((PendingAddWidgetInfo) info).minHeight; 2231047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy } else { 2232047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy // It's not a widget, so it must be 1x1 2233047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy info.spanX = info.spanY = 1; 2234047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy return; 2235047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy } 2236047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy int[] spans = rectToCell(minWidth, minHeight, null); 2237047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy info.spanX = spans[0]; 2238047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy info.spanY = spans[1]; 2239047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy } 2240047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy 2241047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy /** 224231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Find the first vacant cell, if there is one. 224331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 224431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param vacant Holds the x and y coordinate of the vacant cell 224531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX Horizontal cell span. 224631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY Vertical cell span. 2247aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 224831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return True if a vacant cell was found 224931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 225031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean getVacantCell(int[] vacant, int spanX, int spanY) { 225131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 22520280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findVacantCell(vacant, spanX, spanY, mCountX, mCountY, mOccupied); 225331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 225431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 225531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project static boolean findVacantCell(int[] vacant, int spanX, int spanY, 225631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int xCount, int yCount, boolean[][] occupied) { 225731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 22582801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen for (int y = 0; y < yCount; y++) { 22592801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen for (int x = 0; x < xCount; x++) { 226031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean available = !occupied[x][y]; 226131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectout: for (int i = x; i < x + spanX - 1 && x < xCount; i++) { 226231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int j = y; j < y + spanY - 1 && y < yCount; j++) { 226331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project available = available && !occupied[i][j]; 226431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!available) break out; 226531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 226631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 226731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 226831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (available) { 226931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project vacant[0] = x; 227031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project vacant[1] = y; 227131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 227231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 227331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 227431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 227531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 227631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 227731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 227831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 22790280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void clearOccupiedCells() { 22800280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = 0; x < mCountX; x++) { 22810280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = 0; y < mCountY; y++) { 22820280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied[x][y] = false; 228331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 228431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 22850280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 228631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 22871b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen /** 22881b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen * Given a view, determines how much that view can be expanded in all directions, in terms of 22891b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen * whether or not there are other items occupying adjacent cells. Used by the 22901b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen * AppWidgetResizeFrame to determine how the widget can be resized. 22911b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen */ 2292d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen public void getExpandabilityArrayForView(View view, int[] expandability) { 22931b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen final LayoutParams lp = (LayoutParams) view.getLayoutParams(); 2294d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen boolean flag; 2295d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 22961b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.LEFT] = 0; 2297d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int x = lp.cellX - 1; x >= 0; x--) { 2298d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen flag = false; 2299d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int y = lp.cellY; y < lp.cellY + lp.cellVSpan; y++) { 2300d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (mOccupied[x][y]) flag = true; 2301d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 2302d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (flag) break; 23031b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.LEFT]++; 2304d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 2305d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 23061b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.TOP] = 0; 2307d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int y = lp.cellY - 1; y >= 0; y--) { 2308d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen flag = false; 2309d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int x = lp.cellX; x < lp.cellX + lp.cellHSpan; x++) { 2310d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (mOccupied[x][y]) flag = true; 2311d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 2312d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (flag) break; 23131b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.TOP]++; 23141b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen } 2315d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 23161b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.RIGHT] = 0; 2317d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int x = lp.cellX + lp.cellHSpan; x < mCountX; x++) { 2318d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen flag = false; 2319d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int y = lp.cellY; y < lp.cellY + lp.cellVSpan; y++) { 2320d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (mOccupied[x][y]) flag = true; 2321d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 2322d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (flag) break; 23231b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.RIGHT]++; 23241b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen } 2325d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 23261b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.BOTTOM] = 0; 2327d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int y = lp.cellY + lp.cellVSpan; y < mCountY; y++) { 2328d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen flag = false; 2329d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int x = lp.cellX; x < lp.cellX + lp.cellHSpan; x++) { 2330d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (mOccupied[x][y]) flag = true; 2331d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 2332d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (flag) break; 23331b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.BOTTOM]++; 23341b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen } 2335d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 2336d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 2337d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen public void onMove(View view, int newCellX, int newCellY, int newSpanX, int newSpanY) { 23380280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 2339482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForView(newCellX, newCellY, newSpanX, newSpanY, mOccupied, true); 23400280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 234131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 2342d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen public void markCellsAsOccupiedForView(View view) { 2343482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsAsOccupiedForView(view, mOccupied); 2344482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2345482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public void markCellsAsOccupiedForView(View view, boolean[][] occupied) { 23468c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka if (view == null || view.getParent() != mChildren) return; 23470280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 2348482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForView(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, occupied, true); 23490280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 23500280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 2351d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen public void markCellsAsUnoccupiedForView(View view) { 2352482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsAsUnoccupiedForView(view, mOccupied); 2353482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2354482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public void markCellsAsUnoccupiedForView(View view, boolean occupied[][]) { 23558c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka if (view == null || view.getParent() != mChildren) return; 23560280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 2357482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForView(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, occupied, false); 23580280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 23590280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 2360482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private void markCellsForView(int cellX, int cellY, int spanX, int spanY, boolean[][] occupied, 2361482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean value) { 2362482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (cellX < 0 || cellY < 0) return; 23630280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = cellX; x < cellX + spanX && x < mCountX; x++) { 23640280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = cellY; y < cellY + spanY && y < mCountY; y++) { 2365482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen occupied[x][y] = value; 236631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 236731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 236831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 236931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 23702801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen public int getDesiredWidth() { 23714b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung return mPaddingLeft + mPaddingRight + (mCountX * mCellWidth) + 23722801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen (Math.max((mCountX - 1), 0) * mWidthGap); 23732801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 23742801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen 23752801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen public int getDesiredHeight() { 23764b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung return mPaddingTop + mPaddingBottom + (mCountY * mCellHeight) + 23772801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen (Math.max((mCountY - 1), 0) * mHeightGap); 23782801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 23792801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen 238066d72178af91d455700875635473be942bc90e54Michael Jurka public boolean isOccupied(int x, int y) { 238166d72178af91d455700875635473be942bc90e54Michael Jurka if (x < mCountX && y < mCountY) { 238266d72178af91d455700875635473be942bc90e54Michael Jurka return mOccupied[x][y]; 238366d72178af91d455700875635473be942bc90e54Michael Jurka } else { 238466d72178af91d455700875635473be942bc90e54Michael Jurka throw new RuntimeException("Position exceeds the bound of this CellLayout"); 238566d72178af91d455700875635473be942bc90e54Michael Jurka } 238666d72178af91d455700875635473be942bc90e54Michael Jurka } 238766d72178af91d455700875635473be942bc90e54Michael Jurka 238831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 238931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public ViewGroup.LayoutParams generateLayoutParams(AttributeSet attrs) { 239031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new CellLayout.LayoutParams(getContext(), attrs); 239131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 239231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 239331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 239431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected boolean checkLayoutParams(ViewGroup.LayoutParams p) { 239531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return p instanceof CellLayout.LayoutParams; 239631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 239731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 239831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 239931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected ViewGroup.LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) { 240031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new CellLayout.LayoutParams(p); 240131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 240231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 2403aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public static class CellLayoutAnimationController extends LayoutAnimationController { 2404aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public CellLayoutAnimationController(Animation animation, float delay) { 2405aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung super(animation, delay); 2406aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 2407aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 2408aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung @Override 2409aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung protected long getDelayForView(View view) { 2410aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return (int) (Math.random() * 150); 2411aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 2412aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 2413aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 241431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static class LayoutParams extends ViewGroup.MarginLayoutParams { 241531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 241631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Horizontal location of the item in the grid. 241731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 241831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 241931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellX; 242031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 242131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 242231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Vertical location of the item in the grid. 242331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 242431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 242531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellY; 242631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 242731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 2428482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * Temporary horizontal location of the item in the grid during reorder 2429482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen */ 2430482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public int tmpCellX; 2431482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2432482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen /** 2433482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * Temporary vertical location of the item in the grid during reorder 2434482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen */ 2435482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public int tmpCellY; 2436482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2437482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen /** 2438482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * Indicates that the temporary coordinates should be used to layout the items 2439482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen */ 2440482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public boolean useTmpCoords; 2441482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2442482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen /** 244331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Number of cells spanned horizontally by the item. 244431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 244531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 244631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellHSpan; 244731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 244831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 244931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Number of cells spanned vertically by the item. 245031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 245131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 245231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellVSpan; 2453aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 24541b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen /** 24551b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen * Indicates whether the item will set its x, y, width and height parameters freely, 24561b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen * or whether these will be computed based on cellX, cellY, cellHSpan and cellVSpan. 24571b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen */ 2458d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen public boolean isLockedToGrid = true; 2459d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 2460482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen /** 2461482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * Indicates whether this item can be reordered. Always true except in the case of the 2462482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * the AllApps button. 2463482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen */ 2464482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public boolean canReorder = true; 2465482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 246631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // X coordinate of the view in the layout. 246731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 246831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int x; 246931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Y coordinate of the view in the layout. 247031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 247131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int y; 247231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 247384f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy boolean dropped; 2474fcb9e7144e58614f5ae0e9b272fb7ce040848c67Romain Guy 247531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(Context c, AttributeSet attrs) { 247631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(c, attrs); 247731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellHSpan = 1; 247831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellVSpan = 1; 247931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 248031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 248131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(ViewGroup.LayoutParams source) { 248231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(source); 248331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellHSpan = 1; 248431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellVSpan = 1; 248531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 2486aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 2487aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public LayoutParams(LayoutParams source) { 2488aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung super(source); 2489aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellX = source.cellX; 2490aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellY = source.cellY; 2491aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellHSpan = source.cellHSpan; 2492aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellVSpan = source.cellVSpan; 2493aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 2494aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 249531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(int cellX, int cellY, int cellHSpan, int cellVSpan) { 24968f19cdd62f6e2be05e3890916eabd11317ae1bc2Romain Guy super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); 249731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellX = cellX; 249831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellY = cellY; 249931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellHSpan = cellHSpan; 250031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellVSpan = cellVSpan; 250131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 250231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 25037f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public void setup(int cellWidth, int cellHeight, int widthGap, int heightGap) { 2504d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (isLockedToGrid) { 2505d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen final int myCellHSpan = cellHSpan; 2506d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen final int myCellVSpan = cellVSpan; 2507482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen final int myCellX = useTmpCoords ? tmpCellX : cellX; 2508482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen final int myCellY = useTmpCoords ? tmpCellY : cellY; 25091b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen 2510d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen width = myCellHSpan * cellWidth + ((myCellHSpan - 1) * widthGap) - 2511d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen leftMargin - rightMargin; 2512d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen height = myCellVSpan * cellHeight + ((myCellVSpan - 1) * heightGap) - 2513d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen topMargin - bottomMargin; 2514eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung x = (int) (myCellX * (cellWidth + widthGap) + leftMargin); 2515eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung y = (int) (myCellY * (cellHeight + heightGap) + topMargin); 2516d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 2517d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 2518d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 2519aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public String toString() { 2520aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return "(" + this.cellX + ", " + this.cellY + ")"; 2521aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 25227f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 25237f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public void setWidth(int width) { 25247f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen this.width = width; 25257f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 25267f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 25277f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public int getWidth() { 25287f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen return width; 25297f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 25307f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 25317f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public void setHeight(int height) { 25327f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen this.height = height; 25337f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 25347f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 25357f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public int getHeight() { 25367f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen return height; 25377f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 25387f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 25397f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public void setX(int x) { 25407f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen this.x = x; 25417f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 25427f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 25437f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public int getX() { 25447f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen return x; 25457f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 25467f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 25477f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public void setY(int y) { 25487f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen this.y = y; 25497f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 25507f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 25517f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public int getY() { 25527f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen return y; 25537f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 255431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 255531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 25560280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // This class stores info for two purposes: 25570280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // 1. When dragging items (mDragInfo in Workspace), we store the View, its cellX & cellY, 25580280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // its spanX, spanY, and the screen it is on 25590280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // 2. When long clicking on an empty cell in a CellLayout, we save information about the 25600280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // cellX and cellY coordinates and which page was clicked. We then set this as a tag on 25610280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // the CellLayout that was long clicked 2562e5fb0f27bca7afb996258a7163c76ca7390d7bffMichael Jurka static final class CellInfo { 256331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View cell; 2564a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka int cellX = -1; 2565a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka int cellY = -1; 256631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanX; 256731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanY; 256831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screen; 25693d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung long container; 257031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 257131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 257231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public String toString() { 2573aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return "Cell[view=" + (cell == null ? "null" : cell.getClass()) 2574aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung + ", x=" + cellX + ", y=" + cellY + "]"; 257531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 257631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 2577d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka 2578d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka public boolean lastDownOnOccupiedCell() { 2579d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka return mLastDownOnOccupiedCell; 2580d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka } 258131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project} 2582