CellLayout.java revision 19f3792523fe2d55ea791a9286398a6120920690
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; 2100397b1d9233409d9d6b233b077ae12d09768ce8Chet Haaseimport android.animation.TimeInterpolator; 22de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.animation.ValueAnimator; 23de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.animation.ValueAnimator.AnimatorUpdateListener; 2431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.Context; 2579e56263dbcbe85dc434df372bc6e6730aa13477Joe Onoratoimport android.content.res.Resources; 26aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.content.res.TypedArray; 274be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.graphics.Bitmap; 28aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.graphics.Canvas; 290dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynnimport android.graphics.Color; 304be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.graphics.Paint; 31de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.graphics.Point; 32de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.graphics.PointF; 33b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohenimport android.graphics.PorterDuff; 34b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohenimport android.graphics.PorterDuffXfermode; 3531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Rect; 36482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohenimport android.graphics.drawable.ColorDrawable; 376569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroyimport android.graphics.drawable.Drawable; 38b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohenimport android.graphics.drawable.NinePatchDrawable; 3931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.util.AttributeSet; 404be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onoratoimport android.util.Log; 4131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.MotionEvent; 4231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.View; 4331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewDebug; 4431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewGroup; 45aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.view.animation.Animation; 46150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chungimport android.view.animation.DecelerateInterpolator; 47aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.view.animation.LayoutAnimationController; 4831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 496639687cd67bab1aeef2a75e5c6bc458b20dc082Adam Cohenimport com.android.launcher.R; 5069ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohenimport com.android.launcher2.FolderIcon.FolderRingAnimator; 518e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy 5269ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohenimport java.util.ArrayList; 53c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohenimport java.util.Arrays; 54bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohenimport java.util.HashMap; 55d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohenimport java.util.Stack; 56c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen 57bdb5c5342adc550559fd723af461e53248f2fba8Michael Jurkapublic class CellLayout extends ViewGroup { 58aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung static final String TAG = "CellLayout"; 59aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 604b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung private int mOriginalCellWidth; 614b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung private int mOriginalCellHeight; 6231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCellWidth; 6331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCellHeight; 64aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 65d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen private int mCountX; 66d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen private int mCountY; 6731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 68234c4cd54406e363a2ebc213f6ae5be284414988Adam Cohen private int mOriginalWidthGap; 69234c4cd54406e363a2ebc213f6ae5be284414988Adam Cohen private int mOriginalHeightGap; 7031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mWidthGap; 7131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mHeightGap; 724b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung private int mMaxGap; 73ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen private boolean mScrollingTransformsDirty = false; 7431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 7531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final Rect mRect = new Rect(); 7631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final CellInfo mCellInfo = new CellInfo(); 77aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 78de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // These are temporary variables to prevent having to allocate a new object just to 79de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // return an (x, y) value from helper functions. Do NOT use them to maintain other state. 800be025d64c1f84138fe430a58875886e66aae767Winson Chung private final int[] mTmpXY = new int[2]; 81de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final int[] mTmpPoint = new int[2]; 82de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final PointF mTmpPointF = new PointF(); 8369ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen int[] mTempLocation = new int[2]; 846569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 8531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean[][] mOccupied; 86482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean[][] mTmpOccupied; 87d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka private boolean mLastDownOnOccupiedCell = false; 8831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 89dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka private OnTouchListener mInterceptTouchListener; 90dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 9169ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen private ArrayList<FolderRingAnimator> mFolderOuterRings = new ArrayList<FolderRingAnimator>(); 92c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen private int[] mFolderLeaveBehindCell = {-1, -1}; 9369ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen 94b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen private int mForegroundAlpha = 0; 955f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka private float mBackgroundAlpha; 961b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen private float mBackgroundAlphaMultiplier = 1.0f; 97f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen 9833945b21544bc98381df17726a3537c292d8c985Michael Jurka private Drawable mNormalBackground; 9933945b21544bc98381df17726a3537c292d8c985Michael Jurka private Drawable mActiveGlowBackground; 100b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen private Drawable mOverScrollForegroundDrawable; 101b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen private Drawable mOverScrollLeft; 102b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen private Drawable mOverScrollRight; 10318014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka private Rect mBackgroundRect; 104b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen private Rect mForegroundRect; 105b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen private int mForegroundPadding; 10633945b21544bc98381df17726a3537c292d8c985Michael Jurka 10733945b21544bc98381df17726a3537c292d8c985Michael Jurka // If we're actively dragging something over this screen, mIsDragOverlapping is true 10833945b21544bc98381df17726a3537c292d8c985Michael Jurka private boolean mIsDragOverlapping = false; 109de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private final Point mDragCenter = new Point(); 1106569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 111150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung // These arrays are used to implement the drag visualization on x-large screens. 1124be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // They are used as circular arrays, indexed by mDragOutlineCurrent. 113d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen private Rect[] mDragOutlines = new Rect[4]; 114472b281d5cb4f5660df981a6c912266b9f5703feChet Haase private float[] mDragOutlineAlphas = new float[mDragOutlines.length]; 1154be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private InterruptibleInOutAnimator[] mDragOutlineAnims = 1164be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato new InterruptibleInOutAnimator[mDragOutlines.length]; 117150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 118150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung // Used as an index into the above 3 arrays; indicates which is the most current value. 1194be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private int mDragOutlineCurrent = 0; 1208e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy private final Paint mDragOutlinePaint = new Paint(); 121150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 12296864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy private BubbleTextView mPressedOrFocusedIcon; 12396864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy 124de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private Drawable mCrosshairsDrawable = null; 12549250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy private InterruptibleInOutAnimator mCrosshairsAnimator = null; 126de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy private float mCrosshairsVisibility = 0.0f; 127de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 128482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private HashMap<CellLayout.LayoutParams, Animator> mReorderAnimators = new 129482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen HashMap<CellLayout.LayoutParams, Animator>(); 13019f3792523fe2d55ea791a9286398a6120920690Adam Cohen private HashMap<View, ReorderHintAnimation> 13119f3792523fe2d55ea791a9286398a6120920690Adam Cohen mShakeAnimators = new HashMap<View, ReorderHintAnimation>(); 13219f3792523fe2d55ea791a9286398a6120920690Adam Cohen 13319f3792523fe2d55ea791a9286398a6120920690Adam Cohen private boolean mItemPlacementDirty = false; 134bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen 1356569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // When a drag operation is in progress, holds the nearest cell to the touch point 1366569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy private final int[] mDragCell = new int[2]; 13731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1384be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato private boolean mDragging = false; 1394be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 140ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy private TimeInterpolator mEaseOutInterpolator; 141a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka private ShortcutAndWidgetContainer mShortcutsAndWidgets; 142ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 1430dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn private boolean mIsHotseat = false; 144eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung private float mChildScale = 1f; 145eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung private float mHotseatChildScale = 1f; 1460dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn 147482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public static final int MODE_DRAG_OVER = 0; 148482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public static final int MODE_ON_DROP = 1; 149482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public static final int MODE_ON_DROP_EXTERNAL = 2; 150482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public static final int MODE_ACCEPT_DROP = 3; 15119f3792523fe2d55ea791a9286398a6120920690Adam Cohen private static final boolean DESTRUCTIVE_REORDER = false; 152482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private static final boolean DEBUG_VISUALIZE_OCCUPIED = false; 153482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 15419f3792523fe2d55ea791a9286398a6120920690Adam Cohen private static final float REORDER_HINT_MAGNITUDE = 0.27f; 15519f3792523fe2d55ea791a9286398a6120920690Adam Cohen private static final int REORDER_ANIMATION_DURATION = 150; 15619f3792523fe2d55ea791a9286398a6120920690Adam Cohen private float mReorderHintAnimationMagnitude; 15719f3792523fe2d55ea791a9286398a6120920690Adam Cohen 158482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private ArrayList<View> mIntersectingViews = new ArrayList<View>(); 159482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private Rect mOccupiedRect = new Rect(); 160482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private int[] mDirectionVector = new int[2]; 16119f3792523fe2d55ea791a9286398a6120920690Adam Cohen int[] mPreviousReorderDirection = new int[2]; 162482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 16331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context) { 16431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, null); 16531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 16631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 16731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context, AttributeSet attrs) { 16831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, attrs, 0); 16931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 17031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 17131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context, AttributeSet attrs, int defStyle) { 17231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(context, attrs, defStyle); 1736569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1746569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // A ViewGroup usually does not draw, but CellLayout needs to draw a rectangle to show 1756569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // the user where a dragged item will land when dropped. 1766569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy setWillNotDraw(false); 177a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka 17831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CellLayout, defStyle, 0); 17931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1804b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mOriginalCellWidth = 1814b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mCellWidth = a.getDimensionPixelSize(R.styleable.CellLayout_cellWidth, 10); 1824b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mOriginalCellHeight = 1834b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mCellHeight = a.getDimensionPixelSize(R.styleable.CellLayout_cellHeight, 10); 184234c4cd54406e363a2ebc213f6ae5be284414988Adam Cohen mWidthGap = mOriginalWidthGap = a.getDimensionPixelSize(R.styleable.CellLayout_widthGap, 0); 185234c4cd54406e363a2ebc213f6ae5be284414988Adam Cohen mHeightGap = mOriginalHeightGap = a.getDimensionPixelSize(R.styleable.CellLayout_heightGap, 0); 1864b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mMaxGap = a.getDimensionPixelSize(R.styleable.CellLayout_maxGap, 0); 187d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mCountX = LauncherModel.getCellCountX(); 188d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mCountY = LauncherModel.getCellCountY(); 1890280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied = new boolean[mCountX][mCountY]; 190482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mTmpOccupied = new boolean[mCountX][mCountY]; 19131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 19231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project a.recycle(); 19331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 19431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project setAlwaysDrawnWithCacheEnabled(false); 19531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 196046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final Resources res = getResources(); 197de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 198967289b6d5fec77f5c381d11ffb2319f3bb5e737Winson Chung mNormalBackground = res.getDrawable(R.drawable.homescreen_blue_normal_holo); 199dea74b7d12b0fcd50bfdb4274f9867ba76d75238Winson Chung mActiveGlowBackground = res.getDrawable(R.drawable.homescreen_blue_strong_holo); 200b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung 201b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen mOverScrollLeft = res.getDrawable(R.drawable.overscroll_glow_left); 202b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen mOverScrollRight = res.getDrawable(R.drawable.overscroll_glow_right); 203b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen mForegroundPadding = 204b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen res.getDimensionPixelSize(R.dimen.workspace_overscroll_drawable_padding); 205b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung 20619f3792523fe2d55ea791a9286398a6120920690Adam Cohen mReorderHintAnimationMagnitude = (REORDER_HINT_MAGNITUDE * 20719f3792523fe2d55ea791a9286398a6120920690Adam Cohen res.getDimensionPixelSize(R.dimen.app_icon_size)); 20819f3792523fe2d55ea791a9286398a6120920690Adam Cohen 209b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung mNormalBackground.setFilterBitmap(true); 210b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung mActiveGlowBackground.setFilterBitmap(true); 211de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 212eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung int iconScale = res.getInteger(R.integer.app_icon_scale_percent); 213eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung if (iconScale >= 0) { 214eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung mChildScale = iconScale / 100f; 215eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung } 216eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung int hotseatIconScale = res.getInteger(R.integer.app_icon_hotseat_scale_percent); 217eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung if (hotseatIconScale >= 0) { 218eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung mHotseatChildScale = hotseatIconScale / 100f; 219eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung } 2200dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn 221046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Initialize the data structures used for the drag visualization. 222150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 223046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy mCrosshairsDrawable = res.getDrawable(R.drawable.gardening_crosshairs); 224ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy mEaseOutInterpolator = new DecelerateInterpolator(2.5f); // Quint ease out 225de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 226046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Set up the animation for fading the crosshairs in and out 227046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy int animDuration = res.getInteger(R.integer.config_crosshairsFadeInTime); 22849250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy mCrosshairsAnimator = new InterruptibleInOutAnimator(animDuration, 0.0f, 1.0f); 229472b281d5cb4f5660df981a6c912266b9f5703feChet Haase mCrosshairsAnimator.getAnimator().addUpdateListener(new AnimatorUpdateListener() { 230046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy public void onAnimationUpdate(ValueAnimator animation) { 231046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy mCrosshairsVisibility = ((Float) animation.getAnimatedValue()).floatValue(); 2328e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy invalidate(); 233046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy } 234046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy }); 235ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy mCrosshairsAnimator.getAnimator().setInterpolator(mEaseOutInterpolator); 236046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy 237b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung mDragCell[0] = mDragCell[1] = -1; 2384be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlines.length; i++) { 239d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen mDragOutlines[i] = new Rect(-1, -1, -1, -1); 240046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy } 241046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy 242046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // When dragging things around the home screens, we show a green outline of 243046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // where the item will land. The outlines gradually fade out, leaving a trail 244046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // behind the drag path. 245046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy // Set up all the animations that are used to implement this fading. 246046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final int duration = res.getInteger(R.integer.config_dragOutlineFadeTime); 247472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float fromAlphaValue = 0; 248472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float toAlphaValue = (float)res.getInteger(R.integer.config_dragOutlineMaxAlpha); 2494be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 2508e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy Arrays.fill(mDragOutlineAlphas, fromAlphaValue); 2514be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 2524be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlineAnims.length; i++) { 253046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final InterruptibleInOutAnimator anim = 254046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy new InterruptibleInOutAnimator(duration, fromAlphaValue, toAlphaValue); 255ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy anim.getAnimator().setInterpolator(mEaseOutInterpolator); 256046e7eb472acac800128ab026f3bc6348b0f933fPatrick Dubroy final int thisIndex = i; 257472b281d5cb4f5660df981a6c912266b9f5703feChet Haase anim.getAnimator().addUpdateListener(new AnimatorUpdateListener() { 258de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy public void onAnimationUpdate(ValueAnimator animation) { 2594be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Bitmap outline = (Bitmap)anim.getTag(); 2604be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato 2614be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // If an animation is started and then stopped very quickly, we can still 2624be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // get spurious updates we've cleared the tag. Guard against this. 2634be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (outline == null) { 264fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy if (false) { 265fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy Object val = animation.getAnimatedValue(); 266fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy Log.d(TAG, "anim " + thisIndex + " update: " + val + 267fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy ", isStopped " + anim.isStopped()); 268fe6bd87881e47b9ff38f58bd083042ae0f6a39d7Patrick Dubroy } 2694be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Try to prevent it from continuing to run 2704be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato animation.cancel(); 2714be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } else { 272472b281d5cb4f5660df981a6c912266b9f5703feChet Haase mDragOutlineAlphas[thisIndex] = (Float) animation.getAnimatedValue(); 273d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen CellLayout.this.invalidate(mDragOutlines[thisIndex]); 2744be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 275de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 276de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy }); 2774be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // The animation holds a reference to the drag outline bitmap as long is it's 2784be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // running. This way the bitmap can be GCed when the animations are complete. 279472b281d5cb4f5660df981a6c912266b9f5703feChet Haase anim.getAnimator().addListener(new AnimatorListenerAdapter() { 2803c4c20fbe682cb4b3ef94f09afe0af09171583f3Michael Jurka @Override 2814be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato public void onAnimationEnd(Animator animation) { 282472b281d5cb4f5660df981a6c912266b9f5703feChet Haase if ((Float) ((ValueAnimator) animation).getAnimatedValue() == 0f) { 2834be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato anim.setTag(null); 2844be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 2854be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 2864be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato }); 2874be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragOutlineAnims[i] = anim; 288de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 289ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy 29018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundRect = new Rect(); 291b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen mForegroundRect = new Rect(); 292bea15195346bab3c52b0156e92f2b71f0811b210Michael Jurka 293a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets = new ShortcutAndWidgetContainer(context); 294a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.setCellDimensions(mCellWidth, mCellHeight, mWidthGap, mHeightGap); 295a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka addView(mShortcutsAndWidgets); 29618014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka } 29718014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka 298f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka static int widthInPortrait(Resources r, int numCells) { 299f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka // We use this method from Workspace to figure out how many rows/columns Launcher should 300f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka // have. We ignore the left/right padding on CellLayout because it turns out in our design 301f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka // the padding extends outside the visible screen size, but it looked fine anyway. 302f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka int cellWidth = r.getDimensionPixelSize(R.dimen.workspace_cell_width); 3034b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int minGap = Math.min(r.getDimensionPixelSize(R.dimen.workspace_width_gap), 3044b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung r.getDimensionPixelSize(R.dimen.workspace_height_gap)); 305f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka 3064b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung return minGap * (numCells - 1) + cellWidth * numCells; 307f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka } 308f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka 309f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka static int heightInLandscape(Resources r, int numCells) { 310f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka // We use this method from Workspace to figure out how many rows/columns Launcher should 311f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka // have. We ignore the left/right padding on CellLayout because it turns out in our design 312f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka // the padding extends outside the visible screen size, but it looked fine anyway. 313f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka int cellHeight = r.getDimensionPixelSize(R.dimen.workspace_cell_height); 3144b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int minGap = Math.min(r.getDimensionPixelSize(R.dimen.workspace_width_gap), 3154b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung r.getDimensionPixelSize(R.dimen.workspace_height_gap)); 316f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka 3174b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung return minGap * (numCells - 1) + cellHeight * numCells; 318f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka } 319f6440da9d02f3ee1553db4bd431a202eb1d1a9ddMichael Jurka 3202801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen public void enableHardwareLayers() { 321a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.enableHardwareLayers(); 3222801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 3232801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen 3242801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen public void setGridSize(int x, int y) { 3252801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen mCountX = x; 3262801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen mCountY = y; 3272801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen mOccupied = new boolean[mCountX][mCountY]; 328482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mTmpOccupied = new boolean[mCountX][mCountY]; 32976fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen requestLayout(); 3302801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 3312801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen 33296864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy private void invalidateBubbleTextView(BubbleTextView icon) { 33396864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy final int padding = icon.getPressedOrFocusedBackgroundPadding(); 3344b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung invalidate(icon.getLeft() + getPaddingLeft() - padding, 3354b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung icon.getTop() + getPaddingTop() - padding, 3364b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung icon.getRight() + getPaddingLeft() + padding, 3374b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung icon.getBottom() + getPaddingTop() + padding); 33896864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy } 33996864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy 340b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen void setOverScrollAmount(float r, boolean left) { 341b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen if (left && mOverScrollForegroundDrawable != mOverScrollLeft) { 342b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen mOverScrollForegroundDrawable = mOverScrollLeft; 343b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen } else if (!left && mOverScrollForegroundDrawable != mOverScrollRight) { 344b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen mOverScrollForegroundDrawable = mOverScrollRight; 345b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen } 346b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen 347b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen mForegroundAlpha = (int) Math.round((r * 255)); 348b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen mOverScrollForegroundDrawable.setAlpha(mForegroundAlpha); 349b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen invalidate(); 350b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen } 351b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen 35296864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy void setPressedOrFocusedIcon(BubbleTextView icon) { 35396864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy // We draw the pressed or focused BubbleTextView's background in CellLayout because it 35496864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy // requires an expanded clip rect (due to the glow's blur radius) 35596864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy BubbleTextView oldIcon = mPressedOrFocusedIcon; 35696864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy mPressedOrFocusedIcon = icon; 35796864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy if (oldIcon != null) { 35896864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy invalidateBubbleTextView(oldIcon); 35996864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy } 36096864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy if (mPressedOrFocusedIcon != null) { 36196864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy invalidateBubbleTextView(mPressedOrFocusedIcon); 36296864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy } 36396864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy } 36496864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy 36533945b21544bc98381df17726a3537c292d8c985Michael Jurka void setIsDragOverlapping(boolean isDragOverlapping) { 36633945b21544bc98381df17726a3537c292d8c985Michael Jurka if (mIsDragOverlapping != isDragOverlapping) { 36733945b21544bc98381df17726a3537c292d8c985Michael Jurka mIsDragOverlapping = isDragOverlapping; 36833945b21544bc98381df17726a3537c292d8c985Michael Jurka invalidate(); 36933945b21544bc98381df17726a3537c292d8c985Michael Jurka } 37033945b21544bc98381df17726a3537c292d8c985Michael Jurka } 37133945b21544bc98381df17726a3537c292d8c985Michael Jurka 37233945b21544bc98381df17726a3537c292d8c985Michael Jurka boolean getIsDragOverlapping() { 37333945b21544bc98381df17726a3537c292d8c985Michael Jurka return mIsDragOverlapping; 37433945b21544bc98381df17726a3537c292d8c985Michael Jurka } 37533945b21544bc98381df17726a3537c292d8c985Michael Jurka 376ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen protected void setOverscrollTransformsDirty(boolean dirty) { 377ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen mScrollingTransformsDirty = dirty; 378ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen } 379ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen 380ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen protected void resetOverscrollTransforms() { 381ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen if (mScrollingTransformsDirty) { 382ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen setOverscrollTransformsDirty(false); 383ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen setTranslationX(0); 384ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen setRotationY(0); 385ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen // It doesn't matter if we pass true or false here, the important thing is that we 386ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen // pass 0, which results in the overscroll drawable not being drawn any more. 387ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen setOverScrollAmount(0, false); 388ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen setPivotX(getMeasuredWidth() / 2); 389ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen setPivotY(getMeasuredHeight() / 2); 390ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen } 391ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen } 392ebea84d1c95f4c38ba8cee46cd586fd757b4fce2Adam Cohen 393a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy @Override 3941262e369484ce7f2565655ed80e6299232c70bd7Patrick Dubroy protected void onDraw(Canvas canvas) { 3953e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // When we're large, we are either drawn in a "hover" state (ie when dragging an item to 3963e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // a neighboring page) or with just a normal background (if backgroundAlpha > 0.0f) 3973e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // When we're small, we are either drawn normally or in the "accepts drops" state (during 3983e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // a drag). However, we also drag the mini hover background *over* one of those two 3993e7c7634531302271270c8cf418abc959d621cbcMichael Jurka // backgrounds 400b26f3d6a8c62e7c1a603b6c7979375d8dd4f20d4Winson Chung if (mBackgroundAlpha > 0.0f) { 401f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen Drawable bg; 40233945b21544bc98381df17726a3537c292d8c985Michael Jurka 40333945b21544bc98381df17726a3537c292d8c985Michael Jurka if (mIsDragOverlapping) { 40433945b21544bc98381df17726a3537c292d8c985Michael Jurka // In the mini case, we draw the active_glow bg *over* the active background 405bdf78559f223ac11e01e3311edd5a48a80383e1eMichael Jurka bg = mActiveGlowBackground; 406f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } else { 407bdf78559f223ac11e01e3311edd5a48a80383e1eMichael Jurka bg = mNormalBackground; 408f34bab59fc0260f926aec44d044883dce1b4191fAdam Cohen } 40933945b21544bc98381df17726a3537c292d8c985Michael Jurka 41033945b21544bc98381df17726a3537c292d8c985Michael Jurka bg.setAlpha((int) (mBackgroundAlpha * mBackgroundAlphaMultiplier * 255)); 41133945b21544bc98381df17726a3537c292d8c985Michael Jurka bg.setBounds(mBackgroundRect); 41233945b21544bc98381df17726a3537c292d8c985Michael Jurka bg.draw(canvas); 413a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 41431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 415de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (mCrosshairsVisibility > 0.0f) { 416de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countX = mCountX; 417de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countY = mCountY; 418de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 419de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final float MAX_ALPHA = 0.4f; 420de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int MAX_VISIBLE_DISTANCE = 600; 421de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final float DISTANCE_MULTIPLIER = 0.002f; 422de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 423de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final Drawable d = mCrosshairsDrawable; 424de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int width = d.getIntrinsicWidth(); 425de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int height = d.getIntrinsicHeight(); 426de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 4274b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int x = getPaddingLeft() - (mWidthGap / 2) - (width / 2); 428de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int col = 0; col <= countX; col++) { 4294b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int y = getPaddingTop() - (mHeightGap / 2) - (height / 2); 430de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy for (int row = 0; row <= countY; row++) { 431de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy mTmpPointF.set(x - mDragCenter.x, y - mDragCenter.y); 432de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy float dist = mTmpPointF.length(); 433de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy // Crosshairs further from the drag point are more faint 434de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy float alpha = Math.min(MAX_ALPHA, 435de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy DISTANCE_MULTIPLIER * (MAX_VISIBLE_DISTANCE - dist)); 436de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy if (alpha > 0.0f) { 437de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.setBounds(x, y, x + width, y + height); 438de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.setAlpha((int) (alpha * 255 * mCrosshairsVisibility)); 439de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy d.draw(canvas); 440de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 441de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy y += mCellHeight + mHeightGap; 442de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 443de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy x += mCellWidth + mWidthGap; 444de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy } 4454be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 446150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 4478e58e916061cbe2623697efac0924f2aa3753a92Patrick Dubroy final Paint paint = mDragOutlinePaint; 4484be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato for (int i = 0; i < mDragOutlines.length; i++) { 449472b281d5cb4f5660df981a6c912266b9f5703feChet Haase final float alpha = mDragOutlineAlphas[i]; 4504be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (alpha > 0) { 451d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen final Rect r = mDragOutlines[i]; 4524be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final Bitmap b = (Bitmap) mDragOutlineAnims[i].getTag(); 453472b281d5cb4f5660df981a6c912266b9f5703feChet Haase paint.setAlpha((int)(alpha + .5f)); 454d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen canvas.drawBitmap(b, null, r, paint); 455150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung } 4566569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 45796864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy 45896864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy // We draw the pressed or focused BubbleTextView's background in CellLayout because it 45996864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy // requires an expanded clip rect (due to the glow's blur radius) 46096864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy if (mPressedOrFocusedIcon != null) { 46196864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy final int padding = mPressedOrFocusedIcon.getPressedOrFocusedBackgroundPadding(); 46296864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy final Bitmap b = mPressedOrFocusedIcon.getPressedOrFocusedBackground(); 46396864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy if (b != null) { 46496864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy canvas.drawBitmap(b, 4654b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mPressedOrFocusedIcon.getLeft() + getPaddingLeft() - padding, 4664b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mPressedOrFocusedIcon.getTop() + getPaddingTop() - padding, 46796864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy null); 46896864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy } 46996864c3c27d03b98d5a25b74b7647be064071144Patrick Dubroy } 47069ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen 471482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (DEBUG_VISUALIZE_OCCUPIED) { 472482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int[] pt = new int[2]; 473482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen ColorDrawable cd = new ColorDrawable(Color.RED); 474482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen cd.setBounds(0, 0, 80, 80); 475482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < mCountX; i++) { 476482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int j = 0; j < mCountY; j++) { 477482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (mOccupied[i][j]) { 478482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen cellToPoint(i, j, pt); 479482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen canvas.save(); 480482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen canvas.translate(pt[0], pt[1]); 481482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen cd.draw(canvas); 482482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen canvas.restore(); 483482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 484482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 485482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 486482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 487482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 48869ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen // The folder outer / inner ring image(s) 48969ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen for (int i = 0; i < mFolderOuterRings.size(); i++) { 49069ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen FolderRingAnimator fra = mFolderOuterRings.get(i); 49169ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen 49269ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen // Draw outer ring 49369ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen Drawable d = FolderRingAnimator.sSharedOuterRingDrawable; 49469ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen int width = (int) fra.getOuterRingSize(); 49569ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen int height = width; 49669ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen cellToPoint(fra.mCellX, fra.mCellY, mTempLocation); 49769ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen 49869ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen int centerX = mTempLocation[0] + mCellWidth / 2; 49969ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen int centerY = mTempLocation[1] + FolderRingAnimator.sPreviewSize / 2; 50069ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen 50169ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen canvas.save(); 50269ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen canvas.translate(centerX - width / 2, centerY - height / 2); 50369ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen d.setBounds(0, 0, width, height); 50469ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen d.draw(canvas); 50569ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen canvas.restore(); 50669ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen 50769ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen // Draw inner ring 50869ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen d = FolderRingAnimator.sSharedInnerRingDrawable; 50969ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen width = (int) fra.getInnerRingSize(); 51069ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen height = width; 51169ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen cellToPoint(fra.mCellX, fra.mCellY, mTempLocation); 51269ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen 51369ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen centerX = mTempLocation[0] + mCellWidth / 2; 51469ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen centerY = mTempLocation[1] + FolderRingAnimator.sPreviewSize / 2; 51569ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen canvas.save(); 51669ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen canvas.translate(centerX - width / 2, centerY - width / 2); 51769ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen d.setBounds(0, 0, width, height); 51869ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen d.draw(canvas); 51969ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen canvas.restore(); 52069ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen } 521c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen 522c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen if (mFolderLeaveBehindCell[0] >= 0 && mFolderLeaveBehindCell[1] >= 0) { 523c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen Drawable d = FolderIcon.sSharedFolderLeaveBehind; 524c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen int width = d.getIntrinsicWidth(); 525c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen int height = d.getIntrinsicHeight(); 526c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen 527c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen cellToPoint(mFolderLeaveBehindCell[0], mFolderLeaveBehindCell[1], mTempLocation); 528c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen int centerX = mTempLocation[0] + mCellWidth / 2; 529c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen int centerY = mTempLocation[1] + FolderRingAnimator.sPreviewSize / 2; 530c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen 531c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen canvas.save(); 532c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen canvas.translate(centerX - width / 2, centerY - width / 2); 533c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen d.setBounds(0, 0, width, height); 534c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen d.draw(canvas); 535c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen canvas.restore(); 536c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen } 53769ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen } 53869ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen 539b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen @Override 540b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen protected void dispatchDraw(Canvas canvas) { 541b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen super.dispatchDraw(canvas); 542b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen if (mForegroundAlpha > 0) { 543b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen mOverScrollForegroundDrawable.setBounds(mForegroundRect); 544b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen Paint p = ((NinePatchDrawable) mOverScrollForegroundDrawable).getPaint(); 545b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen p.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.ADD)); 546b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen mOverScrollForegroundDrawable.draw(canvas); 547b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen p.setXfermode(null); 548b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen } 549b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen } 550b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen 55169ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen public void showFolderAccept(FolderRingAnimator fra) { 55269ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen mFolderOuterRings.add(fra); 55369ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen } 55469ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen 55569ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen public void hideFolderAccept(FolderRingAnimator fra) { 55669ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen if (mFolderOuterRings.contains(fra)) { 55769ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen mFolderOuterRings.remove(fra); 55869ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen } 55969ce2e5beaa1a57c7b8fa14a2d6ff0b3abeb93c0Adam Cohen invalidate(); 5606569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 5616569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 562c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen public void setFolderLeaveBehindCell(int x, int y) { 563c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen mFolderLeaveBehindCell[0] = x; 564c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen mFolderLeaveBehindCell[1] = y; 565c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen invalidate(); 566c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen } 567c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen 568c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen public void clearFolderLeaveBehind() { 569c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen mFolderLeaveBehindCell[0] = -1; 570c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen mFolderLeaveBehindCell[1] = -1; 571c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen invalidate(); 572c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen } 573c51934bfdfed6a5011c6d6c5b7b70f2d75613d41Adam Cohen 5746569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy @Override 575e6235dd225404239b55c459245543f3302326112Michael Jurka public boolean shouldDelayChildPressedState() { 576e6235dd225404239b55c459245543f3302326112Michael Jurka return false; 577e6235dd225404239b55c459245543f3302326112Michael Jurka } 578e6235dd225404239b55c459245543f3302326112Michael Jurka 579e6235dd225404239b55c459245543f3302326112Michael Jurka @Override 58083f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey public void cancelLongPress() { 58183f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey super.cancelLongPress(); 58283f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey 58383f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey // Cancel long press for all children 58483f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey final int count = getChildCount(); 58583f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey for (int i = 0; i < count; i++) { 58683f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey final View child = getChildAt(i); 58783f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey child.cancelLongPress(); 58883f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey } 58983f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey } 59083f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey 591dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka public void setOnInterceptTouchListener(View.OnTouchListener listener) { 592dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka mInterceptTouchListener = listener; 593dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 594dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 59531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCountX() { 596d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen return mCountX; 59731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 59831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 59931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCountY() { 600d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen return mCountY; 60131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 60231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 6030dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn public void setIsHotseat(boolean isHotseat) { 6040dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn mIsHotseat = isHotseat; 6050dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn } 6060dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn 607eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung public float getChildrenScale() { 608eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung return mIsHotseat ? mHotseatChildScale : mChildScale; 609eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung } 610eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung 611f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka public boolean addViewToCellLayout( 612f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka View child, int index, int childId, LayoutParams params, boolean markCells) { 6130dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn return addViewToCellLayout(child, index, childId, params, markCells, false); 6140dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn } 6150dca1ec41479a74f8da080224fa0c7eacab674d6Andrew Flynn 616eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung private void scaleChild(BubbleTextView bubbleChild, float pivot, float scale) { 617bc239a15464f543a41b960b946aa77258454efafAndrew Flynn // If we haven't measured the child yet, do it now 618bc239a15464f543a41b960b946aa77258454efafAndrew Flynn // (this happens if we're being dropped from all-apps 619bc239a15464f543a41b960b946aa77258454efafAndrew Flynn if (bubbleChild.getLayoutParams() instanceof LayoutParams && 620bc239a15464f543a41b960b946aa77258454efafAndrew Flynn (bubbleChild.getMeasuredWidth() | bubbleChild.getMeasuredHeight()) == 0) { 621a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka getShortcutsAndWidgets().measureChild(bubbleChild); 622bc239a15464f543a41b960b946aa77258454efafAndrew Flynn } 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 670a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.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(); 682a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.removeAllViews(); 6830280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 6840280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 6850280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 6860280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeAllViewsInLayout() { 687a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka if (mShortcutsAndWidgets.getChildCount() > 0) { 6887cfc2825c3a1029f962d2fc387ae2eaa85b51798Michael Jurka clearOccupiedCells(); 689a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.removeAllViewsInLayout(); 6907cfc2825c3a1029f962d2fc387ae2eaa85b51798Michael Jurka } 6910280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 6920280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 693f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka public void removeViewWithoutMarkingCells(View view) { 694a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.removeView(view); 695f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka } 696f3ca3ab6958b104cbf2c2fa04add97d372a94d1cMichael Jurka 6970280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 6980280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeView(View view) { 6990280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 700a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.removeView(view); 7010280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 7020280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 7030280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 7040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewAt(int index) { 705a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka markCellsAsUnoccupiedForView(mShortcutsAndWidgets.getChildAt(index)); 706a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.removeViewAt(index); 7070280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 7080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 7090280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 7100280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewInLayout(View view) { 7110280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 712a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.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++) { 718a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka markCellsAsUnoccupiedForView(mShortcutsAndWidgets.getChildAt(i)); 7190280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 720a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.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++) { 726a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka markCellsAsUnoccupiedForView(mShortcutsAndWidgets.getChildAt(i)); 7270280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 728a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.removeViewsInLayout(start, count); 729abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka } 730abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka 73131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 73231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onAttachedToWindow() { 73331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onAttachedToWindow(); 73431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellInfo.screen = ((ViewGroup) getParent()).indexOfChild(this); 73531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 73631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 737af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka public void setTagToCellInfoForPoint(int touchX, int touchY) { 73831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellInfo cellInfo = mCellInfo; 739eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung Rect frame = mRect; 740af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int x = touchX + mScrollX; 741af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int y = touchY + mScrollY; 742a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka final int count = mShortcutsAndWidgets.getChildCount(); 74331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 744af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka boolean found = false; 745af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka for (int i = count - 1; i >= 0; i--) { 746a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka final View child = mShortcutsAndWidgets.getChildAt(i); 747d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen final LayoutParams lp = (LayoutParams) child.getLayoutParams(); 748af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka 7491b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen if ((child.getVisibility() == VISIBLE || child.getAnimation() != null) && 7501b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen lp.isLockedToGrid) { 751af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka child.getHitRect(frame); 7520be025d64c1f84138fe430a58875886e66aae767Winson Chung 753eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung float scale = child.getScaleX(); 754eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung frame = new Rect(child.getLeft(), child.getTop(), child.getRight(), 755eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung child.getBottom()); 7560be025d64c1f84138fe430a58875886e66aae767Winson Chung // The child hit rect is relative to the CellLayoutChildren parent, so we need to 7570be025d64c1f84138fe430a58875886e66aae767Winson Chung // offset that by this CellLayout's padding to test an (x,y) point that is relative 7580be025d64c1f84138fe430a58875886e66aae767Winson Chung // to this view. 7594b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung frame.offset(mPaddingLeft, mPaddingTop); 760eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung frame.inset((int) (frame.width() * (1f - scale) / 2), 761eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung (int) (frame.height() * (1f - scale) / 2)); 7620be025d64c1f84138fe430a58875886e66aae767Winson Chung 763af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (frame.contains(x, y)) { 764af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cell = child; 765af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellX = lp.cellX; 766af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellY = lp.cellY; 767af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanX = lp.cellHSpan; 768af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanY = lp.cellVSpan; 769af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka found = true; 770af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka break; 77131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 77231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 773af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 774aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 775d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka mLastDownOnOccupiedCell = found; 776d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka 777af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (!found) { 7780be025d64c1f84138fe430a58875886e66aae767Winson Chung final int cellXY[] = mTmpXY; 779af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka pointToCellExact(x, y, cellXY); 78031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 781af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cell = null; 782af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellX = cellXY[0]; 783af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellY = cellXY[1]; 784af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanX = 1; 785af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanY = 1; 786af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 787af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka setTag(cellInfo); 788af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 78931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 790af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka @Override 791af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka public boolean onInterceptTouchEvent(MotionEvent ev) { 792c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen // First we clear the tag to ensure that on every touch down we start with a fresh slate, 793c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen // even in the case where we return early. Not clearing here was causing bugs whereby on 794c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen // long-press we'd end up picking up an item from a previous drag operation. 795c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen final int action = ev.getAction(); 796c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen 797c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen if (action == MotionEvent.ACTION_DOWN) { 798c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen clearTagCellInfo(); 799c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen } 800c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen 801dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka if (mInterceptTouchListener != null && mInterceptTouchListener.onTouch(this, ev)) { 802dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka return true; 803dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 80431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 805af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (action == MotionEvent.ACTION_DOWN) { 806af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka setTagToCellInfoForPoint((int) ev.getX(), (int) ev.getY()); 80731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 808eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung 80931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 81031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 81131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 812c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen private void clearTagCellInfo() { 813c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen final CellInfo cellInfo = mCellInfo; 814c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen cellInfo.cell = null; 815c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen cellInfo.cellX = -1; 816c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen cellInfo.cellY = -1; 817c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen cellInfo.spanX = 0; 818c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen cellInfo.spanY = 0; 819c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen setTag(cellInfo); 820c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen } 821c1997fd6debbc69b53be71b7d871657fd5843c7aAdam Cohen 82231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellInfo getTag() { 8230280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return (CellInfo) super.getTag(); 82431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 82531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 8266569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 827aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Given a point, return the cell that strictly encloses that point 82831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x X coordinate of the point 82931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y Y coordinate of the point 83031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the cell 83131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 83231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void pointToCellExact(int x, int y, int[] result) { 8334b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int hStartPadding = getPaddingLeft(); 8344b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int vStartPadding = getPaddingTop(); 83531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 83631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[0] = (x - hStartPadding) / (mCellWidth + mWidthGap); 83731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[1] = (y - vStartPadding) / (mCellHeight + mHeightGap); 83831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 839d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int xAxis = mCountX; 840d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int yAxis = mCountY; 84131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 84231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[0] < 0) result[0] = 0; 84331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[0] >= xAxis) result[0] = xAxis - 1; 84431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[1] < 0) result[1] = 0; 84531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[1] >= yAxis) result[1] = yAxis - 1; 84631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 847aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 84831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 84931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Given a point, return the cell that most closely encloses that point 85031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x X coordinate of the point 85131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y Y coordinate of the point 85231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the cell 85331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 85431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void pointToCellRounded(int x, int y, int[] result) { 85531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project pointToCellExact(x + (mCellWidth / 2), y + (mCellHeight / 2), result); 85631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 85731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 85831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 85931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Given a cell coordinate, return the point that represents the upper left corner of that cell 860aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 861aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * @param cellX X coordinate of the cell 86231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellY Y coordinate of the cell 863aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 86431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the point 86531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 86631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void cellToPoint(int cellX, int cellY, int[] result) { 8674b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int hStartPadding = getPaddingLeft(); 8684b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int vStartPadding = getPaddingTop(); 86931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 87031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[0] = hStartPadding + cellX * (mCellWidth + mWidthGap); 87131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[1] = vStartPadding + cellY * (mCellHeight + mHeightGap); 87231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 87331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 874e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen /** 875482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * Given a cell coordinate, return the point that represents the center of the cell 876e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen * 877e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen * @param cellX X coordinate of the cell 878e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen * @param cellY Y coordinate of the cell 879e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen * 880e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen * @param result Array of 2 ints to hold the x and y coordinate of the point 881e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen */ 882e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen void cellToCenterPoint(int cellX, int cellY, int[] result) { 88347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen regionToCenterPoint(cellX, cellY, 1, 1, result); 88447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 88547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 88647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen /** 88747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * Given a cell coordinate and span return the point that represents the center of the regio 88847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * 88947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * @param cellX X coordinate of the cell 89047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * @param cellY Y coordinate of the cell 89147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * 89247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * @param result Array of 2 ints to hold the x and y coordinate of the point 89347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen */ 89447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen void regionToCenterPoint(int cellX, int cellY, int spanX, int spanY, int[] result) { 8954b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int hStartPadding = getPaddingLeft(); 8964b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int vStartPadding = getPaddingTop(); 89747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen result[0] = hStartPadding + cellX * (mCellWidth + mWidthGap) + 89847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen (spanX * mCellWidth + (spanX - 1) * mWidthGap) / 2; 89947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen result[1] = vStartPadding + cellY * (mCellHeight + mHeightGap) + 90047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen (spanY * mCellHeight + (spanY - 1) * mHeightGap) / 2; 901e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen } 902e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen 90319f3792523fe2d55ea791a9286398a6120920690Adam Cohen /** 90419f3792523fe2d55ea791a9286398a6120920690Adam Cohen * Given a cell coordinate and span fills out a corresponding pixel rect 90519f3792523fe2d55ea791a9286398a6120920690Adam Cohen * 90619f3792523fe2d55ea791a9286398a6120920690Adam Cohen * @param cellX X coordinate of the cell 90719f3792523fe2d55ea791a9286398a6120920690Adam Cohen * @param cellY Y coordinate of the cell 90819f3792523fe2d55ea791a9286398a6120920690Adam Cohen * @param result Rect in which to write the result 90919f3792523fe2d55ea791a9286398a6120920690Adam Cohen */ 91019f3792523fe2d55ea791a9286398a6120920690Adam Cohen void regionToRect(int cellX, int cellY, int spanX, int spanY, Rect result) { 91119f3792523fe2d55ea791a9286398a6120920690Adam Cohen final int hStartPadding = getPaddingLeft(); 91219f3792523fe2d55ea791a9286398a6120920690Adam Cohen final int vStartPadding = getPaddingTop(); 91319f3792523fe2d55ea791a9286398a6120920690Adam Cohen final int left = hStartPadding + cellX * (mCellWidth + mWidthGap); 91419f3792523fe2d55ea791a9286398a6120920690Adam Cohen final int top = vStartPadding + cellY * (mCellHeight + mHeightGap); 91519f3792523fe2d55ea791a9286398a6120920690Adam Cohen result.set(left, top, left + (spanX * mCellWidth + (spanX - 1) * mWidthGap), 91619f3792523fe2d55ea791a9286398a6120920690Adam Cohen top + (spanY * mCellHeight + (spanY - 1) * mHeightGap)); 91719f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 91819f3792523fe2d55ea791a9286398a6120920690Adam Cohen 919482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public float getDistanceFromCell(float x, float y, int[] cell) { 920482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen cellToCenterPoint(cell[0], cell[1], mTmpPoint); 921482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen float distance = (float) Math.sqrt( Math.pow(x - mTmpPoint[0], 2) + 922482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen Math.pow(y - mTmpPoint[1], 2)); 923482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return distance; 924482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 925482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 92684f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy int getCellWidth() { 92784f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy return mCellWidth; 92884f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 92984f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 93084f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy int getCellHeight() { 93184f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy return mCellHeight; 93284f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 93384f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 934d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen int getWidthGap() { 935d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen return mWidthGap; 936d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 937d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 938d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen int getHeightGap() { 939d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen return mHeightGap; 940d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 941d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 9427f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen Rect getContentRect(Rect r) { 9437f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen if (r == null) { 9447f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen r = new Rect(); 9457f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 9467f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen int left = getPaddingLeft(); 9477f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen int top = getPaddingTop(); 9484b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int right = left + getWidth() - mPaddingLeft - mPaddingRight; 9494b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int bottom = top + getHeight() - mPaddingTop - mPaddingBottom; 9507f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen r.set(left, top, right, bottom); 9517f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen return r; 9527f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 9537f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 95431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 95531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 95631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // TODO: currently ignoring padding 957aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 95831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec); 959aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec); 960aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 96131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec); 96231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int heightSpecSize = MeasureSpec.getSize(heightMeasureSpec); 963aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 96431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (widthSpecMode == MeasureSpec.UNSPECIFIED || heightSpecMode == MeasureSpec.UNSPECIFIED) { 96531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new RuntimeException("CellLayout cannot have UNSPECIFIED dimensions"); 96631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 96731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 968d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen int numWidthGaps = mCountX - 1; 969d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen int numHeightGaps = mCountY - 1; 970d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen 971234c4cd54406e363a2ebc213f6ae5be284414988Adam Cohen if (mOriginalWidthGap < 0 || mOriginalHeightGap < 0) { 9724b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int hSpace = widthSpecSize - mPaddingLeft - mPaddingRight; 9734b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int vSpace = heightSpecSize - mPaddingTop - mPaddingBottom; 9744b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int hFreeSpace = hSpace - (mCountX * mOriginalCellWidth); 9754b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int vFreeSpace = vSpace - (mCountY * mOriginalCellHeight); 9764b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mWidthGap = Math.min(mMaxGap, numWidthGaps > 0 ? (hFreeSpace / numWidthGaps) : 0); 9774b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mHeightGap = Math.min(mMaxGap,numHeightGaps > 0 ? (vFreeSpace / numHeightGaps) : 0); 978a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.setCellDimensions(mCellWidth, mCellHeight, mWidthGap, mHeightGap); 979234c4cd54406e363a2ebc213f6ae5be284414988Adam Cohen } else { 980234c4cd54406e363a2ebc213f6ae5be284414988Adam Cohen mWidthGap = mOriginalWidthGap; 981234c4cd54406e363a2ebc213f6ae5be284414988Adam Cohen mHeightGap = mOriginalHeightGap; 982ece7f5b3b55cab646941123e03589241a61678e2Winson Chung } 9835f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 9848c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka // Initial values correspond to widthSpecMode == MeasureSpec.EXACTLY 9858c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka int newWidth = widthSpecSize; 9868c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka int newHeight = heightSpecSize; 9878c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka if (widthSpecMode == MeasureSpec.AT_MOST) { 9884b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung newWidth = mPaddingLeft + mPaddingRight + (mCountX * mCellWidth) + 9898c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka ((mCountX - 1) * mWidthGap); 9904b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung newHeight = mPaddingTop + mPaddingBottom + (mCountY * mCellHeight) + 9918c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka ((mCountY - 1) * mHeightGap); 9928c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka setMeasuredDimension(newWidth, newHeight); 9938c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka } 99431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 9958c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka int count = getChildCount(); 99631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 99731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = getChildAt(i); 9984b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int childWidthMeasureSpec = MeasureSpec.makeMeasureSpec(newWidth - mPaddingLeft - 9994b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mPaddingRight, MeasureSpec.EXACTLY); 10004b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung int childheightMeasureSpec = MeasureSpec.makeMeasureSpec(newHeight - mPaddingTop - 10014b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung mPaddingBottom, MeasureSpec.EXACTLY); 100231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.measure(childWidthMeasureSpec, childheightMeasureSpec); 100331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 10048c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka setMeasuredDimension(newWidth, newHeight); 100531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 100631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 100731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 100828750fba6a2d141eb9a1e566718c17236030b815Michael Jurka protected void onLayout(boolean changed, int l, int t, int r, int b) { 100931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = getChildCount(); 101031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 10118c920dd3683d752aa4c43e964831ce53f9b72887Michael Jurka View child = getChildAt(i); 10124b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung child.layout(mPaddingLeft, mPaddingTop, 10134b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung r - l - mPaddingRight, b - t - mPaddingBottom); 101431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 101531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 101631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 101731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 1018dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka protected void onSizeChanged(int w, int h, int oldw, int oldh) { 1019dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka super.onSizeChanged(w, h, oldw, oldh); 102018014791be2e3f41080f0bf621c618e3f096c5c7Michael Jurka mBackgroundRect.set(0, 0, w, h); 1021b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen mForegroundRect.set(mForegroundPadding, mForegroundPadding, 1022b5ba097015c4794fa822f30b38a60a7070a00097Adam Cohen w - 2 * mForegroundPadding, h - 2 * mForegroundPadding); 1023dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 1024dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 1025dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka @Override 102631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void setChildrenDrawingCacheEnabled(boolean enabled) { 1027a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.setChildrenDrawingCacheEnabled(enabled); 102831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 102931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 103031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 103131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void setChildrenDrawnWithCacheEnabled(boolean enabled) { 1032a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.setChildrenDrawnWithCacheEnabled(enabled); 103331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 103431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 10355f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public float getBackgroundAlpha() { 10365f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka return mBackgroundAlpha; 1037dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 1038dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 10391b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen public void setBackgroundAlphaMultiplier(float multiplier) { 10401b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen mBackgroundAlphaMultiplier = multiplier; 10411b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen } 10421b0aaac0b3abd777ed319341f95a8dfff23c79f4Adam Cohen 1043ddb821981e0919bbd3b4c9a2b6aa1811d6c86bb6Adam Cohen public float getBackgroundAlphaMultiplier() { 1044ddb821981e0919bbd3b4c9a2b6aa1811d6c86bb6Adam Cohen return mBackgroundAlphaMultiplier; 1045ddb821981e0919bbd3b4c9a2b6aa1811d6c86bb6Adam Cohen } 1046ddb821981e0919bbd3b4c9a2b6aa1811d6c86bb6Adam Cohen 10475f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public void setBackgroundAlpha(float alpha) { 1048afaa05014e0bf3ed1192f9ddec2af4283bc50248Michael Jurka if (mBackgroundAlpha != alpha) { 1049afaa05014e0bf3ed1192f9ddec2af4283bc50248Michael Jurka mBackgroundAlpha = alpha; 1050afaa05014e0bf3ed1192f9ddec2af4283bc50248Michael Jurka invalidate(); 1051afaa05014e0bf3ed1192f9ddec2af4283bc50248Michael Jurka } 1052dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 1053dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 1054a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka public void setShortcutAndWidgetAlpha(float alpha) { 10550142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka final int childCount = getChildCount(); 10560142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka for (int i = 0; i < childCount; i++) { 1057dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka getChildAt(i).setAlpha(alpha); 1058dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 1059dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 1060dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 1061a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka public ShortcutAndWidgetContainer getShortcutsAndWidgets() { 1062a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka if (getChildCount() > 0) { 1063a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka return (ShortcutAndWidgetContainer) getChildAt(0); 1064a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka } 1065a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka return null; 1066a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka } 1067a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka 1068440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy public View getChildAt(int x, int y) { 1069a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka return mShortcutsAndWidgets.getChildAt(x, y); 1070440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy } 1071440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy 107276fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen public boolean animateChildToPosition(final View child, int cellX, int cellY, int duration, 1073482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int delay, boolean permanent, boolean adjustOccupied) { 1074a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka ShortcutAndWidgetContainer clc = getShortcutsAndWidgets(); 1075482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean[][] occupied = mOccupied; 1076482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (!permanent) { 1077482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen occupied = mTmpOccupied; 1078482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1079482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 108019f3792523fe2d55ea791a9286398a6120920690Adam Cohen if (clc.indexOfChild(child) != -1) { 1081bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen final LayoutParams lp = (LayoutParams) child.getLayoutParams(); 1082bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen final ItemInfo info = (ItemInfo) child.getTag(); 1083bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen 1084bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen // We cancel any existing animations 1085bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen if (mReorderAnimators.containsKey(lp)) { 1086bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen mReorderAnimators.get(lp).cancel(); 1087bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen mReorderAnimators.remove(lp); 1088bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1089bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen 1090482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen final int oldX = lp.x; 1091482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen final int oldY = lp.y; 1092482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (adjustOccupied) { 1093482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen occupied[lp.cellX][lp.cellY] = false; 1094482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen occupied[cellX][cellY] = true; 1095482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1096bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen lp.isLockedToGrid = true; 1097482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (permanent) { 1098482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.cellX = info.cellX = cellX; 1099482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.cellY = info.cellY = cellY; 1100482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } else { 1101482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.tmpCellX = cellX; 1102482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.tmpCellY = cellY; 1103482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1104bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen clc.setupLp(lp); 1105bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen lp.isLockedToGrid = false; 1106482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen final int newX = lp.x; 1107482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen final int newY = lp.y; 1108bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen 110976fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen lp.x = oldX; 111076fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen lp.y = oldY; 111176fc085d28178a5d4fb3787ede956281a2cc3179Adam Cohen 1112482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // Exit early if we're not actually moving the view 1113482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (oldX == newX && oldY == newY) { 1114482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.isLockedToGrid = true; 1115482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return true; 1116482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1117482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1118482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen ValueAnimator va = ValueAnimator.ofFloat(0f, 1f); 1119482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen va.setDuration(duration); 1120482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mReorderAnimators.put(lp, va); 1121482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1122482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen va.addUpdateListener(new AnimatorUpdateListener() { 1123482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen @Override 1124bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen public void onAnimationUpdate(ValueAnimator animation) { 1125482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen float r = ((Float) animation.getAnimatedValue()).floatValue(); 112619f3792523fe2d55ea791a9286398a6120920690Adam Cohen lp.x = (int) ((1 - r) * oldX + r * newX); 112719f3792523fe2d55ea791a9286398a6120920690Adam Cohen lp.y = (int) ((1 - r) * oldY + r * newY); 11286b8a02d63a5d9cab8209381993e37db6a6afb753Adam Cohen child.requestLayout(); 1129bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1130bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen }); 1131482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen va.addListener(new AnimatorListenerAdapter() { 1132bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen boolean cancelled = false; 1133bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen public void onAnimationEnd(Animator animation) { 1134bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen // If the animation was cancelled, it means that another animation 1135bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen // has interrupted this one, and we don't want to lock the item into 1136bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen // place just yet. 1137bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen if (!cancelled) { 1138bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen lp.isLockedToGrid = true; 1139482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen child.requestLayout(); 1140bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1141bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen if (mReorderAnimators.containsKey(lp)) { 1142bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen mReorderAnimators.remove(lp); 1143bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1144bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1145bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen public void onAnimationCancel(Animator animation) { 1146bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen cancelled = true; 1147bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1148bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen }); 1149482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen va.setStartDelay(delay); 1150482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen va.start(); 1151bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen return true; 1152bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1153bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen return false; 1154bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen } 1155bfbfd26c627a18f8e1e3e6d0e53e78feab360203Adam Cohen 11566569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 11576569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * Estimate where the top left cell of the dragged item will land if it is dropped. 11586569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * 11596569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param originX The X value of the top left corner of the item 11606569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param originY The Y value of the top left corner of the item 11616569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param spanX The number of horizontal cells that the item spans 11626569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param spanY The number of vertical cells that the item spans 11636569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param result The estimated drop cell X and Y. 11646569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 11656569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy void estimateDropCell(int originX, int originY, int spanX, int spanY, int[] result) { 1166d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int countX = mCountX; 1167d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int countY = mCountY; 11686569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1169a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka // pointToCellRounded takes the top left of a cell but will pad that with 1170a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka // cellWidth/2 and cellHeight/2 when finding the matching cell 1171a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka pointToCellRounded(originX, originY, result); 11726569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 11736569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // If the item isn't fully on this screen, snap to the edges 11746569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy int rightOverhang = result[0] + spanX - countX; 11756569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (rightOverhang > 0) { 11766569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[0] -= rightOverhang; // Snap to right 11776569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 11786569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[0] = Math.max(0, result[0]); // Snap to left 11796569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy int bottomOverhang = result[1] + spanY - countY; 11806569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (bottomOverhang > 0) { 11816569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[1] -= bottomOverhang; // Snap to bottom 11826569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 11836569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[1] = Math.max(0, result[1]); // Snap to top 11846569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 11856569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1186482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen void visualizeDropLocation(View v, Bitmap dragOutline, int originX, int originY, int cellX, 1187482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int cellY, int spanX, int spanY, boolean resize, Point dragOffset, Rect dragRegion) { 118808ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy final int oldDragCellX = mDragCell[0]; 118908ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy final int oldDragCellY = mDragCell[1]; 1190482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1191b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung if (v != null && dragOffset == null) { 1192a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung mDragCenter.set(originX + (v.getWidth() / 2), originY + (v.getHeight() / 2)); 1193a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung } else { 1194a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung mDragCenter.set(originX, originY); 1195a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung } 11966569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 11972801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen if (dragOutline == null && v == null) { 11982801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen if (mCrosshairsDrawable != null) { 11992801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen invalidate(); 12002801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 12012801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen return; 12022801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 12032801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen 1204482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (cellX != oldDragCellX || cellY != oldDragCellY) { 1205482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mDragCell[0] = cellX; 1206482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mDragCell[1] = cellY; 12076569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // Find the top left corner of the rect the object will occupy 1208de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int[] topLeft = mTmpPoint; 1209482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen cellToPoint(cellX, cellY, topLeft); 1210de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 12114be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato int left = topLeft[0]; 12124be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato int top = topLeft[1]; 12136569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1214b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung if (v != null && dragOffset == null) { 121599e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen // When drawing the drag outline, it did not account for margin offsets 121699e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen // added by the view's parent. 121799e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen MarginLayoutParams lp = (MarginLayoutParams) v.getLayoutParams(); 121899e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen left += lp.leftMargin; 121999e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen top += lp.topMargin; 122099e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen 122199e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen // Offsets due to the size difference between the View and the dragOutline. 122299e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen // There is a size difference to account for the outer blur, which may lie 122399e8b40b374d49baabf0c4f4e4278ac25828899bAdam Cohen // outside the bounds of the view. 1224a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung top += (v.getHeight() - dragOutline.getHeight()) / 2; 1225ae915cecd36af4973061a1cb0b58c5be1be699a0Adam Cohen // We center about the x axis 1226ae915cecd36af4973061a1cb0b58c5be1be699a0Adam Cohen left += ((mCellWidth * spanX) + ((spanX - 1) * mWidthGap) 1227ae915cecd36af4973061a1cb0b58c5be1be699a0Adam Cohen - dragOutline.getWidth()) / 2; 12286639687cd67bab1aeef2a75e5c6bc458b20dc082Adam Cohen } else { 1229b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung if (dragOffset != null && dragRegion != null) { 1230b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung // Center the drag region *horizontally* in the cell and apply a drag 1231b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung // outline offset 1232b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung left += dragOffset.x + ((mCellWidth * spanX) + ((spanX - 1) * mWidthGap) 1233b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung - dragRegion.width()) / 2; 1234b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung top += dragOffset.y; 1235b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung } else { 1236b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung // Center the drag outline in the cell 1237b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung left += ((mCellWidth * spanX) + ((spanX - 1) * mWidthGap) 1238b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung - dragOutline.getWidth()) / 2; 1239b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung top += ((mCellHeight * spanY) + ((spanY - 1) * mHeightGap) 1240b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung - dragOutline.getHeight()) / 2; 1241b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung } 1242a9abd0e0bdedb5cbbd12b84cb83037a735e79a20Winson Chung } 12434be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato final int oldIndex = mDragOutlineCurrent; 124408ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[oldIndex].animateOut(); 124508ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineCurrent = (oldIndex + 1) % mDragOutlines.length; 1246d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen Rect r = mDragOutlines[mDragOutlineCurrent]; 1247d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen r.set(left, top, left + dragOutline.getWidth(), top + dragOutline.getHeight()); 1248d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (resize) { 1249482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen cellToRect(cellX, cellY, spanX, spanY, r); 1250d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1251150fbab7de7df45ce0e2d08fb0f0be87ff091c2fWinson Chung 125208ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[mDragOutlineCurrent].setTag(dragOutline); 125308ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[mDragOutlineCurrent].animateIn(); 12546569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 125549250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy 125649250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy // If we are drawing crosshairs, the entire CellLayout needs to be invalidated 125749250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy if (mCrosshairsDrawable != null) { 125849250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy invalidate(); 125949250ad530385fcdd6072ca54697f670ec503b59Patrick Dubroy } 12606569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 12616569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1262e0310965022e7a1adb7ad489505d404186608689Adam Cohen public void clearDragOutlines() { 1263e0310965022e7a1adb7ad489505d404186608689Adam Cohen final int oldIndex = mDragOutlineCurrent; 1264e0310965022e7a1adb7ad489505d404186608689Adam Cohen mDragOutlineAnims[oldIndex].animateOut(); 1265d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen mDragCell[0] = mDragCell[1] = -1; 1266e0310965022e7a1adb7ad489505d404186608689Adam Cohen } 1267e0310965022e7a1adb7ad489505d404186608689Adam Cohen 126831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 126970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Find a vacant area that will fit the given bounds nearest the requested 127070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * cell location. Uses Euclidean distance to score multiple vacant areas. 1271aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 127251afc022fa76c79f0d1ece470ddc126c08fea8a4Romain Guy * @param pixelX The X location at which you want to search for a vacant area. 127351afc022fa76c79f0d1ece470ddc126c08fea8a4Romain Guy * @param pixelY The Y location at which you want to search for a vacant area. 127470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @param spanX Horizontal span of the object. 127570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @param spanY Vertical span of the object. 1276de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * @param result Array in which to place the result, or null (in which case a new array will 1277de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * be allocated) 127870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @return The X, Y cell of a vacant area that can contain this object, 127970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * nearest the requested location. 128031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 1281d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen int[] findNearestVacantArea(int pixelX, int pixelY, int spanX, int spanY, 1282d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen int[] result) { 1283de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy return findNearestVacantArea(pixelX, pixelY, spanX, spanY, null, result); 12846a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka } 1285aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 12866a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka /** 12876a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * Find a vacant area that will fit the given bounds nearest the requested 12886a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * cell location. Uses Euclidean distance to score multiple vacant areas. 12896a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * 12906a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param pixelX The X location at which you want to search for a vacant area. 12916a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param pixelY The Y location at which you want to search for a vacant area. 1292d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param minSpanX The minimum horizontal span required 1293d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param minSpanY The minimum vertical span required 1294d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param spanX Horizontal span of the object. 1295d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param spanY Vertical span of the object. 1296d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param result Array in which to place the result, or null (in which case a new array will 1297d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * be allocated) 1298d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @return The X, Y cell of a vacant area that can contain this object, 1299d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * nearest the requested location. 1300d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen */ 1301d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen int[] findNearestVacantArea(int pixelX, int pixelY, int minSpanX, int minSpanY, int spanX, 1302d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen int spanY, int[] result, int[] resultSpan) { 1303d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen return findNearestVacantArea(pixelX, pixelY, minSpanX, minSpanY, spanX, spanY, null, 1304d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen result, resultSpan); 1305d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1306d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen 1307d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen /** 1308d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * Find a vacant area that will fit the given bounds nearest the requested 1309d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * cell location. Uses Euclidean distance to score multiple vacant areas. 1310d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * 1311d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param pixelX The X location at which you want to search for a vacant area. 1312d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param pixelY The Y location at which you want to search for a vacant area. 13136a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param spanX Horizontal span of the object. 13146a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @param spanY Vertical span of the object. 1315df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param ignoreOccupied If true, the result can be an occupied cell 1316df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param result Array in which to place the result, or null (in which case a new array will 1317df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * be allocated) 13186a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * @return The X, Y cell of a vacant area that can contain this object, 13196a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka * nearest the requested location. 13206a1435d78d5133b1f37274c4d358bf6d22e10229Michael Jurka */ 1321df0353815c629fc678824b07a234b89a1ff94208Adam Cohen int[] findNearestArea(int pixelX, int pixelY, int spanX, int spanY, View ignoreView, 1322df0353815c629fc678824b07a234b89a1ff94208Adam Cohen boolean ignoreOccupied, int[] result) { 1323d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen return findNearestArea(pixelX, pixelY, spanX, spanY, 1324482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen spanX, spanY, ignoreView, ignoreOccupied, result, null, mOccupied); 1325d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1326d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen 1327d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen private final Stack<Rect> mTempRectStack = new Stack<Rect>(); 1328d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen private void lazyInitTempRectStack() { 1329d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (mTempRectStack.isEmpty()) { 1330d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen for (int i = 0; i < mCountX * mCountY; i++) { 1331d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen mTempRectStack.push(new Rect()); 1332d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1333d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1334d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1335482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1336d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen private void recycleTempRects(Stack<Rect> used) { 1337d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen while (!used.isEmpty()) { 1338d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen mTempRectStack.push(used.pop()); 1339d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1340d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1341d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen 1342d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen /** 1343d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * Find a vacant area that will fit the given bounds nearest the requested 1344d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * cell location. Uses Euclidean distance to score multiple vacant areas. 1345d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * 1346d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param pixelX The X location at which you want to search for a vacant area. 1347d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param pixelY The Y location at which you want to search for a vacant area. 1348d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param minSpanX The minimum horizontal span required 1349d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param minSpanY The minimum vertical span required 1350d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param spanX Horizontal span of the object. 1351d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param spanY Vertical span of the object. 1352d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param ignoreOccupied If true, the result can be an occupied cell 1353d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param result Array in which to place the result, or null (in which case a new array will 1354d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * be allocated) 1355d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @return The X, Y cell of a vacant area that can contain this object, 1356d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * nearest the requested location. 1357d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen */ 1358d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen int[] findNearestArea(int pixelX, int pixelY, int minSpanX, int minSpanY, int spanX, int spanY, 1359482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen View ignoreView, boolean ignoreOccupied, int[] result, int[] resultSpan, 1360482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean[][] occupied) { 1361d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen lazyInitTempRectStack(); 1362c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // mark space take by ignoreView as available (method checks if ignoreView is null) 1363482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsAsUnoccupiedForView(ignoreView, occupied); 1364c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka 1365e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen // For items with a spanX / spanY > 1, the passed in point (pixelX, pixelY) corresponds 1366e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen // to the center of the item, but we are searching based on the top-left cell, so 1367e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen // we translate the point over to correspond to the top-left. 1368e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen pixelX -= (mCellWidth + mWidthGap) * (spanX - 1) / 2f; 1369e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen pixelY -= (mCellHeight + mHeightGap) * (spanY - 1) / 2f; 1370e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen 137170864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Keep track of best-scoring drop area 1372de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int[] bestXY = result != null ? result : new int[2]; 137370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey double bestDistance = Double.MAX_VALUE; 1374d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen final Rect bestRect = new Rect(-1, -1, -1, -1); 1375d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen final Stack<Rect> validRegions = new Stack<Rect>(); 1376aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1377de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countX = mCountX; 1378de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy final int countY = mCountY; 1379de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy 1380d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (minSpanX <= 0 || minSpanY <= 0 || spanX <= 0 || spanY <= 0 || 1381d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen spanX < minSpanX || spanY < minSpanY) { 1382d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen return bestXY; 1383d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1384d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen 1385d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen for (int y = 0; y < countY - (minSpanY - 1); y++) { 1386c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka inner: 1387d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen for (int x = 0; x < countX - (minSpanX - 1); x++) { 1388d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen int ySize = -1; 1389d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen int xSize = -1; 1390df0353815c629fc678824b07a234b89a1ff94208Adam Cohen if (ignoreOccupied) { 1391d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen // First, let's see if this thing fits anywhere 1392d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen for (int i = 0; i < minSpanX; i++) { 1393d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen for (int j = 0; j < minSpanY; j++) { 1394df0353815c629fc678824b07a234b89a1ff94208Adam Cohen if (occupied[x + i][y + j]) { 1395df0353815c629fc678824b07a234b89a1ff94208Adam Cohen continue inner; 1396df0353815c629fc678824b07a234b89a1ff94208Adam Cohen } 1397c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 1398c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 1399d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen xSize = minSpanX; 1400d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen ySize = minSpanY; 1401d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen 1402d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen // We know that the item will fit at _some_ acceptable size, now let's see 1403d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen // how big we can make it. We'll alternate between incrementing x and y spans 1404d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen // until we hit a limit. 1405d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen boolean incX = true; 1406d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen boolean hitMaxX = xSize >= spanX; 1407d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen boolean hitMaxY = ySize >= spanY; 1408d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen while (!(hitMaxX && hitMaxY)) { 1409d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (incX && !hitMaxX) { 1410d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen for (int j = 0; j < ySize; j++) { 1411d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (x + xSize > countX -1 || occupied[x + xSize][y + j]) { 1412d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen // We can't move out horizontally 1413d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen hitMaxX = true; 1414d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1415d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1416d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (!hitMaxX) { 1417d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen xSize++; 1418d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1419d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } else if (!hitMaxY) { 1420d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen for (int i = 0; i < xSize; i++) { 1421d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (y + ySize > countY - 1 || occupied[x + i][y + ySize]) { 1422d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen // We can't move out vertically 1423d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen hitMaxY = true; 1424d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1425d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1426d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (!hitMaxY) { 1427d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen ySize++; 1428d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1429d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1430d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen hitMaxX |= xSize >= spanX; 1431d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen hitMaxY |= ySize >= spanY; 1432d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen incX = !incX; 1433d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1434d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen incX = true; 1435d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen hitMaxX = xSize >= spanX; 1436d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen hitMaxY = ySize >= spanY; 1437c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 14380be025d64c1f84138fe430a58875886e66aae767Winson Chung final int[] cellXY = mTmpXY; 1439e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen cellToCenterPoint(x, y, cellXY); 1440c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka 1441d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen // We verify that the current rect is not a sub-rect of any of our previous 1442d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen // candidates. In this case, the current rect is disqualified in favour of the 1443d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen // containing rect. 1444d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen Rect currentRect = mTempRectStack.pop(); 1445d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen currentRect.set(x, y, x + xSize, y + ySize); 1446d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen boolean contained = false; 1447d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen for (Rect r : validRegions) { 1448d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (r.contains(currentRect)) { 1449d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen contained = true; 1450d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen break; 1451d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1452d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1453d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen validRegions.push(currentRect); 1454c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka double distance = Math.sqrt(Math.pow(cellXY[0] - pixelX, 2) 1455c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka + Math.pow(cellXY[1] - pixelY, 2)); 1456482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1457d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if ((distance <= bestDistance && !contained) || 1458d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen currentRect.contains(bestRect)) { 1459c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestDistance = distance; 1460c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestXY[0] = x; 1461c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestXY[1] = y; 1462d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen if (resultSpan != null) { 1463d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen resultSpan[0] = xSize; 1464d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen resultSpan[1] = ySize; 1465d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 1466d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen bestRect.set(currentRect); 1467c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 146831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 146931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1470c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // re-mark space taken by ignoreView as occupied 1471482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsAsOccupiedForView(ignoreView, occupied); 147231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1473c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen // Return -1, -1 if no suitable location found 1474c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen if (bestDistance == Double.MAX_VALUE) { 1475c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen bestXY[0] = -1; 1476c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen bestXY[1] = -1; 147770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 1478d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen recycleTempRects(validRegions); 1479c0dcf597084d00e4c23a7fea5fd0738f6c095a6bAdam Cohen return bestXY; 148031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1481aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1482482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen /** 1483482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * Find a vacant area that will fit the given bounds nearest the requested 1484482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * cell location, and will also weigh in a suggested direction vector of the 1485482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * desired location. This method computers distance based on unit grid distances, 1486482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * not pixel distances. 1487482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * 148847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * @param cellX The X cell nearest to which you want to search for a vacant area. 148947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * @param cellY The Y cell nearest which you want to search for a vacant area. 1490482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * @param spanX Horizontal span of the object. 1491482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * @param spanY Vertical span of the object. 149247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * @param direction The favored direction in which the views should move from x, y 149347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * @param exactDirectionOnly If this parameter is true, then only solutions where the direction 149447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * matches exactly. Otherwise we find the best matching direction. 149547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * @param occoupied The array which represents which cells in the CellLayout are occupied 149647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * @param blockOccupied The array which represents which cells in the specified block (cellX, 149747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen * cellY, spanX, spanY) are occupied. This is used when try to move a group of views. 1498482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * @param result Array in which to place the result, or null (in which case a new array will 1499482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * be allocated) 1500482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * @return The X, Y cell of a vacant area that can contain this object, 1501482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * nearest the requested location. 1502482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen */ 1503482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private int[] findNearestArea(int cellX, int cellY, int spanX, int spanY, int[] direction, 150447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen boolean[][] occupied, boolean blockOccupied[][], int[] result) { 1505482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // Keep track of best-scoring drop area 1506482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen final int[] bestXY = result != null ? result : new int[2]; 1507482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen float bestDistance = Float.MAX_VALUE; 1508482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int bestDirectionScore = Integer.MIN_VALUE; 1509482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1510482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen final int countX = mCountX; 1511482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen final int countY = mCountY; 1512482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1513482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int y = 0; y < countY - (spanY - 1); y++) { 1514482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen inner: 1515482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int x = 0; x < countX - (spanX - 1); x++) { 1516482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // First, let's see if this thing fits anywhere 1517482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < spanX; i++) { 1518482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int j = 0; j < spanY; j++) { 151947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if (occupied[x + i][y + j] && (blockOccupied == null || blockOccupied[i][j])) { 1520482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen continue inner; 1521482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1522482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1523482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1524482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1525482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen float distance = (float) 1526482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen Math.sqrt((x - cellX) * (x - cellX) + (y - cellY) * (y - cellY)); 1527482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int[] curDirection = mTmpPoint; 152847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen computeDirectionVector(x - cellX, y - cellY, curDirection); 152947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen // The direction score is just the dot product of the two candidate direction 153047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen // and that passed in. 1531482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int curDirectionScore = direction[0] * curDirection[0] + 1532482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen direction[1] * curDirection[1]; 153347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen boolean exactDirectionOnly = false; 153447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen boolean directionMatches = direction[0] == curDirection[0] && 153547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen direction[0] == curDirection[0]; 153647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if ((directionMatches || !exactDirectionOnly) && 153747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen Float.compare(distance, bestDistance) < 0 || (Float.compare(distance, 1538482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen bestDistance) == 0 && curDirectionScore > bestDirectionScore)) { 1539482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen bestDistance = distance; 1540482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen bestDirectionScore = curDirectionScore; 1541482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen bestXY[0] = x; 1542482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen bestXY[1] = y; 1543482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1544482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1545482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1546482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1547482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // Return -1, -1 if no suitable location found 1548482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (bestDistance == Float.MAX_VALUE) { 1549482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen bestXY[0] = -1; 1550482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen bestXY[1] = -1; 1551482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1552482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return bestXY; 1553482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1554482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 155547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen private int[] findNearestAreaInDirection(int cellX, int cellY, int spanX, int spanY, 155647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen int[] direction,boolean[][] occupied, 155747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen boolean blockOccupied[][], int[] result) { 155847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen // Keep track of best-scoring drop area 155947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen final int[] bestXY = result != null ? result : new int[2]; 156047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen bestXY[0] = -1; 156147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen bestXY[1] = -1; 156247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen float bestDistance = Float.MAX_VALUE; 156347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 156447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen // We use this to march in a single direction 156547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if (direction[0] != 0 && direction[1] != 0) { 156647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen return bestXY; 156747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 156847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 156947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen // This will only incrememnet one of x or y based on the assertion above 157047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen int x = cellX + direction[0]; 157147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen int y = cellY + direction[1]; 157247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen while (x >= 0 && x + spanX <= mCountX && y >= 0 && y + spanY <= mCountY) { 157347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 157447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen boolean fail = false; 157547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen for (int i = 0; i < spanX; i++) { 157647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen for (int j = 0; j < spanY; j++) { 157747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if (occupied[x + i][y + j] && (blockOccupied == null || blockOccupied[i][j])) { 157847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen fail = true; 157947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 158047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 158147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 158247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if (!fail) { 158347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen float distance = (float) 158447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen Math.sqrt((x - cellX) * (x - cellX) + (y - cellY) * (y - cellY)); 158547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if (Float.compare(distance, bestDistance) < 0) { 158647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen bestDistance = distance; 158747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen bestXY[0] = x; 158847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen bestXY[1] = y; 158947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 159047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 159147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen x += direction[0]; 159247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen y += direction[1]; 159347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 159447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen return bestXY; 159547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 159647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 1597482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private boolean addViewToTempLocation(View v, Rect rectOccupiedByPotentialDrop, 15988baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen int[] direction, ItemConfiguration currentState) { 15998baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen CellAndSpan c = currentState.map.get(v); 1600482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean success = false; 16018baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen markCellsForView(c.x, c.y, c.spanX, c.spanY, mTmpOccupied, false); 1602482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForRect(rectOccupiedByPotentialDrop, mTmpOccupied, true); 1603482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 16048baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen findNearestArea(c.x, c.y, c.spanX, c.spanY, direction, mTmpOccupied, null, mTempLocation); 1605482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1606482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (mTempLocation[0] >= 0 && mTempLocation[1] >= 0) { 16078baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen c.x = mTempLocation[0]; 16088baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen c.y = mTempLocation[1]; 1609482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen success = true; 1610482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1611482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 16128baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen markCellsForView(c.x, c.y, c.spanX, c.spanY, mTmpOccupied, true); 1613482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return success; 1614482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1615482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 161647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen // This method looks in the specified direction to see if there is an additional view 161747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen // immediately adjecent in that direction 161847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen private boolean addViewInDirection(ArrayList<View> views, Rect boundingRect, int[] direction, 161919f3792523fe2d55ea791a9286398a6120920690Adam Cohen boolean[][] occupied, View dragView, ItemConfiguration currentState) { 162047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen boolean found = false; 162147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 1622a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka int childCount = mShortcutsAndWidgets.getChildCount(); 162347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen Rect r0 = new Rect(boundingRect); 162447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen Rect r1 = new Rect(); 162547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 162647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen int deltaX = 0; 162747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen int deltaY = 0; 162847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if (direction[1] < 0) { 162947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen r0.set(r0.left, r0.top - 1, r0.right, r0.bottom); 163047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen deltaY = -1; 163147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } else if (direction[1] > 0) { 163247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen r0.set(r0.left, r0.top, r0.right, r0.bottom + 1); 163347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen deltaY = 1; 163447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } else if (direction[0] < 0) { 163547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen r0.set(r0.left - 1, r0.top, r0.right, r0.bottom); 163647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen deltaX = -1; 163747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } else if (direction[0] > 0) { 163847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen r0.set(r0.left, r0.top, r0.right + 1, r0.bottom); 163947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen deltaX = 1; 164047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 164147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 164247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen for (int i = 0; i < childCount; i++) { 1643a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka View child = mShortcutsAndWidgets.getChildAt(i); 164419f3792523fe2d55ea791a9286398a6120920690Adam Cohen if (views.contains(child) || child == dragView) continue; 16458baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen CellAndSpan c = currentState.map.get(child); 164647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 16478baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen LayoutParams lp = (LayoutParams) child.getLayoutParams(); 16488baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen r1.set(c.x, c.y, c.x + c.spanX, c.y + c.spanY); 164947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if (Rect.intersects(r0, r1)) { 165047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if (!lp.canReorder) { 165147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen return false; 165247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 165347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen boolean pushed = false; 16548baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen for (int x = c.x; x < c.x + c.spanX; x++) { 16558baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen for (int y = c.y; y < c.y + c.spanY; y++) { 165647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen boolean inBounds = x - deltaX >= 0 && x -deltaX < mCountX 165747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen && y - deltaY >= 0 && y - deltaY < mCountY; 165847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if (inBounds && occupied[x - deltaX][y - deltaY]) { 165947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen pushed = true; 166047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 166147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 166247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 166347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if (pushed) { 166447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen views.add(child); 16658baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen boundingRect.union(c.x, c.y, c.x + c.spanX, c.y + c.spanY); 166647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen found = true; 166747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 166847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 166947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 167047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen return found; 167147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 167247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 16738baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen private boolean addViewsToTempLocation(ArrayList<View> views, Rect rectOccupiedByPotentialDrop, 167419f3792523fe2d55ea791a9286398a6120920690Adam Cohen int[] direction, boolean push, View dragView, ItemConfiguration currentState) { 167547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if (views.size() == 0) return true; 167647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 167747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen boolean success = false; 167847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen Rect boundingRect = null; 16798baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // We construct a rect which represents the entire group of views passed in 168047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen for (View v: views) { 16818baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen CellAndSpan c = currentState.map.get(v); 168247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if (boundingRect == null) { 16838baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen boundingRect = new Rect(c.x, c.y, c.x + c.spanX, c.y + c.spanY); 168447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } else { 16858baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen boundingRect.union(c.x, c.y, c.x + c.spanX, c.y + c.spanY); 168647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 168747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 168847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 16898baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen @SuppressWarnings("unchecked") 169047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen ArrayList<View> dup = (ArrayList<View>) views.clone(); 16918baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // We try and expand the group of views in the direction vector passed, based on 16928baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // whether they are physically adjacent, ie. based on "push mechanics". 169319f3792523fe2d55ea791a9286398a6120920690Adam Cohen while (push && addViewInDirection(dup, boundingRect, direction, mTmpOccupied, dragView, 16948baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen currentState)) { 169547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 16968baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen 16978baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // Mark the occupied state as false for the group of views we want to move. 169847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen for (View v: dup) { 16998baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen CellAndSpan c = currentState.map.get(v); 17008baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen markCellsForView(c.x, c.y, c.spanX, c.spanY, mTmpOccupied, false); 170147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 170247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 170347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen boolean[][] blockOccupied = new boolean[boundingRect.width()][boundingRect.height()]; 170447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen int top = boundingRect.top; 170547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen int left = boundingRect.left; 17068baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // We mark more precisely which parts of the bounding rect are truly occupied, allowing 17078baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // for tetris-style interlocking. 170847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen for (View v: dup) { 17098baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen CellAndSpan c = currentState.map.get(v); 17108baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen markCellsForView(c.x - left, c.y - top, c.spanX, c.spanY, blockOccupied, true); 171147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 171247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 171347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen markCellsForRect(rectOccupiedByPotentialDrop, mTmpOccupied, true); 171447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 17158baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen if (push) { 17168baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen findNearestAreaInDirection(boundingRect.left, boundingRect.top, boundingRect.width(), 17178baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen boundingRect.height(), direction, mTmpOccupied, blockOccupied, mTempLocation); 17188baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen } else { 17198baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen findNearestArea(boundingRect.left, boundingRect.top, boundingRect.width(), 17208baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen boundingRect.height(), direction, mTmpOccupied, blockOccupied, mTempLocation); 17218baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen } 172247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 17238baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // If we successfuly found a location by pushing the block of views, we commit it 172447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen if (mTempLocation[0] >= 0 && mTempLocation[1] >= 0) { 17258baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen int deltaX = mTempLocation[0] - boundingRect.left; 17268baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen int deltaY = mTempLocation[1] - boundingRect.top; 172747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen for (View v: dup) { 17288baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen CellAndSpan c = currentState.map.get(v); 17298baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen c.x += deltaX; 17308baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen c.y += deltaY; 173147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 173247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen success = true; 173347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 1734482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 17358baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // In either case, we set the occupied array as marked for the location of the views 17368baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen for (View v: dup) { 17378baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen CellAndSpan c = currentState.map.get(v); 17388baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen markCellsForView(c.x, c.y, c.spanX, c.spanY, mTmpOccupied, true); 1739482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1740482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return success; 1741482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1742482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1743482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private void markCellsForRect(Rect r, boolean[][] occupied, boolean value) { 1744482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForView(r.left, r.top, r.width(), r.height(), occupied, value); 1745482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1746482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1747482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private boolean rearrangementExists(int cellX, int cellY, int spanX, int spanY, int[] direction, 17488baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen View ignoreView, ItemConfiguration solution) { 1749482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 17508baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen mIntersectingViews.clear(); 1751482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mOccupiedRect.set(cellX, cellY, cellX + spanX, cellY + spanY); 1752482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 17538baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // Mark the desired location of the view currently being dragged. 1754482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (ignoreView != null) { 17558baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen CellAndSpan c = solution.map.get(ignoreView); 175619f3792523fe2d55ea791a9286398a6120920690Adam Cohen if (c != null) { 175719f3792523fe2d55ea791a9286398a6120920690Adam Cohen c.x = cellX; 175819f3792523fe2d55ea791a9286398a6120920690Adam Cohen c.y = cellY; 175919f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 1760482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1761482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen Rect r0 = new Rect(cellX, cellY, cellX + spanX, cellY + spanY); 1762482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen Rect r1 = new Rect(); 17638baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen for (View child: solution.map.keySet()) { 1764482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (child == ignoreView) continue; 17658baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen CellAndSpan c = solution.map.get(child); 1766482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen LayoutParams lp = (LayoutParams) child.getLayoutParams(); 17678baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen r1.set(c.x, c.y, c.x + c.spanX, c.y + c.spanY); 1768482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (Rect.intersects(r0, r1)) { 1769482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (!lp.canReorder) { 1770482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return false; 1771482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1772482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mIntersectingViews.add(child); 1773482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1774482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 177547a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 17768baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // We try to move the intersecting views as a block using the push mechanic 177719f3792523fe2d55ea791a9286398a6120920690Adam Cohen if (addViewsToTempLocation(mIntersectingViews, mOccupiedRect, direction, true, ignoreView, 177819f3792523fe2d55ea791a9286398a6120920690Adam Cohen solution)) { 177947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen return true; 178047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 178147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen // Try the opposite direction 178247a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen direction[0] *= -1; 178347a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen direction[1] *= -1; 178419f3792523fe2d55ea791a9286398a6120920690Adam Cohen if (addViewsToTempLocation(mIntersectingViews, mOccupiedRect, direction, true, ignoreView, 178519f3792523fe2d55ea791a9286398a6120920690Adam Cohen solution)) { 178647a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen return true; 178747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen } 178847a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen // Switch the direction back 178947a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen direction[0] *= -1; 179047a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen direction[1] *= -1; 179147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 17928baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // Next we try moving the views as a block , but without requiring the push mechanic 179319f3792523fe2d55ea791a9286398a6120920690Adam Cohen if (addViewsToTempLocation(mIntersectingViews, mOccupiedRect, direction, false, ignoreView, 179419f3792523fe2d55ea791a9286398a6120920690Adam Cohen solution)) { 1795482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return true; 1796482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 179747a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen 1798482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // Ok, they couldn't move as a block, let's move them individually 1799482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (View v : mIntersectingViews) { 18008baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen if (!addViewToTempLocation(v, mOccupiedRect, direction, solution)) { 1801482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return false; 1802482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1803482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1804482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return true; 1805482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1806482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1807482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen /* 1808482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * Returns a pair (x, y), where x,y are in {-1, 0, 1} corresponding to vector between 1809482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * the provided point and the provided cell 1810482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen */ 181147a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen private void computeDirectionVector(float deltaX, float deltaY, int[] result) { 1812482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen double angle = Math.atan(((float) deltaY) / deltaX); 1813482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1814482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result[0] = 0; 1815482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result[1] = 0; 1816482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (Math.abs(Math.cos(angle)) > 0.5f) { 1817482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result[0] = (int) Math.signum(deltaX); 1818482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1819482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (Math.abs(Math.sin(angle)) > 0.5f) { 1820482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result[1] = (int) Math.signum(deltaY); 1821482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1822482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1823482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 18248baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen private void copyOccupiedArray(boolean[][] occupied) { 18258baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen for (int i = 0; i < mCountX; i++) { 18268baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen for (int j = 0; j < mCountY; j++) { 18278baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen occupied[i][j] = mOccupied[i][j]; 18288baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen } 18298baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen } 18308baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen } 18318baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen 1832482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen ItemConfiguration simpleSwap(int pixelX, int pixelY, int minSpanX, int minSpanY, int spanX, 1833482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int spanY, int[] direction, View dragView, boolean decX, ItemConfiguration solution) { 18348baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // Copy the current state into the solution. This solution will be manipulated as necessary. 18358baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen copyCurrentStateToSolution(solution, false); 18368baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // Copy the current occupied array into the temporary occupied array. This array will be 18378baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen // manipulated as necessary to find a solution. 18388baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen copyOccupiedArray(mTmpOccupied); 1839482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1840482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // We find the nearest cell into which we would place the dragged item, assuming there's 1841482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // nothing in its way. 1842482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int result[] = new int[2]; 1843482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result = findNearestArea(pixelX, pixelY, spanX, spanY, result); 1844482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1845482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean success = false; 1846482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // First we try the exact nearest position of the item being dragged, 1847482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // we will then want to try to move this around to other neighbouring positions 18488baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen success = rearrangementExists(result[0], result[1], spanX, spanY, direction, dragView, 18498baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen solution); 1850482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1851482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (!success) { 1852482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // We try shrinking the widget down to size in an alternating pattern, shrink 1 in 1853482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // x, then 1 in y etc. 1854482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (spanX > minSpanX && (minSpanY == spanY || decX)) { 1855482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return simpleSwap(pixelX, pixelY, minSpanX, minSpanY, spanX - 1, spanY, direction, 1856482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen dragView, false, solution); 1857482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } else if (spanY > minSpanY) { 1858482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return simpleSwap(pixelX, pixelY, minSpanX, minSpanY, spanX, spanY - 1, direction, 1859482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen dragView, true, solution); 1860482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1861482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.isSolution = false; 1862482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } else { 1863482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.isSolution = true; 1864482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewX = result[0]; 1865482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewY = result[1]; 1866482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewSpanX = spanX; 1867482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewSpanY = spanY; 1868482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1869482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return solution; 1870482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1871482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1872482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private void copyCurrentStateToSolution(ItemConfiguration solution, boolean temp) { 1873a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka int childCount = mShortcutsAndWidgets.getChildCount(); 1874482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < childCount; i++) { 1875a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka View child = mShortcutsAndWidgets.getChildAt(i); 1876482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen LayoutParams lp = (LayoutParams) child.getLayoutParams(); 18778baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen CellAndSpan c; 1878482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (temp) { 18798baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen c = new CellAndSpan(lp.tmpCellX, lp.tmpCellY, lp.cellHSpan, lp.cellVSpan); 1880482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } else { 18818baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen c = new CellAndSpan(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan); 1882482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 18838baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen solution.map.put(child, c); 1884482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1885482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1886482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1887482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private void copySolutionToTempState(ItemConfiguration solution, View dragView) { 1888482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < mCountX; i++) { 1889482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int j = 0; j < mCountY; j++) { 1890482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mTmpOccupied[i][j] = false; 1891482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1892482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1893482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1894a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka int childCount = mShortcutsAndWidgets.getChildCount(); 1895482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < childCount; i++) { 1896a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka View child = mShortcutsAndWidgets.getChildAt(i); 1897482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (child == dragView) continue; 1898482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen LayoutParams lp = (LayoutParams) child.getLayoutParams(); 18998baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen CellAndSpan c = solution.map.get(child); 19008baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen if (c != null) { 19018baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen lp.tmpCellX = c.x; 19028baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen lp.tmpCellY = c.y; 19038baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen lp.cellHSpan = c.spanX; 19048baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen lp.cellVSpan = c.spanY; 19058baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen markCellsForView(c.x, c.y, c.spanX, c.spanY, mTmpOccupied, true); 1906482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1907482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1908482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForView(solution.dragViewX, solution.dragViewY, solution.dragViewSpanX, 1909482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewSpanY, mTmpOccupied, true); 1910482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1911482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1912482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private void animateItemsToSolution(ItemConfiguration solution, View dragView, boolean 1913482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen commitDragView) { 1914482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1915482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean[][] occupied = DESTRUCTIVE_REORDER ? mOccupied : mTmpOccupied; 1916482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < mCountX; i++) { 1917482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int j = 0; j < mCountY; j++) { 1918482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen occupied[i][j] = false; 1919482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1920482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1921482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 1922a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka int childCount = mShortcutsAndWidgets.getChildCount(); 1923482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < childCount; i++) { 1924a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka View child = mShortcutsAndWidgets.getChildAt(i); 1925482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (child == dragView) continue; 19268baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen CellAndSpan c = solution.map.get(child); 19278baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen if (c != null) { 192819f3792523fe2d55ea791a9286398a6120920690Adam Cohen animateChildToPosition(child, c.x, c.y, REORDER_ANIMATION_DURATION, 0, 192919f3792523fe2d55ea791a9286398a6120920690Adam Cohen DESTRUCTIVE_REORDER, false); 19308baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen markCellsForView(c.x, c.y, c.spanX, c.spanY, occupied, true); 1931482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1932482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1933482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (commitDragView) { 1934482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForView(solution.dragViewX, solution.dragViewY, solution.dragViewSpanX, 1935482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewSpanY, occupied, true); 1936482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1937482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 1938482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 193919f3792523fe2d55ea791a9286398a6120920690Adam Cohen // This method starts or changes the reorder hint animations 194019f3792523fe2d55ea791a9286398a6120920690Adam Cohen private void beginOrAdjustHintAnimations(ItemConfiguration solution, View dragView, int delay) { 194119f3792523fe2d55ea791a9286398a6120920690Adam Cohen int childCount = mShortcutsAndWidgets.getChildCount(); 194219f3792523fe2d55ea791a9286398a6120920690Adam Cohen int timeForPriorAnimationToComplete = getMaxCompletionTime(); 194319f3792523fe2d55ea791a9286398a6120920690Adam Cohen for (int i = 0; i < childCount; i++) { 194419f3792523fe2d55ea791a9286398a6120920690Adam Cohen View child = mShortcutsAndWidgets.getChildAt(i); 194519f3792523fe2d55ea791a9286398a6120920690Adam Cohen if (child == dragView) continue; 194619f3792523fe2d55ea791a9286398a6120920690Adam Cohen CellAndSpan c = solution.map.get(child); 194719f3792523fe2d55ea791a9286398a6120920690Adam Cohen LayoutParams lp = (LayoutParams) child.getLayoutParams(); 194819f3792523fe2d55ea791a9286398a6120920690Adam Cohen if (c != null) { 194919f3792523fe2d55ea791a9286398a6120920690Adam Cohen ReorderHintAnimation rha = new ReorderHintAnimation(child, lp.cellX, lp.cellY, 195019f3792523fe2d55ea791a9286398a6120920690Adam Cohen c.x, c.y, c.spanX, c.spanY); 195119f3792523fe2d55ea791a9286398a6120920690Adam Cohen rha.animate(timeForPriorAnimationToComplete); 195219f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 195319f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 195419f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 195519f3792523fe2d55ea791a9286398a6120920690Adam Cohen 195619f3792523fe2d55ea791a9286398a6120920690Adam Cohen // Class which represents the reorder hint animations. These animations show that an item is 195719f3792523fe2d55ea791a9286398a6120920690Adam Cohen // in a temporary state, and hint at where the item will return to. 195819f3792523fe2d55ea791a9286398a6120920690Adam Cohen class ReorderHintAnimation { 195919f3792523fe2d55ea791a9286398a6120920690Adam Cohen View child; 196019f3792523fe2d55ea791a9286398a6120920690Adam Cohen float deltaX; 196119f3792523fe2d55ea791a9286398a6120920690Adam Cohen float deltaY; 196219f3792523fe2d55ea791a9286398a6120920690Adam Cohen private static final int DURATION = 140; 196319f3792523fe2d55ea791a9286398a6120920690Adam Cohen private int repeatCount; 196419f3792523fe2d55ea791a9286398a6120920690Adam Cohen private boolean cancelOnCycleComplete = false; 196519f3792523fe2d55ea791a9286398a6120920690Adam Cohen ValueAnimator va; 196619f3792523fe2d55ea791a9286398a6120920690Adam Cohen 196719f3792523fe2d55ea791a9286398a6120920690Adam Cohen public ReorderHintAnimation(View child, int cellX0, int cellY0, int cellX1, int cellY1, 196819f3792523fe2d55ea791a9286398a6120920690Adam Cohen int spanX, int spanY) { 196919f3792523fe2d55ea791a9286398a6120920690Adam Cohen regionToCenterPoint(cellX0, cellY0, spanX, spanY, mTmpPoint); 197019f3792523fe2d55ea791a9286398a6120920690Adam Cohen final int x0 = mTmpPoint[0]; 197119f3792523fe2d55ea791a9286398a6120920690Adam Cohen final int y0 = mTmpPoint[1]; 197219f3792523fe2d55ea791a9286398a6120920690Adam Cohen regionToCenterPoint(cellX1, cellY1, spanX, spanY, mTmpPoint); 197319f3792523fe2d55ea791a9286398a6120920690Adam Cohen final int x1 = mTmpPoint[0]; 197419f3792523fe2d55ea791a9286398a6120920690Adam Cohen final int y1 = mTmpPoint[1]; 197519f3792523fe2d55ea791a9286398a6120920690Adam Cohen final int dX = x1 - x0; 197619f3792523fe2d55ea791a9286398a6120920690Adam Cohen final int dY = y1 - y0; 197719f3792523fe2d55ea791a9286398a6120920690Adam Cohen deltaX = 0; 197819f3792523fe2d55ea791a9286398a6120920690Adam Cohen deltaY = 0; 197919f3792523fe2d55ea791a9286398a6120920690Adam Cohen if (dX == dY && dX == 0) { 198019f3792523fe2d55ea791a9286398a6120920690Adam Cohen } else { 198119f3792523fe2d55ea791a9286398a6120920690Adam Cohen if (dY == 0) { 198219f3792523fe2d55ea791a9286398a6120920690Adam Cohen deltaX = mReorderHintAnimationMagnitude; 198319f3792523fe2d55ea791a9286398a6120920690Adam Cohen } else if (dX == 0) { 198419f3792523fe2d55ea791a9286398a6120920690Adam Cohen deltaY = mReorderHintAnimationMagnitude; 198519f3792523fe2d55ea791a9286398a6120920690Adam Cohen } else { 198619f3792523fe2d55ea791a9286398a6120920690Adam Cohen double angle = Math.atan( (float) (dY) / dX); 198719f3792523fe2d55ea791a9286398a6120920690Adam Cohen deltaX = (int) (Math.cos(angle) * mReorderHintAnimationMagnitude); 198819f3792523fe2d55ea791a9286398a6120920690Adam Cohen deltaY = (int) (Math.sin(angle) * mReorderHintAnimationMagnitude); 198919f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 199019f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 199119f3792523fe2d55ea791a9286398a6120920690Adam Cohen this.child = child; 199219f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 199319f3792523fe2d55ea791a9286398a6120920690Adam Cohen 199419f3792523fe2d55ea791a9286398a6120920690Adam Cohen void animate(int delay) { 199519f3792523fe2d55ea791a9286398a6120920690Adam Cohen if (mShakeAnimators.containsKey(child)) { 199619f3792523fe2d55ea791a9286398a6120920690Adam Cohen ReorderHintAnimation oldAnimation = mShakeAnimators.get(child); 199719f3792523fe2d55ea791a9286398a6120920690Adam Cohen oldAnimation.completeAnimation(); 199819f3792523fe2d55ea791a9286398a6120920690Adam Cohen mShakeAnimators.remove(child); 199919f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 200019f3792523fe2d55ea791a9286398a6120920690Adam Cohen if (deltaX == 0 && deltaY == 0) { 200119f3792523fe2d55ea791a9286398a6120920690Adam Cohen return; 200219f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 200319f3792523fe2d55ea791a9286398a6120920690Adam Cohen va = ValueAnimator.ofFloat(0f, 1f); 200419f3792523fe2d55ea791a9286398a6120920690Adam Cohen va.setRepeatMode(ValueAnimator.REVERSE); 200519f3792523fe2d55ea791a9286398a6120920690Adam Cohen va.setRepeatCount(ValueAnimator.INFINITE); 200619f3792523fe2d55ea791a9286398a6120920690Adam Cohen va.setDuration(DURATION); 200719f3792523fe2d55ea791a9286398a6120920690Adam Cohen va.addUpdateListener(new AnimatorUpdateListener() { 200819f3792523fe2d55ea791a9286398a6120920690Adam Cohen @Override 200919f3792523fe2d55ea791a9286398a6120920690Adam Cohen public void onAnimationUpdate(ValueAnimator animation) { 201019f3792523fe2d55ea791a9286398a6120920690Adam Cohen float r = ((Float) animation.getAnimatedValue()).floatValue(); 201119f3792523fe2d55ea791a9286398a6120920690Adam Cohen float x = r * deltaX; 201219f3792523fe2d55ea791a9286398a6120920690Adam Cohen float y = r * deltaY; 201319f3792523fe2d55ea791a9286398a6120920690Adam Cohen child.setTranslationX(x); 201419f3792523fe2d55ea791a9286398a6120920690Adam Cohen child.setTranslationY(y); 201519f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 201619f3792523fe2d55ea791a9286398a6120920690Adam Cohen }); 201719f3792523fe2d55ea791a9286398a6120920690Adam Cohen va.addListener(new AnimatorListenerAdapter() { 201819f3792523fe2d55ea791a9286398a6120920690Adam Cohen public void onAnimationRepeat(Animator animation) { 201919f3792523fe2d55ea791a9286398a6120920690Adam Cohen repeatCount++; 202019f3792523fe2d55ea791a9286398a6120920690Adam Cohen // We make sure to end only after a full period 202119f3792523fe2d55ea791a9286398a6120920690Adam Cohen if (cancelOnCycleComplete && repeatCount % 2 == 0) { 202219f3792523fe2d55ea791a9286398a6120920690Adam Cohen va.cancel(); 202319f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 202419f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 202519f3792523fe2d55ea791a9286398a6120920690Adam Cohen }); 202619f3792523fe2d55ea791a9286398a6120920690Adam Cohen va.setStartDelay(Math.max(REORDER_ANIMATION_DURATION, delay)); 202719f3792523fe2d55ea791a9286398a6120920690Adam Cohen mShakeAnimators.put(child, this); 202819f3792523fe2d55ea791a9286398a6120920690Adam Cohen va.start(); 202919f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 203019f3792523fe2d55ea791a9286398a6120920690Adam Cohen 203119f3792523fe2d55ea791a9286398a6120920690Adam Cohen 203219f3792523fe2d55ea791a9286398a6120920690Adam Cohen private void completeAnimation() { 203319f3792523fe2d55ea791a9286398a6120920690Adam Cohen cancelOnCycleComplete = true; 203419f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 203519f3792523fe2d55ea791a9286398a6120920690Adam Cohen 203619f3792523fe2d55ea791a9286398a6120920690Adam Cohen // Returns the time required to complete the current oscillating animation 203719f3792523fe2d55ea791a9286398a6120920690Adam Cohen private int completionTime() { 203819f3792523fe2d55ea791a9286398a6120920690Adam Cohen if (repeatCount % 2 == 0) { 203919f3792523fe2d55ea791a9286398a6120920690Adam Cohen return (int) (va.getDuration() - va.getCurrentPlayTime() + DURATION); 204019f3792523fe2d55ea791a9286398a6120920690Adam Cohen } else { 204119f3792523fe2d55ea791a9286398a6120920690Adam Cohen return (int) (va.getDuration() - va.getCurrentPlayTime()); 204219f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 204319f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 204419f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 204519f3792523fe2d55ea791a9286398a6120920690Adam Cohen 204619f3792523fe2d55ea791a9286398a6120920690Adam Cohen private void completeAndClearReorderHintAnimations() { 204719f3792523fe2d55ea791a9286398a6120920690Adam Cohen for (ReorderHintAnimation a: mShakeAnimators.values()) { 204819f3792523fe2d55ea791a9286398a6120920690Adam Cohen a.completeAnimation(); 204919f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 205019f3792523fe2d55ea791a9286398a6120920690Adam Cohen mShakeAnimators.clear(); 205119f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 205219f3792523fe2d55ea791a9286398a6120920690Adam Cohen 205319f3792523fe2d55ea791a9286398a6120920690Adam Cohen private int getMaxCompletionTime() { 205419f3792523fe2d55ea791a9286398a6120920690Adam Cohen int maxTime = 0; 205519f3792523fe2d55ea791a9286398a6120920690Adam Cohen for (ReorderHintAnimation a: mShakeAnimators.values()) { 205619f3792523fe2d55ea791a9286398a6120920690Adam Cohen maxTime = Math.max(maxTime, a.completionTime()); 205719f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 205819f3792523fe2d55ea791a9286398a6120920690Adam Cohen return maxTime; 205919f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 206019f3792523fe2d55ea791a9286398a6120920690Adam Cohen 2061482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private void commitTempPlacement() { 2062482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < mCountX; i++) { 2063482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int j = 0; j < mCountY; j++) { 2064482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen mOccupied[i][j] = mTmpOccupied[i][j]; 2065482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2066482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2067a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka int childCount = mShortcutsAndWidgets.getChildCount(); 2068482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < childCount; i++) { 2069a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka LayoutParams lp = (LayoutParams) mShortcutsAndWidgets.getChildAt(i).getLayoutParams(); 2070482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.cellX = lp.tmpCellX; 2071482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.cellY = lp.tmpCellY; 2072482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2073482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2074482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2075482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public void setUseTempCoords(boolean useTempCoords) { 2076a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka int childCount = mShortcutsAndWidgets.getChildCount(); 2077482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen for (int i = 0; i < childCount; i++) { 2078a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka LayoutParams lp = (LayoutParams) mShortcutsAndWidgets.getChildAt(i).getLayoutParams(); 2079482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen lp.useTmpCoords = useTempCoords; 2080482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2081482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2082482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2083482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen ItemConfiguration findConfigurationNoShuffle(int pixelX, int pixelY, int minSpanX, int minSpanY, 2084482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int spanX, int spanY, View dragView, ItemConfiguration solution) { 2085482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int[] result = new int[2]; 2086482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int[] resultSpan = new int[2]; 2087482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen findNearestVacantArea(pixelX, pixelY, minSpanX, minSpanY, spanX, spanY, null, result, 2088482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen resultSpan); 2089482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (result[0] >= 0 && result[1] >= 0) { 2090482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen copyCurrentStateToSolution(solution, false); 2091482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewX = result[0]; 2092482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewY = result[1]; 2093482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewSpanX = resultSpan[0]; 2094482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.dragViewSpanY = resultSpan[1]; 2095482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.isSolution = true; 2096482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } else { 2097482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen solution.isSolution = false; 2098482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2099482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return solution; 2100482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2101482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2102482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public void prepareChildForDrag(View child) { 2103482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsAsUnoccupiedForView(child); 2104482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2105482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 210619f3792523fe2d55ea791a9286398a6120920690Adam Cohen /* This seems like it should be obvious and straight-forward, but when the direction vector 210719f3792523fe2d55ea791a9286398a6120920690Adam Cohen needs to match with the notion of the dragView pushing other views, we have to employ 210819f3792523fe2d55ea791a9286398a6120920690Adam Cohen a slightly more subtle notion of the direction vector. The question is what two points is 210919f3792523fe2d55ea791a9286398a6120920690Adam Cohen the vector between? The center of the dragView and its desired destination? Not quite, as 211019f3792523fe2d55ea791a9286398a6120920690Adam Cohen this doesn't necessarily coincide with the interaction of the dragView and items occupying 211119f3792523fe2d55ea791a9286398a6120920690Adam Cohen those cells. Instead we use some heuristics to often lock the vector to up, down, left 211219f3792523fe2d55ea791a9286398a6120920690Adam Cohen or right, which helps make pushing feel right. 211319f3792523fe2d55ea791a9286398a6120920690Adam Cohen */ 211419f3792523fe2d55ea791a9286398a6120920690Adam Cohen private void getDirectionVectorForDrop(int dragViewCenterX, int dragViewCenterY, int spanX, 211519f3792523fe2d55ea791a9286398a6120920690Adam Cohen int spanY, View dragView, int[] resultDirection) { 211619f3792523fe2d55ea791a9286398a6120920690Adam Cohen int[] targetDestination = new int[2]; 211719f3792523fe2d55ea791a9286398a6120920690Adam Cohen 211819f3792523fe2d55ea791a9286398a6120920690Adam Cohen findNearestArea(dragViewCenterX, dragViewCenterY, spanX, spanY, targetDestination); 211919f3792523fe2d55ea791a9286398a6120920690Adam Cohen Rect dragRect = new Rect(); 212019f3792523fe2d55ea791a9286398a6120920690Adam Cohen regionToRect(targetDestination[0], targetDestination[1], spanX, spanY, dragRect); 212119f3792523fe2d55ea791a9286398a6120920690Adam Cohen dragRect.offset(dragViewCenterX - dragRect.centerX(), dragViewCenterY - dragRect.centerY()); 212219f3792523fe2d55ea791a9286398a6120920690Adam Cohen 212319f3792523fe2d55ea791a9286398a6120920690Adam Cohen Rect dropRegionRect = new Rect(); 212419f3792523fe2d55ea791a9286398a6120920690Adam Cohen getViewsIntersectingRegion(targetDestination[0], targetDestination[1], spanX, spanY, 212519f3792523fe2d55ea791a9286398a6120920690Adam Cohen dragView, dropRegionRect, mIntersectingViews); 212619f3792523fe2d55ea791a9286398a6120920690Adam Cohen 212719f3792523fe2d55ea791a9286398a6120920690Adam Cohen int dropRegionSpanX = dropRegionRect.width(); 212819f3792523fe2d55ea791a9286398a6120920690Adam Cohen int dropRegionSpanY = dropRegionRect.height(); 212919f3792523fe2d55ea791a9286398a6120920690Adam Cohen 213019f3792523fe2d55ea791a9286398a6120920690Adam Cohen regionToRect(dropRegionRect.left, dropRegionRect.top, dropRegionRect.width(), 213119f3792523fe2d55ea791a9286398a6120920690Adam Cohen dropRegionRect.height(), dropRegionRect); 213219f3792523fe2d55ea791a9286398a6120920690Adam Cohen 213319f3792523fe2d55ea791a9286398a6120920690Adam Cohen int deltaX = (dropRegionRect.centerX() - dragViewCenterX) / spanX; 213419f3792523fe2d55ea791a9286398a6120920690Adam Cohen int deltaY = (dropRegionRect.centerY() - dragViewCenterY) / spanY; 213519f3792523fe2d55ea791a9286398a6120920690Adam Cohen 213619f3792523fe2d55ea791a9286398a6120920690Adam Cohen if (dropRegionSpanX == mCountX || spanX == mCountX) { 213719f3792523fe2d55ea791a9286398a6120920690Adam Cohen deltaX = 0; 213819f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 213919f3792523fe2d55ea791a9286398a6120920690Adam Cohen if (dropRegionSpanY == mCountY || spanY == mCountY) { 214019f3792523fe2d55ea791a9286398a6120920690Adam Cohen deltaY = 0; 214119f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 214219f3792523fe2d55ea791a9286398a6120920690Adam Cohen 214319f3792523fe2d55ea791a9286398a6120920690Adam Cohen if (deltaX == 0 && deltaY == 0) { 214419f3792523fe2d55ea791a9286398a6120920690Adam Cohen // No idea what to do, give a random direction. 214519f3792523fe2d55ea791a9286398a6120920690Adam Cohen resultDirection[0] = 1; 214619f3792523fe2d55ea791a9286398a6120920690Adam Cohen resultDirection[1] = 0; 214719f3792523fe2d55ea791a9286398a6120920690Adam Cohen } else { 214819f3792523fe2d55ea791a9286398a6120920690Adam Cohen computeDirectionVector(deltaX, deltaY, resultDirection); 214919f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 215019f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 215119f3792523fe2d55ea791a9286398a6120920690Adam Cohen 215219f3792523fe2d55ea791a9286398a6120920690Adam Cohen // For a given cell and span, fetch the set of views intersecting the region. 215319f3792523fe2d55ea791a9286398a6120920690Adam Cohen private void getViewsIntersectingRegion(int cellX, int cellY, int spanX, int spanY, 215419f3792523fe2d55ea791a9286398a6120920690Adam Cohen View dragView, Rect boundingRect, ArrayList<View> intersectingViews) { 215519f3792523fe2d55ea791a9286398a6120920690Adam Cohen if (boundingRect != null) { 215619f3792523fe2d55ea791a9286398a6120920690Adam Cohen boundingRect.set(cellX, cellY, cellX + spanX, cellY + spanY); 215719f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 215819f3792523fe2d55ea791a9286398a6120920690Adam Cohen intersectingViews.clear(); 215919f3792523fe2d55ea791a9286398a6120920690Adam Cohen Rect r0 = new Rect(cellX, cellY, cellX + spanX, cellY + spanY); 216019f3792523fe2d55ea791a9286398a6120920690Adam Cohen Rect r1 = new Rect(); 216119f3792523fe2d55ea791a9286398a6120920690Adam Cohen final int count = mShortcutsAndWidgets.getChildCount(); 216219f3792523fe2d55ea791a9286398a6120920690Adam Cohen for (int i = 0; i < count; i++) { 216319f3792523fe2d55ea791a9286398a6120920690Adam Cohen View child = mShortcutsAndWidgets.getChildAt(i); 216419f3792523fe2d55ea791a9286398a6120920690Adam Cohen if (child == dragView) continue; 216519f3792523fe2d55ea791a9286398a6120920690Adam Cohen LayoutParams lp = (LayoutParams) child.getLayoutParams(); 216619f3792523fe2d55ea791a9286398a6120920690Adam Cohen r1.set(lp.cellX, lp.cellY, lp.cellX + lp.cellHSpan, lp.cellY + lp.cellVSpan); 216719f3792523fe2d55ea791a9286398a6120920690Adam Cohen if (Rect.intersects(r0, r1)) { 216819f3792523fe2d55ea791a9286398a6120920690Adam Cohen mIntersectingViews.add(child); 216919f3792523fe2d55ea791a9286398a6120920690Adam Cohen if (boundingRect != null) { 217019f3792523fe2d55ea791a9286398a6120920690Adam Cohen boundingRect.union(r1); 217119f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 217219f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 217319f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 217419f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 217519f3792523fe2d55ea791a9286398a6120920690Adam Cohen 217619f3792523fe2d55ea791a9286398a6120920690Adam Cohen boolean isNearestDropLocationOccupied(int pixelX, int pixelY, int spanX, int spanY, 217719f3792523fe2d55ea791a9286398a6120920690Adam Cohen View dragView, int[] result) { 217819f3792523fe2d55ea791a9286398a6120920690Adam Cohen result = findNearestArea(pixelX, pixelY, spanX, spanY, result); 217919f3792523fe2d55ea791a9286398a6120920690Adam Cohen getViewsIntersectingRegion(result[0], result[1], spanX, spanY, dragView, null, 218019f3792523fe2d55ea791a9286398a6120920690Adam Cohen mIntersectingViews); 218119f3792523fe2d55ea791a9286398a6120920690Adam Cohen return !mIntersectingViews.isEmpty(); 218219f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 218319f3792523fe2d55ea791a9286398a6120920690Adam Cohen 218419f3792523fe2d55ea791a9286398a6120920690Adam Cohen void revertTempState() { 218519f3792523fe2d55ea791a9286398a6120920690Adam Cohen if (!isItemPlacementDirty() || DESTRUCTIVE_REORDER) return; 218619f3792523fe2d55ea791a9286398a6120920690Adam Cohen final int count = mShortcutsAndWidgets.getChildCount(); 218719f3792523fe2d55ea791a9286398a6120920690Adam Cohen for (int i = 0; i < count; i++) { 218819f3792523fe2d55ea791a9286398a6120920690Adam Cohen View child = mShortcutsAndWidgets.getChildAt(i); 218919f3792523fe2d55ea791a9286398a6120920690Adam Cohen LayoutParams lp = (LayoutParams) child.getLayoutParams(); 219019f3792523fe2d55ea791a9286398a6120920690Adam Cohen if (lp.tmpCellX != lp.cellX || lp.tmpCellY != lp.cellY) { 219119f3792523fe2d55ea791a9286398a6120920690Adam Cohen lp.tmpCellX = lp.cellX; 219219f3792523fe2d55ea791a9286398a6120920690Adam Cohen lp.tmpCellY = lp.cellY; 219319f3792523fe2d55ea791a9286398a6120920690Adam Cohen animateChildToPosition(child, lp.cellX, lp.cellY, REORDER_ANIMATION_DURATION, 219419f3792523fe2d55ea791a9286398a6120920690Adam Cohen 0, false, false); 219519f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 219619f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 219719f3792523fe2d55ea791a9286398a6120920690Adam Cohen completeAndClearReorderHintAnimations(); 219819f3792523fe2d55ea791a9286398a6120920690Adam Cohen setItemPlacementDirty(false); 219919f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 220019f3792523fe2d55ea791a9286398a6120920690Adam Cohen 2201482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int[] createArea(int pixelX, int pixelY, int minSpanX, int minSpanY, int spanX, int spanY, 2202482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen View dragView, int[] result, int resultSpan[], int mode) { 2203482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // First we determine if things have moved enough to cause a different layout 220447a876d443ddc65c8d9a0c95da58d892dbb1faeaAdam Cohen result = findNearestArea(pixelX, pixelY, spanX, spanY, result); 2205482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2206482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (resultSpan == null) { 2207482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen resultSpan = new int[2]; 2208482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2209482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 221019f3792523fe2d55ea791a9286398a6120920690Adam Cohen // When we are checking drop validity or actually dropping, we don't recompute the 221119f3792523fe2d55ea791a9286398a6120920690Adam Cohen // direction vector, since we want the solution to match the preview, and it's possible 221219f3792523fe2d55ea791a9286398a6120920690Adam Cohen // that the exact position of the item has changed to result in a new reordering outcome. 221319f3792523fe2d55ea791a9286398a6120920690Adam Cohen if ((mode == MODE_ON_DROP || mode == MODE_ACCEPT_DROP) 221419f3792523fe2d55ea791a9286398a6120920690Adam Cohen && mPreviousReorderDirection[0] != -1) { 221519f3792523fe2d55ea791a9286398a6120920690Adam Cohen mDirectionVector[0] = mPreviousReorderDirection[0]; 221619f3792523fe2d55ea791a9286398a6120920690Adam Cohen mDirectionVector[1] = mPreviousReorderDirection[1]; 221719f3792523fe2d55ea791a9286398a6120920690Adam Cohen // We reset this vector after drop 221819f3792523fe2d55ea791a9286398a6120920690Adam Cohen if (mode == MODE_ON_DROP) { 221919f3792523fe2d55ea791a9286398a6120920690Adam Cohen mPreviousReorderDirection[0] = -1; 222019f3792523fe2d55ea791a9286398a6120920690Adam Cohen mPreviousReorderDirection[1] = -1; 222119f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 222219f3792523fe2d55ea791a9286398a6120920690Adam Cohen } else { 222319f3792523fe2d55ea791a9286398a6120920690Adam Cohen getDirectionVectorForDrop(pixelX, pixelY, spanX, spanY, dragView, mDirectionVector); 222419f3792523fe2d55ea791a9286398a6120920690Adam Cohen mPreviousReorderDirection[0] = mDirectionVector[0]; 222519f3792523fe2d55ea791a9286398a6120920690Adam Cohen mPreviousReorderDirection[1] = mDirectionVector[1]; 222619f3792523fe2d55ea791a9286398a6120920690Adam Cohen } 222719f3792523fe2d55ea791a9286398a6120920690Adam Cohen 2228482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen ItemConfiguration swapSolution = simpleSwap(pixelX, pixelY, minSpanX, minSpanY, 2229482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen spanX, spanY, mDirectionVector, dragView, true, new ItemConfiguration()); 2230482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2231482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // We attempt the approach which doesn't shuffle views at all 2232482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen ItemConfiguration noShuffleSolution = findConfigurationNoShuffle(pixelX, pixelY, minSpanX, 2233482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen minSpanY, spanX, spanY, dragView, new ItemConfiguration()); 2234482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2235482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen ItemConfiguration finalSolution = null; 2236482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (swapSolution.isSolution && swapSolution.area() >= noShuffleSolution.area()) { 2237482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen finalSolution = swapSolution; 2238482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } else if (noShuffleSolution.isSolution) { 2239482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen finalSolution = noShuffleSolution; 2240482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2241482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2242482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean foundSolution = true; 2243482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (!DESTRUCTIVE_REORDER) { 2244482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen setUseTempCoords(true); 2245482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2246482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2247482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (finalSolution != null) { 2248482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result[0] = finalSolution.dragViewX; 2249482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result[1] = finalSolution.dragViewY; 2250482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen resultSpan[0] = finalSolution.dragViewSpanX; 2251482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen resultSpan[1] = finalSolution.dragViewSpanY; 2252482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2253482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // If we're just testing for a possible location (MODE_ACCEPT_DROP), we don't bother 2254482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // committing anything or animating anything as we just want to determine if a solution 2255482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen // exists 2256482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (mode == MODE_DRAG_OVER || mode == MODE_ON_DROP || mode == MODE_ON_DROP_EXTERNAL) { 2257482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (!DESTRUCTIVE_REORDER) { 2258482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen copySolutionToTempState(finalSolution, dragView); 2259482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2260482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen setItemPlacementDirty(true); 2261482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen animateItemsToSolution(finalSolution, dragView, mode == MODE_ON_DROP); 2262482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 226319f3792523fe2d55ea791a9286398a6120920690Adam Cohen if (!DESTRUCTIVE_REORDER && 226419f3792523fe2d55ea791a9286398a6120920690Adam Cohen (mode == MODE_ON_DROP || mode == MODE_ON_DROP_EXTERNAL)) { 2265482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen commitTempPlacement(); 226619f3792523fe2d55ea791a9286398a6120920690Adam Cohen completeAndClearReorderHintAnimations(); 226719f3792523fe2d55ea791a9286398a6120920690Adam Cohen setItemPlacementDirty(false); 226819f3792523fe2d55ea791a9286398a6120920690Adam Cohen } else { 226919f3792523fe2d55ea791a9286398a6120920690Adam Cohen beginOrAdjustHintAnimations(finalSolution, dragView, 227019f3792523fe2d55ea791a9286398a6120920690Adam Cohen REORDER_ANIMATION_DURATION); 2271482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2272482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2273482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } else { 2274482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen foundSolution = false; 2275482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result[0] = result[1] = resultSpan[0] = resultSpan[1] = -1; 2276482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2277482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2278482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if ((mode == MODE_ON_DROP || !foundSolution) && !DESTRUCTIVE_REORDER) { 2279482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen setUseTempCoords(false); 2280482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2281482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2282a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka mShortcutsAndWidgets.requestLayout(); 2283482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return result; 2284482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2285482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 228619f3792523fe2d55ea791a9286398a6120920690Adam Cohen void setItemPlacementDirty(boolean dirty) { 228719f3792523fe2d55ea791a9286398a6120920690Adam Cohen mItemPlacementDirty = dirty; 2288482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 228919f3792523fe2d55ea791a9286398a6120920690Adam Cohen boolean isItemPlacementDirty() { 229019f3792523fe2d55ea791a9286398a6120920690Adam Cohen return mItemPlacementDirty; 2291482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2292482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2293482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private class ItemConfiguration { 22948baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen HashMap<View, CellAndSpan> map = new HashMap<View, CellAndSpan>(); 2295482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean isSolution = false; 2296482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int dragViewX, dragViewY, dragViewSpanX, dragViewSpanY; 2297482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2298482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int area() { 2299482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return dragViewSpanX * dragViewSpanY; 2300482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 23018baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen } 23028baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen 23038baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen private class CellAndSpan { 23048baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen int x, y; 23058baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen int spanX, spanY; 23068baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen 23078baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen public CellAndSpan(int x, int y, int spanX, int spanY) { 23088baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen this.x = x; 23098baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen this.y = y; 23108baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen this.spanX = spanX; 23118baab35b000d2dec9b33ea6a67988b6f0185b27eAdam Cohen this.spanY = spanY; 2312482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2313482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2314482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2315df0353815c629fc678824b07a234b89a1ff94208Adam Cohen /** 2316df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * Find a vacant area that will fit the given bounds nearest the requested 2317df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * cell location. Uses Euclidean distance to score multiple vacant areas. 2318df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * 2319df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param pixelX The X location at which you want to search for a vacant area. 2320df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param pixelY The Y location at which you want to search for a vacant area. 2321df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param spanX Horizontal span of the object. 2322df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param spanY Vertical span of the object. 2323df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param ignoreView Considers space occupied by this view as unoccupied 2324df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param result Previously returned value to possibly recycle. 2325df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @return The X, Y cell of a vacant area that can contain this object, 2326df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * nearest the requested location. 2327df0353815c629fc678824b07a234b89a1ff94208Adam Cohen */ 2328df0353815c629fc678824b07a234b89a1ff94208Adam Cohen int[] findNearestVacantArea( 2329df0353815c629fc678824b07a234b89a1ff94208Adam Cohen int pixelX, int pixelY, int spanX, int spanY, View ignoreView, int[] result) { 2330df0353815c629fc678824b07a234b89a1ff94208Adam Cohen return findNearestArea(pixelX, pixelY, spanX, spanY, ignoreView, true, result); 2331df0353815c629fc678824b07a234b89a1ff94208Adam Cohen } 2332df0353815c629fc678824b07a234b89a1ff94208Adam Cohen 2333df0353815c629fc678824b07a234b89a1ff94208Adam Cohen /** 2334d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * Find a vacant area that will fit the given bounds nearest the requested 2335d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * cell location. Uses Euclidean distance to score multiple vacant areas. 2336d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * 2337d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param pixelX The X location at which you want to search for a vacant area. 2338d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param pixelY The Y location at which you want to search for a vacant area. 2339d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param minSpanX The minimum horizontal span required 2340d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param minSpanY The minimum vertical span required 2341d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param spanX Horizontal span of the object. 2342d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param spanY Vertical span of the object. 2343d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param ignoreView Considers space occupied by this view as unoccupied 2344d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @param result Previously returned value to possibly recycle. 2345d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * @return The X, Y cell of a vacant area that can contain this object, 2346d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen * nearest the requested location. 2347d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen */ 2348d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen int[] findNearestVacantArea(int pixelX, int pixelY, int minSpanX, int minSpanY, 2349d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen int spanX, int spanY, View ignoreView, int[] result, int[] resultSpan) { 2350482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return findNearestArea(pixelX, pixelY, minSpanX, minSpanY, spanX, spanY, ignoreView, true, 2351482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen result, resultSpan, mOccupied); 2352d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen } 2353d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen 2354d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen /** 2355df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * Find a starting cell position that will fit the given bounds nearest the requested 2356df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * cell location. Uses Euclidean distance to score multiple vacant areas. 2357df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * 2358df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param pixelX The X location at which you want to search for a vacant area. 2359df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param pixelY The Y location at which you want to search for a vacant area. 2360df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param spanX Horizontal span of the object. 2361df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param spanY Vertical span of the object. 2362df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param ignoreView Considers space occupied by this view as unoccupied 2363df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @param result Previously returned value to possibly recycle. 2364df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * @return The X, Y cell of a vacant area that can contain this object, 2365df0353815c629fc678824b07a234b89a1ff94208Adam Cohen * nearest the requested location. 2366df0353815c629fc678824b07a234b89a1ff94208Adam Cohen */ 2367df0353815c629fc678824b07a234b89a1ff94208Adam Cohen int[] findNearestArea( 2368df0353815c629fc678824b07a234b89a1ff94208Adam Cohen int pixelX, int pixelY, int spanX, int spanY, int[] result) { 2369df0353815c629fc678824b07a234b89a1ff94208Adam Cohen return findNearestArea(pixelX, pixelY, spanX, spanY, null, false, result); 2370df0353815c629fc678824b07a234b89a1ff94208Adam Cohen } 2371df0353815c629fc678824b07a234b89a1ff94208Adam Cohen 23720280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean existsEmptyCell() { 23730280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpan(null, 1, 1); 23740280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 23750280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 23760280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 23770280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Finds the upper-left coordinate of the first rectangle in the grid that can 23780280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * hold a cell of the specified dimensions. If intersectX and intersectY are not -1, 23790280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * then this method will only return coordinates for rectangles that contain the cell 23800280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * (intersectX, intersectY) 23810280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 23820280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param cellXY The array that will contain the position of a vacant cell if such a cell 23830280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * can be found. 23840280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 23850280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 23860280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 23870280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return True if a vacant cell of the specified dimension was found, false otherwise. 23880280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 23890280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpan(int[] cellXY, int spanX, int spanY) { 2390482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return findCellForSpanThatIntersectsIgnoring(cellXY, spanX, spanY, -1, -1, null, mOccupied); 23910280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 23920280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 23930280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 23940280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Like above, but ignores any cells occupied by the item "ignoreView" 23950280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 23960280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param cellXY The array that will contain the position of a vacant cell if such a cell 23970280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * can be found. 23980280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 23990280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 24000280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param ignoreView The home screen item we should treat as not occupying any space 24010280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return 24020280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 24030280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanIgnoring(int[] cellXY, int spanX, int spanY, View ignoreView) { 2404482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen return findCellForSpanThatIntersectsIgnoring(cellXY, spanX, spanY, -1, -1, 2405482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen ignoreView, mOccupied); 24060280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 24070280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 24080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 24090280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Like above, but if intersectX and intersectY are not -1, then this method will try to 24100280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * return coordinates for rectangles that contain the cell [intersectX, intersectY] 24110280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 24120280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 24130280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 24140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param ignoreView The home screen item we should treat as not occupying any space 24150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param intersectX The X coordinate of the cell that we should try to overlap 24160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param intersectX The Y coordinate of the cell that we should try to overlap 24170280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 24180280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return True if a vacant cell of the specified dimension was found, false otherwise. 24190280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 24200280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanThatIntersects(int[] cellXY, int spanX, int spanY, 24210280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int intersectX, int intersectY) { 24220280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring( 2423482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen cellXY, spanX, spanY, intersectX, intersectY, null, mOccupied); 24240280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 24250280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 24260280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 24270280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * The superset of the above two methods 24280280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 24290280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanThatIntersectsIgnoring(int[] cellXY, int spanX, int spanY, 2430482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen int intersectX, int intersectY, View ignoreView, boolean occupied[][]) { 2431c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // mark space take by ignoreView as available (method checks if ignoreView is null) 2432482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsAsUnoccupiedForView(ignoreView, occupied); 24330280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 243428750fba6a2d141eb9a1e566718c17236030b815Michael Jurka boolean foundCell = false; 24350280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka while (true) { 24360280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int startX = 0; 24370280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX >= 0) { 24380280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka startX = Math.max(startX, intersectX - (spanX - 1)); 24390280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 24400280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int endX = mCountX - (spanX - 1); 24410280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX >= 0) { 24420280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka endX = Math.min(endX, intersectX + (spanX - 1) + (spanX == 1 ? 1 : 0)); 24430280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 24440280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int startY = 0; 24450280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectY >= 0) { 24460280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka startY = Math.max(startY, intersectY - (spanY - 1)); 24470280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 24480280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int endY = mCountY - (spanY - 1); 24490280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectY >= 0) { 24500280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka endY = Math.min(endY, intersectY + (spanY - 1) + (spanY == 1 ? 1 : 0)); 24510280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 24520280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 2453bbc60d8e79416e37cbede55c159bf6aaa6c171d5Winson Chung for (int y = startY; y < endY && !foundCell; y++) { 24540280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka inner: 2455bbc60d8e79416e37cbede55c159bf6aaa6c171d5Winson Chung for (int x = startX; x < endX; x++) { 24560280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = 0; i < spanX; i++) { 24570280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int j = 0; j < spanY; j++) { 2458482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (occupied[x + i][y + j]) { 2459bbc60d8e79416e37cbede55c159bf6aaa6c171d5Winson Chung // small optimization: we can skip to after the column we just found 24600280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // an occupied cell 2461bbc60d8e79416e37cbede55c159bf6aaa6c171d5Winson Chung x += i; 24620280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka continue inner; 24630280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 24640280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 24650280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 24660280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (cellXY != null) { 24670280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[0] = x; 24680280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[1] = y; 24690280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 247028750fba6a2d141eb9a1e566718c17236030b815Michael Jurka foundCell = true; 247128750fba6a2d141eb9a1e566718c17236030b815Michael Jurka break; 24720280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 24730280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 24740280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX == -1 && intersectY == -1) { 24750280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka break; 24760280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } else { 24770280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // if we failed to find anything, try again but without any requirements of 24780280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // intersecting 24790280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka intersectX = -1; 24800280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka intersectY = -1; 24810280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka continue; 24820280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 24830280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 24840280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 2485c6ee42e25f203e408826e7eab4ad8faf67ed2ff9Michael Jurka // re-mark space taken by ignoreView as occupied 2486482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsAsOccupiedForView(ignoreView, occupied); 248728750fba6a2d141eb9a1e566718c17236030b815Michael Jurka return foundCell; 24880280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 24890280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 249031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 2491c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung * A drag event has begun over this layout. 2492c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung * It may have begun over this layout (in which case onDragChild is called first), 2493c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung * or it may have begun on another layout. 2494c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung */ 2495c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung void onDragEnter() { 2496c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung if (!mDragging) { 2497c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung // Fade in the drag indicators 2498c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung if (mCrosshairsAnimator != null) { 2499c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung mCrosshairsAnimator.animateIn(); 2500c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung } 2501c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung } 2502c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung mDragging = true; 2503c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung } 2504c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung 2505c07918d0053fc7d2a19d7b013565a5d2e7d4af51Winson Chung /** 25060280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Called when drag has left this CellLayout or has been completed (successfully or not) 25076569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 25080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka void onDragExit() { 25094be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // This can actually be called when we aren't in a drag, e.g. when adding a new 25104be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // item to this layout via the customize drawer. 25114be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Guard against that case. 25124be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (mDragging) { 25134be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mDragging = false; 25146569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 25154be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato // Fade out the drag indicators 25164be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato if (mCrosshairsAnimator != null) { 25174be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato mCrosshairsAnimator.animateOut(); 25184be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 25194be866d3a1665aa2098cb5d38d535b1ad1aab6d6Joe Onorato } 252008ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy 252108ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy // Invalidate the drag data 2522d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen mDragCell[0] = mDragCell[1] = -1; 252308ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineAnims[mDragOutlineCurrent].animateOut(); 252408ae2ec4847a971ad1b19c163e3a0d6307a8ed72Patrick Dubroy mDragOutlineCurrent = (mDragOutlineCurrent + 1) % mDragOutlineAnims.length; 252519f3792523fe2d55ea791a9286398a6120920690Adam Cohen revertTempState(); 252633945b21544bc98381df17726a3537c292d8c985Michael Jurka setIsDragOverlapping(false); 25276569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 25286569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 25296569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 2530aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Mark a child as having been dropped. 2531de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroy * At the beginning of the drag operation, the child may have been on another 2532ce34a9768b01115def95f000a6a8f35870f10d3aPatrick Dubroy * screen, but it is re-parented before this method is called. 253331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 253431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child that is being dropped 253531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 2536716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen void onDropChild(View child) { 2537d94533d04a5f8f5485f106d10af60169857ea899Romain Guy if (child != null) { 2538d94533d04a5f8f5485f106d10af60169857ea899Romain Guy LayoutParams lp = (LayoutParams) child.getLayoutParams(); 253984f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy lp.dropped = true; 2540d94533d04a5f8f5485f106d10af60169857ea899Romain Guy child.requestLayout(); 2541d94533d04a5f8f5485f106d10af60169857ea899Romain Guy } 254231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 254331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 254431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 254531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Computes a bounding rectangle for a range of cells 2546aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 254731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellX X coordinate of upper left corner expressed as a cell position 254831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellY Y coordinate of upper left corner expressed as a cell position 2549aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * @param cellHSpan Width in cells 255031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellVSpan Height in cells 25516569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param resultRect Rect into which to put the results 255231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 2553d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen public void cellToRect(int cellX, int cellY, int cellHSpan, int cellVSpan, Rect resultRect) { 255431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellWidth = mCellWidth; 255531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellHeight = mCellHeight; 255631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int widthGap = mWidthGap; 255731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int heightGap = mHeightGap; 2558aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 25594b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int hStartPadding = getPaddingLeft(); 25604b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung final int vStartPadding = getPaddingTop(); 2561aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 256231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int width = cellHSpan * cellWidth + ((cellHSpan - 1) * widthGap); 256331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int height = cellVSpan * cellHeight + ((cellVSpan - 1) * heightGap); 256431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 256531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int x = hStartPadding + cellX * (cellWidth + widthGap); 256631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int y = vStartPadding + cellY * (cellHeight + heightGap); 2567aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 25686569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy resultRect.set(x, y, x + width, y + height); 256931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 2570aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 257131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 2572aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Computes the required horizontal and vertical cell spans to always 257331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * fit the given rectangle. 2574aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 257531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param width Width in pixels 257631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param height Height in pixels 25778f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy * @param result An array of length 2 in which to store the result (may be null). 257831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 25798f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy public int[] rectToCell(int width, int height, int[] result) { 25809987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka return rectToCell(getResources(), width, height, result); 25819987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka } 25829987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka 25839987a5c45e7d01a780d73b269bdce8d8a5309219Michael Jurka public static int[] rectToCell(Resources resources, int width, int height, int[] result) { 258431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Always assume we're working with the smallest span to make sure we 258531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // reserve enough space in both orientations. 258679e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato int actualWidth = resources.getDimensionPixelSize(R.dimen.workspace_cell_width); 258779e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato int actualHeight = resources.getDimensionPixelSize(R.dimen.workspace_cell_height); 258831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int smallerSize = Math.min(actualWidth, actualHeight); 258979e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato 259031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Always round up to next largest cell 259154c725cc294cd43ed0650179bfae64a622547660Winson Chung int spanX = (int) Math.ceil(width / (float) smallerSize); 259254c725cc294cd43ed0650179bfae64a622547660Winson Chung int spanY = (int) Math.ceil(height / (float) smallerSize); 259379e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato 25948f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy if (result == null) { 25958f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy return new int[] { spanX, spanY }; 25968f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy } 25978f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[0] = spanX; 25988f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[1] = spanY; 25998f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy return result; 260031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 260131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 2602f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka public int[] cellSpansToSize(int hSpans, int vSpans) { 2603f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka int[] size = new int[2]; 2604f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka size[0] = hSpans * mCellWidth + (hSpans - 1) * mWidthGap; 2605f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka size[1] = vSpans * mCellHeight + (vSpans - 1) * mHeightGap; 2606f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka return size; 2607f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka } 2608f12c75cb48f87955600c56ccbe0aac84b0c11b28Michael Jurka 260931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 2610047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy * Calculate the grid spans needed to fit given item 2611047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy */ 2612047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy public void calculateSpans(ItemInfo info) { 2613047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy final int minWidth; 2614047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy final int minHeight; 2615047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy 2616047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy if (info instanceof LauncherAppWidgetInfo) { 2617047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy minWidth = ((LauncherAppWidgetInfo) info).minWidth; 2618047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy minHeight = ((LauncherAppWidgetInfo) info).minHeight; 2619047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy } else if (info instanceof PendingAddWidgetInfo) { 2620047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy minWidth = ((PendingAddWidgetInfo) info).minWidth; 2621047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy minHeight = ((PendingAddWidgetInfo) info).minHeight; 2622047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy } else { 2623047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy // It's not a widget, so it must be 1x1 2624047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy info.spanX = info.spanY = 1; 2625047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy return; 2626047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy } 2627047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy int[] spans = rectToCell(minWidth, minHeight, null); 2628047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy info.spanX = spans[0]; 2629047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy info.spanY = spans[1]; 2630047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy } 2631047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy 2632047379aa61b4719ab38ce595f23732e8f3b1b8e1Patrick Dubroy /** 263331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Find the first vacant cell, if there is one. 263431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 263531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param vacant Holds the x and y coordinate of the vacant cell 263631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX Horizontal cell span. 263731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY Vertical cell span. 2638aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 263931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return True if a vacant cell was found 264031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 264131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean getVacantCell(int[] vacant, int spanX, int spanY) { 264231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 26430280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findVacantCell(vacant, spanX, spanY, mCountX, mCountY, mOccupied); 264431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 264531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 264631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project static boolean findVacantCell(int[] vacant, int spanX, int spanY, 264731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int xCount, int yCount, boolean[][] occupied) { 264831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 26492801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen for (int y = 0; y < yCount; y++) { 26502801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen for (int x = 0; x < xCount; x++) { 265131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean available = !occupied[x][y]; 265231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectout: for (int i = x; i < x + spanX - 1 && x < xCount; i++) { 265331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int j = y; j < y + spanY - 1 && y < yCount; j++) { 265431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project available = available && !occupied[i][j]; 265531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!available) break out; 265631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 265731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 265831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 265931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (available) { 266031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project vacant[0] = x; 266131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project vacant[1] = y; 266231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 266331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 266431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 266531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 266631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 266731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 266831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 266931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 26700280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void clearOccupiedCells() { 26710280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = 0; x < mCountX; x++) { 26720280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = 0; y < mCountY; y++) { 26730280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied[x][y] = false; 267431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 267531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 26760280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 267731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 26781b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen /** 26791b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen * Given a view, determines how much that view can be expanded in all directions, in terms of 26801b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen * whether or not there are other items occupying adjacent cells. Used by the 26811b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen * AppWidgetResizeFrame to determine how the widget can be resized. 26821b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen */ 2683d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen public void getExpandabilityArrayForView(View view, int[] expandability) { 26841b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen final LayoutParams lp = (LayoutParams) view.getLayoutParams(); 2685d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen boolean flag; 2686d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 26871b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.LEFT] = 0; 2688d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int x = lp.cellX - 1; x >= 0; x--) { 2689d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen flag = false; 2690d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int y = lp.cellY; y < lp.cellY + lp.cellVSpan; y++) { 2691d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (mOccupied[x][y]) flag = true; 2692d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 2693d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (flag) break; 26941b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.LEFT]++; 2695d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 2696d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 26971b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.TOP] = 0; 2698d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int y = lp.cellY - 1; y >= 0; y--) { 2699d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen flag = false; 2700d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int x = lp.cellX; x < lp.cellX + lp.cellHSpan; x++) { 2701d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (mOccupied[x][y]) flag = true; 2702d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 2703d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (flag) break; 27041b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.TOP]++; 27051b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen } 2706d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 27071b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.RIGHT] = 0; 2708d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int x = lp.cellX + lp.cellHSpan; x < mCountX; x++) { 2709d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen flag = false; 2710d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int y = lp.cellY; y < lp.cellY + lp.cellVSpan; y++) { 2711d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (mOccupied[x][y]) flag = true; 2712d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 2713d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (flag) break; 27141b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.RIGHT]++; 27151b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen } 2716d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 27171b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.BOTTOM] = 0; 2718d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int y = lp.cellY + lp.cellVSpan; y < mCountY; y++) { 2719d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen flag = false; 2720d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen for (int x = lp.cellX; x < lp.cellX + lp.cellHSpan; x++) { 2721d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (mOccupied[x][y]) flag = true; 2722d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 2723d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (flag) break; 27241b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen expandability[AppWidgetResizeFrame.BOTTOM]++; 27251b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen } 2726d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 2727d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 2728d41fbf5680750e34335bba6b38298186c144a4b7Adam Cohen public void onMove(View view, int newCellX, int newCellY, int newSpanX, int newSpanY) { 27290280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 2730482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForView(newCellX, newCellY, newSpanX, newSpanY, mOccupied, true); 27310280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 273231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 2733d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen public void markCellsAsOccupiedForView(View view) { 2734482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsAsOccupiedForView(view, mOccupied); 2735482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2736482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public void markCellsAsOccupiedForView(View view, boolean[][] occupied) { 2737a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka if (view == null || view.getParent() != mShortcutsAndWidgets) return; 27380280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 2739482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForView(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, occupied, true); 27400280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 27410280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 2742d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen public void markCellsAsUnoccupiedForView(View view) { 2743482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsAsUnoccupiedForView(view, mOccupied); 2744482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen } 2745482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public void markCellsAsUnoccupiedForView(View view, boolean occupied[][]) { 2746a52570f8f9ad65b85e33a2f2e87722f9edd6c6f4Michael Jurka if (view == null || view.getParent() != mShortcutsAndWidgets) return; 27470280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 2748482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen markCellsForView(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, occupied, false); 27490280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 27500280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 2751482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen private void markCellsForView(int cellX, int cellY, int spanX, int spanY, boolean[][] occupied, 2752482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen boolean value) { 2753482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen if (cellX < 0 || cellY < 0) return; 27540280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = cellX; x < cellX + spanX && x < mCountX; x++) { 27550280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = cellY; y < cellY + spanY && y < mCountY; y++) { 2756482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen occupied[x][y] = value; 275731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 275831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 275931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 276031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 27612801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen public int getDesiredWidth() { 27624b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung return mPaddingLeft + mPaddingRight + (mCountX * mCellWidth) + 27632801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen (Math.max((mCountX - 1), 0) * mWidthGap); 27642801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 27652801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen 27662801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen public int getDesiredHeight() { 27674b825dcd5f64a5ebb60271844fbc5257374422bcWinson Chung return mPaddingTop + mPaddingBottom + (mCountY * mCellHeight) + 27682801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen (Math.max((mCountY - 1), 0) * mHeightGap); 27692801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen } 27702801cafe62653131fdc9da402e5c44e5ffd0bf47Adam Cohen 277166d72178af91d455700875635473be942bc90e54Michael Jurka public boolean isOccupied(int x, int y) { 277266d72178af91d455700875635473be942bc90e54Michael Jurka if (x < mCountX && y < mCountY) { 277366d72178af91d455700875635473be942bc90e54Michael Jurka return mOccupied[x][y]; 277466d72178af91d455700875635473be942bc90e54Michael Jurka } else { 277566d72178af91d455700875635473be942bc90e54Michael Jurka throw new RuntimeException("Position exceeds the bound of this CellLayout"); 277666d72178af91d455700875635473be942bc90e54Michael Jurka } 277766d72178af91d455700875635473be942bc90e54Michael Jurka } 277866d72178af91d455700875635473be942bc90e54Michael Jurka 277931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 278031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public ViewGroup.LayoutParams generateLayoutParams(AttributeSet attrs) { 278131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new CellLayout.LayoutParams(getContext(), attrs); 278231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 278331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 278431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 278531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected boolean checkLayoutParams(ViewGroup.LayoutParams p) { 278631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return p instanceof CellLayout.LayoutParams; 278731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 278831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 278931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 279031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected ViewGroup.LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) { 279131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new CellLayout.LayoutParams(p); 279231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 279331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 2794aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public static class CellLayoutAnimationController extends LayoutAnimationController { 2795aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public CellLayoutAnimationController(Animation animation, float delay) { 2796aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung super(animation, delay); 2797aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 2798aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 2799aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung @Override 2800aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung protected long getDelayForView(View view) { 2801aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return (int) (Math.random() * 150); 2802aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 2803aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 2804aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 280531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static class LayoutParams extends ViewGroup.MarginLayoutParams { 280631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 280731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Horizontal location of the item in the grid. 280831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 280931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 281031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellX; 281131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 281231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 281331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Vertical location of the item in the grid. 281431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 281531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 281631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellY; 281731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 281831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 2819482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * Temporary horizontal location of the item in the grid during reorder 2820482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen */ 2821482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public int tmpCellX; 2822482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2823482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen /** 2824482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * Temporary vertical location of the item in the grid during reorder 2825482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen */ 2826482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public int tmpCellY; 2827482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2828482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen /** 2829482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * Indicates that the temporary coordinates should be used to layout the items 2830482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen */ 2831482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public boolean useTmpCoords; 2832482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 2833482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen /** 283431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Number of cells spanned horizontally by the item. 283531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 283631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 283731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellHSpan; 283831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 283931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 284031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Number of cells spanned vertically by the item. 284131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 284231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 284331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellVSpan; 2844aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 28451b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen /** 28461b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen * Indicates whether the item will set its x, y, width and height parameters freely, 28471b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen * or whether these will be computed based on cellX, cellY, cellHSpan and cellVSpan. 28481b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen */ 2849d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen public boolean isLockedToGrid = true; 2850d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 2851482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen /** 2852482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * Indicates whether this item can be reordered. Always true except in the case of the 2853482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen * the AllApps button. 2854482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen */ 2855482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen public boolean canReorder = true; 2856482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen 285731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // X coordinate of the view in the layout. 285831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 285931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int x; 286031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Y coordinate of the view in the layout. 286131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 286231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int y; 286331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 286484f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy boolean dropped; 2865fcb9e7144e58614f5ae0e9b272fb7ce040848c67Romain Guy 286631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(Context c, AttributeSet attrs) { 286731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(c, attrs); 286831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellHSpan = 1; 286931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellVSpan = 1; 287031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 287131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 287231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(ViewGroup.LayoutParams source) { 287331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(source); 287431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellHSpan = 1; 287531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellVSpan = 1; 287631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 2877aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 2878aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public LayoutParams(LayoutParams source) { 2879aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung super(source); 2880aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellX = source.cellX; 2881aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellY = source.cellY; 2882aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellHSpan = source.cellHSpan; 2883aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellVSpan = source.cellVSpan; 2884aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 2885aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 288631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(int cellX, int cellY, int cellHSpan, int cellVSpan) { 28878f19cdd62f6e2be05e3890916eabd11317ae1bc2Romain Guy super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); 288831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellX = cellX; 288931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellY = cellY; 289031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellHSpan = cellHSpan; 289131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellVSpan = cellVSpan; 289231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 289331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 28947f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public void setup(int cellWidth, int cellHeight, int widthGap, int heightGap) { 2895d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen if (isLockedToGrid) { 2896d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen final int myCellHSpan = cellHSpan; 2897d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen final int myCellVSpan = cellVSpan; 2898482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen final int myCellX = useTmpCoords ? tmpCellX : cellX; 2899482ed823afb4c7452e037ce8add7ea425fc83da2Adam Cohen final int myCellY = useTmpCoords ? tmpCellY : cellY; 29001b607ed454ed22c2fd855cb3e428376520fb2388Adam Cohen 2901d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen width = myCellHSpan * cellWidth + ((myCellHSpan - 1) * widthGap) - 2902d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen leftMargin - rightMargin; 2903d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen height = myCellVSpan * cellHeight + ((myCellVSpan - 1) * heightGap) - 2904d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen topMargin - bottomMargin; 2905eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung x = (int) (myCellX * (cellWidth + widthGap) + leftMargin); 2906eecf02da58adef5486bf0c9ff7127ea891f457a4Winson Chung y = (int) (myCellY * (cellHeight + heightGap) + topMargin); 2907d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 2908d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen } 2909d4844c3e731b00547a31f23a00f8bd4a271e2b62Adam Cohen 2910aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public String toString() { 2911aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return "(" + this.cellX + ", " + this.cellY + ")"; 2912aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 29137f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 29147f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public void setWidth(int width) { 29157f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen this.width = width; 29167f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 29177f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 29187f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public int getWidth() { 29197f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen return width; 29207f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 29217f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 29227f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public void setHeight(int height) { 29237f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen this.height = height; 29247f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 29257f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 29267f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public int getHeight() { 29277f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen return height; 29287f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 29297f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 29307f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public void setX(int x) { 29317f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen this.x = x; 29327f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 29337f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 29347f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public int getX() { 29357f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen return x; 29367f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 29377f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 29387f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public void setY(int y) { 29397f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen this.y = y; 29407f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 29417f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen 29427f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen public int getY() { 29437f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen return y; 29447f4eabe3709a72b416569136e4a095431c493c8bAdam Cohen } 294531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 294631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 29470280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // This class stores info for two purposes: 29480280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // 1. When dragging items (mDragInfo in Workspace), we store the View, its cellX & cellY, 29490280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // its spanX, spanY, and the screen it is on 29500280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // 2. When long clicking on an empty cell in a CellLayout, we save information about the 29510280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // cellX and cellY coordinates and which page was clicked. We then set this as a tag on 29520280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // the CellLayout that was long clicked 2953e5fb0f27bca7afb996258a7163c76ca7390d7bffMichael Jurka static final class CellInfo { 295431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View cell; 2955a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka int cellX = -1; 2956a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka int cellY = -1; 295731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanX; 295831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanY; 295931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screen; 29603d503fbd9468fb2b9fa645f4f7b91e11229edbfaWinson Chung long container; 296131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 296231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 296331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public String toString() { 2964aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return "Cell[view=" + (cell == null ? "null" : cell.getClass()) 2965aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung + ", x=" + cellX + ", y=" + cellY + "]"; 296631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 296731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 2968d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka 2969d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka public boolean lastDownOnOccupiedCell() { 2970d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka return mLastDownOnOccupiedCell; 2971d771c96e5d156ffde5d35ee13ce053de60dc3163Michael Jurka } 297231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project} 2973