CellLayout.java revision 28750fba6a2d141eb9a1e566718c17236030b815
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 196569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroyimport com.android.launcher.R; 20aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 21aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.app.WallpaperManager; 2231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.content.Context; 2379e56263dbcbe85dc434df372bc6e6730aa13477Joe Onoratoimport android.content.res.Resources; 24aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.content.res.TypedArray; 25aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.graphics.Canvas; 2631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.Rect; 2731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.graphics.RectF; 286569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroyimport android.graphics.drawable.Drawable; 2931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.util.AttributeSet; 3031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ContextMenu; 3131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.MotionEvent; 3231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.View; 3331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewDebug; 3431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectimport android.view.ViewGroup; 35aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.view.animation.Animation; 36aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chungimport android.view.animation.LayoutAnimationController; 3731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 386569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroyimport java.util.Arrays; 39edcce099c98a6c40d10109ac092ab50f9d2668f3Romain Guy 4031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectpublic class CellLayout extends ViewGroup { 41aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung static final String TAG = "CellLayout"; 42aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 4331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCellWidth; 4431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mCellHeight; 45aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 46aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mLeftPadding; 47aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mRightPadding; 48aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mTopPadding; 49aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private int mBottomPadding; 50aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 51d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen private int mCountX; 52d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen private int mCountY; 5331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 5431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mWidthGap; 5531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private int mHeightGap; 5631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 5731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final Rect mRect = new Rect(); 588f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy private final RectF mRectF = new RectF(); 5931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private final CellInfo mCellInfo = new CellInfo(); 60aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 616569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // This is a temporary variable to prevent having to allocate a new object just to 626569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // return an (x, y) value from helper functions. Do NOT use it to maintain other state. 636569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy private final int[] mTmpCellXY = new int[2]; 646569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 6531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean[][] mOccupied; 6631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 67dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka private OnTouchListener mInterceptTouchListener; 68dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 695f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka private float mBackgroundAlpha; 705f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka private final Rect mBackgroundLayoutRect = new Rect(); 715f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka private Drawable mBackground; 725f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka private Drawable mBackgroundHover; 73a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka // If we're actively dragging something over this screen and it's small, 74a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka // mHover is true 75a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka private boolean mHover = false; 76dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 776569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy private final RectF mDragRect = new RectF(); 786569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 796569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // When dragging, used to indicate a vacant drop location 806569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy private Drawable mVacantDrawable; 816569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 826569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // When dragging, used to indicate an occupied drop location 836569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy private Drawable mOccupiedDrawable; 846569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 856569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // Updated to point to mVacantDrawable or mOccupiedDrawable, as appropriate 866569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy private Drawable mDragRectDrawable; 876569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 886569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // When a drag operation is in progress, holds the nearest cell to the touch point 896569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy private final int[] mDragCell = new int[2]; 9031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 91aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung private final WallpaperManager mWallpaperManager; 9231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 9331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context) { 9431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, null); 9531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 9631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 9731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context, AttributeSet attrs) { 9831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this(context, attrs, 0); 9931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 10031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 10131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellLayout(Context context, AttributeSet attrs, int defStyle) { 10231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(context, attrs, defStyle); 1036569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1046569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // A ViewGroup usually does not draw, but CellLayout needs to draw a rectangle to show 1056569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // the user where a dragged item will land when dropped. 1066569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy setWillNotDraw(false); 1076569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy mVacantDrawable = getResources().getDrawable(R.drawable.rounded_rect_green); 1086569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy mOccupiedDrawable = getResources().getDrawable(R.drawable.rounded_rect_red); 1096569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 110a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka if (LauncherApplication.isScreenXLarge()) { 1115f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka mBackground = getResources().getDrawable(R.drawable.mini_home_screen_bg); 1125f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka mBackground.setFilterBitmap(true); 1135f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka mBackgroundHover = getResources().getDrawable(R.drawable.mini_home_screen_bg_hover); 1145f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka mBackgroundHover.setFilterBitmap(true); 115a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 116a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka 11731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CellLayout, defStyle, 0); 11831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 11931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellWidth = a.getDimensionPixelSize(R.styleable.CellLayout_cellWidth, 10); 12031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellHeight = a.getDimensionPixelSize(R.styleable.CellLayout_cellHeight, 10); 121aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 122d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mLeftPadding = 123d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_xAxisStartPadding, 10); 124d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mRightPadding = 125d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_xAxisEndPadding, 10); 126d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mTopPadding = 127d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_yAxisStartPadding, 10); 128d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mBottomPadding = 129d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen a.getDimensionPixelSize(R.styleable.CellLayout_yAxisEndPadding, 10); 130aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 131d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mCountX = LauncherModel.getCellCountX(); 132d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mCountY = LauncherModel.getCellCountY(); 1330280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied = new boolean[mCountX][mCountY]; 13431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project a.recycle(); 13631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project setAlwaysDrawnWithCacheEnabled(false); 13831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 13984f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy mWallpaperManager = WallpaperManager.getInstance(getContext()); 140a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy } 141a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy 142a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka public void setHover(boolean value) { 143a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka if (mHover != value) { 144a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka invalidate(); 145a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 146a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka mHover = value; 147a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 148a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka 149a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy @Override 150a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy public void dispatchDraw(Canvas canvas) { 1515f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka if (mBackgroundAlpha > 0.0f) { 1525f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka final Drawable bg = mHover ? mBackgroundHover : mBackground; 1535f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka bg.setAlpha((int) (mBackgroundAlpha * 255)); 154a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka bg.draw(canvas); 155a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 156a6abce8464b57ce91e8f083951ad263370fc2da8Romain Guy super.dispatchDraw(canvas); 15731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 15831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 15983f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey @Override 1606569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy protected void onDraw(Canvas canvas) { 1616569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (!mDragRect.isEmpty()) { 1626569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy mDragRectDrawable.setBounds( 1636569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy (int)mDragRect.left, 1646569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy (int)mDragRect.top, 1656569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy (int)mDragRect.right, 1666569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy (int)mDragRect.bottom); 1676569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy mDragRectDrawable.draw(canvas); 1686569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 1695f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka super.onDraw(canvas); 1706569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 1716569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 1726569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy @Override 17383f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey public void cancelLongPress() { 17483f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey super.cancelLongPress(); 17583f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey 17683f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey // Cancel long press for all children 17783f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey final int count = getChildCount(); 17883f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey for (int i = 0; i < count; i++) { 17983f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey final View child = getChildAt(i); 18083f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey child.cancelLongPress(); 18183f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey } 18283f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey } 18383f111d129fcb8c50b35da789f0d75604b9c0864Jeff Sharkey 184dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka public void setOnInterceptTouchListener(View.OnTouchListener listener) { 185dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka mInterceptTouchListener = listener; 186dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 187dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 18831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCountX() { 189d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen return mCountX; 19031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 19131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 19231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int getCountY() { 193d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen return mCountY; 19431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 19531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 196aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // Takes canonical layout parameters 197aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public boolean addViewToCellLayout(View child, int index, int childId, LayoutParams params) { 198aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final LayoutParams lp = params; 199aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 20031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Generate an id for each view, this assumes we have at most 256x256 cells 20131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // per workspace screen 202d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellX >= 0 && lp.cellX <= mCountX - 1 && lp.cellY >= 0 && lp.cellY <= mCountY - 1) { 203aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // If the horizontal or vertical span is set to -1, it is taken to 204aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // mean that it spans the extent of the CellLayout 205d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellHSpan < 0) lp.cellHSpan = mCountX; 206d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen if (lp.cellVSpan < 0) lp.cellVSpan = mCountY; 207aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 208aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung child.setId(childId); 20931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 210dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka // We might be in the middle or end of shrinking/fading to a dimmed view 211dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka // Make sure this view's alpha is set the same as all the rest of the views 2125f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka child.setAlpha(getAlpha()); 213aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung addView(child, index, lp); 214dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 2150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsOccupiedForView(child); 2160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 217aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return true; 218aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 219aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return false; 22031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 22131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 22231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 2230280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeAllViews() { 2240280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka clearOccupiedCells(); 2250280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 2260280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 2270280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 2280280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeAllViewsInLayout() { 2290280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka clearOccupiedCells(); 2300280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 2310280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 2320280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 2330280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeView(View view) { 2340280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 2350280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeView(view); 2360280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 2370280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 2380280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 2390280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewAt(int index) { 2400280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(getChildAt(index)); 2410280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViewAt(index); 2420280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 2430280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 2440280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 2450280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewInLayout(View view) { 2460280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 2470280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViewInLayout(view); 2480280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 2490280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 2500280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 2510280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViews(int start, int count) { 2520280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = start; i < start + count; i++) { 2530280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(getChildAt(i)); 2540280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 2550280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViews(start, count); 2560280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 2570280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 2580280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 2590280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void removeViewsInLayout(int start, int count) { 2600280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = start; i < start + count; i++) { 2610280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(getChildAt(i)); 2620280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 2630280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka super.removeViewsInLayout(start, count); 2640280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 2650280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 2660280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka @Override 26731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void requestChildFocus(View child, View focused) { 26831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.requestChildFocus(child, focused); 26931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child != null) { 27031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project Rect r = new Rect(); 27131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.getDrawingRect(r); 27231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project requestRectangleOnScreen(r); 27331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 27431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 27531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 27631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 27731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onAttachedToWindow() { 27831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.onAttachedToWindow(); 27931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mCellInfo.screen = ((ViewGroup) getParent()).indexOfChild(this); 28031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 28131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 282af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka public void setTagToCellInfoForPoint(int touchX, int touchY) { 28331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final CellInfo cellInfo = mCellInfo; 284af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final Rect frame = mRect; 285af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int x = touchX + mScrollX; 286af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int y = touchY + mScrollY; 287af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int count = getChildCount(); 28831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 289af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka boolean found = false; 290af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka for (int i = count - 1; i >= 0; i--) { 291af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final View child = getChildAt(i); 292af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka 293af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if ((child.getVisibility()) == VISIBLE || child.getAnimation() != null) { 294af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka child.getHitRect(frame); 295af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (frame.contains(x, y)) { 296af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final LayoutParams lp = (LayoutParams) child.getLayoutParams(); 297af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cell = child; 298af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellX = lp.cellX; 299af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellY = lp.cellY; 300af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanX = lp.cellHSpan; 301af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanY = lp.cellVSpan; 302af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.valid = true; 303af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka found = true; 304af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka break; 30531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 30631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 307af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 308aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 309af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (!found) { 3106569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy final int cellXY[] = mTmpCellXY; 311af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka pointToCellExact(x, y, cellXY); 31231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 313af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cell = null; 314af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellX = cellXY[0]; 315af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.cellY = cellXY[1]; 316af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanX = 1; 317af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka cellInfo.spanY = 1; 3180280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellInfo.valid = cellXY[0] >= 0 && cellXY[1] >= 0 && cellXY[0] < mCountX && 3190280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[1] < mCountY && !mOccupied[cellXY[0]][cellXY[1]]; 320af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 321af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka setTag(cellInfo); 322af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka } 32331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 324aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 325af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka @Override 326af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka public boolean onInterceptTouchEvent(MotionEvent ev) { 327dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka if (mInterceptTouchListener != null && mInterceptTouchListener.onTouch(this, ev)) { 328dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka return true; 329dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 330af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final int action = ev.getAction(); 331af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka final CellInfo cellInfo = mCellInfo; 33231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 333af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka if (action == MotionEvent.ACTION_DOWN) { 334af44209bfa60da3c7ab49b7f508f9effd316ee41Michael Jurka setTagToCellInfoForPoint((int) ev.getX(), (int) ev.getY()); 33531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } else if (action == MotionEvent.ACTION_UP) { 33631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.cell = null; 33731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.cellX = -1; 33831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.cellY = -1; 33931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.spanX = 0; 34031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.spanY = 0; 34131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellInfo.valid = false; 34231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project setTag(cellInfo); 34331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 34431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 34531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 34631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 34731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 34831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 34931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public CellInfo getTag() { 3500280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return (CellInfo) super.getTag(); 35131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 35231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 3536569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 3546569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * Check if the row 'y' is empty from columns 'left' to 'right', inclusive. 3556569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 35631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project private static boolean isRowEmpty(int y, int left, int right, boolean[][] occupied) { 35731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int x = left; x <= right; x++) { 35831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (occupied[x][y]) { 35931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 36031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 36131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 36231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 36331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 36431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 36531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 366aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Given a point, return the cell that strictly encloses that point 36731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x X coordinate of the point 36831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y Y coordinate of the point 36931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the cell 37031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 37131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void pointToCellExact(int x, int y, int[] result) { 372aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int hStartPadding = getLeftPadding(); 373aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int vStartPadding = getTopPadding(); 37431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 37531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[0] = (x - hStartPadding) / (mCellWidth + mWidthGap); 37631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[1] = (y - vStartPadding) / (mCellHeight + mHeightGap); 37731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 378d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int xAxis = mCountX; 379d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int yAxis = mCountY; 38031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 38131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[0] < 0) result[0] = 0; 38231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[0] >= xAxis) result[0] = xAxis - 1; 38331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[1] < 0) result[1] = 0; 38431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (result[1] >= yAxis) result[1] = yAxis - 1; 38531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 386aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 38731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 38831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Given a point, return the cell that most closely encloses that point 38931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param x X coordinate of the point 39031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param y Y coordinate of the point 39131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the cell 39231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 39331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void pointToCellRounded(int x, int y, int[] result) { 39431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project pointToCellExact(x + (mCellWidth / 2), y + (mCellHeight / 2), result); 39531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 39631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 39731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 39831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Given a cell coordinate, return the point that represents the upper left corner of that cell 399aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 400aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * @param cellX X coordinate of the cell 40131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellY Y coordinate of the cell 402aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 40331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param result Array of 2 ints to hold the x and y coordinate of the point 40431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 40531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void cellToPoint(int cellX, int cellY, int[] result) { 406aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int hStartPadding = getLeftPadding(); 407aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int vStartPadding = getTopPadding(); 40831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 40931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[0] = hStartPadding + cellX * (mCellWidth + mWidthGap); 41031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project result[1] = vStartPadding + cellY * (mCellHeight + mHeightGap); 41131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 41231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 41384f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy int getCellWidth() { 41484f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy return mCellWidth; 41584f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 41684f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 41784f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy int getCellHeight() { 41884f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy return mCellHeight; 41984f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 42084f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 4211a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getLeftPadding() { 422aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mLeftPadding; 4231a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 4241a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 4251a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getTopPadding() { 426aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mTopPadding; 4271a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 4281a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 4291a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getRightPadding() { 430aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mRightPadding; 4311a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 4321a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 4331a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy int getBottomPadding() { 434aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return mBottomPadding; 4351a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy } 4361a304a1198f2f48be8c6a763b3ce511bd28af811Romain Guy 43731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 43831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 43931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // TODO: currently ignoring padding 440aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 44131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec); 442aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec); 443aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 44431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec); 44531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int heightSpecSize = MeasureSpec.getSize(heightMeasureSpec); 446aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 44731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (widthSpecMode == MeasureSpec.UNSPECIFIED || heightSpecMode == MeasureSpec.UNSPECIFIED) { 44831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project throw new RuntimeException("CellLayout cannot have UNSPECIFIED dimensions"); 44931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 45031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 45131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellWidth = mCellWidth; 45231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellHeight = mCellHeight; 45331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 454d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen int numWidthGaps = mCountX - 1; 455d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen int numHeightGaps = mCountY - 1; 456d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen 4570280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int vSpaceLeft = heightSpecSize - mTopPadding - mBottomPadding - (cellHeight * mCountY); 458d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mHeightGap = vSpaceLeft / numHeightGaps; 459d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen 4600280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int hSpaceLeft = widthSpecSize - mLeftPadding - mRightPadding - (cellWidth * mCountX); 461d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen mWidthGap = hSpaceLeft / numWidthGaps; 462aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 4635f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // center it around the min gaps 4645f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka int minGap = Math.min(mWidthGap, mHeightGap); 4655f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka mWidthGap = mHeightGap = minGap; 4665f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 46731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = getChildCount(); 46831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 46931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 47031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = getChildAt(i); 47131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LayoutParams lp = (LayoutParams) child.getLayoutParams(); 472aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung lp.setup(cellWidth, cellHeight, mWidthGap, mHeightGap, 473aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung mLeftPadding, mTopPadding); 474aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 4750280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int childWidthMeasureSpec = MeasureSpec.makeMeasureSpec(lp.width, MeasureSpec.EXACTLY); 476aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung int childheightMeasureSpec = MeasureSpec.makeMeasureSpec(lp.height, 477aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung MeasureSpec.EXACTLY); 47831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 47931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.measure(childWidthMeasureSpec, childheightMeasureSpec); 48031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 4815f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka if (widthSpecMode == MeasureSpec.AT_MOST) { 4825f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka int newWidth = mLeftPadding + mRightPadding + (mCountX * cellWidth) + 4835f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka ((mCountX - 1) * minGap); 4845f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka int newHeight = mTopPadding + mBottomPadding + (mCountY * cellHeight) + 4855f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka ((mCountY - 1) * minGap); 4865f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka setMeasuredDimension(newWidth, newHeight); 4875f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } else if (widthSpecMode == MeasureSpec.EXACTLY) { 4885f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka setMeasuredDimension(widthSpecSize, heightSpecSize); 4895f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } 49031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 49131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 49231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 49328750fba6a2d141eb9a1e566718c17236030b815Michael Jurka protected void onLayout(boolean changed, int l, int t, int r, int b) { 49431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int count = getChildCount(); 49531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 49631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 49731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View child = getChildAt(i); 49831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child.getVisibility() != GONE) { 49931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 50031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project CellLayout.LayoutParams lp = (CellLayout.LayoutParams) child.getLayoutParams(); 50131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 50231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int childLeft = lp.x; 50331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int childTop = lp.y; 50431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project child.layout(childLeft, childTop, childLeft + lp.width, childTop + lp.height); 50584f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 50684f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy if (lp.dropped) { 50784f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy lp.dropped = false; 50884f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy 5096569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy final int[] cellXY = mTmpCellXY; 51006762ab54d64e84328d427403bb6074dfd0f630cRomain Guy getLocationOnScreen(cellXY); 51184f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy mWallpaperManager.sendWallpaperCommand(getWindowToken(), "android.home.drop", 51206762ab54d64e84328d427403bb6074dfd0f630cRomain Guy cellXY[0] + childLeft + lp.width / 2, 51306762ab54d64e84328d427403bb6074dfd0f630cRomain Guy cellXY[1] + childTop + lp.height / 2, 0, null); 51484f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy } 51531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 51631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 51731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 51831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 51931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 520dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka protected void onSizeChanged(int w, int h, int oldw, int oldh) { 521dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka super.onSizeChanged(w, h, oldw, oldh); 5225f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka mBackgroundLayoutRect.set(0, 0, w, h); 5235f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka if (mBackground != null) { 5245f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka mBackground.setBounds(mBackgroundLayoutRect); 525a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 5265f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka if (mBackgroundHover != null) { 5275f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka mBackgroundHover.setBounds(mBackgroundLayoutRect); 528a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 529dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 530dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 531dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka @Override 53231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void setChildrenDrawingCacheEnabled(boolean enabled) { 53331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int count = getChildCount(); 53431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int i = 0; i < count; i++) { 53531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final View view = getChildAt(i); 53631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project view.setDrawingCacheEnabled(enabled); 53731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Update the drawing caches 538fefa0ce22af9560f1c0f8c84c760c75f34b7b12cAdam Powell view.buildDrawingCache(true); 53931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 54031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 54131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 54231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 54331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected void setChildrenDrawnWithCacheEnabled(boolean enabled) { 54431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super.setChildrenDrawnWithCacheEnabled(enabled); 54531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 54631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 5475f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public float getBackgroundAlpha() { 5485f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka return mBackgroundAlpha; 549dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 550dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 5515f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public void setBackgroundAlpha(float alpha) { 5525f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka mBackgroundAlpha = alpha; 5530142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka invalidate(); 554dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 555dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 5565f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // Need to return true to let the view system know we know how to handle alpha-- this is 5575f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // because when our children have an alpha of 0.0f, they are still rendering their "dimmed" 5585f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka // versions 5595f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka @Override 5605f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka protected boolean onSetAlpha(int alpha) { 5615f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka return true; 5625f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } 5635f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 5645f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka public void setAlpha(float alpha) { 5655f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka setChildrenAlpha(alpha); 5665f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka super.setAlpha(alpha); 5675f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka } 5685f1c509d5ad1954a7e38e77db4d5f27c7345fd39Michael Jurka 569dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka private void setChildrenAlpha(float alpha) { 5700142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka final int childCount = getChildCount(); 5710142d49e1378a7155bcca1fb59965d9e73016dbcMichael Jurka for (int i = 0; i < childCount; i++) { 572dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka getChildAt(i).setAlpha(alpha); 573dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 574dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka } 575dee0589388ba0f6373912e18bf86243282fb3b9bMichael Jurka 5760280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private boolean isVacantIgnoring( 5770280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int originX, int originY, int spanX, int spanY, View ignoreView) { 5780280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (ignoreView != null) { 5790280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(ignoreView); 5800280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 58128750fba6a2d141eb9a1e566718c17236030b815Michael Jurka boolean isVacant = true; 5826569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy for (int i = 0; i < spanY; i++) { 5836569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (!isRowEmpty(originY + i, originX, originX + spanX - 1, mOccupied)) { 58428750fba6a2d141eb9a1e566718c17236030b815Michael Jurka isVacant = false; 58528750fba6a2d141eb9a1e566718c17236030b815Michael Jurka break; 5866569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 5876569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 5880280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (ignoreView != null) { 5890280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsOccupiedForView(ignoreView); 5900280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 59128750fba6a2d141eb9a1e566718c17236030b815Michael Jurka return isVacant; 5926569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 5936569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 5940280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private boolean isVacant(int originX, int originY, int spanX, int spanY) { 5950280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return isVacantIgnoring(originX, originY, spanX, spanY, null); 5960280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 5970280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 598440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy public View getChildAt(int x, int y) { 599440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy final int count = getChildCount(); 600440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy for (int i = 0; i < count; i++) { 601440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy View child = getChildAt(i); 602440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy LayoutParams lp = (LayoutParams) child.getLayoutParams(); 603440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy 604440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy if ((lp.cellX <= x) && (x < lp.cellX + lp.cellHSpan) && 605440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy (lp.cellY <= y) && (y < lp.cellY + lp.cellHSpan)) { 606440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy return child; 607440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy } 608440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy } 609440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy return null; 610440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy } 611440c360bc395c43683fa9ca226e59f9e35f9e926Patrick Dubroy 6126569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 6138f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy * Estimate the size that a child with the given dimensions will take in the layout. 6148f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy */ 6158f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy void estimateChildSize(int minWidth, int minHeight, int[] result) { 6168f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy // Assuming it's placed at 0, 0, find where the bottom right cell will land 6178f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy rectToCell(minWidth, minHeight, result); 6188f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy 6198f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy // Then figure out the rect it will occupy 6208f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy cellToRect(0, 0, result[0], result[1], mRectF); 6218f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[0] = (int)mRectF.width(); 6228f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[1] = (int)mRectF.height(); 6238f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy } 6248f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy 6258f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy /** 6266569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * Estimate where the top left cell of the dragged item will land if it is dropped. 6276569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * 6286569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param originX The X value of the top left corner of the item 6296569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param originY The Y value of the top left corner of the item 6306569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param spanX The number of horizontal cells that the item spans 6316569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param spanY The number of vertical cells that the item spans 6326569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param result The estimated drop cell X and Y. 6336569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 6346569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy void estimateDropCell(int originX, int originY, int spanX, int spanY, int[] result) { 635d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int countX = mCountX; 636d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int countY = mCountY; 6376569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 638a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka // pointToCellRounded takes the top left of a cell but will pad that with 639a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka // cellWidth/2 and cellHeight/2 when finding the matching cell 640a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka pointToCellRounded(originX, originY, result); 6416569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 6426569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // If the item isn't fully on this screen, snap to the edges 6436569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy int rightOverhang = result[0] + spanX - countX; 6446569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (rightOverhang > 0) { 6456569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[0] -= rightOverhang; // Snap to right 6466569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 6476569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[0] = Math.max(0, result[0]); // Snap to left 6486569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy int bottomOverhang = result[1] + spanY - countY; 6496569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (bottomOverhang > 0) { 6506569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[1] -= bottomOverhang; // Snap to bottom 6516569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 6526569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy result[1] = Math.max(0, result[1]); // Snap to top 6536569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 6546569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 6550280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka void visualizeDropLocation( 6560280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka View view, int originX, int originY, int spanX, int spanY, View draggedItem) { 6576569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy final int[] originCell = mDragCell; 6586569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy final int[] cellXY = mTmpCellXY; 6596569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy estimateDropCell(originX, originY, spanX, spanY, cellXY); 6606569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 6616569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // Only recalculate the bounding rect when necessary 6626569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy if (!Arrays.equals(cellXY, originCell)) { 6636569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy originCell[0] = cellXY[0]; 6646569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy originCell[1] = cellXY[1]; 6656569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 6666569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // Find the top left corner of the rect the object will occupy 6676569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy final int[] topLeft = mTmpCellXY; 6686569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy cellToPoint(originCell[0], originCell[1], topLeft); 6696569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy final int left = topLeft[0]; 6706569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy final int top = topLeft[1]; 6716569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 6726569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // Now find the bottom right 6736569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy final int[] bottomRight = mTmpCellXY; 6746569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy cellToPoint(originCell[0] + spanX - 1, originCell[1] + spanY - 1, bottomRight); 6756569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy bottomRight[0] += mCellWidth; 6766569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy bottomRight[1] += mCellHeight; 6776569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 6780280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean vacant = 6790280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka isVacantIgnoring(originCell[0], originCell[1], spanX, spanY, draggedItem); 6806569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy mDragRectDrawable = vacant ? mVacantDrawable : mOccupiedDrawable; 6816569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 6826569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // mDragRect will be rendered in onDraw() 6836569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy mDragRect.set(left, top, bottomRight[0], bottomRight[1]); 6846569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy invalidate(); 6856569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 6866569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 6876569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 68831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 68970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * Find a vacant area that will fit the given bounds nearest the requested 69070864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * cell location. Uses Euclidean distance to score multiple vacant areas. 691aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 69251afc022fa76c79f0d1ece470ddc126c08fea8a4Romain Guy * @param pixelX The X location at which you want to search for a vacant area. 69351afc022fa76c79f0d1ece470ddc126c08fea8a4Romain Guy * @param pixelY The Y location at which you want to search for a vacant area. 69470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @param spanX Horizontal span of the object. 69570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @param spanY Vertical span of the object. 69670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @param vacantCells Pre-computed set of vacant cells to search. 69770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @param recycle Previously returned value to possibly recycle. 69870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * @return The X, Y cell of a vacant area that can contain this object, 69970864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey * nearest the requested location. 70031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 7010280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int[] findNearestVacantArea(int pixelX, int pixelY, int spanX, int spanY, int[] recycle) { 702aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 70370864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey // Keep track of best-scoring drop area 70470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey final int[] bestXY = recycle != null ? recycle : new int[2]; 70570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey double bestDistance = Double.MAX_VALUE; 706aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 707c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka for (int x = 0; x < mCountX - (spanX - 1); x++) { 708c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka inner: 709c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka for (int y = 0; y < mCountY - (spanY - 1); y++) { 710c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka for (int i = 0; i < spanX; i++) { 711c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka for (int j = 0; j < spanY; j++) { 712c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka if (mOccupied[x + i][y + j]) { 713c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka // small optimization: we can skip to below the row we just found 714c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka // an occupied cell 715c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka y += j; 716c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka continue inner; 717c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 718c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 719c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 720c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka final int[] cellXY = mTmpCellXY; 721c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka cellToPoint(x, y, cellXY); 722c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka 723c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka double distance = Math.sqrt(Math.pow(cellXY[0] - pixelX, 2) 724c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka + Math.pow(cellXY[1] - pixelY, 2)); 725c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka if (distance <= bestDistance) { 726c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestDistance = distance; 727c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestXY[0] = x; 728c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka bestXY[1] = y; 729c28de51eedb26848abf9245ddd19e021d30be318Michael Jurka } 73031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 73131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 73231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 733aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung // Return null if no suitable location found 73470864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey if (bestDistance < Double.MAX_VALUE) { 73570864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return bestXY; 73670864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } else { 73770864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey return null; 73870864289fba6daf07b8de98524cdfb765a62552dJeff Sharkey } 73931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 740aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 7410280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean existsEmptyCell() { 7420280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpan(null, 1, 1); 7430280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 7440280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 7450280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 7460280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Finds the upper-left coordinate of the first rectangle in the grid that can 7470280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * hold a cell of the specified dimensions. If intersectX and intersectY are not -1, 7480280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * then this method will only return coordinates for rectangles that contain the cell 7490280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * (intersectX, intersectY) 7500280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 7510280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param cellXY The array that will contain the position of a vacant cell if such a cell 7520280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * can be found. 7530280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 7540280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 7550280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 7560280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return True if a vacant cell of the specified dimension was found, false otherwise. 7570280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 7580280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpan(int[] cellXY, int spanX, int spanY) { 7590280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring(cellXY, spanX, spanY, -1, -1, null); 7600280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 7610280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 7620280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 7630280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Like above, but ignores any cells occupied by the item "ignoreView" 7640280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 7650280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param cellXY The array that will contain the position of a vacant cell if such a cell 7660280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * can be found. 7670280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 7680280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 7690280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param ignoreView The home screen item we should treat as not occupying any space 7700280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return 7710280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 7720280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanIgnoring(int[] cellXY, int spanX, int spanY, View ignoreView) { 7730280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring(cellXY, spanX, spanY, -1, -1, ignoreView); 7740280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 7750280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 7760280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 7770280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Like above, but if intersectX and intersectY are not -1, then this method will try to 7780280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * return coordinates for rectangles that contain the cell [intersectX, intersectY] 7790280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 7800280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanX The horizontal span of the cell we want to find. 7810280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param spanY The vertical span of the cell we want to find. 7820280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param ignoreView The home screen item we should treat as not occupying any space 7830280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param intersectX The X coordinate of the cell that we should try to overlap 7840280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @param intersectX The Y coordinate of the cell that we should try to overlap 7850280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * 7860280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * @return True if a vacant cell of the specified dimension was found, false otherwise. 7870280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 7880280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanThatIntersects(int[] cellXY, int spanX, int spanY, 7890280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int intersectX, int intersectY) { 7900280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findCellForSpanThatIntersectsIgnoring( 7910280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY, spanX, spanY, intersectX, intersectY, null); 7920280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 7930280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 7940280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka /** 7950280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * The superset of the above two methods 7960280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka */ 7970280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka boolean findCellForSpanThatIntersectsIgnoring(int[] cellXY, int spanX, int spanY, 7980280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int intersectX, int intersectY, View ignoreView) { 7990280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (ignoreView != null) { 8000280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(ignoreView); 8010280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 8020280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 80328750fba6a2d141eb9a1e566718c17236030b815Michael Jurka boolean foundCell = false; 8040280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka while (true) { 8050280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int startX = 0; 8060280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX >= 0) { 8070280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka startX = Math.max(startX, intersectX - (spanX - 1)); 8080280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 8090280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int endX = mCountX - (spanX - 1); 8100280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX >= 0) { 8110280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka endX = Math.min(endX, intersectX + (spanX - 1) + (spanX == 1 ? 1 : 0)); 8120280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 8130280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int startY = 0; 8140280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectY >= 0) { 8150280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka startY = Math.max(startY, intersectY - (spanY - 1)); 8160280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 8170280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka int endY = mCountY - (spanY - 1); 8180280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectY >= 0) { 8190280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka endY = Math.min(endY, intersectY + (spanY - 1) + (spanY == 1 ? 1 : 0)); 8200280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 8210280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 8220280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = startX; x < endX; x++) { 8230280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka inner: 8240280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = startY; y < endY; y++) { 8250280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int i = 0; i < spanX; i++) { 8260280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int j = 0; j < spanY; j++) { 8270280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (mOccupied[x + i][y + j]) { 8280280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // small optimization: we can skip to below the row we just found 8290280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // an occupied cell 8300280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka y += j; 8310280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka continue inner; 8320280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 8330280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 8340280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 8350280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (cellXY != null) { 8360280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[0] = x; 8370280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka cellXY[1] = y; 8380280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 83928750fba6a2d141eb9a1e566718c17236030b815Michael Jurka foundCell = true; 84028750fba6a2d141eb9a1e566718c17236030b815Michael Jurka break; 8410280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 8420280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 8430280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (intersectX == -1 && intersectY == -1) { 8440280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka break; 8450280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } else { 8460280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // if we failed to find anything, try again but without any requirements of 8470280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // intersecting 8480280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka intersectX = -1; 8490280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka intersectY = -1; 8500280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka continue; 8510280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 8520280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 8530280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 8540280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka if (ignoreView != null) { 8550280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsOccupiedForView(ignoreView); 8560280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 85728750fba6a2d141eb9a1e566718c17236030b815Michael Jurka return foundCell; 8580280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 8590280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 86031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 8610280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka * Called when drag has left this CellLayout or has been completed (successfully or not) 8626569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 8630280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka void onDragExit() { 8646569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy // Invalidate the drag data 8656569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy mDragCell[0] = -1; 8666569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy mDragCell[1] = -1; 8676569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 868a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka setHover(false); 8696569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy mDragRect.setEmpty(); 8706569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy invalidate(); 8716569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy } 8726569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy 8736569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 874aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Mark a child as having been dropped. 87531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 87631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child that is being dropped 87731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 878aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung void onDropChild(View child) { 879d94533d04a5f8f5485f106d10af60169857ea899Romain Guy if (child != null) { 880d94533d04a5f8f5485f106d10af60169857ea899Romain Guy LayoutParams lp = (LayoutParams) child.getLayoutParams(); 881d94533d04a5f8f5485f106d10af60169857ea899Romain Guy lp.isDragging = false; 88284f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy lp.dropped = true; 883d94533d04a5f8f5485f106d10af60169857ea899Romain Guy mDragRect.setEmpty(); 884d94533d04a5f8f5485f106d10af60169857ea899Romain Guy child.requestLayout(); 885d94533d04a5f8f5485f106d10af60169857ea899Romain Guy } 8860280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka onDragExit(); 88731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 88831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 88931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void onDropAborted(View child) { 89031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (child != null) { 89131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project ((LayoutParams) child.getLayoutParams()).isDragging = false; 89231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 8930280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka onDragExit(); 89431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 89531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 89631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 89731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Start dragging the specified child 898aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 89931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param child The child that is being dragged 90031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 90131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project void onDragChild(View child) { 90231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project LayoutParams lp = (LayoutParams) child.getLayoutParams(); 90331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project lp.isDragging = true; 90431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project mDragRect.setEmpty(); 90531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 906aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 90731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 90831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Computes a bounding rectangle for a range of cells 909aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 91031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellX X coordinate of upper left corner expressed as a cell position 91131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellY Y coordinate of upper left corner expressed as a cell position 912aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * @param cellHSpan Width in cells 91331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param cellVSpan Height in cells 9146569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * @param resultRect Rect into which to put the results 91531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 9166569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy public void cellToRect(int cellX, int cellY, int cellHSpan, int cellVSpan, RectF resultRect) { 91731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellWidth = mCellWidth; 91831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int cellHeight = mCellHeight; 91931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int widthGap = mWidthGap; 92031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int heightGap = mHeightGap; 921aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 922aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int hStartPadding = getLeftPadding(); 923aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung final int vStartPadding = getTopPadding(); 924aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 92531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int width = cellHSpan * cellWidth + ((cellHSpan - 1) * widthGap); 92631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int height = cellVSpan * cellHeight + ((cellVSpan - 1) * heightGap); 92731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 92831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int x = hStartPadding + cellX * (cellWidth + widthGap); 92931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int y = vStartPadding + cellY * (cellHeight + heightGap); 930aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 9316569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy resultRect.set(x, y, x + width, y + height); 93231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 933aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 93431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 935aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * Computes the required horizontal and vertical cell spans to always 93631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * fit the given rectangle. 937aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 93831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param width Width in pixels 93931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param height Height in pixels 9408f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy * @param result An array of length 2 in which to store the result (may be null). 94131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 9428f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy public int[] rectToCell(int width, int height, int[] result) { 94331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Always assume we're working with the smallest span to make sure we 94431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // reserve enough space in both orientations. 94579e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato final Resources resources = getResources(); 94679e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato int actualWidth = resources.getDimensionPixelSize(R.dimen.workspace_cell_width); 94779e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato int actualHeight = resources.getDimensionPixelSize(R.dimen.workspace_cell_height); 94831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int smallerSize = Math.min(actualWidth, actualHeight); 94979e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato 95031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Always round up to next largest cell 95131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanX = (width + smallerSize) / smallerSize; 95231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanY = (height + smallerSize) / smallerSize; 95379e56263dbcbe85dc434df372bc6e6730aa13477Joe Onorato 9548f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy if (result == null) { 9558f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy return new int[] { spanX, spanY }; 9568f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy } 9578f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[0] = spanX; 9588f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy result[1] = spanY; 9598f86ddcb90063a56c25c9c782316574bc4e5dd93Patrick Dubroy return result; 96031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 96131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 96231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 96331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Find the first vacant cell, if there is one. 96431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * 96531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param vacant Holds the x and y coordinate of the vacant cell 96631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanX Horizontal cell span. 96731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @param spanY Vertical cell span. 968aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung * 96931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * @return True if a vacant cell was found 97031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 97131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean getVacantCell(int[] vacant, int spanX, int spanY) { 97231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 9730280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka return findVacantCell(vacant, spanX, spanY, mCountX, mCountY, mOccupied); 97431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 97531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 97631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project static boolean findVacantCell(int[] vacant, int spanX, int spanY, 97731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int xCount, int yCount, boolean[][] occupied) { 97831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 97931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int x = 0; x < xCount; x++) { 98031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int y = 0; y < yCount; y++) { 98131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean available = !occupied[x][y]; 98231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Projectout: for (int i = x; i < x + spanX - 1 && x < xCount; i++) { 98331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int j = y; j < y + spanY - 1 && y < yCount; j++) { 98431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project available = available && !occupied[i][j]; 98531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (!available) break out; 98631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 98731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 98831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 98931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project if (available) { 99031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project vacant[0] = x; 99131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project vacant[1] = y; 99231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return true; 99331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 99431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 99531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 99631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 99731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return false; 99831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 99931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 10006569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy /** 10016569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy * Update the array of occupied cells (mOccupied), and return a flattened copy of the array. 10026569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy */ 10036569f2c80e179c2f8ed73dae6b01d971ec20f005Patrick Dubroy boolean[] getOccupiedCellsFlattened() { 1004d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int xCount = mCountX; 1005d22015cd37ea6ef53762eca5be57daca123ff607Adam Cohen final int yCount = mCountY; 100631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final boolean[][] occupied = mOccupied; 100731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 100831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final boolean[] flat = new boolean[xCount * yCount]; 100931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int y = 0; y < yCount; y++) { 101031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project for (int x = 0; x < xCount; x++) { 101131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project flat[y * xCount + x] = occupied[x][y]; 101231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 101331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 101431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 101531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return flat; 101631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 101731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 10180280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void clearOccupiedCells() { 10190280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = 0; x < mCountX; x++) { 10200280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = 0; y < mCountY; y++) { 10210280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied[x][y] = false; 102231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 102331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 10240280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 102531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 10260280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka public void onMove(View view, int newCellX, int newCellY) { 10270280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 10280280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsAsUnoccupiedForView(view); 10290280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsForView(newCellX, newCellY, lp.cellHSpan, lp.cellVSpan, true); 10300280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 103131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 10320280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void markCellsAsOccupiedForView(View view) { 10330280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 10340280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsForView(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, true); 10350280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10360280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 10370280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void markCellsAsUnoccupiedForView(View view) { 10380280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka LayoutParams lp = (LayoutParams) view.getLayoutParams(); 10390280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka markCellsForView(lp.cellX, lp.cellY, lp.cellHSpan, lp.cellVSpan, false); 10400280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka } 10410280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka 10420280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka private void markCellsForView(int cellX, int cellY, int spanX, int spanY, boolean value) { 10430280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int x = cellX; x < cellX + spanX && x < mCountX; x++) { 10440280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka for (int y = cellY; y < cellY + spanY && y < mCountY; y++) { 10450280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka mOccupied[x][y] = value; 104631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 104731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 104831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 104931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 105031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 105131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public ViewGroup.LayoutParams generateLayoutParams(AttributeSet attrs) { 105231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new CellLayout.LayoutParams(getContext(), attrs); 105331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 105431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 105531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 105631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected boolean checkLayoutParams(ViewGroup.LayoutParams p) { 105731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return p instanceof CellLayout.LayoutParams; 105831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 105931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 106031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 106131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project protected ViewGroup.LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) { 106231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project return new CellLayout.LayoutParams(p); 106331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 106431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 1065aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public static class CellLayoutAnimationController extends LayoutAnimationController { 1066aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public CellLayoutAnimationController(Animation animation, float delay) { 1067aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung super(animation, delay); 1068aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1069aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1070aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung @Override 1071aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung protected long getDelayForView(View view) { 1072aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return (int) (Math.random() * 150); 1073aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1074aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1075aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 107631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public static class LayoutParams extends ViewGroup.MarginLayoutParams { 107731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 107831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Horizontal location of the item in the grid. 107931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 108031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 108131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellX; 108231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 108331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 108431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Vertical location of the item in the grid. 108531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 108631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 108731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellY; 108831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 108931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 109031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Number of cells spanned horizontally by the item. 109131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 109231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 109331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellHSpan; 109431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 109531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 109631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Number of cells spanned vertically by the item. 109731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 109831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 109931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public int cellVSpan; 1100aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 110131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project /** 110231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project * Is this item currently being dragged 110331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project */ 110431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public boolean isDragging; 110531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 110631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // X coordinate of the view in the layout. 110731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 110831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int x; 110931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project // Y coordinate of the view in the layout. 111031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @ViewDebug.ExportedProperty 111131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int y; 111231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 111384f296c106cb1c7b6d3ae6c6d5508a17f1324e29Romain Guy boolean dropped; 1114fcb9e7144e58614f5ae0e9b272fb7ce040848c67Romain Guy 111531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(Context c, AttributeSet attrs) { 111631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(c, attrs); 111731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellHSpan = 1; 111831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellVSpan = 1; 111931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 112031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 112131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(ViewGroup.LayoutParams source) { 112231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project super(source); 112331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellHSpan = 1; 112431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project cellVSpan = 1; 112531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1126aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1127aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public LayoutParams(LayoutParams source) { 1128aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung super(source); 1129aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellX = source.cellX; 1130aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellY = source.cellY; 1131aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellHSpan = source.cellHSpan; 1132aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung this.cellVSpan = source.cellVSpan; 1133aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 1134aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 113531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public LayoutParams(int cellX, int cellY, int cellHSpan, int cellVSpan) { 11368f19cdd62f6e2be05e3890916eabd11317ae1bc2Romain Guy super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); 113731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellX = cellX; 113831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellY = cellY; 113931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellHSpan = cellHSpan; 114031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project this.cellVSpan = cellVSpan; 114131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 114231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 114331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public void setup(int cellWidth, int cellHeight, int widthGap, int heightGap, 114431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int hStartPadding, int vStartPadding) { 1145aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 114631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellHSpan = cellHSpan; 114731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellVSpan = cellVSpan; 114831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellX = cellX; 114931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project final int myCellY = cellY; 1150aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 115131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project width = myCellHSpan * cellWidth + ((myCellHSpan - 1) * widthGap) - 115231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project leftMargin - rightMargin; 115331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project height = myCellVSpan * cellHeight + ((myCellVSpan - 1) * heightGap) - 115431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project topMargin - bottomMargin; 115531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 115631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project x = hStartPadding + myCellX * (cellWidth + widthGap) + leftMargin; 115731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project y = vStartPadding + myCellY * (cellHeight + heightGap) + topMargin; 115831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 1159aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung 1160aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung public String toString() { 1161aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return "(" + this.cellX + ", " + this.cellY + ")"; 1162aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung } 116331dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 116431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 11650280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // This class stores info for two purposes: 11660280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // 1. When dragging items (mDragInfo in Workspace), we store the View, its cellX & cellY, 11670280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // its spanX, spanY, and the screen it is on 11680280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // 2. When long clicking on an empty cell in a CellLayout, we save information about the 11690280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // cellX and cellY coordinates and which page was clicked. We then set this as a tag on 11700280c3be4d9f8fc6fdf015b7ecd276eb26f76f2dMichael Jurka // the CellLayout that was long clicked 117131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project static final class CellInfo implements ContextMenu.ContextMenuInfo { 117231dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project View cell; 1173a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka int cellX = -1; 1174a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka int cellY = -1; 117531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanX; 117631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int spanY; 117731dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project int screen; 117831dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project boolean valid; 117931dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project 118031dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project @Override 118131dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project public String toString() { 1182aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung return "Cell[view=" + (cell == null ? "null" : cell.getClass()) 1183aafa03cbb925c74be1c13f8bb99d928be429e62fWinson Chung + ", x=" + cellX + ", y=" + cellY + "]"; 118431dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 118531dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project } 118631dd503c6aa69018e694d91724d46db49ea09327The Android Open Source Project} 1187