PagedViewCellLayout.java revision abded66084680bb31cc7ea403c88f44f79a3c884
1321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung/* 2321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * Copyright (C) 2010 The Android Open Source Project 3321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * 4321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * Licensed under the Apache License, Version 2.0 (the "License"); 5321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * you may not use this file except in compliance with the License. 6321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * You may obtain a copy of the License at 7321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * 8321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * http://www.apache.org/licenses/LICENSE-2.0 9321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * 10321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * Unless required by applicable law or agreed to in writing, software 11321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * distributed under the License is distributed on an "AS IS" BASIS, 12321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * See the License for the specific language governing permissions and 14321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * limitations under the License. 15321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung */ 16321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 17321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chungpackage com.android.launcher2; 18321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 19321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chungimport android.content.Context; 20321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chungimport android.util.AttributeSet; 21321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chungimport android.view.MotionEvent; 22321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chungimport android.view.View; 23321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chungimport android.view.ViewDebug; 24321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chungimport android.view.ViewGroup; 25321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 26321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung/** 27321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * An abstraction of the original CellLayout which supports laying out items 28321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * which span multiple cells into a grid-like layout. Also supports dimming 29321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * to give a preview of its contents. 30321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung */ 318245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurkapublic class PagedViewCellLayout extends ViewGroup implements Page { 32321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung static final String TAG = "PagedViewCellLayout"; 33321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 34321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung private int mCellCountX; 35321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung private int mCellCountY; 36321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung private int mCellWidth; 37321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung private int mCellHeight; 38df4b83dd9d6380ab963c62d1f9d1312efc87cb0fWinson Chung private int mWidthGap; 39df4b83dd9d6380ab963c62d1f9d1312efc87cb0fWinson Chung private int mHeightGap; 40321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung private static int sDefaultCellDimensions = 96; 418245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka protected PagedViewCellLayoutChildren mChildren; 428245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka private PagedViewCellLayoutChildren mHolographicChildren; 43abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka private boolean mAllowHardwareLayerCreation = false; 44abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka private boolean mCreateHardwareLayersIfAllowed = false; 45321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 46321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public PagedViewCellLayout(Context context) { 47321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung this(context, null); 48321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 49321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 50321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public PagedViewCellLayout(Context context, AttributeSet attrs) { 51321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung this(context, attrs, 0); 52321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 53321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 54321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public PagedViewCellLayout(Context context, AttributeSet attrs, int defStyle) { 55321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung super(context, attrs, defStyle); 56321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 57321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung setAlwaysDrawnWithCacheEnabled(false); 58321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 59321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung // setup default cell parameters 60321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung mCellWidth = mCellHeight = sDefaultCellDimensions; 61321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung mCellCountX = LauncherModel.getCellCountX(); 62321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung mCellCountY = LauncherModel.getCellCountY(); 63df4b83dd9d6380ab963c62d1f9d1312efc87cb0fWinson Chung mWidthGap = mHeightGap = -1; 64321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 658245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mChildren = new PagedViewCellLayoutChildren(context); 668245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mChildren.setCellDimensions(mCellWidth, mCellHeight); 678245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mChildren.setGap(mWidthGap, mHeightGap); 688245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka 698245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka addView(mChildren); 708245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mHolographicChildren = new PagedViewCellLayoutChildren(context); 718245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mHolographicChildren.setAlpha(0f); 728245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mHolographicChildren.setCellDimensions(mCellWidth, mCellHeight); 738245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mHolographicChildren.setGap(mWidthGap, mHeightGap); 748245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka 758245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka addView(mHolographicChildren); 76321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 77321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 78abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka public void allowHardwareLayerCreation() { 79abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka // This is called after the first time we launch into All Apps. Before that point, 80abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka // there's no need for hardware layers here since there's a hardware layer set on the 81abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka // parent, AllAppsTabbed, during the AllApps transition -- creating hardware layers here 82abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka // before the animation is done slows down the animation 83abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka if (!mAllowHardwareLayerCreation) { 84abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka mAllowHardwareLayerCreation = true; 85abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka if (mCreateHardwareLayersIfAllowed) { 86abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka createHardwareLayers(); 87abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka } 88abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka } 89c0759f5090d9539d82ddc944b9f2da767c36b251Michael Jurka } 90c0759f5090d9539d82ddc944b9f2da767c36b251Michael Jurka 91321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @Override 92b3347bb9f4ccf41fb7043bca66c3a565bde1083bWinson Chung public void setAlpha(float alpha) { 938245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mChildren.setAlpha(alpha); 948245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mHolographicChildren.setAlpha(1.0f - alpha); 95321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 96321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 97c0759f5090d9539d82ddc944b9f2da767c36b251Michael Jurka void destroyHardwareLayers() { 98abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka // called when a page is no longer visible (triggered by loadAssociatedPages -> 99abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka // removeAllViewsOnPage) 100abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka mCreateHardwareLayersIfAllowed = false; 101abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka if (mAllowHardwareLayerCreation) { 102c0759f5090d9539d82ddc944b9f2da767c36b251Michael Jurka mChildren.destroyHardwareLayer(); 103c0759f5090d9539d82ddc944b9f2da767c36b251Michael Jurka mHolographicChildren.destroyHardwareLayer(); 104c0759f5090d9539d82ddc944b9f2da767c36b251Michael Jurka } 105c0759f5090d9539d82ddc944b9f2da767c36b251Michael Jurka } 106c0759f5090d9539d82ddc944b9f2da767c36b251Michael Jurka void createHardwareLayers() { 107abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka // called when a page is visible (triggered by loadAssociatedPages -> syncPageItems) 108abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka mCreateHardwareLayersIfAllowed = true; 109abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka if (mAllowHardwareLayerCreation) { 110c0759f5090d9539d82ddc944b9f2da767c36b251Michael Jurka mChildren.createHardwareLayer(); 111c0759f5090d9539d82ddc944b9f2da767c36b251Michael Jurka mHolographicChildren.createHardwareLayer(); 112c0759f5090d9539d82ddc944b9f2da767c36b251Michael Jurka } 113c0759f5090d9539d82ddc944b9f2da767c36b251Michael Jurka } 114c0759f5090d9539d82ddc944b9f2da767c36b251Michael Jurka 115321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @Override 116321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public void cancelLongPress() { 117321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung super.cancelLongPress(); 118321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 119321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung // Cancel long press for all children 120321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung final int count = getChildCount(); 121321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung for (int i = 0; i < count; i++) { 122321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung final View child = getChildAt(i); 123321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung child.cancelLongPress(); 124321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 125321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 126321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 127321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public boolean addViewToCellLayout(View child, int index, int childId, 128321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung PagedViewCellLayout.LayoutParams params) { 129321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung final PagedViewCellLayout.LayoutParams lp = params; 130321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 131321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung // Generate an id for each view, this assumes we have at most 256x256 cells 132321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung // per workspace screen 133321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung if (lp.cellX >= 0 && lp.cellX <= (mCellCountX - 1) && 134321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung lp.cellY >= 0 && (lp.cellY <= mCellCountY - 1)) { 135321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung // If the horizontal or vertical span is set to -1, it is taken to 136321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung // mean that it spans the extent of the CellLayout 137321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung if (lp.cellHSpan < 0) lp.cellHSpan = mCellCountX; 138321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung if (lp.cellVSpan < 0) lp.cellVSpan = mCellCountY; 139321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 140321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung child.setId(childId); 1418245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mChildren.addView(child, index, lp); 142321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 1438245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka if (child instanceof PagedViewIcon) { 1448245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka PagedViewIcon pagedViewIcon = (PagedViewIcon) child; 145abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka if (mAllowHardwareLayerCreation) { 146c0759f5090d9539d82ddc944b9f2da767c36b251Michael Jurka pagedViewIcon.disableCache(); 147c0759f5090d9539d82ddc944b9f2da767c36b251Michael Jurka } 1488245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mHolographicChildren.addView(pagedViewIcon.getHolographicOutlineView(), index, lp); 1498245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka } 150321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung return true; 151321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 152321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung return false; 153321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 154321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 155321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @Override 1568245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka public void removeAllViewsOnPage() { 1578245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mChildren.removeAllViews(); 1588245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mHolographicChildren.removeAllViews(); 159c5e49022bea70a1b0b6ada5431afbb6e951cc3f6Michael Jurka destroyHardwareLayers(); 160321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 161321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 162321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @Override 1638245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka public void removeViewOnPageAt(int index) { 1648245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mChildren.removeViewAt(index); 1658245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mHolographicChildren.removeViewAt(index); 1668245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka } 1678245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka 1688245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka @Override 1698245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka public int getPageChildCount() { 1708245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka return mChildren.getChildCount(); 1718245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka } 1728245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka 1738245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka @Override 1748245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka public View getChildOnPageAt(int i) { 1758245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka return mChildren.getChildAt(i); 1768245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka } 1778245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka 1788245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka @Override 1798245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka public int indexOfChildOnPage(View v) { 1808245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka return mChildren.indexOfChild(v); 1818245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka } 1828245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka 183321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 184321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung // TODO: currently ignoring padding 185321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 186321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec); 187321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec); 188321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 189321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec); 190321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung int heightSpecSize = MeasureSpec.getSize(heightMeasureSpec); 191321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 192321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung if (widthSpecMode == MeasureSpec.UNSPECIFIED || heightSpecMode == MeasureSpec.UNSPECIFIED) { 193321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung throw new RuntimeException("CellLayout cannot have UNSPECIFIED dimensions"); 194321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 195321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 196321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung final int cellWidth = mCellWidth; 197321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung final int cellHeight = mCellHeight; 198321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 199321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung int numWidthGaps = mCellCountX - 1; 200321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung int numHeightGaps = mCellCountY - 1; 201321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 202321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung int vSpaceLeft = heightSpecSize - mPaddingTop 203321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung - mPaddingBottom - (cellHeight * mCellCountY); 204321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung int heightGap = vSpaceLeft / numHeightGaps; 205321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 206321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung int hSpaceLeft = widthSpecSize - mPaddingLeft 207321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung - mPaddingRight - (cellWidth * mCellCountX); 208321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung int widthGap = hSpaceLeft / numWidthGaps; 209321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 210321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung // center it around the min gaps 211321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung int minGap = Math.min(widthGap, heightGap); 212321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung /* 213321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung if (minGap < heightGap) { 214321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung // vertical space has shrunken, so change padding accordingly 215321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung paddingTop += ((heightGap - minGap) * (mCellCountY - 1)) / 2; 216321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } else if (minGap < widthGap) { 217321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung // horizontal space has shrunken, so change padding accordingly 218321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung paddingLeft += ((widthGap - minGap) * (mCellCountX - 1)) / 2; 219321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 220321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung */ 221df4b83dd9d6380ab963c62d1f9d1312efc87cb0fWinson Chung if (mWidthGap > -1 && mHeightGap > -1) { 222df4b83dd9d6380ab963c62d1f9d1312efc87cb0fWinson Chung widthGap = mWidthGap; 223df4b83dd9d6380ab963c62d1f9d1312efc87cb0fWinson Chung heightGap = mHeightGap; 224df4b83dd9d6380ab963c62d1f9d1312efc87cb0fWinson Chung } else { 225df4b83dd9d6380ab963c62d1f9d1312efc87cb0fWinson Chung widthGap = heightGap = minGap; 226df4b83dd9d6380ab963c62d1f9d1312efc87cb0fWinson Chung } 227321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 228321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung int newWidth = mPaddingLeft + mPaddingRight + (mCellCountX * cellWidth) + 229df4b83dd9d6380ab963c62d1f9d1312efc87cb0fWinson Chung ((mCellCountX - 1) * widthGap); 230321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung int newHeight = mPaddingTop + mPaddingBottom + (mCellCountY * cellHeight) + 231df4b83dd9d6380ab963c62d1f9d1312efc87cb0fWinson Chung ((mCellCountY - 1) * heightGap); 232321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 233321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung final int count = getChildCount(); 234321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung for (int i = 0; i < count; i++) { 235321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung View child = getChildAt(i); 2368245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka int childWidthMeasureSpec = 2378245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka MeasureSpec.makeMeasureSpec(newWidth, MeasureSpec.EXACTLY); 2388245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka int childheightMeasureSpec = 2398245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka MeasureSpec.makeMeasureSpec(newHeight, MeasureSpec.EXACTLY); 240321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung child.measure(childWidthMeasureSpec, childheightMeasureSpec); 241321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 242321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 243321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung setMeasuredDimension(newWidth, newHeight); 244321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 245321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 246321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @Override 247321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung protected void onLayout(boolean changed, int l, int t, int r, int b) { 248321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung int count = getChildCount(); 249321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung for (int i = 0; i < count; i++) { 250321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung View child = getChildAt(i); 2518245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka child.layout(0, 0, r - l, b - t); 252321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 253321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 254321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 255321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @Override 256321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public boolean onTouchEvent(MotionEvent event) { 257321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung return super.onTouchEvent(event) || true; 258321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 259321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 26080baf5a6b3c62a62265f626d43d1167783c94131Winson Chung public void enableCenteredContent(boolean enabled) { 2618245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mChildren.enableCenteredContent(enabled); 2628245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mHolographicChildren.enableCenteredContent(enabled); 26380baf5a6b3c62a62265f626d43d1167783c94131Winson Chung } 26480baf5a6b3c62a62265f626d43d1167783c94131Winson Chung 265321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @Override 266321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung protected void setChildrenDrawingCacheEnabled(boolean enabled) { 2678245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mChildren.setChildrenDrawingCacheEnabled(enabled); 2688245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mHolographicChildren.setChildrenDrawingCacheEnabled(enabled); 269321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 270321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 271321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public void setCellCount(int xCount, int yCount) { 272321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung mCellCountX = xCount; 273321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung mCellCountY = yCount; 274321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung requestLayout(); 275321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 276321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 277df4b83dd9d6380ab963c62d1f9d1312efc87cb0fWinson Chung public void setGap(int widthGap, int heightGap) { 278df4b83dd9d6380ab963c62d1f9d1312efc87cb0fWinson Chung mWidthGap = widthGap; 279df4b83dd9d6380ab963c62d1f9d1312efc87cb0fWinson Chung mHeightGap = heightGap; 2808245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mChildren.setGap(widthGap, heightGap); 2818245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mHolographicChildren.setGap(widthGap, heightGap); 282df4b83dd9d6380ab963c62d1f9d1312efc87cb0fWinson Chung } 283df4b83dd9d6380ab963c62d1f9d1312efc87cb0fWinson Chung 284e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung public void setCellDimensions(int width, int height) { 285e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung mCellWidth = width; 286e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung mCellHeight = height; 2878245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mChildren.setCellDimensions(width, height); 2888245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mHolographicChildren.setCellDimensions(width, height); 289e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung } 290e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung 291e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung public int getDefaultCellDimensions() { 292e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung return sDefaultCellDimensions; 293e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung } 294e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung 29580baf5a6b3c62a62265f626d43d1167783c94131Winson Chung public int[] getCellCountForDimensions(int width, int height) { 29680baf5a6b3c62a62265f626d43d1167783c94131Winson Chung // Always assume we're working with the smallest span to make sure we 29780baf5a6b3c62a62265f626d43d1167783c94131Winson Chung // reserve enough space in both orientations 29880baf5a6b3c62a62265f626d43d1167783c94131Winson Chung int smallerSize = Math.min(mCellWidth, mCellHeight); 29980baf5a6b3c62a62265f626d43d1167783c94131Winson Chung 30080baf5a6b3c62a62265f626d43d1167783c94131Winson Chung // Always round up to next largest cell 30180baf5a6b3c62a62265f626d43d1167783c94131Winson Chung int spanX = (width + smallerSize) / smallerSize; 30280baf5a6b3c62a62265f626d43d1167783c94131Winson Chung int spanY = (height + smallerSize) / smallerSize; 30380baf5a6b3c62a62265f626d43d1167783c94131Winson Chung 30480baf5a6b3c62a62265f626d43d1167783c94131Winson Chung return new int[] { spanX, spanY }; 30580baf5a6b3c62a62265f626d43d1167783c94131Winson Chung } 30680baf5a6b3c62a62265f626d43d1167783c94131Winson Chung 307321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung /** 308321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * Start dragging the specified child 309321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * 310321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * @param child The child that is being dragged 311321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung */ 312321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung void onDragChild(View child) { 313321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung PagedViewCellLayout.LayoutParams lp = (PagedViewCellLayout.LayoutParams) child.getLayoutParams(); 314321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung lp.isDragging = true; 315321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 316321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 317e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung /** 318e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung * Estimates the number of cells that the specified width would take up. 319e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung */ 32080baf5a6b3c62a62265f626d43d1167783c94131Winson Chung public int estimateCellHSpan(int width) { 321e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung // TODO: we need to take widthGap into effect 32280baf5a6b3c62a62265f626d43d1167783c94131Winson Chung return (width + mCellWidth) / mCellWidth; 32380baf5a6b3c62a62265f626d43d1167783c94131Winson Chung } 324e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung 325e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung /** 326e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung * Estimates the number of cells that the specified height would take up. 327e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung */ 32880baf5a6b3c62a62265f626d43d1167783c94131Winson Chung public int estimateCellVSpan(int height) { 329e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung // TODO: we need to take heightGap into effect 33080baf5a6b3c62a62265f626d43d1167783c94131Winson Chung return (height + mCellHeight) / mCellHeight; 33180baf5a6b3c62a62265f626d43d1167783c94131Winson Chung } 332e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung 333e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung /** 334e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung * Estimates the width that the number of vSpan cells will take up. 335e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung */ 336e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung public int estimateCellWidth(int hSpan) { 337e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung // TODO: we need to take widthGap into effect 338e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung return hSpan * mCellWidth; 339e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung } 340e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung 341e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung /** 342e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung * Estimates the height that the number of vSpan cells will take up. 343e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung */ 344e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung public int estimateCellHeight(int vSpan) { 345e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung // TODO: we need to take heightGap into effect 346e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung return vSpan * mCellHeight; 34780baf5a6b3c62a62265f626d43d1167783c94131Winson Chung } 34880baf5a6b3c62a62265f626d43d1167783c94131Winson Chung 349321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @Override 350321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public ViewGroup.LayoutParams generateLayoutParams(AttributeSet attrs) { 351321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung return new PagedViewCellLayout.LayoutParams(getContext(), attrs); 352321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 353321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 354321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @Override 355321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung protected boolean checkLayoutParams(ViewGroup.LayoutParams p) { 356321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung return p instanceof PagedViewCellLayout.LayoutParams; 357321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 358321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 359321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @Override 360321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung protected ViewGroup.LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) { 361321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung return new PagedViewCellLayout.LayoutParams(p); 362321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 363321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 364321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public static class LayoutParams extends ViewGroup.MarginLayoutParams { 365321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung /** 366321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * Horizontal location of the item in the grid. 367321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung */ 368321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @ViewDebug.ExportedProperty 369321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public int cellX; 370321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 371321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung /** 372321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * Vertical location of the item in the grid. 373321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung */ 374321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @ViewDebug.ExportedProperty 375321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public int cellY; 376321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 377321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung /** 378321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * Number of cells spanned horizontally by the item. 379321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung */ 380321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @ViewDebug.ExportedProperty 381321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public int cellHSpan; 382321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 383321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung /** 384321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * Number of cells spanned vertically by the item. 385321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung */ 386321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @ViewDebug.ExportedProperty 387321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public int cellVSpan; 388321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 389321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung /** 390321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * Is this item currently being dragged 391321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung */ 392321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public boolean isDragging; 393321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 39480baf5a6b3c62a62265f626d43d1167783c94131Winson Chung // a data object that you can bind to this layout params 39580baf5a6b3c62a62265f626d43d1167783c94131Winson Chung private Object mTag; 39680baf5a6b3c62a62265f626d43d1167783c94131Winson Chung 397321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung // X coordinate of the view in the layout. 398321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @ViewDebug.ExportedProperty 399321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung int x; 400321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung // Y coordinate of the view in the layout. 401321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @ViewDebug.ExportedProperty 402321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung int y; 403321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 40480baf5a6b3c62a62265f626d43d1167783c94131Winson Chung public LayoutParams() { 40580baf5a6b3c62a62265f626d43d1167783c94131Winson Chung super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); 40680baf5a6b3c62a62265f626d43d1167783c94131Winson Chung cellHSpan = 1; 40780baf5a6b3c62a62265f626d43d1167783c94131Winson Chung cellVSpan = 1; 40880baf5a6b3c62a62265f626d43d1167783c94131Winson Chung } 40980baf5a6b3c62a62265f626d43d1167783c94131Winson Chung 410321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public LayoutParams(Context c, AttributeSet attrs) { 411321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung super(c, attrs); 412321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung cellHSpan = 1; 413321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung cellVSpan = 1; 414321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 415321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 416321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public LayoutParams(ViewGroup.LayoutParams source) { 417321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung super(source); 418321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung cellHSpan = 1; 419321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung cellVSpan = 1; 420321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 421321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 422321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public LayoutParams(LayoutParams source) { 423321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung super(source); 424321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung this.cellX = source.cellX; 425321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung this.cellY = source.cellY; 426321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung this.cellHSpan = source.cellHSpan; 427321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung this.cellVSpan = source.cellVSpan; 428321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 429321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 430321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public LayoutParams(int cellX, int cellY, int cellHSpan, int cellVSpan) { 431321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); 432321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung this.cellX = cellX; 433321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung this.cellY = cellY; 434321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung this.cellHSpan = cellHSpan; 435321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung this.cellVSpan = cellVSpan; 436321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 437321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 438321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public void setup(int cellWidth, int cellHeight, int widthGap, int heightGap, 439321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung int hStartPadding, int vStartPadding) { 440321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 441321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung final int myCellHSpan = cellHSpan; 442321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung final int myCellVSpan = cellVSpan; 443321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung final int myCellX = cellX; 444321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung final int myCellY = cellY; 445321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 446321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung width = myCellHSpan * cellWidth + ((myCellHSpan - 1) * widthGap) - 447321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung leftMargin - rightMargin; 448321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung height = myCellVSpan * cellHeight + ((myCellVSpan - 1) * heightGap) - 449321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung topMargin - bottomMargin; 450321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 451321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung x = hStartPadding + myCellX * (cellWidth + widthGap) + leftMargin; 452321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung y = vStartPadding + myCellY * (cellHeight + heightGap) + topMargin; 453321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 454321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 45580baf5a6b3c62a62265f626d43d1167783c94131Winson Chung public Object getTag() { 45680baf5a6b3c62a62265f626d43d1167783c94131Winson Chung return mTag; 45780baf5a6b3c62a62265f626d43d1167783c94131Winson Chung } 45880baf5a6b3c62a62265f626d43d1167783c94131Winson Chung 45980baf5a6b3c62a62265f626d43d1167783c94131Winson Chung public void setTag(Object tag) { 46080baf5a6b3c62a62265f626d43d1167783c94131Winson Chung mTag = tag; 46180baf5a6b3c62a62265f626d43d1167783c94131Winson Chung } 46280baf5a6b3c62a62265f626d43d1167783c94131Winson Chung 463321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public String toString() { 46480baf5a6b3c62a62265f626d43d1167783c94131Winson Chung return "(" + this.cellX + ", " + this.cellY + ", " + 46580baf5a6b3c62a62265f626d43d1167783c94131Winson Chung this.cellHSpan + ", " + this.cellVSpan + ")"; 466321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 467321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 468321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung} 4698245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka 4708245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurkainterface Page { 4718245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka public int getPageChildCount(); 4728245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka public View getChildOnPageAt(int i); 4738245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka public void removeAllViewsOnPage(); 4748245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka public void removeViewOnPageAt(int i); 4758245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka public int indexOfChildOnPage(View v); 4768245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka} 477