PagedViewCellLayout.java revision 7d7541e7b48fdc114c24b3b0aa75e70d7228041e
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; 20785d2eb2b8d7072c8124300dd9168ff51a91cf38Winson Chungimport android.content.res.Resources; 21321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chungimport android.util.AttributeSet; 22db1138b4efae89a3b5833547958a3606e5408a71Winson Chungimport android.util.Log; 23321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chungimport android.view.MotionEvent; 24321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chungimport android.view.View; 25321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chungimport android.view.ViewDebug; 26321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chungimport android.view.ViewGroup; 27321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 28785d2eb2b8d7072c8124300dd9168ff51a91cf38Winson Chungimport com.android.launcher.R; 29785d2eb2b8d7072c8124300dd9168ff51a91cf38Winson Chung 30321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung/** 31321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * An abstraction of the original CellLayout which supports laying out items 32321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * which span multiple cells into a grid-like layout. Also supports dimming 33321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * to give a preview of its contents. 34321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung */ 358245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurkapublic class PagedViewCellLayout extends ViewGroup implements Page { 36321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung static final String TAG = "PagedViewCellLayout"; 37321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 38321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung private int mCellCountX; 39321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung private int mCellCountY; 40db1138b4efae89a3b5833547958a3606e5408a71Winson Chung private int mOriginalCellWidth; 41db1138b4efae89a3b5833547958a3606e5408a71Winson Chung private int mOriginalCellHeight; 42321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung private int mCellWidth; 43321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung private int mCellHeight; 44234c4cd54406e363a2ebc213f6ae5be284414988Adam Cohen private int mOriginalWidthGap; 45234c4cd54406e363a2ebc213f6ae5be284414988Adam Cohen private int mOriginalHeightGap; 46df4b83dd9d6380ab963c62d1f9d1312efc87cb0fWinson Chung private int mWidthGap; 47df4b83dd9d6380ab963c62d1f9d1312efc87cb0fWinson Chung private int mHeightGap; 48db1138b4efae89a3b5833547958a3606e5408a71Winson Chung private int mMaxGap; 498245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka protected PagedViewCellLayoutChildren mChildren; 50321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 51321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public PagedViewCellLayout(Context context) { 52321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung this(context, null); 53321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 54321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 55321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public PagedViewCellLayout(Context context, AttributeSet attrs) { 56321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung this(context, attrs, 0); 57321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 58321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 59321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public PagedViewCellLayout(Context context, AttributeSet attrs, int defStyle) { 60321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung super(context, attrs, defStyle); 61321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 62321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung setAlwaysDrawnWithCacheEnabled(false); 63321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 64321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung // setup default cell parameters 65785d2eb2b8d7072c8124300dd9168ff51a91cf38Winson Chung Resources resources = context.getResources(); 66db1138b4efae89a3b5833547958a3606e5408a71Winson Chung mOriginalCellWidth = mCellWidth = 67db1138b4efae89a3b5833547958a3606e5408a71Winson Chung resources.getDimensionPixelSize(R.dimen.apps_customize_cell_width); 68db1138b4efae89a3b5833547958a3606e5408a71Winson Chung mOriginalCellHeight = mCellHeight = 69db1138b4efae89a3b5833547958a3606e5408a71Winson Chung resources.getDimensionPixelSize(R.dimen.apps_customize_cell_height); 70321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung mCellCountX = LauncherModel.getCellCountX(); 71321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung mCellCountY = LauncherModel.getCellCountY(); 72234c4cd54406e363a2ebc213f6ae5be284414988Adam Cohen mOriginalHeightGap = mOriginalHeightGap = mWidthGap = mHeightGap = -1; 73db1138b4efae89a3b5833547958a3606e5408a71Winson Chung mMaxGap = resources.getDimensionPixelSize(R.dimen.apps_customize_max_gap); 74321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 758245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mChildren = new PagedViewCellLayoutChildren(context); 768245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mChildren.setCellDimensions(mCellWidth, mCellHeight); 778245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mChildren.setGap(mWidthGap, mHeightGap); 788245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka 798245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka addView(mChildren); 80321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 81321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 82244d74cb353f1260c4d633e719bf84bb3b6e52bcPatrick Dubroy public int getCellWidth() { 83244d74cb353f1260c4d633e719bf84bb3b6e52bcPatrick Dubroy return mCellWidth; 84244d74cb353f1260c4d633e719bf84bb3b6e52bcPatrick Dubroy } 85244d74cb353f1260c4d633e719bf84bb3b6e52bcPatrick Dubroy 86244d74cb353f1260c4d633e719bf84bb3b6e52bcPatrick Dubroy public int getCellHeight() { 87244d74cb353f1260c4d633e719bf84bb3b6e52bcPatrick Dubroy return mCellHeight; 88244d74cb353f1260c4d633e719bf84bb3b6e52bcPatrick Dubroy } 89244d74cb353f1260c4d633e719bf84bb3b6e52bcPatrick Dubroy 90321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @Override 91b3347bb9f4ccf41fb7043bca66c3a565bde1083bWinson Chung public void setAlpha(float alpha) { 9222f823d340710bcde587b18a1542570cbe0360f5Adam Cohen mChildren.setAlpha(alpha); 93321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 94321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 95c0759f5090d9539d82ddc944b9f2da767c36b251Michael Jurka void destroyHardwareLayers() { 96abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka // called when a page is no longer visible (triggered by loadAssociatedPages -> 97abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka // removeAllViewsOnPage) 9822f823d340710bcde587b18a1542570cbe0360f5Adam Cohen mChildren.destroyHardwareLayer(); 99c0759f5090d9539d82ddc944b9f2da767c36b251Michael Jurka } 10022f823d340710bcde587b18a1542570cbe0360f5Adam Cohen 101c0759f5090d9539d82ddc944b9f2da767c36b251Michael Jurka void createHardwareLayers() { 102abded66084680bb31cc7ea403c88f44f79a3c884Michael Jurka // called when a page is visible (triggered by loadAssociatedPages -> syncPageItems) 10322f823d340710bcde587b18a1542570cbe0360f5Adam Cohen mChildren.createHardwareLayer(); 104c0759f5090d9539d82ddc944b9f2da767c36b251Michael Jurka } 105c0759f5090d9539d82ddc944b9f2da767c36b251Michael Jurka 106321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @Override 107321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public void cancelLongPress() { 108321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung super.cancelLongPress(); 109321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 110321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung // Cancel long press for all children 111321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung final int count = getChildCount(); 112321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung for (int i = 0; i < count; i++) { 113321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung final View child = getChildAt(i); 114321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung child.cancelLongPress(); 115321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 116321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 117321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 118321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public boolean addViewToCellLayout(View child, int index, int childId, 1196a70e9fc3c62cc83d6abe59323d622dc6cd224a7Winson Chung PagedViewCellLayout.LayoutParams params) { 120321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung final PagedViewCellLayout.LayoutParams lp = params; 121321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 122321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung // Generate an id for each view, this assumes we have at most 256x256 cells 123321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung // per workspace screen 124321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung if (lp.cellX >= 0 && lp.cellX <= (mCellCountX - 1) && 125321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung lp.cellY >= 0 && (lp.cellY <= mCellCountY - 1)) { 126321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung // If the horizontal or vertical span is set to -1, it is taken to 127321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung // mean that it spans the extent of the CellLayout 128321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung if (lp.cellHSpan < 0) lp.cellHSpan = mCellCountX; 129321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung if (lp.cellVSpan < 0) lp.cellVSpan = mCellCountY; 130321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 131321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung child.setId(childId); 1328245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mChildren.addView(child, index, lp); 133321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 1348245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka if (child instanceof PagedViewIcon) { 1358245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka PagedViewIcon pagedViewIcon = (PagedViewIcon) child; 13622f823d340710bcde587b18a1542570cbe0360f5Adam Cohen pagedViewIcon.disableCache(); 1378245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka } 138321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung return true; 139321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 140321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung return false; 141321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 142321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 143321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @Override 1448245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka public void removeAllViewsOnPage() { 1458245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mChildren.removeAllViews(); 146c5e49022bea70a1b0b6ada5431afbb6e951cc3f6Michael Jurka destroyHardwareLayers(); 147321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 148321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 149321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @Override 1508245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka public void removeViewOnPageAt(int index) { 1518245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mChildren.removeViewAt(index); 1528245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka } 1538245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka 1548245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka @Override 1558245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka public int getPageChildCount() { 1568245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka return mChildren.getChildCount(); 1578245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka } 1588245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka 1595afbf7bdd6f6879124c9b8283e005fe57f310d02Winson Chung public PagedViewCellLayoutChildren getChildrenLayout() { 1605afbf7bdd6f6879124c9b8283e005fe57f310d02Winson Chung return mChildren; 1615afbf7bdd6f6879124c9b8283e005fe57f310d02Winson Chung } 1625afbf7bdd6f6879124c9b8283e005fe57f310d02Winson Chung 1638245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka @Override 1648245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka public View getChildOnPageAt(int i) { 1658245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka return mChildren.getChildAt(i); 1668245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka } 1678245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka 1688245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka @Override 1698245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka public int indexOfChildOnPage(View v) { 1708245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka return mChildren.indexOfChild(v); 1718245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka } 1728245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka 17397d85d23b013347bead4e2f5fa430a79ce69431eWinson Chung public int getCellCountX() { 17497d85d23b013347bead4e2f5fa430a79ce69431eWinson Chung return mCellCountX; 17597d85d23b013347bead4e2f5fa430a79ce69431eWinson Chung } 17697d85d23b013347bead4e2f5fa430a79ce69431eWinson Chung 17797d85d23b013347bead4e2f5fa430a79ce69431eWinson Chung public int getCellCountY() { 17897d85d23b013347bead4e2f5fa430a79ce69431eWinson Chung return mCellCountY; 17997d85d23b013347bead4e2f5fa430a79ce69431eWinson Chung } 18097d85d23b013347bead4e2f5fa430a79ce69431eWinson Chung 181321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 182321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec); 183321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec); 184321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 185321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec); 186321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung int heightSpecSize = MeasureSpec.getSize(heightMeasureSpec); 187321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 188321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung if (widthSpecMode == MeasureSpec.UNSPECIFIED || heightSpecMode == MeasureSpec.UNSPECIFIED) { 189321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung throw new RuntimeException("CellLayout cannot have UNSPECIFIED dimensions"); 190321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 191321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 192321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung int numWidthGaps = mCellCountX - 1; 193321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung int numHeightGaps = mCellCountY - 1; 194321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 195234c4cd54406e363a2ebc213f6ae5be284414988Adam Cohen if (mOriginalWidthGap < 0 || mOriginalHeightGap < 0) { 196db1138b4efae89a3b5833547958a3606e5408a71Winson Chung int hSpace = widthSpecSize - mPaddingLeft - mPaddingRight; 197db1138b4efae89a3b5833547958a3606e5408a71Winson Chung int vSpace = heightSpecSize - mPaddingTop - mPaddingBottom; 198db1138b4efae89a3b5833547958a3606e5408a71Winson Chung int hFreeSpace = hSpace - (mCellCountX * mOriginalCellWidth); 199db1138b4efae89a3b5833547958a3606e5408a71Winson Chung int vFreeSpace = vSpace - (mCellCountY * mOriginalCellHeight); 200db1138b4efae89a3b5833547958a3606e5408a71Winson Chung mWidthGap = Math.min(mMaxGap, numWidthGaps > 0 ? (hFreeSpace / numWidthGaps) : 0); 201db1138b4efae89a3b5833547958a3606e5408a71Winson Chung mHeightGap = Math.min(mMaxGap,numHeightGaps > 0 ? (vFreeSpace / numHeightGaps) : 0); 202db1138b4efae89a3b5833547958a3606e5408a71Winson Chung 203db1138b4efae89a3b5833547958a3606e5408a71Winson Chung mChildren.setGap(mWidthGap, mHeightGap); 204234c4cd54406e363a2ebc213f6ae5be284414988Adam Cohen } else { 205234c4cd54406e363a2ebc213f6ae5be284414988Adam Cohen mWidthGap = mOriginalWidthGap; 206234c4cd54406e363a2ebc213f6ae5be284414988Adam Cohen mHeightGap = mOriginalHeightGap; 207df4b83dd9d6380ab963c62d1f9d1312efc87cb0fWinson Chung } 208321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 209db1138b4efae89a3b5833547958a3606e5408a71Winson Chung // Initial values correspond to widthSpecMode == MeasureSpec.EXACTLY 210db1138b4efae89a3b5833547958a3606e5408a71Winson Chung int newWidth = widthSpecSize; 211db1138b4efae89a3b5833547958a3606e5408a71Winson Chung int newHeight = heightSpecSize; 212db1138b4efae89a3b5833547958a3606e5408a71Winson Chung if (widthSpecMode == MeasureSpec.AT_MOST) { 213db1138b4efae89a3b5833547958a3606e5408a71Winson Chung newWidth = mPaddingLeft + mPaddingRight + (mCellCountX * mCellWidth) + 214db1138b4efae89a3b5833547958a3606e5408a71Winson Chung ((mCellCountX - 1) * mWidthGap); 215db1138b4efae89a3b5833547958a3606e5408a71Winson Chung newHeight = mPaddingTop + mPaddingBottom + (mCellCountY * mCellHeight) + 216db1138b4efae89a3b5833547958a3606e5408a71Winson Chung ((mCellCountY - 1) * mHeightGap); 217db1138b4efae89a3b5833547958a3606e5408a71Winson Chung setMeasuredDimension(newWidth, newHeight); 218db1138b4efae89a3b5833547958a3606e5408a71Winson Chung } 219321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 220321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung final int count = getChildCount(); 221321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung for (int i = 0; i < count; i++) { 222321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung View child = getChildAt(i); 2238245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka int childWidthMeasureSpec = 224db1138b4efae89a3b5833547958a3606e5408a71Winson Chung MeasureSpec.makeMeasureSpec(newWidth - mPaddingLeft - 225db1138b4efae89a3b5833547958a3606e5408a71Winson Chung mPaddingRight, MeasureSpec.EXACTLY); 2268245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka int childheightMeasureSpec = 227db1138b4efae89a3b5833547958a3606e5408a71Winson Chung MeasureSpec.makeMeasureSpec(newHeight - mPaddingTop - 228db1138b4efae89a3b5833547958a3606e5408a71Winson Chung mPaddingBottom, MeasureSpec.EXACTLY); 229321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung child.measure(childWidthMeasureSpec, childheightMeasureSpec); 230321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 231321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 232db1138b4efae89a3b5833547958a3606e5408a71Winson Chung setMeasuredDimension(newWidth, newHeight); 233321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 234321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 2357ef959b9177e1e715b0afe010904455a3d961fc4Michael Jurka int getContentWidth() { 236f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung return getWidthBeforeFirstLayout() + mPaddingLeft + mPaddingRight; 2370413dfa01b822e349092636774dc948b9230adeaMichael Jurka } 2380413dfa01b822e349092636774dc948b9230adeaMichael Jurka 2394b576be59e58072cc03b5a8d36afb6a322513575Winson Chung int getContentHeight() { 2404a5ad095303ca1b6b745263269333bd087168d3cPatrick Dubroy if (mCellCountY > 0) { 2414a5ad095303ca1b6b745263269333bd087168d3cPatrick Dubroy return mCellCountY * mCellHeight + (mCellCountY - 1) * Math.max(0, mHeightGap); 2424a5ad095303ca1b6b745263269333bd087168d3cPatrick Dubroy } 2434a5ad095303ca1b6b745263269333bd087168d3cPatrick Dubroy return 0; 2444b576be59e58072cc03b5a8d36afb6a322513575Winson Chung } 2454b576be59e58072cc03b5a8d36afb6a322513575Winson Chung 246d92e741ca67c58c4be01a64940847feafe26a4b1Michael Jurka int getWidthBeforeFirstLayout() { 2474a5ad095303ca1b6b745263269333bd087168d3cPatrick Dubroy if (mCellCountX > 0) { 2484a5ad095303ca1b6b745263269333bd087168d3cPatrick Dubroy return mCellCountX * mCellWidth + (mCellCountX - 1) * Math.max(0, mWidthGap); 2494a5ad095303ca1b6b745263269333bd087168d3cPatrick Dubroy } 2504a5ad095303ca1b6b745263269333bd087168d3cPatrick Dubroy return 0; 2517ef959b9177e1e715b0afe010904455a3d961fc4Michael Jurka } 2527ef959b9177e1e715b0afe010904455a3d961fc4Michael Jurka 253321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @Override 254321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung protected void onLayout(boolean changed, int l, int t, int r, int b) { 255321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung int count = getChildCount(); 256321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung for (int i = 0; i < count; i++) { 257321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung View child = getChildAt(i); 2589bfe2b2646f3849f5463c63876c184e820a7f03bMichael Jurka child.layout(mPaddingLeft, mPaddingTop, 2599bfe2b2646f3849f5463c63876c184e820a7f03bMichael Jurka r - l - mPaddingRight, b - t - mPaddingBottom); 260321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 261321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 262321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 263321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @Override 264321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public boolean onTouchEvent(MotionEvent event) { 265f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung boolean result = super.onTouchEvent(event); 266f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung int count = getPageChildCount(); 267f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung if (count > 0) { 268f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung // We only intercept the touch if we are tapping in empty space after the final row 269f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung View child = getChildOnPageAt(count - 1); 270f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung int bottom = child.getBottom(); 271f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung int numRows = (int) Math.ceil((float) getPageChildCount() / getCellCountX()); 272f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung if (numRows < getCellCountY()) { 273f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung // Add a little bit of buffer if there is room for another row 274f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung bottom += mCellHeight / 2; 275f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung } 276f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung result = result || (event.getY() < bottom); 277f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung } 278f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung return result; 279321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 280321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 28180baf5a6b3c62a62265f626d43d1167783c94131Winson Chung public void enableCenteredContent(boolean enabled) { 2828245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mChildren.enableCenteredContent(enabled); 28380baf5a6b3c62a62265f626d43d1167783c94131Winson Chung } 28480baf5a6b3c62a62265f626d43d1167783c94131Winson Chung 285321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @Override 286321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung protected void setChildrenDrawingCacheEnabled(boolean enabled) { 2878245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mChildren.setChildrenDrawingCacheEnabled(enabled); 288321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 289321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 290321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public void setCellCount(int xCount, int yCount) { 291321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung mCellCountX = xCount; 292321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung mCellCountY = yCount; 293321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung requestLayout(); 294321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 295321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 296df4b83dd9d6380ab963c62d1f9d1312efc87cb0fWinson Chung public void setGap(int widthGap, int heightGap) { 297df4b83dd9d6380ab963c62d1f9d1312efc87cb0fWinson Chung mWidthGap = widthGap; 298df4b83dd9d6380ab963c62d1f9d1312efc87cb0fWinson Chung mHeightGap = heightGap; 2998245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka mChildren.setGap(widthGap, heightGap); 300df4b83dd9d6380ab963c62d1f9d1312efc87cb0fWinson Chung } 301df4b83dd9d6380ab963c62d1f9d1312efc87cb0fWinson Chung 30280baf5a6b3c62a62265f626d43d1167783c94131Winson Chung public int[] getCellCountForDimensions(int width, int height) { 30380baf5a6b3c62a62265f626d43d1167783c94131Winson Chung // Always assume we're working with the smallest span to make sure we 30480baf5a6b3c62a62265f626d43d1167783c94131Winson Chung // reserve enough space in both orientations 30580baf5a6b3c62a62265f626d43d1167783c94131Winson Chung int smallerSize = Math.min(mCellWidth, mCellHeight); 30680baf5a6b3c62a62265f626d43d1167783c94131Winson Chung 30780baf5a6b3c62a62265f626d43d1167783c94131Winson Chung // Always round up to next largest cell 30880baf5a6b3c62a62265f626d43d1167783c94131Winson Chung int spanX = (width + smallerSize) / smallerSize; 30980baf5a6b3c62a62265f626d43d1167783c94131Winson Chung int spanY = (height + smallerSize) / smallerSize; 31080baf5a6b3c62a62265f626d43d1167783c94131Winson Chung 31180baf5a6b3c62a62265f626d43d1167783c94131Winson Chung return new int[] { spanX, spanY }; 31280baf5a6b3c62a62265f626d43d1167783c94131Winson Chung } 31380baf5a6b3c62a62265f626d43d1167783c94131Winson Chung 314321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung /** 315321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * Start dragging the specified child 316321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * 317321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * @param child The child that is being dragged 318321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung */ 319321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung void onDragChild(View child) { 320321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung PagedViewCellLayout.LayoutParams lp = (PagedViewCellLayout.LayoutParams) child.getLayoutParams(); 321321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung lp.isDragging = true; 322321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 323321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 324e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung /** 325e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung * Estimates the number of cells that the specified width would take up. 326e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung */ 32780baf5a6b3c62a62265f626d43d1167783c94131Winson Chung public int estimateCellHSpan(int width) { 328f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung // The space for a page assuming that we want to show half of a column of the previous and 329f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung // next pages is the width - left padding (current & next page) - right padding (previous & 330f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung // current page) - half cell width (for previous and next pages) 331c100e8eae7d67ad5bd78767494b62b8fae5d1779Winson Chung int availWidth = (int) (width - (2 * mPaddingLeft + 2 * mPaddingRight)); 332f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung 333f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung // We know that we have to fit N cells with N-1 width gaps, so we just juggle to solve for N 334f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung int n = Math.max(1, (availWidth + mWidthGap) / (mCellWidth + mWidthGap)); 335f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung 336f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung // We don't do anything fancy to determine if we squeeze another row in. 337f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung return n; 33880baf5a6b3c62a62265f626d43d1167783c94131Winson Chung } 339e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung 340e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung /** 341e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung * Estimates the number of cells that the specified height would take up. 342e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung */ 34380baf5a6b3c62a62265f626d43d1167783c94131Winson Chung public int estimateCellVSpan(int height) { 344f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung // The space for a page is the height - top padding (current page) - bottom padding (current 345f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung // page) 346f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung int availHeight = height - (mPaddingTop + mPaddingBottom); 347f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung 348f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung // We know that we have to fit N cells with N-1 height gaps, so we juggle to solve for N 349f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung int n = Math.max(1, (availHeight + mHeightGap) / (mCellHeight + mHeightGap)); 350f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung 351f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung // We don't do anything fancy to determine if we squeeze another row in. 352f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung return n; 353f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung } 354f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung 3557d7541e7b48fdc114c24b3b0aa75e70d7228041eWinson Chung /** Returns an estimated center position of the cell at the specified index */ 3567d7541e7b48fdc114c24b3b0aa75e70d7228041eWinson Chung public int[] estimateCellPosition(int x, int y) { 3577d7541e7b48fdc114c24b3b0aa75e70d7228041eWinson Chung return new int[] { 3587d7541e7b48fdc114c24b3b0aa75e70d7228041eWinson Chung mPaddingLeft + (x * mCellWidth) + (x * mWidthGap) + (mCellWidth / 2), 3597d7541e7b48fdc114c24b3b0aa75e70d7228041eWinson Chung mPaddingTop + (y * mCellHeight) + (y * mHeightGap) + (mCellHeight / 2) 3607d7541e7b48fdc114c24b3b0aa75e70d7228041eWinson Chung }; 3617d7541e7b48fdc114c24b3b0aa75e70d7228041eWinson Chung } 3627d7541e7b48fdc114c24b3b0aa75e70d7228041eWinson Chung 363f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung public void calculateCellCount(int width, int height, int maxCellCountX, int maxCellCountY) { 364f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung mCellCountX = Math.min(maxCellCountX, estimateCellHSpan(width)); 365f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung mCellCountY = Math.min(maxCellCountY, estimateCellVSpan(height)); 366f0ea4d3378be7b962c8e0bce2392df5e82491fb8Winson Chung requestLayout(); 36780baf5a6b3c62a62265f626d43d1167783c94131Winson Chung } 368e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung 369e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung /** 370e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung * Estimates the width that the number of vSpan cells will take up. 371e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung */ 372e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung public int estimateCellWidth(int hSpan) { 373e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung // TODO: we need to take widthGap into effect 374e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung return hSpan * mCellWidth; 375e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung } 376e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung 377e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung /** 378e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung * Estimates the height that the number of vSpan cells will take up. 379e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung */ 380e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung public int estimateCellHeight(int vSpan) { 381e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung // TODO: we need to take heightGap into effect 382e3193b93ad7bf33e2e45319084a99b9fc986622bWinson Chung return vSpan * mCellHeight; 38380baf5a6b3c62a62265f626d43d1167783c94131Winson Chung } 38480baf5a6b3c62a62265f626d43d1167783c94131Winson Chung 385321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @Override 386321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public ViewGroup.LayoutParams generateLayoutParams(AttributeSet attrs) { 387321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung return new PagedViewCellLayout.LayoutParams(getContext(), attrs); 388321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 389321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 390321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @Override 391321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung protected boolean checkLayoutParams(ViewGroup.LayoutParams p) { 392321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung return p instanceof PagedViewCellLayout.LayoutParams; 393321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 394321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 395321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @Override 396321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung protected ViewGroup.LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) { 397321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung return new PagedViewCellLayout.LayoutParams(p); 398321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 399321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 400321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public static class LayoutParams extends ViewGroup.MarginLayoutParams { 401321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung /** 402321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * Horizontal location of the item in the grid. 403321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung */ 404321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @ViewDebug.ExportedProperty 405321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public int cellX; 406321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 407321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung /** 408321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * Vertical location of the item in the grid. 409321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung */ 410321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @ViewDebug.ExportedProperty 411321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public int cellY; 412321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 413321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung /** 414321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * Number of cells spanned horizontally by the item. 415321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung */ 416321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @ViewDebug.ExportedProperty 417321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public int cellHSpan; 418321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 419321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung /** 420321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * Number of cells spanned vertically by the item. 421321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung */ 422321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @ViewDebug.ExportedProperty 423321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public int cellVSpan; 424321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 425321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung /** 426321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung * Is this item currently being dragged 427321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung */ 428321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public boolean isDragging; 429321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 43080baf5a6b3c62a62265f626d43d1167783c94131Winson Chung // a data object that you can bind to this layout params 43180baf5a6b3c62a62265f626d43d1167783c94131Winson Chung private Object mTag; 43280baf5a6b3c62a62265f626d43d1167783c94131Winson Chung 433321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung // X coordinate of the view in the layout. 434321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @ViewDebug.ExportedProperty 435321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung int x; 436321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung // Y coordinate of the view in the layout. 437321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung @ViewDebug.ExportedProperty 438321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung int y; 439321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 44080baf5a6b3c62a62265f626d43d1167783c94131Winson Chung public LayoutParams() { 44180baf5a6b3c62a62265f626d43d1167783c94131Winson Chung super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); 44280baf5a6b3c62a62265f626d43d1167783c94131Winson Chung cellHSpan = 1; 44380baf5a6b3c62a62265f626d43d1167783c94131Winson Chung cellVSpan = 1; 44480baf5a6b3c62a62265f626d43d1167783c94131Winson Chung } 44580baf5a6b3c62a62265f626d43d1167783c94131Winson Chung 446321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public LayoutParams(Context c, AttributeSet attrs) { 447321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung super(c, attrs); 448321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung cellHSpan = 1; 449321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung cellVSpan = 1; 450321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 451321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 452321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public LayoutParams(ViewGroup.LayoutParams source) { 453321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung super(source); 454321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung cellHSpan = 1; 455321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung cellVSpan = 1; 456321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 457321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 458321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public LayoutParams(LayoutParams source) { 459321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung super(source); 460321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung this.cellX = source.cellX; 461321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung this.cellY = source.cellY; 462321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung this.cellHSpan = source.cellHSpan; 463321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung this.cellVSpan = source.cellVSpan; 464321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 465321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 466321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public LayoutParams(int cellX, int cellY, int cellHSpan, int cellVSpan) { 467321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); 468321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung this.cellX = cellX; 469321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung this.cellY = cellY; 470321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung this.cellHSpan = cellHSpan; 471321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung this.cellVSpan = cellVSpan; 472321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 473321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 474321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public void setup(int cellWidth, int cellHeight, int widthGap, int heightGap, 475321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung int hStartPadding, int vStartPadding) { 476321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 477321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung final int myCellHSpan = cellHSpan; 478321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung final int myCellVSpan = cellVSpan; 479321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung final int myCellX = cellX; 480321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung final int myCellY = cellY; 481321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 482321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung width = myCellHSpan * cellWidth + ((myCellHSpan - 1) * widthGap) - 483321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung leftMargin - rightMargin; 484321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung height = myCellVSpan * cellHeight + ((myCellVSpan - 1) * heightGap) - 485321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung topMargin - bottomMargin; 486321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 487a2eb17095dcffa75c1e9681fdc318fe6e0564321Michael Jurka if (LauncherApplication.isScreenLarge()) { 488785d2eb2b8d7072c8124300dd9168ff51a91cf38Winson Chung x = hStartPadding + myCellX * (cellWidth + widthGap) + leftMargin; 489785d2eb2b8d7072c8124300dd9168ff51a91cf38Winson Chung y = vStartPadding + myCellY * (cellHeight + heightGap) + topMargin; 490785d2eb2b8d7072c8124300dd9168ff51a91cf38Winson Chung } else { 491785d2eb2b8d7072c8124300dd9168ff51a91cf38Winson Chung x = myCellX * (cellWidth + widthGap) + leftMargin; 492785d2eb2b8d7072c8124300dd9168ff51a91cf38Winson Chung y = myCellY * (cellHeight + heightGap) + topMargin; 493785d2eb2b8d7072c8124300dd9168ff51a91cf38Winson Chung } 494321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 495321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung 49680baf5a6b3c62a62265f626d43d1167783c94131Winson Chung public Object getTag() { 49780baf5a6b3c62a62265f626d43d1167783c94131Winson Chung return mTag; 49880baf5a6b3c62a62265f626d43d1167783c94131Winson Chung } 49980baf5a6b3c62a62265f626d43d1167783c94131Winson Chung 50080baf5a6b3c62a62265f626d43d1167783c94131Winson Chung public void setTag(Object tag) { 50180baf5a6b3c62a62265f626d43d1167783c94131Winson Chung mTag = tag; 50280baf5a6b3c62a62265f626d43d1167783c94131Winson Chung } 50380baf5a6b3c62a62265f626d43d1167783c94131Winson Chung 504321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung public String toString() { 50580baf5a6b3c62a62265f626d43d1167783c94131Winson Chung return "(" + this.cellX + ", " + this.cellY + ", " + 50680baf5a6b3c62a62265f626d43d1167783c94131Winson Chung this.cellHSpan + ", " + this.cellVSpan + ")"; 507321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 508321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung } 509321e9ee68848d9e782fd557f69cc070308ffbc9cWinson Chung} 5108245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka 5118245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurkainterface Page { 5128245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka public int getPageChildCount(); 5138245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka public View getChildOnPageAt(int i); 5148245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka public void removeAllViewsOnPage(); 5158245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka public void removeViewOnPageAt(int i); 5168245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka public int indexOfChildOnPage(View v); 5178245a8685fc9f4802c9fa29a989854b2522fc588Michael Jurka} 518