ListRowPresenter.java revision 4cd4cce277571385f4d1a56d5348578c38368cbe
147520b68e50572a9775a662410c5aff8300c8784Craig Stout/* 247520b68e50572a9775a662410c5aff8300c8784Craig Stout * Copyright (C) 2014 The Android Open Source Project 347520b68e50572a9775a662410c5aff8300c8784Craig Stout * 447520b68e50572a9775a662410c5aff8300c8784Craig Stout * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 547520b68e50572a9775a662410c5aff8300c8784Craig Stout * in compliance with the License. You may obtain a copy of the License at 647520b68e50572a9775a662410c5aff8300c8784Craig Stout * 747520b68e50572a9775a662410c5aff8300c8784Craig Stout * http://www.apache.org/licenses/LICENSE-2.0 847520b68e50572a9775a662410c5aff8300c8784Craig Stout * 947520b68e50572a9775a662410c5aff8300c8784Craig Stout * Unless required by applicable law or agreed to in writing, software distributed under the License 1047520b68e50572a9775a662410c5aff8300c8784Craig Stout * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 1147520b68e50572a9775a662410c5aff8300c8784Craig Stout * or implied. See the License for the specific language governing permissions and limitations under 1247520b68e50572a9775a662410c5aff8300c8784Craig Stout * the License. 1347520b68e50572a9775a662410c5aff8300c8784Craig Stout */ 1447520b68e50572a9775a662410c5aff8300c8784Craig Stoutpackage android.support.v17.leanback.widget; 1547520b68e50572a9775a662410c5aff8300c8784Craig Stout 1647520b68e50572a9775a662410c5aff8300c8784Craig Stoutimport java.util.ArrayList; 1747520b68e50572a9775a662410c5aff8300c8784Craig Stout 18892181367d658f347d00ea5e091aa31f086b2a20Dake Guimport android.content.Context; 199240e796bc63422c28f2707840bd99c48573279bDake Guimport android.content.res.TypedArray; 20cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Guimport android.graphics.Canvas; 21892181367d658f347d00ea5e091aa31f086b2a20Dake Guimport android.support.v17.leanback.R; 22cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Guimport android.support.v17.leanback.graphics.ColorOverlayDimmer; 2347520b68e50572a9775a662410c5aff8300c8784Craig Stoutimport android.support.v17.leanback.widget.Presenter.ViewHolder; 24cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Guimport android.support.v7.widget.RecyclerView; 25892181367d658f347d00ea5e091aa31f086b2a20Dake Guimport android.util.AttributeSet; 264cd4cce277571385f4d1a56d5348578c38368cbeCraig Stoutimport android.util.Log; 2747520b68e50572a9775a662410c5aff8300c8784Craig Stoutimport android.view.View; 2847520b68e50572a9775a662410c5aff8300c8784Craig Stoutimport android.view.ViewGroup; 29892181367d658f347d00ea5e091aa31f086b2a20Dake Guimport android.view.ViewGroup.LayoutParams; 30892181367d658f347d00ea5e091aa31f086b2a20Dake Guimport android.widget.FrameLayout; 3147520b68e50572a9775a662410c5aff8300c8784Craig Stout 3247520b68e50572a9775a662410c5aff8300c8784Craig Stout/** 337aaa6c6ef8807cc4ea4c4642716d6e30056bc4ebDake Gu * ListRowPresenter renders {@link ListRow} using a 34cb13a318e577e14461eb008071dddf762847de42Dake Gu * {@link HorizontalGridView} hosted in a {@link ListRowView}. 357aaa6c6ef8807cc4ea4c4642716d6e30056bc4ebDake Gu * 367aaa6c6ef8807cc4ea4c4642716d6e30056bc4ebDake Gu * <h3>Hover card</h3> 3747520b68e50572a9775a662410c5aff8300c8784Craig Stout * Optionally, {@link #setHoverCardPresenterSelector(PresenterSelector)} can be used to 3847520b68e50572a9775a662410c5aff8300c8784Craig Stout * display a view for the currently focused list item below the rendered 3947520b68e50572a9775a662410c5aff8300c8784Craig Stout * list. This view is known as a hover card. 407aaa6c6ef8807cc4ea4c4642716d6e30056bc4ebDake Gu * 417aaa6c6ef8807cc4ea4c4642716d6e30056bc4ebDake Gu * <h3>Selection animation</h3> 427aaa6c6ef8807cc4ea4c4642716d6e30056bc4ebDake Gu * ListRowPresenter disables {@link RowPresenter}'s default dimming effect and draw 437aaa6c6ef8807cc4ea4c4642716d6e30056bc4ebDake Gu * a dim overlay on top of each individual child items. Subclass may override and disable 447aaa6c6ef8807cc4ea4c4642716d6e30056bc4ebDake Gu * {@link #isUsingDefaultListSelectEffect()} and write its own dim effect in 457aaa6c6ef8807cc4ea4c4642716d6e30056bc4ebDake Gu * {@link #onSelectLevelChanged(RowPresenter.ViewHolder)}. 46dfd01bbadc107b6b3b2081ddb0236128c425f380Dake Gu * 47dfd01bbadc107b6b3b2081ddb0236128c425f380Dake Gu * <h3>Shadow</h3> 48dfd01bbadc107b6b3b2081ddb0236128c425f380Dake Gu * ListRowPresenter applies a default shadow to child of each view. Call 49dfd01bbadc107b6b3b2081ddb0236128c425f380Dake Gu * {@link #setShadowEnabled(boolean)} to disable shadow. Subclass may override and return 50dfd01bbadc107b6b3b2081ddb0236128c425f380Dake Gu * false in {@link #isUsingDefaultShadow()} and replace with its own shadow implementation. 5147520b68e50572a9775a662410c5aff8300c8784Craig Stout */ 5247520b68e50572a9775a662410c5aff8300c8784Craig Stoutpublic class ListRowPresenter extends RowPresenter { 5347520b68e50572a9775a662410c5aff8300c8784Craig Stout 5447520b68e50572a9775a662410c5aff8300c8784Craig Stout private static final String TAG = "ListRowPresenter"; 5547520b68e50572a9775a662410c5aff8300c8784Craig Stout private static final boolean DEBUG = false; 5647520b68e50572a9775a662410c5aff8300c8784Craig Stout 5747520b68e50572a9775a662410c5aff8300c8784Craig Stout public static class ViewHolder extends RowPresenter.ViewHolder { 5847520b68e50572a9775a662410c5aff8300c8784Craig Stout final ListRowPresenter mListRowPresenter; 5947520b68e50572a9775a662410c5aff8300c8784Craig Stout final HorizontalGridView mGridView; 6047520b68e50572a9775a662410c5aff8300c8784Craig Stout final ItemBridgeAdapter mItemBridgeAdapter = new ItemBridgeAdapter(); 6147520b68e50572a9775a662410c5aff8300c8784Craig Stout final HorizontalHoverCardSwitcher mHoverCardViewSwitcher = new HorizontalHoverCardSwitcher(); 62cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu final ColorOverlayDimmer mColorDimmer; 63e43e9266c4b7e4902fefb5d2a0cacca90a3d2681Dake Gu final int mPaddingTop; 64e43e9266c4b7e4902fefb5d2a0cacca90a3d2681Dake Gu final int mPaddingBottom; 65e43e9266c4b7e4902fefb5d2a0cacca90a3d2681Dake Gu final int mPaddingLeft; 66e43e9266c4b7e4902fefb5d2a0cacca90a3d2681Dake Gu final int mPaddingRight; 6747520b68e50572a9775a662410c5aff8300c8784Craig Stout 6847520b68e50572a9775a662410c5aff8300c8784Craig Stout public ViewHolder(View rootView, HorizontalGridView gridView, ListRowPresenter p) { 6947520b68e50572a9775a662410c5aff8300c8784Craig Stout super(rootView); 7047520b68e50572a9775a662410c5aff8300c8784Craig Stout mGridView = gridView; 7147520b68e50572a9775a662410c5aff8300c8784Craig Stout mListRowPresenter = p; 72cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu mColorDimmer = ColorOverlayDimmer.createDefault(rootView.getContext()); 73e43e9266c4b7e4902fefb5d2a0cacca90a3d2681Dake Gu mPaddingTop = mGridView.getPaddingTop(); 74e43e9266c4b7e4902fefb5d2a0cacca90a3d2681Dake Gu mPaddingBottom = mGridView.getPaddingBottom(); 75e43e9266c4b7e4902fefb5d2a0cacca90a3d2681Dake Gu mPaddingLeft = mGridView.getPaddingLeft(); 76e43e9266c4b7e4902fefb5d2a0cacca90a3d2681Dake Gu mPaddingRight = mGridView.getPaddingRight(); 7747520b68e50572a9775a662410c5aff8300c8784Craig Stout } 7847520b68e50572a9775a662410c5aff8300c8784Craig Stout 7947520b68e50572a9775a662410c5aff8300c8784Craig Stout public final ListRowPresenter getListRowPresenter() { 8047520b68e50572a9775a662410c5aff8300c8784Craig Stout return mListRowPresenter; 8147520b68e50572a9775a662410c5aff8300c8784Craig Stout } 8247520b68e50572a9775a662410c5aff8300c8784Craig Stout 8347520b68e50572a9775a662410c5aff8300c8784Craig Stout public final HorizontalGridView getGridView() { 8447520b68e50572a9775a662410c5aff8300c8784Craig Stout return mGridView; 8547520b68e50572a9775a662410c5aff8300c8784Craig Stout } 869de682083d3da5b1127969ee1fd7b74561aa9acdCraig Stout 879de682083d3da5b1127969ee1fd7b74561aa9acdCraig Stout public final ItemBridgeAdapter getBridgeAdapter() { 889de682083d3da5b1127969ee1fd7b74561aa9acdCraig Stout return mItemBridgeAdapter; 899de682083d3da5b1127969ee1fd7b74561aa9acdCraig Stout } 9047520b68e50572a9775a662410c5aff8300c8784Craig Stout } 9147520b68e50572a9775a662410c5aff8300c8784Craig Stout 92a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn private int mRowHeight; 93a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn private int mExpandedRowHeight; 9447520b68e50572a9775a662410c5aff8300c8784Craig Stout private PresenterSelector mHoverCardPresenterSelector; 95b9e89a1544f8cf582f191184fb9b2a4f24e1fa5bCraig Stout private int mZoomFactor; 96892181367d658f347d00ea5e091aa31f086b2a20Dake Gu private boolean mShadowEnabled = true; 979240e796bc63422c28f2707840bd99c48573279bDake Gu private int mBrowseRowsFadingEdgeLength = -1; 98b9e89a1544f8cf582f191184fb9b2a4f24e1fa5bCraig Stout 994cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout private static int sSelectedRowTopPadding; 1004cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout private static int sExpandedSelectedRowTopPadding; 1014cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout private static int sExpandedRowNoHovercardBottomPadding; 1024cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout 103b9e89a1544f8cf582f191184fb9b2a4f24e1fa5bCraig Stout /** 104b9e89a1544f8cf582f191184fb9b2a4f24e1fa5bCraig Stout * Constructs a ListRowPresenter with defaults. 105739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout * Uses {@link FocusHighlight#ZOOM_FACTOR_MEDIUM} for focus zooming. 106b9e89a1544f8cf582f191184fb9b2a4f24e1fa5bCraig Stout */ 107b9e89a1544f8cf582f191184fb9b2a4f24e1fa5bCraig Stout public ListRowPresenter() { 108739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout this(FocusHighlight.ZOOM_FACTOR_MEDIUM); 109b9e89a1544f8cf582f191184fb9b2a4f24e1fa5bCraig Stout } 110b9e89a1544f8cf582f191184fb9b2a4f24e1fa5bCraig Stout 111b9e89a1544f8cf582f191184fb9b2a4f24e1fa5bCraig Stout /** 112b9e89a1544f8cf582f191184fb9b2a4f24e1fa5bCraig Stout * Constructs a ListRowPresenter with the given parameters. 113b9e89a1544f8cf582f191184fb9b2a4f24e1fa5bCraig Stout * 114b9e89a1544f8cf582f191184fb9b2a4f24e1fa5bCraig Stout * @param zoomFactor Controls the zoom factor used when an item view is focused. One of 115739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout * {@link FocusHighlight#ZOOM_FACTOR_NONE}, 116739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout * {@link FocusHighlight#ZOOM_FACTOR_SMALL}, 117739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout * {@link FocusHighlight#ZOOM_FACTOR_MEDIUM}, 118739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout * {@link FocusHighlight#ZOOM_FACTOR_LARGE} 119b9e89a1544f8cf582f191184fb9b2a4f24e1fa5bCraig Stout */ 120b9e89a1544f8cf582f191184fb9b2a4f24e1fa5bCraig Stout public ListRowPresenter(int zoomFactor) { 121b9e89a1544f8cf582f191184fb9b2a4f24e1fa5bCraig Stout mZoomFactor = zoomFactor; 122b9e89a1544f8cf582f191184fb9b2a4f24e1fa5bCraig Stout } 123b9e89a1544f8cf582f191184fb9b2a4f24e1fa5bCraig Stout 124b9e89a1544f8cf582f191184fb9b2a4f24e1fa5bCraig Stout /** 125f272f7533fcb5aba341e9ab2f4ff0421d668a8caCraig Stout * Sets the row height for rows created by this Presenter. Rows 126a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn * created before calling this method will not be updated. 127a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn * 128f272f7533fcb5aba341e9ab2f4ff0421d668a8caCraig Stout * @param rowHeight Row height in pixels, or WRAP_CONTENT, or 0 129f272f7533fcb5aba341e9ab2f4ff0421d668a8caCraig Stout * to use the default height. 130a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn */ 131a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn public void setRowHeight(int rowHeight) { 132a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn mRowHeight = rowHeight; 133a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn } 134a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn 135a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn /** 136f272f7533fcb5aba341e9ab2f4ff0421d668a8caCraig Stout * Returns the row height for list rows created by this Presenter. 137a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn */ 138a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn public int getRowHeight() { 139a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn return mRowHeight; 140a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn } 141a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn 142a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn /** 143f272f7533fcb5aba341e9ab2f4ff0421d668a8caCraig Stout * Sets the expanded row height for rows created by this Presenter. 144f272f7533fcb5aba341e9ab2f4ff0421d668a8caCraig Stout * If not set, expanded rows have the same height as unexpanded 145a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn * rows. 146a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn * 147f272f7533fcb5aba341e9ab2f4ff0421d668a8caCraig Stout * @param rowHeight The row height in to use when the row is expanded, 148f272f7533fcb5aba341e9ab2f4ff0421d668a8caCraig Stout * in pixels, or WRAP_CONTENT, or 0 to use the default. 149a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn */ 150a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn public void setExpandedRowHeight(int rowHeight) { 151a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn mExpandedRowHeight = rowHeight; 152a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn } 153a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn 154a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn /** 155f272f7533fcb5aba341e9ab2f4ff0421d668a8caCraig Stout * Returns the expanded row height for rows created by this Presenter. 156a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn */ 157a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn public int getExpandedRowHeight() { 158f272f7533fcb5aba341e9ab2f4ff0421d668a8caCraig Stout return mExpandedRowHeight != 0 ? mExpandedRowHeight : mRowHeight; 159a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn } 160a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn 161a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn /** 162b9e89a1544f8cf582f191184fb9b2a4f24e1fa5bCraig Stout * Returns the zoom factor used for focus highlighting. 163b9e89a1544f8cf582f191184fb9b2a4f24e1fa5bCraig Stout */ 164b9e89a1544f8cf582f191184fb9b2a4f24e1fa5bCraig Stout public final int getZoomFactor() { 165b9e89a1544f8cf582f191184fb9b2a4f24e1fa5bCraig Stout return mZoomFactor; 166b9e89a1544f8cf582f191184fb9b2a4f24e1fa5bCraig Stout } 16747520b68e50572a9775a662410c5aff8300c8784Craig Stout 168892181367d658f347d00ea5e091aa31f086b2a20Dake Gu private ItemBridgeAdapter.Wrapper mCardWrapper = new ItemBridgeAdapter.Wrapper() { 169892181367d658f347d00ea5e091aa31f086b2a20Dake Gu @Override 170892181367d658f347d00ea5e091aa31f086b2a20Dake Gu public View createWrapper(View root) { 171dfd01bbadc107b6b3b2081ddb0236128c425f380Dake Gu ShadowOverlayContainer wrapper = new ShadowOverlayContainer(root.getContext()); 172892181367d658f347d00ea5e091aa31f086b2a20Dake Gu wrapper.setLayoutParams( 173892181367d658f347d00ea5e091aa31f086b2a20Dake Gu new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT)); 174cb13a318e577e14461eb008071dddf762847de42Dake Gu wrapper.initialize(needsDefaultShadow(), needsDefaultListSelectEffect()); 175892181367d658f347d00ea5e091aa31f086b2a20Dake Gu return wrapper; 176892181367d658f347d00ea5e091aa31f086b2a20Dake Gu } 177892181367d658f347d00ea5e091aa31f086b2a20Dake Gu @Override 178892181367d658f347d00ea5e091aa31f086b2a20Dake Gu public void wrap(View wrapper, View wrapped) { 179dfd01bbadc107b6b3b2081ddb0236128c425f380Dake Gu ((ShadowOverlayContainer) wrapper).wrap(wrapped); 180892181367d658f347d00ea5e091aa31f086b2a20Dake Gu } 181892181367d658f347d00ea5e091aa31f086b2a20Dake Gu }; 182892181367d658f347d00ea5e091aa31f086b2a20Dake Gu 18347520b68e50572a9775a662410c5aff8300c8784Craig Stout @Override 18447520b68e50572a9775a662410c5aff8300c8784Craig Stout protected void initializeRowViewHolder(RowPresenter.ViewHolder holder) { 18547520b68e50572a9775a662410c5aff8300c8784Craig Stout super.initializeRowViewHolder(holder); 18647520b68e50572a9775a662410c5aff8300c8784Craig Stout final ViewHolder rowViewHolder = (ViewHolder) holder; 187c4b1a043ab39a881b2a05d50e93c35e6f6ebfffbDake Gu if (needsDefaultListSelectEffect() || needsDefaultShadow()) { 188892181367d658f347d00ea5e091aa31f086b2a20Dake Gu rowViewHolder.mItemBridgeAdapter.setWrapper(mCardWrapper); 189892181367d658f347d00ea5e091aa31f086b2a20Dake Gu } 190cb13a318e577e14461eb008071dddf762847de42Dake Gu if (needsDefaultListSelectEffect()) { 191dfd01bbadc107b6b3b2081ddb0236128c425f380Dake Gu ShadowOverlayContainer.prepareParentForShadow(rowViewHolder.mGridView); 192892181367d658f347d00ea5e091aa31f086b2a20Dake Gu ((ViewGroup) rowViewHolder.view).setClipChildren(false); 193cb13a318e577e14461eb008071dddf762847de42Dake Gu if (rowViewHolder.mContainerViewHolder != null) { 194cb13a318e577e14461eb008071dddf762847de42Dake Gu ((ViewGroup) rowViewHolder.mContainerViewHolder.view).setClipChildren(false); 195cb13a318e577e14461eb008071dddf762847de42Dake Gu } 196cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu } 197b9e89a1544f8cf582f191184fb9b2a4f24e1fa5bCraig Stout FocusHighlightHelper.setupBrowseItemFocusHighlight(rowViewHolder.mItemBridgeAdapter, mZoomFactor); 19847520b68e50572a9775a662410c5aff8300c8784Craig Stout rowViewHolder.mGridView.setOnChildSelectedListener( 19947520b68e50572a9775a662410c5aff8300c8784Craig Stout new OnChildSelectedListener() { 20047520b68e50572a9775a662410c5aff8300c8784Craig Stout @Override 20147520b68e50572a9775a662410c5aff8300c8784Craig Stout public void onChildSelected(ViewGroup parent, View view, int position, long id) { 20247520b68e50572a9775a662410c5aff8300c8784Craig Stout selectChildView(rowViewHolder, view); 20347520b68e50572a9775a662410c5aff8300c8784Craig Stout } 20447520b68e50572a9775a662410c5aff8300c8784Craig Stout }); 205892181367d658f347d00ea5e091aa31f086b2a20Dake Gu rowViewHolder.mItemBridgeAdapter.setAdapterListener( 206892181367d658f347d00ea5e091aa31f086b2a20Dake Gu new ItemBridgeAdapter.AdapterListener() { 207892181367d658f347d00ea5e091aa31f086b2a20Dake Gu @Override 208892181367d658f347d00ea5e091aa31f086b2a20Dake Gu public void onCreate(final ItemBridgeAdapter.ViewHolder viewHolder) { 209892181367d658f347d00ea5e091aa31f086b2a20Dake Gu // Only when having an OnItemClickListner, we will attach the OnClickListener. 210892181367d658f347d00ea5e091aa31f086b2a20Dake Gu if (getOnItemClickedListener() != null) { 21147520b68e50572a9775a662410c5aff8300c8784Craig Stout viewHolder.mHolder.view.setOnClickListener(new View.OnClickListener() { 21247520b68e50572a9775a662410c5aff8300c8784Craig Stout @Override 21347520b68e50572a9775a662410c5aff8300c8784Craig Stout public void onClick(View v) { 21447520b68e50572a9775a662410c5aff8300c8784Craig Stout ItemBridgeAdapter.ViewHolder ibh = (ItemBridgeAdapter.ViewHolder) 215892181367d658f347d00ea5e091aa31f086b2a20Dake Gu rowViewHolder.mGridView.getChildViewHolder(viewHolder.itemView); 21647520b68e50572a9775a662410c5aff8300c8784Craig Stout if (getOnItemClickedListener() != null) { 21747520b68e50572a9775a662410c5aff8300c8784Craig Stout getOnItemClickedListener().onItemClicked(ibh.mItem, 21847520b68e50572a9775a662410c5aff8300c8784Craig Stout (ListRow) rowViewHolder.mRow); 21947520b68e50572a9775a662410c5aff8300c8784Craig Stout } 22047520b68e50572a9775a662410c5aff8300c8784Craig Stout } 22147520b68e50572a9775a662410c5aff8300c8784Craig Stout }); 22247520b68e50572a9775a662410c5aff8300c8784Craig Stout } 223892181367d658f347d00ea5e091aa31f086b2a20Dake Gu } 224892181367d658f347d00ea5e091aa31f086b2a20Dake Gu 225892181367d658f347d00ea5e091aa31f086b2a20Dake Gu @Override 22629246e5ca814f17dcf368eeacd1b44a329592ae0Dake Gu public void onAttachedToWindow(ItemBridgeAdapter.ViewHolder viewHolder) { 227dfd01bbadc107b6b3b2081ddb0236128c425f380Dake Gu if (viewHolder.itemView instanceof ShadowOverlayContainer) { 228892181367d658f347d00ea5e091aa31f086b2a20Dake Gu int dimmedColor = rowViewHolder.mColorDimmer.getPaint().getColor(); 229dfd01bbadc107b6b3b2081ddb0236128c425f380Dake Gu ((ShadowOverlayContainer) viewHolder.itemView).setOverlayColor(dimmedColor); 230892181367d658f347d00ea5e091aa31f086b2a20Dake Gu } 2314df06cbe8f6dd087fc8f1068faa77923cb297365Tim Kilbourn viewHolder.itemView.setActivated(rowViewHolder.mExpanded); 232892181367d658f347d00ea5e091aa31f086b2a20Dake Gu } 2339de682083d3da5b1127969ee1fd7b74561aa9acdCraig Stout 2349de682083d3da5b1127969ee1fd7b74561aa9acdCraig Stout @Override 2359de682083d3da5b1127969ee1fd7b74561aa9acdCraig Stout public void onAddPresenter(Presenter presenter, int type) { 2369de682083d3da5b1127969ee1fd7b74561aa9acdCraig Stout rowViewHolder.getGridView().getRecycledViewPool().setMaxRecycledViews(type, 24); 2379de682083d3da5b1127969ee1fd7b74561aa9acdCraig Stout } 238892181367d658f347d00ea5e091aa31f086b2a20Dake Gu }); 23947520b68e50572a9775a662410c5aff8300c8784Craig Stout } 24047520b68e50572a9775a662410c5aff8300c8784Craig Stout 241cb13a318e577e14461eb008071dddf762847de42Dake Gu final boolean needsDefaultListSelectEffect() { 242cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu return isUsingDefaultListSelectEffect() && getSelectEffectEnabled(); 243cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu } 244cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu 24547520b68e50572a9775a662410c5aff8300c8784Craig Stout /** 24647520b68e50572a9775a662410c5aff8300c8784Craig Stout * Set {@link PresenterSelector} used for showing a select object in a hover card. 24747520b68e50572a9775a662410c5aff8300c8784Craig Stout */ 24847520b68e50572a9775a662410c5aff8300c8784Craig Stout public final void setHoverCardPresenterSelector(PresenterSelector selector) { 24947520b68e50572a9775a662410c5aff8300c8784Craig Stout mHoverCardPresenterSelector = selector; 25047520b68e50572a9775a662410c5aff8300c8784Craig Stout } 25147520b68e50572a9775a662410c5aff8300c8784Craig Stout 25247520b68e50572a9775a662410c5aff8300c8784Craig Stout /** 25347520b68e50572a9775a662410c5aff8300c8784Craig Stout * Get {@link PresenterSelector} used for showing a select object in a hover card. 25447520b68e50572a9775a662410c5aff8300c8784Craig Stout */ 25547520b68e50572a9775a662410c5aff8300c8784Craig Stout public final PresenterSelector getHoverCardPresenterSelector() { 25647520b68e50572a9775a662410c5aff8300c8784Craig Stout return mHoverCardPresenterSelector; 25747520b68e50572a9775a662410c5aff8300c8784Craig Stout } 25847520b68e50572a9775a662410c5aff8300c8784Craig Stout 25947520b68e50572a9775a662410c5aff8300c8784Craig Stout /* 26047520b68e50572a9775a662410c5aff8300c8784Craig Stout * Perform operations when a child of horizontal grid view is selected. 26147520b68e50572a9775a662410c5aff8300c8784Craig Stout */ 26247520b68e50572a9775a662410c5aff8300c8784Craig Stout private void selectChildView(ViewHolder rowViewHolder, View view) { 26347520b68e50572a9775a662410c5aff8300c8784Craig Stout ItemBridgeAdapter.ViewHolder ibh = null; 26447520b68e50572a9775a662410c5aff8300c8784Craig Stout if (view != null) { 26547520b68e50572a9775a662410c5aff8300c8784Craig Stout ibh = (ItemBridgeAdapter.ViewHolder) 26647520b68e50572a9775a662410c5aff8300c8784Craig Stout rowViewHolder.mGridView.getChildViewHolder(view); 26747520b68e50572a9775a662410c5aff8300c8784Craig Stout } 26847520b68e50572a9775a662410c5aff8300c8784Craig Stout if (view == null) { 26947520b68e50572a9775a662410c5aff8300c8784Craig Stout if (mHoverCardPresenterSelector != null) { 27047520b68e50572a9775a662410c5aff8300c8784Craig Stout rowViewHolder.mHoverCardViewSwitcher.unselect(); 27147520b68e50572a9775a662410c5aff8300c8784Craig Stout } 27247520b68e50572a9775a662410c5aff8300c8784Craig Stout if (getOnItemSelectedListener() != null) { 27347520b68e50572a9775a662410c5aff8300c8784Craig Stout getOnItemSelectedListener().onItemSelected(null, rowViewHolder.mRow); 27447520b68e50572a9775a662410c5aff8300c8784Craig Stout } 27547520b68e50572a9775a662410c5aff8300c8784Craig Stout } else if (rowViewHolder.mExpanded && rowViewHolder.mSelected) { 27647520b68e50572a9775a662410c5aff8300c8784Craig Stout if (mHoverCardPresenterSelector != null) { 27747520b68e50572a9775a662410c5aff8300c8784Craig Stout rowViewHolder.mHoverCardViewSwitcher.select(rowViewHolder.mGridView, view, 27847520b68e50572a9775a662410c5aff8300c8784Craig Stout ibh.mItem); 27947520b68e50572a9775a662410c5aff8300c8784Craig Stout } 28047520b68e50572a9775a662410c5aff8300c8784Craig Stout if (getOnItemSelectedListener() != null) { 28147520b68e50572a9775a662410c5aff8300c8784Craig Stout getOnItemSelectedListener().onItemSelected(ibh.mItem, rowViewHolder.mRow); 28247520b68e50572a9775a662410c5aff8300c8784Craig Stout } 28347520b68e50572a9775a662410c5aff8300c8784Craig Stout } 28447520b68e50572a9775a662410c5aff8300c8784Craig Stout } 28547520b68e50572a9775a662410c5aff8300c8784Craig Stout 2864cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout private static void initStatics(Context context) { 2874cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout if (sSelectedRowTopPadding == 0) { 2884cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout sSelectedRowTopPadding = context.getResources().getDimensionPixelSize( 2894cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout R.dimen.lb_browse_selected_row_top_padding); 2904cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout sExpandedSelectedRowTopPadding = context.getResources().getDimensionPixelSize( 2914cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout R.dimen.lb_browse_expanded_selected_row_top_padding); 2924cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout sExpandedRowNoHovercardBottomPadding = context.getResources().getDimensionPixelSize( 2934cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout R.dimen.lb_browse_expanded_row_no_hovercard_bottom_padding); 2944cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout } 2954cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout } 2964cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout 2974cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout private int getSpaceUnderBaseline(ListRowPresenter.ViewHolder vh) { 2984cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout RowHeaderPresenter.ViewHolder headerViewHolder = vh.getHeaderViewHolder(); 2994cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout if (headerViewHolder != null) { 3004cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout if (getHeaderPresenter() != null) { 3014cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout return getHeaderPresenter().getSpaceUnderBaseline(headerViewHolder); 3024cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout } 3034cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout return headerViewHolder.view.getPaddingBottom(); 3044cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout } 3054cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout return 0; 3064cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout } 3074cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout 3084cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout private void setVerticalPadding(ListRowPresenter.ViewHolder vh) { 3094cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout int paddingTop, paddingBottom; 3104cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout if (vh.isExpanded()) { 3114cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout int headerSpaceUnderBaseline = getSpaceUnderBaseline(vh); 3124cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout if (DEBUG) Log.v(TAG, "headerSpaceUnderBaseline " + headerSpaceUnderBaseline); 3134cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout paddingTop = (vh.isSelected() ? sExpandedSelectedRowTopPadding : vh.mPaddingTop) - 3144cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout headerSpaceUnderBaseline; 3154cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout paddingBottom = mHoverCardPresenterSelector == null ? 3164cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout sExpandedRowNoHovercardBottomPadding : vh.mPaddingBottom; 3174cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout } else if (vh.isSelected()) { 3184cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout paddingTop = sSelectedRowTopPadding; 3194cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout paddingBottom = sSelectedRowTopPadding - vh.mPaddingTop; 3204cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout } else { 3214cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout paddingTop = vh.mPaddingTop; 3224cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout paddingBottom = 0; 3234cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout } 3244cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout vh.getGridView().setPadding(vh.mPaddingLeft, paddingTop, vh.mPaddingRight, 3254cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout paddingBottom); 3264cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout } 3274cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout 32847520b68e50572a9775a662410c5aff8300c8784Craig Stout @Override 32947520b68e50572a9775a662410c5aff8300c8784Craig Stout protected RowPresenter.ViewHolder createRowViewHolder(ViewGroup parent) { 3304cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout initStatics(parent.getContext()); 331cb13a318e577e14461eb008071dddf762847de42Dake Gu ListRowView rowView = new ListRowView(parent.getContext()); 3329240e796bc63422c28f2707840bd99c48573279bDake Gu setupFadingEffect(rowView); 333f272f7533fcb5aba341e9ab2f4ff0421d668a8caCraig Stout if (mRowHeight != 0) { 334a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn rowView.getGridView().setRowHeight(mRowHeight); 335a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn } 33647520b68e50572a9775a662410c5aff8300c8784Craig Stout return new ViewHolder(rowView, rowView.getGridView(), this); 33747520b68e50572a9775a662410c5aff8300c8784Craig Stout } 33847520b68e50572a9775a662410c5aff8300c8784Craig Stout 33947520b68e50572a9775a662410c5aff8300c8784Craig Stout @Override 34047520b68e50572a9775a662410c5aff8300c8784Craig Stout protected void onRowViewSelected(RowPresenter.ViewHolder holder, boolean selected) { 3412f97594742886d045ca1ce409ebc6e6e780452f6Dake Gu super.onRowViewSelected(holder, selected); 3424cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout ViewHolder vh = (ViewHolder) holder; 3434cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout setVerticalPadding(vh); 3444cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout updateFooterViewSwitcher(vh); 34547520b68e50572a9775a662410c5aff8300c8784Craig Stout } 34647520b68e50572a9775a662410c5aff8300c8784Craig Stout 34747520b68e50572a9775a662410c5aff8300c8784Craig Stout /* 34847520b68e50572a9775a662410c5aff8300c8784Craig Stout * Show or hide hover card when row selection or expanded state is changed. 34947520b68e50572a9775a662410c5aff8300c8784Craig Stout */ 35047520b68e50572a9775a662410c5aff8300c8784Craig Stout private void updateFooterViewSwitcher(ViewHolder vh) { 35147520b68e50572a9775a662410c5aff8300c8784Craig Stout if (vh.mExpanded && vh.mSelected) { 35247520b68e50572a9775a662410c5aff8300c8784Craig Stout if (mHoverCardPresenterSelector != null) { 35347520b68e50572a9775a662410c5aff8300c8784Craig Stout vh.mHoverCardViewSwitcher.init((ViewGroup) vh.view, 35447520b68e50572a9775a662410c5aff8300c8784Craig Stout mHoverCardPresenterSelector); 35547520b68e50572a9775a662410c5aff8300c8784Craig Stout } 35602e411c2c69d20aab138f1a162a24ea650eff7a1Dake Gu ItemBridgeAdapter.ViewHolder ibh = (ItemBridgeAdapter.ViewHolder) 35702e411c2c69d20aab138f1a162a24ea650eff7a1Dake Gu vh.mGridView.findViewHolderForPosition( 35802e411c2c69d20aab138f1a162a24ea650eff7a1Dake Gu vh.mGridView.getSelectedPosition()); 35902e411c2c69d20aab138f1a162a24ea650eff7a1Dake Gu selectChildView(vh, ibh == null ? null : ibh.itemView); 36047520b68e50572a9775a662410c5aff8300c8784Craig Stout } else { 36147520b68e50572a9775a662410c5aff8300c8784Craig Stout if (mHoverCardPresenterSelector != null) { 3622f97594742886d045ca1ce409ebc6e6e780452f6Dake Gu vh.mHoverCardViewSwitcher.unselect(); 36347520b68e50572a9775a662410c5aff8300c8784Craig Stout } 36447520b68e50572a9775a662410c5aff8300c8784Craig Stout } 36547520b68e50572a9775a662410c5aff8300c8784Craig Stout } 36647520b68e50572a9775a662410c5aff8300c8784Craig Stout 3679240e796bc63422c28f2707840bd99c48573279bDake Gu private void setupFadingEffect(ListRowView rowView) { 3689240e796bc63422c28f2707840bd99c48573279bDake Gu // content is completely faded at 1/2 padding of left, fading length is 1/2 of padding. 3699240e796bc63422c28f2707840bd99c48573279bDake Gu HorizontalGridView gridView = rowView.getGridView(); 3709240e796bc63422c28f2707840bd99c48573279bDake Gu if (mBrowseRowsFadingEdgeLength < 0) { 3719240e796bc63422c28f2707840bd99c48573279bDake Gu TypedArray ta = gridView.getContext() 3729240e796bc63422c28f2707840bd99c48573279bDake Gu .obtainStyledAttributes(R.styleable.LeanbackTheme); 3739240e796bc63422c28f2707840bd99c48573279bDake Gu mBrowseRowsFadingEdgeLength = (int) ta.getDimension( 3749240e796bc63422c28f2707840bd99c48573279bDake Gu R.styleable.LeanbackTheme_browseRowsFadingEdgeLength, 0); 3759240e796bc63422c28f2707840bd99c48573279bDake Gu ta.recycle(); 37647520b68e50572a9775a662410c5aff8300c8784Craig Stout } 3779240e796bc63422c28f2707840bd99c48573279bDake Gu gridView.setFadingLeftEdgeLength(mBrowseRowsFadingEdgeLength); 37847520b68e50572a9775a662410c5aff8300c8784Craig Stout } 37947520b68e50572a9775a662410c5aff8300c8784Craig Stout 38047520b68e50572a9775a662410c5aff8300c8784Craig Stout @Override 38147520b68e50572a9775a662410c5aff8300c8784Craig Stout protected void onRowViewExpanded(RowPresenter.ViewHolder holder, boolean expanded) { 38247520b68e50572a9775a662410c5aff8300c8784Craig Stout super.onRowViewExpanded(holder, expanded); 38347520b68e50572a9775a662410c5aff8300c8784Craig Stout ViewHolder vh = (ViewHolder) holder; 384a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn if (getRowHeight() != getExpandedRowHeight()) { 385a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn int newHeight = expanded ? getExpandedRowHeight() : getRowHeight(); 386a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn vh.getGridView().setRowHeight(newHeight); 387a4560456facaa3dd341a7ab2f372f655d46f7ee6Tim Kilbourn } 3884cd4cce277571385f4d1a56d5348578c38368cbeCraig Stout setVerticalPadding(vh); 3899240e796bc63422c28f2707840bd99c48573279bDake Gu vh.getGridView().setFadingLeftEdge(!expanded); 39047520b68e50572a9775a662410c5aff8300c8784Craig Stout updateFooterViewSwitcher(vh); 39147520b68e50572a9775a662410c5aff8300c8784Craig Stout } 39247520b68e50572a9775a662410c5aff8300c8784Craig Stout 39347520b68e50572a9775a662410c5aff8300c8784Craig Stout @Override 394cb13a318e577e14461eb008071dddf762847de42Dake Gu protected void onBindRowViewHolder(RowPresenter.ViewHolder holder, Object item) { 395cb13a318e577e14461eb008071dddf762847de42Dake Gu super.onBindRowViewHolder(holder, item); 396cb13a318e577e14461eb008071dddf762847de42Dake Gu ViewHolder vh = (ViewHolder) holder; 39747520b68e50572a9775a662410c5aff8300c8784Craig Stout ListRow rowItem = (ListRow) item; 39847520b68e50572a9775a662410c5aff8300c8784Craig Stout vh.mItemBridgeAdapter.clear(); 39947520b68e50572a9775a662410c5aff8300c8784Craig Stout vh.mItemBridgeAdapter.setAdapter(rowItem.getAdapter()); 40047520b68e50572a9775a662410c5aff8300c8784Craig Stout vh.mGridView.setAdapter(vh.mItemBridgeAdapter); 40147520b68e50572a9775a662410c5aff8300c8784Craig Stout } 40247520b68e50572a9775a662410c5aff8300c8784Craig Stout 40347520b68e50572a9775a662410c5aff8300c8784Craig Stout @Override 404cb13a318e577e14461eb008071dddf762847de42Dake Gu protected void onUnbindRowViewHolder(RowPresenter.ViewHolder holder) { 405cb13a318e577e14461eb008071dddf762847de42Dake Gu ((ViewHolder) holder).mGridView.setAdapter(null); 406cb13a318e577e14461eb008071dddf762847de42Dake Gu super.onUnbindRowViewHolder(holder); 40747520b68e50572a9775a662410c5aff8300c8784Craig Stout } 40847520b68e50572a9775a662410c5aff8300c8784Craig Stout 409cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu /** 410cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu * ListRowPresenter overrides the default select effect of {@link RowPresenter} 411cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu * and return false. 412cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu */ 413cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu @Override 414cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu public final boolean isUsingDefaultSelectEffect() { 415cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu return false; 416cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu } 417cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu 418cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu /** 419cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu * Returns true so that default select effect is applied to each individual 420cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu * child of {@link HorizontalGridView}. Subclass may return false to disable 421cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu * the default implementation. 422cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu * @see #onSelectLevelChanged(RowPresenter.ViewHolder) 423cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu */ 424cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu public boolean isUsingDefaultListSelectEffect() { 425cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu return true; 426cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu } 427cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu 428cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu /** 429dfd01bbadc107b6b3b2081ddb0236128c425f380Dake Gu * Returns true if SDK >= 18, where default shadow 430892181367d658f347d00ea5e091aa31f086b2a20Dake Gu * is applied to each individual child of {@link HorizontalGridView}. 431892181367d658f347d00ea5e091aa31f086b2a20Dake Gu * Subclass may return false to disable. 432892181367d658f347d00ea5e091aa31f086b2a20Dake Gu */ 433892181367d658f347d00ea5e091aa31f086b2a20Dake Gu public boolean isUsingDefaultShadow() { 434dfd01bbadc107b6b3b2081ddb0236128c425f380Dake Gu return ShadowOverlayContainer.supportsShadow(); 435892181367d658f347d00ea5e091aa31f086b2a20Dake Gu } 436892181367d658f347d00ea5e091aa31f086b2a20Dake Gu 437892181367d658f347d00ea5e091aa31f086b2a20Dake Gu /** 438892181367d658f347d00ea5e091aa31f086b2a20Dake Gu * Enable or disable child shadow. 439892181367d658f347d00ea5e091aa31f086b2a20Dake Gu * This is not only for enable/disable default shadow implementation but also subclass must 440892181367d658f347d00ea5e091aa31f086b2a20Dake Gu * respect this flag. 441892181367d658f347d00ea5e091aa31f086b2a20Dake Gu */ 442892181367d658f347d00ea5e091aa31f086b2a20Dake Gu public final void setShadowEnabled(boolean enabled) { 443892181367d658f347d00ea5e091aa31f086b2a20Dake Gu mShadowEnabled = enabled; 444892181367d658f347d00ea5e091aa31f086b2a20Dake Gu } 445892181367d658f347d00ea5e091aa31f086b2a20Dake Gu 446892181367d658f347d00ea5e091aa31f086b2a20Dake Gu /** 447892181367d658f347d00ea5e091aa31f086b2a20Dake Gu * Returns true if child shadow is enabled. 448892181367d658f347d00ea5e091aa31f086b2a20Dake Gu * This is not only for enable/disable default shadow implementation but also subclass must 449892181367d658f347d00ea5e091aa31f086b2a20Dake Gu * respect this flag. 450892181367d658f347d00ea5e091aa31f086b2a20Dake Gu */ 451892181367d658f347d00ea5e091aa31f086b2a20Dake Gu public final boolean getShadowEnabled() { 452892181367d658f347d00ea5e091aa31f086b2a20Dake Gu return mShadowEnabled; 453892181367d658f347d00ea5e091aa31f086b2a20Dake Gu } 454892181367d658f347d00ea5e091aa31f086b2a20Dake Gu 455892181367d658f347d00ea5e091aa31f086b2a20Dake Gu final boolean needsDefaultShadow() { 456892181367d658f347d00ea5e091aa31f086b2a20Dake Gu return isUsingDefaultShadow() && getShadowEnabled(); 457892181367d658f347d00ea5e091aa31f086b2a20Dake Gu } 458892181367d658f347d00ea5e091aa31f086b2a20Dake Gu 459892181367d658f347d00ea5e091aa31f086b2a20Dake Gu @Override 460892181367d658f347d00ea5e091aa31f086b2a20Dake Gu public boolean canDrawOutOfBounds() { 461892181367d658f347d00ea5e091aa31f086b2a20Dake Gu return needsDefaultShadow(); 462892181367d658f347d00ea5e091aa31f086b2a20Dake Gu } 463892181367d658f347d00ea5e091aa31f086b2a20Dake Gu 464892181367d658f347d00ea5e091aa31f086b2a20Dake Gu /** 465cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu * Applies select level to header and draw a default color dim over each child 466cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu * of {@link HorizontalGridView}. 467cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu * <p> 468cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu * Subclass may override this method. A subclass 469cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu * needs to call super.onSelectLevelChanged() for applying header select level 470cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu * and optionally applying a default select level to each child view of 471cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu * {@link HorizontalGridView} if {@link #isUsingDefaultListSelectEffect()} 472cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu * is true. Subclass may override {@link #isUsingDefaultListSelectEffect()} to return 473cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu * false and deal with the individual item select level by itself. 474cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu * </p> 475cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu */ 476cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu @Override 477cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu protected void onSelectLevelChanged(RowPresenter.ViewHolder holder) { 478cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu super.onSelectLevelChanged(holder); 479cb13a318e577e14461eb008071dddf762847de42Dake Gu if (needsDefaultListSelectEffect()) { 480cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu ViewHolder vh = (ViewHolder) holder; 481cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu vh.mColorDimmer.setActiveLevel(holder.mSelectLevel); 482892181367d658f347d00ea5e091aa31f086b2a20Dake Gu int dimmedColor = vh.mColorDimmer.getPaint().getColor(); 483892181367d658f347d00ea5e091aa31f086b2a20Dake Gu for (int i = 0, count = vh.mGridView.getChildCount(); i < count; i++) { 484dfd01bbadc107b6b3b2081ddb0236128c425f380Dake Gu ShadowOverlayContainer wrapper = (ShadowOverlayContainer) vh.mGridView.getChildAt(i); 485dfd01bbadc107b6b3b2081ddb0236128c425f380Dake Gu wrapper.setOverlayColor(dimmedColor); 486cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu } 4879240e796bc63422c28f2707840bd99c48573279bDake Gu if (vh.mGridView.getFadingLeftEdge()) { 4889240e796bc63422c28f2707840bd99c48573279bDake Gu vh.mGridView.invalidate(); 4899240e796bc63422c28f2707840bd99c48573279bDake Gu } 490cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu } 491cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu } 492cf94c5fa8ae8edb7e26a623133207415ceeed187Dake Gu 49347520b68e50572a9775a662410c5aff8300c8784Craig Stout} 494