VerticalGridPresenter.java revision 8df88a1ead9ea62456fc3bbda41657ccf61d5721
1739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout/* 2739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout * Copyright (C) 2014 The Android Open Source Project 3739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout * 4739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 5739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout * in compliance with the License. You may obtain a copy of the License at 6739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout * 7739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout * http://www.apache.org/licenses/LICENSE-2.0 8739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout * 9739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout * Unless required by applicable law or agreed to in writing, software distributed under the License 10739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 11739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout * or implied. See the License for the specific language governing permissions and limitations under 12739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout * the License. 13739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout */ 14739e3805bf2785e6773aede5e2e1643f537305f9Craig Stoutpackage android.support.v17.leanback.widget; 15739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout 16739e3805bf2785e6773aede5e2e1643f537305f9Craig Stoutimport android.support.v17.leanback.R; 17739e3805bf2785e6773aede5e2e1643f537305f9Craig Stoutimport android.view.LayoutInflater; 18739e3805bf2785e6773aede5e2e1643f537305f9Craig Stoutimport android.view.View; 19739e3805bf2785e6773aede5e2e1643f537305f9Craig Stoutimport android.view.ViewGroup; 200d734cb6671b314f84cb4911cd37631177d07fbaCraig Stoutimport android.view.ViewGroup.LayoutParams; 21739e3805bf2785e6773aede5e2e1643f537305f9Craig Stoutimport android.util.Log; 22739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout 23739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout/** 24739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout * A presenter that renders objects in a vertical grid. 25739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout * 26739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout */ 27739e3805bf2785e6773aede5e2e1643f537305f9Craig Stoutpublic class VerticalGridPresenter extends Presenter { 28739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout private static final String TAG = "GridPresenter"; 29739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout private static final boolean DEBUG = false; 30739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout 3171fddded48048acfa744ac352166770c91a1c2b1Dake Gu class VerticalGridItemBridgeAdapter extends ItemBridgeAdapter { 3271fddded48048acfa744ac352166770c91a1c2b1Dake Gu @Override 3371fddded48048acfa744ac352166770c91a1c2b1Dake Gu public void onBind(final ItemBridgeAdapter.ViewHolder itemViewHolder) { 3471fddded48048acfa744ac352166770c91a1c2b1Dake Gu // Only when having an OnItemClickListner, we attach the OnClickListener. 358df88a1ead9ea62456fc3bbda41657ccf61d5721Dake Gu if (getOnItemViewClickedListener() != null) { 3671fddded48048acfa744ac352166770c91a1c2b1Dake Gu final View itemView = itemViewHolder.mHolder.view; 3771fddded48048acfa744ac352166770c91a1c2b1Dake Gu itemView.setOnClickListener(new View.OnClickListener() { 3871fddded48048acfa744ac352166770c91a1c2b1Dake Gu @Override 3971fddded48048acfa744ac352166770c91a1c2b1Dake Gu public void onClick(View view) { 4071fddded48048acfa744ac352166770c91a1c2b1Dake Gu if (getOnItemViewClickedListener() != null) { 4171fddded48048acfa744ac352166770c91a1c2b1Dake Gu // Row is always null 4271fddded48048acfa744ac352166770c91a1c2b1Dake Gu getOnItemViewClickedListener().onItemClicked( 4371fddded48048acfa744ac352166770c91a1c2b1Dake Gu itemViewHolder.mHolder, itemViewHolder.mItem, null, null); 4471fddded48048acfa744ac352166770c91a1c2b1Dake Gu } 4571fddded48048acfa744ac352166770c91a1c2b1Dake Gu } 4671fddded48048acfa744ac352166770c91a1c2b1Dake Gu }); 4771fddded48048acfa744ac352166770c91a1c2b1Dake Gu } 4871fddded48048acfa744ac352166770c91a1c2b1Dake Gu } 4971fddded48048acfa744ac352166770c91a1c2b1Dake Gu 5071fddded48048acfa744ac352166770c91a1c2b1Dake Gu @Override 5171fddded48048acfa744ac352166770c91a1c2b1Dake Gu public void onUnbind(ItemBridgeAdapter.ViewHolder viewHolder) { 528df88a1ead9ea62456fc3bbda41657ccf61d5721Dake Gu if (getOnItemViewClickedListener() != null) { 5371fddded48048acfa744ac352166770c91a1c2b1Dake Gu viewHolder.mHolder.view.setOnClickListener(null); 5471fddded48048acfa744ac352166770c91a1c2b1Dake Gu } 5571fddded48048acfa744ac352166770c91a1c2b1Dake Gu } 5671fddded48048acfa744ac352166770c91a1c2b1Dake Gu 5771fddded48048acfa744ac352166770c91a1c2b1Dake Gu @Override 5871fddded48048acfa744ac352166770c91a1c2b1Dake Gu public void onAttachedToWindow(ItemBridgeAdapter.ViewHolder viewHolder) { 5971fddded48048acfa744ac352166770c91a1c2b1Dake Gu viewHolder.itemView.setActivated(true); 6071fddded48048acfa744ac352166770c91a1c2b1Dake Gu } 6171fddded48048acfa744ac352166770c91a1c2b1Dake Gu } 6271fddded48048acfa744ac352166770c91a1c2b1Dake Gu 63739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout public static class ViewHolder extends Presenter.ViewHolder { 6471fddded48048acfa744ac352166770c91a1c2b1Dake Gu ItemBridgeAdapter mItemBridgeAdapter; 65739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout final VerticalGridView mGridView; 66739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout boolean mInitialized; 67739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout 68739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout public ViewHolder(VerticalGridView view) { 69739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout super(view); 70739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout mGridView = view; 71739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout } 72739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout 73739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout public VerticalGridView getGridView() { 74739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout return mGridView; 75739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout } 76739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout } 77739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout 78739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout private int mNumColumns = -1; 79739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout private int mZoomFactor; 800d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout private boolean mShadowEnabled = true; 81947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu private OnItemViewSelectedListener mOnItemViewSelectedListener; 82947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu private OnItemViewClickedListener mOnItemViewClickedListener; 834f34a05cdf73b68c3b2eb8678f740ab15225126aCraig Stout private boolean mRoundedCornersEnabled = true; 84739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout 85739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout public VerticalGridPresenter() { 86a37118706af7d79adeb8b3918fb52fad99ece361Dake Gu this(FocusHighlight.ZOOM_FACTOR_LARGE); 87739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout } 88739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout 89739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout public VerticalGridPresenter(int zoomFactor) { 90739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout mZoomFactor = zoomFactor; 91739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout } 92739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout 93739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout /** 94739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout * Sets the number of columns in the vertical grid. 95739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout */ 96739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout public void setNumberOfColumns(int numColumns) { 97739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout if (numColumns < 0) { 98739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout throw new IllegalArgumentException("Invalid number of columns"); 99739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout } 100739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout if (mNumColumns != numColumns) { 101739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout mNumColumns = numColumns; 102739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout } 103739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout } 104739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout 105739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout /** 106739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout * Returns the number of columns in the vertical grid. 107739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout */ 108739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout public int getNumberOfColumns() { 109739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout return mNumColumns; 110739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout } 111739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout 1120d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout /** 1130d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout * Enable or disable child shadow. 1140d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout * This is not only for enable/disable default shadow implementation but also subclass must 1150d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout * respect this flag. 1160d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout */ 1170d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout public final void setShadowEnabled(boolean enabled) { 1180d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout mShadowEnabled = enabled; 1190d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout } 1200d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout 1210d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout /** 1220d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout * Returns true if child shadow is enabled. 1230d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout * This is not only for enable/disable default shadow implementation but also subclass must 1240d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout * respect this flag. 1250d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout */ 1260d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout public final boolean getShadowEnabled() { 1270d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout return mShadowEnabled; 1280d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout } 1290d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout 1300d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout /** 1310d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout * Returns true if opticalBounds is supported (SDK >= 18) so that default shadow 1320d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout * is applied to each individual child of {@link VerticalGridView}. 1330d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout * Subclass may return false to disable. 1340d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout */ 1350d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout public boolean isUsingDefaultShadow() { 1360d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout return ShadowOverlayContainer.supportsShadow(); 1370d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout } 1380d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout 13974ecd2848a6ceaed6a4dcaed4748b4fb688de020Dake Gu /** 1404f34a05cdf73b68c3b2eb8678f740ab15225126aCraig Stout * Enables or disabled rounded corners on children of this row. 1414f34a05cdf73b68c3b2eb8678f740ab15225126aCraig Stout * Supported on Android SDK >= L. 1424f34a05cdf73b68c3b2eb8678f740ab15225126aCraig Stout */ 1434f34a05cdf73b68c3b2eb8678f740ab15225126aCraig Stout public final void enableChildRoundedCorners(boolean enable) { 1444f34a05cdf73b68c3b2eb8678f740ab15225126aCraig Stout mRoundedCornersEnabled = enable; 1454f34a05cdf73b68c3b2eb8678f740ab15225126aCraig Stout } 1464f34a05cdf73b68c3b2eb8678f740ab15225126aCraig Stout 1474f34a05cdf73b68c3b2eb8678f740ab15225126aCraig Stout /** 1484f34a05cdf73b68c3b2eb8678f740ab15225126aCraig Stout * Returns true if rounded corners are enabled for children of this row. 1494f34a05cdf73b68c3b2eb8678f740ab15225126aCraig Stout */ 1504f34a05cdf73b68c3b2eb8678f740ab15225126aCraig Stout public final boolean areChildRoundedCornersEnabled() { 1514f34a05cdf73b68c3b2eb8678f740ab15225126aCraig Stout return mRoundedCornersEnabled; 1524f34a05cdf73b68c3b2eb8678f740ab15225126aCraig Stout } 1534f34a05cdf73b68c3b2eb8678f740ab15225126aCraig Stout 1544f34a05cdf73b68c3b2eb8678f740ab15225126aCraig Stout /** 15574ecd2848a6ceaed6a4dcaed4748b4fb688de020Dake Gu * Returns true if SDK >= L, where Z shadow is enabled so that Z order is enabled 15674ecd2848a6ceaed6a4dcaed4748b4fb688de020Dake Gu * on each child of vertical grid. If subclass returns false in isUsingDefaultShadow() 15774ecd2848a6ceaed6a4dcaed4748b4fb688de020Dake Gu * and does not use Z-shadow on SDK >= L, it should override isUsingZOrder() return false. 15874ecd2848a6ceaed6a4dcaed4748b4fb688de020Dake Gu */ 15974ecd2848a6ceaed6a4dcaed4748b4fb688de020Dake Gu public boolean isUsingZOrder() { 16074ecd2848a6ceaed6a4dcaed4748b4fb688de020Dake Gu return ShadowHelper.getInstance().usesZShadow(); 16174ecd2848a6ceaed6a4dcaed4748b4fb688de020Dake Gu } 16274ecd2848a6ceaed6a4dcaed4748b4fb688de020Dake Gu 1630d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout final boolean needsDefaultShadow() { 1640d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout return isUsingDefaultShadow() && getShadowEnabled(); 1650d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout } 1660d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout 167739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout @Override 168739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout public final ViewHolder onCreateViewHolder(ViewGroup parent) { 169739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout ViewHolder vh = createGridViewHolder(parent); 170739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout vh.mInitialized = false; 17171fddded48048acfa744ac352166770c91a1c2b1Dake Gu vh.mItemBridgeAdapter = new VerticalGridItemBridgeAdapter(); 172739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout initializeGridViewHolder(vh); 173739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout if (!vh.mInitialized) { 174739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout throw new RuntimeException("super.initializeGridViewHolder() must be called"); 175739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout } 176739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout return vh; 177739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout } 178739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout 179739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout /** 180739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout * Subclass may override this to inflate a different layout. 181739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout */ 182739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout protected ViewHolder createGridViewHolder(ViewGroup parent) { 183739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout View root = LayoutInflater.from(parent.getContext()).inflate( 184cb13a318e577e14461eb008071dddf762847de42Dake Gu R.layout.lb_vertical_grid, parent, false); 185739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout return new ViewHolder((VerticalGridView) root.findViewById(R.id.browse_grid)); 186739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout } 187739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout 1880d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout private ItemBridgeAdapter.Wrapper mWrapper = new ItemBridgeAdapter.Wrapper() { 1890d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout @Override 1900d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout public View createWrapper(View root) { 1910d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout ShadowOverlayContainer wrapper = new ShadowOverlayContainer(root.getContext()); 1920d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout wrapper.setLayoutParams( 1930d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT)); 19446e7de54775fc37dc51041629c79249e6dae3242Dake Gu wrapper.initialize(needsDefaultShadow(), true, areChildRoundedCornersEnabled()); 1950d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout return wrapper; 1960d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout } 1970d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout @Override 1980d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout public void wrap(View wrapper, View wrapped) { 1990d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout ((ShadowOverlayContainer) wrapper).wrap(wrapped); 2000d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout } 2010d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout }; 2020d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout 20374ecd2848a6ceaed6a4dcaed4748b4fb688de020Dake Gu /** 20474ecd2848a6ceaed6a4dcaed4748b4fb688de020Dake Gu * Called after a {@link VerticalGridPresenter.ViewHolder} is created. 20574ecd2848a6ceaed6a4dcaed4748b4fb688de020Dake Gu * Subclasses may override this method and start by calling 20674ecd2848a6ceaed6a4dcaed4748b4fb688de020Dake Gu * super.initializeGridViewHolder(ViewHolder). 20774ecd2848a6ceaed6a4dcaed4748b4fb688de020Dake Gu * 20874ecd2848a6ceaed6a4dcaed4748b4fb688de020Dake Gu * @param vh The ViewHolder to initialize for the vertical grid. 20974ecd2848a6ceaed6a4dcaed4748b4fb688de020Dake Gu */ 210739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout protected void initializeGridViewHolder(ViewHolder vh) { 211739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout if (mNumColumns == -1) { 212739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout throw new IllegalStateException("Number of columns must be set"); 213739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout } 214739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout if (DEBUG) Log.v(TAG, "mNumColumns " + mNumColumns); 215739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout vh.getGridView().setNumColumns(mNumColumns); 216739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout vh.mInitialized = true; 217739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout 21846e7de54775fc37dc51041629c79249e6dae3242Dake Gu vh.mItemBridgeAdapter.setWrapper(mWrapper); 2194f34a05cdf73b68c3b2eb8678f740ab15225126aCraig Stout if (needsDefaultShadow() || areChildRoundedCornersEnabled()) { 2200d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout ShadowOverlayContainer.prepareParentForShadow(vh.getGridView()); 2210d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout ((ViewGroup) vh.view).setClipChildren(false); 2220d734cb6671b314f84cb4911cd37631177d07fbaCraig Stout } 22374ecd2848a6ceaed6a4dcaed4748b4fb688de020Dake Gu vh.getGridView().setFocusDrawingOrderEnabled(!isUsingZOrder()); 22446e7de54775fc37dc51041629c79249e6dae3242Dake Gu FocusHighlightHelper.setupBrowseItemFocusHighlight(vh.mItemBridgeAdapter, 22546e7de54775fc37dc51041629c79249e6dae3242Dake Gu mZoomFactor, true); 226739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout 227739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout final ViewHolder gridViewHolder = vh; 228739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout vh.getGridView().setOnChildSelectedListener(new OnChildSelectedListener() { 229739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout @Override 230739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout public void onChildSelected(ViewGroup parent, View view, int position, long id) { 231739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout selectChildView(gridViewHolder, view); 232739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout } 233739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout }); 234739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout } 235739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout 236739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout @Override 237739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout public void onBindViewHolder(Presenter.ViewHolder viewHolder, Object item) { 238739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout if (DEBUG) Log.v(TAG, "onBindViewHolder " + item); 239739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout ViewHolder vh = (ViewHolder) viewHolder; 240739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout vh.mItemBridgeAdapter.setAdapter((ObjectAdapter) item); 241739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout vh.getGridView().setAdapter(vh.mItemBridgeAdapter); 242739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout } 243739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout 244739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout @Override 245739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout public void onUnbindViewHolder(Presenter.ViewHolder viewHolder) { 246739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout if (DEBUG) Log.v(TAG, "onUnbindViewHolder"); 247739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout ViewHolder vh = (ViewHolder) viewHolder; 248739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout vh.mItemBridgeAdapter.setAdapter(null); 249739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout vh.getGridView().setAdapter(null); 250739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout } 251739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout 252739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout /** 253739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout * Sets the item selected listener. 254739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout * Since this is a grid the row parameter is always null. 255947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu */ 256947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu public final void setOnItemViewSelectedListener(OnItemViewSelectedListener listener) { 257947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu mOnItemViewSelectedListener = listener; 258947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu } 259947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu 260947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu /** 261947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu * Returns the item selected listener. 262947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu */ 263947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu public final OnItemViewSelectedListener getOnItemViewSelectedListener() { 264947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu return mOnItemViewSelectedListener; 265947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu } 266947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu 267947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu /** 268739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout * Sets the item clicked listener. 269947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu * OnItemViewClickedListener will override {@link View.OnClickListener} that 270947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu * item presenter sets during {@link Presenter#onCreateViewHolder(ViewGroup)}. 271947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu * So in general, developer should choose one of the listeners but not both. 272947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu */ 273947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu public final void setOnItemViewClickedListener(OnItemViewClickedListener listener) { 274947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu mOnItemViewClickedListener = listener; 275947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu } 276947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu 277947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu /** 278739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout * Returns the item clicked listener. 279947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu */ 280947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu public final OnItemViewClickedListener getOnItemViewClickedListener() { 281947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu return mOnItemViewClickedListener; 282947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu } 283947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu 284739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout private void selectChildView(ViewHolder vh, View view) { 285947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu if (getOnItemViewSelectedListener() != null) { 286947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu ItemBridgeAdapter.ViewHolder ibh = (view == null) ? null : 287947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu (ItemBridgeAdapter.ViewHolder) vh.getGridView().getChildViewHolder(view); 288947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu if (ibh == null) { 289947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu getOnItemViewSelectedListener().onItemSelected(null, null, null, null); 290947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu } else { 291947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu getOnItemViewSelectedListener().onItemSelected(ibh.mHolder, ibh.mItem, null, null); 292947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu } 293947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu } 294947dbf076cd019e3c26217fbc7aa21e860d68044Dake Gu } 295739e3805bf2785e6773aede5e2e1643f537305f9Craig Stout} 296