HeadersFragment.java revision 729cbf4cd57c87bcd569db5974c8cbd51a942581
155c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout/* 255c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout * Copyright (C) 2014 The Android Open Source Project 355c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout * 455c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 555c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout * in compliance with the License. You may obtain a copy of the License at 655c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout * 755c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout * http://www.apache.org/licenses/LICENSE-2.0 855c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout * 955c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout * Unless required by applicable law or agreed to in writing, software distributed under the License 1055c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 1155c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout * or implied. See the License for the specific language governing permissions and limitations under 1255c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout * the License. 1355c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout */ 1455c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout 1555c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stoutpackage android.support.v17.leanback.app; 1655c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout 173659dc62f9e55b1043edb4105c311c8ef997f2aeDake Guimport android.content.Context; 187a208cd35be79a69b1f4f36724b85ab96eb23e75Dake Guimport android.graphics.Color; 199a49e322d10c1a67860d812352a5ea710843b75eDake Guimport android.graphics.drawable.ColorDrawable; 207a208cd35be79a69b1f4f36724b85ab96eb23e75Dake Guimport android.graphics.drawable.Drawable; 217a208cd35be79a69b1f4f36724b85ab96eb23e75Dake Guimport android.graphics.drawable.GradientDrawable; 223c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Guimport android.os.Bundle; 2355c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stoutimport android.support.v17.leanback.R; 2455c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stoutimport android.support.v17.leanback.widget.FocusHighlightHelper; 2555c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stoutimport android.support.v17.leanback.widget.ItemBridgeAdapter; 2655c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stoutimport android.support.v17.leanback.widget.PresenterSelector; 278df88a1ead9ea62456fc3bbda41657ccf61d5721Dake Guimport android.support.v17.leanback.widget.OnItemViewSelectedListener; 2855c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stoutimport android.support.v17.leanback.widget.Row; 293c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Guimport android.support.v17.leanback.widget.RowHeaderPresenter; 30bd80644186ff8622c565f067dc3a4136a4dc0586Dake Guimport android.support.v17.leanback.widget.SinglePresenterSelector; 313c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Guimport android.support.v17.leanback.widget.VerticalGridView; 320246318f27a905a31df5a8af445cfe67d31dfb68Dake Guimport android.support.v7.widget.RecyclerView; 334cf79b1c4d38a190317961891f9fd052836710fdCraig Stoutimport android.util.TypedValue; 3455c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stoutimport android.view.View; 3555c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stoutimport android.view.ViewGroup; 362f97594742886d045ca1ce409ebc6e6e780452f6Dake Guimport android.view.View.OnLayoutChangeListener; 37e51474af2c4b5192a75fd283cb737d02fccc58a4Craig Stoutimport android.widget.FrameLayout; 3855c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout 3955c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout/** 4055c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout * An internal fragment containing a list of row headers. 4155c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout */ 42a8a3b898da49324e83ea32c3f08776a481312166Tim Kilbournpublic class HeadersFragment extends BaseRowFragment { 433c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu 44729cbf4cd57c87bcd569db5974c8cbd51a942581Dake Gu /** 45729cbf4cd57c87bcd569db5974c8cbd51a942581Dake Gu * Interface definition for a callback to be invoked when a header item is clicked. 46729cbf4cd57c87bcd569db5974c8cbd51a942581Dake Gu */ 47729cbf4cd57c87bcd569db5974c8cbd51a942581Dake Gu public interface OnHeaderClickedListener { 48729cbf4cd57c87bcd569db5974c8cbd51a942581Dake Gu /** 49729cbf4cd57c87bcd569db5974c8cbd51a942581Dake Gu * Called when a header item has been clicked. 50729cbf4cd57c87bcd569db5974c8cbd51a942581Dake Gu * 51729cbf4cd57c87bcd569db5974c8cbd51a942581Dake Gu * @param viewHolder Row ViewHolder object corresponding to the selected Header. 52729cbf4cd57c87bcd569db5974c8cbd51a942581Dake Gu * @param row Row object corresponding to the selected Header. 53729cbf4cd57c87bcd569db5974c8cbd51a942581Dake Gu */ 54729cbf4cd57c87bcd569db5974c8cbd51a942581Dake Gu void onHeaderClicked(RowHeaderPresenter.ViewHolder viewHolder, Row row); 553c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu } 563c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu 57729cbf4cd57c87bcd569db5974c8cbd51a942581Dake Gu /** 58729cbf4cd57c87bcd569db5974c8cbd51a942581Dake Gu * Interface definition for a callback to be invoked when a header item is selected. 59729cbf4cd57c87bcd569db5974c8cbd51a942581Dake Gu */ 60729cbf4cd57c87bcd569db5974c8cbd51a942581Dake Gu public interface OnHeaderViewSelectedListener { 61729cbf4cd57c87bcd569db5974c8cbd51a942581Dake Gu /** 62729cbf4cd57c87bcd569db5974c8cbd51a942581Dake Gu * Called when a header item has been selected. 63729cbf4cd57c87bcd569db5974c8cbd51a942581Dake Gu * 64729cbf4cd57c87bcd569db5974c8cbd51a942581Dake Gu * @param viewHolder Row ViewHolder object corresponding to the selected Header. 65729cbf4cd57c87bcd569db5974c8cbd51a942581Dake Gu * @param row Row object corresponding to the selected Header. 66729cbf4cd57c87bcd569db5974c8cbd51a942581Dake Gu */ 678df88a1ead9ea62456fc3bbda41657ccf61d5721Dake Gu void onHeaderSelected(RowHeaderPresenter.ViewHolder viewHolder, Row row); 688df88a1ead9ea62456fc3bbda41657ccf61d5721Dake Gu } 698df88a1ead9ea62456fc3bbda41657ccf61d5721Dake Gu 708df88a1ead9ea62456fc3bbda41657ccf61d5721Dake Gu private OnHeaderViewSelectedListener mOnHeaderViewSelectedListener; 713c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu private OnHeaderClickedListener mOnHeaderClickedListener; 72d559710c8763acb37fd444735da7ee770b84df07Craig Stout private boolean mHeadersEnabled = true; 73d559710c8763acb37fd444735da7ee770b84df07Craig Stout private boolean mHeadersGone = false; 744cf79b1c4d38a190317961891f9fd052836710fdCraig Stout private int mBackgroundColor; 754cf79b1c4d38a190317961891f9fd052836710fdCraig Stout private boolean mBackgroundColorSet; 763c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu 77bd80644186ff8622c565f067dc3a4136a4dc0586Dake Gu private static final PresenterSelector sHeaderPresenter = new SinglePresenterSelector( 78268de3d2ea3de1be0725a80bbc79dd7b8b18617eCraig Stout new RowHeaderPresenter(R.layout.lb_header)); 7955c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout 80a8a3b898da49324e83ea32c3f08776a481312166Tim Kilbourn public HeadersFragment() { 81bd80644186ff8622c565f067dc3a4136a4dc0586Dake Gu setPresenterSelector(sHeaderPresenter); 8255c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout } 8355c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout 843c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu public void setOnHeaderClickedListener(OnHeaderClickedListener listener) { 853c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu mOnHeaderClickedListener = listener; 8655c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout } 8755c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout 888df88a1ead9ea62456fc3bbda41657ccf61d5721Dake Gu public void setOnHeaderViewSelectedListener(OnHeaderViewSelectedListener listener) { 898df88a1ead9ea62456fc3bbda41657ccf61d5721Dake Gu mOnHeaderViewSelectedListener = listener; 9055c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout } 9155c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout 9255c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout @Override 9342752c860a26deacca04ea9ebeb00ddb4d8ce2fcDake Gu VerticalGridView findGridViewFromRoot(View view) { 947a208cd35be79a69b1f4f36724b85ab96eb23e75Dake Gu return (VerticalGridView) view.findViewById(R.id.browse_headers); 957a208cd35be79a69b1f4f36724b85ab96eb23e75Dake Gu } 967a208cd35be79a69b1f4f36724b85ab96eb23e75Dake Gu 977a208cd35be79a69b1f4f36724b85ab96eb23e75Dake Gu @Override 980246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu void onRowSelected(RecyclerView parent, RecyclerView.ViewHolder viewHolder, 990246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu int position, int subposition) { 1008df88a1ead9ea62456fc3bbda41657ccf61d5721Dake Gu if (mOnHeaderViewSelectedListener != null) { 1010246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu if (viewHolder != null && position >= 0) { 1020246318f27a905a31df5a8af445cfe67d31dfb68Dake Gu ItemBridgeAdapter.ViewHolder vh = (ItemBridgeAdapter.ViewHolder) viewHolder; 1038df88a1ead9ea62456fc3bbda41657ccf61d5721Dake Gu mOnHeaderViewSelectedListener.onHeaderSelected( 104729cbf4cd57c87bcd569db5974c8cbd51a942581Dake Gu (RowHeaderPresenter.ViewHolder) vh.getViewHolder(), (Row) vh.getItem()); 105d736653bfee7fc83fc68d57d0e0bee5fa807287fDake Gu } else { 1068df88a1ead9ea62456fc3bbda41657ccf61d5721Dake Gu mOnHeaderViewSelectedListener.onHeaderSelected(null, null); 1072f5fbc79d656fc4966119141aaef48161f08376fAndrew Wilson } 10855c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout } 10955c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout } 11055c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout 1113c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu private final ItemBridgeAdapter.AdapterListener mAdapterListener = 1123c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu new ItemBridgeAdapter.AdapterListener() { 1133c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu @Override 114729cbf4cd57c87bcd569db5974c8cbd51a942581Dake Gu public void onCreate(final ItemBridgeAdapter.ViewHolder viewHolder) { 1153c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu View headerView = viewHolder.getViewHolder().view; 1163c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu headerView.setOnClickListener(new View.OnClickListener() { 1173c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu @Override 1183c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu public void onClick(View v) { 1193c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu if (mOnHeaderClickedListener != null) { 120729cbf4cd57c87bcd569db5974c8cbd51a942581Dake Gu mOnHeaderClickedListener.onHeaderClicked( 121729cbf4cd57c87bcd569db5974c8cbd51a942581Dake Gu (RowHeaderPresenter.ViewHolder) viewHolder.getViewHolder(), 122729cbf4cd57c87bcd569db5974c8cbd51a942581Dake Gu (Row) viewHolder.getItem()); 1233c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu } 1243c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu } 1253c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu }); 1263c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu headerView.setFocusable(true); 1273c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu headerView.setFocusableInTouchMode(true); 128e51474af2c4b5192a75fd283cb737d02fccc58a4Craig Stout if (mWrapper != null) { 129e51474af2c4b5192a75fd283cb737d02fccc58a4Craig Stout viewHolder.itemView.addOnLayoutChangeListener(sLayoutChangeListener); 130e51474af2c4b5192a75fd283cb737d02fccc58a4Craig Stout } else { 131e51474af2c4b5192a75fd283cb737d02fccc58a4Craig Stout headerView.addOnLayoutChangeListener(sLayoutChangeListener); 132e51474af2c4b5192a75fd283cb737d02fccc58a4Craig Stout } 1333c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu } 1343c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu 1353c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu }; 1363c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu 1372f97594742886d045ca1ce409ebc6e6e780452f6Dake Gu private static OnLayoutChangeListener sLayoutChangeListener = new OnLayoutChangeListener() { 1382f97594742886d045ca1ce409ebc6e6e780452f6Dake Gu @Override 1392f97594742886d045ca1ce409ebc6e6e780452f6Dake Gu public void onLayoutChange(View v, int left, int top, int right, int bottom, 1402f97594742886d045ca1ce409ebc6e6e780452f6Dake Gu int oldLeft, int oldTop, int oldRight, int oldBottom) { 1418e3566285de4ac771d6188f62fe947e23d371a3dKris Giesing v.setPivotX(v.getLayoutDirection() == View.LAYOUT_DIRECTION_RTL ? v.getWidth() : 0); 1422f97594742886d045ca1ce409ebc6e6e780452f6Dake Gu v.setPivotY(v.getMeasuredHeight() / 2); 1432f97594742886d045ca1ce409ebc6e6e780452f6Dake Gu } 1442f97594742886d045ca1ce409ebc6e6e780452f6Dake Gu }; 1452f97594742886d045ca1ce409ebc6e6e780452f6Dake Gu 1462f97594742886d045ca1ce409ebc6e6e780452f6Dake Gu @Override 14742752c860a26deacca04ea9ebeb00ddb4d8ce2fcDake Gu int getLayoutResourceId() { 1482f97594742886d045ca1ce409ebc6e6e780452f6Dake Gu return R.layout.lb_headers_fragment; 1492f97594742886d045ca1ce409ebc6e6e780452f6Dake Gu } 1502f97594742886d045ca1ce409ebc6e6e780452f6Dake Gu 1512f97594742886d045ca1ce409ebc6e6e780452f6Dake Gu @Override 1522f97594742886d045ca1ce409ebc6e6e780452f6Dake Gu public void onViewCreated(View view, Bundle savedInstanceState) { 1532f97594742886d045ca1ce409ebc6e6e780452f6Dake Gu super.onViewCreated(view, savedInstanceState); 1544cf79b1c4d38a190317961891f9fd052836710fdCraig Stout final VerticalGridView listView = getVerticalGridView(); 1554cf79b1c4d38a190317961891f9fd052836710fdCraig Stout if (listView == null) { 1564cf79b1c4d38a190317961891f9fd052836710fdCraig Stout return; 1573c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu } 1584cf79b1c4d38a190317961891f9fd052836710fdCraig Stout if (getBridgeAdapter() != null) { 1594cf79b1c4d38a190317961891f9fd052836710fdCraig Stout FocusHighlightHelper.setupHeaderItemFocusHighlight(listView); 1604cf79b1c4d38a190317961891f9fd052836710fdCraig Stout } 1617f43e18536eae40705d5c63830e9edb283f196adDake Gu if (mBackgroundColorSet) { 1629a49e322d10c1a67860d812352a5ea710843b75eDake Gu listView.setBackgroundColor(mBackgroundColor); 1637f43e18536eae40705d5c63830e9edb283f196adDake Gu updateFadingEdgeToBrandColor(mBackgroundColor); 1649a49e322d10c1a67860d812352a5ea710843b75eDake Gu } else { 1659a49e322d10c1a67860d812352a5ea710843b75eDake Gu Drawable d = listView.getBackground(); 1669a49e322d10c1a67860d812352a5ea710843b75eDake Gu if (d instanceof ColorDrawable) { 1679a49e322d10c1a67860d812352a5ea710843b75eDake Gu updateFadingEdgeToBrandColor(((ColorDrawable) d).getColor()); 1689a49e322d10c1a67860d812352a5ea710843b75eDake Gu } 1697f43e18536eae40705d5c63830e9edb283f196adDake Gu } 170d7618ab69ef591dd5342b9481c4954bfc7e9110cDake Gu updateListViewVisibility(); 1713c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu } 1723c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu 173d7618ab69ef591dd5342b9481c4954bfc7e9110cDake Gu private void updateListViewVisibility() { 1743c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu final VerticalGridView listView = getVerticalGridView(); 1752f97594742886d045ca1ce409ebc6e6e780452f6Dake Gu if (listView != null) { 1769652881bb6af5a2b76f89d683bd420336f4bf463Dake Gu getView().setVisibility(mHeadersGone ? View.GONE : View.VISIBLE); 177d7618ab69ef591dd5342b9481c4954bfc7e9110cDake Gu if (!mHeadersGone) { 178d7618ab69ef591dd5342b9481c4954bfc7e9110cDake Gu if (mHeadersEnabled) { 179d7618ab69ef591dd5342b9481c4954bfc7e9110cDake Gu listView.setChildrenVisibility(View.VISIBLE); 180d7618ab69ef591dd5342b9481c4954bfc7e9110cDake Gu } else { 181d7618ab69ef591dd5342b9481c4954bfc7e9110cDake Gu listView.setChildrenVisibility(View.INVISIBLE); 182d7618ab69ef591dd5342b9481c4954bfc7e9110cDake Gu } 183d7618ab69ef591dd5342b9481c4954bfc7e9110cDake Gu } 184d559710c8763acb37fd444735da7ee770b84df07Craig Stout } 185d559710c8763acb37fd444735da7ee770b84df07Craig Stout } 186d559710c8763acb37fd444735da7ee770b84df07Craig Stout 187d7618ab69ef591dd5342b9481c4954bfc7e9110cDake Gu void setHeadersEnabled(boolean enabled) { 188d7618ab69ef591dd5342b9481c4954bfc7e9110cDake Gu mHeadersEnabled = enabled; 189d7618ab69ef591dd5342b9481c4954bfc7e9110cDake Gu updateListViewVisibility(); 190d7618ab69ef591dd5342b9481c4954bfc7e9110cDake Gu } 191d7618ab69ef591dd5342b9481c4954bfc7e9110cDake Gu 192d559710c8763acb37fd444735da7ee770b84df07Craig Stout void setHeadersGone(boolean gone) { 193d559710c8763acb37fd444735da7ee770b84df07Craig Stout mHeadersGone = gone; 194d7618ab69ef591dd5342b9481c4954bfc7e9110cDake Gu updateListViewVisibility(); 1953c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu } 1963c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu 1973659dc62f9e55b1043edb4105c311c8ef997f2aeDake Gu static class NoOverlappingFrameLayout extends FrameLayout { 1983659dc62f9e55b1043edb4105c311c8ef997f2aeDake Gu 1993659dc62f9e55b1043edb4105c311c8ef997f2aeDake Gu public NoOverlappingFrameLayout(Context context) { 2003659dc62f9e55b1043edb4105c311c8ef997f2aeDake Gu super(context); 2013659dc62f9e55b1043edb4105c311c8ef997f2aeDake Gu } 2023659dc62f9e55b1043edb4105c311c8ef997f2aeDake Gu 2033659dc62f9e55b1043edb4105c311c8ef997f2aeDake Gu /** 2043659dc62f9e55b1043edb4105c311c8ef997f2aeDake Gu * Avoid creating hardware layer for header dock. 2053659dc62f9e55b1043edb4105c311c8ef997f2aeDake Gu */ 2063659dc62f9e55b1043edb4105c311c8ef997f2aeDake Gu @Override 2073659dc62f9e55b1043edb4105c311c8ef997f2aeDake Gu public boolean hasOverlappingRendering() { 2083659dc62f9e55b1043edb4105c311c8ef997f2aeDake Gu return false; 2093659dc62f9e55b1043edb4105c311c8ef997f2aeDake Gu } 2103659dc62f9e55b1043edb4105c311c8ef997f2aeDake Gu } 2113659dc62f9e55b1043edb4105c311c8ef997f2aeDake Gu 212e51474af2c4b5192a75fd283cb737d02fccc58a4Craig Stout // Wrapper needed because of conflict between RecyclerView's use of alpha 213e51474af2c4b5192a75fd283cb737d02fccc58a4Craig Stout // for ADD animations, and RowHeaderPresnter's use of alpha for selected level. 214e51474af2c4b5192a75fd283cb737d02fccc58a4Craig Stout private final ItemBridgeAdapter.Wrapper mWrapper = new ItemBridgeAdapter.Wrapper() { 215e51474af2c4b5192a75fd283cb737d02fccc58a4Craig Stout @Override 216e51474af2c4b5192a75fd283cb737d02fccc58a4Craig Stout public void wrap(View wrapper, View wrapped) { 217e51474af2c4b5192a75fd283cb737d02fccc58a4Craig Stout ((FrameLayout) wrapper).addView(wrapped); 218e51474af2c4b5192a75fd283cb737d02fccc58a4Craig Stout } 219e51474af2c4b5192a75fd283cb737d02fccc58a4Craig Stout 220e51474af2c4b5192a75fd283cb737d02fccc58a4Craig Stout @Override 221e51474af2c4b5192a75fd283cb737d02fccc58a4Craig Stout public View createWrapper(View root) { 2223659dc62f9e55b1043edb4105c311c8ef997f2aeDake Gu return new NoOverlappingFrameLayout(root.getContext()); 223e51474af2c4b5192a75fd283cb737d02fccc58a4Craig Stout } 224e51474af2c4b5192a75fd283cb737d02fccc58a4Craig Stout }; 2253c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu @Override 22642752c860a26deacca04ea9ebeb00ddb4d8ce2fcDake Gu void updateAdapter() { 22755c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout super.updateAdapter(); 22855c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout ItemBridgeAdapter adapter = getBridgeAdapter(); 22955c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout if (adapter != null) { 2303c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu adapter.setAdapterListener(mAdapterListener); 231e51474af2c4b5192a75fd283cb737d02fccc58a4Craig Stout adapter.setWrapper(mWrapper); 2323c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu } 2333c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu if (adapter != null && getVerticalGridView() != null) { 2343c23ada8bc25a05bbaa8c479a9df72e8172c4349Dake Gu FocusHighlightHelper.setupHeaderItemFocusHighlight(getVerticalGridView()); 23555c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout } 23655c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout } 2374cf79b1c4d38a190317961891f9fd052836710fdCraig Stout 2384cf79b1c4d38a190317961891f9fd052836710fdCraig Stout void setBackgroundColor(int color) { 2394cf79b1c4d38a190317961891f9fd052836710fdCraig Stout mBackgroundColor = color; 2404cf79b1c4d38a190317961891f9fd052836710fdCraig Stout mBackgroundColorSet = true; 2414cf79b1c4d38a190317961891f9fd052836710fdCraig Stout 2429a49e322d10c1a67860d812352a5ea710843b75eDake Gu if (getVerticalGridView() != null) { 2439a49e322d10c1a67860d812352a5ea710843b75eDake Gu getVerticalGridView().setBackgroundColor(mBackgroundColor); 244b74149016854eb172c0ef121ccfef749c6ef7eb1Dake Gu updateFadingEdgeToBrandColor(mBackgroundColor); 2457a208cd35be79a69b1f4f36724b85ab96eb23e75Dake Gu } 2467a208cd35be79a69b1f4f36724b85ab96eb23e75Dake Gu } 2477a208cd35be79a69b1f4f36724b85ab96eb23e75Dake Gu 248b74149016854eb172c0ef121ccfef749c6ef7eb1Dake Gu private void updateFadingEdgeToBrandColor(int backgroundColor) { 2497a208cd35be79a69b1f4f36724b85ab96eb23e75Dake Gu View fadingView = getView().findViewById(R.id.fade_out_edge); 2507a208cd35be79a69b1f4f36724b85ab96eb23e75Dake Gu Drawable background = fadingView.getBackground(); 2517a208cd35be79a69b1f4f36724b85ab96eb23e75Dake Gu if (background instanceof GradientDrawable) { 2527a208cd35be79a69b1f4f36724b85ab96eb23e75Dake Gu background.mutate(); 2537a208cd35be79a69b1f4f36724b85ab96eb23e75Dake Gu ((GradientDrawable) background).setColors( 254b74149016854eb172c0ef121ccfef749c6ef7eb1Dake Gu new int[] {Color.TRANSPARENT, backgroundColor}); 2554cf79b1c4d38a190317961891f9fd052836710fdCraig Stout } 2564cf79b1c4d38a190317961891f9fd052836710fdCraig Stout } 2574cf79b1c4d38a190317961891f9fd052836710fdCraig Stout 25849e6a6cd81f3a1117b306323064c53230a7f01adDake Gu @Override 25949e6a6cd81f3a1117b306323064c53230a7f01adDake Gu void onTransitionStart() { 26049e6a6cd81f3a1117b306323064c53230a7f01adDake Gu super.onTransitionStart(); 26149e6a6cd81f3a1117b306323064c53230a7f01adDake Gu if (!mHeadersEnabled) { 26249e6a6cd81f3a1117b306323064c53230a7f01adDake Gu // When enabling headers fragment, the RowHeaderView gets a focus but 26349e6a6cd81f3a1117b306323064c53230a7f01adDake Gu // isShown() is still false because its parent is INVSIBILE, accessibility 26449e6a6cd81f3a1117b306323064c53230a7f01adDake Gu // event is not sent. 26549e6a6cd81f3a1117b306323064c53230a7f01adDake Gu // Workaround is: prevent focus to a child view during transition and put 26649e6a6cd81f3a1117b306323064c53230a7f01adDake Gu // focus on it after transition is done. 26749e6a6cd81f3a1117b306323064c53230a7f01adDake Gu final VerticalGridView listView = getVerticalGridView(); 26849e6a6cd81f3a1117b306323064c53230a7f01adDake Gu if (listView != null) { 26949e6a6cd81f3a1117b306323064c53230a7f01adDake Gu listView.setDescendantFocusability(ViewGroup.FOCUS_BEFORE_DESCENDANTS); 27049e6a6cd81f3a1117b306323064c53230a7f01adDake Gu if (listView.hasFocus()) { 27149e6a6cd81f3a1117b306323064c53230a7f01adDake Gu listView.requestFocus(); 27249e6a6cd81f3a1117b306323064c53230a7f01adDake Gu } 27349e6a6cd81f3a1117b306323064c53230a7f01adDake Gu } 27449e6a6cd81f3a1117b306323064c53230a7f01adDake Gu } 27549e6a6cd81f3a1117b306323064c53230a7f01adDake Gu } 27649e6a6cd81f3a1117b306323064c53230a7f01adDake Gu 27749e6a6cd81f3a1117b306323064c53230a7f01adDake Gu @Override 27849e6a6cd81f3a1117b306323064c53230a7f01adDake Gu void onTransitionEnd() { 27949e6a6cd81f3a1117b306323064c53230a7f01adDake Gu if (mHeadersEnabled) { 28049e6a6cd81f3a1117b306323064c53230a7f01adDake Gu final VerticalGridView listView = getVerticalGridView(); 28149e6a6cd81f3a1117b306323064c53230a7f01adDake Gu if (listView != null) { 28249e6a6cd81f3a1117b306323064c53230a7f01adDake Gu listView.setDescendantFocusability(ViewGroup.FOCUS_AFTER_DESCENDANTS); 28349e6a6cd81f3a1117b306323064c53230a7f01adDake Gu if (listView.hasFocus()) { 28449e6a6cd81f3a1117b306323064c53230a7f01adDake Gu listView.requestFocus(); 28549e6a6cd81f3a1117b306323064c53230a7f01adDake Gu } 28649e6a6cd81f3a1117b306323064c53230a7f01adDake Gu } 28749e6a6cd81f3a1117b306323064c53230a7f01adDake Gu } 28849e6a6cd81f3a1117b306323064c53230a7f01adDake Gu super.onTransitionEnd(); 28949e6a6cd81f3a1117b306323064c53230a7f01adDake Gu } 29055c9ee4b612ffc7b4632b1e4b7b7ab4900cd47c7Craig Stout} 291