17ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout/* 27ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * Copyright (C) 2014 The Android Open Source Project 37ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * 47ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 57ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * in compliance with the License. You may obtain a copy of the License at 67ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * 77ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * http://www.apache.org/licenses/LICENSE-2.0 87ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * 97ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * Unless required by applicable law or agreed to in writing, software distributed under the License 107ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 117ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * or implied. See the License for the specific language governing permissions and limitations under 127ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * the License. 137ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout */ 147ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stoutpackage android.support.v17.leanback.widget; 157ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 16aa93f6777233b789feb14d95d900b158d0ac4841Craig Stoutimport android.content.Context; 177ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stoutimport android.support.v17.leanback.R; 187ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stoutimport android.util.SparseArray; 197ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stoutimport android.view.LayoutInflater; 207ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stoutimport android.view.View; 217ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stoutimport android.view.ViewGroup; 227ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stoutimport android.widget.LinearLayout; 237ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 247ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout/** 257ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * A presenter that assumes a LinearLayout container for a series 267ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * of control buttons backed by objects of type {@link Action}. 277ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * 287ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * Different layouts may be passed to the presenter constructor. 297ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * The layout must contain a view with id control_bar. 307ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout */ 317ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stoutclass ControlBarPresenter extends Presenter { 327ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 337ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout private static final int MAX_CONTROLS = 7; 347ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 357ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout /** 367ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * The data type expected by this presenter. 377ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout */ 387ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout static class BoundData { 397ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout /** 407ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * Adapter containing objects of type {@link Action}. 417ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout */ 427ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout ObjectAdapter adapter; 437ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 447ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout /** 457ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * The presenter to be used for the adapter objects. 467ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout */ 477ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout Presenter presenter; 487ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 497ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 507ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout /** 51cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout * Listener for control selected events. 527ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout */ 53cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout interface OnControlSelectedListener { 54cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout void onControlSelected(Presenter.ViewHolder controlViewHolder, Object item, 55cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout BoundData data); 56cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout } 57cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout 58cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout /** 59cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout * Listener for control clicked events. 60cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout */ 61cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout interface OnControlClickedListener { 62cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout void onControlClicked(Presenter.ViewHolder controlViewHolder, Object item, 63cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout BoundData data); 64cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout } 65cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout 667ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout class ViewHolder extends Presenter.ViewHolder { 677ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout ObjectAdapter mAdapter; 68cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout BoundData mData; 697ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout Presenter mPresenter; 70aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout ControlBar mControlBar; 717ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout SparseArray<Presenter.ViewHolder> mViewHolders = 727ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout new SparseArray<Presenter.ViewHolder>(); 737ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout ObjectAdapter.DataObserver mDataObserver; 747ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 757ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout /** 767ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * Constructor for the ViewHolder. 777ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout */ 787ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout ViewHolder(View rootView) { 797ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout super(rootView); 80aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout mControlBar = (ControlBar) rootView.findViewById(R.id.control_bar); 817ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout if (mControlBar == null) { 827ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout throw new IllegalStateException("Couldn't find control_bar"); 837ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 844cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout mControlBar.setOnChildFocusedListener(new ControlBar.OnChildFocusedListener() { 854cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout @Override 864cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout public void onChildFocusedListener(View child, View focused) { 87cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout if (mOnControlSelectedListener == null) { 884cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout return; 894cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout } 904cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout for (int position = 0; position < mViewHolders.size(); position++) { 914cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout if (mViewHolders.get(position).view == child) { 92cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout mOnControlSelectedListener.onControlSelected( 93cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout mViewHolders.get(position), 94cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout getDisplayedAdapter().get(position), mData); 954cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout break; 964cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout } 974cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout } 984cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout } 994cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout }); 1007ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout mDataObserver = new ObjectAdapter.DataObserver() { 1017ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout @Override 1027ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout public void onChanged() { 103aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout if (mAdapter == getDisplayedAdapter()) { 104aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout showControls(mPresenter); 105aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout } 1067ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1077ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout @Override 1087ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout public void onItemRangeChanged(int positionStart, int itemCount) { 109aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout if (mAdapter == getDisplayedAdapter()) { 110aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout for (int i = 0; i < itemCount; i++) { 111aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout bindControlToAction(positionStart + i, mPresenter); 112aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout } 1137ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1147ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1157ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout }; 1167ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1177ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 118aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout int getChildMarginFromCenter(Context context, int numControls) { 119aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout // Includes margin between icons plus two times half the icon width. 120aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout return getChildMarginDefault(context) + getControlIconWidth(context); 121aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout } 122aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout 123aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout void showControls(Presenter presenter) { 124aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout ObjectAdapter adapter = getDisplayedAdapter(); 1255dac2c723e1d50da356170a6f372dcbab1a7d83cCraig Stout int adapterSize = adapter == null ? 0 : adapter.size(); 126cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout // Shrink the number of attached views 127cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout View focusedView = mControlBar.getFocusedChild(); 1285dac2c723e1d50da356170a6f372dcbab1a7d83cCraig Stout if (focusedView != null && adapterSize > 0 && 1295dac2c723e1d50da356170a6f372dcbab1a7d83cCraig Stout mControlBar.indexOfChild(focusedView) >= adapterSize) { 130cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout mControlBar.getChildAt(adapter.size() - 1).requestFocus(); 131cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout } 1325dac2c723e1d50da356170a6f372dcbab1a7d83cCraig Stout for (int i = mControlBar.getChildCount() - 1; i >= adapterSize; i--) { 133cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout mControlBar.removeViewAt(i); 134cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout } 1355dac2c723e1d50da356170a6f372dcbab1a7d83cCraig Stout for (int position = 0; position < adapterSize && position < MAX_CONTROLS; 1367ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout position++) { 1377ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout bindControlToAction(position, adapter, presenter); 1387ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 139aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout mControlBar.setChildMarginFromCenter( 1405dac2c723e1d50da356170a6f372dcbab1a7d83cCraig Stout getChildMarginFromCenter(mControlBar.getContext(), adapterSize)); 1417ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1427ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 143aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout void bindControlToAction(int position, Presenter presenter) { 144aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout bindControlToAction(position, getDisplayedAdapter(), presenter); 145aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout } 146aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout 147aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout private void bindControlToAction(final int position, 148aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout ObjectAdapter adapter, Presenter presenter) { 1497ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout Presenter.ViewHolder vh = mViewHolders.get(position); 1507ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout Object item = adapter.get(position); 1517ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout if (vh == null) { 1527ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout vh = presenter.onCreateViewHolder(mControlBar); 1537ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout mViewHolders.put(position, vh); 154cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout 155cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout final Presenter.ViewHolder itemViewHolder = vh; 1567ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout presenter.setOnClickListener(vh, new View.OnClickListener() { 1577ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout @Override 1587ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout public void onClick(View v) { 159aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout Object item = getDisplayedAdapter().get(position); 160cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout if (mOnControlClickedListener != null) { 161cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout mOnControlClickedListener.onControlClicked(itemViewHolder, item, 162cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout mData); 1637ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1647ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1657ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout }); 1667ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1677ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout if (vh.view.getParent() == null) { 1687ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout mControlBar.addView(vh.view); 1697ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1707ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout presenter.onBindViewHolder(vh, item); 1717ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1727ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 173aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout /** 174aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout * Returns the adapter currently bound to the displayed controls. 175aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout * May be overridden in a subclass. 176aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout */ 177aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout ObjectAdapter getDisplayedAdapter() { 1787ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout return mAdapter; 1797ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1807ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1817ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 182cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout private OnControlClickedListener mOnControlClickedListener; 183cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout private OnControlSelectedListener mOnControlSelectedListener; 1847ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout private int mLayoutResourceId; 185aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout private static int sChildMarginDefault; 186aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout private static int sControlIconWidth; 1877ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 1887ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout /** 1897ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * Constructor for a ControlBarPresenter. 1907ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * 1917ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * @param layoutResourceId The resource id of the layout for this presenter. 1927ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout */ 1937ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout public ControlBarPresenter(int layoutResourceId) { 1947ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout mLayoutResourceId = layoutResourceId; 1957ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1967ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 1977ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout /** 1987ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * Returns the layout resource id. 1997ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout */ 2007ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout public int getLayoutResourceId() { 2017ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout return mLayoutResourceId; 2027ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 2037ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 2047ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout /** 205cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout * Sets the listener for control clicked events. 2067ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout */ 207cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout public void setOnControlClickedListener(OnControlClickedListener listener) { 208cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout mOnControlClickedListener = listener; 2097ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 2107ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 2117ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout /** 212cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout * Returns the listener for control clicked events. 2137ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout */ 214cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout public OnControlClickedListener getOnItemViewClickedListener() { 215cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout return mOnControlClickedListener; 2167ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 2177ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 2184cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout /** 219cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout * Sets the listener for control selection. 2204cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout */ 221cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout public void setOnControlSelectedListener(OnControlSelectedListener listener) { 222cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout mOnControlSelectedListener = listener; 2234cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout } 2244cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout 2254cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout /** 226cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout * Returns the listener for control selection. 2274cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout */ 228cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout public OnControlSelectedListener getOnItemControlListener() { 229cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout return mOnControlSelectedListener; 2304cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout } 2314cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout 2327ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout @Override 2337ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout public Presenter.ViewHolder onCreateViewHolder(ViewGroup parent) { 2347ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout View v = LayoutInflater.from(parent.getContext()) 2357ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout .inflate(getLayoutResourceId(), parent, false); 2367ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout return new ViewHolder(v); 2377ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 2387ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 2397ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout @Override 2407ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout public void onBindViewHolder(Presenter.ViewHolder holder, Object item) { 2417ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout ViewHolder vh = (ViewHolder) holder; 2427ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout BoundData data = (BoundData) item; 2437ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout if (vh.mAdapter != data.adapter) { 2447ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout vh.mAdapter = data.adapter; 2455dac2c723e1d50da356170a6f372dcbab1a7d83cCraig Stout if (vh.mAdapter != null) { 2465dac2c723e1d50da356170a6f372dcbab1a7d83cCraig Stout vh.mAdapter.registerObserver(vh.mDataObserver); 2475dac2c723e1d50da356170a6f372dcbab1a7d83cCraig Stout } 2487ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 2497ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout vh.mPresenter = data.presenter; 250cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout vh.mData = data; 251aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout vh.showControls(vh.mPresenter); 2527ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 2537ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 2547ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout @Override 2557ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout public void onUnbindViewHolder(Presenter.ViewHolder holder) { 2567ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout ViewHolder vh = (ViewHolder) holder; 2575dac2c723e1d50da356170a6f372dcbab1a7d83cCraig Stout if (vh.mAdapter != null) { 2585dac2c723e1d50da356170a6f372dcbab1a7d83cCraig Stout vh.mAdapter.unregisterObserver(vh.mDataObserver); 2595dac2c723e1d50da356170a6f372dcbab1a7d83cCraig Stout vh.mAdapter = null; 2605dac2c723e1d50da356170a6f372dcbab1a7d83cCraig Stout } 261cf992de2d34abb8228dc6cb39fffe97346823a37Craig Stout vh.mData = null; 2627ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 263aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout 264aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout int getChildMarginDefault(Context context) { 265aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout if (sChildMarginDefault == 0) { 266aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout sChildMarginDefault = context.getResources().getDimensionPixelSize( 267aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout R.dimen.lb_playback_controls_child_margin_default); 268aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout } 269aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout return sChildMarginDefault; 270aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout } 271aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout 272aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout int getControlIconWidth(Context context) { 273aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout if (sControlIconWidth == 0) { 274aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout sControlIconWidth = context.getResources().getDimensionPixelSize( 275aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout R.dimen.lb_control_icon_width); 276aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout } 277aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout return sControlIconWidth; 278aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout } 2797ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout} 280