ControlBarPresenter.java revision aa67105babce5fb14e1f39b57d4c84ce634afa62
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 /** 517ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * A ViewHolder for an actions bar. 527ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout */ 537ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout class ViewHolder extends Presenter.ViewHolder { 547ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout ObjectAdapter mAdapter; 557ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout Presenter mPresenter; 56aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout ControlBar mControlBar; 577ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout SparseArray<Presenter.ViewHolder> mViewHolders = 587ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout new SparseArray<Presenter.ViewHolder>(); 597ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout ObjectAdapter.DataObserver mDataObserver; 607ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 617ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout /** 627ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * Constructor for the ViewHolder. 637ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout */ 647ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout ViewHolder(View rootView) { 657ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout super(rootView); 66aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout mControlBar = (ControlBar) rootView.findViewById(R.id.control_bar); 677ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout if (mControlBar == null) { 687ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout throw new IllegalStateException("Couldn't find control_bar"); 697ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 704cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout mControlBar.setOnChildFocusedListener(new ControlBar.OnChildFocusedListener() { 714cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout @Override 724cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout public void onChildFocusedListener(View child, View focused) { 734cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout if (mOnItemViewSelectedListener == null) { 744cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout return; 754cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout } 764cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout for (int position = 0; position < mViewHolders.size(); position++) { 774cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout if (mViewHolders.get(position).view == child) { 784cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout mOnItemViewSelectedListener.onItemSelected( 79aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout mViewHolders.get(position), getDisplayedAdapter().get(position), 804cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout null, null); 814cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout break; 824cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout } 834cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout } 844cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout } 854cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout }); 867ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout mDataObserver = new ObjectAdapter.DataObserver() { 877ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout @Override 887ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout public void onChanged() { 89aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout if (mAdapter == getDisplayedAdapter()) { 90aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout showControls(mPresenter); 91aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout } 927ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 937ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout @Override 947ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout public void onItemRangeChanged(int positionStart, int itemCount) { 95aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout if (mAdapter == getDisplayedAdapter()) { 96aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout for (int i = 0; i < itemCount; i++) { 97aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout bindControlToAction(positionStart + i, mPresenter); 98aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout } 997ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1007ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1017ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout }; 1027ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1037ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 104aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout int getChildMarginFromCenter(Context context, int numControls) { 105aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout // Includes margin between icons plus two times half the icon width. 106aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout return getChildMarginDefault(context) + getControlIconWidth(context); 107aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout } 108aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout 109aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout void showControls(Presenter presenter) { 1107ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout View focusedChild = mControlBar.getFocusedChild(); 111aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout ObjectAdapter adapter = getDisplayedAdapter(); 1127ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout mControlBar.removeAllViews(); 1137ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout for (int position = 0; position < adapter.size() && position < MAX_CONTROLS; 1147ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout position++) { 1157ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout bindControlToAction(position, adapter, presenter); 1167ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1177ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout if (focusedChild != null) { 1187ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout focusedChild.requestFocus(); 1197ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 120aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout mControlBar.setChildMarginFromCenter( 121aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout getChildMarginFromCenter(mControlBar.getContext(), adapter.size())); 1227ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1237ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 124aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout void bindControlToAction(int position, Presenter presenter) { 125aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout bindControlToAction(position, getDisplayedAdapter(), presenter); 126aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout } 127aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout 128aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout private void bindControlToAction(final int position, 129aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout ObjectAdapter adapter, Presenter presenter) { 1307ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout Presenter.ViewHolder vh = mViewHolders.get(position); 1317ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout Object item = adapter.get(position); 1327ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout if (vh == null) { 1337ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout vh = presenter.onCreateViewHolder(mControlBar); 1347ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout mViewHolders.put(position, vh); 1357ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout presenter.setOnClickListener(vh, new View.OnClickListener() { 1367ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout @Override 1377ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout public void onClick(View v) { 138aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout Object item = getDisplayedAdapter().get(position); 1397ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout if (mOnActionClickedListener != null && item instanceof Action) { 1407ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout mOnActionClickedListener.onActionClicked((Action) item); 1417ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1427ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1437ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout }); 1447ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1457ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout if (vh.view.getParent() == null) { 1467ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout mControlBar.addView(vh.view); 1477ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1487ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout presenter.onBindViewHolder(vh, item); 1497ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1507ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 151aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout /** 152aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout * Returns the adapter currently bound to the displayed controls. 153aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout * May be overridden in a subclass. 154aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout */ 155aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout ObjectAdapter getDisplayedAdapter() { 1567ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout return mAdapter; 1577ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1587ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1597ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 1607ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout private OnActionClickedListener mOnActionClickedListener; 1614cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout private OnItemViewSelectedListener mOnItemViewSelectedListener; 1627ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout private int mLayoutResourceId; 163aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout private static int sChildMarginDefault; 164aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout private static int sControlIconWidth; 1657ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 1667ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout /** 1677ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * Constructor for a ControlBarPresenter. 1687ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * 1697ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * @param layoutResourceId The resource id of the layout for this presenter. 1707ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout */ 1717ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout public ControlBarPresenter(int layoutResourceId) { 1727ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout mLayoutResourceId = layoutResourceId; 1737ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1747ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 1757ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout /** 1767ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * Returns the layout resource id. 1777ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout */ 1787ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout public int getLayoutResourceId() { 1797ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout return mLayoutResourceId; 1807ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1817ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 1827ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout /** 1837ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * Sets the listener for {@link Action} click events. 1847ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout */ 1857ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout public void setOnActionClickedListener(OnActionClickedListener listener) { 1867ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout mOnActionClickedListener = listener; 1877ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1887ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 1897ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout /** 1907ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout * Gets the listener for {@link Action} click events. 1917ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout */ 1927ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout public OnActionClickedListener getOnActionClickedListener() { 1937ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout return mOnActionClickedListener; 1947ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 1957ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 1964cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout /** 1974cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout * Sets the listener for item selection. When this listener is invoked, 1984cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout * the rowViewHolder and row are always null. 1994cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout */ 2004cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout public void setOnItemViewSelectedListener(OnItemViewSelectedListener listener) { 2014cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout mOnItemViewSelectedListener = listener; 2024cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout } 2034cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout 2044cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout /** 2054cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout * Gets the listener for item selection. 2064cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout */ 2074cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout public OnItemViewSelectedListener getOnItemViewSelectedListener() { 2084cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout return mOnItemViewSelectedListener; 2094cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout } 2104cc255c1c9ce5f3a718970b6e0be2c3ae6abf9edCraig Stout 2117ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout @Override 2127ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout public Presenter.ViewHolder onCreateViewHolder(ViewGroup parent) { 2137ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout View v = LayoutInflater.from(parent.getContext()) 2147ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout .inflate(getLayoutResourceId(), parent, false); 2157ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout return new ViewHolder(v); 2167ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 2177ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 2187ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout @Override 2197ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout public void onBindViewHolder(Presenter.ViewHolder holder, Object item) { 2207ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout ViewHolder vh = (ViewHolder) holder; 2217ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout BoundData data = (BoundData) item; 2227ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout if (vh.mAdapter != data.adapter) { 2237ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout vh.mAdapter = data.adapter; 2247ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout vh.mAdapter.registerObserver(vh.mDataObserver); 2257ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 2267ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout vh.mPresenter = data.presenter; 227aa67105babce5fb14e1f39b57d4c84ce634afa62Craig Stout vh.showControls(vh.mPresenter); 2287ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 2297ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout 2307ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout @Override 2317ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout public void onUnbindViewHolder(Presenter.ViewHolder holder) { 2327ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout ViewHolder vh = (ViewHolder) holder; 2337ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout vh.mAdapter.unregisterObserver(vh.mDataObserver); 2347ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout vh.mAdapter = null; 2357ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout } 236aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout 237aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout int getChildMarginDefault(Context context) { 238aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout if (sChildMarginDefault == 0) { 239aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout sChildMarginDefault = context.getResources().getDimensionPixelSize( 240aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout R.dimen.lb_playback_controls_child_margin_default); 241aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout } 242aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout return sChildMarginDefault; 243aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout } 244aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout 245aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout int getControlIconWidth(Context context) { 246aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout if (sControlIconWidth == 0) { 247aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout sControlIconWidth = context.getResources().getDimensionPixelSize( 248aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout R.dimen.lb_control_icon_width); 249aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout } 250aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout return sControlIconWidth; 251aa93f6777233b789feb14d95d900b158d0ac4841Craig Stout } 2527ab1edf2b49f3cdcb9db7a1c60d0dc1e17a9aef7Craig Stout} 253