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      1 /*
      2  * Copyright (C) 2014 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
      5  * in compliance with the License. You may obtain a copy of the License at
      6  *
      7  * http://www.apache.org/licenses/LICENSE-2.0
      8  *
      9  * Unless required by applicable law or agreed to in writing, software distributed under the License
     10  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
     11  * or implied. See the License for the specific language governing permissions and limitations under
     12  * the License.
     13  */
     14 package com.example.android.leanback;
     15 
     16 import android.content.Context;
     17 import android.graphics.drawable.Drawable;
     18 import android.os.Bundle;
     19 import android.os.Handler;
     20 import android.support.v17.leanback.app.PlaybackControlGlue;
     21 import android.support.v17.leanback.widget.Action;
     22 import android.support.v17.leanback.widget.ArrayObjectAdapter;
     23 import android.support.v17.leanback.widget.PlaybackControlsRow;
     24 import android.support.v17.leanback.widget.PlaybackControlsRow.RepeatAction;
     25 import android.support.v17.leanback.widget.PlaybackControlsRow.ThumbsUpAction;
     26 import android.support.v17.leanback.widget.PlaybackControlsRow.ThumbsDownAction;
     27 import android.support.v17.leanback.widget.PlaybackControlsRowPresenter;
     28 import android.support.v17.leanback.widget.HeaderItem;
     29 import android.support.v17.leanback.widget.PresenterSelector;
     30 import android.support.v17.leanback.widget.Row;
     31 import android.support.v17.leanback.widget.ListRow;
     32 import android.support.v17.leanback.widget.Presenter;
     33 import android.support.v17.leanback.widget.RowPresenter;
     34 import android.support.v17.leanback.widget.ListRowPresenter;
     35 import android.support.v17.leanback.widget.OnItemViewSelectedListener;
     36 import android.support.v17.leanback.widget.OnItemViewClickedListener;
     37 import android.support.v17.leanback.widget.ControlButtonPresenterSelector;
     38 import android.support.v17.leanback.widget.SparseArrayObjectAdapter;
     39 import android.util.Log;
     40 import android.view.LayoutInflater;
     41 import android.view.View;
     42 import android.view.ViewGroup;
     43 import android.widget.Toast;
     44 
     45 public class PlaybackOverlayFragment
     46         extends android.support.v17.leanback.app.PlaybackOverlayFragment
     47         implements PlaybackOverlayActivity.PictureInPictureListener {
     48     private static final String TAG = "leanback.PlaybackControlsFragment";
     49 
     50     /**
     51      * Change this to choose a different overlay background.
     52      */
     53     private static final int BACKGROUND_TYPE = PlaybackOverlayFragment.BG_LIGHT;
     54 
     55     /**
     56      * Change the number of related content rows.
     57      */
     58     private static final int RELATED_CONTENT_ROWS = 3;
     59 
     60     /**
     61      * Change this to select hidden
     62      */
     63     private static final boolean SECONDARY_HIDDEN = false;
     64 
     65     private static final int ROW_CONTROLS = 0;
     66 
     67     private PlaybackControlHelper mGlue;
     68     private PlaybackControlsRowPresenter mPlaybackControlsRowPresenter;
     69     private ListRowPresenter mListRowPresenter;
     70 
     71     private OnItemViewClickedListener mOnItemViewClickedListener = new OnItemViewClickedListener() {
     72         @Override
     73         public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item,
     74                                   RowPresenter.ViewHolder rowViewHolder, Row row) {
     75             Log.i(TAG, "onItemClicked: " + item + " row " + row);
     76             if (item instanceof Action) {
     77                 mGlue.onActionClicked((Action) item);
     78             }
     79         }
     80     };
     81 
     82     private OnItemViewSelectedListener mOnItemViewSelectedListener = new OnItemViewSelectedListener() {
     83         @Override
     84         public void onItemSelected(Presenter.ViewHolder itemViewHolder, Object item,
     85                                    RowPresenter.ViewHolder rowViewHolder, Row row) {
     86             Log.i(TAG, "onItemSelected: " + item + " row " + row);
     87         }
     88     };
     89 
     90     public SparseArrayObjectAdapter getAdapter() {
     91         return (SparseArrayObjectAdapter) super.getAdapter();
     92     }
     93 
     94     @Override
     95     public void onCreate(Bundle savedInstanceState) {
     96         Log.i(TAG, "onCreate");
     97         super.onCreate(savedInstanceState);
     98 
     99         setBackgroundType(BACKGROUND_TYPE);
    100         setOnItemViewSelectedListener(mOnItemViewSelectedListener);
    101 
    102         createComponents(getActivity());
    103     }
    104 
    105     private void createComponents(Context context) {
    106         mGlue = new PlaybackControlHelper(context, this) {
    107             @Override
    108             public int getUpdatePeriod() {
    109                 int totalTime = getControlsRow().getTotalTime();
    110                 if (getView() == null || getView().getWidth() == 0 || totalTime <= 0) {
    111                     return 1000;
    112                 }
    113                 return Math.max(16, totalTime / getView().getWidth());
    114             }
    115 
    116             @Override
    117             protected void onRowChanged(PlaybackControlsRow row) {
    118                 if (getAdapter() == null) {
    119                     return;
    120                 }
    121                 int index = getAdapter().indexOf(row);
    122                 if (index >= 0) {
    123                     getAdapter().notifyArrayItemRangeChanged(index, 1);
    124                 }
    125             }
    126 
    127             @Override
    128             public void onActionClicked(Action action) {
    129                 if (action.getId() == R.id.lb_control_picture_in_picture) {
    130                     getActivity().enterPictureInPictureMode();
    131                     return;
    132                 }
    133                 super.onActionClicked(action);
    134             }
    135         };
    136 
    137         mGlue.setOnItemViewClickedListener(mOnItemViewClickedListener);
    138 
    139         mPlaybackControlsRowPresenter = mGlue.createControlsRowAndPresenter();
    140         mPlaybackControlsRowPresenter.setSecondaryActionsHidden(SECONDARY_HIDDEN);
    141         mListRowPresenter = new ListRowPresenter();
    142 
    143         setAdapter(new SparseArrayObjectAdapter(new PresenterSelector() {
    144             @Override
    145             public Presenter getPresenter(Object object) {
    146                 if (object instanceof PlaybackControlsRow) {
    147                     return mPlaybackControlsRowPresenter;
    148                 } else if (object instanceof ListRow) {
    149                     return mListRowPresenter;
    150                 }
    151                 throw new IllegalArgumentException("Unhandled object: " + object);
    152             }
    153         }));
    154 
    155         // Add the controls row
    156         getAdapter().set(ROW_CONTROLS, mGlue.getControlsRow());
    157 
    158         // Add related content rows
    159         for (int i = 0; i < RELATED_CONTENT_ROWS; ++i) {
    160             ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(new StringPresenter());
    161             listRowAdapter.add("Some related content");
    162             listRowAdapter.add("Other related content");
    163             HeaderItem header = new HeaderItem(i, "Row " + i);
    164             getAdapter().set(ROW_CONTROLS + 1 + i, new ListRow(header, listRowAdapter));
    165         }
    166 
    167     }
    168 
    169     @Override
    170     public void onStart() {
    171         super.onStart();
    172         mGlue.setFadingEnabled(true);
    173         mGlue.enableProgressUpdating(mGlue.hasValidMedia() && mGlue.isMediaPlaying());
    174         ((PlaybackOverlayActivity) getActivity()).registerPictureInPictureListener(this);
    175     }
    176 
    177     @Override
    178     public void onStop() {
    179         mGlue.enableProgressUpdating(false);
    180         ((PlaybackOverlayActivity) getActivity()).unregisterPictureInPictureListener(this);
    181         super.onStop();
    182     }
    183 
    184     @Override
    185     public void onPictureInPictureModeChanged(boolean isInPictureInPictureMode) {
    186         if (isInPictureInPictureMode) {
    187             // Hide the controls in picture-in-picture mode.
    188             setFadingEnabled(true);
    189             fadeOut();
    190         } else {
    191             setFadingEnabled(mGlue.isMediaPlaying());
    192         }
    193     }
    194 }
    195