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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.example.android.leanback;
     18 
     19 import android.content.Context;
     20 import android.os.Build;
     21 import android.os.Bundle;
     22 import android.util.Log;
     23 
     24 import androidx.leanback.app.PlaybackFragmentGlueHost;
     25 import androidx.leanback.widget.Action;
     26 import androidx.leanback.widget.ArrayObjectAdapter;
     27 import androidx.leanback.widget.ClassPresenterSelector;
     28 import androidx.leanback.widget.HeaderItem;
     29 import androidx.leanback.widget.ListRow;
     30 import androidx.leanback.widget.ListRowPresenter;
     31 import androidx.leanback.widget.SparseArrayObjectAdapter;
     32 
     33 /**
     34  * Example of PlaybackFragment working with a PlaybackControlGlue.
     35  */
     36 public class PlaybackFragment
     37         extends androidx.leanback.app.PlaybackFragment
     38         implements PlaybackActivity.PictureInPictureListener {
     39     private static final String TAG = "leanback.PlaybackControlsFragment";
     40 
     41     /**
     42      * Change this to choose a different overlay background.
     43      */
     44     private static final int BACKGROUND_TYPE = PlaybackFragment.BG_LIGHT;
     45 
     46     /**
     47      * Change the number of related content rows.
     48      */
     49     private static final int RELATED_CONTENT_ROWS = 3;
     50 
     51     /**
     52      * Change this to select hidden
     53      */
     54     private static final boolean SECONDARY_HIDDEN = false;
     55 
     56     private static final int ROW_CONTROLS = 0;
     57 
     58     private PlaybackControlGlue mGlue;
     59 
     60     @Override
     61     public SparseArrayObjectAdapter getAdapter() {
     62         return (SparseArrayObjectAdapter) super.getAdapter();
     63     }
     64 
     65     @Override
     66     public void onCreate(Bundle savedInstanceState) {
     67         Log.i(TAG, "onCreate");
     68         super.onCreate(savedInstanceState);
     69 
     70         setBackgroundType(BACKGROUND_TYPE);
     71 
     72         createComponents(getActivity());
     73     }
     74 
     75     private void createComponents(Context context) {
     76         mGlue = new PlaybackControlGlue(context) {
     77             @Override
     78             public int getUpdatePeriod() {
     79                 long totalTime = getControlsRow().getDuration();
     80                 if (getView() == null || getView().getWidth() == 0 || totalTime <= 0) {
     81                     return 1000;
     82                 }
     83                 return 16;
     84             }
     85 
     86             @Override
     87             public void onActionClicked(Action action) {
     88                 if (action.getId() == R.id.lb_control_picture_in_picture) {
     89                     if (Build.VERSION.SDK_INT >= 24) {
     90                         getActivity().enterPictureInPictureMode();
     91                     }
     92                     return;
     93                 }
     94                 super.onActionClicked(action);
     95             }
     96 
     97             @Override
     98             protected void onCreateControlsRowAndPresenter() {
     99                 super.onCreateControlsRowAndPresenter();
    100                 getControlsRowPresenter().setSecondaryActionsHidden(SECONDARY_HIDDEN);
    101             }
    102         };
    103 
    104         mGlue.setHost(new PlaybackFragmentGlueHost(this));
    105         ClassPresenterSelector classPresenterSelector = new ClassPresenterSelector();
    106         classPresenterSelector.addClassPresenter(ListRow.class, new ListRowPresenter());
    107 
    108         setAdapter(new SparseArrayObjectAdapter(classPresenterSelector));
    109 
    110         // Add related content rows
    111         for (int i = 0; i < RELATED_CONTENT_ROWS; ++i) {
    112             ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(new StringPresenter());
    113             listRowAdapter.add("Some related content");
    114             listRowAdapter.add("Other related content");
    115             HeaderItem header = new HeaderItem(i, "Row " + i);
    116             getAdapter().set(ROW_CONTROLS + 1 + i, new ListRow(header, listRowAdapter));
    117         }
    118     }
    119 
    120     @Override
    121     public void onStart() {
    122         super.onStart();
    123         ((PlaybackActivity) getActivity()).registerPictureInPictureListener(this);
    124     }
    125 
    126     @Override
    127     public void onStop() {
    128         ((PlaybackActivity) getActivity()).unregisterPictureInPictureListener(this);
    129         super.onStop();
    130     }
    131 
    132     @Override
    133     public void onPictureInPictureModeChanged(boolean isInPictureInPictureMode) {
    134         if (isInPictureInPictureMode) {
    135             // Hide the controls in picture-in-picture mode.
    136             setFadingEnabled(true);
    137             fadeOut();
    138         } else {
    139             setFadingEnabled(mGlue.isPlaying());
    140         }
    141     }
    142 }
    143