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
getAdapter()61     public SparseArrayObjectAdapter getAdapter() {
62         return (SparseArrayObjectAdapter) super.getAdapter();
63     }
64 
65     @Override
onCreate(Bundle savedInstanceState)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 
createComponents(Context context)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
onStart()121     public void onStart() {
122         super.onStart();
123         ((PlaybackActivity) getActivity()).registerPictureInPictureListener(this);
124     }
125 
126     @Override
onStop()127     public void onStop() {
128         ((PlaybackActivity) getActivity()).unregisterPictureInPictureListener(this);
129         super.onStop();
130     }
131 
132     @Override
onPictureInPictureModeChanged(boolean isInPictureInPictureMode)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