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 
getAdapter()90     public SparseArrayObjectAdapter getAdapter() {
91         return (SparseArrayObjectAdapter) super.getAdapter();
92     }
93 
94     @Override
onCreate(Bundle savedInstanceState)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 
createComponents(Context context)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
onStart()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
onStop()178     public void onStop() {
179         mGlue.enableProgressUpdating(false);
180         ((PlaybackOverlayActivity) getActivity()).unregisterPictureInPictureListener(this);
181         super.onStop();
182     }
183 
184     @Override
onPictureInPictureModeChanged(boolean isInPictureInPictureMode)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