1 /* 2 * Copyright (C) 2018 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 package com.android.tv.dvr; 17 18 import android.content.Context; 19 import android.media.PlaybackParams; 20 import android.media.session.PlaybackState; 21 import android.media.tv.TvTrackInfo; 22 import android.media.tv.TvView; 23 import android.net.Uri; 24 import android.support.annotation.Nullable; 25 import com.android.tv.InputSessionManager; 26 import com.android.tv.InputSessionManager.TvViewSession; 27 import com.android.tv.TvSingletons; 28 import com.android.tv.common.compat.TvViewCompat.TvInputCallbackCompat; 29 import com.android.tv.dvr.ui.playback.DvrPlayer; 30 import com.android.tv.ui.AppLayerTvView; 31 import com.android.tv.ui.api.TunableTvViewPlayingApi; 32 import java.util.List; 33 34 /** 35 * A {@link TvView} wrapper to handle events and TvView session. 36 */ 37 public class DvrTvView implements TunableTvViewPlayingApi { 38 39 private final AppLayerTvView mTvView; 40 private DvrPlayer mDvrPlayer; 41 private String mInputId; 42 private Uri mRecordedProgramUri; 43 private TvInputCallbackCompat mTvInputCallbackCompat; 44 private InputSessionManager mInputSessionManager; 45 private TvViewSession mSession; 46 DvrTvView(Context context, AppLayerTvView tvView, DvrPlayer player)47 public DvrTvView(Context context, AppLayerTvView tvView, DvrPlayer player) { 48 mTvView = tvView; 49 mDvrPlayer = player; 50 mInputSessionManager = TvSingletons.getSingletons(context).getInputSessionManager(); 51 } 52 53 @Override isPlaying()54 public boolean isPlaying() { 55 return mDvrPlayer.getPlaybackState() == PlaybackState.STATE_PLAYING; 56 } 57 58 @Override setStreamVolume(float volume)59 public void setStreamVolume(float volume) { 60 mTvView.setStreamVolume(volume); 61 } 62 63 @Override setTimeShiftListener(TimeShiftListener listener)64 public void setTimeShiftListener(TimeShiftListener listener) { 65 // TimeShiftListener is never called from DvrTvView because TimeShift is always available 66 // and onRecordStartTimeChanged is not called during playback. 67 } 68 69 @Override isTimeShiftAvailable()70 public boolean isTimeShiftAvailable() { 71 return true; 72 } 73 74 @Override timeShiftPlay()75 public void timeShiftPlay() { 76 if (mInputId != null && mRecordedProgramUri != null) { 77 mTvView.timeShiftPlay(mInputId, mRecordedProgramUri); 78 } 79 } 80 timeShiftPlay(String inputId, Uri recordedProgramUri)81 public void timeShiftPlay(String inputId, Uri recordedProgramUri) { 82 mInputId = inputId; 83 mRecordedProgramUri = recordedProgramUri; 84 mSession.timeShiftPlay(inputId, recordedProgramUri); 85 } 86 87 @Override timeShiftPause()88 public void timeShiftPause() { 89 mTvView.timeShiftPause(); 90 } 91 92 @Override timeShiftRewind(int speed)93 public void timeShiftRewind(int speed) { 94 PlaybackParams params = new PlaybackParams(); 95 params.setSpeed(speed * -1); 96 mTvView.timeShiftSetPlaybackParams(params); 97 } 98 99 @Override timeShiftFastForward(int speed)100 public void timeShiftFastForward(int speed) { 101 PlaybackParams params = new PlaybackParams(); 102 params.setSpeed(speed); 103 mTvView.timeShiftSetPlaybackParams(params); 104 } 105 106 @Override timeShiftSeekTo(long timeMs)107 public void timeShiftSeekTo(long timeMs) { 108 mTvView.timeShiftSeekTo(timeMs); 109 } 110 111 @Override timeShiftGetCurrentPositionMs()112 public long timeShiftGetCurrentPositionMs() { 113 return mDvrPlayer.getPlaybackPosition(); 114 } 115 setCaptionEnabled(boolean enabled)116 public void setCaptionEnabled(boolean enabled) { 117 mTvView.setCaptionEnabled(enabled); 118 } 119 timeShiftResume()120 public void timeShiftResume() { 121 mTvView.timeShiftResume(); 122 } 123 reset()124 public void reset() { 125 mSession.reset(); 126 } 127 getTracks(int type)128 public List<TvTrackInfo> getTracks(int type) { 129 return mTvView.getTracks(type); 130 } 131 selectTrack(int type, String trackId)132 public void selectTrack(int type, String trackId) { 133 mTvView.selectTrack(type, trackId); 134 } 135 timeShiftSetPlaybackParams(PlaybackParams params)136 public void timeShiftSetPlaybackParams(PlaybackParams params) { 137 mTvView.timeShiftSetPlaybackParams(params); 138 } 139 setTimeShiftPositionCallback(@ullable TvView.TimeShiftPositionCallback callback)140 public void setTimeShiftPositionCallback(@Nullable TvView.TimeShiftPositionCallback callback) { 141 mTvView.setTimeShiftPositionCallback(callback); 142 } 143 setCallback(@ullable TvInputCallbackCompat callback)144 public void setCallback(@Nullable TvInputCallbackCompat callback) { 145 mTvInputCallbackCompat = callback; 146 mTvView.setCallback(callback); 147 } 148 init()149 public void init() { 150 mSession = mInputSessionManager.createTvViewSession(mTvView, this, mTvInputCallbackCompat); 151 } 152 release()153 public void release() { 154 mInputSessionManager.releaseTvViewSession(mSession); 155 mInputSessionManager = null; 156 mDvrPlayer = null; 157 } 158 } 159