1 /* 2 * Copyright (C) 2023 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.android.settings.connecteddevice.audiosharing.audiostreams; 18 19 import static com.android.settingslib.bluetooth.LocalBluetoothLeBroadcastAssistant.LocalBluetoothLeBroadcastSourceState.PAUSED; 20 import static com.android.settingslib.bluetooth.LocalBluetoothLeBroadcastAssistant.LocalBluetoothLeBroadcastSourceState.STREAMING; 21 import static com.android.settingslib.bluetooth.LocalBluetoothLeBroadcastAssistant.getLocalSourceState; 22 23 import android.app.settings.SettingsEnums; 24 import android.bluetooth.BluetoothDevice; 25 import android.bluetooth.BluetoothLeBroadcastAssistant; 26 import android.bluetooth.BluetoothLeBroadcastMetadata; 27 import android.bluetooth.BluetoothLeBroadcastReceiveState; 28 import android.content.Context; 29 import android.util.Log; 30 import android.view.View; 31 32 import androidx.annotation.NonNull; 33 import androidx.annotation.Nullable; 34 import androidx.annotation.VisibleForTesting; 35 import androidx.lifecycle.DefaultLifecycleObserver; 36 import androidx.lifecycle.LifecycleOwner; 37 import androidx.preference.PreferenceScreen; 38 39 import com.android.settings.R; 40 import com.android.settings.bluetooth.Utils; 41 import com.android.settings.core.BasePreferenceController; 42 import com.android.settings.overlay.FeatureFactory; 43 import com.android.settingslib.bluetooth.BluetoothUtils; 44 import com.android.settingslib.bluetooth.LocalBluetoothLeBroadcastAssistant; 45 import com.android.settingslib.core.instrumentation.MetricsFeatureProvider; 46 import com.android.settingslib.utils.ThreadUtils; 47 import com.android.settingslib.widget.ActionButtonsPreference; 48 49 import java.util.concurrent.Executor; 50 import java.util.concurrent.Executors; 51 52 public class AudioStreamButtonController extends BasePreferenceController 53 implements DefaultLifecycleObserver { 54 private static final String TAG = "AudioStreamButtonController"; 55 private static final String KEY = "audio_stream_button"; 56 private static final int SOURCE_ORIGIN_REPOSITORY = SourceOriginForLogging.REPOSITORY.ordinal(); 57 58 @VisibleForTesting 59 final BluetoothLeBroadcastAssistant.Callback mBroadcastAssistantCallback = 60 new AudioStreamsBroadcastAssistantCallback() { 61 @Override 62 public void onSourceRemoved(BluetoothDevice sink, int sourceId, int reason) { 63 super.onSourceRemoved(sink, sourceId, reason); 64 updateButton(); 65 } 66 67 @Override 68 public void onSourceRemoveFailed(BluetoothDevice sink, int sourceId, int reason) { 69 super.onSourceRemoveFailed(sink, sourceId, reason); 70 updateButton(); 71 mMetricsFeatureProvider.action( 72 mContext, SettingsEnums.ACTION_AUDIO_STREAM_LEAVE_FAILED); 73 } 74 75 @Override 76 public void onReceiveStateChanged( 77 BluetoothDevice sink, 78 int sourceId, 79 BluetoothLeBroadcastReceiveState state) { 80 super.onReceiveStateChanged(sink, sourceId, state); 81 var localSourceState = getLocalSourceState(state); 82 boolean shouldUpdateButton = mHysteresisModeFixAvailable 83 ? (localSourceState == PAUSED || localSourceState == STREAMING) 84 : localSourceState == STREAMING; 85 if (shouldUpdateButton) { 86 updateButton(); 87 // TODO(b/308368124): Verify if this log is too noisy. 88 mMetricsFeatureProvider.action( 89 mContext, 90 SettingsEnums.ACTION_AUDIO_STREAM_JOIN_SUCCEED, 91 SOURCE_ORIGIN_REPOSITORY); 92 } 93 } 94 95 @Override 96 public void onSourceAddFailed( 97 BluetoothDevice sink, BluetoothLeBroadcastMetadata source, int reason) { 98 super.onSourceAddFailed(sink, source, reason); 99 updateButton(); 100 mMetricsFeatureProvider.action( 101 mContext, 102 SettingsEnums.ACTION_AUDIO_STREAM_JOIN_FAILED_OTHER, 103 SOURCE_ORIGIN_REPOSITORY); 104 } 105 106 @Override 107 public void onSourceLost(int broadcastId) { 108 super.onSourceLost(broadcastId); 109 updateButton(); 110 } 111 }; 112 113 private AudioStreamsRepository mAudioStreamsRepository = AudioStreamsRepository.getInstance(); 114 private final Executor mExecutor; 115 private final AudioStreamsHelper mAudioStreamsHelper; 116 private final @Nullable LocalBluetoothLeBroadcastAssistant mLeBroadcastAssistant; 117 private final MetricsFeatureProvider mMetricsFeatureProvider; 118 private final boolean mHysteresisModeFixAvailable; 119 private @Nullable ActionButtonsPreference mPreference; 120 private int mBroadcastId = -1; 121 AudioStreamButtonController(Context context, String preferenceKey)122 public AudioStreamButtonController(Context context, String preferenceKey) { 123 super(context, preferenceKey); 124 mExecutor = Executors.newSingleThreadExecutor(); 125 mAudioStreamsHelper = new AudioStreamsHelper(Utils.getLocalBtManager(context)); 126 mLeBroadcastAssistant = mAudioStreamsHelper.getLeBroadcastAssistant(); 127 mHysteresisModeFixAvailable = BluetoothUtils.isAudioSharingHysteresisModeFixAvailable( 128 context); 129 mMetricsFeatureProvider = FeatureFactory.getFeatureFactory().getMetricsFeatureProvider(); 130 } 131 132 @Override onStart(@onNull LifecycleOwner owner)133 public void onStart(@NonNull LifecycleOwner owner) { 134 if (mLeBroadcastAssistant == null) { 135 Log.w(TAG, "onStart(): LeBroadcastAssistant is null!"); 136 return; 137 } 138 mLeBroadcastAssistant.registerServiceCallBack(mExecutor, mBroadcastAssistantCallback); 139 } 140 141 @Override onStop(@onNull LifecycleOwner owner)142 public void onStop(@NonNull LifecycleOwner owner) { 143 if (mLeBroadcastAssistant == null) { 144 Log.w(TAG, "onStop(): LeBroadcastAssistant is null!"); 145 return; 146 } 147 mLeBroadcastAssistant.unregisterServiceCallBack(mBroadcastAssistantCallback); 148 } 149 150 @Override displayPreference(PreferenceScreen screen)151 public final void displayPreference(PreferenceScreen screen) { 152 mPreference = screen.findPreference(getPreferenceKey()); 153 updateButton(); 154 super.displayPreference(screen); 155 } 156 updateButton()157 private void updateButton() { 158 if (mPreference == null) { 159 Log.w(TAG, "updateButton(): preference is null!"); 160 return; 161 } 162 163 boolean isConnected = mAudioStreamsHelper.getConnectedBroadcastIdAndState( 164 mHysteresisModeFixAvailable).containsKey(mBroadcastId); 165 166 View.OnClickListener onClickListener; 167 168 if (isConnected) { 169 onClickListener = 170 unused -> 171 ThreadUtils.postOnBackgroundThread( 172 () -> { 173 mAudioStreamsHelper.removeSource(mBroadcastId); 174 mMetricsFeatureProvider.action( 175 mContext, 176 SettingsEnums 177 .ACTION_AUDIO_STREAM_LEAVE_BUTTON_CLICK); 178 ThreadUtils.postOnMainThread( 179 () -> { 180 if (mPreference != null) { 181 mPreference.setButton1Enabled(false); 182 } 183 }); 184 }); 185 ThreadUtils.postOnMainThread( 186 () -> { 187 if (mPreference != null) { 188 mPreference.setButton1Enabled(true); 189 mPreference 190 .setButton1Text(R.string.audio_streams_disconnect) 191 .setButton1Icon( 192 com.android.settings.R.drawable.ic_settings_close) 193 .setButton1OnClickListener(onClickListener); 194 } 195 }); 196 } else { 197 onClickListener = 198 unused -> 199 ThreadUtils.postOnBackgroundThread( 200 () -> { 201 var metadata = 202 mAudioStreamsRepository.getSavedMetadata( 203 mContext, mBroadcastId); 204 if (metadata != null) { 205 mAudioStreamsHelper.addSource(metadata); 206 mMetricsFeatureProvider.action( 207 mContext, 208 SettingsEnums.ACTION_AUDIO_STREAM_JOIN, 209 SOURCE_ORIGIN_REPOSITORY); 210 ThreadUtils.postOnMainThread( 211 () -> { 212 if (mPreference != null) { 213 mPreference.setButton1Enabled(false); 214 } 215 }); 216 } 217 }); 218 ThreadUtils.postOnMainThread( 219 () -> { 220 if (mPreference != null) { 221 mPreference.setButton1Enabled(true); 222 mPreference 223 .setButton1Text(R.string.audio_streams_connect) 224 .setButton1Icon(com.android.settings.R.drawable.ic_add_24dp) 225 .setButton1OnClickListener(onClickListener); 226 } 227 }); 228 } 229 } 230 231 @Override getAvailabilityStatus()232 public int getAvailabilityStatus() { 233 return AVAILABLE; 234 } 235 236 @Override getPreferenceKey()237 public String getPreferenceKey() { 238 return KEY; 239 } 240 241 /** Initialize with broadcast id */ init(int broadcastId)242 void init(int broadcastId) { 243 mBroadcastId = broadcastId; 244 } 245 246 @VisibleForTesting setAudioStreamsRepositoryForTesting(AudioStreamsRepository repository)247 void setAudioStreamsRepositoryForTesting(AudioStreamsRepository repository) { 248 mAudioStreamsRepository = repository; 249 } 250 } 251