Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013 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 | |
John Spurlock | 6156017 | 2015-02-06 19:46:04 -0500 | [diff] [blame] | 17 | package com.android.server.audio; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 18 | |
| 19 | import android.app.Activity; |
Jean-Michel Trivi | f108cdd9 | 2013-09-27 18:37:36 -0700 | [diff] [blame] | 20 | import android.app.ActivityManager; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 21 | import android.app.AppOpsManager; |
| 22 | import android.app.KeyguardManager; |
| 23 | import android.app.PendingIntent; |
| 24 | import android.app.PendingIntent.CanceledException; |
| 25 | import android.app.PendingIntent.OnFinished; |
| 26 | import android.content.ActivityNotFoundException; |
| 27 | import android.content.BroadcastReceiver; |
| 28 | import android.content.ComponentName; |
| 29 | import android.content.ContentResolver; |
| 30 | import android.content.Context; |
| 31 | import android.content.Intent; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 32 | import android.content.pm.PackageManager; |
Jean-Michel Trivi | f108cdd9 | 2013-09-27 18:37:36 -0700 | [diff] [blame] | 33 | import android.database.ContentObserver; |
John Spurlock | 6156017 | 2015-02-06 19:46:04 -0500 | [diff] [blame] | 34 | import android.media.AudioAttributes; |
| 35 | import android.media.AudioFocusInfo; |
| 36 | import android.media.AudioManager; |
| 37 | import android.media.AudioSystem; |
| 38 | import android.media.IAudioFocusDispatcher; |
John Spurlock | 6156017 | 2015-02-06 19:46:04 -0500 | [diff] [blame] | 39 | import android.media.IRemoteControlClient; |
| 40 | import android.media.IRemoteControlDisplay; |
| 41 | import android.media.IRemoteVolumeObserver; |
| 42 | import android.media.RemoteControlClient; |
Jean-Michel Trivi | 0212be5 | 2014-11-24 14:43:10 -0800 | [diff] [blame] | 43 | import android.media.audiopolicy.IAudioPolicyCallback; |
Jean-Michel Trivi | f108cdd9 | 2013-09-27 18:37:36 -0700 | [diff] [blame] | 44 | import android.net.Uri; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 45 | import android.os.Binder; |
| 46 | import android.os.Bundle; |
| 47 | import android.os.Handler; |
| 48 | import android.os.IBinder; |
Dianne Hackborn | b6683c4 | 2015-06-18 17:40:33 -0700 | [diff] [blame] | 49 | import android.os.IDeviceIdleController; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 50 | import android.os.Looper; |
| 51 | import android.os.Message; |
| 52 | import android.os.PowerManager; |
| 53 | import android.os.RemoteException; |
Dianne Hackborn | b6683c4 | 2015-06-18 17:40:33 -0700 | [diff] [blame] | 54 | import android.os.ServiceManager; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 55 | import android.os.UserHandle; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 56 | import android.provider.Settings; |
| 57 | import android.speech.RecognizerIntent; |
| 58 | import android.telephony.PhoneStateListener; |
| 59 | import android.telephony.TelephonyManager; |
| 60 | import android.util.Log; |
Jean-Michel Trivi | f108cdd9 | 2013-09-27 18:37:36 -0700 | [diff] [blame] | 61 | import android.util.Slog; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 62 | import android.view.KeyEvent; |
| 63 | |
John Spurlock | 6156017 | 2015-02-06 19:46:04 -0500 | [diff] [blame] | 64 | import com.android.server.audio.PlayerRecord.RemotePlaybackState; |
| 65 | |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 66 | import java.io.PrintWriter; |
| 67 | import java.util.ArrayList; |
Jean-Michel Trivi | 545fcf8 | 2015-04-07 09:45:35 -0700 | [diff] [blame] | 68 | import java.util.Date; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 69 | import java.util.Iterator; |
| 70 | import java.util.Stack; |
Jean-Michel Trivi | 545fcf8 | 2015-04-07 09:45:35 -0700 | [diff] [blame] | 71 | import java.text.DateFormat; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 72 | |
| 73 | /** |
| 74 | * @hide |
| 75 | * |
| 76 | */ |
| 77 | public class MediaFocusControl implements OnFinished { |
| 78 | |
| 79 | private static final String TAG = "MediaFocusControl"; |
| 80 | |
| 81 | /** Debug remote control client/display feature */ |
| 82 | protected static final boolean DEBUG_RC = false; |
| 83 | /** Debug volumes */ |
| 84 | protected static final boolean DEBUG_VOL = false; |
| 85 | |
| 86 | /** Used to alter media button redirection when the phone is ringing. */ |
| 87 | private boolean mIsRinging = false; |
| 88 | |
| 89 | private final PowerManager.WakeLock mMediaEventWakeLock; |
Jean-Michel Trivi | 223fd63 | 2014-03-24 11:00:13 -0700 | [diff] [blame] | 90 | private final MediaEventHandler mEventHandler; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 91 | private final Context mContext; |
| 92 | private final ContentResolver mContentResolver; |
RoboErik | d09bd0c | 2014-06-24 17:45:19 -0700 | [diff] [blame] | 93 | private final AudioService.VolumeController mVolumeController; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 94 | private final AppOpsManager mAppOps; |
| 95 | private final KeyguardManager mKeyguardManager; |
| 96 | private final AudioService mAudioService; |
Jean-Michel Trivi | f108cdd9 | 2013-09-27 18:37:36 -0700 | [diff] [blame] | 97 | private final NotificationListenerObserver mNotifListenerObserver; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 98 | |
| 99 | protected MediaFocusControl(Looper looper, Context cntxt, |
RoboErik | d09bd0c | 2014-06-24 17:45:19 -0700 | [diff] [blame] | 100 | AudioService.VolumeController volumeCtrl, AudioService as) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 101 | mEventHandler = new MediaEventHandler(looper); |
| 102 | mContext = cntxt; |
| 103 | mContentResolver = mContext.getContentResolver(); |
| 104 | mVolumeController = volumeCtrl; |
| 105 | mAudioService = as; |
| 106 | |
| 107 | PowerManager pm = (PowerManager)mContext.getSystemService(Context.POWER_SERVICE); |
| 108 | mMediaEventWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "handleMediaEvent"); |
John Spurlock | b6e19e3 | 2015-03-10 21:33:44 -0400 | [diff] [blame] | 109 | int maxMusicLevel = as.getStreamMaxVolume(AudioManager.STREAM_MUSIC); |
| 110 | mMainRemote = new RemotePlaybackState(-1, maxMusicLevel, maxMusicLevel); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 111 | |
| 112 | // Register for phone state monitoring |
| 113 | TelephonyManager tmgr = (TelephonyManager) |
| 114 | mContext.getSystemService(Context.TELEPHONY_SERVICE); |
| 115 | tmgr.listen(mPhoneStateListener, PhoneStateListener.LISTEN_CALL_STATE); |
| 116 | |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 117 | mAppOps = (AppOpsManager)mContext.getSystemService(Context.APP_OPS_SERVICE); |
| 118 | mKeyguardManager = |
| 119 | (KeyguardManager) mContext.getSystemService(Context.KEYGUARD_SERVICE); |
Jean-Michel Trivi | f108cdd9 | 2013-09-27 18:37:36 -0700 | [diff] [blame] | 120 | mNotifListenerObserver = new NotificationListenerObserver(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 121 | |
| 122 | mHasRemotePlayback = false; |
| 123 | mMainRemoteIsActive = false; |
Jean-Michel Trivi | 7d3168c | 2014-03-25 10:41:24 -0700 | [diff] [blame] | 124 | |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 125 | PlayerRecord.setMediaFocusControl(this); |
Jean-Michel Trivi | 7d3168c | 2014-03-25 10:41:24 -0700 | [diff] [blame] | 126 | |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 127 | postReevaluateRemote(); |
| 128 | } |
| 129 | |
Jean-Michel Trivi | 73673ab | 2013-08-06 10:42:45 -0700 | [diff] [blame] | 130 | protected void dump(PrintWriter pw) { |
Jean-Michel Trivi | 545fcf8 | 2015-04-07 09:45:35 -0700 | [diff] [blame] | 131 | pw.println("\nMediaFocusControl dump time: " |
| 132 | + DateFormat.getTimeInstance().format(new Date())); |
Jean-Michel Trivi | 73673ab | 2013-08-06 10:42:45 -0700 | [diff] [blame] | 133 | dumpFocusStack(pw); |
| 134 | dumpRCStack(pw); |
| 135 | dumpRCCStack(pw); |
| 136 | dumpRCDList(pw); |
| 137 | } |
| 138 | |
| 139 | //========================================================================================== |
Jean-Michel Trivi | f108cdd9 | 2013-09-27 18:37:36 -0700 | [diff] [blame] | 140 | // Management of RemoteControlDisplay registration permissions |
| 141 | //========================================================================================== |
| 142 | private final static Uri ENABLED_NOTIFICATION_LISTENERS_URI = |
| 143 | Settings.Secure.getUriFor(Settings.Secure.ENABLED_NOTIFICATION_LISTENERS); |
| 144 | |
| 145 | private class NotificationListenerObserver extends ContentObserver { |
| 146 | |
| 147 | NotificationListenerObserver() { |
| 148 | super(mEventHandler); |
| 149 | mContentResolver.registerContentObserver(Settings.Secure.getUriFor( |
| 150 | Settings.Secure.ENABLED_NOTIFICATION_LISTENERS), false, this); |
| 151 | } |
| 152 | |
| 153 | @Override |
| 154 | public void onChange(boolean selfChange, Uri uri) { |
| 155 | if (!ENABLED_NOTIFICATION_LISTENERS_URI.equals(uri) || selfChange) { |
| 156 | return; |
| 157 | } |
| 158 | if (DEBUG_RC) { Log.d(TAG, "NotificationListenerObserver.onChange()"); } |
| 159 | postReevaluateRemoteControlDisplays(); |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | private final static int RCD_REG_FAILURE = 0; |
| 164 | private final static int RCD_REG_SUCCESS_PERMISSION = 1; |
| 165 | private final static int RCD_REG_SUCCESS_ENABLED_NOTIF = 2; |
| 166 | |
| 167 | /** |
| 168 | * Checks a caller's authorization to register an IRemoteControlDisplay. |
| 169 | * Authorization is granted if one of the following is true: |
| 170 | * <ul> |
| 171 | * <li>the caller has android.Manifest.permission.MEDIA_CONTENT_CONTROL permission</li> |
| 172 | * <li>the caller's listener is one of the enabled notification listeners</li> |
| 173 | * </ul> |
| 174 | * @return RCD_REG_FAILURE if it's not safe to proceed with the IRemoteControlDisplay |
| 175 | * registration. |
| 176 | */ |
| 177 | private int checkRcdRegistrationAuthorization(ComponentName listenerComp) { |
| 178 | // MEDIA_CONTENT_CONTROL permission check |
| 179 | if (PackageManager.PERMISSION_GRANTED == mContext.checkCallingOrSelfPermission( |
| 180 | android.Manifest.permission.MEDIA_CONTENT_CONTROL)) { |
| 181 | if (DEBUG_RC) { Log.d(TAG, "ok to register Rcd: has MEDIA_CONTENT_CONTROL permission");} |
| 182 | return RCD_REG_SUCCESS_PERMISSION; |
| 183 | } |
| 184 | |
| 185 | // ENABLED_NOTIFICATION_LISTENERS settings check |
| 186 | if (listenerComp != null) { |
| 187 | // this call is coming from an app, can't use its identity to read secure settings |
| 188 | final long ident = Binder.clearCallingIdentity(); |
| 189 | try { |
| 190 | final int currentUser = ActivityManager.getCurrentUser(); |
| 191 | final String enabledNotifListeners = Settings.Secure.getStringForUser( |
| 192 | mContext.getContentResolver(), |
| 193 | Settings.Secure.ENABLED_NOTIFICATION_LISTENERS, |
| 194 | currentUser); |
| 195 | if (enabledNotifListeners != null) { |
| 196 | final String[] components = enabledNotifListeners.split(":"); |
| 197 | for (int i=0; i<components.length; i++) { |
| 198 | final ComponentName component = |
| 199 | ComponentName.unflattenFromString(components[i]); |
| 200 | if (component != null) { |
| 201 | if (listenerComp.equals(component)) { |
| 202 | if (DEBUG_RC) { Log.d(TAG, "ok to register RCC: " + component + |
| 203 | " is authorized notification listener"); } |
| 204 | return RCD_REG_SUCCESS_ENABLED_NOTIF; |
| 205 | } |
| 206 | } |
| 207 | } |
| 208 | } |
| 209 | if (DEBUG_RC) { Log.d(TAG, "not ok to register RCD, " + listenerComp + |
| 210 | " is not in list of ENABLED_NOTIFICATION_LISTENERS"); } |
| 211 | } finally { |
| 212 | Binder.restoreCallingIdentity(ident); |
| 213 | } |
| 214 | } |
| 215 | |
| 216 | return RCD_REG_FAILURE; |
| 217 | } |
| 218 | |
| 219 | protected boolean registerRemoteController(IRemoteControlDisplay rcd, int w, int h, |
| 220 | ComponentName listenerComp) { |
| 221 | int reg = checkRcdRegistrationAuthorization(listenerComp); |
| 222 | if (reg != RCD_REG_FAILURE) { |
| 223 | registerRemoteControlDisplay_int(rcd, w, h, listenerComp); |
| 224 | return true; |
| 225 | } else { |
| 226 | Slog.w(TAG, "Access denied to process: " + Binder.getCallingPid() + |
| 227 | ", must have permission " + android.Manifest.permission.MEDIA_CONTENT_CONTROL + |
| 228 | " or be an enabled NotificationListenerService for registerRemoteController"); |
| 229 | return false; |
| 230 | } |
| 231 | } |
| 232 | |
| 233 | protected boolean registerRemoteControlDisplay(IRemoteControlDisplay rcd, int w, int h) { |
| 234 | int reg = checkRcdRegistrationAuthorization(null); |
| 235 | if (reg != RCD_REG_FAILURE) { |
| 236 | registerRemoteControlDisplay_int(rcd, w, h, null); |
| 237 | return true; |
| 238 | } else { |
| 239 | Slog.w(TAG, "Access denied to process: " + Binder.getCallingPid() + |
| 240 | ", must have permission " + android.Manifest.permission.MEDIA_CONTENT_CONTROL + |
| 241 | " to register IRemoteControlDisplay"); |
| 242 | return false; |
| 243 | } |
| 244 | } |
| 245 | |
| 246 | private void postReevaluateRemoteControlDisplays() { |
| 247 | sendMsg(mEventHandler, MSG_REEVALUATE_RCD, SENDMSG_QUEUE, 0, 0, null, 0); |
| 248 | } |
| 249 | |
| 250 | private void onReevaluateRemoteControlDisplays() { |
| 251 | if (DEBUG_RC) { Log.d(TAG, "onReevaluateRemoteControlDisplays()"); } |
| 252 | // read which components are enabled notification listeners |
| 253 | final int currentUser = ActivityManager.getCurrentUser(); |
| 254 | final String enabledNotifListeners = Settings.Secure.getStringForUser( |
| 255 | mContext.getContentResolver(), |
| 256 | Settings.Secure.ENABLED_NOTIFICATION_LISTENERS, |
| 257 | currentUser); |
| 258 | if (DEBUG_RC) { Log.d(TAG, " > enabled list: " + enabledNotifListeners); } |
| 259 | synchronized(mAudioFocusLock) { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 260 | synchronized(mPRStack) { |
Jean-Michel Trivi | f108cdd9 | 2013-09-27 18:37:36 -0700 | [diff] [blame] | 261 | // check whether the "enable" status of each RCD with a notification listener |
| 262 | // has changed |
| 263 | final String[] enabledComponents; |
| 264 | if (enabledNotifListeners == null) { |
| 265 | enabledComponents = null; |
| 266 | } else { |
| 267 | enabledComponents = enabledNotifListeners.split(":"); |
| 268 | } |
| 269 | final Iterator<DisplayInfoForServer> displayIterator = mRcDisplays.iterator(); |
| 270 | while (displayIterator.hasNext()) { |
| 271 | final DisplayInfoForServer di = |
RoboErik | 01fe661 | 2014-02-13 14:19:04 -0800 | [diff] [blame] | 272 | displayIterator.next(); |
Jean-Michel Trivi | f108cdd9 | 2013-09-27 18:37:36 -0700 | [diff] [blame] | 273 | if (di.mClientNotifListComp != null) { |
| 274 | boolean wasEnabled = di.mEnabled; |
| 275 | di.mEnabled = isComponentInStringArray(di.mClientNotifListComp, |
| 276 | enabledComponents); |
| 277 | if (wasEnabled != di.mEnabled){ |
| 278 | try { |
| 279 | // tell the RCD whether it's enabled |
| 280 | di.mRcDisplay.setEnabled(di.mEnabled); |
| 281 | // tell the RCCs about the change for this RCD |
| 282 | enableRemoteControlDisplayForClient_syncRcStack( |
| 283 | di.mRcDisplay, di.mEnabled); |
Jean-Michel Trivi | 1956654 | 2013-10-07 17:10:08 -0700 | [diff] [blame] | 284 | // when enabling, refresh the information on the display |
| 285 | if (di.mEnabled) { |
| 286 | sendMsg(mEventHandler, MSG_RCDISPLAY_INIT_INFO, SENDMSG_QUEUE, |
| 287 | di.mArtworkExpectedWidth /*arg1*/, |
| 288 | di.mArtworkExpectedHeight/*arg2*/, |
| 289 | di.mRcDisplay /*obj*/, 0/*delay*/); |
| 290 | } |
Jean-Michel Trivi | f108cdd9 | 2013-09-27 18:37:36 -0700 | [diff] [blame] | 291 | } catch (RemoteException e) { |
| 292 | Log.e(TAG, "Error en/disabling RCD: ", e); |
| 293 | } |
| 294 | } |
| 295 | } |
| 296 | } |
| 297 | } |
| 298 | } |
| 299 | } |
| 300 | |
| 301 | /** |
| 302 | * @param comp a non-null ComponentName |
| 303 | * @param enabledArray may be null |
| 304 | * @return |
| 305 | */ |
| 306 | private boolean isComponentInStringArray(ComponentName comp, String[] enabledArray) { |
| 307 | if (enabledArray == null || enabledArray.length == 0) { |
| 308 | if (DEBUG_RC) { Log.d(TAG, " > " + comp + " is NOT enabled"); } |
| 309 | return false; |
| 310 | } |
| 311 | final String compString = comp.flattenToString(); |
| 312 | for (int i=0; i<enabledArray.length; i++) { |
| 313 | if (compString.equals(enabledArray[i])) { |
| 314 | if (DEBUG_RC) { Log.d(TAG, " > " + compString + " is enabled"); } |
| 315 | return true; |
| 316 | } |
| 317 | } |
| 318 | if (DEBUG_RC) { Log.d(TAG, " > " + compString + " is NOT enabled"); } |
| 319 | return false; |
| 320 | } |
| 321 | |
| 322 | //========================================================================================== |
Jean-Michel Trivi | 73673ab | 2013-08-06 10:42:45 -0700 | [diff] [blame] | 323 | // Internal event handling |
| 324 | //========================================================================================== |
| 325 | |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 326 | // event handler messages |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 327 | private static final int MSG_RCDISPLAY_CLEAR = 1; |
| 328 | private static final int MSG_RCDISPLAY_UPDATE = 2; |
| 329 | private static final int MSG_REEVALUATE_REMOTE = 3; |
| 330 | private static final int MSG_RCC_NEW_PLAYBACK_INFO = 4; |
| 331 | private static final int MSG_RCC_NEW_VOLUME_OBS = 5; |
Jean-Michel Trivi | 8be88d1 | 2014-04-10 15:00:35 -0700 | [diff] [blame] | 332 | private static final int MSG_RCC_NEW_PLAYBACK_STATE = 6; |
| 333 | private static final int MSG_RCC_SEEK_REQUEST = 7; |
| 334 | private static final int MSG_RCC_UPDATE_METADATA = 8; |
| 335 | private static final int MSG_RCDISPLAY_INIT_INFO = 9; |
| 336 | private static final int MSG_REEVALUATE_RCD = 10; |
| 337 | private static final int MSG_UNREGISTER_MEDIABUTTONINTENT = 11; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 338 | |
| 339 | // sendMsg() flags |
| 340 | /** If the msg is already queued, replace it with this one. */ |
| 341 | private static final int SENDMSG_REPLACE = 0; |
| 342 | /** If the msg is already queued, ignore this one and leave the old. */ |
| 343 | private static final int SENDMSG_NOOP = 1; |
| 344 | /** If the msg is already queued, queue this one and leave the old. */ |
| 345 | private static final int SENDMSG_QUEUE = 2; |
| 346 | |
| 347 | private static void sendMsg(Handler handler, int msg, |
| 348 | int existingMsgPolicy, int arg1, int arg2, Object obj, int delay) { |
| 349 | |
| 350 | if (existingMsgPolicy == SENDMSG_REPLACE) { |
| 351 | handler.removeMessages(msg); |
| 352 | } else if (existingMsgPolicy == SENDMSG_NOOP && handler.hasMessages(msg)) { |
| 353 | return; |
| 354 | } |
| 355 | |
| 356 | handler.sendMessageDelayed(handler.obtainMessage(msg, arg1, arg2, obj), delay); |
| 357 | } |
| 358 | |
Jean-Michel Trivi | 223fd63 | 2014-03-24 11:00:13 -0700 | [diff] [blame] | 359 | private class MediaEventHandler extends Handler { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 360 | MediaEventHandler(Looper looper) { |
| 361 | super(looper); |
| 362 | } |
| 363 | |
| 364 | @Override |
| 365 | public void handleMessage(Message msg) { |
| 366 | switch(msg.what) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 367 | case MSG_RCDISPLAY_CLEAR: |
| 368 | onRcDisplayClear(); |
| 369 | break; |
| 370 | |
| 371 | case MSG_RCDISPLAY_UPDATE: |
| 372 | // msg.obj is guaranteed to be non null |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 373 | onRcDisplayUpdate( (PlayerRecord) msg.obj, msg.arg1); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 374 | break; |
| 375 | |
| 376 | case MSG_REEVALUATE_REMOTE: |
| 377 | onReevaluateRemote(); |
| 378 | break; |
| 379 | |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 380 | case MSG_RCC_NEW_VOLUME_OBS: |
| 381 | onRegisterVolumeObserverForRcc(msg.arg1 /* rccId */, |
| 382 | (IRemoteVolumeObserver)msg.obj /* rvo */); |
| 383 | break; |
Jean-Michel Trivi | f823fc4 | 2013-08-20 09:04:56 -0700 | [diff] [blame] | 384 | |
Jean-Michel Trivi | 86142da | 2013-09-29 13:03:58 -0700 | [diff] [blame] | 385 | case MSG_RCDISPLAY_INIT_INFO: |
| 386 | // msg.obj is guaranteed to be non null |
| 387 | onRcDisplayInitInfo((IRemoteControlDisplay)msg.obj /*newRcd*/, |
| 388 | msg.arg1/*w*/, msg.arg2/*h*/); |
| 389 | break; |
Jean-Michel Trivi | f108cdd9 | 2013-09-27 18:37:36 -0700 | [diff] [blame] | 390 | |
| 391 | case MSG_REEVALUATE_RCD: |
| 392 | onReevaluateRemoteControlDisplays(); |
| 393 | break; |
Jean-Michel Trivi | 223fd63 | 2014-03-24 11:00:13 -0700 | [diff] [blame] | 394 | |
| 395 | case MSG_UNREGISTER_MEDIABUTTONINTENT: |
| 396 | unregisterMediaButtonIntent( (PendingIntent) msg.obj ); |
| 397 | break; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 398 | } |
| 399 | } |
| 400 | } |
| 401 | |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 402 | |
| 403 | //========================================================================================== |
| 404 | // AudioFocus |
| 405 | //========================================================================================== |
| 406 | |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 407 | private final static Object mAudioFocusLock = new Object(); |
| 408 | |
| 409 | private final static Object mRingingLock = new Object(); |
| 410 | |
| 411 | private PhoneStateListener mPhoneStateListener = new PhoneStateListener() { |
| 412 | @Override |
| 413 | public void onCallStateChanged(int state, String incomingNumber) { |
| 414 | if (state == TelephonyManager.CALL_STATE_RINGING) { |
| 415 | //Log.v(TAG, " CALL_STATE_RINGING"); |
| 416 | synchronized(mRingingLock) { |
| 417 | mIsRinging = true; |
| 418 | } |
| 419 | } else if ((state == TelephonyManager.CALL_STATE_OFFHOOK) |
| 420 | || (state == TelephonyManager.CALL_STATE_IDLE)) { |
| 421 | synchronized(mRingingLock) { |
| 422 | mIsRinging = false; |
| 423 | } |
| 424 | } |
| 425 | } |
| 426 | }; |
| 427 | |
| 428 | /** |
| 429 | * Discard the current audio focus owner. |
| 430 | * Notify top of audio focus stack that it lost focus (regardless of possibility to reassign |
| 431 | * focus), remove it from the stack, and clear the remote control display. |
| 432 | */ |
| 433 | protected void discardAudioFocusOwner() { |
| 434 | synchronized(mAudioFocusLock) { |
Jean-Michel Trivi | cbb212f | 2013-07-30 15:09:33 -0700 | [diff] [blame] | 435 | if (!mFocusStack.empty()) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 436 | // notify the current focus owner it lost focus after removing it from stack |
Jean-Michel Trivi | 83283f2 | 2013-07-29 18:09:41 -0700 | [diff] [blame] | 437 | final FocusRequester exFocusOwner = mFocusStack.pop(); |
Jean-Michel Trivi | 00bf4b1 | 2013-07-26 17:19:32 -0700 | [diff] [blame] | 438 | exFocusOwner.handleFocusLoss(AudioManager.AUDIOFOCUS_LOSS); |
Jean-Michel Trivi | 83283f2 | 2013-07-29 18:09:41 -0700 | [diff] [blame] | 439 | exFocusOwner.release(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 440 | } |
| 441 | } |
| 442 | } |
| 443 | |
Jean-Michel Trivi | 0212be5 | 2014-11-24 14:43:10 -0800 | [diff] [blame] | 444 | /** |
| 445 | * Called synchronized on mAudioFocusLock |
| 446 | */ |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 447 | private void notifyTopOfAudioFocusStack() { |
| 448 | // notify the top of the stack it gained focus |
Jean-Michel Trivi | cbb212f | 2013-07-30 15:09:33 -0700 | [diff] [blame] | 449 | if (!mFocusStack.empty()) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 450 | if (canReassignAudioFocus()) { |
Jean-Michel Trivi | 00bf4b1 | 2013-07-26 17:19:32 -0700 | [diff] [blame] | 451 | mFocusStack.peek().handleFocusGain(AudioManager.AUDIOFOCUS_GAIN); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 452 | } |
| 453 | } |
| 454 | } |
| 455 | |
Jean-Michel Trivi | cbb212f | 2013-07-30 15:09:33 -0700 | [diff] [blame] | 456 | /** |
| 457 | * Focus is requested, propagate the associated loss throughout the stack. |
| 458 | * @param focusGain the new focus gain that will later be added at the top of the stack |
| 459 | */ |
| 460 | private void propagateFocusLossFromGain_syncAf(int focusGain) { |
| 461 | // going through the audio focus stack to signal new focus, traversing order doesn't |
| 462 | // matter as all entries respond to the same external focus gain |
| 463 | Iterator<FocusRequester> stackIterator = mFocusStack.iterator(); |
| 464 | while(stackIterator.hasNext()) { |
| 465 | stackIterator.next().handleExternalFocusGain(focusGain); |
| 466 | } |
| 467 | } |
| 468 | |
Jean-Michel Trivi | 83283f2 | 2013-07-29 18:09:41 -0700 | [diff] [blame] | 469 | private final Stack<FocusRequester> mFocusStack = new Stack<FocusRequester>(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 470 | |
| 471 | /** |
| 472 | * Helper function: |
| 473 | * Display in the log the current entries in the audio focus stack |
| 474 | */ |
| 475 | private void dumpFocusStack(PrintWriter pw) { |
| 476 | pw.println("\nAudio Focus stack entries (last is top of stack):"); |
| 477 | synchronized(mAudioFocusLock) { |
Jean-Michel Trivi | 83283f2 | 2013-07-29 18:09:41 -0700 | [diff] [blame] | 478 | Iterator<FocusRequester> stackIterator = mFocusStack.iterator(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 479 | while(stackIterator.hasNext()) { |
Jean-Michel Trivi | 83283f2 | 2013-07-29 18:09:41 -0700 | [diff] [blame] | 480 | stackIterator.next().dump(pw); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 481 | } |
| 482 | } |
Jean-Michel Trivi | 0212be5 | 2014-11-24 14:43:10 -0800 | [diff] [blame] | 483 | pw.println("\n Notify on duck: " + mNotifyFocusOwnerOnDuck +"\n"); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 484 | } |
| 485 | |
| 486 | /** |
| 487 | * Helper function: |
| 488 | * Called synchronized on mAudioFocusLock |
| 489 | * Remove a focus listener from the focus stack. |
| 490 | * @param clientToRemove the focus listener |
| 491 | * @param signal if true and the listener was at the top of the focus stack, i.e. it was holding |
| 492 | * focus, notify the next item in the stack it gained focus. |
| 493 | */ |
Jean-Michel Trivi | 0212be5 | 2014-11-24 14:43:10 -0800 | [diff] [blame] | 494 | private void removeFocusStackEntry(String clientToRemove, boolean signal, |
| 495 | boolean notifyFocusFollowers) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 496 | // is the current top of the focus stack abandoning focus? (because of request, not death) |
Jean-Michel Trivi | 83283f2 | 2013-07-29 18:09:41 -0700 | [diff] [blame] | 497 | if (!mFocusStack.empty() && mFocusStack.peek().hasSameClient(clientToRemove)) |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 498 | { |
| 499 | //Log.i(TAG, " removeFocusStackEntry() removing top of stack"); |
Jean-Michel Trivi | 83283f2 | 2013-07-29 18:09:41 -0700 | [diff] [blame] | 500 | FocusRequester fr = mFocusStack.pop(); |
| 501 | fr.release(); |
Jean-Michel Trivi | 0212be5 | 2014-11-24 14:43:10 -0800 | [diff] [blame] | 502 | if (notifyFocusFollowers) { |
| 503 | final AudioFocusInfo afi = fr.toAudioFocusInfo(); |
| 504 | afi.clearLossReceived(); |
| 505 | notifyExtPolicyFocusLoss_syncAf(afi, false); |
| 506 | } |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 507 | if (signal) { |
| 508 | // notify the new top of the stack it gained focus |
| 509 | notifyTopOfAudioFocusStack(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 510 | } |
| 511 | } else { |
| 512 | // focus is abandoned by a client that's not at the top of the stack, |
| 513 | // no need to update focus. |
| 514 | // (using an iterator on the stack so we can safely remove an entry after having |
| 515 | // evaluated it, traversal order doesn't matter here) |
Jean-Michel Trivi | 83283f2 | 2013-07-29 18:09:41 -0700 | [diff] [blame] | 516 | Iterator<FocusRequester> stackIterator = mFocusStack.iterator(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 517 | while(stackIterator.hasNext()) { |
RoboErik | 01fe661 | 2014-02-13 14:19:04 -0800 | [diff] [blame] | 518 | FocusRequester fr = stackIterator.next(); |
Jean-Michel Trivi | 83283f2 | 2013-07-29 18:09:41 -0700 | [diff] [blame] | 519 | if(fr.hasSameClient(clientToRemove)) { |
Jean-Michel Trivi | 00bf4b1 | 2013-07-26 17:19:32 -0700 | [diff] [blame] | 520 | Log.i(TAG, "AudioFocus removeFocusStackEntry(): removing entry for " |
Jean-Michel Trivi | 83283f2 | 2013-07-29 18:09:41 -0700 | [diff] [blame] | 521 | + clientToRemove); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 522 | stackIterator.remove(); |
Jean-Michel Trivi | 83283f2 | 2013-07-29 18:09:41 -0700 | [diff] [blame] | 523 | fr.release(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 524 | } |
| 525 | } |
| 526 | } |
| 527 | } |
| 528 | |
| 529 | /** |
| 530 | * Helper function: |
| 531 | * Called synchronized on mAudioFocusLock |
| 532 | * Remove focus listeners from the focus stack for a particular client when it has died. |
| 533 | */ |
| 534 | private void removeFocusStackEntryForClient(IBinder cb) { |
| 535 | // is the owner of the audio focus part of the client to remove? |
| 536 | boolean isTopOfStackForClientToRemove = !mFocusStack.isEmpty() && |
Jean-Michel Trivi | 83283f2 | 2013-07-29 18:09:41 -0700 | [diff] [blame] | 537 | mFocusStack.peek().hasSameBinder(cb); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 538 | // (using an iterator on the stack so we can safely remove an entry after having |
| 539 | // evaluated it, traversal order doesn't matter here) |
Jean-Michel Trivi | 83283f2 | 2013-07-29 18:09:41 -0700 | [diff] [blame] | 540 | Iterator<FocusRequester> stackIterator = mFocusStack.iterator(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 541 | while(stackIterator.hasNext()) { |
RoboErik | 01fe661 | 2014-02-13 14:19:04 -0800 | [diff] [blame] | 542 | FocusRequester fr = stackIterator.next(); |
Jean-Michel Trivi | 83283f2 | 2013-07-29 18:09:41 -0700 | [diff] [blame] | 543 | if(fr.hasSameBinder(cb)) { |
| 544 | Log.i(TAG, "AudioFocus removeFocusStackEntry(): removing entry for " + cb); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 545 | stackIterator.remove(); |
| 546 | // the client just died, no need to unlink to its death |
| 547 | } |
| 548 | } |
| 549 | if (isTopOfStackForClientToRemove) { |
| 550 | // we removed an entry at the top of the stack: |
| 551 | // notify the new top of the stack it gained focus. |
| 552 | notifyTopOfAudioFocusStack(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 553 | } |
| 554 | } |
| 555 | |
| 556 | /** |
| 557 | * Helper function: |
| 558 | * Returns true if the system is in a state where the focus can be reevaluated, false otherwise. |
Jean-Michel Trivi | fd6ad74 | 2014-11-10 14:38:30 -0800 | [diff] [blame] | 559 | * The implementation guarantees that a state where focus cannot be immediately reassigned |
Jean-Michel Trivi | 958876f | 2014-11-16 15:40:22 -0800 | [diff] [blame] | 560 | * implies that an "locked" focus owner is at the top of the focus stack. |
Jean-Michel Trivi | fd6ad74 | 2014-11-10 14:38:30 -0800 | [diff] [blame] | 561 | * Modifications to the implementation that break this assumption will cause focus requests to |
| 562 | * misbehave when honoring the AudioManager.AUDIOFOCUS_FLAG_DELAY_OK flag. |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 563 | */ |
| 564 | private boolean canReassignAudioFocus() { |
| 565 | // focus requests are rejected during a phone call or when the phone is ringing |
| 566 | // this is equivalent to IN_VOICE_COMM_FOCUS_ID having the focus |
Jean-Michel Trivi | 958876f | 2014-11-16 15:40:22 -0800 | [diff] [blame] | 567 | if (!mFocusStack.isEmpty() && isLockedFocusOwner(mFocusStack.peek())) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 568 | return false; |
| 569 | } |
| 570 | return true; |
| 571 | } |
| 572 | |
Jean-Michel Trivi | 958876f | 2014-11-16 15:40:22 -0800 | [diff] [blame] | 573 | private boolean isLockedFocusOwner(FocusRequester fr) { |
John Spurlock | 6156017 | 2015-02-06 19:46:04 -0500 | [diff] [blame] | 574 | return (fr.hasSameClient(AudioSystem.IN_VOICE_COMM_FOCUS_ID) || fr.isLockedFocusOwner()); |
Jean-Michel Trivi | fd6ad74 | 2014-11-10 14:38:30 -0800 | [diff] [blame] | 575 | } |
| 576 | |
| 577 | /** |
| 578 | * Helper function |
Jean-Michel Trivi | 958876f | 2014-11-16 15:40:22 -0800 | [diff] [blame] | 579 | * Pre-conditions: focus stack is not empty, there is one or more locked focus owner |
Jean-Michel Trivi | fd6ad74 | 2014-11-10 14:38:30 -0800 | [diff] [blame] | 580 | * at the top of the focus stack |
| 581 | * Push the focus requester onto the audio focus stack at the first position immediately |
Jean-Michel Trivi | 958876f | 2014-11-16 15:40:22 -0800 | [diff] [blame] | 582 | * following the locked focus owners. |
Jean-Michel Trivi | fd6ad74 | 2014-11-10 14:38:30 -0800 | [diff] [blame] | 583 | * @return {@link AudioManager#AUDIOFOCUS_REQUEST_GRANTED} or |
| 584 | * {@link AudioManager#AUDIOFOCUS_REQUEST_DELAYED} |
| 585 | */ |
Jean-Michel Trivi | 958876f | 2014-11-16 15:40:22 -0800 | [diff] [blame] | 586 | private int pushBelowLockedFocusOwners(FocusRequester nfr) { |
| 587 | int lastLockedFocusOwnerIndex = mFocusStack.size(); |
Jean-Michel Trivi | fd6ad74 | 2014-11-10 14:38:30 -0800 | [diff] [blame] | 588 | for (int index = mFocusStack.size()-1; index >= 0; index--) { |
Jean-Michel Trivi | 958876f | 2014-11-16 15:40:22 -0800 | [diff] [blame] | 589 | if (isLockedFocusOwner(mFocusStack.elementAt(index))) { |
| 590 | lastLockedFocusOwnerIndex = index; |
Jean-Michel Trivi | fd6ad74 | 2014-11-10 14:38:30 -0800 | [diff] [blame] | 591 | } |
| 592 | } |
Jean-Michel Trivi | 958876f | 2014-11-16 15:40:22 -0800 | [diff] [blame] | 593 | if (lastLockedFocusOwnerIndex == mFocusStack.size()) { |
Jean-Michel Trivi | fd6ad74 | 2014-11-10 14:38:30 -0800 | [diff] [blame] | 594 | // this should not happen, but handle it and log an error |
| 595 | Log.e(TAG, "No exclusive focus owner found in propagateFocusLossFromGain_syncAf()", |
| 596 | new Exception()); |
| 597 | // no exclusive owner, push at top of stack, focus is granted, propagate change |
| 598 | propagateFocusLossFromGain_syncAf(nfr.getGainRequest()); |
| 599 | mFocusStack.push(nfr); |
| 600 | return AudioManager.AUDIOFOCUS_REQUEST_GRANTED; |
| 601 | } else { |
Jean-Michel Trivi | 958876f | 2014-11-16 15:40:22 -0800 | [diff] [blame] | 602 | mFocusStack.insertElementAt(nfr, lastLockedFocusOwnerIndex); |
Jean-Michel Trivi | fd6ad74 | 2014-11-10 14:38:30 -0800 | [diff] [blame] | 603 | return AudioManager.AUDIOFOCUS_REQUEST_DELAYED; |
| 604 | } |
| 605 | } |
| 606 | |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 607 | /** |
| 608 | * Inner class to monitor audio focus client deaths, and remove them from the audio focus |
| 609 | * stack if necessary. |
| 610 | */ |
Jean-Michel Trivi | 83283f2 | 2013-07-29 18:09:41 -0700 | [diff] [blame] | 611 | protected class AudioFocusDeathHandler implements IBinder.DeathRecipient { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 612 | private IBinder mCb; // To be notified of client's death |
| 613 | |
| 614 | AudioFocusDeathHandler(IBinder cb) { |
| 615 | mCb = cb; |
| 616 | } |
| 617 | |
| 618 | public void binderDied() { |
| 619 | synchronized(mAudioFocusLock) { |
| 620 | Log.w(TAG, " AudioFocus audio focus client died"); |
| 621 | removeFocusStackEntryForClient(mCb); |
| 622 | } |
| 623 | } |
| 624 | |
| 625 | public IBinder getBinder() { |
| 626 | return mCb; |
| 627 | } |
| 628 | } |
| 629 | |
Jean-Michel Trivi | 0212be5 | 2014-11-24 14:43:10 -0800 | [diff] [blame] | 630 | /** |
| 631 | * Indicates whether to notify an audio focus owner when it loses focus |
| 632 | * with {@link AudioManager#AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK} if it will only duck. |
| 633 | * This variable being false indicates an AudioPolicy has been registered and has signaled |
| 634 | * it will handle audio ducking. |
| 635 | */ |
| 636 | private boolean mNotifyFocusOwnerOnDuck = true; |
| 637 | |
| 638 | protected void setDuckingInExtPolicyAvailable(boolean available) { |
| 639 | mNotifyFocusOwnerOnDuck = !available; |
| 640 | } |
| 641 | |
| 642 | boolean mustNotifyFocusOwnerOnDuck() { return mNotifyFocusOwnerOnDuck; } |
| 643 | |
| 644 | private ArrayList<IAudioPolicyCallback> mFocusFollowers = new ArrayList<IAudioPolicyCallback>(); |
| 645 | |
| 646 | void addFocusFollower(IAudioPolicyCallback ff) { |
| 647 | if (ff == null) { |
| 648 | return; |
| 649 | } |
| 650 | synchronized(mAudioFocusLock) { |
| 651 | boolean found = false; |
| 652 | for (IAudioPolicyCallback pcb : mFocusFollowers) { |
| 653 | if (pcb.asBinder().equals(ff.asBinder())) { |
| 654 | found = true; |
| 655 | break; |
| 656 | } |
| 657 | } |
| 658 | if (found) { |
| 659 | return; |
| 660 | } else { |
| 661 | mFocusFollowers.add(ff); |
Jean-Michel Trivi | 60fd084 | 2015-03-13 10:11:28 -0700 | [diff] [blame] | 662 | notifyExtPolicyCurrentFocusAsync(ff); |
Jean-Michel Trivi | 0212be5 | 2014-11-24 14:43:10 -0800 | [diff] [blame] | 663 | } |
| 664 | } |
| 665 | } |
| 666 | |
| 667 | void removeFocusFollower(IAudioPolicyCallback ff) { |
| 668 | if (ff == null) { |
| 669 | return; |
| 670 | } |
| 671 | synchronized(mAudioFocusLock) { |
| 672 | for (IAudioPolicyCallback pcb : mFocusFollowers) { |
| 673 | if (pcb.asBinder().equals(ff.asBinder())) { |
| 674 | mFocusFollowers.remove(pcb); |
| 675 | break; |
| 676 | } |
| 677 | } |
| 678 | } |
| 679 | } |
| 680 | |
| 681 | /** |
Jean-Michel Trivi | 60fd084 | 2015-03-13 10:11:28 -0700 | [diff] [blame] | 682 | * @param pcb non null |
| 683 | */ |
| 684 | void notifyExtPolicyCurrentFocusAsync(IAudioPolicyCallback pcb) { |
| 685 | final IAudioPolicyCallback pcb2 = pcb; |
| 686 | final Thread thread = new Thread() { |
| 687 | @Override |
| 688 | public void run() { |
| 689 | synchronized(mAudioFocusLock) { |
| 690 | if (mFocusStack.isEmpty()) { |
| 691 | return; |
| 692 | } |
| 693 | try { |
| 694 | pcb2.notifyAudioFocusGrant(mFocusStack.peek().toAudioFocusInfo(), |
| 695 | // top of focus stack always has focus |
| 696 | AudioManager.AUDIOFOCUS_REQUEST_GRANTED); |
| 697 | } catch (RemoteException e) { |
| 698 | Log.e(TAG, "Can't call notifyAudioFocusGrant() on IAudioPolicyCallback " |
| 699 | + pcb2.asBinder(), e); |
| 700 | } |
| 701 | } |
| 702 | } |
| 703 | }; |
| 704 | thread.start(); |
| 705 | } |
| 706 | |
| 707 | /** |
Jean-Michel Trivi | 0212be5 | 2014-11-24 14:43:10 -0800 | [diff] [blame] | 708 | * Called synchronized on mAudioFocusLock |
| 709 | */ |
| 710 | void notifyExtPolicyFocusGrant_syncAf(AudioFocusInfo afi, int requestResult) { |
| 711 | for (IAudioPolicyCallback pcb : mFocusFollowers) { |
| 712 | try { |
| 713 | // oneway |
| 714 | pcb.notifyAudioFocusGrant(afi, requestResult); |
| 715 | } catch (RemoteException e) { |
Jean-Michel Trivi | 60fd084 | 2015-03-13 10:11:28 -0700 | [diff] [blame] | 716 | Log.e(TAG, "Can't call notifyAudioFocusGrant() on IAudioPolicyCallback " |
Jean-Michel Trivi | 0212be5 | 2014-11-24 14:43:10 -0800 | [diff] [blame] | 717 | + pcb.asBinder(), e); |
| 718 | } |
| 719 | } |
| 720 | } |
| 721 | |
| 722 | /** |
| 723 | * Called synchronized on mAudioFocusLock |
| 724 | */ |
| 725 | void notifyExtPolicyFocusLoss_syncAf(AudioFocusInfo afi, boolean wasDispatched) { |
| 726 | for (IAudioPolicyCallback pcb : mFocusFollowers) { |
| 727 | try { |
| 728 | // oneway |
| 729 | pcb.notifyAudioFocusLoss(afi, wasDispatched); |
| 730 | } catch (RemoteException e) { |
Jean-Michel Trivi | 60fd084 | 2015-03-13 10:11:28 -0700 | [diff] [blame] | 731 | Log.e(TAG, "Can't call notifyAudioFocusLoss() on IAudioPolicyCallback " |
Jean-Michel Trivi | 0212be5 | 2014-11-24 14:43:10 -0800 | [diff] [blame] | 732 | + pcb.asBinder(), e); |
| 733 | } |
| 734 | } |
| 735 | } |
| 736 | |
Jean-Michel Trivi | 2380566 | 2013-07-31 14:19:18 -0700 | [diff] [blame] | 737 | protected int getCurrentAudioFocus() { |
| 738 | synchronized(mAudioFocusLock) { |
| 739 | if (mFocusStack.empty()) { |
| 740 | return AudioManager.AUDIOFOCUS_NONE; |
| 741 | } else { |
| 742 | return mFocusStack.peek().getGainRequest(); |
| 743 | } |
| 744 | } |
| 745 | } |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 746 | |
Jean-Michel Trivi | fd6ad74 | 2014-11-10 14:38:30 -0800 | [diff] [blame] | 747 | /** @see AudioManager#requestAudioFocus(AudioManager.OnAudioFocusChangeListener, int, int, int) */ |
| 748 | protected int requestAudioFocus(AudioAttributes aa, int focusChangeHint, IBinder cb, |
| 749 | IAudioFocusDispatcher fd, String clientId, String callingPackageName, int flags) { |
| 750 | Log.i(TAG, " AudioFocus requestAudioFocus() from " + clientId + " req=" + focusChangeHint + |
| 751 | "flags=0x" + Integer.toHexString(flags)); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 752 | // we need a valid binder callback for clients |
| 753 | if (!cb.pingBinder()) { |
| 754 | Log.e(TAG, " AudioFocus DOA client for requestAudioFocus(), aborting."); |
| 755 | return AudioManager.AUDIOFOCUS_REQUEST_FAILED; |
| 756 | } |
| 757 | |
| 758 | if (mAppOps.noteOp(AppOpsManager.OP_TAKE_AUDIO_FOCUS, Binder.getCallingUid(), |
| 759 | callingPackageName) != AppOpsManager.MODE_ALLOWED) { |
| 760 | return AudioManager.AUDIOFOCUS_REQUEST_FAILED; |
| 761 | } |
| 762 | |
| 763 | synchronized(mAudioFocusLock) { |
Jean-Michel Trivi | fd6ad74 | 2014-11-10 14:38:30 -0800 | [diff] [blame] | 764 | boolean focusGrantDelayed = false; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 765 | if (!canReassignAudioFocus()) { |
Jean-Michel Trivi | fd6ad74 | 2014-11-10 14:38:30 -0800 | [diff] [blame] | 766 | if ((flags & AudioManager.AUDIOFOCUS_FLAG_DELAY_OK) == 0) { |
| 767 | return AudioManager.AUDIOFOCUS_REQUEST_FAILED; |
| 768 | } else { |
| 769 | // request has AUDIOFOCUS_FLAG_DELAY_OK: focus can't be |
| 770 | // granted right now, so the requester will be inserted in the focus stack |
| 771 | // to receive focus later |
| 772 | focusGrantDelayed = true; |
| 773 | } |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 774 | } |
| 775 | |
| 776 | // handle the potential premature death of the new holder of the focus |
| 777 | // (premature death == death before abandoning focus) |
| 778 | // Register for client death notification |
| 779 | AudioFocusDeathHandler afdh = new AudioFocusDeathHandler(cb); |
| 780 | try { |
| 781 | cb.linkToDeath(afdh, 0); |
| 782 | } catch (RemoteException e) { |
| 783 | // client has already died! |
| 784 | Log.w(TAG, "AudioFocus requestAudioFocus() could not link to "+cb+" binder death"); |
| 785 | return AudioManager.AUDIOFOCUS_REQUEST_FAILED; |
| 786 | } |
| 787 | |
Jean-Michel Trivi | 83283f2 | 2013-07-29 18:09:41 -0700 | [diff] [blame] | 788 | if (!mFocusStack.empty() && mFocusStack.peek().hasSameClient(clientId)) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 789 | // if focus is already owned by this client and the reason for acquiring the focus |
| 790 | // hasn't changed, don't do anything |
Jean-Michel Trivi | fd6ad74 | 2014-11-10 14:38:30 -0800 | [diff] [blame] | 791 | final FocusRequester fr = mFocusStack.peek(); |
| 792 | if (fr.getGainRequest() == focusChangeHint && fr.getGrantFlags() == flags) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 793 | // unlink death handler so it can be gc'ed. |
| 794 | // linkToDeath() creates a JNI global reference preventing collection. |
| 795 | cb.unlinkToDeath(afdh, 0); |
Jean-Michel Trivi | 0212be5 | 2014-11-24 14:43:10 -0800 | [diff] [blame] | 796 | notifyExtPolicyFocusGrant_syncAf(fr.toAudioFocusInfo(), |
| 797 | AudioManager.AUDIOFOCUS_REQUEST_GRANTED); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 798 | return AudioManager.AUDIOFOCUS_REQUEST_GRANTED; |
| 799 | } |
| 800 | // the reason for the audio focus request has changed: remove the current top of |
| 801 | // stack and respond as if we had a new focus owner |
Jean-Michel Trivi | fd6ad74 | 2014-11-10 14:38:30 -0800 | [diff] [blame] | 802 | if (!focusGrantDelayed) { |
| 803 | mFocusStack.pop(); |
| 804 | // the entry that was "popped" is the same that was "peeked" above |
| 805 | fr.release(); |
| 806 | } |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 807 | } |
| 808 | |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 809 | // focus requester might already be somewhere below in the stack, remove it |
Jean-Michel Trivi | 0212be5 | 2014-11-24 14:43:10 -0800 | [diff] [blame] | 810 | removeFocusStackEntry(clientId, false /* signal */, false /*notifyFocusFollowers*/); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 811 | |
Jean-Michel Trivi | fd6ad74 | 2014-11-10 14:38:30 -0800 | [diff] [blame] | 812 | final FocusRequester nfr = new FocusRequester(aa, focusChangeHint, flags, fd, cb, |
Jean-Michel Trivi | 0212be5 | 2014-11-24 14:43:10 -0800 | [diff] [blame] | 813 | clientId, afdh, callingPackageName, Binder.getCallingUid(), this); |
Jean-Michel Trivi | fd6ad74 | 2014-11-10 14:38:30 -0800 | [diff] [blame] | 814 | if (focusGrantDelayed) { |
| 815 | // focusGrantDelayed being true implies we can't reassign focus right now |
| 816 | // which implies the focus stack is not empty. |
Jean-Michel Trivi | 0212be5 | 2014-11-24 14:43:10 -0800 | [diff] [blame] | 817 | final int requestResult = pushBelowLockedFocusOwners(nfr); |
| 818 | if (requestResult != AudioManager.AUDIOFOCUS_REQUEST_FAILED) { |
| 819 | notifyExtPolicyFocusGrant_syncAf(nfr.toAudioFocusInfo(), requestResult); |
| 820 | } |
| 821 | return requestResult; |
Jean-Michel Trivi | fd6ad74 | 2014-11-10 14:38:30 -0800 | [diff] [blame] | 822 | } else { |
| 823 | // propagate the focus change through the stack |
| 824 | if (!mFocusStack.empty()) { |
| 825 | propagateFocusLossFromGain_syncAf(focusChangeHint); |
| 826 | } |
Jean-Michel Trivi | cbb212f | 2013-07-30 15:09:33 -0700 | [diff] [blame] | 827 | |
Jean-Michel Trivi | fd6ad74 | 2014-11-10 14:38:30 -0800 | [diff] [blame] | 828 | // push focus requester at the top of the audio focus stack |
| 829 | mFocusStack.push(nfr); |
| 830 | } |
Jean-Michel Trivi | 0212be5 | 2014-11-24 14:43:10 -0800 | [diff] [blame] | 831 | notifyExtPolicyFocusGrant_syncAf(nfr.toAudioFocusInfo(), |
| 832 | AudioManager.AUDIOFOCUS_REQUEST_GRANTED); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 833 | |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 834 | }//synchronized(mAudioFocusLock) |
| 835 | |
| 836 | return AudioManager.AUDIOFOCUS_REQUEST_GRANTED; |
| 837 | } |
| 838 | |
Jean-Michel Trivi | 958876f | 2014-11-16 15:40:22 -0800 | [diff] [blame] | 839 | /** |
| 840 | * @see AudioManager#abandonAudioFocus(AudioManager.OnAudioFocusChangeListener, AudioAttributes) |
| 841 | * */ |
| 842 | protected int abandonAudioFocus(IAudioFocusDispatcher fl, String clientId, AudioAttributes aa) { |
| 843 | // AudioAttributes are currently ignored, to be used for zones |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 844 | Log.i(TAG, " AudioFocus abandonAudioFocus() from " + clientId); |
| 845 | try { |
| 846 | // this will take care of notifying the new focus owner if needed |
| 847 | synchronized(mAudioFocusLock) { |
Jean-Michel Trivi | 0212be5 | 2014-11-24 14:43:10 -0800 | [diff] [blame] | 848 | removeFocusStackEntry(clientId, true /*signal*/, true /*notifyFocusFollowers*/); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 849 | } |
| 850 | } catch (java.util.ConcurrentModificationException cme) { |
| 851 | // Catching this exception here is temporary. It is here just to prevent |
| 852 | // a crash seen when the "Silent" notification is played. This is believed to be fixed |
| 853 | // but this try catch block is left just to be safe. |
| 854 | Log.e(TAG, "FATAL EXCEPTION AudioFocus abandonAudioFocus() caused " + cme); |
| 855 | cme.printStackTrace(); |
| 856 | } |
| 857 | |
| 858 | return AudioManager.AUDIOFOCUS_REQUEST_GRANTED; |
| 859 | } |
| 860 | |
| 861 | |
| 862 | protected void unregisterAudioFocusClient(String clientId) { |
| 863 | synchronized(mAudioFocusLock) { |
Jean-Michel Trivi | 0212be5 | 2014-11-24 14:43:10 -0800 | [diff] [blame] | 864 | removeFocusStackEntry(clientId, false, true /*notifyFocusFollowers*/); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 865 | } |
| 866 | } |
| 867 | |
| 868 | |
| 869 | //========================================================================================== |
| 870 | // RemoteControl |
| 871 | //========================================================================================== |
Jean-Michel Trivi | a83487e | 2013-09-17 21:19:30 -0700 | [diff] [blame] | 872 | /** |
| 873 | * No-op if the key code for keyEvent is not a valid media key |
| 874 | * (see {@link #isValidMediaKeyEvent(KeyEvent)}) |
| 875 | * @param keyEvent the key event to send |
| 876 | */ |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 877 | protected void dispatchMediaKeyEvent(KeyEvent keyEvent) { |
| 878 | filterMediaKeyEvent(keyEvent, false /*needWakeLock*/); |
| 879 | } |
| 880 | |
Jean-Michel Trivi | a83487e | 2013-09-17 21:19:30 -0700 | [diff] [blame] | 881 | /** |
| 882 | * No-op if the key code for keyEvent is not a valid media key |
| 883 | * (see {@link #isValidMediaKeyEvent(KeyEvent)}) |
| 884 | * @param keyEvent the key event to send |
| 885 | */ |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 886 | protected void dispatchMediaKeyEventUnderWakelock(KeyEvent keyEvent) { |
| 887 | filterMediaKeyEvent(keyEvent, true /*needWakeLock*/); |
| 888 | } |
| 889 | |
| 890 | private void filterMediaKeyEvent(KeyEvent keyEvent, boolean needWakeLock) { |
| 891 | // sanity check on the incoming key event |
| 892 | if (!isValidMediaKeyEvent(keyEvent)) { |
| 893 | Log.e(TAG, "not dispatching invalid media key event " + keyEvent); |
| 894 | return; |
| 895 | } |
| 896 | // event filtering for telephony |
| 897 | synchronized(mRingingLock) { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 898 | synchronized(mPRStack) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 899 | if ((mMediaReceiverForCalls != null) && |
| 900 | (mIsRinging || (mAudioService.getMode() == AudioSystem.MODE_IN_CALL))) { |
| 901 | dispatchMediaKeyEventForCalls(keyEvent, needWakeLock); |
| 902 | return; |
| 903 | } |
| 904 | } |
| 905 | } |
| 906 | // event filtering based on voice-based interactions |
| 907 | if (isValidVoiceInputKeyCode(keyEvent.getKeyCode())) { |
| 908 | filterVoiceInputKeyEvent(keyEvent, needWakeLock); |
| 909 | } else { |
| 910 | dispatchMediaKeyEvent(keyEvent, needWakeLock); |
| 911 | } |
| 912 | } |
| 913 | |
| 914 | /** |
| 915 | * Handles the dispatching of the media button events to the telephony package. |
| 916 | * Precondition: mMediaReceiverForCalls != null |
| 917 | * @param keyEvent a non-null KeyEvent whose key code is one of the supported media buttons |
| 918 | * @param needWakeLock true if a PARTIAL_WAKE_LOCK needs to be held while this key event |
| 919 | * is dispatched. |
| 920 | */ |
| 921 | private void dispatchMediaKeyEventForCalls(KeyEvent keyEvent, boolean needWakeLock) { |
| 922 | Intent keyIntent = new Intent(Intent.ACTION_MEDIA_BUTTON, null); |
| 923 | keyIntent.putExtra(Intent.EXTRA_KEY_EVENT, keyEvent); |
| 924 | keyIntent.setPackage(mMediaReceiverForCalls.getPackageName()); |
| 925 | if (needWakeLock) { |
| 926 | mMediaEventWakeLock.acquire(); |
| 927 | keyIntent.putExtra(EXTRA_WAKELOCK_ACQUIRED, WAKELOCK_RELEASE_ON_FINISHED); |
| 928 | } |
| 929 | final long ident = Binder.clearCallingIdentity(); |
| 930 | try { |
| 931 | mContext.sendOrderedBroadcastAsUser(keyIntent, UserHandle.ALL, |
| 932 | null, mKeyEventDone, mEventHandler, Activity.RESULT_OK, null, null); |
| 933 | } finally { |
| 934 | Binder.restoreCallingIdentity(ident); |
| 935 | } |
| 936 | } |
| 937 | |
| 938 | /** |
| 939 | * Handles the dispatching of the media button events to one of the registered listeners, |
| 940 | * or if there was none, broadcast an ACTION_MEDIA_BUTTON intent to the rest of the system. |
| 941 | * @param keyEvent a non-null KeyEvent whose key code is one of the supported media buttons |
| 942 | * @param needWakeLock true if a PARTIAL_WAKE_LOCK needs to be held while this key event |
| 943 | * is dispatched. |
| 944 | */ |
| 945 | private void dispatchMediaKeyEvent(KeyEvent keyEvent, boolean needWakeLock) { |
| 946 | if (needWakeLock) { |
| 947 | mMediaEventWakeLock.acquire(); |
| 948 | } |
| 949 | Intent keyIntent = new Intent(Intent.ACTION_MEDIA_BUTTON, null); |
| 950 | keyIntent.putExtra(Intent.EXTRA_KEY_EVENT, keyEvent); |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 951 | synchronized(mPRStack) { |
| 952 | if (!mPRStack.empty()) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 953 | // send the intent that was registered by the client |
| 954 | try { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 955 | mPRStack.peek().getMediaButtonIntent().send(mContext, |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 956 | needWakeLock ? WAKELOCK_RELEASE_ON_FINISHED : 0 /*code*/, |
| 957 | keyIntent, this, mEventHandler); |
| 958 | } catch (CanceledException e) { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 959 | Log.e(TAG, "Error sending pending intent " + mPRStack.peek()); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 960 | e.printStackTrace(); |
| 961 | } |
| 962 | } else { |
| 963 | // legacy behavior when nobody registered their media button event receiver |
| 964 | // through AudioManager |
| 965 | if (needWakeLock) { |
| 966 | keyIntent.putExtra(EXTRA_WAKELOCK_ACQUIRED, WAKELOCK_RELEASE_ON_FINISHED); |
| 967 | } |
| 968 | final long ident = Binder.clearCallingIdentity(); |
| 969 | try { |
| 970 | mContext.sendOrderedBroadcastAsUser(keyIntent, UserHandle.ALL, |
| 971 | null, mKeyEventDone, |
| 972 | mEventHandler, Activity.RESULT_OK, null, null); |
| 973 | } finally { |
| 974 | Binder.restoreCallingIdentity(ident); |
| 975 | } |
| 976 | } |
| 977 | } |
| 978 | } |
| 979 | |
| 980 | /** |
| 981 | * The different actions performed in response to a voice button key event. |
| 982 | */ |
| 983 | private final static int VOICEBUTTON_ACTION_DISCARD_CURRENT_KEY_PRESS = 1; |
| 984 | private final static int VOICEBUTTON_ACTION_START_VOICE_INPUT = 2; |
| 985 | private final static int VOICEBUTTON_ACTION_SIMULATE_KEY_PRESS = 3; |
| 986 | |
| 987 | private final Object mVoiceEventLock = new Object(); |
| 988 | private boolean mVoiceButtonDown; |
| 989 | private boolean mVoiceButtonHandled; |
| 990 | |
| 991 | /** |
| 992 | * Filter key events that may be used for voice-based interactions |
| 993 | * @param keyEvent a non-null KeyEvent whose key code is that of one of the supported |
| 994 | * media buttons that can be used to trigger voice-based interactions. |
| 995 | * @param needWakeLock true if a PARTIAL_WAKE_LOCK needs to be held while this key event |
| 996 | * is dispatched. |
| 997 | */ |
| 998 | private void filterVoiceInputKeyEvent(KeyEvent keyEvent, boolean needWakeLock) { |
| 999 | if (DEBUG_RC) { |
| 1000 | Log.v(TAG, "voice input key event: " + keyEvent + ", needWakeLock=" + needWakeLock); |
| 1001 | } |
| 1002 | |
| 1003 | int voiceButtonAction = VOICEBUTTON_ACTION_DISCARD_CURRENT_KEY_PRESS; |
| 1004 | int keyAction = keyEvent.getAction(); |
| 1005 | synchronized (mVoiceEventLock) { |
| 1006 | if (keyAction == KeyEvent.ACTION_DOWN) { |
| 1007 | if (keyEvent.getRepeatCount() == 0) { |
| 1008 | // initial down |
| 1009 | mVoiceButtonDown = true; |
| 1010 | mVoiceButtonHandled = false; |
| 1011 | } else if (mVoiceButtonDown && !mVoiceButtonHandled |
| 1012 | && (keyEvent.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) { |
| 1013 | // long-press, start voice-based interactions |
| 1014 | mVoiceButtonHandled = true; |
| 1015 | voiceButtonAction = VOICEBUTTON_ACTION_START_VOICE_INPUT; |
| 1016 | } |
| 1017 | } else if (keyAction == KeyEvent.ACTION_UP) { |
| 1018 | if (mVoiceButtonDown) { |
| 1019 | // voice button up |
| 1020 | mVoiceButtonDown = false; |
| 1021 | if (!mVoiceButtonHandled && !keyEvent.isCanceled()) { |
| 1022 | voiceButtonAction = VOICEBUTTON_ACTION_SIMULATE_KEY_PRESS; |
| 1023 | } |
| 1024 | } |
| 1025 | } |
| 1026 | }//synchronized (mVoiceEventLock) |
| 1027 | |
| 1028 | // take action after media button event filtering for voice-based interactions |
| 1029 | switch (voiceButtonAction) { |
| 1030 | case VOICEBUTTON_ACTION_DISCARD_CURRENT_KEY_PRESS: |
| 1031 | if (DEBUG_RC) Log.v(TAG, " ignore key event"); |
| 1032 | break; |
| 1033 | case VOICEBUTTON_ACTION_START_VOICE_INPUT: |
| 1034 | if (DEBUG_RC) Log.v(TAG, " start voice-based interactions"); |
| 1035 | // then start the voice-based interactions |
| 1036 | startVoiceBasedInteractions(needWakeLock); |
| 1037 | break; |
| 1038 | case VOICEBUTTON_ACTION_SIMULATE_KEY_PRESS: |
| 1039 | if (DEBUG_RC) Log.v(TAG, " send simulated key event, wakelock=" + needWakeLock); |
| 1040 | sendSimulatedMediaButtonEvent(keyEvent, needWakeLock); |
| 1041 | break; |
| 1042 | } |
| 1043 | } |
| 1044 | |
| 1045 | private void sendSimulatedMediaButtonEvent(KeyEvent originalKeyEvent, boolean needWakeLock) { |
| 1046 | // send DOWN event |
| 1047 | KeyEvent keyEvent = KeyEvent.changeAction(originalKeyEvent, KeyEvent.ACTION_DOWN); |
| 1048 | dispatchMediaKeyEvent(keyEvent, needWakeLock); |
| 1049 | // send UP event |
| 1050 | keyEvent = KeyEvent.changeAction(originalKeyEvent, KeyEvent.ACTION_UP); |
| 1051 | dispatchMediaKeyEvent(keyEvent, needWakeLock); |
| 1052 | |
| 1053 | } |
| 1054 | |
Jean-Michel Trivi | 7ddd226 | 2013-09-01 18:06:45 -0700 | [diff] [blame] | 1055 | private static boolean isValidMediaKeyEvent(KeyEvent keyEvent) { |
| 1056 | if (keyEvent == null) { |
| 1057 | return false; |
| 1058 | } |
RoboErik | 01fe661 | 2014-02-13 14:19:04 -0800 | [diff] [blame] | 1059 | return KeyEvent.isMediaKey(keyEvent.getKeyCode()); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1060 | } |
| 1061 | |
| 1062 | /** |
| 1063 | * Checks whether the given key code is one that can trigger the launch of voice-based |
| 1064 | * interactions. |
| 1065 | * @param keyCode the key code associated with the key event |
| 1066 | * @return true if the key is one of the supported voice-based interaction triggers |
| 1067 | */ |
| 1068 | private static boolean isValidVoiceInputKeyCode(int keyCode) { |
| 1069 | if (keyCode == KeyEvent.KEYCODE_HEADSETHOOK) { |
| 1070 | return true; |
| 1071 | } else { |
| 1072 | return false; |
| 1073 | } |
| 1074 | } |
| 1075 | |
| 1076 | /** |
| 1077 | * Tell the system to start voice-based interactions / voice commands |
| 1078 | */ |
| 1079 | private void startVoiceBasedInteractions(boolean needWakeLock) { |
| 1080 | Intent voiceIntent = null; |
| 1081 | // select which type of search to launch: |
| 1082 | // - screen on and device unlocked: action is ACTION_WEB_SEARCH |
| 1083 | // - device locked or screen off: action is ACTION_VOICE_SEARCH_HANDS_FREE |
| 1084 | // with EXTRA_SECURE set to true if the device is securely locked |
| 1085 | PowerManager pm = (PowerManager)mContext.getSystemService(Context.POWER_SERVICE); |
| 1086 | boolean isLocked = mKeyguardManager != null && mKeyguardManager.isKeyguardLocked(); |
| 1087 | if (!isLocked && pm.isScreenOn()) { |
| 1088 | voiceIntent = new Intent(android.speech.RecognizerIntent.ACTION_WEB_SEARCH); |
| 1089 | Log.i(TAG, "voice-based interactions: about to use ACTION_WEB_SEARCH"); |
| 1090 | } else { |
Dianne Hackborn | b6683c4 | 2015-06-18 17:40:33 -0700 | [diff] [blame] | 1091 | IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface( |
| 1092 | ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER)); |
| 1093 | if (dic != null) { |
| 1094 | try { |
| 1095 | dic.exitIdle("voice-search"); |
| 1096 | } catch (RemoteException e) { |
| 1097 | } |
| 1098 | } |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1099 | voiceIntent = new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE); |
| 1100 | voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, |
| 1101 | isLocked && mKeyguardManager.isKeyguardSecure()); |
| 1102 | Log.i(TAG, "voice-based interactions: about to use ACTION_VOICE_SEARCH_HANDS_FREE"); |
| 1103 | } |
| 1104 | // start the search activity |
| 1105 | if (needWakeLock) { |
| 1106 | mMediaEventWakeLock.acquire(); |
| 1107 | } |
Jean-Michel Trivi | dcd40c0 | 2013-07-22 16:46:42 -0700 | [diff] [blame] | 1108 | final long identity = Binder.clearCallingIdentity(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1109 | try { |
| 1110 | if (voiceIntent != null) { |
| 1111 | voiceIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK |
| 1112 | | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); |
Jean-Michel Trivi | dcd40c0 | 2013-07-22 16:46:42 -0700 | [diff] [blame] | 1113 | mContext.startActivityAsUser(voiceIntent, UserHandle.CURRENT); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1114 | } |
| 1115 | } catch (ActivityNotFoundException e) { |
| 1116 | Log.w(TAG, "No activity for search: " + e); |
| 1117 | } finally { |
Jean-Michel Trivi | dcd40c0 | 2013-07-22 16:46:42 -0700 | [diff] [blame] | 1118 | Binder.restoreCallingIdentity(identity); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1119 | if (needWakeLock) { |
| 1120 | mMediaEventWakeLock.release(); |
| 1121 | } |
| 1122 | } |
| 1123 | } |
| 1124 | |
| 1125 | private static final int WAKELOCK_RELEASE_ON_FINISHED = 1980; //magic number |
| 1126 | |
| 1127 | // only set when wakelock was acquired, no need to check value when received |
| 1128 | private static final String EXTRA_WAKELOCK_ACQUIRED = |
| 1129 | "android.media.AudioService.WAKELOCK_ACQUIRED"; |
| 1130 | |
| 1131 | public void onSendFinished(PendingIntent pendingIntent, Intent intent, |
| 1132 | int resultCode, String resultData, Bundle resultExtras) { |
| 1133 | if (resultCode == WAKELOCK_RELEASE_ON_FINISHED) { |
| 1134 | mMediaEventWakeLock.release(); |
| 1135 | } |
| 1136 | } |
| 1137 | |
| 1138 | BroadcastReceiver mKeyEventDone = new BroadcastReceiver() { |
| 1139 | public void onReceive(Context context, Intent intent) { |
| 1140 | if (intent == null) { |
| 1141 | return; |
| 1142 | } |
| 1143 | Bundle extras = intent.getExtras(); |
| 1144 | if (extras == null) { |
| 1145 | return; |
| 1146 | } |
| 1147 | if (extras.containsKey(EXTRA_WAKELOCK_ACQUIRED)) { |
| 1148 | mMediaEventWakeLock.release(); |
| 1149 | } |
| 1150 | } |
| 1151 | }; |
| 1152 | |
| 1153 | /** |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1154 | * Synchronization on mCurrentRcLock always inside a block synchronized on mPRStack |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1155 | */ |
| 1156 | private final Object mCurrentRcLock = new Object(); |
| 1157 | /** |
| 1158 | * The one remote control client which will receive a request for display information. |
| 1159 | * This object may be null. |
| 1160 | * Access protected by mCurrentRcLock. |
| 1161 | */ |
| 1162 | private IRemoteControlClient mCurrentRcClient = null; |
Jean-Michel Trivi | 86142da | 2013-09-29 13:03:58 -0700 | [diff] [blame] | 1163 | /** |
| 1164 | * The PendingIntent associated with mCurrentRcClient. Its value is irrelevant |
| 1165 | * if mCurrentRcClient is null |
| 1166 | */ |
| 1167 | private PendingIntent mCurrentRcClientIntent = null; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1168 | |
| 1169 | private final static int RC_INFO_NONE = 0; |
| 1170 | private final static int RC_INFO_ALL = |
| 1171 | RemoteControlClient.FLAG_INFORMATION_REQUEST_ALBUM_ART | |
| 1172 | RemoteControlClient.FLAG_INFORMATION_REQUEST_KEY_MEDIA | |
| 1173 | RemoteControlClient.FLAG_INFORMATION_REQUEST_METADATA | |
| 1174 | RemoteControlClient.FLAG_INFORMATION_REQUEST_PLAYSTATE; |
| 1175 | |
| 1176 | /** |
| 1177 | * A monotonically increasing generation counter for mCurrentRcClient. |
| 1178 | * Only accessed with a lock on mCurrentRcLock. |
| 1179 | * No value wrap-around issues as we only act on equal values. |
| 1180 | */ |
| 1181 | private int mCurrentRcClientGen = 0; |
| 1182 | |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1183 | |
| 1184 | /** |
| 1185 | * Internal cache for the playback information of the RemoteControlClient whose volume gets to |
| 1186 | * be controlled by the volume keys ("main"), so we don't have to iterate over the RC stack |
| 1187 | * every time we need this info. |
| 1188 | */ |
| 1189 | private RemotePlaybackState mMainRemote; |
| 1190 | /** |
| 1191 | * Indicates whether the "main" RemoteControlClient is considered active. |
| 1192 | * Use synchronized on mMainRemote. |
| 1193 | */ |
| 1194 | private boolean mMainRemoteIsActive; |
| 1195 | /** |
| 1196 | * Indicates whether there is remote playback going on. True even if there is no "active" |
| 1197 | * remote playback (mMainRemoteIsActive is false), but a RemoteControlClient has declared it |
| 1198 | * handles remote playback. |
| 1199 | * Use synchronized on mMainRemote. |
| 1200 | */ |
| 1201 | private boolean mHasRemotePlayback; |
| 1202 | |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1203 | /** |
Jean-Michel Trivi | f51e113 | 2014-04-10 15:05:44 -0700 | [diff] [blame] | 1204 | * The stack of remote control event receivers. |
| 1205 | * All read and write operations on mPRStack are synchronized. |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1206 | */ |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1207 | private final Stack<PlayerRecord> mPRStack = new Stack<PlayerRecord>(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1208 | |
| 1209 | /** |
| 1210 | * The component the telephony package can register so telephony calls have priority to |
| 1211 | * handle media button events |
| 1212 | */ |
| 1213 | private ComponentName mMediaReceiverForCalls = null; |
| 1214 | |
| 1215 | /** |
| 1216 | * Helper function: |
| 1217 | * Display in the log the current entries in the remote control focus stack |
| 1218 | */ |
| 1219 | private void dumpRCStack(PrintWriter pw) { |
| 1220 | pw.println("\nRemote Control stack entries (last is top of stack):"); |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1221 | synchronized(mPRStack) { |
| 1222 | Iterator<PlayerRecord> stackIterator = mPRStack.iterator(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1223 | while(stackIterator.hasNext()) { |
Jean-Michel Trivi | 7d3168c | 2014-03-25 10:41:24 -0700 | [diff] [blame] | 1224 | stackIterator.next().dump(pw, true); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1225 | } |
| 1226 | } |
| 1227 | } |
| 1228 | |
| 1229 | /** |
| 1230 | * Helper function: |
| 1231 | * Display in the log the current entries in the remote control stack, focusing |
| 1232 | * on RemoteControlClient data |
| 1233 | */ |
| 1234 | private void dumpRCCStack(PrintWriter pw) { |
| 1235 | pw.println("\nRemote Control Client stack entries (last is top of stack):"); |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1236 | synchronized(mPRStack) { |
| 1237 | Iterator<PlayerRecord> stackIterator = mPRStack.iterator(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1238 | while(stackIterator.hasNext()) { |
Jean-Michel Trivi | 7d3168c | 2014-03-25 10:41:24 -0700 | [diff] [blame] | 1239 | stackIterator.next().dump(pw, false); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1240 | } |
| 1241 | synchronized(mCurrentRcLock) { |
| 1242 | pw.println("\nCurrent remote control generation ID = " + mCurrentRcClientGen); |
| 1243 | } |
| 1244 | } |
| 1245 | synchronized (mMainRemote) { |
| 1246 | pw.println("\nRemote Volume State:"); |
| 1247 | pw.println(" has remote: " + mHasRemotePlayback); |
| 1248 | pw.println(" is remote active: " + mMainRemoteIsActive); |
| 1249 | pw.println(" rccId: " + mMainRemote.mRccId); |
| 1250 | pw.println(" volume handling: " |
| 1251 | + ((mMainRemote.mVolumeHandling == RemoteControlClient.PLAYBACK_VOLUME_FIXED) ? |
| 1252 | "PLAYBACK_VOLUME_FIXED(0)" : "PLAYBACK_VOLUME_VARIABLE(1)")); |
| 1253 | pw.println(" volume: " + mMainRemote.mVolume); |
| 1254 | pw.println(" volume steps: " + mMainRemote.mVolumeMax); |
| 1255 | } |
| 1256 | } |
| 1257 | |
| 1258 | /** |
| 1259 | * Helper function: |
| 1260 | * Display in the log the current entries in the list of remote control displays |
| 1261 | */ |
| 1262 | private void dumpRCDList(PrintWriter pw) { |
| 1263 | pw.println("\nRemote Control Display list entries:"); |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1264 | synchronized(mPRStack) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1265 | final Iterator<DisplayInfoForServer> displayIterator = mRcDisplays.iterator(); |
| 1266 | while (displayIterator.hasNext()) { |
RoboErik | 01fe661 | 2014-02-13 14:19:04 -0800 | [diff] [blame] | 1267 | final DisplayInfoForServer di = displayIterator.next(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1268 | pw.println(" IRCD: " + di.mRcDisplay + |
| 1269 | " -- w:" + di.mArtworkExpectedWidth + |
Jean-Michel Trivi | f108cdd9 | 2013-09-27 18:37:36 -0700 | [diff] [blame] | 1270 | " -- h:" + di.mArtworkExpectedHeight + |
| 1271 | " -- wantsPosSync:" + di.mWantsPositionSync + |
| 1272 | " -- " + (di.mEnabled ? "enabled" : "disabled")); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1273 | } |
| 1274 | } |
| 1275 | } |
| 1276 | |
| 1277 | /** |
| 1278 | * Helper function: |
Jean-Michel Trivi | 8be88d1 | 2014-04-10 15:00:35 -0700 | [diff] [blame] | 1279 | * Push the new media button receiver "near" the top of the PlayerRecord stack. |
| 1280 | * "Near the top" is defined as: |
| 1281 | * - at the top if the current PlayerRecord at the top is not playing |
| 1282 | * - below the entries at the top of the stack that correspond to the playing PlayerRecord |
| 1283 | * otherwise |
Jean-Michel Trivi | b416838 | 2014-04-08 15:13:57 -0700 | [diff] [blame] | 1284 | * Called synchronized on mPRStack |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1285 | * precondition: mediaIntent != null |
Jean-Michel Trivi | 8be88d1 | 2014-04-10 15:00:35 -0700 | [diff] [blame] | 1286 | * @return true if the top of mPRStack was changed, false otherwise |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1287 | */ |
Jean-Michel Trivi | b416838 | 2014-04-08 15:13:57 -0700 | [diff] [blame] | 1288 | private boolean pushMediaButtonReceiver_syncPrs(PendingIntent mediaIntent, |
Jean-Michel Trivi | 0b60534 | 2013-10-23 14:48:12 -0700 | [diff] [blame] | 1289 | ComponentName target, IBinder token) { |
Jean-Michel Trivi | 8be88d1 | 2014-04-10 15:00:35 -0700 | [diff] [blame] | 1290 | if (mPRStack.empty()) { |
| 1291 | mPRStack.push(new PlayerRecord(mediaIntent, target, token)); |
| 1292 | return true; |
| 1293 | } else if (mPRStack.peek().hasMatchingMediaButtonIntent(mediaIntent)) { |
| 1294 | // already at top of stack |
Jean-Michel Trivi | 0b60534 | 2013-10-23 14:48:12 -0700 | [diff] [blame] | 1295 | return false; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1296 | } |
| 1297 | if (mAppOps.noteOp(AppOpsManager.OP_TAKE_MEDIA_BUTTONS, Binder.getCallingUid(), |
| 1298 | mediaIntent.getCreatorPackage()) != AppOpsManager.MODE_ALLOWED) { |
Jean-Michel Trivi | 0b60534 | 2013-10-23 14:48:12 -0700 | [diff] [blame] | 1299 | return false; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1300 | } |
Jean-Michel Trivi | 8be88d1 | 2014-04-10 15:00:35 -0700 | [diff] [blame] | 1301 | PlayerRecord oldTopPrse = mPRStack.lastElement(); // top of the stack before any changes |
| 1302 | boolean topChanged = false; |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1303 | PlayerRecord prse = null; |
Jean-Michel Trivi | 8be88d1 | 2014-04-10 15:00:35 -0700 | [diff] [blame] | 1304 | int lastPlayingIndex = mPRStack.size(); |
| 1305 | int inStackIndex = -1; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1306 | try { |
Jean-Michel Trivi | 8be88d1 | 2014-04-10 15:00:35 -0700 | [diff] [blame] | 1307 | // go through the stack from the top to figure out who's playing, and the position |
| 1308 | // of this media button receiver (note that it may not be in the stack) |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1309 | for (int index = mPRStack.size()-1; index >= 0; index--) { |
| 1310 | prse = mPRStack.elementAt(index); |
Jean-Michel Trivi | 8be88d1 | 2014-04-10 15:00:35 -0700 | [diff] [blame] | 1311 | if (prse.isPlaybackActive()) { |
| 1312 | lastPlayingIndex = index; |
| 1313 | } |
| 1314 | if (prse.hasMatchingMediaButtonIntent(mediaIntent)) { |
| 1315 | inStackIndex = index; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1316 | } |
| 1317 | } |
Jean-Michel Trivi | 8be88d1 | 2014-04-10 15:00:35 -0700 | [diff] [blame] | 1318 | |
| 1319 | if (inStackIndex == -1) { |
| 1320 | // is not in stack |
| 1321 | prse = new PlayerRecord(mediaIntent, target, token); |
| 1322 | // it's new so it's not playing (no RemoteControlClient to give a playstate), |
| 1323 | // therefore it goes after the ones with active playback |
| 1324 | mPRStack.add(lastPlayingIndex, prse); |
| 1325 | } else { |
| 1326 | // is in the stack |
| 1327 | if (mPRStack.size() > 1) { // no need to remove and add if stack contains only 1 |
| 1328 | prse = mPRStack.elementAt(inStackIndex); |
| 1329 | // remove it from its old location in the stack |
| 1330 | mPRStack.removeElementAt(inStackIndex); |
| 1331 | if (prse.isPlaybackActive()) { |
| 1332 | // and put it at the top |
| 1333 | mPRStack.push(prse); |
| 1334 | } else { |
| 1335 | // and put it after the ones with active playback |
Jean-Michel Trivi | 0d90876 | 2014-04-29 16:11:36 -0700 | [diff] [blame] | 1336 | if (inStackIndex > lastPlayingIndex) { |
| 1337 | mPRStack.add(lastPlayingIndex, prse); |
| 1338 | } else { |
| 1339 | mPRStack.add(lastPlayingIndex - 1, prse); |
| 1340 | } |
Jean-Michel Trivi | 8be88d1 | 2014-04-10 15:00:35 -0700 | [diff] [blame] | 1341 | } |
| 1342 | } |
| 1343 | } |
| 1344 | |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1345 | } catch (ArrayIndexOutOfBoundsException e) { |
Jean-Michel Trivi | 8be88d1 | 2014-04-10 15:00:35 -0700 | [diff] [blame] | 1346 | // not expected to happen, indicates improper concurrent modification or bad index |
| 1347 | Log.e(TAG, "Wrong index (inStack=" + inStackIndex + " lastPlaying=" + lastPlayingIndex |
| 1348 | + " size=" + mPRStack.size() |
| 1349 | + " accessing media button stack", e); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1350 | } |
Jean-Michel Trivi | 0b60534 | 2013-10-23 14:48:12 -0700 | [diff] [blame] | 1351 | |
Jean-Michel Trivi | 8be88d1 | 2014-04-10 15:00:35 -0700 | [diff] [blame] | 1352 | return (topChanged); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1353 | } |
| 1354 | |
| 1355 | /** |
| 1356 | * Helper function: |
| 1357 | * Remove the remote control receiver from the RC focus stack. |
Jean-Michel Trivi | b416838 | 2014-04-08 15:13:57 -0700 | [diff] [blame] | 1358 | * Called synchronized on mPRStack |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1359 | * precondition: pi != null |
| 1360 | */ |
Jean-Michel Trivi | b416838 | 2014-04-08 15:13:57 -0700 | [diff] [blame] | 1361 | private void removeMediaButtonReceiver_syncPrs(PendingIntent pi) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1362 | try { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1363 | for (int index = mPRStack.size()-1; index >= 0; index--) { |
| 1364 | final PlayerRecord prse = mPRStack.elementAt(index); |
| 1365 | if (prse.hasMatchingMediaButtonIntent(pi)) { |
| 1366 | prse.destroy(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1367 | // ok to remove element while traversing the stack since we're leaving the loop |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1368 | mPRStack.removeElementAt(index); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1369 | break; |
| 1370 | } |
| 1371 | } |
| 1372 | } catch (ArrayIndexOutOfBoundsException e) { |
| 1373 | // not expected to happen, indicates improper concurrent modification |
| 1374 | Log.e(TAG, "Wrong index accessing media button stack, lock error? ", e); |
| 1375 | } |
| 1376 | } |
| 1377 | |
| 1378 | /** |
| 1379 | * Helper function: |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1380 | * Called synchronized on mPRStack |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1381 | */ |
| 1382 | private boolean isCurrentRcController(PendingIntent pi) { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1383 | if (!mPRStack.empty() && mPRStack.peek().hasMatchingMediaButtonIntent(pi)) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1384 | return true; |
| 1385 | } |
| 1386 | return false; |
| 1387 | } |
| 1388 | |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1389 | //========================================================================================== |
| 1390 | // Remote control display / client |
| 1391 | //========================================================================================== |
| 1392 | /** |
| 1393 | * Update the remote control displays with the new "focused" client generation |
| 1394 | */ |
| 1395 | private void setNewRcClientOnDisplays_syncRcsCurrc(int newClientGeneration, |
| 1396 | PendingIntent newMediaIntent, boolean clearing) { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1397 | synchronized(mPRStack) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1398 | if (mRcDisplays.size() > 0) { |
| 1399 | final Iterator<DisplayInfoForServer> displayIterator = mRcDisplays.iterator(); |
| 1400 | while (displayIterator.hasNext()) { |
| 1401 | final DisplayInfoForServer di = displayIterator.next(); |
| 1402 | try { |
| 1403 | di.mRcDisplay.setCurrentClientId( |
| 1404 | newClientGeneration, newMediaIntent, clearing); |
| 1405 | } catch (RemoteException e) { |
| 1406 | Log.e(TAG, "Dead display in setNewRcClientOnDisplays_syncRcsCurrc()",e); |
| 1407 | di.release(); |
| 1408 | displayIterator.remove(); |
| 1409 | } |
| 1410 | } |
| 1411 | } |
| 1412 | } |
| 1413 | } |
| 1414 | |
| 1415 | /** |
| 1416 | * Update the remote control clients with the new "focused" client generation |
| 1417 | */ |
| 1418 | private void setNewRcClientGenerationOnClients_syncRcsCurrc(int newClientGeneration) { |
| 1419 | // (using an iterator on the stack so we can safely remove an entry if needed, |
| 1420 | // traversal order doesn't matter here as we update all entries) |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1421 | Iterator<PlayerRecord> stackIterator = mPRStack.iterator(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1422 | while(stackIterator.hasNext()) { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1423 | PlayerRecord se = stackIterator.next(); |
Jean-Michel Trivi | 7d3168c | 2014-03-25 10:41:24 -0700 | [diff] [blame] | 1424 | if ((se != null) && (se.getRcc() != null)) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1425 | try { |
Jean-Michel Trivi | 7d3168c | 2014-03-25 10:41:24 -0700 | [diff] [blame] | 1426 | se.getRcc().setCurrentClientGenerationId(newClientGeneration); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1427 | } catch (RemoteException e) { |
| 1428 | Log.w(TAG, "Dead client in setNewRcClientGenerationOnClients_syncRcsCurrc()",e); |
| 1429 | stackIterator.remove(); |
| 1430 | se.unlinkToRcClientDeath(); |
| 1431 | } |
| 1432 | } |
| 1433 | } |
| 1434 | } |
| 1435 | |
| 1436 | /** |
| 1437 | * Update the displays and clients with the new "focused" client generation and name |
| 1438 | * @param newClientGeneration the new generation value matching a client update |
| 1439 | * @param newMediaIntent the media button event receiver associated with the client. |
| 1440 | * May be null, which implies there is no registered media button event receiver. |
| 1441 | * @param clearing true if the new client generation value maps to a remote control update |
| 1442 | * where the display should be cleared. |
| 1443 | */ |
| 1444 | private void setNewRcClient_syncRcsCurrc(int newClientGeneration, |
| 1445 | PendingIntent newMediaIntent, boolean clearing) { |
| 1446 | // send the new valid client generation ID to all displays |
| 1447 | setNewRcClientOnDisplays_syncRcsCurrc(newClientGeneration, newMediaIntent, clearing); |
| 1448 | // send the new valid client generation ID to all clients |
| 1449 | setNewRcClientGenerationOnClients_syncRcsCurrc(newClientGeneration); |
| 1450 | } |
| 1451 | |
| 1452 | /** |
| 1453 | * Called when processing MSG_RCDISPLAY_CLEAR event |
| 1454 | */ |
| 1455 | private void onRcDisplayClear() { |
| 1456 | if (DEBUG_RC) Log.i(TAG, "Clear remote control display"); |
| 1457 | |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1458 | synchronized(mPRStack) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1459 | synchronized(mCurrentRcLock) { |
| 1460 | mCurrentRcClientGen++; |
| 1461 | // synchronously update the displays and clients with the new client generation |
| 1462 | setNewRcClient_syncRcsCurrc(mCurrentRcClientGen, |
| 1463 | null /*newMediaIntent*/, true /*clearing*/); |
| 1464 | } |
| 1465 | } |
| 1466 | } |
| 1467 | |
| 1468 | /** |
| 1469 | * Called when processing MSG_RCDISPLAY_UPDATE event |
| 1470 | */ |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1471 | private void onRcDisplayUpdate(PlayerRecord prse, int flags /* USED ?*/) { |
| 1472 | synchronized(mPRStack) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1473 | synchronized(mCurrentRcLock) { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1474 | if ((mCurrentRcClient != null) && (mCurrentRcClient.equals(prse.getRcc()))) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1475 | if (DEBUG_RC) Log.i(TAG, "Display/update remote control "); |
| 1476 | |
| 1477 | mCurrentRcClientGen++; |
| 1478 | // synchronously update the displays and clients with |
| 1479 | // the new client generation |
| 1480 | setNewRcClient_syncRcsCurrc(mCurrentRcClientGen, |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1481 | prse.getMediaButtonIntent() /*newMediaIntent*/, |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1482 | false /*clearing*/); |
| 1483 | |
| 1484 | // tell the current client that it needs to send info |
| 1485 | try { |
Jean-Michel Trivi | 86142da | 2013-09-29 13:03:58 -0700 | [diff] [blame] | 1486 | //TODO change name to informationRequestForAllDisplays() |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1487 | mCurrentRcClient.onInformationRequested(mCurrentRcClientGen, flags); |
| 1488 | } catch (RemoteException e) { |
| 1489 | Log.e(TAG, "Current valid remote client is dead: "+e); |
| 1490 | mCurrentRcClient = null; |
| 1491 | } |
| 1492 | } else { |
| 1493 | // the remote control display owner has changed between the |
| 1494 | // the message to update the display was sent, and the time it |
| 1495 | // gets to be processed (now) |
| 1496 | } |
| 1497 | } |
| 1498 | } |
| 1499 | } |
| 1500 | |
Jean-Michel Trivi | 86142da | 2013-09-29 13:03:58 -0700 | [diff] [blame] | 1501 | /** |
| 1502 | * Called when processing MSG_RCDISPLAY_INIT_INFO event |
| 1503 | * Causes the current RemoteControlClient to send its info (metadata, playstate...) to |
| 1504 | * a single RemoteControlDisplay, NOT all of them, as with MSG_RCDISPLAY_UPDATE. |
| 1505 | */ |
| 1506 | private void onRcDisplayInitInfo(IRemoteControlDisplay newRcd, int w, int h) { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1507 | synchronized(mPRStack) { |
Jean-Michel Trivi | 86142da | 2013-09-29 13:03:58 -0700 | [diff] [blame] | 1508 | synchronized(mCurrentRcLock) { |
| 1509 | if (mCurrentRcClient != null) { |
| 1510 | if (DEBUG_RC) { Log.i(TAG, "Init RCD with current info"); } |
| 1511 | try { |
| 1512 | // synchronously update the new RCD with the current client generation |
| 1513 | // and matching PendingIntent |
| 1514 | newRcd.setCurrentClientId(mCurrentRcClientGen, mCurrentRcClientIntent, |
| 1515 | false); |
| 1516 | |
| 1517 | // tell the current RCC that it needs to send info, but only to the new RCD |
| 1518 | try { |
| 1519 | mCurrentRcClient.informationRequestForDisplay(newRcd, w, h); |
| 1520 | } catch (RemoteException e) { |
| 1521 | Log.e(TAG, "Current valid remote client is dead: ", e); |
| 1522 | mCurrentRcClient = null; |
| 1523 | } |
| 1524 | } catch (RemoteException e) { |
| 1525 | Log.e(TAG, "Dead display in onRcDisplayInitInfo()", e); |
| 1526 | } |
| 1527 | } |
| 1528 | } |
| 1529 | } |
| 1530 | } |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1531 | |
| 1532 | /** |
| 1533 | * Helper function: |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1534 | * Called synchronized on mPRStack |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1535 | */ |
Jean-Michel Trivi | b416838 | 2014-04-08 15:13:57 -0700 | [diff] [blame] | 1536 | private void clearRemoteControlDisplay_syncPrs() { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1537 | synchronized(mCurrentRcLock) { |
| 1538 | mCurrentRcClient = null; |
| 1539 | } |
| 1540 | // will cause onRcDisplayClear() to be called in AudioService's handler thread |
| 1541 | mEventHandler.sendMessage( mEventHandler.obtainMessage(MSG_RCDISPLAY_CLEAR) ); |
| 1542 | } |
| 1543 | |
| 1544 | /** |
| 1545 | * Helper function for code readability: only to be called from |
Jean-Michel Trivi | b416838 | 2014-04-08 15:13:57 -0700 | [diff] [blame] | 1546 | * checkUpdateRemoteControlDisplay_syncPrs() which checks the preconditions for |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1547 | * this method. |
| 1548 | * Preconditions: |
Jean-Michel Trivi | b416838 | 2014-04-08 15:13:57 -0700 | [diff] [blame] | 1549 | * - called synchronized on mPRStack |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1550 | * - mPRStack.isEmpty() is false |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1551 | */ |
Jean-Michel Trivi | b416838 | 2014-04-08 15:13:57 -0700 | [diff] [blame] | 1552 | private void updateRemoteControlDisplay_syncPrs(int infoChangedFlags) { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1553 | PlayerRecord prse = mPRStack.peek(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1554 | int infoFlagsAboutToBeUsed = infoChangedFlags; |
| 1555 | // this is where we enforce opt-in for information display on the remote controls |
| 1556 | // with the new AudioManager.registerRemoteControlClient() API |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1557 | if (prse.getRcc() == null) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1558 | //Log.w(TAG, "Can't update remote control display with null remote control client"); |
Jean-Michel Trivi | b416838 | 2014-04-08 15:13:57 -0700 | [diff] [blame] | 1559 | clearRemoteControlDisplay_syncPrs(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1560 | return; |
| 1561 | } |
| 1562 | synchronized(mCurrentRcLock) { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1563 | if (!prse.getRcc().equals(mCurrentRcClient)) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1564 | // new RC client, assume every type of information shall be queried |
| 1565 | infoFlagsAboutToBeUsed = RC_INFO_ALL; |
| 1566 | } |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1567 | mCurrentRcClient = prse.getRcc(); |
| 1568 | mCurrentRcClientIntent = prse.getMediaButtonIntent(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1569 | } |
| 1570 | // will cause onRcDisplayUpdate() to be called in AudioService's handler thread |
| 1571 | mEventHandler.sendMessage( mEventHandler.obtainMessage(MSG_RCDISPLAY_UPDATE, |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1572 | infoFlagsAboutToBeUsed /* arg1 */, 0, prse /* obj, != null */) ); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1573 | } |
| 1574 | |
| 1575 | /** |
| 1576 | * Helper function: |
Jean-Michel Trivi | b416838 | 2014-04-08 15:13:57 -0700 | [diff] [blame] | 1577 | * Called synchronized on mPRStack |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1578 | * Check whether the remote control display should be updated, triggers the update if required |
| 1579 | * @param infoChangedFlags the flags corresponding to the remote control client information |
| 1580 | * that has changed, if applicable (checking for the update conditions might trigger a |
| 1581 | * clear, rather than an update event). |
| 1582 | */ |
Jean-Michel Trivi | b416838 | 2014-04-08 15:13:57 -0700 | [diff] [blame] | 1583 | private void checkUpdateRemoteControlDisplay_syncPrs(int infoChangedFlags) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1584 | // determine whether the remote control display should be refreshed |
Jean-Michel Trivi | b416838 | 2014-04-08 15:13:57 -0700 | [diff] [blame] | 1585 | // if the player record stack is empty, there is nothing to display, so clear the RC display |
| 1586 | if (mPRStack.isEmpty()) { |
| 1587 | clearRemoteControlDisplay_syncPrs(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1588 | return; |
| 1589 | } |
| 1590 | |
Jean-Michel Trivi | b416838 | 2014-04-08 15:13:57 -0700 | [diff] [blame] | 1591 | // this is where more rules for refresh go |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1592 | |
| 1593 | // refresh conditions were verified: update the remote controls |
Jean-Michel Trivi | b416838 | 2014-04-08 15:13:57 -0700 | [diff] [blame] | 1594 | // ok to call: synchronized on mPRStack, mPRStack is not empty |
| 1595 | updateRemoteControlDisplay_syncPrs(infoChangedFlags); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1596 | } |
| 1597 | |
| 1598 | /** |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1599 | * see AudioManager.registerMediaButtonIntent(PendingIntent pi, ComponentName c) |
| 1600 | * precondition: mediaIntent != null |
| 1601 | */ |
| 1602 | protected void registerMediaButtonIntent(PendingIntent mediaIntent, ComponentName eventReceiver, |
| 1603 | IBinder token) { |
| 1604 | Log.i(TAG, " Remote Control registerMediaButtonIntent() for " + mediaIntent); |
| 1605 | |
Jean-Michel Trivi | b416838 | 2014-04-08 15:13:57 -0700 | [diff] [blame] | 1606 | synchronized(mPRStack) { |
| 1607 | if (pushMediaButtonReceiver_syncPrs(mediaIntent, eventReceiver, token)) { |
| 1608 | // new RC client, assume every type of information shall be queried |
| 1609 | checkUpdateRemoteControlDisplay_syncPrs(RC_INFO_ALL); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1610 | } |
| 1611 | } |
| 1612 | } |
| 1613 | |
| 1614 | /** |
| 1615 | * see AudioManager.unregisterMediaButtonIntent(PendingIntent mediaIntent) |
| 1616 | * precondition: mediaIntent != null, eventReceiver != null |
| 1617 | */ |
| 1618 | protected void unregisterMediaButtonIntent(PendingIntent mediaIntent) |
| 1619 | { |
| 1620 | Log.i(TAG, " Remote Control unregisterMediaButtonIntent() for " + mediaIntent); |
| 1621 | |
Jean-Michel Trivi | b416838 | 2014-04-08 15:13:57 -0700 | [diff] [blame] | 1622 | synchronized(mPRStack) { |
| 1623 | boolean topOfStackWillChange = isCurrentRcController(mediaIntent); |
| 1624 | removeMediaButtonReceiver_syncPrs(mediaIntent); |
| 1625 | if (topOfStackWillChange) { |
| 1626 | // current RC client will change, assume every type of info needs to be queried |
| 1627 | checkUpdateRemoteControlDisplay_syncPrs(RC_INFO_ALL); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1628 | } |
| 1629 | } |
| 1630 | } |
| 1631 | |
Jean-Michel Trivi | 223fd63 | 2014-03-24 11:00:13 -0700 | [diff] [blame] | 1632 | protected void unregisterMediaButtonIntentAsync(final PendingIntent mediaIntent) { |
| 1633 | mEventHandler.sendMessage( |
| 1634 | mEventHandler.obtainMessage(MSG_UNREGISTER_MEDIABUTTONINTENT, 0, 0, |
| 1635 | mediaIntent)); |
| 1636 | } |
| 1637 | |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1638 | /** |
| 1639 | * see AudioManager.registerMediaButtonEventReceiverForCalls(ComponentName c) |
| 1640 | * precondition: c != null |
| 1641 | */ |
| 1642 | protected void registerMediaButtonEventReceiverForCalls(ComponentName c) { |
| 1643 | if (mContext.checkCallingPermission("android.permission.MODIFY_PHONE_STATE") |
| 1644 | != PackageManager.PERMISSION_GRANTED) { |
| 1645 | Log.e(TAG, "Invalid permissions to register media button receiver for calls"); |
| 1646 | return; |
| 1647 | } |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1648 | synchronized(mPRStack) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1649 | mMediaReceiverForCalls = c; |
| 1650 | } |
| 1651 | } |
| 1652 | |
| 1653 | /** |
| 1654 | * see AudioManager.unregisterMediaButtonEventReceiverForCalls() |
| 1655 | */ |
| 1656 | protected void unregisterMediaButtonEventReceiverForCalls() { |
| 1657 | if (mContext.checkCallingPermission("android.permission.MODIFY_PHONE_STATE") |
| 1658 | != PackageManager.PERMISSION_GRANTED) { |
| 1659 | Log.e(TAG, "Invalid permissions to unregister media button receiver for calls"); |
| 1660 | return; |
| 1661 | } |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1662 | synchronized(mPRStack) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1663 | mMediaReceiverForCalls = null; |
| 1664 | } |
| 1665 | } |
| 1666 | |
| 1667 | /** |
| 1668 | * see AudioManager.registerRemoteControlClient(ComponentName eventReceiver, ...) |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1669 | * @return the unique ID of the PlayerRecord associated with the RemoteControlClient |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1670 | * Note: using this method with rcClient == null is a way to "disable" the IRemoteControlClient |
| 1671 | * without modifying the RC stack, but while still causing the display to refresh (will |
| 1672 | * become blank as a result of this) |
| 1673 | */ |
| 1674 | protected int registerRemoteControlClient(PendingIntent mediaIntent, |
| 1675 | IRemoteControlClient rcClient, String callingPackageName) { |
| 1676 | if (DEBUG_RC) Log.i(TAG, "Register remote control client rcClient="+rcClient); |
| 1677 | int rccId = RemoteControlClient.RCSE_ID_UNREGISTERED; |
Jean-Michel Trivi | b416838 | 2014-04-08 15:13:57 -0700 | [diff] [blame] | 1678 | synchronized(mPRStack) { |
| 1679 | // store the new display information |
| 1680 | try { |
| 1681 | for (int index = mPRStack.size()-1; index >= 0; index--) { |
| 1682 | final PlayerRecord prse = mPRStack.elementAt(index); |
| 1683 | if(prse.hasMatchingMediaButtonIntent(mediaIntent)) { |
| 1684 | prse.resetControllerInfoForRcc(rcClient, callingPackageName, |
| 1685 | Binder.getCallingUid()); |
Jean-Michel Trivi | 7d3168c | 2014-03-25 10:41:24 -0700 | [diff] [blame] | 1686 | |
Jean-Michel Trivi | b416838 | 2014-04-08 15:13:57 -0700 | [diff] [blame] | 1687 | if (rcClient == null) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1688 | break; |
| 1689 | } |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1690 | |
Jean-Michel Trivi | b416838 | 2014-04-08 15:13:57 -0700 | [diff] [blame] | 1691 | rccId = prse.getRccId(); |
| 1692 | |
| 1693 | // there is a new (non-null) client: |
| 1694 | // give the new client the displays (if any) |
| 1695 | if (mRcDisplays.size() > 0) { |
| 1696 | plugRemoteControlDisplaysIntoClient_syncPrs(prse.getRcc()); |
| 1697 | } |
| 1698 | break; |
| 1699 | } |
| 1700 | }//for |
| 1701 | } catch (ArrayIndexOutOfBoundsException e) { |
| 1702 | // not expected to happen, indicates improper concurrent modification |
| 1703 | Log.e(TAG, "Wrong index accessing RC stack, lock error? ", e); |
| 1704 | } |
| 1705 | |
| 1706 | // if the eventReceiver is at the top of the stack |
| 1707 | // then check for potential refresh of the remote controls |
| 1708 | if (isCurrentRcController(mediaIntent)) { |
| 1709 | checkUpdateRemoteControlDisplay_syncPrs(RC_INFO_ALL); |
| 1710 | } |
| 1711 | }//synchronized(mPRStack) |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1712 | return rccId; |
| 1713 | } |
| 1714 | |
| 1715 | /** |
| 1716 | * see AudioManager.unregisterRemoteControlClient(PendingIntent pi, ...) |
| 1717 | * rcClient is guaranteed non-null |
| 1718 | */ |
| 1719 | protected void unregisterRemoteControlClient(PendingIntent mediaIntent, |
| 1720 | IRemoteControlClient rcClient) { |
| 1721 | if (DEBUG_RC) Log.i(TAG, "Unregister remote control client rcClient="+rcClient); |
Jean-Michel Trivi | b416838 | 2014-04-08 15:13:57 -0700 | [diff] [blame] | 1722 | synchronized(mPRStack) { |
| 1723 | boolean topRccChange = false; |
| 1724 | try { |
| 1725 | for (int index = mPRStack.size()-1; index >= 0; index--) { |
| 1726 | final PlayerRecord prse = mPRStack.elementAt(index); |
| 1727 | if ((prse.hasMatchingMediaButtonIntent(mediaIntent)) |
| 1728 | && rcClient.equals(prse.getRcc())) { |
| 1729 | // we found the IRemoteControlClient to unregister |
| 1730 | prse.resetControllerInfoForNoRcc(); |
| 1731 | topRccChange = (index == mPRStack.size()-1); |
| 1732 | // there can only be one matching RCC in the RC stack, we're done |
| 1733 | break; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1734 | } |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1735 | } |
Jean-Michel Trivi | b416838 | 2014-04-08 15:13:57 -0700 | [diff] [blame] | 1736 | } catch (ArrayIndexOutOfBoundsException e) { |
| 1737 | // not expected to happen, indicates improper concurrent modification |
| 1738 | Log.e(TAG, "Wrong index accessing RC stack, lock error? ", e); |
| 1739 | } |
| 1740 | if (topRccChange) { |
| 1741 | // no more RCC for the RCD, check for potential refresh of the remote controls |
| 1742 | checkUpdateRemoteControlDisplay_syncPrs(RC_INFO_ALL); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1743 | } |
| 1744 | } |
| 1745 | } |
| 1746 | |
| 1747 | |
| 1748 | /** |
| 1749 | * A class to encapsulate all the information about a remote control display. |
| 1750 | * After instanciation, init() must always be called before the object is added in the list |
| 1751 | * of displays. |
| 1752 | * Before being removed from the list of displays, release() must always be called (otherwise |
| 1753 | * it will leak death handlers). |
| 1754 | */ |
| 1755 | private class DisplayInfoForServer implements IBinder.DeathRecipient { |
| 1756 | /** may never be null */ |
Jean-Michel Trivi | f108cdd9 | 2013-09-27 18:37:36 -0700 | [diff] [blame] | 1757 | private final IRemoteControlDisplay mRcDisplay; |
| 1758 | private final IBinder mRcDisplayBinder; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1759 | private int mArtworkExpectedWidth = -1; |
| 1760 | private int mArtworkExpectedHeight = -1; |
| 1761 | private boolean mWantsPositionSync = false; |
Jean-Michel Trivi | f108cdd9 | 2013-09-27 18:37:36 -0700 | [diff] [blame] | 1762 | private ComponentName mClientNotifListComp; |
| 1763 | private boolean mEnabled = true; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1764 | |
| 1765 | public DisplayInfoForServer(IRemoteControlDisplay rcd, int w, int h) { |
| 1766 | if (DEBUG_RC) Log.i(TAG, "new DisplayInfoForServer for " + rcd + " w=" + w + " h=" + h); |
| 1767 | mRcDisplay = rcd; |
| 1768 | mRcDisplayBinder = rcd.asBinder(); |
| 1769 | mArtworkExpectedWidth = w; |
| 1770 | mArtworkExpectedHeight = h; |
| 1771 | } |
| 1772 | |
| 1773 | public boolean init() { |
| 1774 | try { |
| 1775 | mRcDisplayBinder.linkToDeath(this, 0); |
| 1776 | } catch (RemoteException e) { |
| 1777 | // remote control display is DOA, disqualify it |
| 1778 | Log.w(TAG, "registerRemoteControlDisplay() has a dead client " + mRcDisplayBinder); |
| 1779 | return false; |
| 1780 | } |
| 1781 | return true; |
| 1782 | } |
| 1783 | |
| 1784 | public void release() { |
| 1785 | try { |
| 1786 | mRcDisplayBinder.unlinkToDeath(this, 0); |
| 1787 | } catch (java.util.NoSuchElementException e) { |
| 1788 | // not much we can do here, the display should have been unregistered anyway |
| 1789 | Log.e(TAG, "Error in DisplaInfoForServer.relase()", e); |
| 1790 | } |
| 1791 | } |
| 1792 | |
| 1793 | public void binderDied() { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1794 | synchronized(mPRStack) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1795 | Log.w(TAG, "RemoteControl: display " + mRcDisplay + " died"); |
| 1796 | // remove the display from the list |
| 1797 | final Iterator<DisplayInfoForServer> displayIterator = mRcDisplays.iterator(); |
| 1798 | while (displayIterator.hasNext()) { |
RoboErik | 01fe661 | 2014-02-13 14:19:04 -0800 | [diff] [blame] | 1799 | final DisplayInfoForServer di = displayIterator.next(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1800 | if (di.mRcDisplay == mRcDisplay) { |
| 1801 | if (DEBUG_RC) Log.w(TAG, " RCD removed from list"); |
| 1802 | displayIterator.remove(); |
| 1803 | return; |
| 1804 | } |
| 1805 | } |
| 1806 | } |
| 1807 | } |
| 1808 | } |
| 1809 | |
| 1810 | /** |
| 1811 | * The remote control displays. |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1812 | * Access synchronized on mPRStack |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1813 | */ |
| 1814 | private ArrayList<DisplayInfoForServer> mRcDisplays = new ArrayList<DisplayInfoForServer>(1); |
| 1815 | |
| 1816 | /** |
| 1817 | * Plug each registered display into the specified client |
| 1818 | * @param rcc, guaranteed non null |
| 1819 | */ |
Jean-Michel Trivi | b416838 | 2014-04-08 15:13:57 -0700 | [diff] [blame] | 1820 | private void plugRemoteControlDisplaysIntoClient_syncPrs(IRemoteControlClient rcc) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1821 | final Iterator<DisplayInfoForServer> displayIterator = mRcDisplays.iterator(); |
| 1822 | while (displayIterator.hasNext()) { |
RoboErik | 01fe661 | 2014-02-13 14:19:04 -0800 | [diff] [blame] | 1823 | final DisplayInfoForServer di = displayIterator.next(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1824 | try { |
| 1825 | rcc.plugRemoteControlDisplay(di.mRcDisplay, di.mArtworkExpectedWidth, |
| 1826 | di.mArtworkExpectedHeight); |
| 1827 | if (di.mWantsPositionSync) { |
| 1828 | rcc.setWantsSyncForDisplay(di.mRcDisplay, true); |
| 1829 | } |
| 1830 | } catch (RemoteException e) { |
| 1831 | Log.e(TAG, "Error connecting RCD to RCC in RCC registration",e); |
| 1832 | } |
| 1833 | } |
| 1834 | } |
| 1835 | |
Jean-Michel Trivi | f108cdd9 | 2013-09-27 18:37:36 -0700 | [diff] [blame] | 1836 | private void enableRemoteControlDisplayForClient_syncRcStack(IRemoteControlDisplay rcd, |
| 1837 | boolean enabled) { |
| 1838 | // let all the remote control clients know whether the given display is enabled |
| 1839 | // (so the remote control stack traversal order doesn't matter). |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1840 | final Iterator<PlayerRecord> stackIterator = mPRStack.iterator(); |
Jean-Michel Trivi | f108cdd9 | 2013-09-27 18:37:36 -0700 | [diff] [blame] | 1841 | while(stackIterator.hasNext()) { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1842 | PlayerRecord prse = stackIterator.next(); |
| 1843 | if(prse.getRcc() != null) { |
Jean-Michel Trivi | f108cdd9 | 2013-09-27 18:37:36 -0700 | [diff] [blame] | 1844 | try { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1845 | prse.getRcc().enableRemoteControlDisplay(rcd, enabled); |
Jean-Michel Trivi | f108cdd9 | 2013-09-27 18:37:36 -0700 | [diff] [blame] | 1846 | } catch (RemoteException e) { |
| 1847 | Log.e(TAG, "Error connecting RCD to client: ", e); |
| 1848 | } |
| 1849 | } |
| 1850 | } |
| 1851 | } |
| 1852 | |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1853 | /** |
| 1854 | * Is the remote control display interface already registered |
| 1855 | * @param rcd |
| 1856 | * @return true if the IRemoteControlDisplay is already in the list of displays |
| 1857 | */ |
| 1858 | private boolean rcDisplayIsPluggedIn_syncRcStack(IRemoteControlDisplay rcd) { |
| 1859 | final Iterator<DisplayInfoForServer> displayIterator = mRcDisplays.iterator(); |
| 1860 | while (displayIterator.hasNext()) { |
RoboErik | 01fe661 | 2014-02-13 14:19:04 -0800 | [diff] [blame] | 1861 | final DisplayInfoForServer di = displayIterator.next(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1862 | if (di.mRcDisplay.asBinder().equals(rcd.asBinder())) { |
| 1863 | return true; |
| 1864 | } |
| 1865 | } |
| 1866 | return false; |
| 1867 | } |
| 1868 | |
| 1869 | /** |
| 1870 | * Register an IRemoteControlDisplay. |
| 1871 | * Notify all IRemoteControlClient of the new display and cause the RemoteControlClient |
| 1872 | * at the top of the stack to update the new display with its information. |
| 1873 | * @see android.media.IAudioService#registerRemoteControlDisplay(android.media.IRemoteControlDisplay, int, int) |
| 1874 | * @param rcd the IRemoteControlDisplay to register. No effect if null. |
| 1875 | * @param w the maximum width of the expected bitmap. Negative or zero values indicate this |
| 1876 | * display doesn't need to receive artwork. |
| 1877 | * @param h the maximum height of the expected bitmap. Negative or zero values indicate this |
| 1878 | * display doesn't need to receive artwork. |
Jean-Michel Trivi | f108cdd9 | 2013-09-27 18:37:36 -0700 | [diff] [blame] | 1879 | * @param listenerComp the component for the listener interface, may be null if it's not needed |
| 1880 | * to verify it belongs to one of the enabled notification listeners |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1881 | */ |
Jean-Michel Trivi | f108cdd9 | 2013-09-27 18:37:36 -0700 | [diff] [blame] | 1882 | private void registerRemoteControlDisplay_int(IRemoteControlDisplay rcd, int w, int h, |
| 1883 | ComponentName listenerComp) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1884 | if (DEBUG_RC) Log.d(TAG, ">>> registerRemoteControlDisplay("+rcd+")"); |
| 1885 | synchronized(mAudioFocusLock) { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1886 | synchronized(mPRStack) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1887 | if ((rcd == null) || rcDisplayIsPluggedIn_syncRcStack(rcd)) { |
| 1888 | return; |
| 1889 | } |
| 1890 | DisplayInfoForServer di = new DisplayInfoForServer(rcd, w, h); |
Jean-Michel Trivi | f108cdd9 | 2013-09-27 18:37:36 -0700 | [diff] [blame] | 1891 | di.mEnabled = true; |
| 1892 | di.mClientNotifListComp = listenerComp; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1893 | if (!di.init()) { |
| 1894 | if (DEBUG_RC) Log.e(TAG, " error registering RCD"); |
| 1895 | return; |
| 1896 | } |
| 1897 | // add RCD to list of displays |
| 1898 | mRcDisplays.add(di); |
| 1899 | |
| 1900 | // let all the remote control clients know there is a new display (so the remote |
| 1901 | // control stack traversal order doesn't matter). |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1902 | Iterator<PlayerRecord> stackIterator = mPRStack.iterator(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1903 | while(stackIterator.hasNext()) { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1904 | PlayerRecord prse = stackIterator.next(); |
| 1905 | if(prse.getRcc() != null) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1906 | try { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1907 | prse.getRcc().plugRemoteControlDisplay(rcd, w, h); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1908 | } catch (RemoteException e) { |
| 1909 | Log.e(TAG, "Error connecting RCD to client: ", e); |
| 1910 | } |
| 1911 | } |
| 1912 | } |
| 1913 | |
Jean-Michel Trivi | 86142da | 2013-09-29 13:03:58 -0700 | [diff] [blame] | 1914 | // we have a new display, of which all the clients are now aware: have it be |
| 1915 | // initialized wih the current gen ID and the current client info, do not |
| 1916 | // reset the information for the other (existing) displays |
| 1917 | sendMsg(mEventHandler, MSG_RCDISPLAY_INIT_INFO, SENDMSG_QUEUE, |
| 1918 | w /*arg1*/, h /*arg2*/, |
| 1919 | rcd /*obj*/, 0/*delay*/); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1920 | } |
| 1921 | } |
| 1922 | } |
| 1923 | |
| 1924 | /** |
| 1925 | * Unregister an IRemoteControlDisplay. |
| 1926 | * No effect if the IRemoteControlDisplay hasn't been successfully registered. |
| 1927 | * @see android.media.IAudioService#unregisterRemoteControlDisplay(android.media.IRemoteControlDisplay) |
| 1928 | * @param rcd the IRemoteControlDisplay to unregister. No effect if null. |
| 1929 | */ |
| 1930 | protected void unregisterRemoteControlDisplay(IRemoteControlDisplay rcd) { |
| 1931 | if (DEBUG_RC) Log.d(TAG, "<<< unregisterRemoteControlDisplay("+rcd+")"); |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1932 | synchronized(mPRStack) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1933 | if (rcd == null) { |
| 1934 | return; |
| 1935 | } |
| 1936 | |
| 1937 | boolean displayWasPluggedIn = false; |
| 1938 | final Iterator<DisplayInfoForServer> displayIterator = mRcDisplays.iterator(); |
| 1939 | while (displayIterator.hasNext() && !displayWasPluggedIn) { |
RoboErik | 01fe661 | 2014-02-13 14:19:04 -0800 | [diff] [blame] | 1940 | final DisplayInfoForServer di = displayIterator.next(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1941 | if (di.mRcDisplay.asBinder().equals(rcd.asBinder())) { |
| 1942 | displayWasPluggedIn = true; |
| 1943 | di.release(); |
| 1944 | displayIterator.remove(); |
| 1945 | } |
| 1946 | } |
| 1947 | |
| 1948 | if (displayWasPluggedIn) { |
| 1949 | // disconnect this remote control display from all the clients, so the remote |
| 1950 | // control stack traversal order doesn't matter |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1951 | final Iterator<PlayerRecord> stackIterator = mPRStack.iterator(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1952 | while(stackIterator.hasNext()) { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1953 | final PlayerRecord prse = stackIterator.next(); |
| 1954 | if(prse.getRcc() != null) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1955 | try { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1956 | prse.getRcc().unplugRemoteControlDisplay(rcd); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1957 | } catch (RemoteException e) { |
| 1958 | Log.e(TAG, "Error disconnecting remote control display to client: ", e); |
| 1959 | } |
| 1960 | } |
| 1961 | } |
| 1962 | } else { |
| 1963 | if (DEBUG_RC) Log.w(TAG, " trying to unregister unregistered RCD"); |
| 1964 | } |
| 1965 | } |
| 1966 | } |
| 1967 | |
| 1968 | /** |
| 1969 | * Update the size of the artwork used by an IRemoteControlDisplay. |
| 1970 | * @see android.media.IAudioService#remoteControlDisplayUsesBitmapSize(android.media.IRemoteControlDisplay, int, int) |
| 1971 | * @param rcd the IRemoteControlDisplay with the new artwork size requirement |
| 1972 | * @param w the maximum width of the expected bitmap. Negative or zero values indicate this |
| 1973 | * display doesn't need to receive artwork. |
| 1974 | * @param h the maximum height of the expected bitmap. Negative or zero values indicate this |
| 1975 | * display doesn't need to receive artwork. |
| 1976 | */ |
| 1977 | protected void remoteControlDisplayUsesBitmapSize(IRemoteControlDisplay rcd, int w, int h) { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1978 | synchronized(mPRStack) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1979 | final Iterator<DisplayInfoForServer> displayIterator = mRcDisplays.iterator(); |
| 1980 | boolean artworkSizeUpdate = false; |
| 1981 | while (displayIterator.hasNext() && !artworkSizeUpdate) { |
RoboErik | 01fe661 | 2014-02-13 14:19:04 -0800 | [diff] [blame] | 1982 | final DisplayInfoForServer di = displayIterator.next(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1983 | if (di.mRcDisplay.asBinder().equals(rcd.asBinder())) { |
| 1984 | if ((di.mArtworkExpectedWidth != w) || (di.mArtworkExpectedHeight != h)) { |
| 1985 | di.mArtworkExpectedWidth = w; |
| 1986 | di.mArtworkExpectedHeight = h; |
| 1987 | artworkSizeUpdate = true; |
| 1988 | } |
| 1989 | } |
| 1990 | } |
| 1991 | if (artworkSizeUpdate) { |
| 1992 | // RCD is currently plugged in and its artwork size has changed, notify all RCCs, |
| 1993 | // stack traversal order doesn't matter |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1994 | final Iterator<PlayerRecord> stackIterator = mPRStack.iterator(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1995 | while(stackIterator.hasNext()) { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1996 | final PlayerRecord prse = stackIterator.next(); |
| 1997 | if(prse.getRcc() != null) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 1998 | try { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 1999 | prse.getRcc().setBitmapSizeForDisplay(rcd, w, h); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 2000 | } catch (RemoteException e) { |
| 2001 | Log.e(TAG, "Error setting bitmap size for RCD on RCC: ", e); |
| 2002 | } |
| 2003 | } |
| 2004 | } |
| 2005 | } |
| 2006 | } |
| 2007 | } |
| 2008 | |
| 2009 | /** |
| 2010 | * Controls whether a remote control display needs periodic checks of the RemoteControlClient |
| 2011 | * playback position to verify that the estimated position has not drifted from the actual |
| 2012 | * position. By default the check is not performed. |
| 2013 | * The IRemoteControlDisplay must have been previously registered for this to have any effect. |
| 2014 | * @param rcd the IRemoteControlDisplay for which the anti-drift mechanism will be enabled |
| 2015 | * or disabled. Not null. |
| 2016 | * @param wantsSync if true, RemoteControlClient instances which expose their playback position |
| 2017 | * to the framework will regularly compare the estimated playback position with the actual |
| 2018 | * position, and will update the IRemoteControlDisplay implementation whenever a drift is |
| 2019 | * detected. |
| 2020 | */ |
| 2021 | protected void remoteControlDisplayWantsPlaybackPositionSync(IRemoteControlDisplay rcd, |
| 2022 | boolean wantsSync) { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 2023 | synchronized(mPRStack) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 2024 | boolean rcdRegistered = false; |
| 2025 | // store the information about this display |
| 2026 | // (display stack traversal order doesn't matter). |
| 2027 | final Iterator<DisplayInfoForServer> displayIterator = mRcDisplays.iterator(); |
| 2028 | while (displayIterator.hasNext()) { |
RoboErik | 01fe661 | 2014-02-13 14:19:04 -0800 | [diff] [blame] | 2029 | final DisplayInfoForServer di = displayIterator.next(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 2030 | if (di.mRcDisplay.asBinder().equals(rcd.asBinder())) { |
| 2031 | di.mWantsPositionSync = wantsSync; |
| 2032 | rcdRegistered = true; |
| 2033 | break; |
| 2034 | } |
| 2035 | } |
| 2036 | if (!rcdRegistered) { |
| 2037 | return; |
| 2038 | } |
| 2039 | // notify all current RemoteControlClients |
| 2040 | // (stack traversal order doesn't matter as we notify all RCCs) |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 2041 | final Iterator<PlayerRecord> stackIterator = mPRStack.iterator(); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 2042 | while (stackIterator.hasNext()) { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 2043 | final PlayerRecord prse = stackIterator.next(); |
| 2044 | if (prse.getRcc() != null) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 2045 | try { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 2046 | prse.getRcc().setWantsSyncForDisplay(rcd, wantsSync); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 2047 | } catch (RemoteException e) { |
| 2048 | Log.e(TAG, "Error setting position sync flag for RCD on RCC: ", e); |
| 2049 | } |
| 2050 | } |
| 2051 | } |
| 2052 | } |
| 2053 | } |
| 2054 | |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 2055 | // handler for MSG_RCC_NEW_VOLUME_OBS |
| 2056 | private void onRegisterVolumeObserverForRcc(int rccId, IRemoteVolumeObserver rvo) { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 2057 | synchronized(mPRStack) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 2058 | // The stack traversal order doesn't matter because there is only one stack entry |
| 2059 | // with this RCC ID, but the matching ID is more likely at the top of the stack, so |
| 2060 | // start iterating from the top. |
| 2061 | try { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 2062 | for (int index = mPRStack.size()-1; index >= 0; index--) { |
| 2063 | final PlayerRecord prse = mPRStack.elementAt(index); |
| 2064 | if (prse.getRccId() == rccId) { |
| 2065 | prse.mRemoteVolumeObs = rvo; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 2066 | break; |
| 2067 | } |
| 2068 | } |
| 2069 | } catch (ArrayIndexOutOfBoundsException e) { |
| 2070 | // not expected to happen, indicates improper concurrent modification |
| 2071 | Log.e(TAG, "Wrong index accessing media button stack, lock error? ", e); |
| 2072 | } |
| 2073 | } |
| 2074 | } |
| 2075 | |
| 2076 | /** |
| 2077 | * Checks if a remote client is active on the supplied stream type. Update the remote stream |
| 2078 | * volume state if found and playing |
| 2079 | * @param streamType |
| 2080 | * @return false if no remote playing is currently playing |
| 2081 | */ |
| 2082 | protected boolean checkUpdateRemoteStateIfActive(int streamType) { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 2083 | synchronized(mPRStack) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 2084 | // iterating from top of stack as active playback is more likely on entries at the top |
| 2085 | try { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 2086 | for (int index = mPRStack.size()-1; index >= 0; index--) { |
| 2087 | final PlayerRecord prse = mPRStack.elementAt(index); |
| 2088 | if ((prse.mPlaybackType == RemoteControlClient.PLAYBACK_TYPE_REMOTE) |
| 2089 | && isPlaystateActive(prse.mPlaybackState.mState) |
| 2090 | && (prse.mPlaybackStream == streamType)) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 2091 | if (DEBUG_RC) Log.d(TAG, "remote playback active on stream " + streamType |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 2092 | + ", vol =" + prse.mPlaybackVolume); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 2093 | synchronized (mMainRemote) { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 2094 | mMainRemote.mRccId = prse.getRccId(); |
| 2095 | mMainRemote.mVolume = prse.mPlaybackVolume; |
| 2096 | mMainRemote.mVolumeMax = prse.mPlaybackVolumeMax; |
| 2097 | mMainRemote.mVolumeHandling = prse.mPlaybackVolumeHandling; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 2098 | mMainRemoteIsActive = true; |
| 2099 | } |
| 2100 | return true; |
| 2101 | } |
| 2102 | } |
| 2103 | } catch (ArrayIndexOutOfBoundsException e) { |
| 2104 | // not expected to happen, indicates improper concurrent modification |
| 2105 | Log.e(TAG, "Wrong index accessing RC stack, lock error? ", e); |
| 2106 | } |
| 2107 | } |
| 2108 | synchronized (mMainRemote) { |
| 2109 | mMainRemoteIsActive = false; |
| 2110 | } |
| 2111 | return false; |
| 2112 | } |
| 2113 | |
| 2114 | /** |
| 2115 | * Returns true if the given playback state is considered "active", i.e. it describes a state |
| 2116 | * where playback is happening, or about to |
| 2117 | * @param playState the playback state to evaluate |
| 2118 | * @return true if active, false otherwise (inactive or unknown) |
| 2119 | */ |
Jean-Michel Trivi | 8be88d1 | 2014-04-10 15:00:35 -0700 | [diff] [blame] | 2120 | protected static boolean isPlaystateActive(int playState) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 2121 | switch (playState) { |
| 2122 | case RemoteControlClient.PLAYSTATE_PLAYING: |
| 2123 | case RemoteControlClient.PLAYSTATE_BUFFERING: |
| 2124 | case RemoteControlClient.PLAYSTATE_FAST_FORWARDING: |
| 2125 | case RemoteControlClient.PLAYSTATE_REWINDING: |
| 2126 | case RemoteControlClient.PLAYSTATE_SKIPPING_BACKWARDS: |
| 2127 | case RemoteControlClient.PLAYSTATE_SKIPPING_FORWARDS: |
| 2128 | return true; |
| 2129 | default: |
| 2130 | return false; |
| 2131 | } |
| 2132 | } |
| 2133 | |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 2134 | private void sendVolumeUpdateToRemote(int rccId, int direction) { |
| 2135 | if (DEBUG_VOL) { Log.d(TAG, "sendVolumeUpdateToRemote(rccId="+rccId+" , dir="+direction); } |
| 2136 | if (direction == 0) { |
| 2137 | // only handling discrete events |
| 2138 | return; |
| 2139 | } |
| 2140 | IRemoteVolumeObserver rvo = null; |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 2141 | synchronized (mPRStack) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 2142 | // The stack traversal order doesn't matter because there is only one stack entry |
| 2143 | // with this RCC ID, but the matching ID is more likely at the top of the stack, so |
| 2144 | // start iterating from the top. |
| 2145 | try { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 2146 | for (int index = mPRStack.size()-1; index >= 0; index--) { |
| 2147 | final PlayerRecord prse = mPRStack.elementAt(index); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 2148 | //FIXME OPTIMIZE store this info in mMainRemote so we don't have to iterate? |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 2149 | if (prse.getRccId() == rccId) { |
| 2150 | rvo = prse.mRemoteVolumeObs; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 2151 | break; |
| 2152 | } |
| 2153 | } |
| 2154 | } catch (ArrayIndexOutOfBoundsException e) { |
| 2155 | // not expected to happen, indicates improper concurrent modification |
| 2156 | Log.e(TAG, "Wrong index accessing media button stack, lock error? ", e); |
| 2157 | } |
| 2158 | } |
| 2159 | if (rvo != null) { |
| 2160 | try { |
| 2161 | rvo.dispatchRemoteVolumeUpdate(direction, -1); |
| 2162 | } catch (RemoteException e) { |
| 2163 | Log.e(TAG, "Error dispatching relative volume update", e); |
| 2164 | } |
| 2165 | } |
| 2166 | } |
| 2167 | |
| 2168 | protected int getRemoteStreamMaxVolume() { |
| 2169 | synchronized (mMainRemote) { |
| 2170 | if (mMainRemote.mRccId == RemoteControlClient.RCSE_ID_UNREGISTERED) { |
| 2171 | return 0; |
| 2172 | } |
| 2173 | return mMainRemote.mVolumeMax; |
| 2174 | } |
| 2175 | } |
| 2176 | |
| 2177 | protected int getRemoteStreamVolume() { |
| 2178 | synchronized (mMainRemote) { |
| 2179 | if (mMainRemote.mRccId == RemoteControlClient.RCSE_ID_UNREGISTERED) { |
| 2180 | return 0; |
| 2181 | } |
| 2182 | return mMainRemote.mVolume; |
| 2183 | } |
| 2184 | } |
| 2185 | |
| 2186 | protected void setRemoteStreamVolume(int vol) { |
| 2187 | if (DEBUG_VOL) { Log.d(TAG, "setRemoteStreamVolume(vol="+vol+")"); } |
| 2188 | int rccId = RemoteControlClient.RCSE_ID_UNREGISTERED; |
| 2189 | synchronized (mMainRemote) { |
| 2190 | if (mMainRemote.mRccId == RemoteControlClient.RCSE_ID_UNREGISTERED) { |
| 2191 | return; |
| 2192 | } |
| 2193 | rccId = mMainRemote.mRccId; |
| 2194 | } |
| 2195 | IRemoteVolumeObserver rvo = null; |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 2196 | synchronized (mPRStack) { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 2197 | // The stack traversal order doesn't matter because there is only one stack entry |
| 2198 | // with this RCC ID, but the matching ID is more likely at the top of the stack, so |
| 2199 | // start iterating from the top. |
| 2200 | try { |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 2201 | for (int index = mPRStack.size()-1; index >= 0; index--) { |
| 2202 | final PlayerRecord prse = mPRStack.elementAt(index); |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 2203 | //FIXME OPTIMIZE store this info in mMainRemote so we don't have to iterate? |
Jean-Michel Trivi | dda1c40 | 2014-03-25 17:25:25 -0700 | [diff] [blame] | 2204 | if (prse.getRccId() == rccId) { |
| 2205 | rvo = prse.mRemoteVolumeObs; |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 2206 | break; |
| 2207 | } |
| 2208 | } |
| 2209 | } catch (ArrayIndexOutOfBoundsException e) { |
| 2210 | // not expected to happen, indicates improper concurrent modification |
| 2211 | Log.e(TAG, "Wrong index accessing media button stack, lock error? ", e); |
| 2212 | } |
| 2213 | } |
| 2214 | if (rvo != null) { |
| 2215 | try { |
| 2216 | rvo.dispatchRemoteVolumeUpdate(0, vol); |
| 2217 | } catch (RemoteException e) { |
| 2218 | Log.e(TAG, "Error dispatching absolute volume update", e); |
| 2219 | } |
| 2220 | } |
| 2221 | } |
| 2222 | |
| 2223 | /** |
| 2224 | * Call to make AudioService reevaluate whether it's in a mode where remote players should |
| 2225 | * have their volume controlled. In this implementation this is only to reset whether |
| 2226 | * VolumePanel should display remote volumes |
| 2227 | */ |
Jean-Michel Trivi | 7d3168c | 2014-03-25 10:41:24 -0700 | [diff] [blame] | 2228 | protected void postReevaluateRemote() { |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 2229 | sendMsg(mEventHandler, MSG_REEVALUATE_REMOTE, SENDMSG_QUEUE, 0, 0, null, 0); |
| 2230 | } |
| 2231 | |
| 2232 | private void onReevaluateRemote() { |
RoboErik | 19c9518 | 2014-06-23 15:38:48 -0700 | [diff] [blame] | 2233 | // TODO This was used to notify VolumePanel if there was remote playback |
| 2234 | // in the stack. This is now in MediaSessionService. More code should be |
| 2235 | // removed. |
Jean-Michel Trivi | fa9a698 | 2013-06-27 16:22:58 -0700 | [diff] [blame] | 2236 | } |
| 2237 | |
| 2238 | } |