Merge commit 'android-4.2.2_r1' into mr1.1-staging

Conflicts:
	core/java/android/os/Trace.java
	core/java/android/widget/Toast.java
	core/res/res/values-cs/strings.xml
	core/res/res/values-el/strings.xml
	core/res/res/values-iw/strings.xml
	core/res/res/values/config.xml
	core/res/res/values/symbols.xml
	media/java/android/media/AudioService.java
	packages/SystemUI/res/values-sv/strings.xml
	packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
	packages/SystemUI/src/com/android/systemui/statusbar/policy/BatteryController.java
	packages/SystemUI/src/com/android/systemui/usb/StorageNotification.java
	policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java
	policy/src/com/android/internal/policy/impl/keyguard/KeyguardMessageArea.java
	policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewManager.java
	policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewMediator.java
	services/java/com/android/server/NotificationManagerService.java
	services/java/com/android/server/power/ElectronBeam.java

Change-Id: I60b8ddf20a1d7bcf9dc7b1a4ed841aaa4d953294

3 files changed, 152 insertions, 84 deletions

diff --git a/media/java/android/media/AudioService.java b/media/java/android/media/AudioService.java
index 1b0675a..5c4b315 100755
--- a/media/java/android/media/AudioService.java
+++ b/media/java/android/media/AudioService.java
@@ -163,6 +163,7 @@ public class AudioService extends IAudioService.Stub implements OnFinished {
     private static final int MSG_BROADCAST_AUDIO_BECOMING_NOISY = 25;
     private static final int MSG_CONFIGURE_SAFE_MEDIA_VOLUME = 26;
     private static final int MSG_CONFIGURE_SAFE_MEDIA_VOLUME_FORCED = 27;
+    private static final int MSG_PERSIST_SAFE_VOLUME_STATE = 28;
 
     // flags for MSG_PERSIST_VOLUME indicating if current and/or last audible volume should be
     // persisted
@@ -445,6 +446,8 @@ public class AudioService extends IAudioService.Stub implements OnFinished {
 
     private boolean mDockAudioMediaEnabled = true;
 
+    private int mDockState = Intent.EXTRA_DOCK_STATE_UNDOCKED;
+
     ///////////////////////////////////////////////////////////////////////////
     // Construction
     ///////////////////////////////////////////////////////////////////////////
@@ -488,6 +491,14 @@ public class AudioService extends IAudioService.Stub implements OnFinished {
                 null,
                 0);
 
+        mSafeMediaVolumeState = new Integer(Settings.Global.getInt(mContentResolver,
+                                                        Settings.Global.AUDIO_SAFE_VOLUME_STATE,
+                                                        SAFE_MEDIA_VOLUME_NOT_CONFIGURED));
+        // The default safe volume index read here will be replaced by the actual value when
+        // the mcc is read by onConfigureSafeVolume()
+        mSafeMediaVolumeIndex = mContext.getResources().getInteger(
+                com.android.internal.R.integer.config_safe_media_volume_index) * 10;
+
         readPersistedSettings();
         mSettingsObserver = new SettingsObserver();
         updateStreamVolumeAlias(false /*updateVolumes*/);
@@ -495,8 +506,6 @@ public class AudioService extends IAudioService.Stub implements OnFinished {
 
         mMediaServerOk = true;
 
-        mSafeMediaVolumeState = new Integer(SAFE_MEDIA_VOLUME_NOT_CONFIGURED);
-
         // Call setRingerModeInt() to apply correct mute
         // state on streams affected by ringer mode.
         mRingerModeMutedStreams = 0;
@@ -862,70 +871,72 @@ public class AudioService extends IAudioService.Stub implements OnFinished {
         // convert one UI step (+/-1) into a number of internal units on the stream alias
         int step = rescaleIndex(10, streamType, streamTypeAlias);
 
-        if ((direction == AudioManager.ADJUST_RAISE) &&
-                !checkSafeMediaVolume(streamTypeAlias, aliasIndex + step, device)) {
-            return;
-        }
-
         int index;
         int oldIndex;
 
-        flags &= ~AudioManager.FLAG_FIXED_VOLUME;
-        if ((streamTypeAlias == AudioSystem.STREAM_MUSIC) &&
-               ((device & mFixedVolumeDevices) != 0)) {
-            flags |= AudioManager.FLAG_FIXED_VOLUME;
-            index = mStreamStates[streamType].getMaxIndex();
+        if ((direction == AudioManager.ADJUST_RAISE) &&
+                !checkSafeMediaVolume(streamTypeAlias, aliasIndex + step, device)) {
+            index = mStreamStates[streamType].getIndex(device,
+                                                 (streamState.muteCount() != 0)  /* lastAudible */);
             oldIndex = index;
         } else {
-            // If either the client forces allowing ringer modes for this adjustment,
-            // or the stream type is one that is affected by ringer modes
-            if (((flags & AudioManager.FLAG_ALLOW_RINGER_MODES) != 0) ||
-                    (streamTypeAlias == getMasterStreamType())) {
-                int ringerMode = getRingerMode();
-                // do not vibrate if already in vibrate mode
-                if (ringerMode == AudioManager.RINGER_MODE_VIBRATE) {
-                    flags &= ~AudioManager.FLAG_VIBRATE;
-                }
-                // Check if the ringer mode changes with this volume adjustment. If
-                // it does, it will handle adjusting the volume, so we won't below
-                adjustVolume = checkForRingerModeChange(aliasIndex, direction, step);
-                if ((streamTypeAlias == getMasterStreamType()) &&
-                        (mRingerMode == AudioManager.RINGER_MODE_SILENT)) {
-                    streamState.setLastAudibleIndex(0, device);
-                }
-            }
-
-            // If stream is muted, adjust last audible index only
-            oldIndex = mStreamStates[streamType].getIndex(device,
-                    (mStreamStates[streamType].muteCount() != 0) /* lastAudible */);
-
-            if (streamState.muteCount() != 0) {
-                if (adjustVolume) {
-                    // Post a persist volume msg
-                    // no need to persist volume on all streams sharing the same alias
-                    streamState.adjustLastAudibleIndex(direction * step, device);
-                    sendMsg(mAudioHandler,
-                            MSG_PERSIST_VOLUME,
-                            SENDMSG_QUEUE,
-                            PERSIST_LAST_AUDIBLE,
-                            device,
-                            streamState,
-                            PERSIST_DELAY);
-                }
-                index = mStreamStates[streamType].getIndex(device, true  /* lastAudible */);
+            flags &= ~AudioManager.FLAG_FIXED_VOLUME;
+            if ((streamTypeAlias == AudioSystem.STREAM_MUSIC) &&
+                   ((device & mFixedVolumeDevices) != 0)) {
+                flags |= AudioManager.FLAG_FIXED_VOLUME;
+                index = mStreamStates[streamType].getMaxIndex();
+                oldIndex = index;
             } else {
-                if (adjustVolume && streamState.adjustIndex(direction * step, device)) {
-                    // Post message to set system volume (it in turn will post a message
-                    // to persist). Do not change volume if stream is muted.
-                    sendMsg(mAudioHandler,
-                            MSG_SET_DEVICE_VOLUME,
-                            SENDMSG_QUEUE,
-                            device,
-                            0,
-                            streamState,
-                            0);
+                // If either the client forces allowing ringer modes for this adjustment,
+                // or the stream type is one that is affected by ringer modes
+                if (((flags & AudioManager.FLAG_ALLOW_RINGER_MODES) != 0) ||
+                        (streamTypeAlias == getMasterStreamType())) {
+                    int ringerMode = getRingerMode();
+                    // do not vibrate if already in vibrate mode
+                    if (ringerMode == AudioManager.RINGER_MODE_VIBRATE) {
+                        flags &= ~AudioManager.FLAG_VIBRATE;
+                    }
+                    // Check if the ringer mode changes with this volume adjustment. If
+                    // it does, it will handle adjusting the volume, so we won't below
+                    adjustVolume = checkForRingerModeChange(aliasIndex, direction, step);
+                    if ((streamTypeAlias == getMasterStreamType()) &&
+                            (mRingerMode == AudioManager.RINGER_MODE_SILENT)) {
+                        streamState.setLastAudibleIndex(0, device);
+                    }
+                }
+
+                // If stream is muted, adjust last audible index only
+                oldIndex = mStreamStates[streamType].getIndex(device,
+                        (mStreamStates[streamType].muteCount() != 0) /* lastAudible */);
+
+                if (streamState.muteCount() != 0) {
+                    if (adjustVolume) {
+                        // Post a persist volume msg
+                        // no need to persist volume on all streams sharing the same alias
+                        streamState.adjustLastAudibleIndex(direction * step, device);
+                        sendMsg(mAudioHandler,
+                                MSG_PERSIST_VOLUME,
+                                SENDMSG_QUEUE,
+                                PERSIST_LAST_AUDIBLE,
+                                device,
+                                streamState,
+                                PERSIST_DELAY);
+                    }
+                    index = mStreamStates[streamType].getIndex(device, true  /* lastAudible */);
+                } else {
+                    if (adjustVolume && streamState.adjustIndex(direction * step, device)) {
+                        // Post message to set system volume (it in turn will post a message
+                        // to persist). Do not change volume if stream is muted.
+                        sendMsg(mAudioHandler,
+                                MSG_SET_DEVICE_VOLUME,
+                                SENDMSG_QUEUE,
+                                device,
+                                0,
+                                streamState,
+                                0);
+                    }
+                    index = mStreamStates[streamType].getIndex(device, false  /* lastAudible */);
                 }
-                index = mStreamStates[streamType].getIndex(device, false  /* lastAudible */);
             }
         }
         sendVolumeUpdate(streamType, oldIndex, index, flags);
@@ -2353,13 +2364,33 @@ public class AudioService extends IAudioService.Stub implements OnFinished {
             if ((mMcc != mcc) || ((mMcc == 0) && force)) {
                 mSafeMediaVolumeIndex = mContext.getResources().getInteger(
                         com.android.internal.R.integer.config_safe_media_volume_index) * 10;
-                if (mSafeVolumeEnabled) {
-                    mSafeMediaVolumeState = SAFE_MEDIA_VOLUME_ACTIVE;
-                    enforceSafeMediaVolume();
+                boolean safeMediaVolumeEnabled = mContext.getResources().getBoolean(
+                        com.android.internal.R.bool.config_safe_media_volume_enabled);
+
+                // The persisted state is either "disabled" or "active": this is the state applied
+                // next time we boot and cannot be "inactive"
+                int persistedState;
+                if (safeMediaVolumeEnabled) {
+                    persistedState = SAFE_MEDIA_VOLUME_ACTIVE;
+                    // The state can already be "inactive" here if the user has forced it before
+                    // the 30 seconds timeout for forced configuration. In this case we don't reset
+                    // it to "active".
+                    if (mSafeMediaVolumeState != SAFE_MEDIA_VOLUME_INACTIVE) {
+                        mSafeMediaVolumeState = SAFE_MEDIA_VOLUME_ACTIVE;
+                        enforceSafeMediaVolume();
+                    }
                 } else {
+                    persistedState = SAFE_MEDIA_VOLUME_DISABLED;
                     mSafeMediaVolumeState = SAFE_MEDIA_VOLUME_DISABLED;
                 }
                 mMcc = mcc;
+                sendMsg(mAudioHandler,
+                        MSG_PERSIST_SAFE_VOLUME_STATE,
+                        SENDMSG_QUEUE,
+                        persistedState,
+                        0,
+                        null,
+                        0);
             }
         }
     }
@@ -3278,6 +3309,12 @@ public class AudioService extends IAudioService.Stub implements OnFinished {
             AudioSystem.setForceUse(usage, config);
         }
 
+        private void onPersistSafeVolumeState(int state) {
+            Settings.Global.putInt(mContentResolver,
+                    Settings.Global.AUDIO_SAFE_VOLUME_STATE,
+                    state);
+        }
+
         @Override
         public void handleMessage(Message msg) {
 
@@ -3380,6 +3417,13 @@ public class AudioService extends IAudioService.Stub implements OnFinished {
                                 mBluetoothA2dpEnabled ?
                                         AudioSystem.FORCE_NONE : AudioSystem.FORCE_NO_BT_A2DP);
                     }
+
+                    synchronized (mSettingsLock) {
+                        AudioSystem.setForceUse(AudioSystem.FOR_DOCK,
+                                mDockAudioMediaEnabled ?
+                                        AudioSystem.FORCE_ANALOG_DOCK : AudioSystem.FORCE_NONE);
+                    }
+
                     // indicate the end of reconfiguration phase to audio HAL
                     AudioSystem.setParameters("restarting=false");
                     break;
@@ -3480,6 +3524,9 @@ public class AudioService extends IAudioService.Stub implements OnFinished {
                 case MSG_CONFIGURE_SAFE_MEDIA_VOLUME:
                     onConfigureSafeVolume((msg.what == MSG_CONFIGURE_SAFE_MEDIA_VOLUME_FORCED));
                     break;
+                case MSG_PERSIST_SAFE_VOLUME_STATE:
+                    onPersistSafeVolumeState(msg.arg1);
+                    break;
             }
         }
     }
@@ -3830,13 +3877,7 @@ public class AudioService extends IAudioService.Stub implements OnFinished {
                         config = AudioSystem.FORCE_BT_CAR_DOCK;
                         break;
                     case Intent.EXTRA_DOCK_STATE_LE_DESK:
-                        synchronized (mSettingsLock) {
-                            if (mDockAudioMediaEnabled) {
-                                config = AudioSystem.FORCE_ANALOG_DOCK;
-                            } else {
-                                config = AudioSystem.FORCE_NONE;
-                            }
-                        }
+                        config = AudioSystem.FORCE_ANALOG_DOCK;
                         break;
                     case Intent.EXTRA_DOCK_STATE_HE_DESK:
                         config = AudioSystem.FORCE_DIGITAL_DOCK;
@@ -3846,7 +3887,14 @@ public class AudioService extends IAudioService.Stub implements OnFinished {
                         config = AudioSystem.FORCE_NONE;
                 }
 
-                AudioSystem.setForceUse(AudioSystem.FOR_DOCK, config);
+                // Low end docks have a menu to enable or disable audio
+                // (see mDockAudioMediaEnabled)
+                if (!((dockState == Intent.EXTRA_DOCK_STATE_LE_DESK) ||
+                      ((dockState == Intent.EXTRA_DOCK_STATE_UNDOCKED) &&
+                       (mDockState == Intent.EXTRA_DOCK_STATE_LE_DESK)))) {
+                    AudioSystem.setForceUse(AudioSystem.FOR_DOCK, config);
+                }
+                mDockState = dockState;
             } else if (action.equals(BluetoothA2dp.ACTION_CONNECTION_STATE_CHANGED) && noDelayInATwoDP) {
                 state = intent.getIntExtra(BluetoothProfile.EXTRA_STATE,
                                            BluetoothProfile.STATE_DISCONNECTED);
@@ -5317,18 +5365,23 @@ public class AudioService extends IAudioService.Stub implements OnFinished {
         // top of the stack for the media button event receivers : simply using the top of the
         // stack would make the entry disappear from the RemoteControlDisplay in conditions such as
         // notifications playing during music playback.
-        // crawl the AudioFocus stack until an entry is found with the following characteristics:
+        // Crawl the AudioFocus stack from the top until an entry is found with the following
+        // characteristics:
         // - focus gain on STREAM_MUSIC stream
         // - non-transient focus gain on a stream other than music
         FocusStackEntry af = null;
-        Iterator<FocusStackEntry> stackIterator = mFocusStack.iterator();
-        while(stackIterator.hasNext()) {
-            FocusStackEntry fse = (FocusStackEntry)stackIterator.next();
-            if ((fse.mStreamType == AudioManager.STREAM_MUSIC)
-                    || (fse.mFocusChangeType == AudioManager.AUDIOFOCUS_GAIN)) {
-                af = fse;
-                break;
+        try {
+            for (int index = mFocusStack.size()-1; index >= 0; index--) {
+                FocusStackEntry fse = mFocusStack.elementAt(index);
+                if ((fse.mStreamType == AudioManager.STREAM_MUSIC)
+                        || (fse.mFocusChangeType == AudioManager.AUDIOFOCUS_GAIN)) {
+                    af = fse;
+                    break;
+                }
             }
+        } catch (ArrayIndexOutOfBoundsException e) {
+            Log.e(TAG, "Wrong index accessing audio focus stack when updating RCD: " + e);
+            af = null;
         }
         if (af == null) {
             clearRemoteControlDisplay_syncAfRcs();
@@ -5349,6 +5402,7 @@ public class AudioService extends IAudioService.Stub implements OnFinished {
             clearRemoteControlDisplay_syncAfRcs();
             return;
         }
+
         // refresh conditions were verified: update the remote controls
         // ok to call: synchronized mAudioFocusLock then on mRCStack, mRCStack is not empty
         updateRemoteControlDisplay_syncAfRcs(infoChangedFlags);
diff --git a/media/java/android/media/MediaFormat.java b/media/java/android/media/MediaFormat.java
index 4414191..a2eb8d9 100644
--- a/media/java/android/media/MediaFormat.java
+++ b/media/java/android/media/MediaFormat.java
@@ -26,7 +26,7 @@ import java.util.Map;
  *
  * The format of the media data is specified as string/value pairs.
  *
- * Keys common to all formats:
+ * Keys common to all formats, <b>all keys not marked optional are mandatory</b>:
  *
  * <table>
  * <tr><th>Name</th><th>Value Type</th><th>Description</th></tr>
@@ -50,9 +50,9 @@ import java.util.Map;
  * <tr><th>Name</th><th>Value Type</th><th>Description</th></tr>
  * <tr><td>{@link #KEY_CHANNEL_COUNT}</td><td>Integer</td><td></td></tr>
  * <tr><td>{@link #KEY_SAMPLE_RATE}</td><td>Integer</td><td></td></tr>
- * <tr><td>{@link #KEY_IS_ADTS}</td><td>Integer</td><td>optional, if content is AAC audio, setting this key to 1 indicates that each audio frame is prefixed by the ADTS header.</td></tr>
+ * <tr><td>{@link #KEY_IS_ADTS}</td><td>Integer</td><td>optional, if <em>decoding</em> AAC audio content, setting this key to 1 indicates that each audio frame is prefixed by the ADTS header.</td></tr>
  * <tr><td>{@link #KEY_AAC_PROFILE}</td><td>Integer</td><td><b>encoder-only</b>, optional, if content is AAC audio, specifies the desired profile.</td></tr>
- * <tr><td>{@link #KEY_CHANNEL_MASK}</td><td>Integer</td><td>A mask of audio channel assignments</td></tr>
+ * <tr><td>{@link #KEY_CHANNEL_MASK}</td><td>Integer</td><td>optional, a mask of audio channel assignments</td></tr>
  * <tr><td>{@link #KEY_FLAC_COMPRESSION_LEVEL}</td><td>Integer</td><td><b>encoder-only</b>, optional, if content is FLAC audio, specifies the desired compression level.</td></tr>
  * </table>
  *
@@ -140,6 +140,8 @@ public final class MediaFormat {
      * A key mapping to a value of 1 if the content is AAC audio and
      * audio frames are prefixed with an ADTS header.
      * The associated value is an integer (0 or 1).
+     * This key is only supported when _decoding_ content, it cannot
+     * be used to configure an encoder to emit ADTS output.
      */
     public static final String KEY_IS_ADTS = "is-adts";
 
diff --git a/media/java/android/media/MediaRouter.java b/media/java/android/media/MediaRouter.java
index 2a5a16e..8b489b1 100644
--- a/media/java/android/media/MediaRouter.java
+++ b/media/java/android/media/MediaRouter.java
@@ -313,13 +313,25 @@ public class MediaRouter {
     }
 
     /**
-     * Return the currently selected route for the given types
+     * Return the currently selected route for any of the given types
      *
      * @param type route types
      * @return the selected route
      */
     public RouteInfo getSelectedRoute(int type) {
-        return sStatic.mSelectedRoute;
+        if (sStatic.mSelectedRoute != null &&
+                (sStatic.mSelectedRoute.mSupportedTypes & type) != 0) {
+            // If the selected route supports any of the types supplied, it's still considered
+            // 'selected' for that type.
+            return sStatic.mSelectedRoute;
+        } else if (type == ROUTE_TYPE_USER) {
+            // The caller specifically asked for a user route and the currently selected route
+            // doesn't qualify.
+            return null;
+        }
+        // If the above didn't match and we're not specifically asking for a user route,
+        // consider the default selected.
+        return sStatic.mDefaultAudioVideo;
     }
 
     /**
@@ -862,7 +874,7 @@ public class MediaRouter {
     private static WifiDisplay findMatchingDisplay(WifiDisplay d, WifiDisplay[] displays) {
         for (int i = 0; i < displays.length; i++) {
             final WifiDisplay other = displays[i];
-            if (d.getDeviceAddress().equals(other.getDeviceAddress())) {
+            if (d.hasSameAddress(other)) {
                 return other;
             }
         }