Merge "Fix audio focus evaluation order for display update" into jb-mr1.1-dev

        // top of the stack for the media button event receivers : simply using the top of the

        // 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

        // stack would make the entry disappear from the RemoteControlDisplay in conditions such as

        // notifications playing during music playback.

        // 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

        // - focus gain on STREAM_MUSIC stream

        // - non-transient focus gain on a stream other than music

        // - non-transient focus gain on a stream other than music

        FocusStackEntry af = null;

        FocusStackEntry af = null;

        Iterator<FocusStackEntry> stackIterator = mFocusStack.iterator();

        try {

        while(stackIterator.hasNext()) {

            for (int index = mFocusStack.size()-1; index >= 0; index--) {

            FocusStackEntry fse = (FocusStackEntry)stackIterator.next();

                FocusStackEntry fse = mFocusStack.elementAt(index);

                if ((fse.mStreamType == AudioManager.STREAM_MUSIC)

                if ((fse.mStreamType == AudioManager.STREAM_MUSIC)

                        || (fse.mFocusChangeType == AudioManager.AUDIOFOCUS_GAIN)) {

                        || (fse.mFocusChangeType == AudioManager.AUDIOFOCUS_GAIN)) {

                    af = fse;

                    af = fse;

                    break;

                    break;

                }

                }

            }

            }

        } catch (ArrayIndexOutOfBoundsException e) {

            Log.e(TAG, "Wrong index accessing audio focus stack when updating RCD: " + e);

            af = null;

        }

        if (af == null) {

        if (af == null) {

            clearRemoteControlDisplay_syncAfRcs();

            clearRemoteControlDisplay_syncAfRcs();

            return;

            return;

            clearRemoteControlDisplay_syncAfRcs();

            clearRemoteControlDisplay_syncAfRcs();

            return;

            return;

        }

        }

        // refresh conditions were verified: update the remote controls

        // refresh conditions were verified: update the remote controls

        // ok to call: synchronized mAudioFocusLock then on mRCStack, mRCStack is not empty

        // ok to call: synchronized mAudioFocusLock then on mRCStack, mRCStack is not empty

        updateRemoteControlDisplay_syncAfRcs(infoChangedFlags);

        updateRemoteControlDisplay_syncAfRcs(infoChangedFlags);