Java MediaItemStatus.PLAYBACK_STATE_FINISHED属性代码示例

@VisibleForTesting
void setPlayerStateForMediaItemState(int state) {
    PlayerState playerState = PlayerState.STOPPED;
    switch (state) {
        case MediaItemStatus.PLAYBACK_STATE_BUFFERING:
            playerState = PlayerState.LOADING;
            break;
        case MediaItemStatus.PLAYBACK_STATE_CANCELED:
            playerState = PlayerState.FINISHED;
            break;
        case MediaItemStatus.PLAYBACK_STATE_ERROR:
            playerState = PlayerState.ERROR;
            break;
        case MediaItemStatus.PLAYBACK_STATE_FINISHED:
            playerState = PlayerState.FINISHED;
            break;
        case MediaItemStatus.PLAYBACK_STATE_INVALIDATED:
            playerState = PlayerState.INVALIDATED;
            break;
        case MediaItemStatus.PLAYBACK_STATE_PAUSED:
            if (isAtEndOfVideo(getPosition(), getDuration())) {
                playerState = PlayerState.FINISHED;
            } else {
                playerState = PlayerState.PAUSED;
            }
            break;
        case MediaItemStatus.PLAYBACK_STATE_PENDING:
            playerState = PlayerState.PAUSED;
            break;
        case MediaItemStatus.PLAYBACK_STATE_PLAYING:
            playerState = PlayerState.PLAYING;
            break;
        default:
            break;
    }

    mRemotePlayerState = playerState;
}
 

@VisibleForTesting
void setPlayerStateForMediaItemState(int state) {
    PlayerState playerState = PlayerState.STOPPED;
    switch (state) {
        case MediaItemStatus.PLAYBACK_STATE_BUFFERING:
            playerState = PlayerState.LOADING;
            break;
        case MediaItemStatus.PLAYBACK_STATE_CANCELED:
            playerState = PlayerState.FINISHED;
            break;
        case MediaItemStatus.PLAYBACK_STATE_ERROR:
            playerState = PlayerState.ERROR;
            break;
        case MediaItemStatus.PLAYBACK_STATE_FINISHED:
            playerState = PlayerState.FINISHED;
            break;
        case MediaItemStatus.PLAYBACK_STATE_INVALIDATED:
            playerState = PlayerState.INVALIDATED;
            break;
        case MediaItemStatus.PLAYBACK_STATE_PAUSED:
            if (isAtEndOfVideo(getPosition(), getDuration())) {
                playerState = PlayerState.FINISHED;
            } else {
                playerState = PlayerState.PAUSED;
            }
            break;
        case MediaItemStatus.PLAYBACK_STATE_PENDING:
            playerState = PlayerState.PAUSED;
            break;
        case MediaItemStatus.PLAYBACK_STATE_PLAYING:
            playerState = PlayerState.PLAYING;
            break;
        default:
            break;
    }

    mPlaybackState = playerState;
}
 

@Override
public void onItemStatusChanged(Bundle data,
        String sessionId, MediaSessionStatus sessionStatus,
        String itemId, MediaItemStatus itemStatus) {
    logStatus("onItemStatusChanged", sessionId, sessionStatus, itemId, itemStatus);
    if (mCallback != null) {
        if (itemStatus.getPlaybackState() ==
                MediaItemStatus.PLAYBACK_STATE_FINISHED) {
            mCallback.onCompletion();
        } else if (itemStatus.getPlaybackState() ==
                MediaItemStatus.PLAYBACK_STATE_ERROR) {
            mCallback.onError();
        }
    }
}
 

private void processMediaStatusBundle(Bundle statusBundle) {
    if (statusBundle == null) return;
    logBundle("processMediaStatusBundle: ", statusBundle);

    String itemId = statusBundle.getString(MediaControlIntent.EXTRA_ITEM_ID);
    if (itemId == null || !itemId.equals(mCurrentItemId)) return;

    // Extract item metadata, if available.
    if (statusBundle.containsKey(MediaControlIntent.EXTRA_ITEM_METADATA)) {
        Bundle metadataBundle =
                (Bundle) statusBundle.getParcelable(MediaControlIntent.EXTRA_ITEM_METADATA);
        updateTitle(metadataBundle.getString(MediaItemMetadata.KEY_TITLE, mPreferredTitle));
    }

    // Extract the item status, if available.
    if (statusBundle.containsKey(MediaControlIntent.EXTRA_ITEM_STATUS)) {
        Bundle itemStatusBundle =
                (Bundle) statusBundle.getParcelable(MediaControlIntent.EXTRA_ITEM_STATUS);
        MediaItemStatus itemStatus = MediaItemStatus.fromBundle(itemStatusBundle);

        logBundle("Received item status: ", itemStatusBundle);

        updateState(itemStatus.getPlaybackState());

        // Update the PositionExtrapolator that the playback state has changed.
        if (itemStatus.getPlaybackState() == MediaItemStatus.PLAYBACK_STATE_PLAYING) {
            mPositionExtrapolator.onResumed();
        } else if (itemStatus.getPlaybackState() == MediaItemStatus.PLAYBACK_STATE_FINISHED) {
            mPositionExtrapolator.onFinished();
        } else {
            mPositionExtrapolator.onPaused();
        }

        if ((getRemotePlayerState() == PlayerState.PAUSED)
                || (getRemotePlayerState() == PlayerState.PLAYING)
                || (getRemotePlayerState() == PlayerState.LOADING)) {
            this.mCurrentItemId = itemId;

            // duration can possibly be -1 if it's unknown, so cap to 0
            long duration = Math.max(itemStatus.getContentDuration(), 0);
            // update the position using the remote player's position
            // duration can possibly be -1 if it's unknown, so cap to 0
            long position = Math.min(Math.max(itemStatus.getContentPosition(), 0), duration);
            // TODO(zqzhang): The GMS core currently uses SystemClock.uptimeMillis() as
            // timestamp, which does not conform to the MediaRouter support library docs. See
            // b/28378525 and
            // http://developer.android.com/reference/android/support/v7/media/MediaItemStatus.html#getTimestamp().
            // Override the timestamp with elapsedRealtime() by assuming the delay between the
            // GMS core produces the MediaItemStatus and the code reaches here is short enough.
            // long timestamp = itemStatus.getTimestamp();
            long timestamp = SystemClock.elapsedRealtime();
            notifyDurationUpdated(duration);
            notifyPositionUpdated(position);
            mPositionExtrapolator.onPositionInfoUpdated(duration, position, timestamp);

            if (mSeeking) {
                mSeeking = false;
                if (getMediaStateListener() != null) getMediaStateListener().onSeekCompleted();
            }
        }
        logExtraHttpInfo(itemStatus.getExtras());
    }
}
 

/**
 * Sets state to finished.
 *
 * Note: Do not set the listener before play() is called
 *       (or this will be called immediately).
 */
@Override
public void onCompletion(MediaPlayer mp) {
	mState = MediaItemStatus.PLAYBACK_STATE_FINISHED;
	mPlayer.setOnCompletionListener(null);
}