| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.support.v4.media.session; |
| |
| import android.app.PendingIntent; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.media.AudioAttributes; |
| import android.media.MediaDescription; |
| import android.media.MediaMetadata; |
| import android.media.Rating; |
| import android.media.VolumeProvider; |
| import android.media.session.MediaSession; |
| import android.media.session.PlaybackState; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.Parcelable; |
| import android.os.ResultReceiver; |
| import android.util.Log; |
| |
| import androidx.annotation.RequiresApi; |
| |
| import java.lang.reflect.Field; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| @RequiresApi(21) |
| class MediaSessionCompatApi21 { |
| static final String TAG = "MediaSessionCompatApi21"; |
| |
| public static Object createSession(Context context, String tag) { |
| return new MediaSession(context, tag); |
| } |
| |
| public static Object verifySession(Object mediaSession) { |
| if (mediaSession instanceof MediaSession) { |
| return mediaSession; |
| } |
| throw new IllegalArgumentException("mediaSession is not a valid MediaSession object"); |
| } |
| |
| public static Object verifyToken(Object token) { |
| if (token instanceof MediaSession.Token) { |
| return token; |
| } |
| throw new IllegalArgumentException("token is not a valid MediaSession.Token object"); |
| } |
| |
| public static Object createCallback(Callback callback) { |
| return new CallbackProxy<Callback>(callback); |
| } |
| |
| public static void setCallback(Object sessionObj, Object callbackObj, Handler handler) { |
| ((MediaSession) sessionObj).setCallback((MediaSession.Callback) callbackObj, handler); |
| } |
| |
| public static void setFlags(Object sessionObj, int flags) { |
| ((MediaSession)sessionObj).setFlags(flags); |
| } |
| |
| public static void setPlaybackToLocal(Object sessionObj, int stream) { |
| // TODO update APIs to use support version of AudioAttributes |
| AudioAttributes.Builder bob = new AudioAttributes.Builder(); |
| bob.setLegacyStreamType(stream); |
| ((MediaSession) sessionObj).setPlaybackToLocal(bob.build()); |
| } |
| |
| public static void setPlaybackToRemote(Object sessionObj, Object volumeProviderObj) { |
| ((MediaSession)sessionObj).setPlaybackToRemote((VolumeProvider)volumeProviderObj); |
| } |
| |
| public static void setActive(Object sessionObj, boolean active) { |
| ((MediaSession)sessionObj).setActive(active); |
| } |
| |
| public static boolean isActive(Object sessionObj) { |
| return ((MediaSession)sessionObj).isActive(); |
| } |
| |
| public static void sendSessionEvent(Object sessionObj, String event, Bundle extras) { |
| ((MediaSession)sessionObj).sendSessionEvent(event, extras); |
| } |
| |
| public static void release(Object sessionObj) { |
| ((MediaSession)sessionObj).release(); |
| } |
| |
| public static Parcelable getSessionToken(Object sessionObj) { |
| return ((MediaSession)sessionObj).getSessionToken(); |
| } |
| |
| public static void setPlaybackState(Object sessionObj, Object stateObj) { |
| ((MediaSession)sessionObj).setPlaybackState((PlaybackState)stateObj); |
| } |
| |
| public static void setMetadata(Object sessionObj, Object metadataObj) { |
| ((MediaSession)sessionObj).setMetadata((MediaMetadata)metadataObj); |
| } |
| |
| public static void setSessionActivity(Object sessionObj, PendingIntent pi) { |
| ((MediaSession) sessionObj).setSessionActivity(pi); |
| } |
| |
| public static void setMediaButtonReceiver(Object sessionObj, PendingIntent pi) { |
| ((MediaSession) sessionObj).setMediaButtonReceiver(pi); |
| } |
| |
| public static void setQueue(Object sessionObj, List<Object> queueObjs) { |
| if (queueObjs == null) { |
| ((MediaSession) sessionObj).setQueue(null); |
| return; |
| } |
| ArrayList<MediaSession.QueueItem> queue = new ArrayList<MediaSession.QueueItem>(); |
| for (Object itemObj : queueObjs) { |
| queue.add((MediaSession.QueueItem) itemObj); |
| } |
| ((MediaSession) sessionObj).setQueue(queue); |
| } |
| |
| public static void setQueueTitle(Object sessionObj, CharSequence title) { |
| ((MediaSession) sessionObj).setQueueTitle(title); |
| } |
| |
| public static void setExtras(Object sessionObj, Bundle extras) { |
| ((MediaSession) sessionObj).setExtras(extras); |
| } |
| |
| public static boolean hasCallback(Object sessionObj) { |
| Field callbackField = null; |
| try { |
| callbackField = sessionObj.getClass().getDeclaredField("mCallback"); |
| if (callbackField != null) { |
| callbackField.setAccessible(true); |
| return callbackField.get(sessionObj) != null; |
| } |
| } catch (NoSuchFieldException | IllegalAccessException e) { |
| Log.w(TAG, "Failed to get mCallback object."); |
| } |
| return false; |
| } |
| |
| interface Callback { |
| void onCommand(String command, Bundle extras, ResultReceiver cb); |
| boolean onMediaButtonEvent(Intent mediaButtonIntent); |
| void onPlay(); |
| void onPlayFromMediaId(String mediaId, Bundle extras); |
| void onPlayFromSearch(String search, Bundle extras); |
| void onSkipToQueueItem(long id); |
| void onPause(); |
| void onSkipToNext(); |
| void onSkipToPrevious(); |
| void onFastForward(); |
| void onRewind(); |
| void onStop(); |
| void onSeekTo(long position); |
| void onSetRating(Object ratingObject); |
| void onSetRating(Object ratingObject, Bundle extras); |
| void onCustomAction(String action, Bundle extras); |
| } |
| |
| static class CallbackProxy<T extends Callback> extends MediaSession.Callback { |
| protected final T mCallback; |
| |
| public CallbackProxy(T callback) { |
| mCallback = callback; |
| } |
| |
| @Override |
| public void onCommand(String command, Bundle args, ResultReceiver cb) { |
| mCallback.onCommand(command, args, cb); |
| } |
| |
| @Override |
| public boolean onMediaButtonEvent(Intent mediaButtonIntent) { |
| return mCallback.onMediaButtonEvent(mediaButtonIntent) |
| || super.onMediaButtonEvent(mediaButtonIntent); |
| } |
| |
| @Override |
| public void onPlay() { |
| mCallback.onPlay(); |
| } |
| |
| @Override |
| public void onPlayFromMediaId(String mediaId, Bundle extras) { |
| mCallback.onPlayFromMediaId(mediaId, extras); |
| } |
| |
| @Override |
| public void onPlayFromSearch(String search, Bundle extras) { |
| mCallback.onPlayFromSearch(search, extras); |
| } |
| |
| @Override |
| public void onSkipToQueueItem(long id) { |
| mCallback.onSkipToQueueItem(id); |
| } |
| |
| @Override |
| public void onPause() { |
| mCallback.onPause(); |
| } |
| |
| @Override |
| public void onSkipToNext() { |
| mCallback.onSkipToNext(); |
| } |
| |
| @Override |
| public void onSkipToPrevious() { |
| mCallback.onSkipToPrevious(); |
| } |
| |
| @Override |
| public void onFastForward() { |
| mCallback.onFastForward(); |
| } |
| |
| @Override |
| public void onRewind() { |
| mCallback.onRewind(); |
| } |
| |
| @Override |
| public void onStop() { |
| mCallback.onStop(); |
| } |
| |
| @Override |
| public void onSeekTo(long pos) { |
| mCallback.onSeekTo(pos); |
| } |
| |
| @Override |
| public void onSetRating(Rating rating) { |
| mCallback.onSetRating(rating); |
| } |
| |
| @Override |
| public void onCustomAction(String action, Bundle extras) { |
| mCallback.onCustomAction(action, extras); |
| } |
| } |
| |
| static class QueueItem { |
| |
| public static Object createItem(Object mediaDescription, long id) { |
| return new MediaSession.QueueItem((MediaDescription) mediaDescription, id); |
| } |
| |
| public static Object getDescription(Object queueItem) { |
| return ((MediaSession.QueueItem) queueItem).getDescription(); |
| } |
| |
| public static long getQueueId(Object queueItem) { |
| return ((MediaSession.QueueItem) queueItem).getQueueId(); |
| } |
| |
| private QueueItem() { |
| } |
| } |
| |
| private MediaSessionCompatApi21() { |
| } |
| } |