| /* |
| * 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.media.session; |
| |
| import android.content.Context; |
| import android.media.session.IMediaSessionManager; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.util.Log; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * MediaSessionManager allows the creation and control of MediaSessions in the |
| * system. A MediaSession enables publishing information about ongoing media and |
| * interacting with MediaControllers and MediaRoutes. |
| * <p> |
| * Use <code>Context.getSystemService(Context.MEDIA_SESSION_SERVICE)</code> to |
| * get an instance of this class. |
| * <p> |
| * |
| * @see MediaSession |
| * @see MediaController |
| */ |
| public final class MediaSessionManager { |
| private static final String TAG = "MediaSessionManager"; |
| |
| private final IMediaSessionManager mService; |
| |
| private Context mContext; |
| |
| /** |
| * @hide |
| */ |
| public MediaSessionManager(Context context) { |
| // Consider rewriting like DisplayManagerGlobal |
| // Decide if we need context |
| mContext = context; |
| IBinder b = ServiceManager.getService(Context.MEDIA_SESSION_SERVICE); |
| mService = IMediaSessionManager.Stub.asInterface(b); |
| } |
| |
| /** |
| * Creates a new session. |
| * |
| * @param tag A short name for debugging purposes |
| * @return a {@link MediaSession} for the new session |
| */ |
| public MediaSession createSession(String tag) { |
| try { |
| MediaSession.CallbackStub cbStub = new MediaSession.CallbackStub(); |
| MediaSession session = new MediaSession(mService |
| .createSession(mContext.getPackageName(), cbStub, tag), cbStub); |
| cbStub.setMediaSession(session); |
| |
| return session; |
| } catch (RemoteException e) { |
| Log.e(TAG, "Failed to create session: ", e); |
| return null; |
| } |
| } |
| |
| /** |
| * Get a list of controllers for all ongoing sessions. This requires the |
| * android.Manifest.permission.MEDIA_CONTENT_CONTROL permission be held by |
| * the calling app. |
| * |
| * @return a list of controllers for ongoing sessions |
| */ |
| public List<MediaController> getActiveSessions() { |
| // TODO |
| return new ArrayList<MediaController>(); |
| } |
| } |