| /* |
| * Copyright (C) 2017 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; |
| |
| import android.os.Handler; |
| |
| /** |
| * Helper class {@link AudioTrack}, {@link AudioRecord}, {@link MediaPlayer} and {@link MediaRecorder} |
| * to handle the forwarding of native events to the appropriate listener |
| * (potentially) handled in a different thread. |
| * @hide |
| */ |
| class NativeRoutingEventHandlerDelegate { |
| private AudioRouting mAudioRouting; |
| private AudioRouting.OnRoutingChangedListener mOnRoutingChangedListener; |
| private Handler mHandler; |
| |
| NativeRoutingEventHandlerDelegate(final AudioRouting audioRouting, |
| final AudioRouting.OnRoutingChangedListener listener, Handler handler) { |
| mAudioRouting = audioRouting; |
| mOnRoutingChangedListener = listener; |
| mHandler = handler; |
| } |
| |
| void notifyClient() { |
| if (mHandler != null) { |
| mHandler.post(new Runnable() { |
| @Override |
| public void run() { |
| if (mOnRoutingChangedListener != null) { |
| mOnRoutingChangedListener.onRoutingChanged(mAudioRouting); |
| } |
| } |
| }); |
| } |
| } |
| } |