| /* |
| * Copyright (C) 2018 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. |
| */ |
| |
| #pragma once |
| |
| #include <system/audio.h> |
| #include <media/AudioSystem.h> |
| |
| namespace android { |
| |
| // keep in sync with AudioManager.AudioVolumeGroupChangeHandler.java |
| #define AUDIOVOLUMEGROUP_EVENT_VOLUME_CHANGED 1000 |
| #define AUDIOVOLUMEGROUP_EVENT_SERVICE_DIED 1001 |
| |
| class JNIAudioVolumeGroupCallback: public AudioSystem::AudioVolumeGroupCallback |
| { |
| public: |
| JNIAudioVolumeGroupCallback(JNIEnv* env, jobject thiz, jobject weak_thiz); |
| ~JNIAudioVolumeGroupCallback(); |
| |
| void onAudioVolumeGroupChanged(volume_group_t group, int flags) override; |
| void onServiceDied() override; |
| |
| private: |
| void sendEvent(int event); |
| |
| jclass mClass; /**< Reference to AudioVolumeGroupChangeHandler class. */ |
| jobject mObject; /**< Weak ref to AudioVolumeGroupChangeHandler object to call on. */ |
| }; |
| |
| } // namespace android |