François Gaffie | adcd00a | 2018-09-18 17:06:26 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #pragma once |
| 18 | |
| 19 | #include <system/audio.h> |
| 20 | #include <media/AudioSystem.h> |
| 21 | |
| 22 | namespace android { |
| 23 | |
| 24 | // keep in sync with AudioManager.AudioVolumeGroupChangeHandler.java |
| 25 | #define AUDIOVOLUMEGROUP_EVENT_VOLUME_CHANGED 1000 |
| 26 | #define AUDIOVOLUMEGROUP_EVENT_SERVICE_DIED 1001 |
| 27 | |
| 28 | class JNIAudioVolumeGroupCallback: public AudioSystem::AudioVolumeGroupCallback |
| 29 | { |
| 30 | public: |
| 31 | JNIAudioVolumeGroupCallback(JNIEnv* env, jobject thiz, jobject weak_thiz); |
| 32 | ~JNIAudioVolumeGroupCallback(); |
| 33 | |
| 34 | void onAudioVolumeGroupChanged(volume_group_t group, int flags) override; |
| 35 | void onServiceDied() override; |
| 36 | |
| 37 | private: |
| 38 | void sendEvent(int event); |
| 39 | |
| 40 | jclass mClass; /**< Reference to AudioVolumeGroupChangeHandler class. */ |
| 41 | jobject mObject; /**< Weak ref to AudioVolumeGroupChangeHandler object to call on. */ |
| 42 | }; |
| 43 | |
| 44 | } // namespace android |