/*
|
* 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
|
