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/*
* Copyright (C) 2021 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.
*/
#ifndef ANDROID_HARDWARE_AUTOMOTIVE_AUDIOCONTROL_AUDIOCONTROL_H
#define ANDROID_HARDWARE_AUTOMOTIVE_AUDIOCONTROL_AUDIOCONTROL_H
#include <aidl/android/hardware/automotive/audiocontrol/AudioFocusChange.h>
#include <aidl/android/hardware/automotive/audiocontrol/BnAudioControl.h>
#include <aidl/android/hardware/automotive/audiocontrol/DuckingInfo.h>
#include <aidl/android/hardware/automotive/audiocontrol/MutingInfo.h>
namespace aidl {
namespace android {
namespace hardware {
namespace automotive {
namespace audiocontrol {
class AudioControl : public BnAudioControl {
public:
ndk::ScopedAStatus onAudioFocusChange(const std::string& in_usage, int32_t in_zoneId,
AudioFocusChange in_focusChange) override;
ndk::ScopedAStatus onDevicesToDuckChange(
const std::vector<DuckingInfo>& in_duckingInfos) override;
ndk::ScopedAStatus onDevicesToMuteChange(
const std::vector<MutingInfo>& in_mutingInfos) override;
ndk::ScopedAStatus registerFocusListener(
const std::shared_ptr<IFocusListener>& in_listener) override;
ndk::ScopedAStatus setBalanceTowardRight(float in_value) override;
ndk::ScopedAStatus setFadeTowardFront(float in_value) override;
binder_status_t dump(int fd, const char** args, uint32_t numArgs) override;
void setAudioEnabled(bool isEnabled);
private:
// This focus listener will only be used by this HAL instance to communicate with
// a single instance of CarAudioService. As such, it doesn't have explicit serialization.
// If a different AudioControl implementation were to have multiple threads leveraging this
// listener, then it should also include mutexes or make the listener atomic.
std::shared_ptr<IFocusListener> mFocusListener;
binder_status_t cmdHelp(int fd) const;
binder_status_t cmdRequestFocus(int fd, const char** args, uint32_t numArgs);
binder_status_t cmdAbandonFocus(int fd, const char** args, uint32_t numArgs);
binder_status_t dumpsys(int fd);
};
} // namespace audiocontrol
} // namespace automotive
} // namespace hardware
} // namespace android
} // namespace aidl
#endif // ANDROID_HARDWARE_AUTOMOTIVE_AUDIOCONTROL_AUDIOCONTROL_H
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