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61 lines
2.5 KiB
61 lines
2.5 KiB
/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_HARDWARE_AUTOMOTIVE_AUDIOCONTROL_V2_0_AUDIOCONTROL_H
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#define ANDROID_HARDWARE_AUTOMOTIVE_AUDIOCONTROL_V2_0_AUDIOCONTROL_H
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#include <android/hardware/audio/common/6.0/types.h>
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#include <android/hardware/automotive/audiocontrol/2.0/IAudioControl.h>
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#include <android/hardware/automotive/audiocontrol/2.0/ICloseHandle.h>
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#include <hidl/MQDescriptor.h>
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#include <hidl/Status.h>
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using android::hardware::audio::common::V6_0::AudioUsage;
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namespace android::hardware::automotive::audiocontrol::V2_0::implementation {
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class AudioControl : public IAudioControl {
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public:
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// Methods from ::android::hardware::automotive::audiocontrol::V2_0::IAudioControl follow.
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Return<sp<ICloseHandle>> registerFocusListener(const sp<IFocusListener>& listener);
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Return<void> onAudioFocusChange(hidl_bitfield<AudioUsage> usage, int zoneId,
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hidl_bitfield<AudioFocusChange> focusChange);
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Return<void> setBalanceTowardRight(float value) override;
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Return<void> setFadeTowardFront(float value) override;
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Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override;
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// Implementation details
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AudioControl();
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private:
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sp<IFocusListener> mFocusListener;
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static bool checkArgumentsSize(int fd, const hidl_vec<hidl_string>& options, size_t minSize);
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static bool checkCallerHasWritePermissions(int fd);
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static bool isValidValue(float value);
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static bool safelyParseInt(std::string s, int* out);
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void cmdDump(int fd, const hidl_vec<hidl_string>& options);
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void cmdHelp(int fd) const;
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void cmdRequestFocus(int fd, const hidl_vec<hidl_string>& options);
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void cmdAbandonFocus(int fd, const hidl_vec<hidl_string>& options);
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void dump(int fd);
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};
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} // namespace android::hardware::automotive::audiocontrol::V2_0::implementation
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#endif // ANDROID_HARDWARE_AUTOMOTIVE_AUDIOCONTROL_V2_0_AUDIOCONTROL_H
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