1 /* 2 * Copyright (c) 2024 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef MULTIMEDIA_AUDIO_VOLUME_MANAGER_IMPL_H 17 #define MULTIMEDIA_AUDIO_VOLUME_MANAGER_IMPL_H 18 #include "audio_group_manager.h" 19 #include "audio_system_manager.h" 20 #include "cj_common_ffi.h" 21 #include "multimedia_audio_ffi.h" 22 #include "multimedia_audio_volume_manager_callback.h" 23 #include "native/ffi_remote_data.h" 24 25 namespace OHOS { 26 namespace AudioStandard { 27 class MMAAudioVolumeManagerImpl : public OHOS::FFI::FFIData { 28 DECL_TYPE(MMAAudioVolumeManagerImpl, OHOS::FFI::FFIData) 29 public: 30 MMAAudioVolumeManagerImpl(); ~MMAAudioVolumeManagerImpl()31 ~MMAAudioVolumeManagerImpl() 32 { 33 audioMngr_ = nullptr; 34 } 35 36 int64_t GetVolumeGroupManager(int32_t groupId, int32_t* errorCode); 37 void RegisterCallback(int32_t callbackType, void (*callback)(), int32_t* errorCode); 38 39 private: 40 AudioSystemManager* audioMngr_ = nullptr; 41 int32_t cachedClientId_ = -1; 42 std::shared_ptr<CjVolumeKeyEventCallback> volumeChangeCallback_ = nullptr; 43 }; 44 } // namespace AudioStandard 45 } // namespace OHOS 46 #endif // MULTIMEDIA_AUDIO_VOLUME_MANAGER_IMPL_H 47