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 #include "multimedia_audio_volume_manager_callback.h" 17 18 #include "multimedia_audio_common.h" 19 20 namespace OHOS { 21 namespace AudioStandard { 22 RegisterFunc(std::function<void (CVolumeEvent)> cjCallback)23void CjVolumeKeyEventCallback::RegisterFunc(std::function<void(CVolumeEvent)> cjCallback) 24 { 25 std::lock_guard<std::mutex> lock(cbMutex_); 26 func_ = cjCallback; 27 } 28 OnVolumeKeyEvent(VolumeEvent volumeEvent)29void CjVolumeKeyEventCallback::OnVolumeKeyEvent(VolumeEvent volumeEvent) 30 { 31 std::lock_guard<std::mutex> lock(cbMutex_); 32 CVolumeEvent cVol {}; 33 cVol.volume = volumeEvent.volume; 34 cVol.volumeType = static_cast<int32_t>(volumeEvent.volumeType); 35 cVol.updateUi = volumeEvent.updateUi; 36 func_(cVol); 37 } 38 39 } // namespace AudioStandard 40 } // namespace OHOS 41