1 /* 2 * Copyright (c) 2022 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 OHOS_AVCONTROLLER_CALLBACK_CLIENT_H 17 #define OHOS_AVCONTROLLER_CALLBACK_CLIENT_H 18 19 #include "avcontroller_callback_stub.h" 20 #include "avsession_info.h" 21 22 namespace OHOS::AVSession { 23 class AVControllerCallbackClient : public AVControllerCallbackStub { 24 public: 25 explicit AVControllerCallbackClient(const std::shared_ptr<AVControllerCallback>& callback); 26 ~AVControllerCallbackClient(); 27 28 void OnSessionDestroy() override; 29 30 void OnPlaybackStateChange(const AVPlaybackState& state) override; 31 32 void OnMetaDataChange(const AVMetaData& data) override; 33 34 void OnActiveStateChange(bool isActive) override; 35 36 void OnValidCommandChange(const std::vector<int32_t>& cmds) override; 37 38 void OnOutputDeviceChange(const OutputDeviceInfo& info) override; 39 40 void AddListenerForPlaybackState(const std::function<void(const AVPlaybackState&)>& listener); 41 42 private: 43 std::shared_ptr<AVControllerCallback> callback_; 44 std::function<void(const AVPlaybackState&)> playbackStateListener_; 45 static constexpr const char* EVENT_NAME = "AVControllerCallback"; 46 }; 47 } 48 #endif // OHOS_AVCONTROLLER_CALLBACK_CLIENT_H