1 /* 2 * Copyright (c) 2022-2023 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 "av_controller_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 ErrCode OnSessionDestroy() override; 29 30 ErrCode OnAVCallMetaDataChange(const AVCallMetaData& data) override; 31 32 ErrCode OnAVCallStateChange(const AVCallState& state) override; 33 34 ErrCode OnPlaybackStateChange(const AVPlaybackState& state) override; 35 36 ErrCode OnMetaDataChange(const AVMetaData& data) override; 37 38 ErrCode OnActiveStateChange(bool isActive) override; 39 40 ErrCode OnValidCommandChange(const std::vector<int32_t>& cmds) override; 41 42 ErrCode OnOutputDeviceChange(const int32_t connectionState, const OutputDeviceInfo& info) override; 43 44 ErrCode AddListenerForPlaybackState(const std::function<void(const AVPlaybackState&)>& listener); 45 46 ErrCode RemoveListenerForPlaybackState(); 47 48 ErrCode OnSessionEventChange(const std::string& event, const AAFwk::WantParams& args) override; 49 50 ErrCode OnQueueItemsChange(const std::vector<AVQueueItem>& items) override; 51 52 ErrCode OnQueueTitleChange(const std::string& title) override; 53 54 ErrCode OnExtrasChange(const AAFwk::WantParams& extras) override; 55 56 ErrCode OnCustomData(const AAFwk::WantParams& extras) override; 57 58 private: 59 std::shared_ptr<AVControllerCallback> callback_; 60 std::function<void(const AVPlaybackState&)> playbackStateListener_; 61 static constexpr const char* EVENT_NAME = "AVControllerCallback"; 62 }; 63 } 64 #endif // OHOS_AVCONTROLLER_CALLBACK_CLIENT_H