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