1 /*
2  * Copyright (c) 2021-2022 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_DCAMERA_SINK_HANDLER_IPC_H
17 #define OHOS_DCAMERA_SINK_HANDLER_IPC_H
18 
19 #include <mutex>
20 
21 #include "single_instance.h"
22 #include "iremote_object.h"
23 #include "refbase.h"
24 #include "idistributed_camera_sink.h"
25 
26 namespace OHOS {
27 namespace DistributedHardware {
28 class DCameraSinkHandlerIpc {
29 DECLARE_SINGLE_INSTANCE_BASE(DCameraSinkHandlerIpc);
30 
31 public:
32     void Init();
33     void UnInit();
34     sptr<IDistributedCameraSink> GetSinkLocalCamSrv();
35     void OnSinkLocalCamSrvDied(const wptr<IRemoteObject>& remote);
36 
37 private:
38     DCameraSinkHandlerIpc();
39     ~DCameraSinkHandlerIpc();
40     void OnSinkLocalCamSrvDied(const sptr<IRemoteObject>& remote);
41     void DeleteSinkLocalCamSrv();
42 
43     class SinkLocalRecipient : public IRemoteObject::DeathRecipient {
44     public:
45         void OnRemoteDied(const wptr<IRemoteObject>& remote) override;
46     };
47     sptr<SinkLocalRecipient> sinkLocalRecipient_;
48     sptr<IDistributedCameraSink> localSink_;
49     std::mutex sinkLocalCamSrvLock_;
50 
51     bool isInit_;
52     std::mutex initCamSrvLock_;
53 };
54 } // namespace DistributedHardware
55 } // namespace OHOS
56 #endif // OHOS_DCAMERA_SINK_HANDLER_IPC_H
57