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_DSCREEN_SINK_HANDLER_H
17 #define OHOS_DSCREEN_SINK_HANDLER_H
18 
19 #include <condition_variable>
20 #include <cstdint>
21 #include <mutex>
22 
23 #include "idistributed_hardware_sink.h"
24 #include "iremote_object.h"
25 #include "refbase.h"
26 #include "single_instance.h"
27 
28 #include "idscreen_sink.h"
29 
30 namespace OHOS {
31 namespace DistributedHardware {
32 class DScreenSinkHandler : public IDistributedHardwareSink {
33 DECLARE_SINGLE_INSTANCE_BASE(DScreenSinkHandler);
34 public:
35     int32_t InitSink(const std::string &params) override;
36     int32_t ReleaseSink() override;
37     int32_t SubscribeLocalHardware(const std::string &dhId, const std::string &param) override;
38     int32_t UnsubscribeLocalHardware(const std::string &dhId) override;
39     void OnRemoteSinkSvrDied(const wptr<IRemoteObject> &remote);
40     void FinishStartSA(const std::string &params, const sptr<IRemoteObject> &remoteObject);
41     int32_t RegisterPrivacyResources(std::shared_ptr<PrivacyResourcesListener> listener) override;
42     int32_t PauseDistributedHardware(const std::string &networkId) override;
43     int32_t ResumeDistributedHardware(const std::string &networkId) override;
44     int32_t StopDistributedHardware(const std::string &networkId) override;
45 private:
46     class DScreenSinkSvrRecipient : public IRemoteObject::DeathRecipient {
47     public:
48         void OnRemoteDied(const wptr<IRemoteObject> &remote) override;
49     };
50 
51     DScreenSinkHandler();
52     ~DScreenSinkHandler();
53 
54     std::mutex proxyMutex_;
55     std::condition_variable proxyConVar_;
56     sptr<IDScreenSink> dScreenSinkProxy_ = nullptr;
57     sptr<DScreenSinkSvrRecipient> sinkSvrRecipient_ = nullptr;
58 };
59 
60 #ifdef __cplusplus
61 extern "C" {
62 #endif
63 __attribute__((visibility("default"))) IDistributedHardwareSink *GetSinkHardwareHandler();
64 #ifdef __cplusplus
65 }
66 #endif
67 } // namespace DistributedHardware
68 } // namespace OHOS
69 #endif