1 /*
2  * Copyright (c) 2021-2023 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_DCAMERA_SOURCE_CALLBACK_H
17 #define OHOS_DCAMERA_SOURCE_CALLBACK_H
18 
19 #include <map>
20 #include <mutex>
21 
22 #include "dcamera_source_callback_stub.h"
23 #include "idistributed_hardware_source.h"
24 
25 namespace OHOS {
26 namespace DistributedHardware {
27 class DCameraSourceCallback : public DCameraSourceCallbackStub {
28 public:
29     DCameraSourceCallback() = default;
30     ~DCameraSourceCallback() override;
31 
32     int32_t OnNotifyRegResult(const std::string& devId, const std::string& dhId, const std::string& reqId,
33         int32_t status, std::string& data) override;
34     int32_t OnNotifyUnregResult(const std::string& devId, const std::string& dhId, const std::string& reqId,
35         int32_t status, std::string& data) override;
36     int32_t OnHardwareStateChanged(const std::string &devId, const std::string &dhId, int32_t status) override;
37     int32_t OnDataSyncTrigger(const std::string &devId) override;
38 
39     void PushRegCallback(std::string& reqId, std::shared_ptr<RegisterCallback>& callback);
40     void PopRegCallback(std::string& reqId);
41     void PushUnregCallback(std::string& reqId, std::shared_ptr<UnregisterCallback>& callback);
42     void PopUnregCallback(std::string& reqId);
43     void RegisterStateListener(const std::shared_ptr<DistributedHardwareStateListener> listener);
44     void UnRegisterStateListener();
45     void RegisterTriggerListener(const std::shared_ptr<DataSyncTriggerListener> listener);
46     void UnRegisterTriggerListener();
47 private:
48     std::map<std::string, std::shared_ptr<RegisterCallback>> regCallbacks_;
49     std::map<std::string, std::shared_ptr<UnregisterCallback>> unregCallbacks_;
50     std::mutex mapMutex_;
51     std::mutex stateListenerMtx_;
52     std::shared_ptr<DistributedHardwareStateListener> stateListener_ = nullptr;
53     std::mutex triggerListenerMtx_;
54     std::shared_ptr<DataSyncTriggerListener> triggerListener_ = nullptr;
55     const size_t DID_MAX_SIZE = 256;
56 };
57 } // namespace DistributedHardware
58 } // namespace OHOS
59 #endif // OHOS_DCAMERA_SOURCE_CALLBACK_H
60