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 I_STANDARD_CAMERA_LISTENER_H
17 #define I_STANDARD_CAMERA_LISTENER_H
18 
19 #include "ipc_types.h"
20 #include "iremote_broker.h"
21 #include "iremote_proxy.h"
22 #include "iremote_stub.h"
23 #include "input/camera_death_recipient.h"
24 #include <mutex>
25 
26 
27 namespace OHOS {
28 namespace CameraStandard {
29 class IStandardCameraListener : public IRemoteBroker {
30 public:
31     virtual ~IStandardCameraListener() = default;
32     DECLARE_INTERFACE_DESCRIPTOR(u"IStandardCameraListener");
33 
AddCameraDeathRecipient(sptr<CameraDeathRecipient> & deathRecipient)34     void AddCameraDeathRecipient(sptr<CameraDeathRecipient> &deathRecipient)
35     {
36         std::lock_guard<std::mutex> lock(deathRecipientLock_);
37         if (this->AsObject() != nullptr) {
38             (void)this->AsObject()->AddDeathRecipient(deathRecipient);
39         }
40         deathRecipient_ = deathRecipient;
41     }
42 
RemoveCameraDeathRecipient()43     void RemoveCameraDeathRecipient()
44     {
45         std::lock_guard<std::mutex> lock(deathRecipientLock_);
46         (void)this->AsObject()->RemoveDeathRecipient(deathRecipient_.promote());
47     }
48 private:
49     std::mutex deathRecipientLock_;
50     wptr<CameraDeathRecipient> deathRecipient_ = nullptr;
51 };
52 } // namespace CameraStandard
53 } // namespace OHOS
54 #endif // I_STANDARD_CAMERA_LISTENER_H
55