1 /*
2  * Copyright (c) 2023-2023 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_CAMERA_DPS_TIMER_H
17 #define OHOS_CAMERA_DPS_TIMER_H
18 
19 #include "commonlibrary/c_utils/base/include/timer.h"
20 #include "singleton.h"
21 
22 namespace OHOS {
23 namespace CameraStandard {
24 namespace DeferredProcessing {
25 constexpr uint32_t INVALID_TIMEID = 0;
26 
27 class DpsTimer : public Singleton<DpsTimer> {
28     DECLARE_SINGLETON(DpsTimer)
29 
30 public:
31     using TimerCallback = std::function<void()>;
32 
33     uint32_t StartTimer(const TimerCallback& callback, uint32_t interval);
34     void StopTimer(uint32_t& timerId);
35 
36 private:
37     std::unique_ptr<Utils::Timer> timer_ {nullptr};
38 };
39 } // namespace DeferredProcessing
40 } // namespace CameraStandard
41 } // namespace OHOS
42 #endif  // OHOS_CAMERA_DPS_TIMER_H