* Copyright (c) 2025-2025 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef OHOS_CAMERA_SIMPLE_TIMER_H
#define OHOS_CAMERA_SIMPLE_TIMER_H
#include <condition_variable>
#include <functional>
#include <mutex>
namespace OHOS {
namespace CameraStandard {
class SimpleTimer {
public:
enum class TimerStatus { IDLE, RUNNING, CANCEL, DONE };
public:
explicit SimpleTimer(std::function<void()> fun);
~SimpleTimer();
bool StartTask(uint64_t timeoutMs);
bool CancelTask();
private:
void InterruptableSleep(uint64_t timeoutMs);
std::mutex timerMtx_;
std::condition_variable timerCv_;
TimerStatus timerStatus_ = TimerStatus::IDLE;
std::function<void()> innerFun_;
};
}
}
#endif