1 /*
2  * Copyright (c) 2023 Shenzhen Kaihong Digital Industry Development 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_SHARING_TIMEOUT_TIMER_CPP
17 #define OHOS_SHARING_TIMEOUT_TIMER_CPP
18 
19 #include <functional>
20 #include <future>
21 #include <memory>
22 #include <thread>
23 #include <utility>
24 
25 namespace OHOS {
26 namespace Sharing {
27 class TimeoutTimer {
28 public:
29     explicit TimeoutTimer(std::string info = "TimeoutTimer");
30     ~TimeoutTimer();
31 
32     void StopTimer();
33     void SetTimeoutCallback(std::function<void()> callback);
34     void StartTimer(int timeout, std::string info = "none", std::function<void()> callback = nullptr,
35         bool reuse = false);
36 
37 private:
38     void MainLoop();
39 
40 private:
41     enum State { INIT, WAITING, WORKING, CANCELLED, EXITED };
42 
43     bool reuse_ = false;
44 
45     int timeout_ = 0;
46 
47     std::string taskName_;
48     std::mutex taskMutex_;
49     std::mutex waitMutex_;
50     std::mutex cancelMutex_;
51     std::mutex operateMutex_;
52     std::function<void()> callback_;
53     std::condition_variable taskSignal_;
54     std::condition_variable waitSignal_;
55     std::condition_variable cancelSignal_;
56     std::unique_ptr<std::thread> thread_;
57 
58     State state_ = INIT;
59 };
60 } // namespace Sharing
61 } // namespace OHOS
62 #endif // OHOS_SHARING_TIMEOUT_TIMER_CPP