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 OHOS_ABILITY_RUNTIME_IDLE_TIME_H
17 #define OHOS_ABILITY_RUNTIME_IDLE_TIME_H
18 
19 #include "event_handler.h"
20 #include "native_engine/native_engine.h"
21 
22 namespace OHOS {
23 namespace Rosen {
24 class VSyncReceiver;
25 }
26 namespace AppExecFwk {
27 using IdleTimeCallback = std::function<void(int32_t)>;
28 using IdleNotifyStatusCallback = std::function<void(bool)>;
29 class IdleTime : public std::enable_shared_from_this<IdleTime> {
30 public:
31     IdleTime(const std::shared_ptr<EventHandler> &eventHandler, IdleTimeCallback idleTimeCallback);
32     ~IdleTime() = default;
33     void Start();
34     IdleNotifyStatusCallback GetIdleNotifyFunc();
35 
36 private:
37     int64_t GetSysTimeNs();
38     void InitVSyncReceiver();
39     void EventTask();
40     void PostTask();
41     void SetNeedStop(bool needStop);
42     bool GetNeedStop();
43 
44     bool needStop_ {false};
45     std::shared_ptr<EventHandler> eventHandler_;
46     IdleTimeCallback callback_ = nullptr;
47     std::shared_ptr<Rosen::VSyncReceiver> receiver_ = nullptr;
48 };
49 } // namespace AppExecFwk
50 } // namespace OHOS
51 #endif // OHOS_ABILITY_RUNTIME_IDLE_TIME_H