1 /*
2  * Copyright (c) 2021 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 RENDER_SERVICE_BASE_CORE_COMMON_RS_THREAD_HANDLER_H
17 #define RENDER_SERVICE_BASE_CORE_COMMON_RS_THREAD_HANDLER_H
18 
19 #include <functional>
20 #include <memory>
21 
22 namespace OHOS {
23 namespace Rosen {
24 class RSTaskMessage {
25 public:
26     using RSTask = std::function<void()>;
27 };
28 
29 using RSTaskHandle = std::shared_ptr<RSTaskMessage>;
30 
31 class RSThreadHandler {
32 public:
33     RSThreadHandler() = default;
34     virtual ~RSThreadHandler() = default;
35 
36     static std::unique_ptr<RSThreadHandler> Create();
37     virtual RSTaskHandle CreateTask(const RSTaskMessage::RSTask task) const = 0;
38     virtual void PostTask(const RSTaskHandle task, int param = 0) = 0;
39     virtual void PostTaskDelay(const RSTaskHandle task, int64_t nsecs, int param = 0) = 0;
40     virtual void CancelTask(RSTaskHandle task) = 0;
41     virtual bool IsValid() const = 0;
42     static RSTaskHandle StaticCreateTask(const RSTaskMessage::RSTask task);
43 
44 private:
45     RSThreadHandler(const RSThreadHandler&) = delete;
46     const RSThreadHandler& operator=(const RSThreadHandler&) = delete;
47     RSThreadHandler(const RSThreadHandler&&) = delete;
48     const RSThreadHandler& operator=(const RSThreadHandler&&) = delete;
49 };
50 } // namespace Rosen
51 } // namespace OHOS
52 
53 #endif // RENDER_SERVICE_BASE_CORE_COMMON_RS_THREAD_HANDLER_H
54