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 JS_CALLBACK_MANAGER_H
17 #define JS_CALLBACK_MANAGER_H
18 
19 #include <atomic>
20 #include <mutex>
21 #include <queue>
22 #include <tuple>
23 
24 #include "napi/native_api.h"
25 #include "napi/native_node_api.h"
26 #include "napi_callback_context.h"
27 
28 namespace OHOS {
29 namespace HiviewDFX {
30 using TaskQueue = std::queue<std::tuple<CallbackContext*, CALLBACK_FUNC, RELEASE_FUNC>>;
31 class JsCallbackManager final {
32 public:
JsCallbackManager()33     explicit JsCallbackManager() {}
34 public:
35     void Add(CallbackContext* context, CALLBACK_FUNC callback, RELEASE_FUNC release = nullptr);
36     void Release();
37 
38 private:
39     void ImmediateRun(bool needPop = false);
40     void Clear(TaskQueue& tasks);
41 
42 private:
43     std::atomic<bool> inCalling = false;
44     std::atomic<bool> IsReleased = false;
45     std::mutex managerMutex;
46     TaskQueue jsCallbacks;
47 };
48 } // namespace HiviewDFX
49 } // namespace OHOS
50 #endif // JS_CALLBACK_MANAGER_H