1 /*
2  * Copyright (c) 2024 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 RESSCHED_INTERFACES_KITS_JS_SYSTEMLOAD_LISTENER_H
17 #define RESSCHED_INTERFACES_KITS_JS_SYSTEMLOAD_LISTENER_H
18 
19 #include <functional>
20 #include <memory>
21 
22 #include "napi/native_api.h"
23 #include "napi/native_node_api.h"
24 #include "native_engine/native_engine.h"
25 #include "res_sched_systemload_notifier_client.h"
26 
27 namespace OHOS {
28 namespace ResourceSchedule {
29 class SystemloadListener : public ResSchedSystemloadNotifierClient {
30 public:
31     using OnSystemloadLevelCb = std::function<void(napi_env, napi_value, int32_t)>;
32     SystemloadListener(napi_env env, napi_value callbackObj, OnSystemloadLevelCb callback);
33     virtual ~SystemloadListener() = default;
34     void OnSystemloadLevel(int32_t level) override;
35 private:
36     static void ThreadSafeCallBack(napi_env env, napi_value js_cb, void *context, void *data);
37     napi_threadsafe_function threadSafeFunction_ = nullptr;
38     napi_env napiEnv_ = nullptr;
39     OnSystemloadLevelCb systemloadLevelCb_ = nullptr;
40     std::shared_ptr<NativeReference> callbackRef_ = nullptr;
41 };
42 } // ResourceSchedule
43 } // OHOS
44 
45 #endif // RESSCHED_INTERFACES_KITS_JS_SYSTEMLOAD_LISTENER_H