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 #ifndef REQUEST_RUNNING_TASK_COUNT_H
16 #define REQUEST_RUNNING_TASK_COUNT_H
17 
18 #include <memory>
19 
20 #include "visibility.h"
21 namespace OHOS::Request {
22 class IRunningTaskObserver {
23 public:
24     virtual ~IRunningTaskObserver() = default;
25     virtual void OnRunningTaskCountUpdate(int count) = 0;
26 };
27 
28 REQUEST_API int32_t SubscribeRunningTaskCount(std::shared_ptr<IRunningTaskObserver> ob);
29 REQUEST_API void UnsubscribeRunningTaskCount(std::shared_ptr<IRunningTaskObserver> ob);
30 
31 } // namespace OHOS::Request
32 
33 #endif // REQUEST_RUNNING_TASK_COUNT_H