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 MEDIALIBRARY_APPSTATE_OBSERVER_H
16 #define MEDIALIBRARY_APPSTATE_OBSERVER_H
17 
18 #include "app_mgr_interface.h"
19 #include "application_state_observer_stub.h"
20 
21 namespace OHOS {
22 namespace Media {
23 #define EXPORT __attribute__ ((visibility ("default")))
24 using namespace OHOS::AppExecFwk;
25 class MedialibraryAppStateObserverManager {
26     public:
27         MedialibraryAppStateObserverManager() = default;
28         ~MedialibraryAppStateObserverManager() = default;
29         EXPORT static MedialibraryAppStateObserverManager &GetInstance();
30 
31         EXPORT void SubscribeAppState();
32         EXPORT void UnSubscribeAppState();
33 
34     protected:
35         sptr<ApplicationStateObserverStub> appStateObserver_ = nullptr;
36 
37     private:
38         sptr<IAppMgr> GetAppManagerInstance();
39 };
40 
41 class MedialibraryAppStateObserver : public AppExecFwk::ApplicationStateObserverStub {
42     public:
MedialibraryAppStateObserver()43         MedialibraryAppStateObserver() {};
44         ~MedialibraryAppStateObserver() override = default;
45 
46         void OnAppStopped(const AppStateData &appStateData) override;
47 };
48 }  // namespace Media
49 }  // namespace OHOS
50 #endif // MEDIALIBRARY_APPSTATE_OBSERVER_H
51