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 OHOS_MTP_STORE_OBSERVER_H
16 #define OHOS_MTP_STORE_OBSERVER_H
17 
18 #include <memory>
19 #include "common_event_subscriber.h"
20 #include "mtp_operation_context.h"
21 
22 namespace OHOS {
23 namespace Media {
24 #define EXPORT __attribute__ ((visibility ("default")))
25 class MtpStoreObserver : public EventFwk::CommonEventSubscriber {
26 public:
27     EXPORT virtual ~MtpStoreObserver() = default;
28     EXPORT explicit MtpStoreObserver(const EventFwk::CommonEventSubscribeInfo &subscriberInfo);
29 
30     EXPORT static bool StartObserver();
31     EXPORT static bool StopObserver();
32     EXPORT static void AttachContext(const std::shared_ptr<MtpOperationContext> &context);
33     EXPORT void OnReceiveEvent(const EventFwk::CommonEventData &eventData) override;
34 };
35 } // namespace Media
36 } // namespace OHOS
37 #endif // OHOS_MTP_STORE_OBSERVER_H
38