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 OHOS_CLOUD_MEDIA_ASSET_OBSERVER_H 17 #define OHOS_CLOUD_MEDIA_ASSET_OBSERVER_H 18 19 #include "datashare_helper.h" 20 #include "datashare_observer.h" 21 22 namespace OHOS { 23 namespace Media { 24 #define EXPORT __attribute__ ((visibility ("default"))) 25 class CloudMediaAssetDownloadOperation; 26 27 class CloudMediaAssetObserver : public DataShare::DataShareObserver { 28 public: CloudMediaAssetObserver(std::shared_ptr<CloudMediaAssetDownloadOperation> operation)29 CloudMediaAssetObserver(std::shared_ptr<CloudMediaAssetDownloadOperation> operation) : operation_(operation) {} ~CloudMediaAssetObserver()30 ~CloudMediaAssetObserver() {} 31 void OnChange(const ChangeInfo &changeInfo) override; 32 33 private: 34 std::shared_ptr<CloudMediaAssetDownloadOperation> operation_ = nullptr; 35 }; 36 } // namespace Media 37 } // namespace OHOS 38 #endif // OHOS_CLOUD_MEDIA_ASSET_OBSERVER_H