1 /* 2 * Copyright (c) 2021-2024 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 FOUNDATION_ACE_FRAMEWORKS_BASE_NETWORK_DOWNLOAD_MANAGER_H 17 #define FOUNDATION_ACE_FRAMEWORKS_BASE_NETWORK_DOWNLOAD_MANAGER_H 18 19 #include <condition_variable> 20 #include <cstdint> 21 #include <functional> 22 #include <mutex> 23 #include <optional> 24 #include <string> 25 26 namespace OHOS::Ace { 27 struct DownloadCallback { 28 std::function<void(const std::string&&, bool, int32_t)> successCallback; 29 std::function<void(std::string, bool, int32_t)> failCallback; 30 std::function<void(std::string, bool, int32_t)> cancelCallback; 31 }; 32 33 struct DownloadCondition { 34 std::condition_variable cv; 35 std::string dataOut; 36 std::mutex downloadMutex; 37 std::string errorMsg; 38 std::optional<bool> downloadSuccess; 39 }; 40 41 class DownloadManager { 42 public: 43 static DownloadManager* GetInstance(); 44 45 virtual ~DownloadManager() = default; 46 47 virtual bool Download(const std::string& url, std::vector<uint8_t>& dataOut); 48 virtual bool DownloadAsync(DownloadCallback&& downloadCallback, const std::string& url, int32_t instanceId); 49 virtual bool DownloadSync(DownloadCallback&& downloadCallback, const std::string& url, int32_t instanceId); 50 51 private: 52 static std::unique_ptr<DownloadManager> instance_; 53 static std::mutex mutex_; 54 }; 55 56 } // namespace OHOS::Ace 57 58 #endif // FOUNDATION_ACE_FRAMEWORKS_BASE_NETWORK_DOWNLOAD_MANAGER_H 59