| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| |
| #include <com/sun/star/uno/XComponentContext.hpp> |
| |
| #include <rtl/ref.hxx> |
| #include <rtl/ustring.hxx> |
| #include <osl/conditn.hxx> |
| #include <osl/file.h> |
| |
| struct DownloadInteractionHandler : public rtl::IReference |
| { |
| virtual bool checkDownloadDestination(const rtl::OUString& rFileName) = 0; |
| |
| // called if the destination file already exists, but resume is false |
| virtual bool downloadTargetExists(const rtl::OUString& rFileName) = 0; |
| |
| // called when curl reports an error |
| virtual void downloadStalled(const rtl::OUString& rErrorMessage) = 0; |
| |
| // progress handler |
| virtual void downloadProgressAt(sal_Int8 nPercent) = 0; |
| |
| // called on first progress notification |
| virtual void downloadStarted(const rtl::OUString& rFileName, sal_Int64 nFileSize) = 0; |
| |
| // called when download has been finished |
| virtual void downloadFinished(const rtl::OUString& rFileName) = 0; |
| }; |
| |
| |
| class Download |
| { |
| public: |
| Download(const com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext >& xContext, |
| const rtl::Reference< DownloadInteractionHandler >& rHandler) : m_xContext(xContext), m_aHandler(rHandler) {}; |
| |
| // returns true when the content of rURL was successfully written to rLocalFile |
| bool start(const rtl::OUString& rURL, const rtl::OUString& rFile, const rtl::OUString& rDestinationDir); |
| |
| // stops the download after the next write operation |
| void stop(); |
| |
| // returns true if the stop condition is set |
| bool isStopped() const |
| { return sal_True == const_cast <Download *> (this)->m_aCondition.check(); }; |
| |
| protected: |
| |
| // Determines the appropriate proxy settings for the given URL. Returns true if a proxy should be used |
| void getProxyForURL(const rtl::OUString& rURL, rtl::OString& rHost, sal_Int32& rPort) const; |
| |
| private: |
| osl::Condition m_aCondition; |
| const com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext >& m_xContext; |
| const rtl::Reference< DownloadInteractionHandler > m_aHandler; |
| }; |
| |
| |