1 /************************************************************************* 2 * 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * Copyright 2000, 2010 Oracle and/or its affiliates. 6 * 7 * OpenOffice.org - a multi-platform office productivity suite 8 * 9 * This file is part of OpenOffice.org. 10 * 11 * OpenOffice.org is free software: you can redistribute it and/or modify 12 * it under the terms of the GNU Lesser General Public License version 3 13 * only, as published by the Free Software Foundation. 14 * 15 * OpenOffice.org is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 29 #include <com/sun/star/uno/XComponentContext.hpp> 30 31 #include <rtl/ref.hxx> 32 #include <rtl/ustring.hxx> 33 #include <osl/conditn.hxx> 34 #include <osl/file.h> 35 36 struct DownloadInteractionHandler : public rtl::IReference 37 { 38 virtual bool checkDownloadDestination(const rtl::OUString& rFileName) = 0; 39 40 // called if the destination file already exists, but resume is false 41 virtual bool downloadTargetExists(const rtl::OUString& rFileName) = 0; 42 43 // called when curl reports an error 44 virtual void downloadStalled(const rtl::OUString& rErrorMessage) = 0; 45 46 // progress handler 47 virtual void downloadProgressAt(sal_Int8 nPercent) = 0; 48 49 // called on first progress notification 50 virtual void downloadStarted(const rtl::OUString& rFileName, sal_Int64 nFileSize) = 0; 51 52 // called when download has been finished 53 virtual void downloadFinished(const rtl::OUString& rFileName) = 0; 54 }; 55 56 57 class Download 58 { 59 public: 60 Download(const com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext >& xContext, 61 const rtl::Reference< DownloadInteractionHandler >& rHandler) : m_xContext(xContext), m_aHandler(rHandler) {}; 62 63 // returns true when the content of rURL was successfully written to rLocalFile 64 bool start(const rtl::OUString& rURL, const rtl::OUString& rFile, const rtl::OUString& rDestinationDir); 65 66 // stops the download after the next write operation 67 void stop(); 68 69 // returns true if the stop condition is set 70 bool isStopped() const 71 { return sal_True == const_cast <Download *> (this)->m_aCondition.check(); }; 72 73 protected: 74 75 // Determines the appropriate proxy settings for the given URL. Returns true if a proxy should be used 76 void getProxyForURL(const rtl::OUString& rURL, rtl::OString& rHost, sal_Int32& rPort) const; 77 78 private: 79 osl::Condition m_aCondition; 80 const com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext >& m_xContext; 81 const rtl::Reference< DownloadInteractionHandler > m_aHandler; 82 }; 83 84 85