80 lines
2.8 KiB
C++
80 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include <sal/config.h>
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#include <string_view>
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#include <com/sun/star/uno/XComponentContext.hpp>
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#include <rtl/ref.hxx>
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#include <rtl/ustring.hxx>
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#include <osl/conditn.hxx>
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#include <salhelper/simplereferenceobject.hxx>
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struct DownloadInteractionHandler : public virtual salhelper::SimpleReferenceObject
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{
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virtual bool checkDownloadDestination(const OUString& rFileName) = 0;
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// called if the destination file already exists, but resume is false
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virtual bool downloadTargetExists(const OUString& rFileName) = 0;
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// called when curl reports an error
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virtual void downloadStalled(const OUString& rErrorMessage) = 0;
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// progress handler
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virtual void downloadProgressAt(sal_Int8 nPercent) = 0;
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// called on first progress notification
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virtual void downloadStarted(const OUString& rFileName, sal_Int64 nFileSize) = 0;
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// called when download has been finished
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virtual void downloadFinished(const OUString& rFileName) = 0;
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protected:
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virtual ~DownloadInteractionHandler() override {}
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};
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class Download
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{
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public:
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Download(const css::uno::Reference<css::uno::XComponentContext>& xContext,
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const rtl::Reference<DownloadInteractionHandler>& rHandler)
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: m_xContext(xContext)
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, m_aHandler(rHandler){};
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// returns true when the content of rURL was successfully written to rLocalFile
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bool start(const OUString& rURL, const OUString& rFile, const OUString& rDestinationDir);
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// stops the download after the next write operation
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void stop();
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protected:
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// Determines the appropriate proxy settings for the given URL. Returns true if a proxy should be used
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void getProxyForURL(std::u16string_view rURL, OString& rHost, sal_Int32& rPort) const;
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private:
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osl::Condition m_aCondition;
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const css::uno::Reference<css::uno::XComponentContext>& m_xContext;
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const rtl::Reference<DownloadInteractionHandler> m_aHandler;
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};
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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