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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
#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 OUString& rFileName) = 0;
// called if the destination file already exists, but resume is false
virtual bool downloadTargetExists(const OUString& rFileName) = 0;
// called when curl reports an error
virtual void downloadStalled(const OUString& rErrorMessage) = 0;
// progress handler
virtual void downloadProgressAt(sal_Int8 nPercent) = 0;
// called on first progress notification
virtual void downloadStarted(const OUString& rFileName, sal_Int64 nFileSize) = 0;
// called when download has been finished
virtual void downloadFinished(const OUString& rFileName) = 0;
protected:
~DownloadInteractionHandler() {}
};
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 OUString& rURL, const OUString& rFile, const OUString& rDestinationDir);
// stops the download after the next write operation
void stop();
// returns true if the stop condition is set
bool isStopped() const
{ return 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 OUString& rURL, 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;
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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