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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 .
*/
#pragma once
#include <sal/config.h>
#include <memory>
#include <mutex>
#include <com/sun/star/ucb/XCommandEnvironment.hpp>
#include <salhelper/thread.hxx>
#include <ucbhelper/content.hxx>
#include <rtl/ustring.hxx>
#include <tools/datetime.hxx>
#include <utility>
namespace svt
{
//= SortingData_Impl
struct SortingData_Impl
{
private:
OUString maFilename; // only filename in upper case - for compare purposes
OUString maTitle; // -> be careful when changing maTitle to update maFilename only when new
OUString maLowerTitle;
public:
OUString maType;
OUString maTargetURL;
OUString maDisplayName;
OUString maDisplaySize;
OUString maDisplayDate;
DateTime maModDate;
OUString maImage;
sal_Int64 maSize;
bool mbIsFolder;
bool mbIsVolume;
bool mbIsRemote;
bool mbIsRemoveable;
bool mbIsFloppy;
bool mbIsCompactDisc;
inline SortingData_Impl();
inline const OUString& GetTitle() const;
inline const OUString& GetLowerTitle() const;
inline const OUString& GetFileName() const;
inline void SetNewTitle( const OUString& rNewTitle ); // new maTitle is set -> maFilename is set to same!
private:
inline void SetTitles( const OUString& rNewTitle );
};
inline SortingData_Impl::SortingData_Impl() :
maModDate ( DateTime::EMPTY ),
maSize ( 0 ),
mbIsFolder ( false ),
mbIsVolume ( false ),
mbIsRemote ( false ),
mbIsRemoveable ( false ),
mbIsFloppy ( false ),
mbIsCompactDisc ( false )
{
}
inline const OUString& SortingData_Impl::GetTitle() const
{
return maTitle;
}
inline const OUString& SortingData_Impl::GetLowerTitle() const
{
return maLowerTitle;
}
inline const OUString& SortingData_Impl::GetFileName() const
{
return maFilename;
}
inline void SortingData_Impl::SetNewTitle( const OUString& rNewTitle )
{
SetTitles( rNewTitle );
maFilename = rNewTitle.toAsciiUpperCase();
}
inline void SortingData_Impl::SetTitles( const OUString& rNewTitle )
{
maTitle = rNewTitle;
maLowerTitle = rNewTitle.toAsciiLowerCase();
}
//= EnumerationResult
enum class EnumerationResult
{
SUCCESS, /// the enumeration was successful
ERROR, /// the enumeration was unsuccessful
};
//= FolderDescriptor
struct FolderDescriptor
{
/** a content object describing the folder. Can be <NULL/>, in this case <member>sURL</member>
is relevant.
*/
::ucbhelper::Content aContent;
/** the URL of a folder. Will be ignored if <member>aContent</member> is not <NULL/>.
*/
OUString sURL;
FolderDescriptor() { }
explicit FolderDescriptor( OUString _aURL )
:sURL(std::move( _aURL ))
{
}
};
//= IEnumerationResultHandler
class IEnumerationResultHandler
{
public:
virtual void enumerationDone( EnumerationResult _eResult ) = 0;
protected:
~IEnumerationResultHandler() {}
};
//= FileViewContentEnumerator
class FileViewContentEnumerator: public salhelper::Thread
{
public:
typedef ::std::vector< std::unique_ptr<SortingData_Impl> > ContentData;
private:
ContentData& m_rContent;
::osl::Mutex& m_rContentMutex;
mutable std::mutex m_aMutex;
FolderDescriptor m_aFolder;
css::uno::Reference< css::ucb::XCommandEnvironment >
m_xCommandEnv;
IEnumerationResultHandler* m_pResultHandler;
bool m_bCancelled;
css::uno::Sequence< OUString > m_rDenyList;
bool URLOnDenyList ( std::u16string_view sRealURL );
public:
/** constructs an enumerator instance
@param _rContentToFill
the structure which is to be filled with the found content
@param _rContentMutex
the mutex which protects the access to <arg>_rContentToFill</arg>
@param _pTranslator
an instance which should be used to translate content titles. May be <NULL/>
*/
FileViewContentEnumerator(
const css::uno::Reference< css::ucb::XCommandEnvironment >& _rxCommandEnv,
ContentData& _rContentToFill,
::osl::Mutex& _rContentMutex
);
/** enumerates the content of a given folder
@param _rFolder
the folder whose content is to be enumerated
@param _pFilter
a filter to apply to the found contents
@param _pResultHandler
an instance which should handle the results of the enumeration
*/
void enumerateFolderContent(
const FolderDescriptor& _rFolder,
IEnumerationResultHandler* _pResultHandler
);
/** enumerates the content of a given folder synchronously
*/
EnumerationResult enumerateFolderContentSync(
const FolderDescriptor& _rFolder,
const css::uno::Sequence< OUString >& rDenyList
);
/** cancels the running operation.
Note that "cancel" may mean that the operation is running, but its result
is simply disregarded later on.
*/
void cancel();
protected:
virtual ~FileViewContentEnumerator() override;
private:
EnumerationResult enumerateFolderContent();
// Thread overridables
virtual void execute() override;
};
} // namespace svt
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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