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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 .
*/
#ifndef INCLUDED_VCL_INC_FONTCACHE_HXX
#define INCLUDED_VCL_INC_FONTCACHE_HXX
#include <rtl/ustring.hxx>
#include <vcl/dllapi.h>
#include <boost/unordered_map.hpp>
#include "fontmanager.hxx"
namespace psp
{
class VCL_PLUGIN_PUBLIC FontCache
{
struct FontDir;
friend struct FontDir;
struct FontFile;
friend struct FontFile;
typedef std::list< PrintFontManager::PrintFont* > FontCacheEntry;
struct FontFile
{
FontCacheEntry m_aEntry;
};
typedef boost::unordered_map< OString, FontFile, OStringHash > FontDirMap;
struct FontDir
{
sal_Int64 m_nTimestamp;
bool m_bNoFiles;
bool m_bUserOverrideOnly;
FontDirMap m_aEntries;
FontDir() : m_nTimestamp(0), m_bNoFiles(false), m_bUserOverrideOnly( false ) {}
};
typedef boost::unordered_map< int, FontDir > FontCacheData;
FontCacheData m_aCache;
OUString m_aCacheFile;
bool m_bDoFlush;
void read();
void clearCache();
void copyPrintFont( const PrintFontManager::PrintFont* pFrom, PrintFontManager::PrintFont* pTo ) const;
bool equalsPrintFont( const PrintFontManager::PrintFont* pLeft, PrintFontManager::PrintFont* pRight ) const;
PrintFontManager::PrintFont* clonePrintFont( const PrintFontManager::PrintFont* pFont ) const;
void createCacheDir( int nDirID );
public:
FontCache();
~FontCache();
bool getFontCacheFile( int nDirID, const OString& rFile, std::list< PrintFontManager::PrintFont* >& rNewFonts ) const;
void updateFontCacheEntry( const PrintFontManager::PrintFont*, bool bFlush );
// returns false for non cached directory
// a cached but empty directory will return true but not append anything
bool listDirectory( const OString& rDir, std::list< PrintFontManager::PrintFont* >& rNewFonts ) const;
// returns true for directoris that contain only user overridden fonts
bool scanAdditionalFiles( const OString& rDir );
void flush();
};
} // namespace psp
#endif // INCLUDED_VCL_INC_FONTCACHE_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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