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 #ifndef _PSPRINT_FONTCACHE_HXX 29 #define _PSPRINT_FONTCACHE_HXX 30 31 #include "vcl/dllapi.h" 32 #include "vcl/fontmanager.hxx" 33 34 #include "tools/string.hxx" 35 36 #include <hash_map> 37 38 namespace psp 39 { 40 41 class VCL_PLUGIN_PUBLIC FontCache 42 { 43 struct FontDir; 44 friend class FontDir; 45 struct FontFile; 46 friend class FontFile; 47 48 typedef std::list< PrintFontManager::PrintFont* > FontCacheEntry; 49 struct FontFile 50 { 51 FontCacheEntry m_aEntry; 52 }; 53 54 typedef std::hash_map< ::rtl::OString, FontFile, ::rtl::OStringHash > FontDirMap; 55 struct FontDir 56 { 57 sal_Int64 m_nTimestamp; 58 bool m_bNoFiles; 59 bool m_bUserOverrideOnly; 60 FontDirMap m_aEntries; 61 62 FontDir() : m_nTimestamp(0), m_bNoFiles(false), m_bUserOverrideOnly( false ) {} 63 }; 64 65 typedef std::hash_map< int, FontDir > FontCacheData; 66 FontCacheData m_aCache; 67 String m_aCacheFile; 68 bool m_bDoFlush; 69 70 void read(); 71 void clearCache(); 72 73 void copyPrintFont( const PrintFontManager::PrintFont* pFrom, PrintFontManager::PrintFont* pTo ) const; 74 bool equalsPrintFont( const PrintFontManager::PrintFont* pLeft, PrintFontManager::PrintFont* pRight ) const; 75 PrintFontManager::PrintFont* clonePrintFont( const PrintFontManager::PrintFont* pFont ) const; 76 77 void createCacheDir( int nDirID ); 78 public: 79 FontCache(); 80 ~FontCache(); 81 82 bool getFontCacheFile( int nDirID, const rtl::OString& rFile, std::list< PrintFontManager::PrintFont* >& rNewFonts ) const; 83 void updateFontCacheEntry( const PrintFontManager::PrintFont*, bool bFlush ); 84 void markEmptyDir( int nDirID, bool bNoFiles = true ); 85 86 // returns false for non cached directory 87 // a cached but empty directory will return true but not append anything 88 bool listDirectory( const rtl::OString& rDir, std::list< PrintFontManager::PrintFont* >& rNewFonts ) const; 89 // returns true for directoris that contain only user overridden fonts 90 bool scanAdditionalFiles( const rtl::OString& rDir ); 91 92 void flush(); 93 94 void updateDirTimestamp( int nDirID ); 95 }; 96 97 } // namespace psp 98 99 #endif // _PSPRINT_FONTCACHE_HXX 100