1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #ifndef _PSPRINT_FONTCACHE_HXX 25 #define _PSPRINT_FONTCACHE_HXX 26 27 #include "vcl/dllapi.h" 28 #include "vcl/fontmanager.hxx" 29 30 #include "tools/string.hxx" 31 32 #include <hash_map> 33 34 namespace psp 35 { 36 37 class VCL_PLUGIN_PUBLIC FontCache 38 { 39 typedef std::list< PrintFontManager::PrintFont* > FontCacheEntry; 40 struct FontFile 41 { 42 FontCacheEntry m_aEntry; 43 }; 44 45 typedef std::hash_map< ::rtl::OString, FontFile, ::rtl::OStringHash > FontDirMap; 46 struct FontDir 47 { 48 sal_Int64 m_nTimestamp; 49 bool m_bNoFiles; 50 bool m_bUserOverrideOnly; 51 FontDirMap m_aEntries; 52 FontDirpsp::FontCache::FontDir53 FontDir() : m_nTimestamp(0), m_bNoFiles(false), m_bUserOverrideOnly( false ) {} 54 }; 55 56 typedef std::hash_map< int, FontDir > FontCacheData; 57 FontCacheData m_aCache; 58 String m_aCacheFile; 59 bool m_bDoFlush; 60 61 void read(); 62 void clearCache(); 63 64 void copyPrintFont( const PrintFontManager::PrintFont* pFrom, PrintFontManager::PrintFont* pTo ) const; 65 bool equalsPrintFont( const PrintFontManager::PrintFont* pLeft, PrintFontManager::PrintFont* pRight ) const; 66 PrintFontManager::PrintFont* clonePrintFont( const PrintFontManager::PrintFont* pFont ) const; 67 68 void createCacheDir( int nDirID ); 69 public: 70 FontCache(); 71 ~FontCache(); 72 73 bool getFontCacheFile( int nDirID, const rtl::OString& rFile, std::list< PrintFontManager::PrintFont* >& rNewFonts ) const; 74 void updateFontCacheEntry( const PrintFontManager::PrintFont*, bool bFlush ); 75 void markEmptyDir( int nDirID, bool bNoFiles = true ); 76 77 // returns false for non cached directory 78 // a cached but empty directory will return true but not append anything 79 bool listDirectory( const rtl::OString& rDir, std::list< PrintFontManager::PrintFont* >& rNewFonts ) const; 80 // returns true for directoris that contain only user overridden fonts 81 bool scanAdditionalFiles( const rtl::OString& rDir ); 82 83 void flush(); 84 85 void updateDirTimestamp( int nDirID ); 86 }; 87 88 } // namespace psp 89 90 #endif // _PSPRINT_FONTCACHE_HXX 91 92