xref: /aoo41x/main/vcl/inc/fontcache.hxx (revision cdf0e10c)
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27*cdf0e10cSrcweir 
28*cdf0e10cSrcweir #ifndef _PSPRINT_FONTCACHE_HXX
29*cdf0e10cSrcweir #define _PSPRINT_FONTCACHE_HXX
30*cdf0e10cSrcweir 
31*cdf0e10cSrcweir #include "vcl/dllapi.h"
32*cdf0e10cSrcweir #include "vcl/fontmanager.hxx"
33*cdf0e10cSrcweir 
34*cdf0e10cSrcweir #include "tools/string.hxx"
35*cdf0e10cSrcweir 
36*cdf0e10cSrcweir #include <hash_map>
37*cdf0e10cSrcweir 
38*cdf0e10cSrcweir namespace psp
39*cdf0e10cSrcweir {
40*cdf0e10cSrcweir 
41*cdf0e10cSrcweir class VCL_PLUGIN_PUBLIC FontCache
42*cdf0e10cSrcweir {
43*cdf0e10cSrcweir     struct FontDir;
44*cdf0e10cSrcweir     friend class FontDir;
45*cdf0e10cSrcweir     struct FontFile;
46*cdf0e10cSrcweir     friend class FontFile;
47*cdf0e10cSrcweir 
48*cdf0e10cSrcweir     typedef std::list< PrintFontManager::PrintFont* > FontCacheEntry;
49*cdf0e10cSrcweir     struct FontFile
50*cdf0e10cSrcweir     {
51*cdf0e10cSrcweir         FontCacheEntry		m_aEntry;
52*cdf0e10cSrcweir     };
53*cdf0e10cSrcweir 
54*cdf0e10cSrcweir     typedef std::hash_map< ::rtl::OString, FontFile, ::rtl::OStringHash > FontDirMap;
55*cdf0e10cSrcweir     struct FontDir
56*cdf0e10cSrcweir     {
57*cdf0e10cSrcweir         sal_Int64	m_nTimestamp;
58*cdf0e10cSrcweir         bool		m_bNoFiles;
59*cdf0e10cSrcweir         bool        m_bUserOverrideOnly;
60*cdf0e10cSrcweir         FontDirMap	m_aEntries;
61*cdf0e10cSrcweir 
62*cdf0e10cSrcweir         FontDir() : m_nTimestamp(0), m_bNoFiles(false), m_bUserOverrideOnly( false ) {}
63*cdf0e10cSrcweir     };
64*cdf0e10cSrcweir 
65*cdf0e10cSrcweir     typedef std::hash_map< int, FontDir > FontCacheData;
66*cdf0e10cSrcweir     FontCacheData	m_aCache;
67*cdf0e10cSrcweir     String			m_aCacheFile;
68*cdf0e10cSrcweir     bool			m_bDoFlush;
69*cdf0e10cSrcweir 
70*cdf0e10cSrcweir     void read();
71*cdf0e10cSrcweir     void clearCache();
72*cdf0e10cSrcweir 
73*cdf0e10cSrcweir     void copyPrintFont( const PrintFontManager::PrintFont* pFrom, PrintFontManager::PrintFont* pTo ) const;
74*cdf0e10cSrcweir     bool equalsPrintFont( const PrintFontManager::PrintFont* pLeft, PrintFontManager::PrintFont* pRight ) const;
75*cdf0e10cSrcweir     PrintFontManager::PrintFont* clonePrintFont( const PrintFontManager::PrintFont* pFont ) const;
76*cdf0e10cSrcweir 
77*cdf0e10cSrcweir     void createCacheDir( int nDirID );
78*cdf0e10cSrcweir public:
79*cdf0e10cSrcweir     FontCache();
80*cdf0e10cSrcweir     ~FontCache();
81*cdf0e10cSrcweir 
82*cdf0e10cSrcweir     bool getFontCacheFile( int nDirID, const rtl::OString& rFile, std::list< PrintFontManager::PrintFont* >& rNewFonts ) const;
83*cdf0e10cSrcweir     void updateFontCacheEntry( const PrintFontManager::PrintFont*, bool bFlush );
84*cdf0e10cSrcweir     void markEmptyDir( int nDirID, bool bNoFiles = true );
85*cdf0e10cSrcweir 
86*cdf0e10cSrcweir     // returns false for non cached directory
87*cdf0e10cSrcweir     // a cached but empty directory will return true but not append anything
88*cdf0e10cSrcweir     bool listDirectory( const rtl::OString& rDir, std::list< PrintFontManager::PrintFont* >& rNewFonts ) const;
89*cdf0e10cSrcweir     // returns true for directoris that contain only user overridden fonts
90*cdf0e10cSrcweir     bool scanAdditionalFiles( const rtl::OString& rDir );
91*cdf0e10cSrcweir 
92*cdf0e10cSrcweir     void flush();
93*cdf0e10cSrcweir 
94*cdf0e10cSrcweir     void updateDirTimestamp( int nDirID );
95*cdf0e10cSrcweir };
96*cdf0e10cSrcweir 
97*cdf0e10cSrcweir } // namespace psp
98*cdf0e10cSrcweir 
99*cdf0e10cSrcweir #endif // _PSPRINT_FONTCACHE_HXX
100