WebCore/CSSFontSelector.h

   1 /*
   2  * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef CSSFontSelector_h
  27 #define CSSFontSelector_h
  28
  29 #include "FontSelector.h"
  30 #include "StringHash.h"
  31 #include <wtf/HashMap.h>
  32 #include <wtf/RefPtr.h>
  33
  34 namespace WebCore {
  35
  36 class AtomicString;
  37 class CSSFontFace;
  38 class CSSFontFaceRule;
  39 class CSSSegmentedFontFace;
  40 class Document;
  41 class DocLoader;
  42 class FontDescription;
  43 class String;
  44
  45 class CSSFontSelector : public FontSelector {
  46 public:
  47     static PassRefPtr<CSSFontSelector> create(Document* document)
  48     {
  49         return adoptRef(new CSSFontSelector(document));
  50     }
  51     virtual ~CSSFontSelector();
  52
  53     virtual FontData* getFontData(const FontDescription& fontDescription, const AtomicString& familyName);
  54
  55     void clearDocument() { m_document = 0; }
  56
  57     void addFontFaceRule(const CSSFontFaceRule*);
  58
  59     void fontLoaded();
  60     virtual void fontCacheInvalidated();
  61
  62     bool isEmpty() const;
  63
  64     DocLoader* docLoader() const;
  65
  66 private:
  67     CSSFontSelector(Document*);
  68
  69     Document* m_document;
  70     HashMap<String, Vector<RefPtr<CSSFontFace> >*, CaseFoldingHash> m_fontFaces;
  71     HashMap<String, Vector<RefPtr<CSSFontFace> >*, CaseFoldingHash> m_locallyInstalledFontFaces;
  72     HashMap<String, HashMap<unsigned, RefPtr<CSSSegmentedFontFace> >*, CaseFoldingHash> m_fonts;
  73 };
  74
  75 } // namespace WebCore
  76
  77 #endif // CSSFontSelector_h