WebCore/CSSSegmentedFontFace.h

   1 /*
   2  * Copyright (C) 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 CSSSegmentedFontFace_h
  27 #define CSSSegmentedFontFace_h
  28
  29 #include <wtf/HashMap.h>
  30 #include <wtf/PassRefPtr.h>
  31 #include <wtf/RefCounted.h>
  32 #include <wtf/Vector.h>
  33 #include <wtf/unicode/Unicode.h>
  34
  35 namespace WebCore {
  36
  37 class CSSFontFace;
  38 class CSSFontSelector;
  39 class FontData;
  40 class FontDescription;
  41 class SegmentedFontData;
  42
  43 class CSSSegmentedFontFace : public RefCounted<CSSSegmentedFontFace> {
  44 public:
  45     static PassRefPtr<CSSSegmentedFontFace> create(CSSFontSelector* selector) { return adoptRef(new CSSSegmentedFontFace(selector)); }
  46     ~CSSSegmentedFontFace();
  47
  48     bool isLoaded() const;
  49     bool isValid() const;
  50     CSSFontSelector* fontSelector() const { return m_fontSelector; }
  51
  52     void fontLoaded(CSSFontFace*);
  53
  54     void appendFontFace(PassRefPtr<CSSFontFace>);
  55
  56     FontData* getFontData(const FontDescription&);
  57
  58 private:
  59     CSSSegmentedFontFace(CSSFontSelector*);
  60
  61     void pruneTable();
  62
  63     CSSFontSelector* m_fontSelector;
  64     HashMap<unsigned, SegmentedFontData*> m_fontDataTable;
  65     Vector<RefPtr<CSSFontFace>, 1> m_fontFaces;
  66 };
  67
  68 } // namespace WebCore
  69
  70 #endif // CSSSegmentedFontFace_h