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 CSSFontFaceSource_h 27 #define CSSFontFaceSource_h 28 29 #include "CachedResourceClient.h" 30 #include "CachedResourceHandle.h" 31 #include <wtf/HashMap.h> 32 #include <wtf/text/AtomicString.h> 33 34 namespace WebCore { 35 36 class CachedFont; 37 class CSSFontFace; 38 class CSSFontSelector; 39 class FontDescription; 40 class SimpleFontData; 41 #if ENABLE(SVG_FONTS) 42 class SVGFontElement; 43 class SVGFontFaceElement; 44 #endif 45 46 47 class CSSFontFaceSource : public CachedResourceClient { 48 public: 49 CSSFontFaceSource(const String&, CachedFont* = 0); 50 virtual ~CSSFontFaceSource(); 51 52 bool isLoaded() const; 53 bool isValid() const; 54 string()55 const AtomicString& string() const { return m_string; } 56 setFontFace(CSSFontFace * face)57 void setFontFace(CSSFontFace* face) { m_face = face; } 58 59 virtual void fontLoaded(CachedFont*); 60 61 SimpleFontData* getFontData(const FontDescription&, bool syntheticBold, bool syntheticItalic, CSSFontSelector*); 62 63 void pruneTable(); 64 65 #if ENABLE(SVG_FONTS) 66 SVGFontFaceElement* svgFontFaceElement() const; 67 void setSVGFontFaceElement(PassRefPtr<SVGFontFaceElement>); 68 bool isSVGFontFaceSource() const; setHasExternalSVGFont(bool value)69 void setHasExternalSVGFont(bool value) { m_hasExternalSVGFont = value; } 70 #endif 71 72 private: 73 AtomicString m_string; // URI for remote, built-in font name for local. 74 CachedResourceHandle<CachedFont> m_font; // For remote fonts, a pointer to our cached resource. 75 CSSFontFace* m_face; // Our owning font face. 76 HashMap<unsigned, SimpleFontData*> m_fontDataTable; // The hash key is composed of size synthetic styles. 77 78 #if ENABLE(SVG_FONTS) 79 RefPtr<SVGFontFaceElement> m_svgFontFaceElement; 80 RefPtr<SVGFontElement> m_externalSVGFontElement; 81 bool m_hasExternalSVGFont; 82 #endif 83 }; 84 85 } 86 87 #endif 88