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      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 CSSFontFaceSrcValue_h
     27 #define CSSFontFaceSrcValue_h
     28 
     29 #include "CSSValue.h"
     30 #include "PlatformString.h"
     31 #include <wtf/PassRefPtr.h>
     32 
     33 #if ENABLE(SVG_FONTS)
     34 #include "SVGFontFaceElement.h"
     35 #endif
     36 
     37 namespace WebCore {
     38 
     39 class CSSFontFaceSrcValue : public CSSValue {
     40 public:
     41     static PassRefPtr<CSSFontFaceSrcValue> create(const String& resource)
     42     {
     43         return adoptRef(new CSSFontFaceSrcValue(resource, false));
     44     }
     45     static PassRefPtr<CSSFontFaceSrcValue> createLocal(const String& resource)
     46     {
     47         return adoptRef(new CSSFontFaceSrcValue(resource, true));
     48     }
     49 
     50     virtual ~CSSFontFaceSrcValue() { }
     51 
     52     const String& resource() const { return m_resource; }
     53     const String& format() const { return m_format; }
     54     bool isLocal() const { return m_isLocal; }
     55 
     56     void setFormat(const String& format) { m_format = format; }
     57 
     58     bool isSupportedFormat() const;
     59 
     60 #if ENABLE(SVG_FONTS)
     61     bool isSVGFontFaceSrc() const;
     62 
     63     SVGFontFaceElement* svgFontFaceElement() const { return m_svgFontFaceElement; }
     64     void setSVGFontFaceElement(SVGFontFaceElement* element) { m_svgFontFaceElement = element; }
     65 #endif
     66 
     67     virtual String cssText() const;
     68 
     69     virtual void addSubresourceStyleURLs(ListHashSet<KURL>&, const CSSStyleSheet*);
     70 
     71 private:
     72     CSSFontFaceSrcValue(const String& resource, bool local)
     73         : m_resource(resource)
     74         , m_isLocal(local)
     75 #if ENABLE(SVG_FONTS)
     76         , m_svgFontFaceElement(0)
     77 #endif
     78     {
     79     }
     80 
     81     String m_resource;
     82     String m_format;
     83     bool m_isLocal;
     84 
     85 #if ENABLE(SVG_FONTS)
     86     SVGFontFaceElement* m_svgFontFaceElement;
     87 #endif
     88 };
     89 
     90 }
     91 
     92 #endif
     93