Home | History | Annotate | Download | only in css 
      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 "core/css/CSSValue.h"
     30 #include "core/fetch/ResourcePtr.h"
     31 #include "wtf/PassRefPtr.h"
     32 #include "wtf/text/WTFString.h"
     33 
     34 namespace WebCore {
     35 
     36 class FontResource;
     37 class Document;
     38 class SVGFontFaceElement;
     39 
     40 class CSSFontFaceSrcValue : public CSSValue {
     41 public:
     42     static PassRefPtr<CSSFontFaceSrcValue> create(const String& resource)
     43     {
     44         return adoptRef(new CSSFontFaceSrcValue(resource, false));
     45     }
     46     static PassRefPtr<CSSFontFaceSrcValue> createLocal(const String& resource)
     47     {
     48         return adoptRef(new CSSFontFaceSrcValue(resource, true));
     49     }
     50 
     51     const String& resource() const { return m_resource; }
     52     const String& format() const { return m_format; }
     53     bool isLocal() const { return m_isLocal; }
     54 
     55     void setFormat(const String& format) { m_format = format; }
     56 
     57     bool isSupportedFormat() const;
     58 
     59 #if ENABLE(SVG_FONTS)
     60     bool isSVGFontFaceSrc() const;
     61 
     62     SVGFontFaceElement* svgFontFaceElement() const { return m_svgFontFaceElement; }
     63     void setSVGFontFaceElement(SVGFontFaceElement* element) { m_svgFontFaceElement = element; }
     64 #endif
     65 
     66     String customCSSText() const;
     67 
     68     void addSubresourceStyleURLs(ListHashSet<KURL>&, const StyleSheetContents*) const;
     69 
     70     bool hasFailedOrCanceledSubresources() const;
     71 
     72     FontResource* fetch(Document*);
     73 
     74     bool equals(const CSSFontFaceSrcValue&) const;
     75 
     76 private:
     77     CSSFontFaceSrcValue(const String& resource, bool local)
     78         : CSSValue(FontFaceSrcClass)
     79         , m_resource(resource)
     80         , m_isLocal(local)
     81 #if ENABLE(SVG_FONTS)
     82         , m_svgFontFaceElement(0)
     83 #endif
     84     {
     85     }
     86 
     87     String m_resource;
     88     String m_format;
     89     bool m_isLocal;
     90 
     91     ResourcePtr<FontResource> m_fetched;
     92 
     93 #if ENABLE(SVG_FONTS)
     94     SVGFontFaceElement* m_svgFontFaceElement;
     95 #endif
     96 };
     97 
     98 DEFINE_CSS_VALUE_TYPE_CASTS(CSSFontFaceSrcValue, isFontFaceSrcValue());
     99 
    100 }
    101 
    102 #endif
    103