Webfont CORS-enabled fetching with fallback

Source/core/css/CSSFontFaceSrcValue.h

 /*
  * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef CSSFontFaceSrcValue_h
 #define CSSFontFaceSrcValue_h
 
 #include "core/css/CSSValue.h"
+#include "core/fetch/FontResource.h"
 #include "core/fetch/ResourcePtr.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
 class FontResource;
 class Document;
 class SVGFontFaceElement;
 
@@ skipping 31 matching lines @@
 
     bool equals(const CSSFontFaceSrcValue&) const;
 
     void traceAfterDispatch(Visitor* visitor) { CSSValue::traceAfterDispatch(visitor); }
 
 private:
     CSSFontFaceSrcValue(const String& resource, bool local)
         : CSSValue(FontFaceSrcClass)
         , m_resource(resource)
         , m_isLocal(local)
+        , m_corsEnabled(IsCORSEnabled)
 #if ENABLE(SVG_FONTS)
         , m_svgFontFaceElement(0)
 #endif
     {
     }
 
+    // FIXME: Remove later, http://crbug.com/286681
+    class FontResourceInvalidator : public FontResourceClient {
+    public:
+        FontResourceInvalidator(CSSFontFaceSrcValue&);
+        ~FontResourceInvalidator();
+
+        virtual void fontLoaded(FontResource*) OVERRIDE;
+        virtual void corsFailed(FontResource*) OVERRIDE;
+    private:
+        CSSFontFaceSrcValue& m_srcValue;
+        ResourcePtr<FontResource> m_resource;
+    };
+
+    friend class FontResourceInvalidator;
+
+    bool shouldSetCrossOriginAccessControl(const KURL& resource, SecurityOrigin*);
+
     String m_resource;
     String m_format;
     bool m_isLocal;
 
     ResourcePtr<FontResource> m_fetched;
 
+    OwnPtr<FontResourceInvalidator> m_invalidator;
+    CORSEnabled m_corsEnabled;
+
 #if ENABLE(SVG_FONTS)
     SVGFontFaceElement* m_svgFontFaceElement;
 #endif
 };
 
 DEFINE_CSS_VALUE_TYPE_CASTS(CSSFontFaceSrcValue, isFontFaceSrcValue());
 
 }
 
 #endif