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/*
* (C) 1999-2003 Lars Knoll (knoll@kde.org)
* Copyright (C) 2004, 2005, 2006, 2008, 2012 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef CSSImageValue_h
#define CSSImageValue_h
#include "core/css/CSSValue.h"
#include "core/fetch/ResourceFetcher.h"
#include "platform/weborigin/Referrer.h"
#include "wtf/RefPtr.h"
namespace WebCore {
class Document;
class Element;
class KURL;
class StyleFetchedImage;
class StyleImage;
class RenderObject;
class CSSImageValue : public CSSValue {
public:
static PassRefPtrWillBeRawPtr<CSSImageValue> create(const KURL& url, StyleImage* image = 0)
{
return adoptRefWillBeNoop(new CSSImageValue(url, url, image));
}
static PassRefPtrWillBeRawPtr<CSSImageValue> create(const String& rawValue, const KURL& url, StyleImage* image = 0)
{
return adoptRefWillBeNoop(new CSSImageValue(rawValue, url, image));
}
~CSSImageValue();
StyleFetchedImage* cachedImage(ResourceFetcher*, const ResourceLoaderOptions&);
StyleFetchedImage* cachedImage(ResourceFetcher* fetcher) { return cachedImage(fetcher, ResourceFetcher::defaultResourceOptions()); }
// Returns a StyleFetchedImage if the image is cached already, otherwise a StylePendingImage.
StyleImage* cachedOrPendingImage();
const String& url() { return m_absoluteURL; }
void setReferrer(const Referrer& referrer) { m_referrer = referrer; }
const Referrer& referrer() const { return m_referrer; }
void reResolveURL(const Document&);
String customCSSText() const;
PassRefPtrWillBeRawPtr<CSSValue> cloneForCSSOM() const;
bool hasFailedOrCanceledSubresources() const;
bool equals(const CSSImageValue&) const;
bool knownToBeOpaque(const RenderObject*) const;
void setInitiator(const AtomicString& name) { m_initiatorName = name; }
void traceAfterDispatch(Visitor*);
void restoreCachedResourceIfNeeded(Document&);
private:
CSSImageValue(const String& rawValue, const KURL&, StyleImage*);
String m_relativeURL;
String m_absoluteURL;
Referrer m_referrer;
RefPtr<StyleImage> m_image;
bool m_accessedImage;
AtomicString m_initiatorName;
};
DEFINE_CSS_VALUE_TYPE_CASTS(CSSImageValue, isImageValue());
} // namespace WebCore
#endif // CSSImageValue_h
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