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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
* Copyright (C) 2013 Google 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 ElementStyleResources_h
#define ElementStyleResources_h
#include "core/CSSPropertyNames.h"
#include "platform/graphics/Color.h"
#include "platform/heap/Handle.h"
#include "wtf/HashMap.h"
#include "wtf/Noncopyable.h"
namespace WebCore {
class CSSCursorImageValue;
class CSSImageValue;
class CSSImageGeneratorValue;
class CSSImageSetValue;
class CSSSVGDocumentValue;
class CSSValue;
class FilterOperation;
class StyleImage;
class TextLinkColors;
typedef WillBeHeapHashMap<FilterOperation*, RefPtrWillBeMember<CSSSVGDocumentValue> > PendingSVGDocumentMap;
typedef WillBeHeapHashMap<CSSPropertyID, RefPtrWillBeMember<CSSValue> > PendingImagePropertyMap;
// Holds information about resources, requested by stylesheets.
// Lifetime: per-element style resolve.
class ElementStyleResources {
STACK_ALLOCATED();
WTF_MAKE_NONCOPYABLE(ElementStyleResources);
public:
ElementStyleResources();
PassRefPtr<StyleImage> styleImage(Document&, const TextLinkColors&, Color currentColor, CSSPropertyID, CSSValue*);
PassRefPtr<StyleImage> generatedOrPendingFromValue(CSSPropertyID, CSSImageGeneratorValue*);
PassRefPtr<StyleImage> cachedOrPendingFromValue(Document&, CSSPropertyID, CSSImageValue*);
PassRefPtr<StyleImage> setOrPendingFromValue(CSSPropertyID, CSSImageSetValue*);
PassRefPtr<StyleImage> cursorOrPendingFromValue(CSSPropertyID, CSSCursorImageValue*);
const PendingImagePropertyMap& pendingImageProperties() const { return m_pendingImageProperties; }
const PendingSVGDocumentMap& pendingSVGDocuments() const { return m_pendingSVGDocuments; }
void clearPendingImageProperties();
void clearPendingSVGDocuments();
float deviceScaleFactor() const { return m_deviceScaleFactor; }
void setDeviceScaleFactor(float deviceScaleFactor) { m_deviceScaleFactor = deviceScaleFactor; }
void addPendingSVGDocument(FilterOperation*, CSSSVGDocumentValue*);
private:
PendingImagePropertyMap m_pendingImageProperties;
PendingSVGDocumentMap m_pendingSVGDocuments;
float m_deviceScaleFactor;
};
} // namespace WebCore
#endif // ElementStyleResources_h
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