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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.
*
* 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 StyleResolverState_h
#define StyleResolverState_h
#include "CSSPropertyNames.h"
#include "core/css/CSSSVGDocumentValue.h"
#include "core/css/CSSValueList.h"
#include "core/dom/Element.h"
#include "core/platform/graphics/Color.h"
#include "core/platform/graphics/filters/FilterOperations.h"
#include "core/rendering/style/BorderData.h"
#include "core/rendering/style/FillLayer.h"
#include "core/rendering/style/RenderStyle.h"
#include "core/rendering/style/StyleInheritedData.h"
#include "wtf/HashMap.h"
namespace WebCore {
class FillLayer;
class FontDescription;
class RenderRegion;
class StyledElement;
typedef HashMap<CSSPropertyID, RefPtr<CSSValue> > PendingImagePropertyMap;
typedef HashMap<FilterOperation*, RefPtr<CSSSVGDocumentValue> > PendingSVGDocumentMap;
class StyleResolverState {
WTF_MAKE_NONCOPYABLE(StyleResolverState);
public:
StyleResolverState()
: m_element(0)
, m_styledElement(0)
, m_parentNode(0)
, m_parentStyle(0)
, m_rootElementStyle(0)
, m_regionForStyling(0)
, m_elementLinkState(NotInsideLink)
, m_distributedToInsertionPoint(false)
, m_elementAffectedByClassRules(false)
, m_applyPropertyToRegularStyle(true)
, m_applyPropertyToVisitedLinkStyle(false)
, m_hasPendingShaders(false)
, m_lineHeightValue(0)
, m_fontDirty(false)
, m_hasUAAppearance(false)
, m_backgroundData(BackgroundFillLayer) { }
public:
void initElement(Element*);
void initForStyleResolve(Document*, Element*, RenderStyle* parentStyle = 0, RenderRegion* regionForStyling = 0);
void clear();
Color colorFromPrimitiveValue(CSSPrimitiveValue*, bool forVisitedLink = false) const;
Document* document() const { return m_element->document(); }
Element* element() const { return m_element; }
StyledElement* styledElement() const { return m_styledElement; }
void setStyle(PassRefPtr<RenderStyle> style) { m_style = style; }
RenderStyle* style() const { return m_style.get(); }
PassRefPtr<RenderStyle> takeStyle() { return m_style.release(); }
const ContainerNode* parentNode() const { return m_parentNode; }
void setParentStyle(PassRefPtr<RenderStyle> parentStyle) { m_parentStyle = parentStyle; }
RenderStyle* parentStyle() const { return m_parentStyle.get(); }
RenderStyle* rootElementStyle() const { return m_rootElementStyle; }
const RenderRegion* regionForStyling() const { return m_regionForStyling; }
EInsideLink elementLinkState() const { return m_elementLinkState; }
bool distributedToInsertionPoint() const { return m_distributedToInsertionPoint; }
void setElementAffectedByClassRules(bool isAffected) { m_elementAffectedByClassRules = isAffected; }
bool elementAffectedByClassRules() const { return m_elementAffectedByClassRules; }
void setApplyPropertyToRegularStyle(bool isApply) { m_applyPropertyToRegularStyle = isApply; }
void setApplyPropertyToVisitedLinkStyle(bool isApply) { m_applyPropertyToVisitedLinkStyle = isApply; }
bool applyPropertyToRegularStyle() const { return m_applyPropertyToRegularStyle; }
bool applyPropertyToVisitedLinkStyle() const { return m_applyPropertyToVisitedLinkStyle; }
PendingImagePropertyMap& pendingImageProperties() { return m_pendingImageProperties; }
PendingSVGDocumentMap& pendingSVGDocuments() { return m_pendingSVGDocuments; }
void setHasPendingShaders(bool hasPendingShaders) { m_hasPendingShaders = hasPendingShaders; }
bool hasPendingShaders() const { return m_hasPendingShaders; }
void setLineHeightValue(CSSValue* value) { m_lineHeightValue = value; }
CSSValue* lineHeightValue() { return m_lineHeightValue; }
void setFontDirty(bool isDirty) { m_fontDirty = isDirty; }
bool fontDirty() const { return m_fontDirty; }
void cacheBorderAndBackground();
bool hasUAAppearance() const { return m_hasUAAppearance; }
BorderData borderData() const { return m_borderData; }
FillLayer backgroundData() const { return m_backgroundData; }
Color backgroundColor() const { return m_backgroundColor; }
const FontDescription& fontDescription() { return m_style->fontDescription(); }
const FontDescription& parentFontDescription() { return m_parentStyle->fontDescription(); }
void setFontDescription(const FontDescription& fontDescription) { m_fontDirty |= m_style->setFontDescription(fontDescription); }
void setZoom(float f) { m_fontDirty |= m_style->setZoom(f); }
void setEffectiveZoom(float f) { m_fontDirty |= m_style->setEffectiveZoom(f); }
void setWritingMode(WritingMode writingMode) { m_fontDirty |= m_style->setWritingMode(writingMode); }
void setTextOrientation(TextOrientation textOrientation) { m_fontDirty |= m_style->setTextOrientation(textOrientation); }
bool useSVGZoomRules() const { return m_element && m_element->isSVGElement(); }
private:
// FIXME(bug 108563): to make it easier to review, these member
// variables are public. However we should add methods to access
// these variables.
Element* m_element;
RefPtr<RenderStyle> m_style;
StyledElement* m_styledElement;
ContainerNode* m_parentNode;
RefPtr<RenderStyle> m_parentStyle;
RenderStyle* m_rootElementStyle;
// Required to ASSERT in applyProperties.
RenderRegion* m_regionForStyling;
EInsideLink m_elementLinkState;
bool m_distributedToInsertionPoint;
bool m_elementAffectedByClassRules;
bool m_applyPropertyToRegularStyle;
bool m_applyPropertyToVisitedLinkStyle;
PendingImagePropertyMap m_pendingImageProperties;
bool m_hasPendingShaders;
PendingSVGDocumentMap m_pendingSVGDocuments;
CSSValue* m_lineHeightValue;
bool m_fontDirty;
bool m_hasUAAppearance;
BorderData m_borderData;
FillLayer m_backgroundData;
Color m_backgroundColor;
};
} // namespace WebCore
#endif // StyleResolverState_h