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/*
* Copyright (C) 2012 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 PropertySetCSSStyleDeclaration_h
#define PropertySetCSSStyleDeclaration_h
#include "core/css/CSSStyleDeclaration.h"
#include "wtf/HashMap.h"
#include "wtf/OwnPtr.h"
namespace WebCore {
class CSSProperty;
class CSSRule;
class CSSValue;
class Element;
class ExceptionState;
class MutableStylePropertySet;
class StyleSheetContents;
class AbstractPropertySetCSSStyleDeclaration : public CSSStyleDeclaration {
public:
virtual Element* parentElement() const { return 0; }
StyleSheetContents* contextStyleSheet() const;
virtual void trace(Visitor*) OVERRIDE;
private:
virtual CSSRule* parentRule() const OVERRIDE { return 0; }
virtual unsigned length() const OVERRIDE FINAL;
virtual String item(unsigned index) const OVERRIDE FINAL;
virtual PassRefPtrWillBeRawPtr<CSSValue> getPropertyCSSValue(const String& propertyName) OVERRIDE FINAL;
virtual String getPropertyValue(const String& propertyName) OVERRIDE FINAL;
virtual String getPropertyPriority(const String& propertyName) OVERRIDE FINAL;
virtual String getPropertyShorthand(const String& propertyName) OVERRIDE FINAL;
virtual bool isPropertyImplicit(const String& propertyName) OVERRIDE FINAL;
virtual void setProperty(const String& propertyName, const String& value, const String& priority, ExceptionState&) OVERRIDE FINAL;
virtual String removeProperty(const String& propertyName, ExceptionState&) OVERRIDE FINAL;
virtual String cssText() const OVERRIDE FINAL;
virtual void setCSSText(const String&, ExceptionState&) OVERRIDE FINAL;
virtual PassRefPtrWillBeRawPtr<CSSValue> getPropertyCSSValueInternal(CSSPropertyID) OVERRIDE FINAL;
virtual String getPropertyValueInternal(CSSPropertyID) OVERRIDE FINAL;
virtual void setPropertyInternal(CSSPropertyID, const String& value, bool important, ExceptionState&) OVERRIDE FINAL;
virtual bool cssPropertyMatches(CSSPropertyID, const CSSValue*) const OVERRIDE FINAL;
virtual PassRefPtrWillBeRawPtr<MutableStylePropertySet> copyProperties() const OVERRIDE FINAL;
CSSValue* cloneAndCacheForCSSOM(CSSValue*);
protected:
enum MutationType { NoChanges, PropertyChanged };
virtual void willMutate() { }
virtual void didMutate(MutationType) { }
virtual MutableStylePropertySet& propertySet() const = 0;
OwnPtrWillBeMember<WillBeHeapHashMap<RawPtrWillBeMember<CSSValue>, RefPtrWillBeMember<CSSValue> > > m_cssomCSSValueClones;
};
class PropertySetCSSStyleDeclaration : public AbstractPropertySetCSSStyleDeclaration {
public:
PropertySetCSSStyleDeclaration(MutableStylePropertySet& propertySet) : m_propertySet(&propertySet) { }
#if !ENABLE(OILPAN)
virtual void ref() OVERRIDE;
virtual void deref() OVERRIDE;
#endif
virtual void trace(Visitor*) OVERRIDE;
protected:
virtual MutableStylePropertySet& propertySet() const OVERRIDE FINAL { ASSERT(m_propertySet); return *m_propertySet; }
RawPtrWillBeMember<MutableStylePropertySet> m_propertySet; // Cannot be null
};
class StyleRuleCSSStyleDeclaration FINAL : public PropertySetCSSStyleDeclaration
{
public:
static PassRefPtrWillBeRawPtr<StyleRuleCSSStyleDeclaration> create(MutableStylePropertySet& propertySet, CSSRule* parentRule)
{
return adoptRefWillBeNoop(new StyleRuleCSSStyleDeclaration(propertySet, parentRule));
}
#if !ENABLE(OILPAN)
void clearParentRule() { m_parentRule = nullptr; }
virtual void ref() OVERRIDE;
virtual void deref() OVERRIDE;
#endif
void reattach(MutableStylePropertySet&);
virtual void trace(Visitor*) OVERRIDE;
private:
StyleRuleCSSStyleDeclaration(MutableStylePropertySet&, CSSRule*);
virtual ~StyleRuleCSSStyleDeclaration();
virtual CSSStyleSheet* parentStyleSheet() const OVERRIDE;
virtual CSSRule* parentRule() const OVERRIDE { return m_parentRule; }
virtual void willMutate() OVERRIDE;
virtual void didMutate(MutationType) OVERRIDE;
#if !ENABLE(OILPAN)
unsigned m_refCount;
#endif
RawPtrWillBeMember<CSSRule> m_parentRule;
};
class InlineCSSStyleDeclaration FINAL : public AbstractPropertySetCSSStyleDeclaration
{
public:
explicit InlineCSSStyleDeclaration(Element* parentElement)
: m_parentElement(parentElement)
{
}
virtual void trace(Visitor*) OVERRIDE;
private:
virtual MutableStylePropertySet& propertySet() const OVERRIDE;
#if !ENABLE(OILPAN)
virtual void ref() OVERRIDE;
virtual void deref() OVERRIDE;
#endif
virtual CSSStyleSheet* parentStyleSheet() const OVERRIDE;
virtual Element* parentElement() const OVERRIDE { return m_parentElement; }
virtual void didMutate(MutationType) OVERRIDE;
RawPtrWillBeMember<Element> m_parentElement;
};
} // namespace WebCore
#endif
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