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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 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 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 "CSSStyleDeclaration.h"
#include <memory>
#include <wtf/HashMap.h>
#include <wtf/RefPtr.h>
namespace WebCore {
class CSSRule;
class CSSProperty;
class CSSValue;
class MutableStyleProperties;
class StyleSheetContents;
class StyledElement;
class PropertySetCSSStyleDeclaration : public CSSStyleDeclaration {
public:
PropertySetCSSStyleDeclaration(MutableStyleProperties* propertySet) : m_propertySet(propertySet) { }
virtual void clearParentElement() { ASSERT_NOT_REACHED(); }
StyleSheetContents* contextStyleSheet() const;
virtual void ref() override;
virtual void deref() override;
private:
virtual CSSRule* parentRule() const override { return nullptr; }
virtual unsigned length() const override final;
virtual String item(unsigned index) const override final;
virtual RefPtr<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, ExceptionCode&) override final;
virtual String removeProperty(const String& propertyName, ExceptionCode&) override final;
virtual String cssText() const override final;
virtual void setCssText(const String&, ExceptionCode&) override final;
virtual RefPtr<CSSValue> getPropertyCSSValueInternal(CSSPropertyID) override final;
virtual String getPropertyValueInternal(CSSPropertyID) override final;
virtual bool setPropertyInternal(CSSPropertyID, const String& value, bool important, ExceptionCode&) override final;
virtual Ref<MutableStyleProperties> copyProperties() const override final;
CSSValue* cloneAndCacheForCSSOM(CSSValue*);
protected:
enum MutationType { NoChanges, PropertyChanged };
virtual bool willMutate() WARN_UNUSED_RETURN { return true; }
virtual void didMutate(MutationType) { }
MutableStyleProperties* m_propertySet;
std::unique_ptr<HashMap<CSSValue*, RefPtr<CSSValue>>> m_cssomCSSValueClones;
};
class StyleRuleCSSStyleDeclaration final : public PropertySetCSSStyleDeclaration
{
public:
static Ref<StyleRuleCSSStyleDeclaration> create(MutableStyleProperties& propertySet, CSSRule& parentRule)
{
return adoptRef(*new StyleRuleCSSStyleDeclaration(propertySet, parentRule));
}
virtual ~StyleRuleCSSStyleDeclaration();
void clearParentRule() { m_parentRule = 0; }
virtual void ref() override;
virtual void deref() override;
void reattach(MutableStyleProperties&);
private:
StyleRuleCSSStyleDeclaration(MutableStyleProperties&, CSSRule&);
virtual CSSStyleSheet* parentStyleSheet() const override;
virtual CSSRule* parentRule() const override { return m_parentRule; }
virtual bool willMutate() override WARN_UNUSED_RETURN;
virtual void didMutate(MutationType) override;
unsigned m_refCount;
CSSRule* m_parentRule;
};
class InlineCSSStyleDeclaration final : public PropertySetCSSStyleDeclaration
{
public:
InlineCSSStyleDeclaration(MutableStyleProperties* propertySet, StyledElement* parentElement)
: PropertySetCSSStyleDeclaration(propertySet)
, m_parentElement(parentElement)
{
}
private:
virtual CSSStyleSheet* parentStyleSheet() const override;
virtual StyledElement* parentElement() const override { return m_parentElement; }
virtual void clearParentElement() override { m_parentElement = 0; }
virtual void didMutate(MutationType) override;
StyledElement* m_parentElement;
};
} // namespace WebCore
#endif
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