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/*
* Copyright (C) 2016 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. AND ITS CONTRIBUTORS ``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 ITS 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.
*/
#pragma once
#include "Element.h"
#include "StyleInvalidator.h"
namespace WebCore {
namespace Style {
class AttributeChangeInvalidation {
public:
AttributeChangeInvalidation(Element&, const QualifiedName&, const AtomString& oldValue, const AtomString& newValue);
~AttributeChangeInvalidation();
private:
void invalidateStyle(const QualifiedName&, const AtomString& oldValue, const AtomString& newValue);
void invalidateStyleWithRuleSets();
const bool m_isEnabled;
Element& m_element;
Invalidator::MatchElementRuleSets m_matchElementRuleSets;
};
inline AttributeChangeInvalidation::AttributeChangeInvalidation(Element& element, const QualifiedName& attributeName, const AtomString& oldValue, const AtomString& newValue)
: m_isEnabled(element.needsStyleInvalidation())
, m_element(element)
{
if (!m_isEnabled)
return;
invalidateStyle(attributeName, oldValue, newValue);
invalidateStyleWithRuleSets();
}
inline AttributeChangeInvalidation::~AttributeChangeInvalidation()
{
if (!m_isEnabled)
return;
invalidateStyleWithRuleSets();
}
}
}
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