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/*
* Copyright (C) 2013 Adobe Systems Incorporated. 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 THE COPYRIGHT HOLDER "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 THE COPYRIGHT HOLDER 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.
*/
#include "config.h"
#include "core/css/CSSFilterRule.h"
#include "core/css/PropertySetCSSStyleDeclaration.h"
#include "core/css/StylePropertySet.h"
#include "core/css/StyleRule.h"
#include "wtf/text/StringBuilder.h"
namespace WebCore {
CSSFilterRule::CSSFilterRule(StyleRuleFilter* filterRule, CSSStyleSheet* parent)
: CSSRule(parent)
, m_filterRule(filterRule)
{
}
CSSFilterRule::~CSSFilterRule()
{
if (m_propertiesCSSOMWrapper)
m_propertiesCSSOMWrapper->clearParentRule();
}
CSSStyleDeclaration* CSSFilterRule::style() const
{
if (!m_propertiesCSSOMWrapper)
m_propertiesCSSOMWrapper = StyleRuleCSSStyleDeclaration::create(m_filterRule->mutableProperties(), const_cast<CSSFilterRule*>(this));
return m_propertiesCSSOMWrapper.get();
}
String CSSFilterRule::cssText() const
{
StringBuilder result;
result.appendLiteral("@-webkit-filter ");
String filterName = m_filterRule->filterName();
result.append(filterName);
result.appendLiteral(" { ");
String descs = m_filterRule->properties()->asText();
result.append(descs);
if (!descs.isEmpty())
result.append(' ');
result.append('}');
return result.toString();
}
void CSSFilterRule::reattach(StyleRuleBase* rule)
{
ASSERT(rule);
ASSERT_WITH_SECURITY_IMPLICATION(rule->isFilterRule());
m_filterRule = static_cast<StyleRuleFilter*>(rule);
if (m_propertiesCSSOMWrapper)
m_propertiesCSSOMWrapper->reattach(m_filterRule->mutableProperties());
}
} // namespace WebCore
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