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94 lines
2.9 KiB
C++
94 lines
2.9 KiB
C++
/*
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* Copyright (C) 2012 Intel Corporation. All rights reserved.
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* Copyright (C) 2012 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "config.h"
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#include "core/css/CSSViewportRule.h"
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#include "core/css/PropertySetCSSStyleDeclaration.h"
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#include "core/css/StylePropertySet.h"
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#include "core/css/StyleRule.h"
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#include "wtf/text/StringBuilder.h"
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namespace blink {
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CSSViewportRule::CSSViewportRule(StyleRuleViewport* viewportRule, CSSStyleSheet* sheet)
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: CSSRule(sheet)
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, m_viewportRule(viewportRule)
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{
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}
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CSSViewportRule::~CSSViewportRule()
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{
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#if !ENABLE(OILPAN)
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if (m_propertiesCSSOMWrapper)
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m_propertiesCSSOMWrapper->clearParentRule();
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#endif
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}
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CSSStyleDeclaration* CSSViewportRule::style() const
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{
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if (!m_propertiesCSSOMWrapper)
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m_propertiesCSSOMWrapper = StyleRuleCSSStyleDeclaration::create(m_viewportRule->mutableProperties(), const_cast<CSSViewportRule*>(this));
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return m_propertiesCSSOMWrapper.get();
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}
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String CSSViewportRule::cssText() const
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{
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StringBuilder result;
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result.appendLiteral("@viewport { ");
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String decls = m_viewportRule->properties().asText();
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result.append(decls);
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if (!decls.isEmpty())
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result.append(' ');
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result.append('}');
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return result.toString();
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}
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void CSSViewportRule::reattach(StyleRuleBase* rule)
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{
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ASSERT(rule);
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m_viewportRule = toStyleRuleViewport(rule);
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if (m_propertiesCSSOMWrapper)
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m_propertiesCSSOMWrapper->reattach(m_viewportRule->mutableProperties());
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}
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void CSSViewportRule::trace(Visitor* visitor)
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{
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visitor->trace(m_viewportRule);
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visitor->trace(m_propertiesCSSOMWrapper);
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CSSRule::trace(visitor);
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}
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} // namespace blink
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