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/*
* Copyright (C) 2012 Intel Corporation. All rights reserved.
* 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 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 "core/css/CSSViewportRule.h"
#include "core/css/CSSPropertyValueSet.h"
#include "core/css/StyleRule.h"
#include "core/css/StyleRuleCSSStyleDeclaration.h"
#include "platform/wtf/text/StringBuilder.h"
namespace blink {
CSSViewportRule::CSSViewportRule(StyleRuleViewport* viewport_rule,
CSSStyleSheet* sheet)
: CSSRule(sheet), viewport_rule_(viewport_rule) {}
CSSViewportRule::~CSSViewportRule() = default;
CSSStyleDeclaration* CSSViewportRule::style() const {
if (!properties_cssom_wrapper_)
properties_cssom_wrapper_ = StyleRuleCSSStyleDeclaration::Create(
viewport_rule_->MutableProperties(),
const_cast<CSSViewportRule*>(this));
return properties_cssom_wrapper_.Get();
}
String CSSViewportRule::cssText() const {
StringBuilder result;
result.Append("@viewport { ");
String decls = viewport_rule_->Properties().AsText();
result.Append(decls);
if (!decls.IsEmpty())
result.Append(' ');
result.Append('}');
return result.ToString();
}
void CSSViewportRule::Reattach(StyleRuleBase* rule) {
DCHECK(rule);
viewport_rule_ = ToStyleRuleViewport(rule);
if (properties_cssom_wrapper_)
properties_cssom_wrapper_->Reattach(viewport_rule_->MutableProperties());
}
void CSSViewportRule::Trace(blink::Visitor* visitor) {
visitor->Trace(viewport_rule_);
visitor->Trace(properties_cssom_wrapper_);
CSSRule::Trace(visitor);
}
} // namespace blink