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/*
* Copyright (C) 2012 Motorola Mobility 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.
* 3. Neither the name of Motorola Mobility Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER 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.
*/
#include "core/css/DOMWindowCSS.h"
#include "core/css/CSSMarkup.h"
#include "core/css/CSSPropertyMetadata.h"
#include "core/css/StylePropertySet.h"
#include "core/css/parser/CSSParser.h"
#include "wtf/text/StringBuilder.h"
#include "wtf/text/WTFString.h"
namespace blink {
bool DOMWindowCSS::supports(const String& property, const String& value) {
CSSPropertyID unresolvedProperty = unresolvedCSSPropertyID(property);
if (unresolvedProperty == CSSPropertyInvalid)
return false;
if (unresolvedProperty == CSSPropertyVariable) {
MutableStylePropertySet* dummyStyle =
MutableStylePropertySet::create(HTMLStandardMode);
bool isAnimationTainted = false;
return CSSParser::parseValueForCustomProperty(dummyStyle, "--valid",
nullptr, value, false,
nullptr, isAnimationTainted)
.didParse;
}
ASSERT(CSSPropertyMetadata::isEnabledProperty(unresolvedProperty));
// This will return false when !important is present
MutableStylePropertySet* dummyStyle =
MutableStylePropertySet::create(HTMLStandardMode);
return CSSParser::parseValue(dummyStyle, unresolvedProperty, value, false)
.didParse;
}
bool DOMWindowCSS::supports(const String& conditionText) {
return CSSParser::parseSupportsCondition(conditionText);
}
String DOMWindowCSS::escape(const String& ident) {
StringBuilder builder;
serializeIdentifier(ident, builder);
return builder.toString();
}
} // namespace blink
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