blob: d4dac1d24d7732be1f1bdf330d8a8bb7eb7921ef [file] [log] [blame]
/*
* Copyright (C) 2006 Kimmo Kinnunen <kimmo.t.kinnunen@nokia.com>.
* Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
* Copyright (C) 2015 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 AUTHOR ``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
* 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 "CSSParserTokenRange.h"
#include "CSSValue.h"
#include <memory>
namespace WTF {
class TextStream;
}
namespace WebCore {
struct MediaQueryParserContext;
class MediaQueryExpression {
WTF_MAKE_FAST_ALLOCATED;
public:
explicit MediaQueryExpression(const String& mediaFeature, CSSParserTokenRange&, MediaQueryParserContext&);
const AtomicString& mediaFeature() const;
CSSValue* value() const;
bool isValid() const;
String serialize() const;
bool operator==(const MediaQueryExpression&) const;
private:
AtomicString m_mediaFeature;
RefPtr<CSSValue> m_value;
bool m_isValid { false };
mutable String m_serializationCache;
};
inline const AtomicString& MediaQueryExpression::mediaFeature() const
{
return m_mediaFeature;
}
inline CSSValue* MediaQueryExpression::value() const
{
return m_value.get();
}
inline bool MediaQueryExpression::operator==(const MediaQueryExpression& other) const
{
return other.m_mediaFeature == m_mediaFeature
&& ((!m_value && !other.m_value) || (m_value && other.m_value && *m_value == *other.m_value));
}
inline bool MediaQueryExpression::isValid() const
{
return m_isValid;
}
WTF::TextStream& operator<<(WTF::TextStream&, const MediaQueryExpression&);
} // namespace