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/*
* 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.
*/
#ifndef MediaQueryExp_h
#define MediaQueryExp_h
#include "CSSValue.h"
#include "MediaFeatureNames.h"
#include <memory>
#include <wtf/text/AtomicString.h>
namespace WebCore {
class CSSParserValueList;
class MediaQueryExp {
WTF_MAKE_FAST_ALLOCATED;
public:
explicit MediaQueryExp(const AtomicString& mediaFeature = emptyAtom, CSSParserValueList* values = nullptr);
const AtomicString& mediaFeature() const;
CSSValue* value() const;
bool isValid() const;
bool isViewportDependent() const;
String serialize() const;
bool operator==(const MediaQueryExp&) const;
private:
AtomicString m_mediaFeature;
RefPtr<CSSValue> m_value;
bool m_isValid { false };
mutable String m_serializationCache;
};
inline const AtomicString& MediaQueryExp::mediaFeature() const
{
return m_mediaFeature;
}
inline CSSValue* MediaQueryExp::value() const
{
return m_value.get();
}
inline bool MediaQueryExp::operator==(const MediaQueryExp& other) const
{
return (other.m_mediaFeature == m_mediaFeature)
&& ((!other.m_value && !m_value)
|| (other.m_value && m_value && other.m_value->equals(*m_value)));
}
inline bool MediaQueryExp::isValid() const
{
return m_isValid;
}
inline bool MediaQueryExp::isViewportDependent() const
{
return m_mediaFeature == MediaFeatureNames::widthMediaFeature
|| m_mediaFeature == MediaFeatureNames::heightMediaFeature
|| m_mediaFeature == MediaFeatureNames::min_widthMediaFeature
|| m_mediaFeature == MediaFeatureNames::min_heightMediaFeature
|| m_mediaFeature == MediaFeatureNames::max_widthMediaFeature
|| m_mediaFeature == MediaFeatureNames::max_heightMediaFeature
|| m_mediaFeature == MediaFeatureNames::orientationMediaFeature
|| m_mediaFeature == MediaFeatureNames::aspect_ratioMediaFeature
|| m_mediaFeature == MediaFeatureNames::min_aspect_ratioMediaFeature
|| m_mediaFeature == MediaFeatureNames::max_aspect_ratioMediaFeature;
}
} // namespace
#endif
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