diff -r 000000000000 -r 4f2f89ce4247 WebCore/css/MediaQueryExp.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WebCore/css/MediaQueryExp.h Fri Sep 17 09:02:29 2010 +0300 @@ -0,0 +1,80 @@ +/* + * CSS Media Query + * + * Copyright (C) 2006 Kimmo Kinnunen . + * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). + * + * 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 COMPUTER, 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 "AtomicString.h" +#include "CSSValue.h" +#include "MediaFeatureNames.h" +#include + +namespace WebCore { +class CSSParserValueList; + +class MediaQueryExp : public FastAllocBase { +public: + MediaQueryExp(const AtomicString& mediaFeature, CSSParserValueList* values); + ~MediaQueryExp(); + + AtomicString mediaFeature() const { return m_mediaFeature; } + + CSSValue* value() const { return m_value.get(); } + + bool operator==(const MediaQueryExp& other) const + { + return (other.m_mediaFeature == m_mediaFeature) + && ((!other.m_value && !m_value) + || (other.m_value && m_value && other.m_value->cssText() == m_value->cssText())); + } + + bool isValid() const { return m_isValid; } + + bool 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; } + + String serialize() const; + +private: + AtomicString m_mediaFeature; + RefPtr m_value; + bool m_isValid; + String m_serializationCache; +}; + +} // namespace + +#endif