| /* |
| * CSS Media Query |
| * |
| * Copyright (C) 2006 Kimmo Kinnunen <kimmo.t.kinnunen@nokia.com>. |
| * 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 "CSSValue.h" |
| #include "MediaFeatureNames.h" |
| #include <wtf/PassOwnPtr.h> |
| #include <wtf/RefPtr.h> |
| #include <wtf/text/AtomicString.h> |
| |
| namespace WebCore { |
| class CSSParserValueList; |
| |
| class MediaQueryExp : public FastAllocBase { |
| public: |
| static PassOwnPtr<MediaQueryExp> create(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: |
| MediaQueryExp(const AtomicString& mediaFeature, CSSParserValueList* values); |
| |
| AtomicString m_mediaFeature; |
| RefPtr<CSSValue> m_value; |
| bool m_isValid; |
| String m_serializationCache; |
| }; |
| |
| } // namespace |
| |
| #endif |