1 /* 2 * CSS Media Query 3 * 4 * Copyright (C) 2006 Kimmo Kinnunen <kimmo.t.kinnunen@nokia.com>. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY 16 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 22 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 23 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef MediaQueryExp_h 29 #define MediaQueryExp_h 30 31 #include "AtomicString.h" 32 #include "CSSValue.h" 33 #include "MediaFeatureNames.h" 34 #include <wtf/RefPtr.h> 35 36 namespace WebCore { 37 class CSSParserValueList; 38 39 class MediaQueryExp { 40 public: 41 MediaQueryExp(const AtomicString& mediaFeature, CSSParserValueList* values); 42 ~MediaQueryExp(); 43 mediaFeature()44 AtomicString mediaFeature() const { return m_mediaFeature; } 45 value()46 CSSValue* value() const { return m_value.get(); } 47 48 bool operator==(const MediaQueryExp& other) const 49 { 50 return (other.m_mediaFeature == m_mediaFeature) 51 && ((!other.m_value && !m_value) 52 || (other.m_value && m_value && other.m_value->cssText() == m_value->cssText())); 53 } 54 isViewportDependent()55 bool isViewportDependent() const { return m_mediaFeature == MediaFeatureNames::widthMediaFeature || 56 m_mediaFeature == MediaFeatureNames::heightMediaFeature || 57 m_mediaFeature == MediaFeatureNames::min_widthMediaFeature || 58 m_mediaFeature == MediaFeatureNames::min_heightMediaFeature || 59 m_mediaFeature == MediaFeatureNames::max_widthMediaFeature || 60 m_mediaFeature == MediaFeatureNames::max_heightMediaFeature || 61 m_mediaFeature == MediaFeatureNames::orientationMediaFeature || 62 m_mediaFeature == MediaFeatureNames::aspect_ratioMediaFeature || 63 m_mediaFeature == MediaFeatureNames::min_aspect_ratioMediaFeature || 64 m_mediaFeature == MediaFeatureNames::max_aspect_ratioMediaFeature; } 65 private: 66 AtomicString m_mediaFeature; 67 RefPtr<CSSValue> m_value; 68 }; 69 70 } // namespace 71 72 #endif 73