4 * Copyright (C) 2006 Kimmo Kinnunen <kimmo.t.kinnunen@nokia.com>.
5 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
20 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
24 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #ifndef MediaQueryExp_h
30 #define MediaQueryExp_h
32 #include "AtomicString.h"
34 #include "MediaFeatureNames.h"
35 #include <wtf/RefPtr.h>
38 class CSSParserValueList;
40 class MediaQueryExp : public FastAllocBase {
42 MediaQueryExp(const AtomicString& mediaFeature, CSSParserValueList* values);
45 AtomicString mediaFeature() const { return m_mediaFeature; }
47 CSSValue* value() const { return m_value.get(); }
49 bool operator==(const MediaQueryExp& other) const
51 return (other.m_mediaFeature == m_mediaFeature)
52 && ((!other.m_value && !m_value)
53 || (other.m_value && m_value && other.m_value->cssText() == m_value->cssText()));
56 bool isValid() const { return m_isValid; }
58 bool isViewportDependent() const { return m_mediaFeature == MediaFeatureNames::widthMediaFeature ||
59 m_mediaFeature == MediaFeatureNames::heightMediaFeature ||
60 m_mediaFeature == MediaFeatureNames::min_widthMediaFeature ||
61 m_mediaFeature == MediaFeatureNames::min_heightMediaFeature ||
62 m_mediaFeature == MediaFeatureNames::max_widthMediaFeature ||
63 m_mediaFeature == MediaFeatureNames::max_heightMediaFeature ||
64 m_mediaFeature == MediaFeatureNames::orientationMediaFeature ||
65 m_mediaFeature == MediaFeatureNames::aspect_ratioMediaFeature ||
66 m_mediaFeature == MediaFeatureNames::min_aspect_ratioMediaFeature ||
67 m_mediaFeature == MediaFeatureNames::max_aspect_ratioMediaFeature; }
69 String serialize() const;
72 AtomicString m_mediaFeature;
73 RefPtr<CSSValue> m_value;
75 String m_serializationCache;