Home | History | Annotate | Download | only in css
      1 /*
      2  * CSS Media Query
      3  *
      4  * Copyright (C) 2006 Kimmo Kinnunen <kimmo.t.kinnunen (at) nokia.com>.
      5  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     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.
     15  *
     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.
     27  */
     28 
     29 #ifndef MediaQuery_h
     30 #define MediaQuery_h
     31 
     32 #include "wtf/PassOwnPtr.h"
     33 #include "wtf/Vector.h"
     34 #include "wtf/text/StringHash.h"
     35 #include "wtf/text/WTFString.h"
     36 
     37 namespace WebCore {
     38 class MediaQueryExp;
     39 
     40 class MediaQuery {
     41     WTF_MAKE_FAST_ALLOCATED;
     42 public:
     43     enum Restrictor {
     44         Only, Not, None
     45     };
     46 
     47     typedef Vector<OwnPtr<MediaQueryExp> > ExpressionVector;
     48 
     49     MediaQuery(Restrictor, const String& mediaType, PassOwnPtr<ExpressionVector> exprs);
     50     ~MediaQuery();
     51 
     52     Restrictor restrictor() const { return m_restrictor; }
     53     const Vector<OwnPtr<MediaQueryExp> >* expressions() const { return m_expressions.get(); }
     54     String mediaType() const { return m_mediaType; }
     55     bool operator==(const MediaQuery& other) const;
     56     String cssText() const;
     57 
     58     PassOwnPtr<MediaQuery> copy() const { return adoptPtr(new MediaQuery(*this)); }
     59 
     60 private:
     61     MediaQuery(const MediaQuery&);
     62 
     63     Restrictor m_restrictor;
     64     String m_mediaType;
     65     OwnPtr<ExpressionVector> m_expressions;
     66     String m_serializationCache;
     67 
     68     String serialize() const;
     69 };
     70 
     71 } // namespace
     72 
     73 #endif
     74