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/*
* 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 MediaQuery_h
#define MediaQuery_h
#include "platform/heap/Handle.h"
#include "wtf/PassOwnPtr.h"
#include "wtf/Vector.h"
#include "wtf/text/StringHash.h"
#include "wtf/text/WTFString.h"
namespace WebCore {
class MediaQueryExp;
typedef WillBeHeapVector<OwnPtrWillBeMember<MediaQueryExp> > ExpressionHeapVector;
class MediaQuery : public NoBaseWillBeGarbageCollectedFinalized<MediaQuery> {
WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
public:
enum Restrictor {
Only, Not, None
};
static PassOwnPtrWillBeRawPtr<MediaQuery> createNotAll();
MediaQuery(Restrictor, const String& mediaType, PassOwnPtrWillBeRawPtr<ExpressionHeapVector> exprs);
~MediaQuery();
Restrictor restrictor() const { return m_restrictor; }
const ExpressionHeapVector& expressions() const { return *m_expressions; }
const String& mediaType() const { return m_mediaType; }
bool operator==(const MediaQuery& other) const;
String cssText() const;
PassOwnPtrWillBeRawPtr<MediaQuery> copy() const { return adoptPtrWillBeNoop(new MediaQuery(*this)); }
void trace(Visitor*);
private:
MediaQuery(const MediaQuery&);
Restrictor m_restrictor;
String m_mediaType;
OwnPtrWillBeMember<ExpressionHeapVector> m_expressions;
String m_serializationCache;
String serialize() const;
};
} // namespace
#endif
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