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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 <memory>
#include <utility>
#include "core/CoreExport.h"
#include "platform/heap/Handle.h"
#include "platform/wtf/Vector.h"
#include "platform/wtf/text/StringHash.h"
#include "platform/wtf/text/WTFString.h"
namespace blink {
class MediaQueryExp;
using ExpressionHeapVector = Vector<MediaQueryExp>;
class CORE_EXPORT MediaQuery {
public:
enum RestrictorType { kOnly, kNot, kNone };
static std::unique_ptr<MediaQuery> Create(RestrictorType,
String media_type,
ExpressionHeapVector);
static std::unique_ptr<MediaQuery> CreateNotAll();
MediaQuery(RestrictorType, String media_type, ExpressionHeapVector);
MediaQuery(const MediaQuery&);
~MediaQuery();
RestrictorType Restrictor() const { return restrictor_; }
const ExpressionHeapVector& Expressions() const { return expressions_; }
const String& MediaType() const { return media_type_; }
bool operator==(const MediaQuery& other) const;
String CssText() const;
std::unique_ptr<MediaQuery> Copy() const {
return std::make_unique<MediaQuery>(*this);
}
private:
MediaQuery& operator=(const MediaQuery&) = delete;
RestrictorType restrictor_;
String media_type_;
ExpressionHeapVector expressions_;
String serialization_cache_;
String Serialize() const;
};
} // namespace blink
#endif