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/*
* (C) 1999-2003 Lars Knoll (knoll@kde.org)
* Copyright (C) 2004, 2006, 2008, 2009, 2010 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef MediaList_h
#define MediaList_h
#include <wtf/Forward.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
#include <wtf/Vector.h>
namespace WebCore {
class CSSImportRule;
class CSSRule;
class CSSStyleSheet;
class MediaQuery;
typedef int ExceptionCode;
class MediaList : public RefCounted<MediaList> {
public:
static PassRefPtr<MediaList> create()
{
return adoptRef(new MediaList(0, false));
}
static PassRefPtr<MediaList> create(CSSStyleSheet* parentSheet, const String& media)
{
return adoptRef(new MediaList(parentSheet, media, false));
}
static PassRefPtr<MediaList> createAllowingDescriptionSyntax(const String& mediaQueryOrDescription)
{
return adoptRef(new MediaList(0, mediaQueryOrDescription, true));
}
static PassRefPtr<MediaList> createAllowingDescriptionSyntax(CSSStyleSheet* parentSheet, const String& mediaQueryOrDescription)
{
return adoptRef(new MediaList(parentSheet, mediaQueryOrDescription, true));
}
static PassRefPtr<MediaList> create(const String& media, bool allowDescriptionSyntax)
{
return adoptRef(new MediaList(0, media, allowDescriptionSyntax));
}
~MediaList();
unsigned length() const { return m_queries.size(); }
String item(unsigned index) const;
void deleteMedium(const String& oldMedium, ExceptionCode&);
void appendMedium(const String& newMedium, ExceptionCode&);
String mediaText() const;
void setMediaText(const String&, ExceptionCode&xo);
void appendMediaQuery(PassOwnPtr<MediaQuery>);
const Vector<MediaQuery*>& mediaQueries() const { return m_queries; }
CSSStyleSheet* parentStyleSheet() const { return m_parentStyleSheet; }
void setParentStyleSheet(CSSStyleSheet* styleSheet)
{
// MediaList should never be moved between style sheets.
ASSERT(styleSheet == m_parentStyleSheet || !m_parentStyleSheet || !styleSheet);
m_parentStyleSheet = styleSheet;
}
int lastLine() const { return m_lastLine; }
void setLastLine(int lastLine) { m_lastLine = lastLine; }
private:
MediaList(CSSStyleSheet* parentSheet, bool fallbackToDescription);
MediaList(CSSStyleSheet* parentSheet, const String& media, bool fallbackToDescription);
void notifyChanged();
bool m_fallback; // true if failed media query parsing should fallback to media description parsing.
CSSStyleSheet* m_parentStyleSheet;
Vector<MediaQuery*> m_queries;
int m_lastLine;
};
} // namespace
#endif
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