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/*
* (C) 1999-2003 Lars Knoll (knoll@kde.org)
* Copyright (C) 2004, 2006, 2008, 2009, 2010, 2012 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.
*/
#pragma once
#include "ExceptionOr.h"
#include "MediaQueryParserContext.h"
#include <memory>
#include <wtf/Forward.h>
#include <wtf/Vector.h>
namespace WTF {
class TextStream;
}
namespace WebCore {
class CSSParser;
class CSSRule;
class CSSStyleSheet;
class Document;
class MediaQuery;
class MediaQuerySet final : public RefCounted<MediaQuerySet> {
public:
static Ref<MediaQuerySet> create()
{
return adoptRef(*new MediaQuerySet);
}
static WEBCORE_EXPORT Ref<MediaQuerySet> create(const String& mediaString, MediaQueryParserContext = MediaQueryParserContext());
WEBCORE_EXPORT ~MediaQuerySet();
bool set(const String&);
bool add(const String&);
bool remove(const String&);
void addMediaQuery(MediaQuery&&);
const Vector<MediaQuery>& queryVector() const { return m_queries; }
WEBCORE_EXPORT String mediaText() const;
Ref<MediaQuerySet> copy() const { return adoptRef(*new MediaQuerySet(*this)); }
void shrinkToFit();
private:
MediaQuerySet();
WEBCORE_EXPORT MediaQuerySet(const String& mediaQuery);
MediaQuerySet(const MediaQuerySet&);
Vector<MediaQuery> m_queries;
};
class MediaList final : public RefCounted<MediaList> {
public:
static Ref<MediaList> create(MediaQuerySet* mediaQueries, CSSStyleSheet* parentSheet)
{
return adoptRef(*new MediaList(mediaQueries, parentSheet));
}
static Ref<MediaList> create(MediaQuerySet* mediaQueries, CSSRule* parentRule)
{
return adoptRef(*new MediaList(mediaQueries, parentRule));
}
WEBCORE_EXPORT ~MediaList();
unsigned length() const { return m_mediaQueries->queryVector().size(); }
WEBCORE_EXPORT String item(unsigned index) const;
WEBCORE_EXPORT ExceptionOr<void> deleteMedium(const String& oldMedium);
WEBCORE_EXPORT void appendMedium(const String& newMedium);
String mediaText() const { return m_mediaQueries->mediaText(); }
WEBCORE_EXPORT void setMediaText(const String&);
CSSRule* parentRule() const { return m_parentRule; }
CSSStyleSheet* parentStyleSheet() const { return m_parentStyleSheet; }
void clearParentStyleSheet() { ASSERT(m_parentStyleSheet); m_parentStyleSheet = nullptr; }
void clearParentRule() { ASSERT(m_parentRule); m_parentRule = nullptr; }
const MediaQuerySet* queries() const { return m_mediaQueries.get(); }
void reattach(MediaQuerySet*);
private:
MediaList();
MediaList(MediaQuerySet*, CSSStyleSheet* parentSheet);
MediaList(MediaQuerySet*, CSSRule* parentRule);
RefPtr<MediaQuerySet> m_mediaQueries;
CSSStyleSheet* m_parentStyleSheet { nullptr };
CSSRule* m_parentRule { nullptr };
};
WTF::TextStream& operator<<(WTF::TextStream&, const MediaQuerySet&);
WTF::TextStream& operator<<(WTF::TextStream&, const MediaList&);
} // namespace
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