128 lines
4.0 KiB
C++
128 lines
4.0 KiB
C++
/*
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* (C) 1999-2003 Lars Knoll (knoll@kde.org)
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* Copyright (C) 2004, 2006, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#pragma once
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#include "ExceptionOr.h"
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#include "MediaQueryParserContext.h"
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#include <memory>
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#include <wtf/Forward.h>
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#include <wtf/Vector.h>
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namespace WTF {
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class TextStream;
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}
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namespace WebCore {
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class CSSParser;
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class CSSRule;
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class CSSStyleSheet;
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class Document;
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class MediaQuery;
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class MediaQuerySet final : public RefCounted<MediaQuerySet> {
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public:
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static Ref<MediaQuerySet> create()
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{
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return adoptRef(*new MediaQuerySet);
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}
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static WEBCORE_EXPORT Ref<MediaQuerySet> create(const String& mediaString, MediaQueryParserContext = MediaQueryParserContext());
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WEBCORE_EXPORT ~MediaQuerySet();
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bool set(const String&);
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bool add(const String&);
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bool remove(const String&);
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void addMediaQuery(MediaQuery&&);
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const Vector<MediaQuery>& queryVector() const { return m_queries; }
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WEBCORE_EXPORT String mediaText() const;
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Ref<MediaQuerySet> copy() const { return adoptRef(*new MediaQuerySet(*this)); }
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void shrinkToFit();
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private:
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MediaQuerySet();
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WEBCORE_EXPORT MediaQuerySet(const String& mediaQuery);
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MediaQuerySet(const MediaQuerySet&);
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Vector<MediaQuery> m_queries;
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};
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class MediaList final : public RefCounted<MediaList> {
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public:
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static Ref<MediaList> create(MediaQuerySet* mediaQueries, CSSStyleSheet* parentSheet)
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{
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return adoptRef(*new MediaList(mediaQueries, parentSheet));
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}
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static Ref<MediaList> create(MediaQuerySet* mediaQueries, CSSRule* parentRule)
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{
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return adoptRef(*new MediaList(mediaQueries, parentRule));
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}
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WEBCORE_EXPORT ~MediaList();
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unsigned length() const { return m_mediaQueries->queryVector().size(); }
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WEBCORE_EXPORT String item(unsigned index) const;
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WEBCORE_EXPORT ExceptionOr<void> deleteMedium(const String& oldMedium);
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WEBCORE_EXPORT void appendMedium(const String& newMedium);
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String mediaText() const { return m_mediaQueries->mediaText(); }
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WEBCORE_EXPORT ExceptionOr<void> setMediaText(const String&);
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CSSRule* parentRule() const { return m_parentRule; }
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CSSStyleSheet* parentStyleSheet() const { return m_parentStyleSheet; }
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void clearParentStyleSheet() { ASSERT(m_parentStyleSheet); m_parentStyleSheet = nullptr; }
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void clearParentRule() { ASSERT(m_parentRule); m_parentRule = nullptr; }
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const MediaQuerySet* queries() const { return m_mediaQueries.get(); }
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void reattach(MediaQuerySet*);
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private:
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MediaList();
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MediaList(MediaQuerySet*, CSSStyleSheet* parentSheet);
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MediaList(MediaQuerySet*, CSSRule* parentRule);
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RefPtr<MediaQuerySet> m_mediaQueries;
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CSSStyleSheet* m_parentStyleSheet { nullptr };
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CSSRule* m_parentRule { nullptr };
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};
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// Adds message to inspector console whenever dpi or dpcm values are used for "screen" media.
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// FIXME: Seems strange to have this here in this file, and unclear exactly who should call this and when.
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void reportMediaQueryWarningIfNeeded(Document*, const MediaQuerySet*);
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#if !ENABLE(RESOLUTION_MEDIA_QUERY)
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inline void reportMediaQueryWarningIfNeeded(Document*, const MediaQuerySet*)
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{
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}
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#endif
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WTF::TextStream& operator<<(WTF::TextStream&, const MediaQuerySet&);
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WTF::TextStream& operator<<(WTF::TextStream&, const MediaList&);
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} // namespace
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