| /* |
| * (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. |
| */ |
| |
| #ifndef MediaList_h |
| #define MediaList_h |
| |
| #include "core/dom/ExceptionCode.h" |
| #include "wtf/Forward.h" |
| #include "wtf/PassRefPtr.h" |
| #include "wtf/RefCounted.h" |
| #include "wtf/Vector.h" |
| #include "wtf/text/WTFString.h" |
| |
| namespace WebCore { |
| |
| class CSSRule; |
| class CSSStyleSheet; |
| class Document; |
| class MediaList; |
| class MediaQuery; |
| |
| enum MediaQueryParserMode { |
| MediaQueryNormalMode, |
| MediaQueryStrictMode, |
| }; |
| |
| class MediaQuerySet : public RefCounted<MediaQuerySet> { |
| public: |
| static PassRefPtr<MediaQuerySet> create() |
| { |
| return adoptRef(new MediaQuerySet()); |
| } |
| static PassRefPtr<MediaQuerySet> create(const String& mediaString) |
| { |
| return adoptRef(new MediaQuerySet(mediaString, MediaQueryNormalMode)); |
| } |
| ~MediaQuerySet(); |
| |
| bool set(const String&); |
| bool add(const String&); |
| bool remove(const String&); |
| |
| void addMediaQuery(PassOwnPtr<MediaQuery>); |
| |
| const Vector<OwnPtr<MediaQuery> >& queryVector() const { return m_queries; } |
| |
| int lastLine() const { return m_lastLine; } |
| void setLastLine(int lastLine) { m_lastLine = lastLine; } |
| |
| String mediaText() const; |
| |
| PassRefPtr<MediaQuerySet> copy() const { return adoptRef(new MediaQuerySet(*this)); } |
| |
| void reportMemoryUsage(MemoryObjectInfo*) const; |
| |
| private: |
| MediaQuerySet(); |
| MediaQuerySet(const String& mediaQuery, MediaQueryParserMode); |
| MediaQuerySet(const MediaQuerySet&); |
| |
| PassOwnPtr<MediaQuery> parseMediaQuery(const String&, MediaQueryParserMode); |
| void parseMediaQueryList(const String&, MediaQueryParserMode, Vector<OwnPtr<MediaQuery> >& result); |
| |
| MediaQueryParserMode parserMode() const { return static_cast<MediaQueryParserMode>(m_parserMode); } |
| |
| unsigned m_parserMode : 2; |
| unsigned m_lastLine : 30; |
| Vector<OwnPtr<MediaQuery> > m_queries; |
| }; |
| |
| class MediaList : public RefCounted<MediaList> { |
| public: |
| static PassRefPtr<MediaList> create(MediaQuerySet* mediaQueries, CSSStyleSheet* parentSheet) |
| { |
| return adoptRef(new MediaList(mediaQueries, parentSheet)); |
| } |
| static PassRefPtr<MediaList> create(MediaQuerySet* mediaQueries, CSSRule* parentRule) |
| { |
| return adoptRef(new MediaList(mediaQueries, parentRule)); |
| } |
| |
| ~MediaList(); |
| |
| unsigned length() const { return m_mediaQueries->queryVector().size(); } |
| String item(unsigned index) const; |
| void deleteMedium(const String& oldMedium, ExceptionCode&); |
| void appendMedium(const String& newMedium, ExceptionCode&); |
| |
| String mediaText() const { return m_mediaQueries->mediaText(); } |
| void setMediaText(const String&); |
| |
| // Not part of CSSOM. |
| CSSRule* parentRule() const { return m_parentRule; } |
| CSSStyleSheet* parentStyleSheet() const { return m_parentStyleSheet; } |
| void clearParentStyleSheet() { ASSERT(m_parentStyleSheet); m_parentStyleSheet = 0; } |
| void clearParentRule() { ASSERT(m_parentRule); m_parentRule = 0; } |
| const MediaQuerySet* queries() const { return m_mediaQueries.get(); } |
| |
| void reattach(MediaQuerySet*); |
| |
| void reportMemoryUsage(MemoryObjectInfo*) const; |
| |
| private: |
| MediaList(); |
| MediaList(MediaQuerySet*, CSSStyleSheet* parentSheet); |
| MediaList(MediaQuerySet*, CSSRule* parentRule); |
| |
| RefPtr<MediaQuerySet> m_mediaQueries; |
| CSSStyleSheet* m_parentStyleSheet; |
| CSSRule* m_parentRule; |
| }; |
| |
| // Adds message to inspector console whenever dpi or dpcm values are used for "screen" media. |
| void reportMediaQueryWarningIfNeeded(Document*, const MediaQuerySet*); |
| |
| } // namespace |
| |
| #endif |