2 * (C) 1999-2003 Lars Knoll (knoll@kde.org)
3 * Copyright (C) 2004, 2006, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB. If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
24 #include "core/dom/ExceptionCode.h"
25 #include "platform/heap/Handle.h"
26 #include "wtf/Forward.h"
27 #include "wtf/PassRefPtr.h"
28 #include "wtf/RefCounted.h"
29 #include "wtf/Vector.h"
30 #include "wtf/text/WTFString.h"
41 class MediaQuerySet : public RefCountedWillBeGarbageCollected<MediaQuerySet> {
42 DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(MediaQuerySet);
44 static PassRefPtrWillBeRawPtr<MediaQuerySet> create()
46 return adoptRefWillBeNoop(new MediaQuerySet());
48 static PassRefPtrWillBeRawPtr<MediaQuerySet> create(const String& mediaString);
49 static PassRefPtrWillBeRawPtr<MediaQuerySet> createOffMainThread(const String& mediaString);
51 bool set(const String&);
52 bool add(const String&);
53 bool remove(const String&);
55 void addMediaQuery(PassOwnPtrWillBeRawPtr<MediaQuery>);
57 const WillBeHeapVector<OwnPtrWillBeMember<MediaQuery> >& queryVector() const { return m_queries; }
59 String mediaText() const;
61 PassRefPtrWillBeRawPtr<MediaQuerySet> copy() const { return adoptRefWillBeNoop(new MediaQuerySet(*this)); }
67 MediaQuerySet(const MediaQuerySet&);
69 WillBeHeapVector<OwnPtrWillBeMember<MediaQuery> > m_queries;
72 class MediaList : public RefCountedWillBeGarbageCollectedFinalized<MediaList> {
74 static PassRefPtrWillBeRawPtr<MediaList> create(MediaQuerySet* mediaQueries, CSSStyleSheet* parentSheet)
76 return adoptRefWillBeNoop(new MediaList(mediaQueries, parentSheet));
78 static PassRefPtrWillBeRawPtr<MediaList> create(MediaQuerySet* mediaQueries, CSSRule* parentRule)
80 return adoptRefWillBeNoop(new MediaList(mediaQueries, parentRule));
85 unsigned length() const { return m_mediaQueries->queryVector().size(); }
86 String item(unsigned index) const;
87 void deleteMedium(const String& oldMedium, ExceptionState&);
88 void appendMedium(const String& newMedium, ExceptionState&);
90 String mediaText() const { return m_mediaQueries->mediaText(); }
91 void setMediaText(const String&);
94 CSSRule* parentRule() const { return m_parentRule; }
95 CSSStyleSheet* parentStyleSheet() const { return m_parentStyleSheet; }
98 void clearParentStyleSheet() { ASSERT(m_parentStyleSheet); m_parentStyleSheet = nullptr; }
99 void clearParentRule() { ASSERT(m_parentRule); m_parentRule = nullptr; }
102 const MediaQuerySet* queries() const { return m_mediaQueries.get(); }
104 void reattach(MediaQuerySet*);
106 void trace(Visitor*);
110 MediaList(MediaQuerySet*, CSSStyleSheet* parentSheet);
111 MediaList(MediaQuerySet*, CSSRule* parentRule);
113 RefPtrWillBeMember<MediaQuerySet> m_mediaQueries;
114 // Cleared in ~CSSStyleSheet destructor when oilpan is not enabled.
115 RawPtrWillBeMember<CSSStyleSheet> m_parentStyleSheet;
116 // Cleared in the ~CSSMediaRule and ~CSSImportRule destructors when oilpan is not enabled.
117 RawPtrWillBeMember<CSSRule> m_parentRule;
120 // Adds message to inspector console whenever dpi or dpcm values are used for "screen" media.
121 void reportMediaQueryWarningIfNeeded(Document*, const MediaQuerySet*);