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 "bindings/core/v8/ScriptWrappable.h"
25 #include "core/dom/ExceptionCode.h"
26 #include "platform/heap/Handle.h"
27 #include "wtf/Forward.h"
28 #include "wtf/PassRefPtr.h"
29 #include "wtf/RefCounted.h"
30 #include "wtf/Vector.h"
31 #include "wtf/text/WTFString.h"
42 class MediaQuerySet : public RefCountedWillBeGarbageCollected<MediaQuerySet> {
43 DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(MediaQuerySet);
45 static PassRefPtrWillBeRawPtr<MediaQuerySet> create()
47 return adoptRefWillBeNoop(new MediaQuerySet());
49 static PassRefPtrWillBeRawPtr<MediaQuerySet> create(const String& mediaString);
50 static PassRefPtrWillBeRawPtr<MediaQuerySet> createOffMainThread(const String& mediaString);
52 bool set(const String&);
53 bool add(const String&);
54 bool remove(const String&);
56 void addMediaQuery(PassOwnPtrWillBeRawPtr<MediaQuery>);
58 const WillBeHeapVector<OwnPtrWillBeMember<MediaQuery> >& queryVector() const { return m_queries; }
60 String mediaText() const;
62 PassRefPtrWillBeRawPtr<MediaQuerySet> copy() const { return adoptRefWillBeNoop(new MediaQuerySet(*this)); }
68 MediaQuerySet(const MediaQuerySet&);
70 WillBeHeapVector<OwnPtrWillBeMember<MediaQuery> > m_queries;
73 class MediaList : public RefCountedWillBeGarbageCollectedFinalized<MediaList>, public ScriptWrappable {
74 DEFINE_WRAPPERTYPEINFO();
76 static PassRefPtrWillBeRawPtr<MediaList> create(MediaQuerySet* mediaQueries, CSSStyleSheet* parentSheet)
78 return adoptRefWillBeNoop(new MediaList(mediaQueries, parentSheet));
80 static PassRefPtrWillBeRawPtr<MediaList> create(MediaQuerySet* mediaQueries, CSSRule* parentRule)
82 return adoptRefWillBeNoop(new MediaList(mediaQueries, parentRule));
87 unsigned length() const { return m_mediaQueries->queryVector().size(); }
88 String item(unsigned index) const;
89 void deleteMedium(const String& oldMedium, ExceptionState&);
90 void appendMedium(const String& newMedium, ExceptionState&);
92 String mediaText() const { return m_mediaQueries->mediaText(); }
93 void setMediaText(const String&);
96 CSSRule* parentRule() const { return m_parentRule; }
97 CSSStyleSheet* parentStyleSheet() const { return m_parentStyleSheet; }
100 void clearParentStyleSheet() { ASSERT(m_parentStyleSheet); m_parentStyleSheet = nullptr; }
101 void clearParentRule() { ASSERT(m_parentRule); m_parentRule = nullptr; }
104 const MediaQuerySet* queries() const { return m_mediaQueries.get(); }
106 void reattach(MediaQuerySet*);
108 void trace(Visitor*);
111 MediaList(MediaQuerySet*, CSSStyleSheet* parentSheet);
112 MediaList(MediaQuerySet*, CSSRule* parentRule);
114 RefPtrWillBeMember<MediaQuerySet> m_mediaQueries;
115 // Cleared in ~CSSStyleSheet destructor when oilpan is not enabled.
116 RawPtrWillBeMember<CSSStyleSheet> m_parentStyleSheet;
117 // Cleared in the ~CSSMediaRule and ~CSSImportRule destructors when oilpan is not enabled.
118 RawPtrWillBeMember<CSSRule> m_parentRule;
121 // Adds message to inspector console whenever dpi or dpcm values are used for "screen" media.
122 void reportMediaQueryWarningIfNeeded(Document*, const MediaQuerySet*);