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      1 /*
      2  * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org)
      3  *           (C) 1999 Antti Koivisto (koivisto (at) kde.org)
      4  *           (C) 2001 Dirk Mueller (mueller (at) kde.org)
      5  *           (C) 2006 Alexey Proskuryakov (ap (at) webkit.org)
      6  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
      7  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
      8  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
      9  * Copyright (C) 2011 Google Inc. All rights reserved.
     10  *
     11  * This library is free software; you can redistribute it and/or
     12  * modify it under the terms of the GNU Library General Public
     13  * License as published by the Free Software Foundation; either
     14  * version 2 of the License, or (at your option) any later version.
     15  *
     16  * This library is distributed in the hope that it will be useful,
     17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     19  * Library General Public License for more details.
     20  *
     21  * You should have received a copy of the GNU Library General Public License
     22  * along with this library; see the file COPYING.LIB.  If not, write to
     23  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     24  * Boston, MA 02110-1301, USA.
     25  *
     26  */
     27 
     28 #ifndef StyleSheetCollection_h
     29 #define StyleSheetCollection_h
     30 
     31 #include "platform/heap/Handle.h"
     32 #include "wtf/FastAllocBase.h"
     33 #include "wtf/RefPtr.h"
     34 #include "wtf/Vector.h"
     35 
     36 namespace blink {
     37 
     38 class CSSStyleSheet;
     39 class StyleSheet;
     40 
     41 class StyleSheetCollection : public NoBaseWillBeGarbageCollectedFinalized<StyleSheetCollection> {
     42     WTF_MAKE_NONCOPYABLE(StyleSheetCollection);
     43     WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
     44 public:
     45     friend class ActiveDocumentStyleSheetCollector;
     46     friend class ImportedDocumentStyleSheetCollector;
     47 
     48     StyleSheetCollection();
     49     virtual ~StyleSheetCollection();
     50 
     51     WillBeHeapVector<RefPtrWillBeMember<CSSStyleSheet> >& activeAuthorStyleSheets() { return m_activeAuthorStyleSheets; }
     52     WillBeHeapVector<RefPtrWillBeMember<StyleSheet> >& styleSheetsForStyleSheetList() { return m_styleSheetsForStyleSheetList; }
     53     const WillBeHeapVector<RefPtrWillBeMember<CSSStyleSheet> >& activeAuthorStyleSheets() const { return m_activeAuthorStyleSheets; }
     54     const WillBeHeapVector<RefPtrWillBeMember<StyleSheet> >& styleSheetsForStyleSheetList() const { return m_styleSheetsForStyleSheetList; }
     55 
     56     void swap(StyleSheetCollection&);
     57     void swapSheetsForSheetList(WillBeHeapVector<RefPtrWillBeMember<StyleSheet> >&);
     58     void appendActiveStyleSheets(const WillBeHeapVector<RefPtrWillBeMember<CSSStyleSheet> >&);
     59     void appendActiveStyleSheet(CSSStyleSheet*);
     60     void appendSheetForList(StyleSheet*);
     61 
     62     virtual void trace(Visitor*);
     63 
     64 protected:
     65     WillBeHeapVector<RefPtrWillBeMember<StyleSheet> > m_styleSheetsForStyleSheetList;
     66     WillBeHeapVector<RefPtrWillBeMember<CSSStyleSheet> > m_activeAuthorStyleSheets;
     67 };
     68 
     69 }
     70 
     71 #endif
     72 
     73