WebCore/StyleList.h

   1 /*
   2  * Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
   3  *               1999 Waldo Bastian (bastian@kde.org)
   4  * Copyright (C) 2004, 2006, 2008 Apple Inc. All rights reserved.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Library General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public License
  17  * along with this library; see the file COPYING.LIB.  If not, write to
  18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19  * Boston, MA 02110-1301, USA.
  20  */
  21
  22 #ifndef StyleList_h
  23 #define StyleList_h
  24
  25 #include "StyleBase.h"
  26 #include <wtf/Forward.h>
  27 #include <wtf/RefPtr.h>
  28 #include <wtf/Vector.h>
  29
  30 namespace WebCore {
  31
  32     // a style class which has a list of children (StyleSheets for example)
  33     class StyleList : public StyleBase {
  34     public:
  35         unsigned length() { return m_children.size(); }
  36         StyleBase* item(unsigned num) { return num < length() ? m_children[num].get() : 0; }
  37
  38         void append(PassRefPtr<StyleBase>);
  39         void insert(unsigned position, PassRefPtr<StyleBase>);
  40         void remove(unsigned position);
  41
  42     protected:
  43         StyleList(StyleBase* parent) : StyleBase(parent) { }
  44
  45         Vector<RefPtr<StyleBase> > m_children;
  46     };
  47 }
  48
  49 #endif