WebCore/RenderWidget.h

   1 /*
   2  * This file is part of the HTML widget for KDE.
   3  *
   4  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
   5  * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Library General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Library General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Library General Public License
  18  * along with this library; see the file COPYING.LIB.  If not, write to
  19  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20  * Boston, MA 02110-1301, USA.
  21  *
  22  */
  23
  24 #ifndef RenderWidget_h
  25 #define RenderWidget_h
  26
  27 #include "RenderReplaced.h"
  28
  29 namespace WebCore {
  30
  31 class Widget;
  32
  33 class RenderWidget : public RenderReplaced {
  34 public:
  35     RenderWidget(Node*);
  36     virtual ~RenderWidget();
  37
  38     virtual bool isWidget() const { return true; }
  39
  40     virtual void paint(PaintInfo&, int tx, int ty);
  41
  42     virtual void destroy();
  43     virtual void layout();
  44
  45     Widget* widget() const { return m_widget; }
  46     static RenderWidget* find(const Widget*);
  47
  48     RenderArena* ref() { ++m_refCount; return renderArena(); }
  49     void deref(RenderArena*);
  50
  51     virtual void setSelectionState(SelectionState);
  52
  53     virtual void updateWidgetPosition();
  54
  55     virtual void setWidget(Widget*);
  56
  57     virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int x, int y, int tx, int ty, HitTestAction);
  58
  59 protected:
  60     virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);
  61
  62 private:
  63     void setWidgetGeometry(const IntRect&);
  64
  65     virtual void deleteWidget();
  66
  67 protected:
  68     Widget* m_widget;
  69     FrameView* m_view;
  70
  71 private:
  72     int m_refCount;
  73 };
  74
  75 } // namespace WebCore
  76
  77 #endif // RenderWidget_h