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      1 /*
      2  * Copyright (C) 2006, 2007, 2009 Apple Inc. All rights reserved.
      3  *
      4  * This library is free software; you can redistribute it and/or
      5  * modify it under the terms of the GNU Library General Public
      6  * License as published by the Free Software Foundation; either
      7  * version 2 of the License, or (at your option) any later version.
      8  *
      9  * This library is distributed in the hope that it will be useful,
     10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12  * Library General Public License for more details.
     13  *
     14  * You should have received a copy of the GNU Library General Public License
     15  * along with this library; see the file COPYING.LIB.  If not, write to
     16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     17  * Boston, MA 02110-1301, USA.
     18  *
     19  */
     20 
     21 #ifndef HTMLFrameOwnerElement_h
     22 #define HTMLFrameOwnerElement_h
     23 
     24 #include "FrameLoaderTypes.h"
     25 #include "HTMLElement.h"
     26 
     27 namespace WebCore {
     28 
     29 class DOMWindow;
     30 class Frame;
     31 class RenderPart;
     32 
     33 #if ENABLE(SVG)
     34 class SVGDocument;
     35 #endif
     36 
     37 class HTMLFrameOwnerElement : public HTMLElement {
     38 public:
     39     virtual ~HTMLFrameOwnerElement();
     40 
     41     Frame* contentFrame() const { return m_contentFrame; }
     42     DOMWindow* contentWindow() const;
     43     Document* contentDocument() const;
     44 
     45     // Most subclasses use RenderPart (either RenderEmbeddedObject or RenderIFrame)
     46     // except for HTMLObjectElement and HTMLEmbedElement which may return any
     47     // RenderObject when using fallback content.
     48     RenderPart* renderPart() const;
     49 
     50 #if ENABLE(SVG)
     51     SVGDocument* getSVGDocument(ExceptionCode&) const;
     52 #endif
     53 
     54     virtual ScrollbarMode scrollingMode() const { return ScrollbarAuto; }
     55 
     56     SandboxFlags sandboxFlags() const { return m_sandboxFlags; }
     57 
     58 protected:
     59     HTMLFrameOwnerElement(const QualifiedName& tagName, Document*);
     60 
     61     void setSandboxFlags(SandboxFlags);
     62 
     63     virtual void willRemove();
     64 
     65 private:
     66     friend class Frame;
     67 
     68     virtual bool isFrameOwnerElement() const { return true; }
     69     virtual bool isKeyboardFocusable(KeyboardEvent*) const;
     70 
     71     Frame* m_contentFrame;
     72     SandboxFlags m_sandboxFlags;
     73 };
     74 
     75 } // namespace WebCore
     76 
     77 #endif // HTMLFrameOwnerElement_h
     78