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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) 2000 Simon Hausmann <hausmann (at) kde.org>
      5  * Copyright (C) 2004, 2006, 2008, 2009 Apple Inc. All rights reserved.
      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 HTMLFrameElementBase_h
     25 #define HTMLFrameElementBase_h
     26 
     27 #include "core/html/HTMLFrameOwnerElement.h"
     28 #include "core/platform/ScrollTypes.h"
     29 
     30 namespace WebCore {
     31 
     32 class HTMLFrameElementBase : public HTMLFrameOwnerElement {
     33 public:
     34     KURL location() const;
     35     void setLocation(const String&);
     36 
     37     virtual ScrollbarMode scrollingMode() const { return m_scrolling; }
     38 
     39     virtual int marginWidth() const { return m_marginWidth; }
     40     virtual int marginHeight() const { return m_marginHeight; }
     41 
     42     int width();
     43     int height();
     44 
     45     virtual bool canContainRangeEndPoint() const { return false; }
     46 
     47 protected:
     48     HTMLFrameElementBase(const QualifiedName&, Document*);
     49 
     50     bool isURLAllowed() const;
     51 
     52     virtual bool allowScrollingInContentFrame() { return scrollingMode() != ScrollbarAlwaysOff; }
     53 
     54     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
     55     virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE;
     56     virtual void didNotifySubtreeInsertions(ContainerNode*) OVERRIDE;
     57     virtual void attach(const AttachContext& = AttachContext()) OVERRIDE;
     58 
     59 private:
     60     virtual bool supportsFocus() const;
     61     virtual void setFocus(bool) OVERRIDE;
     62 
     63     virtual bool isURLAttribute(const Attribute&) const OVERRIDE;
     64     virtual bool isHTMLContentAttribute(const Attribute&) const OVERRIDE;
     65 
     66     virtual bool isFrameElementBase() const { return true; }
     67 
     68     virtual bool areAuthorShadowsAllowed() const OVERRIDE { return false; }
     69 
     70     void setNameAndOpenURL();
     71     void openURL(bool lockBackForwardList = true);
     72 
     73     AtomicString m_URL;
     74     AtomicString m_frameName;
     75 
     76     ScrollbarMode m_scrolling;
     77 
     78     int m_marginWidth;
     79     int m_marginHeight;
     80 };
     81 
     82 } // namespace WebCore
     83 
     84 #endif // HTMLFrameElementBase_h
     85