1 /*

     2  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)

     3  *           (C) 2000 Simon Hausmann <hausmann@kde.org>

     4  * Copyright (C) 2004, 2005, 2006, 2008, 2009, 2010 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 

    23 #ifndef RenderEmbeddedObject_h

    24 #define RenderEmbeddedObject_h

    25 

    26 #include "RenderPart.h"

    27 

    28 namespace WebCore {

    29 

    30 class MouseEvent;

    31 

    32 // Renderer for embeds and objects, often, but not always, rendered via plug-ins.

    33 // For example, <embed src="foo.html"> does not invoke a plug-in.

    34 class RenderEmbeddedObject : public RenderPart {

    35 public:

    36     RenderEmbeddedObject(Element*);

    37     virtual ~RenderEmbeddedObject();

    38 

    39     void updateWidget(bool onlyCreateNonNetscapePlugins);

    40     void setShowsMissingPluginIndicator();

    41     void setShowsCrashedPluginIndicator();

    42     bool showsMissingPluginIndicator() const { return m_showsMissingPluginIndicator; }

    43 

    44     bool hasFallbackContent() const { return m_hasFallbackContent; }

    45 

    46     void handleMissingPluginIndicatorEvent(Event*);

    47 

    48 #if USE(ACCELERATED_COMPOSITING)

    49     virtual bool allowsAcceleratedCompositing() const;

    50 #endif

    51 

    52 private:

    53     virtual const char* renderName() const { return "RenderEmbeddedObject"; }

    54     virtual bool isEmbeddedObject() const { return true; }

    55 

    56     virtual void paintReplaced(PaintInfo&, int, int);

    57     virtual void paint(PaintInfo& paintInfo, int, int);

    58 

    59 #if USE(ACCELERATED_COMPOSITING)

    60     virtual bool requiresLayer() const;

    61 #endif

    62 

    63     virtual void layout();

    64     virtual void viewCleared();

    65     

    66     void setMissingPluginIndicatorIsPressed(bool);

    67     bool isInMissingPluginIndicator(MouseEvent*);

    68     bool getReplacementTextGeometry(int tx, int ty, FloatRect& contentRect, Path&, FloatRect& replacementTextRect, Font&, TextRun&, float& textWidth);

    69 

    70     String m_replacementText;

    71     bool m_hasFallbackContent;

    72     bool m_showsMissingPluginIndicator;

    73     bool m_missingPluginIndicatorIsPressed;

    74     bool m_mouseDownWasInMissingPluginIndicator;

    75 };

    76 

    77 inline RenderEmbeddedObject* toRenderEmbeddedObject(RenderObject* object)

    78 {

    79     ASSERT(!object || !strcmp(object->renderName(), "RenderEmbeddedObject"));

    80     return static_cast<RenderEmbeddedObject*>(object);

    81 }

    82 

    83 // This will catch anyone doing an unnecessary cast.

    84 void toRenderEmbeddedObject(const RenderEmbeddedObject*);

    85 

    86 } // namespace WebCore

    87 

    88 #endif // RenderEmbeddedObject_h