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 bool pluginCrashedOrWasMissing() const;
40
41 void setShowsMissingPluginIndicator();
42 void setShowsCrashedPluginIndicator();
showsMissingPluginIndicator()43 bool showsMissingPluginIndicator() const { return m_showsMissingPluginIndicator; }
44
45 // FIXME: This belongs on HTMLObjectElement.
hasFallbackContent()46 bool hasFallbackContent() const { return m_hasFallbackContent; }
setHasFallbackContent(bool hasFallbackContent)47 void setHasFallbackContent(bool hasFallbackContent) { m_hasFallbackContent = hasFallbackContent; }
48
49 void handleMissingPluginIndicatorEvent(Event*);
50
51 #if USE(ACCELERATED_COMPOSITING)
52 virtual bool allowsAcceleratedCompositing() const;
53 #endif
54
55 private:
renderName()56 virtual const char* renderName() const { return "RenderEmbeddedObject"; }
isEmbeddedObject()57 virtual bool isEmbeddedObject() const { return true; }
58
59 virtual void paintReplaced(PaintInfo&, int, int);
60 virtual void paint(PaintInfo& paintInfo, int, int);
61
62 #if USE(ACCELERATED_COMPOSITING)
63 virtual bool requiresLayer() const;
64 #endif
65
66 virtual void layout();
67 virtual void viewCleared();
68
69 void setMissingPluginIndicatorIsPressed(bool);
70 bool isInMissingPluginIndicator(MouseEvent*);
71 bool getReplacementTextGeometry(int tx, int ty, FloatRect& contentRect, Path&, FloatRect& replacementTextRect, Font&, TextRun&, float& textWidth);
72
73 String m_replacementText;
74 bool m_hasFallbackContent; // FIXME: This belongs on HTMLObjectElement.
75 bool m_showsMissingPluginIndicator;
76 bool m_missingPluginIndicatorIsPressed;
77 bool m_mouseDownWasInMissingPluginIndicator;
78 };
79
toRenderEmbeddedObject(RenderObject * object)80 inline RenderEmbeddedObject* toRenderEmbeddedObject(RenderObject* object)
81 {
82 ASSERT(!object || !strcmp(object->renderName(), "RenderEmbeddedObject"));
83 return static_cast<RenderEmbeddedObject*>(object);
84 }
85
86 // This will catch anyone doing an unnecessary cast.
87 void toRenderEmbeddedObject(const RenderEmbeddedObject*);
88
89 } // namespace WebCore
90
91 #endif // RenderEmbeddedObject_h
92