HTMLPlugInImageElement.h revision 65f03d4f644ce73618e5f4f50dd694b26f55ae12 
1/*
2 * Copyright (C) 2008, 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 HTMLPlugInImageElement_h
22#define HTMLPlugInImageElement_h
23
24#include "HTMLPlugInElement.h"
25#include <wtf/OwnPtr.h>
26
27namespace WebCore {
28
29class HTMLImageLoader;
30class FrameLoader;
31
32// Base class for HTMLObjectElement and HTMLEmbedElement
33class HTMLPlugInImageElement : public HTMLPlugInElement {
34public:
35    RenderEmbeddedObject* renderEmbeddedObject() const;
36
37    virtual void updateWidget(bool onlyCreateNonNetscapePlugins) = 0;
38
39    const String& serviceType() const { return m_serviceType; }
40    const String& url() const { return m_url; }
41
42protected:
43    HTMLPlugInImageElement(const QualifiedName& tagName, Document*, bool createdByParser);
44
45    bool isImageType();
46
47    OwnPtr<HTMLImageLoader> m_imageLoader;
48    String m_serviceType;
49    String m_url;
50
51    static void updateWidgetCallback(Node*);
52    virtual void attach();
53    virtual void detach();
54
55    bool needsWidgetUpdate() const { return m_needsWidgetUpdate; }
56    void setNeedsWidgetUpdate(bool needsWidgetUpdate) { m_needsWidgetUpdate = needsWidgetUpdate; }
57
58    bool allowedToLoadFrameURL(const String& url);
59    bool wouldLoadAsNetscapePlugin(const String& url, const String& serviceType);
60
61    virtual void willMoveToNewOwnerDocument();
62
63private:
64    virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
65    virtual void recalcStyle(StyleChange);
66
67    virtual void finishParsingChildren();
68
69    void updateWidgetIfNecessary();
70    virtual bool useFallbackContent() const { return false; }
71
72    bool m_needsWidgetUpdate;
73};
74
75} // namespace WebCore
76
77#endif // HTMLPlugInImageElement_h
78