HTMLPlugInImageElement.h revision 2fc2651226baac27029e38c9d6ef883fa32084db 
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
32enum PluginCreationOption {
33    CreateAnyWidgetType,
34    CreateOnlyNonNetscapePlugins,
35};
36
37// Base class for HTMLObjectElement and HTMLEmbedElement
38class HTMLPlugInImageElement : public HTMLPlugInElement {
39public:
40    RenderEmbeddedObject* renderEmbeddedObject() const;
41
42    virtual void updateWidget(PluginCreationOption) = 0;
43
44    const String& serviceType() const { return m_serviceType; }
45    const String& url() const { return m_url; }
46
47protected:
48    HTMLPlugInImageElement(const QualifiedName& tagName, Document*, bool createdByParser);
49
50    bool isImageType();
51
52    OwnPtr<HTMLImageLoader> m_imageLoader;
53    String m_serviceType;
54    String m_url;
55
56    static void updateWidgetCallback(Node*);
57    virtual void attach();
58    virtual void detach();
59
60    bool needsWidgetUpdate() const { return m_needsWidgetUpdate; }
61    void setNeedsWidgetUpdate(bool needsWidgetUpdate) { m_needsWidgetUpdate = needsWidgetUpdate; }
62
63    bool allowedToLoadFrameURL(const String& url);
64    bool wouldLoadAsNetscapePlugin(const String& url, const String& serviceType);
65
66    virtual void willMoveToNewOwnerDocument();
67
68private:
69    virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
70    virtual void recalcStyle(StyleChange);
71
72    virtual void finishParsingChildren();
73
74    void updateWidgetIfNecessary();
75    virtual bool useFallbackContent() const { return false; }
76
77    bool m_needsWidgetUpdate;
78};
79
80} // namespace WebCore
81
82#endif // HTMLPlugInImageElement_h
83