HTMLPlugInImageElement.h revision 2bde8e466a4451c7319e3a072d118917957d6554 
1/*
2 * Copyright (C) 2008, 2009, 2011 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
37enum PreferPlugInsForImagesOption {
38    ShouldPreferPlugInsForImages,
39    ShouldNotPreferPlugInsForImages
40};
41
42// Base class for HTMLObjectElement and HTMLEmbedElement
43class HTMLPlugInImageElement : public HTMLPlugInElement {
44public:
45    RenderEmbeddedObject* renderEmbeddedObject() const;
46
47    virtual void updateWidget(PluginCreationOption) = 0;
48
49    const String& serviceType() const { return m_serviceType; }
50    const String& url() const { return m_url; }
51    bool shouldPreferPlugInsForImages() const { return m_shouldPreferPlugInsForImages; }
52
53protected:
54    HTMLPlugInImageElement(const QualifiedName& tagName, Document*, bool createdByParser, PreferPlugInsForImagesOption);
55
56    bool isImageType();
57
58    OwnPtr<HTMLImageLoader> m_imageLoader;
59    String m_serviceType;
60    String m_url;
61
62    static void updateWidgetCallback(Node*);
63    virtual void attach();
64    virtual void detach();
65
66    bool needsWidgetUpdate() const { return m_needsWidgetUpdate; }
67    void setNeedsWidgetUpdate(bool needsWidgetUpdate) { m_needsWidgetUpdate = needsWidgetUpdate; }
68
69    bool allowedToLoadFrameURL(const String& url);
70    bool wouldLoadAsNetscapePlugin(const String& url, const String& serviceType);
71
72    virtual void willMoveToNewOwnerDocument();
73
74private:
75    virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
76    virtual void recalcStyle(StyleChange);
77
78    virtual void finishParsingChildren();
79
80    void updateWidgetIfNecessary();
81    virtual bool useFallbackContent() const { return false; }
82
83    bool m_needsWidgetUpdate;
84    bool m_shouldPreferPlugInsForImages;
85};
86
87} // namespace WebCore
88
89#endif // HTMLPlugInImageElement_h
90