summaryrefslogtreecommitdiff
path: root/Source/WebCore/html/HTMLPlugInElement.h
blob: b5ccbb8877be11af1d3c67f7dbaea54c6d79ecef (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
/*
 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
 *           (C) 1999 Antti Koivisto (koivisto@kde.org)
 * Copyright (C) 2004, 2006, 2007, 2008, 2009, 2012 Apple Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 */

#ifndef HTMLPlugInElement_h
#define HTMLPlugInElement_h

#include "HTMLFrameOwnerElement.h"
#include "Image.h"

struct NPObject;

namespace JSC {
namespace Bindings {
class Instance;
}
}

namespace WebCore {

class RenderEmbeddedObject;
class RenderWidget;
class Widget;

class HTMLPlugInElement : public HTMLFrameOwnerElement {
public:
    virtual ~HTMLPlugInElement();

    void resetInstance();

    PassRefPtr<JSC::Bindings::Instance> getInstance();

    Widget* pluginWidget() const;

    enum DisplayState {
        WaitingForSnapshot,
        DisplayingSnapshot,
        Restarting,
        RestartingWithPendingMouseClick,
        Playing
    };
    DisplayState displayState() const { return m_displayState; }
    virtual void setDisplayState(DisplayState state) { m_displayState = state; }
    virtual void updateSnapshot(PassRefPtr<Image>) { }
    virtual void dispatchPendingMouseClick() { }
    virtual bool isRestartedPlugin() const { return false; }

#if ENABLE(NETSCAPE_PLUGIN_API)
    NPObject* getNPObject();
#endif

    bool isCapturingMouseEvents() const { return m_isCapturingMouseEvents; }
    void setIsCapturingMouseEvents(bool capturing) { m_isCapturingMouseEvents = capturing; }

    bool canContainRangeEndPoint() const { return false; }

    bool canProcessDrag() const;

    virtual bool willRespondToMouseClickEvents() OVERRIDE;

    virtual bool isPlugInImageElement() const { return false; }

protected:
    HTMLPlugInElement(const QualifiedName& tagName, Document*);

    virtual void detach(const AttachContext& = AttachContext()) OVERRIDE;
    virtual bool isPresentationAttribute(const QualifiedName&) const OVERRIDE;
    virtual void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStylePropertySet*) OVERRIDE;

    virtual bool useFallbackContent() const { return false; }

    virtual void defaultEventHandler(Event*) OVERRIDE;

    // Subclasses should use guardedDispatchBeforeLoadEvent instead of calling dispatchBeforeLoadEvent directly.
    bool guardedDispatchBeforeLoadEvent(const String& sourceURL);

    bool m_inBeforeLoadEventHandler;

private:
    bool dispatchBeforeLoadEvent(const String& sourceURL); // Not implemented, generates a compile error if subclasses call this by mistake.

    virtual bool areAuthorShadowsAllowed() const OVERRIDE { return false; }

    virtual RenderWidget* renderWidgetForJSBindings() const = 0;

    virtual bool supportsFocus() const OVERRIDE;

    virtual bool isKeyboardFocusable(KeyboardEvent*) const OVERRIDE;
    virtual bool isPluginElement() const OVERRIDE;

    RefPtr<JSC::Bindings::Instance> m_instance;
    NPObject* m_NPObject;
    bool m_isCapturingMouseEvents;

    DisplayState m_displayState;
};

inline HTMLPlugInElement* toHTMLPlugInElement(Node* node)
{
    ASSERT_WITH_SECURITY_IMPLICATION(!node || node->isPluginElement());
    return static_cast<HTMLPlugInElement*>(node);
}

inline const HTMLPlugInElement* toHTMLPlugInElement(const Node* node)
{
    ASSERT_WITH_SECURITY_IMPLICATION(!node || node->isPluginElement());
    return static_cast<const HTMLPlugInElement*>(node);
}

// This will catch anyone doing an unnecessary cast.
void toHTMLPlugInElement(const HTMLPlugInElement*);

} // namespace WebCore

#endif // HTMLPlugInElement_h