1/*
2 * Copyright (C) 2010 Apple Inc. All rights reserved.
3 * Copyright (C) 2013 Google Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1.  Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
21 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
23 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef PluginView_h
27#define PluginView_h
28
29#include "core/platform/ScrollTypes.h"
30#include "core/platform/Widget.h"
31#include "wtf/text/WTFString.h"
32
33struct NPObject;
34
35namespace WebKit { class WebLayer; }
36
37namespace WebCore {
38
39class ResourceError;
40class ResourceResponse;
41class Scrollbar;
42
43class PluginView : public Widget {
44public:
45    virtual bool isPluginView() const { return true; }
46
47    virtual WebKit::WebLayer* platformLayer() const { return 0; }
48    virtual NPObject* scriptableObject() { return 0; }
49    virtual bool getFormValue(String&) { return false; }
50    virtual bool wantsWheelEvents() { return false; }
51    virtual bool supportsKeyboardFocus() const { return false; }
52    virtual bool canProcessDrag() const { return false; }
53
54    virtual void didReceiveResponse(const ResourceResponse&) { }
55    virtual void didReceiveData(const char*, int) { }
56    virtual void didFinishLoading() { }
57    virtual void didFailLoading(const ResourceError&) { }
58
59protected:
60    PluginView() : Widget() { }
61};
62
63inline PluginView* toPluginView(Widget* widget)
64{
65    ASSERT(!widget || widget->isPluginView());
66    return static_cast<PluginView*>(widget);
67}
68
69inline const PluginView* toPluginView(const Widget* widget)
70{
71    ASSERT(!widget || widget->isPluginView());
72    return static_cast<const PluginView*>(widget);
73}
74
75// This will catch anyone doing an unnecessary cast.
76void toPluginView(const PluginView*);
77
78} // namespace WebCore
79
80#endif // PluginView_h
81