1/*
2 * Copyright (C) 2011 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef NativeWebWheelEvent_h
27#define NativeWebWheelEvent_h
28
29#include "WebEvent.h"
30
31#if USE(APPKIT)
32#include <wtf/RetainPtr.h>
33OBJC_CLASS NSView;
34#endif
35
36#if PLATFORM(EFL)
37#include <Evas.h>
38#include <WebCore/AffineTransform.h>
39#endif
40
41#if PLATFORM(GTK)
42#include <WebCore/GUniquePtrGtk.h>
43typedef union _GdkEvent GdkEvent;
44#endif
45
46namespace WebKit {
47
48class NativeWebWheelEvent : public WebWheelEvent {
49public:
50#if USE(APPKIT)
51    NativeWebWheelEvent(NSEvent *, NSView *);
52#elif PLATFORM(GTK)
53    NativeWebWheelEvent(const NativeWebWheelEvent&);
54    NativeWebWheelEvent(GdkEvent*);
55#elif PLATFORM(EFL)
56    NativeWebWheelEvent(const Evas_Event_Mouse_Wheel*, const WebCore::AffineTransform& toWebContent, const WebCore::AffineTransform& toDeviceScreen);
57#endif
58
59#if USE(APPKIT)
60    NSEvent* nativeEvent() const { return m_nativeEvent.get(); }
61#elif PLATFORM(GTK)
62    const GdkEvent* nativeEvent() const { return m_nativeEvent.get(); }
63#elif PLATFORM(EFL)
64    const Evas_Event_Mouse_Wheel* nativeEvent() const { return m_nativeEvent; }
65#elif PLATFORM(IOS)
66    const void* nativeEvent() const { return 0; }
67#endif
68
69private:
70#if USE(APPKIT)
71    RetainPtr<NSEvent> m_nativeEvent;
72#elif PLATFORM(GTK)
73    GUniquePtr<GdkEvent> m_nativeEvent;
74#elif PLATFORM(EFL)
75    const Evas_Event_Mouse_Wheel* m_nativeEvent;
76#endif
77};
78
79} // namespace WebKit
80
81#endif // NativeWebWheelEvent_h
82