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(GTK)
37#include <WebCore/GUniquePtrGtk.h>
38typedef union _GdkEvent GdkEvent;
39#endif
40
41#if USE(LIBWPE)
42struct wpe_input_axis_event;
43#endif
44
45#if PLATFORM(WIN)
46#include <windows.h>
47#endif
48
49namespace WebKit {
50
51class NativeWebWheelEvent : public WebWheelEvent {
52public:
53#if USE(APPKIT)
54 NativeWebWheelEvent(NSEvent *, NSView *);
55#elif PLATFORM(GTK)
56 NativeWebWheelEvent(const NativeWebWheelEvent&);
57 NativeWebWheelEvent(GdkEvent*);
58 NativeWebWheelEvent(GdkEvent*, WebWheelEvent::Phase, WebWheelEvent::Phase momentumPhase);
59#elif USE(LIBWPE)
60 NativeWebWheelEvent(struct wpe_input_axis_event*, float deviceScaleFactor);
61#elif PLATFORM(WIN)
62 NativeWebWheelEvent(HWND, UINT message, WPARAM, LPARAM);
63#endif
64
65#if USE(APPKIT)
66 NSEvent* nativeEvent() const { return m_nativeEvent.get(); }
67#elif PLATFORM(GTK)
68 GdkEvent* nativeEvent() const { return m_nativeEvent.get(); }
69#elif PLATFORM(WIN)
70 const MSG* nativeEvent() const { return &m_nativeEvent; }
71#else
72 const void* nativeEvent() const { return nullptr; }
73#endif
74
75private:
76#if USE(APPKIT)
77 RetainPtr<NSEvent> m_nativeEvent;
78#elif PLATFORM(GTK)
79 GUniquePtr<GdkEvent> m_nativeEvent;
80#elif PLATFORM(WIN)
81 MSG m_nativeEvent;
82#endif
83};
84
85} // namespace WebKit
86
87#endif // NativeWebWheelEvent_h
88