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 | #pragma once |
27 | |
28 | #include <wtf/OptionSet.h> |
29 | #include <wtf/WallTime.h> |
30 | |
31 | namespace WebCore { |
32 | |
33 | class PlatformEvent { |
34 | public: |
35 | enum Type : uint8_t { |
36 | NoType = 0, |
37 | |
38 | // PlatformKeyboardEvent |
39 | KeyDown, |
40 | KeyUp, |
41 | RawKeyDown, |
42 | Char, |
43 | |
44 | // PlatformMouseEvent |
45 | MouseMoved, |
46 | MousePressed, |
47 | MouseReleased, |
48 | MouseForceChanged, |
49 | MouseForceDown, |
50 | MouseForceUp, |
51 | MouseScroll, |
52 | |
53 | // PlatformWheelEvent |
54 | Wheel, |
55 | |
56 | #if ENABLE(TOUCH_EVENTS) |
57 | // PlatformTouchEvent |
58 | TouchStart, |
59 | TouchMove, |
60 | TouchEnd, |
61 | TouchCancel, |
62 | TouchForceChange, |
63 | #endif |
64 | |
65 | #if ENABLE(MAC_GESTURE_EVENTS) |
66 | // PlatformGestureEvent |
67 | GestureStart, |
68 | GestureChange, |
69 | GestureEnd, |
70 | #endif |
71 | }; |
72 | |
73 | enum class Modifier : uint8_t { |
74 | AltKey = 1 << 0, |
75 | ControlKey = 1 << 1, |
76 | MetaKey = 1 << 2, |
77 | ShiftKey = 1 << 3, |
78 | CapsLockKey = 1 << 4, |
79 | |
80 | // Never used in native platforms but added for initEvent |
81 | AltGraphKey = 1 << 5, |
82 | }; |
83 | |
84 | Type type() const { return static_cast<Type>(m_type); } |
85 | |
86 | bool shiftKey() const { return m_modifiers.contains(Modifier::ShiftKey); } |
87 | bool controlKey() const { return m_modifiers.contains(Modifier::ControlKey); } |
88 | bool altKey() const { return m_modifiers.contains(Modifier::AltKey); } |
89 | bool metaKey() const { return m_modifiers.contains(Modifier::MetaKey); } |
90 | |
91 | OptionSet<Modifier> modifiers() const { return m_modifiers; } |
92 | |
93 | WallTime timestamp() const { return m_timestamp; } |
94 | |
95 | protected: |
96 | PlatformEvent() |
97 | : m_type(NoType) |
98 | { |
99 | } |
100 | |
101 | explicit PlatformEvent(Type type) |
102 | : m_type(type) |
103 | { |
104 | } |
105 | |
106 | PlatformEvent(Type type, OptionSet<Modifier> modifiers, WallTime timestamp) |
107 | : m_type(type) |
108 | , m_modifiers(modifiers) |
109 | , m_timestamp(timestamp) |
110 | { |
111 | } |
112 | |
113 | PlatformEvent(Type type, bool shiftKey, bool ctrlKey, bool altKey, bool metaKey, WallTime timestamp) |
114 | : m_type(type) |
115 | , m_timestamp(timestamp) |
116 | { |
117 | if (shiftKey) |
118 | m_modifiers.add(Modifier::ShiftKey); |
119 | if (ctrlKey) |
120 | m_modifiers.add(Modifier::ControlKey); |
121 | if (altKey) |
122 | m_modifiers.add(Modifier::AltKey); |
123 | if (metaKey) |
124 | m_modifiers.add(Modifier::MetaKey); |
125 | } |
126 | |
127 | // Explicit protected destructor so that people don't accidentally |
128 | // delete a PlatformEvent. |
129 | ~PlatformEvent() = default; |
130 | |
131 | unsigned m_type; |
132 | OptionSet<Modifier> m_modifiers; |
133 | WallTime m_timestamp; |
134 | }; |
135 | |
136 | } // namespace WebCore |
137 | |