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1 /* | |
2 * Copyright (C) 2004, 2005, 2006, 2009 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 COMPUTER, INC. ``AS IS'' AND ANY | |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
24 */ | |
25 | |
26 #ifndef PlatformMouseEvent_h | |
27 #define PlatformMouseEvent_h | |
28 | |
29 #include "platform/PlatformEvent.h" | |
30 #include "platform/geometry/FloatPoint.h" | |
31 #include "platform/geometry/IntPoint.h" | |
32 #include "public/platform/WebGestureEvent.h" | |
33 #include "public/platform/WebPointerProperties.h" | |
34 #include "wtf/text/WTFString.h" | |
35 | |
36 namespace blink { | |
37 | |
38 class PlatformMouseEvent : public PlatformEvent { | |
39 public: | |
40 enum SyntheticEventType { | |
41 // Real mouse input events or synthetic events that behave just like real | |
42 // events | |
43 RealOrIndistinguishable, | |
44 // Synthetic mouse events derived from touch input | |
45 FromTouch, | |
46 // Synthetic mouse events generated without a position, for example those | |
47 // generated from keyboard input. | |
48 Positionless, | |
49 }; | |
50 | |
51 PlatformMouseEvent() : PlatformMouseEvent(PlatformEvent::MouseMoved) {} | |
52 | |
53 explicit PlatformMouseEvent(EventType type) | |
54 : PlatformEvent(type), | |
55 m_clickCount(0), | |
56 m_synthesized(RealOrIndistinguishable) {} | |
57 | |
58 PlatformMouseEvent(const IntPoint& position, | |
59 const IntPoint& globalPosition, | |
60 WebPointerProperties::Button button, | |
61 EventType type, | |
62 int clickCount, | |
63 Modifiers modifiers, | |
64 TimeTicks timestamp) | |
65 : PlatformEvent(type, modifiers, timestamp), | |
66 m_position(position), | |
67 m_globalPosition(globalPosition), | |
68 m_clickCount(clickCount), | |
69 m_synthesized(RealOrIndistinguishable) { | |
70 m_pointerProperties.button = button; | |
71 } | |
72 | |
73 PlatformMouseEvent(const IntPoint& position, | |
74 const IntPoint& globalPosition, | |
75 WebPointerProperties::Button button, | |
76 EventType type, | |
77 int clickCount, | |
78 Modifiers modifiers, | |
79 SyntheticEventType synthesized, | |
80 TimeTicks timestamp, | |
81 WebPointerProperties::PointerType pointerType = | |
82 WebPointerProperties::PointerType::Unknown) | |
83 : PlatformEvent(type, modifiers, timestamp), | |
84 m_position(position), | |
85 m_globalPosition(globalPosition), | |
86 m_clickCount(clickCount), | |
87 m_synthesized(synthesized) { | |
88 m_pointerProperties.pointerType = pointerType; | |
89 m_pointerProperties.button = button; | |
90 } | |
91 | |
92 #if INSIDE_BLINK | |
93 PlatformMouseEvent(const WebGestureEvent& gestureEvent, | |
94 WebPointerProperties::Button button, | |
95 EventType type, | |
96 int clickCount, | |
97 Modifiers modifiers, | |
98 SyntheticEventType synthesized, | |
99 TimeTicks timestamp, | |
100 WebPointerProperties::PointerType pointerType = | |
101 WebPointerProperties::PointerType::Unknown) | |
102 : PlatformMouseEvent(flooredIntPoint(gestureEvent.positionInRootFrame()), | |
103 IntPoint(gestureEvent.globalX, gestureEvent.globalY), | |
104 button, | |
105 type, | |
106 clickCount, | |
107 modifiers, | |
108 synthesized, | |
109 timestamp, | |
110 pointerType) {} | |
111 #endif | |
112 | |
113 const WebPointerProperties& pointerProperties() const { | |
114 return m_pointerProperties; | |
115 } | |
116 const IntPoint& position() const { return m_position; } | |
117 const IntPoint& globalPosition() const { return m_globalPosition; } | |
118 const IntPoint& movementDelta() const { return m_movementDelta; } | |
119 | |
120 int clickCount() const { return m_clickCount; } | |
121 bool fromTouch() const { return m_synthesized == FromTouch; } | |
122 SyntheticEventType getSyntheticEventType() const { return m_synthesized; } | |
123 | |
124 const String& region() const { return m_region; } | |
125 void setRegion(const String& region) { m_region = region; } | |
126 | |
127 protected: | |
128 WebPointerProperties m_pointerProperties; | |
129 | |
130 // In local root frame coordinates. (Except possibly if the Widget under | |
131 // the mouse is a popup, see FIXME in PlatformMouseEventBuilder). | |
132 IntPoint m_position; | |
133 | |
134 // In screen coordinates. | |
135 IntPoint m_globalPosition; | |
136 | |
137 IntPoint m_movementDelta; | |
138 int m_clickCount; | |
139 SyntheticEventType m_synthesized; | |
140 | |
141 // For canvas hit region. | |
142 // TODO(zino): This might make more sense to put in HitTestResults or | |
143 // some other part of MouseEventWithHitTestResults, but for now it's | |
144 // most convenient to stash it here. Please see: http://crbug.com/592947. | |
145 String m_region; | |
146 }; | |
147 | |
148 } // namespace blink | |
149 | |
150 #endif // PlatformMouseEvent_h | |
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