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1 /* | |
2 * Copyright (C) 2012 Google 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 * * Redistributions of source code must retain the above copyright | |
8 * notice, this list of conditions and the following disclaimer. | |
9 * * 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 THE COPYRIGHT HOLDERS ``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 #include "config.h" | |
27 #include "core/dom/Element.h" | |
28 #include "core/events/GestureEvent.h" | |
29 #include "wtf/text/AtomicString.h" | |
30 | |
31 namespace WebCore { | |
32 | |
33 PassRefPtr<GestureEvent> GestureEvent::create() | |
34 { | |
35 return adoptRef(new GestureEvent); | |
36 } | |
37 | |
38 PassRefPtr<GestureEvent> GestureEvent::create(PassRefPtr<AbstractView> view, con
st PlatformGestureEvent& event) | |
39 { | |
40 AtomicString eventType; | |
41 switch (event.type()) { | |
42 case PlatformEvent::GestureScrollBegin: | |
43 eventType = eventNames().gesturescrollstartEvent; break; | |
44 case PlatformEvent::GestureScrollEnd: | |
45 eventType = eventNames().gesturescrollendEvent; break; | |
46 case PlatformEvent::GestureScrollUpdate: | |
47 case PlatformEvent::GestureScrollUpdateWithoutPropagation: | |
48 eventType = eventNames().gesturescrollupdateEvent; break; | |
49 case PlatformEvent::GestureTap: | |
50 eventType = eventNames().gesturetapEvent; break; | |
51 case PlatformEvent::GestureTapUnconfirmed: | |
52 eventType = eventNames().gesturetapunconfirmedEvent; break; | |
53 case PlatformEvent::GestureTapDown: | |
54 eventType = eventNames().gesturetapdownEvent; break; | |
55 case PlatformEvent::GestureTwoFingerTap: | |
56 case PlatformEvent::GestureLongPress: | |
57 case PlatformEvent::GesturePinchBegin: | |
58 case PlatformEvent::GesturePinchEnd: | |
59 case PlatformEvent::GesturePinchUpdate: | |
60 case PlatformEvent::GestureTapDownCancel: | |
61 default: | |
62 return 0; | |
63 } | |
64 return adoptRef(new GestureEvent(eventType, view, event.globalPosition().x()
, event.globalPosition().y(), event.position().x(), event.position().y(), event.
ctrlKey(), event.altKey(), event.shiftKey(), event.metaKey(), event.deltaX(), ev
ent.deltaY())); | |
65 } | |
66 | |
67 void GestureEvent::initGestureEvent(const AtomicString& type, PassRefPtr<Abstrac
tView> view, int screenX, int screenY, int clientX, int clientY, bool ctrlKey, b
ool altKey, bool shiftKey, bool metaKey, float deltaX, float deltaY) | |
68 { | |
69 if (dispatched()) | |
70 return; | |
71 | |
72 initUIEvent(type, true, true, view, 0); | |
73 m_screenLocation = IntPoint(screenX, screenY); | |
74 m_ctrlKey = ctrlKey; | |
75 m_altKey = altKey; | |
76 m_shiftKey = shiftKey; | |
77 m_metaKey = metaKey; | |
78 | |
79 m_deltaX = deltaX; | |
80 m_deltaY = deltaY; | |
81 | |
82 initCoordinates(IntPoint(clientX, clientY)); | |
83 } | |
84 | |
85 const AtomicString& GestureEvent::interfaceName() const | |
86 { | |
87 // FIXME: when a GestureEvent.idl interface is defined, return the string "G
estureEvent". | |
88 // Until that happens, do not advertise an interface that does not exist, si
nce it will | |
89 // trip up the bindings integrity checks. | |
90 return UIEvent::interfaceName(); | |
91 } | |
92 | |
93 GestureEvent::GestureEvent() | |
94 : m_deltaX(0) | |
95 , m_deltaY(0) | |
96 { | |
97 } | |
98 | |
99 GestureEvent::GestureEvent(const AtomicString& type, PassRefPtr<AbstractView> vi
ew, int screenX, int screenY, int clientX, int clientY, bool ctrlKey, bool altKe
y, bool shiftKey, bool metaKey, float deltaX, float deltaY) | |
100 : MouseRelatedEvent(type, true, true, view, 0, IntPoint(screenX, screenY), I
ntPoint(clientX, clientY), IntPoint(0, 0), ctrlKey, altKey, shiftKey, metaKey) | |
101 , m_deltaX(deltaX) | |
102 , m_deltaY(deltaY) | |
103 { | |
104 } | |
105 | |
106 GestureEventDispatchMediator::GestureEventDispatchMediator(PassRefPtr<GestureEve
nt> gestureEvent) | |
107 : EventDispatchMediator(gestureEvent) | |
108 { | |
109 } | |
110 | |
111 GestureEvent* GestureEventDispatchMediator::event() const | |
112 { | |
113 return static_cast<GestureEvent*>(EventDispatchMediator::event()); | |
114 } | |
115 | |
116 bool GestureEventDispatchMediator::dispatchEvent(EventDispatcher* dispatcher) co
nst | |
117 { | |
118 dispatcher->dispatch(); | |
119 ASSERT(!event()->defaultPrevented()); | |
120 return event()->defaultHandled() || event()->defaultPrevented(); | |
121 } | |
122 | |
123 } // namespace WebCore | |
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