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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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