2 * Copyright 2008, The Android Open Source Project
3 * Copyright (C) 2012 Research In Motion Limited. All rights reserved.
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29 #include "core/events/TouchEvent.h"
31 #include "core/events/EventDispatcher.h"
32 #include "core/frame/FrameConsole.h"
33 #include "core/frame/LocalFrame.h"
34 #include "core/inspector/ConsoleMessage.h"
38 TouchEvent::TouchEvent()
42 TouchEvent::TouchEvent(TouchList* touches, TouchList* targetTouches,
43 TouchList* changedTouches, const AtomicString& type,
44 PassRefPtrWillBeRawPtr<AbstractView> view,
45 bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool cancelable)
46 : UIEventWithKeyState(type, true, cancelable, view, 0,
47 ctrlKey, altKey, shiftKey, metaKey)
49 , m_targetTouches(targetTouches)
50 , m_changedTouches(changedTouches)
54 TouchEvent::~TouchEvent()
58 void TouchEvent::initTouchEvent(TouchList* touches, TouchList* targetTouches,
59 TouchList* changedTouches, const AtomicString& type,
60 PassRefPtrWillBeRawPtr<AbstractView> view,
62 bool ctrlKey, bool altKey, bool shiftKey, bool metaKey)
67 bool cancelable = true;
68 if (type == EventTypeNames::touchcancel)
71 initUIEvent(type, true, cancelable, view, 0);
74 m_targetTouches = targetTouches;
75 m_changedTouches = changedTouches;
78 m_shiftKey = shiftKey;
82 const AtomicString& TouchEvent::interfaceName() const
84 return EventNames::TouchEvent;
87 bool TouchEvent::isTouchEvent() const
92 void TouchEvent::preventDefault()
94 UIEventWithKeyState::preventDefault();
96 // A common developer error is to wait too long before attempting to stop
97 // scrolling by consuming a touchmove event. Generate a warning if this
98 // event is uncancelable.
99 if (!cancelable() && view() && view()->frame()) {
100 view()->frame()->console().addMessage(ConsoleMessage::create(JSMessageSource, WarningMessageLevel,
101 "Ignored attempt to cancel a " + type() + " event with cancelable=false, for example because scrolling is in progress and cannot be interrupted."));
104 void TouchEvent::trace(Visitor* visitor)
106 visitor->trace(m_touches);
107 visitor->trace(m_targetTouches);
108 visitor->trace(m_changedTouches);
109 UIEventWithKeyState::trace(visitor);
112 PassRefPtrWillBeRawPtr<TouchEventDispatchMediator> TouchEventDispatchMediator::create(PassRefPtrWillBeRawPtr<TouchEvent> touchEvent)
114 return adoptRefWillBeNoop(new TouchEventDispatchMediator(touchEvent));
117 TouchEventDispatchMediator::TouchEventDispatchMediator(PassRefPtrWillBeRawPtr<TouchEvent> touchEvent)
118 : EventDispatchMediator(touchEvent)
122 TouchEvent* TouchEventDispatchMediator::event() const
124 return toTouchEvent(EventDispatchMediator::event());
127 bool TouchEventDispatchMediator::dispatchEvent(EventDispatcher* dispatcher) const
129 event()->eventPath().adjustForTouchEvent(dispatcher->node(), *event());
130 return dispatcher->dispatch();