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()
40 ScriptWrappable::init(this);
43 TouchEvent::TouchEvent(TouchList* touches, TouchList* targetTouches,
44 TouchList* changedTouches, const AtomicString& type,
45 PassRefPtrWillBeRawPtr<AbstractView> view,
46 bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool cancelable)
47 : UIEventWithKeyState(type, true, cancelable, view, 0,
48 ctrlKey, altKey, shiftKey, metaKey)
50 , m_targetTouches(targetTouches)
51 , m_changedTouches(changedTouches)
53 ScriptWrappable::init(this);
56 TouchEvent::~TouchEvent()
60 void TouchEvent::initTouchEvent(TouchList* touches, TouchList* targetTouches,
61 TouchList* changedTouches, const AtomicString& type,
62 PassRefPtrWillBeRawPtr<AbstractView> view,
64 bool ctrlKey, bool altKey, bool shiftKey, bool metaKey)
69 bool cancelable = true;
70 if (type == EventTypeNames::touchcancel)
73 initUIEvent(type, true, cancelable, view, 0);
76 m_targetTouches = targetTouches;
77 m_changedTouches = changedTouches;
80 m_shiftKey = shiftKey;
84 const AtomicString& TouchEvent::interfaceName() const
86 return EventNames::TouchEvent;
89 bool TouchEvent::isTouchEvent() const
94 void TouchEvent::preventDefault()
96 UIEventWithKeyState::preventDefault();
98 // A common developer error is to wait too long before attempting to stop
99 // scrolling by consuming a touchmove event. Generate a warning if this
100 // event is uncancelable.
101 if (!cancelable() && view() && view()->frame()) {
102 view()->frame()->console().addMessage(ConsoleMessage::create(JSMessageSource, WarningMessageLevel,
103 "Ignored attempt to cancel a " + type() + " event with cancelable=false, for example because scrolling is in progress and cannot be interrupted."));
106 void TouchEvent::trace(Visitor* visitor)
108 visitor->trace(m_touches);
109 visitor->trace(m_targetTouches);
110 visitor->trace(m_changedTouches);
111 UIEventWithKeyState::trace(visitor);
114 PassRefPtrWillBeRawPtr<TouchEventDispatchMediator> TouchEventDispatchMediator::create(PassRefPtrWillBeRawPtr<TouchEvent> touchEvent)
116 return adoptRefWillBeNoop(new TouchEventDispatchMediator(touchEvent));
119 TouchEventDispatchMediator::TouchEventDispatchMediator(PassRefPtrWillBeRawPtr<TouchEvent> touchEvent)
120 : EventDispatchMediator(touchEvent)
124 TouchEvent* TouchEventDispatchMediator::event() const
126 return toTouchEvent(EventDispatchMediator::event());
129 bool TouchEventDispatchMediator::dispatchEvent(EventDispatcher* dispatcher) const
131 event()->eventPath().adjustForTouchEvent(dispatcher->node(), *event());
132 return dispatcher->dispatch();