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/*
* Copyright (C) 2012 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "core/dom/Element.h"
#include "core/events/GestureEvent.h"
#include "wtf/text/AtomicString.h"
namespace blink {
PassRefPtrWillBeRawPtr<GestureEvent> GestureEvent::create(PassRefPtrWillBeRawPtr<AbstractView> view, const PlatformGestureEvent& event)
{
AtomicString eventType;
float deltaX = 0;
float deltaY = 0;
switch (event.type()) {
case PlatformEvent::GestureScrollBegin:
eventType = EventTypeNames::gesturescrollstart; break;
case PlatformEvent::GestureScrollEnd:
eventType = EventTypeNames::gesturescrollend; break;
case PlatformEvent::GestureScrollUpdate:
// Only deltaX/Y are used when converting this
// back to a PlatformGestureEvent.
eventType = EventTypeNames::gesturescrollupdate;
deltaX = event.deltaX();
deltaY = event.deltaY();
break;
case PlatformEvent::GestureTap:
eventType = EventTypeNames::gesturetap; break;
case PlatformEvent::GestureTapUnconfirmed:
eventType = EventTypeNames::gesturetapunconfirmed; break;
case PlatformEvent::GestureTapDown:
eventType = EventTypeNames::gesturetapdown; break;
case PlatformEvent::GestureShowPress:
eventType = EventTypeNames::gestureshowpress; break;
case PlatformEvent::GestureTwoFingerTap:
case PlatformEvent::GestureLongPress:
case PlatformEvent::GesturePinchBegin:
case PlatformEvent::GesturePinchEnd:
case PlatformEvent::GesturePinchUpdate:
case PlatformEvent::GestureTapDownCancel:
default:
return nullptr;
}
return adoptRefWillBeNoop(new GestureEvent(eventType, view, event.globalPosition().x(), event.globalPosition().y(), event.position().x(), event.position().y(), event.ctrlKey(), event.altKey(), event.shiftKey(), event.metaKey(), deltaX, deltaY, event.timestamp()));
}
const AtomicString& GestureEvent::interfaceName() const
{
// FIXME: when a GestureEvent.idl interface is defined, return the string "GestureEvent".
// Until that happens, do not advertise an interface that does not exist, since it will
// trip up the bindings integrity checks.
return UIEvent::interfaceName();
}
bool GestureEvent::isGestureEvent() const
{
return true;
}
GestureEvent::GestureEvent()
: m_deltaX(0)
, m_deltaY(0)
{
}
GestureEvent::GestureEvent(const AtomicString& type, PassRefPtrWillBeRawPtr<AbstractView> view, int screenX, int screenY, int clientX, int clientY, bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, float deltaX, float deltaY, double uiTimestamp)
: MouseRelatedEvent(type, true, true, view, 0, IntPoint(screenX, screenY), IntPoint(clientX, clientY), IntPoint(0, 0), ctrlKey, altKey, shiftKey, metaKey)
, m_deltaX(deltaX)
, m_deltaY(deltaY)
{
setUICreateTime(uiTimestamp);
}
void GestureEvent::trace(Visitor* visitor)
{
MouseRelatedEvent::trace(visitor);
}
GestureEventDispatchMediator::GestureEventDispatchMediator(PassRefPtrWillBeRawPtr<GestureEvent> gestureEvent)
: EventDispatchMediator(gestureEvent)
{
}
GestureEvent& GestureEventDispatchMediator::event() const
{
return toGestureEvent(EventDispatchMediator::event());
}
bool GestureEventDispatchMediator::dispatchEvent(EventDispatcher& dispatcher) const
{
dispatcher.dispatch();
ASSERT(!event().defaultPrevented());
return event().defaultHandled() || event().defaultPrevented();
}
} // namespace blink
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