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