| /* |
| * 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: |
| case PlatformEvent::GestureScrollUpdateWithoutPropagation: |
| // 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)); |
| } |
| |
| 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) |
| : 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) |
| { |
| } |
| |
| 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 |