| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "core/events/DragEvent.h" |
| |
| #include "core/clipboard/DataTransfer.h" |
| #include "core/dom/Element.h" |
| #include "core/events/EventDispatcher.h" |
| |
| namespace blink { |
| |
| DragEvent* DragEvent::create(const AtomicString& type, bool canBubble, bool cancelable, AbstractView* view, |
| int detail, int screenX, int screenY, int windowX, int windowY, |
| int movementX, int movementY, |
| PlatformEvent::Modifiers modifiers, |
| short button, unsigned short buttons, |
| EventTarget* relatedTarget, |
| double platformTimeStamp, DataTransfer* dataTransfer, |
| PlatformMouseEvent::SyntheticEventType syntheticEventType) |
| { |
| return new DragEvent(type, canBubble, cancelable, view, |
| detail, screenX, screenY, windowX, windowY, |
| movementX, movementY, |
| modifiers, button, buttons, relatedTarget, platformTimeStamp, |
| dataTransfer, syntheticEventType); |
| } |
| |
| |
| DragEvent::DragEvent() |
| : m_dataTransfer(nullptr) |
| { |
| } |
| |
| DragEvent::DragEvent(DataTransfer* dataTransfer) |
| : m_dataTransfer(dataTransfer) |
| { |
| } |
| |
| DragEvent::DragEvent(const AtomicString& eventType, bool canBubble, bool cancelable, AbstractView* view, |
| int detail, int screenX, int screenY, int windowX, int windowY, |
| int movementX, int movementY, |
| PlatformEvent::Modifiers modifiers, |
| short button, unsigned short buttons, EventTarget* relatedTarget, |
| double platformTimeStamp, DataTransfer* dataTransfer, |
| PlatformMouseEvent::SyntheticEventType syntheticEventType) |
| : MouseEvent(eventType, canBubble, cancelable, view, detail, screenX, screenY, |
| windowX, windowY, movementX, movementY, modifiers, button, buttons, relatedTarget, |
| platformTimeStamp, syntheticEventType, |
| // TODO(zino): Should support canvas hit region because the drag event |
| // is a kind of mouse event. Please see http://crbug.com/594073 |
| String()) |
| , m_dataTransfer(dataTransfer) |
| |
| { |
| } |
| |
| DragEvent::DragEvent(const AtomicString& type, const DragEventInit& initializer) |
| : MouseEvent(type, initializer) |
| , m_dataTransfer(initializer.getDataTransfer()) |
| { |
| } |
| |
| bool DragEvent::isDragEvent() const |
| { |
| return true; |
| } |
| |
| bool DragEvent::isMouseEvent() const |
| { |
| return false; |
| } |
| |
| EventDispatchMediator* DragEvent::createMediator() |
| { |
| return DragEventDispatchMediator::create(this); |
| } |
| |
| DEFINE_TRACE(DragEvent) |
| { |
| visitor->trace(m_dataTransfer); |
| MouseEvent::trace(visitor); |
| } |
| |
| DragEventDispatchMediator* DragEventDispatchMediator::create(DragEvent* dragEvent) |
| { |
| return new DragEventDispatchMediator(dragEvent); |
| } |
| |
| DragEventDispatchMediator::DragEventDispatchMediator(DragEvent* dragEvent) |
| : EventDispatchMediator(dragEvent) |
| { |
| } |
| |
| DragEvent& DragEventDispatchMediator::event() const |
| { |
| return toDragEvent(EventDispatchMediator::event()); |
| } |
| |
| DispatchEventResult DragEventDispatchMediator::dispatchEvent(EventDispatcher& dispatcher) const |
| { |
| event().eventPath().adjustForRelatedTarget(dispatcher.node(), event().relatedTarget()); |
| return EventDispatchMediator::dispatchEvent(dispatcher); |
| } |
| |
| } // namespace blink |