Revert 158219 "Move dom/*Event* to events to match the DOM vs. E..."

Source/core/events/EventDispatcher.cpp

Index: Source/core/events/EventDispatcher.cpp
===================================================================
--- Source/core/events/EventDispatcher.cpp	(revision 159156)
+++ Source/core/events/EventDispatcher.cpp	(working copy)
@@ -1,227 +0,0 @@
-/*
- * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
- *           (C) 1999 Antti Koivisto (koivisto@kde.org)
- *           (C) 2001 Dirk Mueller (mueller@kde.org)
- * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
- * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
- * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
- * Copyright (C) 2011 Google Inc. All rights reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#include "config.h"
-#include "core/events/EventDispatcher.h"
-
-#include "core/dom/ContainerNode.h"
-#include "core/events/EventContext.h"
-#include "core/events/EventDispatchMediator.h"
-#include "core/events/EventRetargeter.h"
-#include "core/events/MouseEvent.h"
-#include "core/events/ScopedEventQueue.h"
-#include "core/events/WindowEventContext.h"
-#include "core/inspector/InspectorInstrumentation.h"
-#include "core/page/FrameView.h"
-#include "wtf/RefPtr.h"
-
-namespace WebCore {
-
-static HashSet<Node*>* gNodesDispatchingSimulatedClicks = 0;
-
-bool EventDispatcher::dispatchEvent(Node* node, PassRefPtr<EventDispatchMediator> mediator)
-{
-    ASSERT(!NoEventDispatchAssertion::isEventDispatchForbidden());
-    if (!mediator->event())
-        return true;
-    EventDispatcher dispatcher(node, mediator->event());
-    return mediator->dispatchEvent(&dispatcher);
-}
-
-EventDispatcher::EventDispatcher(Node* node, PassRefPtr<Event> event)
-    : m_node(node)
-    , m_event(event)
-#ifndef NDEBUG
-    , m_eventDispatched(false)
-#endif
-{
-    ASSERT(node);
-    ASSERT(m_event.get());
-    ASSERT(!m_event->type().isNull()); // JavaScript code can create an event with an empty name, but not null.
-    m_view = node->document().view();
-    EventRetargeter::ensureEventPath(m_node.get(), m_event.get());
-}
-
-void EventDispatcher::dispatchScopedEvent(Node* node, PassRefPtr<EventDispatchMediator> mediator)
-{
-    // We need to set the target here because it can go away by the time we actually fire the event.
-    mediator->event()->setTarget(EventRetargeter::eventTargetRespectingTargetRules(node));
-    ScopedEventQueue::instance()->enqueueEventDispatchMediator(mediator);
-}
-
-void EventDispatcher::dispatchSimulatedClick(Node* node, Event* underlyingEvent, SimulatedClickMouseEventOptions mouseEventOptions, SimulatedClickVisualOptions visualOptions)
-{
-    if (isDisabledFormControl(node))
-        return;
-
-    if (!gNodesDispatchingSimulatedClicks)
-        gNodesDispatchingSimulatedClicks = new HashSet<Node*>;
-    else if (gNodesDispatchingSimulatedClicks->contains(node))
-        return;
-
-    gNodesDispatchingSimulatedClicks->add(node);
-
-    if (mouseEventOptions == SendMouseOverUpDownEvents)
-        EventDispatcher(node, SimulatedMouseEvent::create(eventNames().mouseoverEvent, node->document().defaultView(), underlyingEvent)).dispatch();
-
-    if (mouseEventOptions != SendNoEvents)
-        EventDispatcher(node, SimulatedMouseEvent::create(eventNames().mousedownEvent, node->document().defaultView(), underlyingEvent)).dispatch();
-    node->setActive(true, visualOptions == ShowPressedLook);
-    if (mouseEventOptions != SendNoEvents)
-        EventDispatcher(node, SimulatedMouseEvent::create(eventNames().mouseupEvent, node->document().defaultView(), underlyingEvent)).dispatch();
-    node->setActive(false);
-
-    // always send click
-    EventDispatcher(node, SimulatedMouseEvent::create(eventNames().clickEvent, node->document().defaultView(), underlyingEvent)).dispatch();
-
-    gNodesDispatchingSimulatedClicks->remove(node);
-}
-
-bool EventDispatcher::dispatch()
-{
-#ifndef NDEBUG
-    ASSERT(!m_eventDispatched);
-    m_eventDispatched = true;
-#endif
-    ChildNodesLazySnapshot::takeChildNodesLazySnapshot();
-
-    m_event->setTarget(EventRetargeter::eventTargetRespectingTargetRules(m_node.get()));
-    ASSERT(!NoEventDispatchAssertion::isEventDispatchForbidden());
-    ASSERT(m_event->target());
-    WindowEventContext windowEventContext(m_event.get(), m_node.get(), topEventContext());
-    InspectorInstrumentationCookie cookie = InspectorInstrumentation::willDispatchEvent(&m_node->document(), *m_event, windowEventContext.window(), m_node.get(), m_event->eventPath());
-
-    void* preDispatchEventHandlerResult;
-    if (dispatchEventPreProcess(preDispatchEventHandlerResult) == ContinueDispatching)
-        if (dispatchEventAtCapturing(windowEventContext) == ContinueDispatching)
-            if (dispatchEventAtTarget() == ContinueDispatching)
-                dispatchEventAtBubbling(windowEventContext);
-    dispatchEventPostProcess(preDispatchEventHandlerResult);
-
-    // Ensure that after event dispatch, the event's target object is the
-    // outermost shadow DOM boundary.
-    m_event->setTarget(windowEventContext.target());
-    m_event->setCurrentTarget(0);
-    InspectorInstrumentation::didDispatchEvent(cookie);
-
-    return !m_event->defaultPrevented();
-}
-
-inline EventDispatchContinuation EventDispatcher::dispatchEventPreProcess(void*& preDispatchEventHandlerResult)
-{
-    // Give the target node a chance to do some work before DOM event handlers get a crack.
-    preDispatchEventHandlerResult = m_node->preDispatchEventHandler(m_event.get());
-    return (m_event->eventPath().isEmpty() || m_event->propagationStopped()) ? DoneDispatching : ContinueDispatching;
-}
-
-inline EventDispatchContinuation EventDispatcher::dispatchEventAtCapturing(WindowEventContext& windowEventContext)
-{
-    // Trigger capturing event handlers, starting at the top and working our way down.
-    m_event->setEventPhase(Event::CAPTURING_PHASE);
-
-    if (windowEventContext.handleLocalEvents(m_event.get()) && m_event->propagationStopped())
-        return DoneDispatching;
-
-    for (size_t i = m_event->eventPath().size() - 1; i > 0; --i) {
-        const EventContext& eventContext = *m_event->eventPath()[i];
-        if (eventContext.currentTargetSameAsTarget())
-            continue;
-        eventContext.handleLocalEvents(m_event.get());
-        if (m_event->propagationStopped())
-            return DoneDispatching;
-    }
-
-    return ContinueDispatching;
-}
-
-inline EventDispatchContinuation EventDispatcher::dispatchEventAtTarget()
-{
-    m_event->setEventPhase(Event::AT_TARGET);
-    m_event->eventPath()[0]->handleLocalEvents(m_event.get());
-    return m_event->propagationStopped() ? DoneDispatching : ContinueDispatching;
-}
-
-inline void EventDispatcher::dispatchEventAtBubbling(WindowEventContext& windowContext)
-{
-    // Trigger bubbling event handlers, starting at the bottom and working our way up.
-    size_t size = m_event->eventPath().size();
-    for (size_t i = 1; i < size; ++i) {
-        const EventContext& eventContext = *m_event->eventPath()[i];
-        if (eventContext.currentTargetSameAsTarget())
-            m_event->setEventPhase(Event::AT_TARGET);
-        else if (m_event->bubbles() && !m_event->cancelBubble())
-            m_event->setEventPhase(Event::BUBBLING_PHASE);
-        else
-            continue;
-        eventContext.handleLocalEvents(m_event.get());
-        if (m_event->propagationStopped())
-            return;
-    }
-    if (m_event->bubbles() && !m_event->cancelBubble()) {
-        m_event->setEventPhase(Event::BUBBLING_PHASE);
-        windowContext.handleLocalEvents(m_event.get());
-    }
-}
-
-inline void EventDispatcher::dispatchEventPostProcess(void* preDispatchEventHandlerResult)
-{
-    m_event->setTarget(EventRetargeter::eventTargetRespectingTargetRules(m_node.get()));
-    m_event->setCurrentTarget(0);
-    m_event->setEventPhase(0);
-
-    // Pass the data from the preDispatchEventHandler to the postDispatchEventHandler.
-    m_node->postDispatchEventHandler(m_event.get(), preDispatchEventHandlerResult);
-
-    // Call default event handlers. While the DOM does have a concept of preventing
-    // default handling, the detail of which handlers are called is an internal
-    // implementation detail and not part of the DOM.
-    if (!m_event->defaultPrevented() && !m_event->defaultHandled()) {
-        // Non-bubbling events call only one default event handler, the one for the target.
-        m_node->willCallDefaultEventHandler(*m_event);
-        m_node->defaultEventHandler(m_event.get());
-        ASSERT(!m_event->defaultPrevented());
-        if (m_event->defaultHandled())
-            return;
-        // For bubbling events, call default event handlers on the same targets in the
-        // same order as the bubbling phase.
-        if (m_event->bubbles()) {
-            size_t size = m_event->eventPath().size();
-            for (size_t i = 1; i < size; ++i) {
-                m_event->eventPath()[i]->node()->willCallDefaultEventHandler(*m_event);
-                m_event->eventPath()[i]->node()->defaultEventHandler(m_event.get());
-                ASSERT(!m_event->defaultPrevented());
-                if (m_event->defaultHandled())
-                    return;
-            }
-        }
-    }
-}
-
-const EventContext* EventDispatcher::topEventContext()
-{
-    return m_event->eventPath().isEmpty() ? 0 : m_event->eventPath().last().get();
-}
-
-}