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

Source/core/events/EventSender.h

-/*
- * Copyright (C) 2012 Apple 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:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. 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 APPLE INC. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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.
- */
-
-#ifndef EventSender_h
-#define EventSender_h
-
-#include "core/platform/Timer.h"
-#include "wtf/Vector.h"
-#include "wtf/text/AtomicString.h"
-
-namespace WebCore {
-
-template<typename T> class EventSender {
-    WTF_MAKE_NONCOPYABLE(EventSender); WTF_MAKE_FAST_ALLOCATED;
-public:
-    explicit EventSender(const AtomicString& eventType);
-
-    const AtomicString& eventType() const { return m_eventType; }
-    void dispatchEventSoon(T*);
-    void cancelEvent(T*);
-    void dispatchPendingEvents();
-
-#ifndef NDEBUG
-    bool hasPendingEvents(T* sender) const
-    {
-        return m_dispatchSoonList.find(sender) != kNotFound || m_dispatchingList.find(sender) != kNotFound;
-    }
-#endif
-
-private:
-    void timerFired(Timer<EventSender<T> >*) { dispatchPendingEvents(); }
-
-    AtomicString m_eventType;
-    Timer<EventSender<T> > m_timer;
-    Vector<T*> m_dispatchSoonList;
-    Vector<T*> m_dispatchingList;
-};
-
-template<typename T> EventSender<T>::EventSender(const AtomicString& eventType)
-    : m_eventType(eventType)
-    , m_timer(this, &EventSender::timerFired)
-{
-}
-
-template<typename T> void EventSender<T>::dispatchEventSoon(T* sender)
-{
-    m_dispatchSoonList.append(sender);
-    if (!m_timer.isActive())
-        m_timer.startOneShot(0);
-}
-
-template<typename T> void EventSender<T>::cancelEvent(T* sender)
-{
-    // Remove instances of this sender from both lists.
-    // Use loops because we allow multiple instances to get into the lists.
-    size_t size = m_dispatchSoonList.size();
-    for (size_t i = 0; i < size; ++i) {
-        if (m_dispatchSoonList[i] == sender)
-            m_dispatchSoonList[i] = 0;
-    }
-    size = m_dispatchingList.size();
-    for (size_t i = 0; i < size; ++i) {
-        if (m_dispatchingList[i] == sender)
-            m_dispatchingList[i] = 0;
-    }
-}
-
-template<typename T> void EventSender<T>::dispatchPendingEvents()
-{
-    // Need to avoid re-entering this function; if new dispatches are
-    // scheduled before the parent finishes processing the list, they
-    // will set a timer and eventually be processed.
-    if (!m_dispatchingList.isEmpty())
-        return;
-
-    m_timer.stop();
-
-    m_dispatchingList.swap(m_dispatchSoonList);
-    size_t size = m_dispatchingList.size();
-    for (size_t i = 0; i < size; ++i) {
-        if (T* sender = m_dispatchingList[i]) {
-            m_dispatchingList[i] = 0;
-            sender->dispatchPendingEvent(this);
-        }
-    }
-    m_dispatchingList.clear();
-}
-
-} // namespace WebCore
-
-#endif // EventSender_h