Add EventHandlerRegistry

Source/core/frame/DOMWindow.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  *
  * 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
@@ skipping 389 matching lines @@
 
     if (m_frame->page() && m_frame->view()) {
         if (ScrollingCoordinator* scrollingCoordinator = m_frame->page()->scrollingCoordinator()) {
             scrollingCoordinator->scrollableAreaScrollbarLayerDidChange(m_frame->view(), HorizontalScrollbar);
             scrollingCoordinator->scrollableAreaScrollbarLayerDidChange(m_frame->view(), VerticalScrollbar);
             scrollingCoordinator->scrollableAreaScrollLayerDidChange(m_frame->view());
         }
     }
 
     m_frame->selection().updateSecureKeyboardEntryIfActive();
-
-    if (m_frame->isMainFrame()) {
-        m_frame->notifyChromeClientWheelEventHandlerCountChanged();
-        if (m_document->hasTouchEventHandlers())
-            m_frame->host()->chrome().client().needTouchEvents(true);
-    }
-
     return m_document;
 }
 
 EventQueue* DOMWindow::eventQueue() const
 {
     return m_eventQueue.get();
 }
 
 void DOMWindow::enqueueWindowEvent(PassRefPtr<Event> event)
 {
@@ skipping 1087 matching lines @@
     window->sessionStorage(IGNORE_EXCEPTION);
 }
 
 bool DOMWindow::addEventListener(const AtomicString& eventType, PassRefPtr<EventListener> listener, bool useCapture)
 {
     if (!EventTarget::addEventListener(eventType, listener, useCapture))
         return false;
 
     if (Document* document = this->document()) {
         document->addListenerTypeIfNeeded(eventType);
-        if (isTouchEventType(eventType))
-            document->didAddTouchEventHandler(document);
-        else if (eventType == EventTypeNames::storage)
+        if (eventType == EventTypeNames::storage)
             didAddStorageEventListener(this);
     }
 
     lifecycleNotifier().notifyAddEventListener(this, eventType);
 
     if (eventType == EventTypeNames::unload) {
         UseCounter::count(document(), UseCounter::DocumentUnloadRegistered);
         addUnloadEventListener(this);
     } else if (eventType == EventTypeNames::beforeunload) {
         UseCounter::count(document(), UseCounter::DocumentBeforeUnloadRegistered);
         if (allowsBeforeUnloadListeners(this)) {
             // This is confusingly named. It doesn't actually add the listener. It just increments a count
             // so that we know we have listeners registered for the purposes of determining if we can
             // fast terminate the renderer process.
             addBeforeUnloadEventListener(this);
         } else {
             // Subframes return false from allowsBeforeUnloadListeners.
             UseCounter::count(document(), UseCounter::SubFrameBeforeUnloadRegistered);
         }
     }
 
     return true;
 }
 
 bool DOMWindow::removeEventListener(const AtomicString& eventType, EventListener* listener, bool useCapture)
 {
     if (!EventTarget::removeEventListener(eventType, listener, useCapture))
         return false;
 
-    if (Document* document = this->document()) {
-        if (isTouchEventType(eventType))
-            document->didRemoveTouchEventHandler(document);
-    }
-
     lifecycleNotifier().notifyRemoveEventListener(this, eventType);
 
     if (eventType == EventTypeNames::unload) {
         removeUnloadEventListener(this);
     } else if (eventType == EventTypeNames::beforeunload && allowsBeforeUnloadListeners(this)) {
         removeBeforeUnloadEventListener(this);
     }
 
     return true;
 }
@@ skipping 41 matching lines @@
 
     return result;
 }
 
 void DOMWindow::removeAllEventListeners()
 {
     EventTarget::removeAllEventListeners();
 
     lifecycleNotifier().notifyRemoveAllEventListeners(this);
 
-    if (Document* document = this->document())
-        document->didClearTouchEventHandlers(document);
-
     removeAllUnloadEventListeners(this);
     removeAllBeforeUnloadEventListeners(this);
 }
 
 void DOMWindow::finishedLoading()
 {
     if (m_shouldPrintWhenFinishedLoading) {
         m_shouldPrintWhenFinishedLoading = false;
         print();
     }
@@ skipping 253 matching lines @@
     visitor->trace(m_localStorage);
     visitor->trace(m_applicationCache);
     visitor->trace(m_performance);
     visitor->trace(m_css);
 #if ENABLE(OILPAN)
     HeapSupplementable<DOMWindow>::trace(visitor);
 #endif
 }
 
 } // namespace WebCore