Add EventHandlerRegistry

Source/core/dom/Node.cpp

 /*
  * 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/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 31 matching lines @@
 #include "core/dom/Element.h"
 #include "core/dom/ElementRareData.h"
 #include "core/dom/ElementTraversal.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/LiveNodeList.h"
 #include "core/dom/NodeRareData.h"
 #include "core/dom/NodeRenderingTraversal.h"
 #include "core/dom/NodeTraversal.h"
 #include "core/dom/ProcessingInstruction.h"
 #include "core/dom/Range.h"
+#include "core/dom/ScrollEventHandlerController.h"
 #include "core/dom/StaticNodeList.h"
 #include "core/dom/TemplateContentDocumentFragment.h"
 #include "core/dom/Text.h"
 #include "core/dom/TreeScopeAdopter.h"
 #include "core/dom/UserActionElementSet.h"
 #include "core/dom/WheelController.h"
 #include "core/dom/shadow/ElementShadow.h"
 #include "core/dom/shadow/InsertionPoint.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/editing/htmlediting.h"
@@ skipping 1850 matching lines @@
                 document().addListenerTypeIfNeeded(types[i]);
         }
     }
 
     if (AXObjectCache::accessibilityEnabled()) {
         if (AXObjectCache* cache = oldDocument.existingAXObjectCache())
             cache->remove(this);
     }
 
     const EventListenerVector& mousewheelListeners = getEventListeners(EventTypeNames::mousewheel);
-    WheelController* oldController = WheelController::from(oldDocument);
-    WheelController* newController = WheelController::from(document());
+    WheelController* oldWheelController = WheelController::from(oldDocument);
+    WheelController* newWheelController = WheelController::from(document());
     for (size_t i = 0; i < mousewheelListeners.size(); ++i) {
-        oldController->didRemoveWheelEventHandler(oldDocument);
-        newController->didAddWheelEventHandler(document());
+        oldWheelController->didRemoveWheelEventHandler(oldDocument);
+        newWheelController->didAddWheelEventHandler(document());
     }
 
     const EventListenerVector& wheelListeners = getEventListeners(EventTypeNames::wheel);
     for (size_t i = 0; i < wheelListeners.size(); ++i) {
-        oldController->didRemoveWheelEventHandler(oldDocument);
-        newController->didAddWheelEventHandler(document());
+        oldWheelController->didRemoveWheelEventHandler(oldDocument);
+        newWheelController->didAddWheelEventHandler(document());
+    }
+
+    const EventListenerVector& scrollListeners = getEventListeners(EventTypeNames::scroll);
+    ScrollEventHandlerController* oldScrollController = ScrollEventHandlerController::from(oldDocument);
+    ScrollEventHandlerController* newScrollController = ScrollEventHandlerController::from(document());
+    for (size_t i = 0; i < scrollListeners.size(); ++i) {
+        oldScrollController->didRemoveScrollEventHandler(oldDocument);
+        newScrollController->didAddScrollEventHandler(document());
     }
 
     if (const TouchEventTargetSet* touchHandlers = oldDocument.touchEventTargets()) {
         while (touchHandlers->contains(this)) {
             oldDocument.didRemoveTouchEventHandler(this);
             document().didAddTouchEventHandler(this);
         }
     }
 
     if (Vector<OwnPtr<MutationObserverRegistration> >* registry = mutationObserverRegistry()) {
@@ skipping 11 matching lines @@
 
 static inline bool tryAddEventListener(Node* targetNode, const AtomicString& eventType, PassRefPtr<EventListener> listener, bool useCapture)
 {
     if (!targetNode->EventTarget::addEventListener(eventType, listener, useCapture))
         return false;
 
     Document& document = targetNode->document();
     document.addListenerTypeIfNeeded(eventType);
     if (eventType == EventTypeNames::wheel || eventType == EventTypeNames::mousewheel)
         WheelController::from(document)->didAddWheelEventHandler(document);
+    else if (eventType == EventTypeNames::scroll)
+        ScrollEventHandlerController::from(document)->didAddScrollEventHandler(document);
     else if (isTouchEventType(eventType))
         document.didAddTouchEventHandler(targetNode);
 
     return true;
 }
 
 bool Node::addEventListener(const AtomicString& eventType, PassRefPtr<EventListener> listener, bool useCapture)
 {
     return tryAddEventListener(this, eventType, listener, useCapture);
 }
 
 static inline bool tryRemoveEventListener(Node* targetNode, const AtomicString& eventType, EventListener* listener, bool useCapture)
 {
     if (!targetNode->EventTarget::removeEventListener(eventType, listener, useCapture))
         return false;
 
     // FIXME: Notify Document that the listener has vanished. We need to keep track of a number of
     // listeners for each type, not just a bool - see https://bugs.webkit.org/show_bug.cgi?id=33861
     Document& document = targetNode->document();
     if (eventType == EventTypeNames::wheel || eventType == EventTypeNames::mousewheel)
         WheelController::from(document)->didRemoveWheelEventHandler(document);
+    else if (eventType == EventTypeNames::scroll)
+        ScrollEventHandlerController::from(document)->didRemoveScrollEventHandler(document);
     else if (isTouchEventType(eventType))
         document.didRemoveTouchEventHandler(targetNode);
 
     return true;
 }
 
 bool Node::removeEventListener(const AtomicString& eventType, EventListener* listener, bool useCapture)
 {
     return tryRemoveEventListener(this, eventType, listener, useCapture);
 }
@@ skipping 540 matching lines @@
         node->showTreeForThis();
 }
 
 void showNodePath(const WebCore::Node* node)
 {
     if (node)
         node->showNodePathForThis();
 }
 
 #endif