Add EventHandlerRegistry

Source/core/page/EventHandler.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2012 Digia Plc. 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.
@@ skipping 18 matching lines @@
 #include "core/page/EventHandler.h"
 
 #include "HTMLNames.h"
 #include "RuntimeEnabledFeatures.h"
 #include "SVGNames.h"
 #include "bindings/v8/ExceptionStatePlaceholder.h"
 #include "core/clipboard/Clipboard.h"
 #include "core/clipboard/DataObject.h"
 #include "core/dom/Document.h"
 #include "core/dom/DocumentMarkerController.h"
+#include "core/dom/EventHandlerRegistry.h"
 #include "core/dom/FullscreenElementStack.h"
 #include "core/dom/NodeRenderingTraversal.h"
 #include "core/dom/TouchList.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/editing/Editor.h"
 #include "core/editing/FrameSelection.h"
 #include "core/editing/TextIterator.h"
 #include "core/editing/htmlediting.h"
 #include "core/events/DOMWindowEventQueue.h"
 #include "core/events/EventPath.h"
@@ skipping 3616 matching lines @@
             // Touch events should not go to text nodes
             if (node->isTextNode())
                 node = EventPath::parent(node);
 
             Document& doc = node->document();
             // Record the originating touch document even if it does not have a touch listener.
             if (freshTouchEvents) {
                 m_originatingTouchPointDocument = &doc;
                 freshTouchEvents = false;
             }
-            if (!doc.hasTouchEventHandlers())
+            if (!EventHandlerRegistry::from(doc)->eventHandlerCount(EventHandlerRegistry::TouchEvent))
                 continue;
             m_originatingTouchPointTargets.set(touchPointTargetKey, node);
             touchTarget = node;
 
             TouchAction effectiveTouchAction = computeEffectiveTouchAction(pagePoint);
             if (effectiveTouchAction != TouchActionAuto)
                 m_frame->page()->chrome().client().setTouchAction(effectiveTouchAction);
 
         } else if (pointState == PlatformTouchPoint::TouchReleased || pointState == PlatformTouchPoint::TouchCancelled) {
             // The target should be the original target for this touch, so get it from the hashmap. As it's a release or cancel
             // we also remove it from the map.
             touchTarget = m_originatingTouchPointTargets.take(touchPointTargetKey);
         } else
             // No hittest is performed on move or stationary, since the target is not allowed to change anyway.
             touchTarget = m_originatingTouchPointTargets.get(touchPointTargetKey);
 
         if (!touchTarget.get())
             continue;
         Document& doc = touchTarget->toNode()->document();
-        if (!doc.hasTouchEventHandlers())
+        if (!EventHandlerRegistry::from(doc)->eventHandlerCount(EventHandlerRegistry::TouchEvent))
             continue;
         LocalFrame* targetFrame = doc.frame();
         if (!targetFrame)
             continue;
 
         if (m_frame != targetFrame) {
             // pagePoint should always be relative to the target elements containing frame.
             pagePoint = documentPointForWindowPoint(targetFrame, point.pos());
         }
 
@@ skipping 318 matching lines @@
 unsigned EventHandler::accessKeyModifiers()
 {
 #if OS(MACOSX)
     return PlatformEvent::CtrlKey | PlatformEvent::AltKey;
 #else
     return PlatformEvent::AltKey;
 #endif
 }
 
 } // namespace WebCore