diff --git a/accessible/public/nsPIAccessible.idl b/accessible/public/nsPIAccessible.idl
index d894056720b..c7a71829887 100644
--- a/accessible/public/nsPIAccessible.idl
+++ b/accessible/public/nsPIAccessible.idl
@@ -41,7 +41,7 @@
 interface nsIAccessible;
 interface nsIAccessibleEvent;
 
-[uuid(e4865da3-f292-4f1a-9c56-dd307f1bdc17)]
+[uuid(96518e2e-b142-4b5d-9324-0fa5ba4f8bab)]
 interface nsPIAccessible : nsISupports
 {
   /**
@@ -69,18 +69,6 @@ interface nsPIAccessible : nsISupports
    */
   void invalidateChildren();
 
-  /**
-   * Fire accessible event.
-   *
-   * @param aEvent - DOM event
-   * @param aTarget - target of DOM event
-   * @param aData - additional information for accessible event.
-   *
-   * XXX: eventually this method will be removed (see bug 377022)
-   */
-  void fireToolkitEvent(in unsigned long aEvent, in nsIAccessible aTarget,
-                        in voidPtr aData);
-
   /**
    * Fire accessible event.
    */
diff --git a/accessible/src/base/nsAccessibilityUtils.cpp b/accessible/src/base/nsAccessibilityUtils.cpp
index 83750014197..9013ee4ef22 100755
--- a/accessible/src/base/nsAccessibilityUtils.cpp
+++ b/accessible/src/base/nsAccessibilityUtils.cpp
@@ -37,6 +37,10 @@
  * ***** END LICENSE BLOCK ***** */
 
 #include "nsAccessibilityUtils.h"
+
+#include "nsPIAccessible.h"
+#include "nsAccessibleEventData.h"
+
 #include "nsIDOMXULSelectCntrlEl.h"
 #include "nsIDOMXULSelectCntrlItemEl.h"
 #include "nsIEventListenerManager.h"
@@ -163,3 +167,18 @@ nsAccUtils::HasListener(nsIContent *aContent, const nsAString& aEventType)
   return listenerManager && listenerManager->HasListenersFor(aEventType);  
 }
 
+nsresult
+nsAccUtils::FireAccEvent(PRUint32 aEventType, nsIAccessible *aAccessible)
+{
+  NS_ENSURE_ARG(aAccessible);
+
+  nsCOMPtr<nsPIAccessible> pAccessible(do_QueryInterface(aAccessible));
+  NS_ASSERTION(pAccessible, "Accessible doesn't implement nsPIAccessible");
+
+  nsCOMPtr<nsIAccessibleEvent> event =
+    new nsAccEvent(aEventType, aAccessible, nsnull);
+  NS_ENSURE_TRUE(event, NS_ERROR_OUT_OF_MEMORY);
+
+  return pAccessible->FireAccessibleEvent(event);
+}
+
diff --git a/accessible/src/base/nsAccessibilityUtils.h b/accessible/src/base/nsAccessibilityUtils.h
index 4c2c9b3be0f..227de36ca82 100755
--- a/accessible/src/base/nsAccessibilityUtils.h
+++ b/accessible/src/base/nsAccessibilityUtils.h
@@ -40,6 +40,7 @@
 #define nsAccessibilityUtils_h_
 
 #include "nsAccessibilityAtoms.h"
+#include "nsIAccessible.h"
 
 #include "nsIDOMNode.h"
 #include "nsIPersistentProperties2.h"
@@ -101,7 +102,16 @@ public:
   static void SetAccAttrsForXULSelectControlItem(nsIDOMNode *aNode,
                                                  nsIPersistentProperties *aAttributes);
 
+  /**
+   * Return true if the given node has registered event listener of the given
+   * type.
+   */
   static PRBool HasListener(nsIContent *aContent, const nsAString& aEventType);
+
+  /**
+   * Fire accessible event of the given type for the given accessible.
+   */
+  static nsresult FireAccEvent(PRUint32 aEventType, nsIAccessible *aAccessible);
 };
 
 #endif
diff --git a/accessible/src/base/nsAccessible.cpp b/accessible/src/base/nsAccessible.cpp
index a74c706616b..b918675af3b 100644
--- a/accessible/src/base/nsAccessible.cpp
+++ b/accessible/src/base/nsAccessible.cpp
@@ -2007,22 +2007,6 @@ PRBool nsAccessible::IsNodeRelevant(nsIDOMNode *aNode)
   return aNode == relevantNode;
 }
 
-NS_IMETHODIMP nsAccessible::FireToolkitEvent(PRUint32 aEvent, nsIAccessible *aTarget, void * aData)
-{
-  // Don't fire event for accessible that has been shut down
-  if (!mWeakShell)
-    return NS_ERROR_FAILURE;
-
-  NS_ENSURE_TRUE(IsNodeRelevant(mDOMNode), NS_ERROR_FAILURE);
-
-  nsCOMPtr<nsIAccessibleDocument> docAccessible(GetDocAccessible());
-  nsCOMPtr<nsPIAccessible> eventHandlingAccessible(do_QueryInterface(docAccessible));
-  if (eventHandlingAccessible)
-    return eventHandlingAccessible->FireToolkitEvent(aEvent, aTarget, aData);
-
-  return NS_ERROR_FAILURE;
-}
-
 NS_IMETHODIMP
 nsAccessible::FireAccessibleEvent(nsIAccessibleEvent *aEvent)
 {
diff --git a/accessible/src/base/nsDocAccessible.cpp b/accessible/src/base/nsDocAccessible.cpp
index 4d7e950d8c6..16cb3767f0e 100644
--- a/accessible/src/base/nsDocAccessible.cpp
+++ b/accessible/src/base/nsDocAccessible.cpp
@@ -757,8 +757,8 @@ NS_IMETHODIMP nsDocAccessible::FireAnchorJumpEvent()
   }
 
   if (mIsAnchorJumped) {
-    FireToolkitEvent(nsIAccessibleEvent::EVENT_DOCUMENT_ATTRIBUTES_CHANGED,
-                     this, nsnull);
+    nsAccUtils::
+      FireAccEvent(nsIAccessibleEvent::EVENT_DOCUMENT_ATTRIBUTES_CHANGED, this);
   }
 
   return NS_OK;
@@ -816,7 +816,7 @@ NS_IMETHODIMP nsDocAccessible::FireDocLoadEvents(PRUint32 aEventType)
     FireAccessibleEvent(accEvent);
   }
 
-  FireToolkitEvent(aEventType, this, nsnull);
+  nsAccUtils::FireAccEvent(aEventType, this);
   return NS_OK;
 }
 
@@ -830,8 +830,8 @@ void nsDocAccessible::ScrollTimerCallback(nsITimer *aTimer, void *aClosure)
     // We only want to fire accessibilty scroll event when scrolling stops or pauses
     // Therefore, we wait for no scroll events to occur between 2 ticks of this timer
     // That indicates a pause in scrolling, so we fire the accessibilty scroll event
-    docAcc->FireToolkitEvent(nsIAccessibleEvent::EVENT_SCROLLING_END, docAcc,
-                             nsnull);
+    nsAccUtils::FireAccEvent(nsIAccessibleEvent::EVENT_SCROLLING_END, docAcc);
+
     docAcc->mScrollPositionChangedTicks = 0;
     if (docAcc->mScrollWatchTimer) {
       docAcc->mScrollWatchTimer->Cancel();
@@ -1278,8 +1278,8 @@ NS_IMETHODIMP nsDocAccessible::FlushPendingEvents()
           PRInt32 selectionCount;
           accessibleText->GetSelectionCount(&selectionCount);
           if (selectionCount) {  // There's a selection so fire selection change as well
-            FireToolkitEvent(nsIAccessibleEvent::EVENT_TEXT_SELECTION_CHANGED,
-                                                 accessible, nsnull);
+            nsAccUtils::FireAccEvent(nsIAccessibleEvent::EVENT_TEXT_SELECTION_CHANGED,
+                                     accessible);
           }
         } 
       }
@@ -1328,8 +1328,8 @@ void nsDocAccessible::RefreshNodes(nsIDOMNode *aStartNode, PRUint32 aChangeEvent
             if (!popup) {
               // Popup elements already fire these via DOMMenuInactive
               // handling in nsRootAccessible::HandleEvent
-              FireToolkitEvent(nsIAccessibleEvent::EVENT_MENUPOPUP_END,
-                               accessible, nsnull);
+              nsAccUtils::FireAccEvent(nsIAccessibleEvent::EVENT_MENUPOPUP_END,
+                                       accessible);
             }
           }
         }
@@ -1428,11 +1428,8 @@ NS_IMETHODIMP nsDocAccessible::InvalidateCacheSubtree(nsIContent *aChild,
       aChangeEventType == nsIAccessibleEvent::EVENT_REORDER) {
     // Fire EVENT_HIDE if previous accessible existed for node being hidden.
     // Fire this before the accessible goes away.
-    nsCOMPtr<nsPIAccessible> privateChildAccessible =
-      do_QueryInterface(childAccessible);
-    if (privateChildAccessible)
-      privateChildAccessible->FireToolkitEvent(nsIAccessibleEvent::EVENT_HIDE,
-                                               childAccessible, nsnull);
+    if (childAccessible)
+      nsAccUtils::FireAccEvent(nsIAccessibleEvent::EVENT_HIDE, childAccessible);
   }
 
   // Shutdown nsIAccessNode's or nsIAccessibles for any DOM nodes in this subtree
@@ -1539,21 +1536,6 @@ nsDocAccessible::GetAccessibleInParentChain(nsIDOMNode *aNode,
   return NS_OK;
 }
 
-NS_IMETHODIMP
-nsDocAccessible::FireToolkitEvent(PRUint32 aEvent, nsIAccessible *aTarget,
-                                  void * aData)
-{
-  // Don't fire event for accessible that has been shut down.
-  if (!mWeakShell)
-    return NS_ERROR_FAILURE;
-
-  nsCOMPtr<nsIAccessibleEvent> accEvent =
-    new nsAccEvent(aEvent, aTarget, aData);
-  NS_ENSURE_TRUE(accEvent, NS_ERROR_OUT_OF_MEMORY);
-
-  return FireAccessibleEvent(accEvent);
-}
-
 void nsDocAccessible::DocLoadCallback(nsITimer *aTimer, void *aClosure)
 {
   // Doc has finished loading, fire "load finished" event
diff --git a/accessible/src/base/nsDocAccessible.h b/accessible/src/base/nsDocAccessible.h
index 821875ee35c..ab82423a7c7 100644
--- a/accessible/src/base/nsDocAccessible.h
+++ b/accessible/src/base/nsDocAccessible.h
@@ -90,9 +90,6 @@ class nsDocAccessible : public nsHyperTextAccessibleWrap,
     // nsIDocumentObserver
     NS_DECL_NSIDOCUMENTOBSERVER
 
-    NS_IMETHOD FireToolkitEvent(PRUint32 aEvent, nsIAccessible* aAccessible,
-                                void* aData);
-
     static void FlushEventsCallback(nsITimer *aTimer, void *aClosure);
 
     // nsIAccessNode
diff --git a/accessible/src/base/nsRootAccessible.cpp b/accessible/src/base/nsRootAccessible.cpp
index c8692a3f835..75217c4837e 100644
--- a/accessible/src/base/nsRootAccessible.cpp
+++ b/accessible/src/base/nsRootAccessible.cpp
@@ -483,13 +483,13 @@ PRBool nsRootAccessible::FireAccessibleFocusEvent(nsIAccessible *aAccessible,
       PRUint32 naturalRole; // The natural role is the role that this type of element normally has
       finalFocusAccessible->GetRole(&naturalRole);
       if (role != naturalRole) { // Must be a DHTML menuitem
-         FireToolkitEvent(nsIAccessibleEvent::EVENT_MENU_START, this, nsnull);
+         nsAccUtils::FireAccEvent(nsIAccessibleEvent::EVENT_MENU_START, this);
          mIsInDHTMLMenu = nsIAccessibleRole::ROLE_MENUITEM;
       }
     }
   }
   else if (mIsInDHTMLMenu) {
-    FireToolkitEvent(nsIAccessibleEvent::EVENT_MENU_END, this, nsnull);
+    nsAccUtils::FireAccEvent(nsIAccessibleEvent::EVENT_MENU_END, this);
     mIsInDHTMLMenu = PR_FALSE;
   }
 
@@ -704,12 +704,12 @@ nsresult nsRootAccessible::HandleEventWithTarget(nsIDOMEvent* aEvent,
         // for each tree item. Perhaps each tree item will need to cache its
         // selection state and fire an event after a DOM "select" event when
         // that state changes. nsXULTreeAccessible::UpdateTreeSelection();
-        return privAcc->FireToolkitEvent(nsIAccessibleEvent::EVENT_SELECTION_WITHIN,
-                                         accessible, nsnull);
+        return nsAccUtils::FireAccEvent(nsIAccessibleEvent::EVENT_SELECTION_WITHIN,
+                                        accessible);
       }
 
-      return privAcc->FireToolkitEvent(nsIAccessibleEvent::EVENT_SELECTION,
-                                       treeItemAccessible, nsnull);
+      return nsAccUtils::FireAccEvent(nsIAccessibleEvent::EVENT_SELECTION,
+                                      treeItemAccessible);
     }
   }
   else
@@ -747,12 +747,10 @@ nsresult nsRootAccessible::HandleEventWithTarget(nsIDOMEvent* aEvent,
     FireAccessibleFocusEvent(accessible, focusedItem, aEvent);
   }
   else if (eventType.EqualsLiteral("NameChange")) {
-    privAcc->FireToolkitEvent(nsIAccessibleEvent::EVENT_NAME_CHANGE,
-                              accessible, nsnull);
+    nsAccUtils::FireAccEvent(nsIAccessibleEvent::EVENT_NAME_CHANGE, accessible);
   }
   else if (eventType.EqualsLiteral("AlertActive")) { 
-    privAcc->FireToolkitEvent(nsIAccessibleEvent::EVENT_ALERT, 
-                              accessible, nsnull);
+    nsAccUtils::FireAccEvent(nsIAccessibleEvent::EVENT_ALERT, accessible);
   }
   else if (eventType.EqualsLiteral("popupshown")) {
     // Don't fire menupopup events for combobox and autocomplete lists
@@ -769,7 +767,7 @@ nsresult nsRootAccessible::HandleEventWithTarget(nsIDOMEvent* aEvent,
       event = nsIAccessibleEvent::EVENT_SHOW;
     }
     if (event) {
-      privAcc->FireToolkitEvent(event, accessible, nsnull);
+      nsAccUtils::FireAccEvent(event, accessible);
     }
   }
 
@@ -796,8 +794,8 @@ nsresult nsRootAccessible::HandleEventWithTarget(nsIDOMEvent* aEvent,
   }
   else if (eventType.EqualsLiteral("DOMMenuInactive")) {
     if (Role(accessible) == nsIAccessibleRole::ROLE_MENUPOPUP) {
-      privAcc->FireToolkitEvent(nsIAccessibleEvent::EVENT_MENUPOPUP_END,
-                                accessible, nsnull);
+      nsAccUtils::FireAccEvent(nsIAccessibleEvent::EVENT_MENUPOPUP_END,
+                               accessible);
     }
   }
   else if (eventType.EqualsLiteral("DOMMenuItemActive")) {
@@ -828,17 +826,14 @@ nsresult nsRootAccessible::HandleEventWithTarget(nsIDOMEvent* aEvent,
     FireAccessibleFocusEvent(accessible, aTargetNode, aEvent, PR_TRUE);
   }
   else if (eventType.EqualsLiteral("DOMMenuBarActive")) {
-    privAcc->FireToolkitEvent(nsIAccessibleEvent::EVENT_MENU_START,
-                              accessible, nsnull);
+    nsAccUtils::FireAccEvent(nsIAccessibleEvent::EVENT_MENU_START, accessible);
   }
   else if (eventType.EqualsLiteral("DOMMenuBarInactive")) {
-    privAcc->FireToolkitEvent(nsIAccessibleEvent::EVENT_MENU_END,
-                              accessible, nsnull);
+    nsAccUtils::FireAccEvent(nsIAccessibleEvent::EVENT_MENU_END, accessible);
     FireCurrentFocusEvent();
   }
   else if (eventType.EqualsLiteral("ValueChange")) {
-    privAcc->FireToolkitEvent(nsIAccessibleEvent::EVENT_VALUE_CHANGE, 
-                              accessible, nsnull);
+    nsAccUtils::FireAccEvent(nsIAccessibleEvent::EVENT_VALUE_CHANGE, accessible);
   }
   return NS_OK;
 }
diff --git a/accessible/src/html/nsHTMLSelectAccessible.cpp b/accessible/src/html/nsHTMLSelectAccessible.cpp
index 3ec61311401..2912687b579 100644
--- a/accessible/src/html/nsHTMLSelectAccessible.cpp
+++ b/accessible/src/html/nsHTMLSelectAccessible.cpp
@@ -819,8 +819,9 @@ void nsHTMLSelectOptionAccessible::SelectionChangedIfOption(nsIContent *aPossibl
     return;
   }
 
-  privateMultiSelect->FireToolkitEvent(nsIAccessibleEvent::EVENT_SELECTION_WITHIN,
-                      multiSelect, nsnull);
+  nsAccUtils::FireAccEvent(nsIAccessibleEvent::EVENT_SELECTION_WITHIN,
+                           multiSelect);
+
   PRUint32 state = State(optionAccessible);
   PRUint32 eventType;
   if (state & nsIAccessibleStates::STATE_SELECTED) {
@@ -828,8 +829,9 @@ void nsHTMLSelectOptionAccessible::SelectionChangedIfOption(nsIContent *aPossibl
   }
   else {
     eventType = nsIAccessibleEvent::EVENT_SELECTION_REMOVE;
-  } 
-  privateMultiSelect->FireToolkitEvent(eventType, optionAccessible, nsnull);
+  }
+
+  nsAccUtils::FireAccEvent(eventType, optionAccessible);
 }
 
 nsIContent* nsHTMLSelectOptionAccessible::GetSelectState(PRUint32* aState,
diff --git a/accessible/src/mac/nsAccessibleWrap.h b/accessible/src/mac/nsAccessibleWrap.h
index 484ceaacdf0..f9eac9af8cd 100644
--- a/accessible/src/mac/nsAccessibleWrap.h
+++ b/accessible/src/mac/nsAccessibleWrap.h
@@ -76,7 +76,9 @@ class nsAccessibleWrap : public nsAccessible
     
     virtual nsresult Shutdown ();
     virtual nsresult InvalidateChildren ();
-    
+
+    NS_IMETHOD FireAccessibleEvent(nsIAccessibleEvent *aEvent);
+
     // we'll flatten buttons and checkboxes. usually they have a text node
     // child, that is their title. Works in conjunction with IsPruned() below.
     PRBool IsFlat() {
diff --git a/accessible/src/mac/nsAccessibleWrap.mm b/accessible/src/mac/nsAccessibleWrap.mm
index fbb7e4d1dee..855db24d110 100644
--- a/accessible/src/mac/nsAccessibleWrap.mm
+++ b/accessible/src/mac/nsAccessibleWrap.mm
@@ -154,6 +154,43 @@ nsAccessibleWrap::Shutdown ()
   return nsAccessible::Shutdown();
 }
 
+nsAccessibleWrap::FireAccessibleEvent(nsIAccessibleEvent *aEvent)
+{
+  NS_ENSURE_ARG_POINTER(aEvent);
+
+  nsresult rv = nsAccessible::FireAccessibleEvent(aEvent);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  PRUint32 eventType;
+  rv = aEvent->GetEventType(&eventType);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  // ignore everything but focus-changed and value-changed events for now.
+  if (eventType != nsIAccessibleEvent::EVENT_FOCUS &&
+      eventType != nsIAccessibleEvent::EVENT_VALUE_CHANGE)
+    return NS_OK;
+
+  nsCOMPtr<nsIAccessible> accessible;
+  rv = aEvent->GetAccessible(getter_AddRefs(accessible));
+  NS_ENSURE_STATE(accessible);
+
+  mozAccessible *nativeAcc = nil;
+  accessible->GetNativeInterface((void**)&nativeAcc);
+  if (!nativeAcc)
+    return NS_ERROR_FAILURE;
+
+  switch (eventType) {
+    case nsIAccessibleEvent::EVENT_FOCUS:
+      [nativeAcc didReceiveFocus];
+      break;
+    case nsIAccessibleEvent::EVENT_VALUE_CHANGE:
+      [nativeAcc valueDidChange];
+      break;
+  }
+
+  return NS_OK;
+}
+
 nsresult
 nsAccessibleWrap::InvalidateChildren ()
 {
diff --git a/accessible/src/mac/nsDocAccessibleWrap.h b/accessible/src/mac/nsDocAccessibleWrap.h
index a7dccd0fab1..abfb28be8b0 100644
--- a/accessible/src/mac/nsDocAccessibleWrap.h
+++ b/accessible/src/mac/nsDocAccessibleWrap.h
@@ -41,17 +41,7 @@
 
 #include "nsDocAccessible.h"
 
-struct objc_class;
-
-class nsDocAccessibleWrap: public nsDocAccessible
-{
-  public:
-    nsDocAccessibleWrap(nsIDOMNode *aNode, nsIWeakReference *aShell);
-    virtual ~nsDocAccessibleWrap();
-    
-    NS_IMETHOD FireToolkitEvent(PRUint32 aEvent, nsIAccessible* aAccessible, 
-                                void* aData);
-};
+typedef nsDocAccessible nsDocAccessibleWrap;
 
 #endif
 
diff --git a/accessible/src/msaa/nsDocAccessibleWrap.cpp b/accessible/src/msaa/nsDocAccessibleWrap.cpp
index bfb01774d54..dd4bb57df65 100644
--- a/accessible/src/msaa/nsDocAccessibleWrap.cpp
+++ b/accessible/src/msaa/nsDocAccessibleWrap.cpp
@@ -194,11 +194,9 @@ NS_IMETHODIMP nsDocAccessibleWrap::FireAnchorJumpEvent()
   }
 
   nsCOMPtr<nsIAccessible> accessible = GetFirstAvailableAccessible(focusNode, PR_TRUE);
-  nsCOMPtr<nsPIAccessible> privateAccessible = do_QueryInterface(accessible);
-  if (privateAccessible) {
-    privateAccessible->FireToolkitEvent(nsIAccessibleEvent::EVENT_SCROLLING_START,
-                                        accessible, nsnull);
-  }
+  nsAccUtils::FireAccEvent(nsIAccessibleEvent::EVENT_SCROLLING_START,
+                           accessible);
+
   return NS_OK;
 }
 
diff --git a/accessible/src/other/nsDocAccessibleWrap.h b/accessible/src/other/nsDocAccessibleWrap.h
index 6209656d81e..804570203da 100755
--- a/accessible/src/other/nsDocAccessibleWrap.h
+++ b/accessible/src/other/nsDocAccessibleWrap.h
@@ -45,12 +45,6 @@
 
 #include "nsDocAccessible.h"
 
-class nsDocAccessibleWrap: public nsDocAccessible
-{
-public:
-    nsDocAccessibleWrap(nsIDOMNode *aNode, nsIWeakReference *aShell);
-    virtual ~nsDocAccessibleWrap();
-    NS_IMETHOD FireToolkitEvent(PRUint32 aEvent, nsIAccessible* aAccessible, void* aData);
-};
+typedef nsDocAccessible nsDocAccessibleWrap;
 
 #endif