Commit 0a0a25f9 authored by Evan.Yan@Sun.COM's avatar Evan.Yan@Sun.COM
Browse files

bug 386161 - no focus event when arrowing down in xul tree table 

r=surkov.alexander
parent b3af247d

accessible/src/base/nsAccessibleEventData.cpp

+35 −0
Original line number Diff line number Diff line
@@ -40,6 +40,10 @@ 
#include "nsIAccessibilityService.h"

#include "nsIAccessNode.h"

#include "nsIServiceManager.h"

#ifdef MOZ_XUL

#include "nsIDOMXULMultSelectCntrlEl.h"

#include "nsXULTreeAccessible.h"

#endif



NS_IMPL_ISUPPORTS1(nsAccEvent, nsIAccessibleEvent)
@@ -125,6 +129,37 @@ nsAccEvent::GetAccessibleByNode() 


  nsIAccessible *accessible = nsnull;

  accService->GetAccessibleFor(mDOMNode, &accessible);

#ifdef MOZ_XUL

  // hack for xul tree table. We need a better way for firing delayed event

  // against xul tree table. see bug 386821.

  // There will be problem if some day we want to fire delayed event against

  // the xul tree itself or an unselected treeitem.

  nsAutoString localName;

  mDOMNode->GetLocalName(localName);

  if (localName.EqualsLiteral("tree")) {

    nsCOMPtr<nsIDOMXULMultiSelectControlElement> multiSelect =

      do_QueryInterface(mDOMNode);

    if (multiSelect) {

      PRInt32 treeIndex = -1;

      multiSelect->GetCurrentIndex(&treeIndex);

      if (treeIndex >= 0) {

        nsCOMPtr<nsIAccessibleTreeCache> treeCache(do_QueryInterface(accessible));

        NS_IF_RELEASE(accessible);

        nsCOMPtr<nsIAccessible> treeItemAccessible;

        if (!treeCache ||

            NS_FAILED(treeCache->GetCachedTreeitemAccessible(

                      treeIndex,

                      nsnull,

                      getter_AddRefs(treeItemAccessible))) ||

                      !treeItemAccessible) {

          return nsnull;

        }

        NS_IF_ADDREF(accessible = treeItemAccessible);

      }

    }

  }

#endif



  return accessible;

}