Simplify XFA event handling.

xfa/fxfa/parser/cxfa_widgetdata.cpp

 // Copyright 2016 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "xfa/fxfa/parser/cxfa_widgetdata.h"
 
 #include "core/fxcrt/include/fx_ext.h"
 #include "xfa/fxbarcode/include/BC_Library.h"
@@ skipping 909 matching lines @@
       InsertListTextItem(pSaveItems, wsOldValue.AsStringC(), i);
       i++;
       pListNode = pListNode->GetNodeItem(XFA_NODEITEM_NextSibling);
     }
     InsertListTextItem(pNode, wsLabel.AsStringC(), nIndex);
     InsertListTextItem(pSaveItems, wsNewValue.AsStringC(), nIndex);
   }
   if (!bNotify)
     return;
 
-  m_pNode->GetDocument()->GetNotify()->OnWidgetDataEvent(
-      this, XFA_WIDGETEVENT_ListItemAdded, (void*)wsLabel.c_str(),
-      (void*)wsValue.c_str(), (void*)(uintptr_t)nIndex);
+  m_pNode->GetDocument()->GetNotify()->OnWidgetListItemAdded(
+      this, wsLabel.c_str(), wsValue.c_str(), nIndex);
 }
 
 void CXFA_WidgetData::GetItemLabel(const CFX_WideStringC& wsValue,
                                    CFX_WideString& wsLabel) {
   int32_t iCount = 0;
   CXFA_NodeArray listitems;
   CXFA_Node* pItems = m_pNode->GetNodeItem(XFA_NODEITEM_FirstChild);
   for (; pItems; pItems = pItems->GetNodeItem(XFA_NODEITEM_NextSibling)) {
     if (pItems->GetClassID() != XFA_ELEMENT_Items)
       continue;
@@ skipping 103 matching lines @@
       while (pNode) {
         if (i == nIndex) {
           pItems->RemoveChild(pNode);
           break;
         }
         i++;
         pNode = pNode->GetNodeItem(XFA_NODEITEM_NextSibling);
       }
     }
   }
-  if (!bNotify)
-    return TRUE;
-
-  m_pNode->GetDocument()->GetNotify()->OnWidgetDataEvent(
-      this, XFA_WIDGETEVENT_ListItemRemoved, (void*)(uintptr_t)nIndex);
+  if (bNotify)
+    m_pNode->GetDocument()->GetNotify()->OnWidgetListItemRemoved(this, nIndex);
   return TRUE;
 }
 
 int32_t CXFA_WidgetData::GetHorizontalScrollPolicy() {
   CXFA_Node* pUIChild = GetUIChild();
   if (pUIChild)
     return pUIChild->GetEnum(XFA_ATTRIBUTE_HScrollPolicy);
   return XFA_ATTRIBUTEENUM_Auto;
 }
 
@@ skipping 717 matching lines @@
         }
       }
     } else if (wc == L'.') {
       iTread_ = 0;
       iLead = -1;
     }
     wsRet += wc;
   }
   return wsRet;
 }