Simplify XFA event handling.

xfa/fxfa/app/xfa_ffdocview.cpp

 // Copyright 2014 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/include/xfa_ffdocview.h"
 
 #include "core/fxcrt/include/fx_ext.h"
 #include "xfa/fxfa/app/xfa_ffbarcode.h"
@@ skipping 197 matching lines @@
 
 CXFA_LayoutProcessor* CXFA_FFDocView::GetXFALayout() const {
   return m_pDoc->GetXFADoc()->GetDocLayout();
 }
 FX_BOOL CXFA_FFDocView::ResetSingleWidgetAccData(CXFA_WidgetAcc* pWidgetAcc) {
   CXFA_Node* pNode = pWidgetAcc->GetNode();
   XFA_ELEMENT eType = pNode->GetClassID();
   if (eType != XFA_ELEMENT_Field && eType != XFA_ELEMENT_ExclGroup) {
     return FALSE;
   }
-  FX_BOOL bNotify = IsStaticNotify();
   pWidgetAcc->ResetData();
   pWidgetAcc->UpdateUIDisplay();
-  if (bNotify) {
-    pWidgetAcc->NotifyEvent(XFA_WIDGETEVENT_PostContentChanged, NULL, NULL,
-                            NULL);
-  }
   if (CXFA_Validate validate = pWidgetAcc->GetValidate()) {
     AddValidateWidget(pWidgetAcc);
-    validate.GetNode()->SetFlag(XFA_NODEFLAG_NeedsInitApp, TRUE, FALSE);
+    validate.GetNode()->SetFlag(XFA_NODEFLAG_NeedsInitApp, false);
   }
   return TRUE;
 }
 void CXFA_FFDocView::ResetWidgetData(CXFA_WidgetAcc* pWidgetAcc) {
   m_bLayoutEvent = TRUE;
   FX_BOOL bChanged = FALSE;
   CXFA_Node* pFormNode = NULL;
   if (pWidgetAcc) {
     bChanged = ResetSingleWidgetAccData(pWidgetAcc);
     pFormNode = pWidgetAcc->GetNode();
@@ skipping 287 matching lines @@
   if (resoveNodeRS.dwFlags == XFA_RESOVENODE_RSTYPE_Nodes) {
     CXFA_Node* pNode = resoveNodeRS.nodes[0]->AsNode();
     if (pNode) {
       return (CXFA_WidgetAcc*)pNode->GetWidgetData();
     }
   }
   return NULL;
 }
 
 void CXFA_FFDocView::OnPageEvent(CXFA_ContainerLayoutItem* pSender,
-                                 XFA_PAGEEVENT eEvent,
-                                 int32_t iPageIndex) {
+                                 uint32_t dwEvent) {
   CXFA_FFPageView* pFFPageView = static_cast<CXFA_FFPageView*>(pSender);
-  if (eEvent == XFA_PAGEEVENT_PageRemoved) {
-    m_pDoc->GetDocProvider()->PageViewEvent(pFFPageView,
-                                            XFA_PAGEVIEWEVENT_PostRemoved);
-    return;
-  }
-  m_pDoc->GetDocProvider()->PageViewEvent(pFFPageView,
-                                          XFA_PAGEVIEWEVENT_PostAdded);
+  m_pDoc->GetDocProvider()->PageViewEvent(pFFPageView, dwEvent);
 }
 
 void CXFA_FFDocView::LockUpdate() {
   m_iLock++;
 }
 void CXFA_FFDocView::UnlockUpdate() {
   m_iLock--;
 }
 FX_BOOL CXFA_FFDocView::IsUpdateLocked() {
   return m_iLock;
@@ skipping 363 matching lines @@
 CXFA_WidgetAcc* CXFA_WidgetAccIterator::GetCurrentWidgetAcc() {
   return NULL;
 }
 FX_BOOL CXFA_WidgetAccIterator::SetCurrentWidgetAcc(CXFA_WidgetAcc* hWidget) {
   return FALSE;
 }
 void CXFA_WidgetAccIterator::SkipTree() {
   m_ContentIterator.SkipChildrenAndMoveToNext();
   m_pCurWidgetAcc = NULL;
 }