Trigger page view event when re-layout is finished

xfa/src/fxfa/src/app/xfa_ffdocview.cpp

Index: xfa/src/fxfa/src/app/xfa_ffdocview.cpp
diff --git a/xfa/src/fxfa/src/app/xfa_ffdocview.cpp b/xfa/src/fxfa/src/app/xfa_ffdocview.cpp
index 05b78ecca496a35b67e4a74bc1a1072517a2adcb..7d64e369644a8cb3d91d6aceaf1c5f2b7a9147b7 100644
--- a/xfa/src/fxfa/src/app/xfa_ffdocview.cpp
+++ b/xfa/src/fxfa/src/app/xfa_ffdocview.cpp
@@ -599,9 +599,13 @@ FX_BOOL CXFA_FFDocView::RunLayout() {
     m_pXFADocLayout->DoLayout();
     UnlockUpdate();
     m_bInLayoutStatus = FALSE;
+    m_pDoc->GetDocProvider()->PageViewEvent(nullptr,
+                                            XFA_PAGEVIEWEVENT_StopLayout);
     return TRUE;
   }
   m_bInLayoutStatus = FALSE;
+  m_pDoc->GetDocProvider()->PageViewEvent(nullptr,
+                                          XFA_PAGEVIEWEVENT_StopLayout);
   UnlockUpdate();
   return FALSE;
 }