Trigger page view event when re-layout is finished

fpdfsdk/src/fsdk_mgr.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 <algorithm>
 #include <memory>
 
 #include "fpdfsdk/include/fsdk_mgr.h"
@@ skipping 836 matching lines @@
 
 FX_BOOL CPDFSDK_PageView::DeleteAnnot(CPDFSDK_Annot* pAnnot) {
 #ifdef PDF_ENABLE_XFA
   if (!pAnnot)
     return FALSE;
   CPDFXFA_Page* pPage = pAnnot->GetPDFXFAPage();
   if (!pPage || (pPage->GetDocument()->GetDocType() != DOCTYPE_STATIC_XFA &&
                  pPage->GetDocument()->GetDocType() != DOCTYPE_DYNAMIC_XFA))
     return FALSE;
 
+  if (GetFocusAnnot() == pAnnot)
+    KillFocusAnnot();
+  CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
+  CPDFSDK_AnnotHandlerMgr* pAnnotHandler = pEnv->GetAnnotHandlerMgr();
+  if (pAnnotHandler)
+    pAnnotHandler->ReleaseAnnot(pAnnot);
+
   auto it = std::find(m_fxAnnotArray.begin(), m_fxAnnotArray.end(), pAnnot);
   if (it != m_fxAnnotArray.end())
     m_fxAnnotArray.erase(it);
   if (m_CaptureWidget == pAnnot)
     m_CaptureWidget = nullptr;
 
   return TRUE;
 #else   // PDF_ENABLE_XFA
   return FALSE;
 #endif  // PDF_ENABLE_XFA
@@ skipping 322 matching lines @@
   CPDFSDK_Annot* pFocusAnnot = m_pSDKDoc->GetFocusAnnot();
   if (!pFocusAnnot)
     return nullptr;
 
   for (CPDFSDK_Annot* pAnnot : m_fxAnnotArray) {
     if (pAnnot == pFocusAnnot)
       return pAnnot;
   }
   return nullptr;
 }