Convert CPDFXFA_Document to use CPDFSDK_FormFillEnvironment

fpdfsdk/fpdfformfill.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 "public/fpdf_formfill.h"
 
 #include <memory>
 #include <vector>
@@ skipping 235 matching lines @@
     return nullptr;
 
   UnderlyingDocumentType* pDocument = UnderlyingFromFPDFDocument(document);
   if (!pDocument)
     return nullptr;
 
 #ifdef PDF_ENABLE_XFA
   // If the CPDFXFA_Document has a SDKDocument already then we've done this
   // and can just return the old Env. Otherwise, we'll end up setting a new
   // SDKDocument into the XFADocument and, that could get weird.
-  if (pDocument->GetSDKDoc())
-    return pDocument->GetSDKDoc()->GetEnv();
+  if (pDocument->GetFormFillEnv())
+    return pDocument->GetFormFillEnv();
 #endif
 
   CPDFSDK_FormFillEnvironment* pFormFillEnv =
       new CPDFSDK_FormFillEnvironment(pDocument, formInfo);
 
 #ifdef PDF_ENABLE_XFA
-  pDocument->SetSDKDoc(pFormFillEnv->GetSDKDocument());
+  pDocument->SetFormFillEnv(pFormFillEnv);
   CPDFXFA_App::GetInstance()->AddFormFillEnv(pFormFillEnv);
 #endif  // PDF_ENABLE_XFA
 
   return pFormFillEnv;
 }
 
 DLLEXPORT void STDCALL
 FPDFDOC_ExitFormFillEnvironment(FPDF_FORMHANDLE hHandle) {
   if (!hHandle)
     return;
 
   CPDFSDK_FormFillEnvironment* pFormFillEnv =
       HandleToCPDFSDKEnvironment(hHandle);
 
 #ifdef PDF_ENABLE_XFA
   CPDFXFA_App::GetInstance()->RemoveFormFillEnv(pFormFillEnv);
 
   // Reset the focused annotations and remove the SDK document from the
   // XFA document.
   pFormFillEnv->GetSDKDocument()->ClearAllFocusedAnnots();
   // If the document was closed first, it's possible the XFA document
   // is now a nullptr.
   if (pFormFillEnv->GetSDKDocument()->GetXFADocument())
-    pFormFillEnv->GetSDKDocument()->GetXFADocument()->SetSDKDoc(nullptr);
+    pFormFillEnv->GetSDKDocument()->GetXFADocument()->SetFormFillEnv(nullptr);
 #endif  // PDF_ENABLE_XFA
 
   delete pFormFillEnv;
 }
 
 DLLEXPORT FPDF_BOOL STDCALL FORM_OnMouseMove(FPDF_FORMHANDLE hHandle,
                                              FPDF_PAGE page,
                                              int modifier,
                                              double page_x,
                                              double page_y) {
@@ skipping 450 matching lines @@
                                     pFormFillEnv);
     }
   } else {
     if (aa.ActionExist(CPDF_AAction::ClosePage)) {
       CPDF_Action action = aa.GetAction(CPDF_AAction::ClosePage);
       pActionHandler->DoAction_Page(action, CPDF_AAction::ClosePage,
                                     pFormFillEnv);
     }
   }
 }