Make CPDFXFA_App / IXFA_AppProvider saner

fpdfsdk/src/fpdfeditpage.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_edit.h"
 #include "../../public/fpdf_formfill.h"
 #include "../include/fsdk_define.h"
 #include "../include/fpdfxfa/fpdfxfa_doc.h"
@@ skipping 21 matching lines @@
                 if ( -1 != time( &currentTime ) )
                 {
                         tm * pTM = localtime( &currentTime );
                         if ( pTM )
                         {
                                 DateStr.Format( "D:%04d%02d%02d%02d%02d%02d", pTM->tm_year+1900, pTM->tm_mon+1,
                                         pTM->tm_mday, pTM->tm_hour, pTM->tm_min, pTM->tm_sec );
                         }
                 }
         }
-        
+
         CPDF_Dictionary* pInfoDict = NULL;
         pInfoDict = pDoc->GetInfo();
         if (pInfoDict)
         {
                 if(FSDK_IsSandBoxPolicyEnabled(FPDF_POLICY_MACHINETIME_ACCESS))
                         pInfoDict->SetAt("CreationDate", new CPDF_String(DateStr));
                 pInfoDict->SetAt("Creator",FX_NEW CPDF_String(L"PDFium"));
         }
 
-        CPDFXFA_App* pApp = FPDFXFA_GetApp();
+        CPDFXFA_App* pApp = CPDFXFA_App::GetInstance();
         CPDFXFA_Document* document = FX_NEW CPDFXFA_Document(pDoc, pApp);
-
         return document;
 }
 
 DLLEXPORT void STDCALL FPDFPage_Delete(FPDF_DOCUMENT document, int page_index)
 {
         CPDF_Document* pDoc = ((CPDFXFA_Document*)document)->GetPDFDoc();
         if (pDoc == NULL) 
                 return;
         if (page_index < 0 || page_index >= pDoc->GetPageCount()) 
                 return;
@@ skipping 266 matching lines @@
         if (!pPage || !pPage->m_pFormDict || !pPage->m_pFormDict->KeyExist("Type") || !pPage->m_pFormDict->GetElement("Type")->GetDirect()
                 || pPage->m_pFormDict->GetElement("Type")->GetDirect()->GetString().Compare("Page"))
         {
                 return;
         }
         CPDF_Dictionary* pDict = pPage->m_pFormDict;
         rotate %=4;
 
         pDict->SetAt("Rotate", FX_NEW CPDF_Number(rotate * 90));
 }