Introduce "underlying types" to abstract XFA differences.

fpdfsdk/src/javascript/Document.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 "Document.h"
 
 #include "Field.h"
 #include "Icon.h"
@@ skipping 518 matching lines @@
   for (CPDFSDK_Widget* pWidget : widgets) {
     CPDF_Rect rcAnnot = pWidget->GetRect();
     --rcAnnot.left;
     --rcAnnot.bottom;
     ++rcAnnot.right;
     ++rcAnnot.top;
 
     CFX_RectArray aRefresh;
     aRefresh.Add(rcAnnot);
 
-    CPDFXFA_Page* pPage = pWidget->GetPDFXFAPage();
+    UnderlyingPageType* pPage = pWidget->GetUnderlyingPage();
     ASSERT(pPage);
 
     CPDFSDK_PageView* pPageView = m_pDocument->GetPageView(pPage);
     pPageView->DeleteAnnot(pWidget);
     pPageView->UpdateRects(aRefresh);
   }
   m_pDocument->SetChangeMark();
 
   return TRUE;
 }
@@ skipping 222 matching lines @@
   pEnv->JS_docmailForm(NULL, 0, bUI, cTo.c_str(), cSubject.c_str(), cCc.c_str(),
                        cBcc.c_str(), cMsg.c_str());
   pRuntime->EndBlock();
 
   return TRUE;
 }
 
 FX_BOOL Document::author(IJS_Context* cc,
                          CJS_PropValue& vp,
                          CFX_WideString& sError) {
-  CPDF_Dictionary* pDictionary =
-      m_pDocument->GetDocument()->GetPDFDoc()->GetInfo();
+  CPDF_Dictionary* pDictionary = m_pDocument->GetPDFDocument()->GetInfo();
   if (!pDictionary)
     return FALSE;
 
   if (vp.IsGetting()) {
     vp << pDictionary->GetUnicodeText("Author");
     return TRUE;
   } else {
     if (!m_pDocument->GetPermissions(FPDFPERM_MODIFY))
       return FALSE;
 
     CFX_WideString csAuthor;
     vp >> csAuthor;
     pDictionary->SetAtString("Author", PDF_EncodeText(csAuthor));
     m_pDocument->SetChangeMark();
     return TRUE;
   }
 }
 
 FX_BOOL Document::info(IJS_Context* cc,
                        CJS_PropValue& vp,
                        CFX_WideString& sError) {
-  CPDF_Dictionary* pDictionary =
-      m_pDocument->GetDocument()->GetPDFDoc()->GetInfo();
+  CPDF_Dictionary* pDictionary = m_pDocument->GetPDFDocument()->GetInfo();
   if (!pDictionary)
     return FALSE;
 
   CFX_WideString cwAuthor = pDictionary->GetUnicodeText("Author");
   CFX_WideString cwTitle = pDictionary->GetUnicodeText("Title");
   CFX_WideString cwSubject = pDictionary->GetUnicodeText("Subject");
   CFX_WideString cwKeywords = pDictionary->GetUnicodeText("Keywords");
   CFX_WideString cwCreator = pDictionary->GetUnicodeText("Creator");
   CFX_WideString cwProducer = pDictionary->GetUnicodeText("Producer");
   CFX_WideString cwCreationDate = pDictionary->GetUnicodeText("CreationDate");
@@ skipping 36 matching lines @@
       }
     }
     vp << pObj;
   }
   return TRUE;
 }
 
 FX_BOOL Document::creationDate(IJS_Context* cc,
                                CJS_PropValue& vp,
                                CFX_WideString& sError) {
-  CPDF_Dictionary* pDictionary =
-      m_pDocument->GetDocument()->GetPDFDoc()->GetInfo();
+  CPDF_Dictionary* pDictionary = m_pDocument->GetPDFDocument()->GetInfo();
   if (!pDictionary)
     return FALSE;
 
   if (vp.IsGetting()) {
     vp << pDictionary->GetUnicodeText("CreationDate");
   } else {
     if (!m_pDocument->GetPermissions(FPDFPERM_MODIFY))
       return FALSE;
 
     CFX_WideString csCreationDate;
     vp >> csCreationDate;
     pDictionary->SetAtString("CreationDate", PDF_EncodeText(csCreationDate));
     m_pDocument->SetChangeMark();
   }
   return TRUE;
 }
 
 FX_BOOL Document::creator(IJS_Context* cc,
                           CJS_PropValue& vp,
                           CFX_WideString& sError) {
-  CPDF_Dictionary* pDictionary =
-      m_pDocument->GetDocument()->GetPDFDoc()->GetInfo();
+  CPDF_Dictionary* pDictionary = m_pDocument->GetPDFDocument()->GetInfo();
   if (!pDictionary)
     return FALSE;
 
   if (vp.IsGetting()) {
     vp << pDictionary->GetUnicodeText("Creator");
   } else {
     if (!m_pDocument->GetPermissions(FPDFPERM_MODIFY))
       return FALSE;
 
     CFX_WideString csCreator;
@@ skipping 35 matching lines @@
         delete pData;
       }
     }
   }
   return TRUE;
 }
 
 FX_BOOL Document::keywords(IJS_Context* cc,
                            CJS_PropValue& vp,
                            CFX_WideString& sError) {
-  CPDF_Dictionary* pDictionary =
-      m_pDocument->GetDocument()->GetPDFDoc()->GetInfo();
+  CPDF_Dictionary* pDictionary = m_pDocument->GetPDFDocument()->GetInfo();
   if (!pDictionary)
     return FALSE;
 
   if (vp.IsGetting()) {
     vp << pDictionary->GetUnicodeText("Keywords");
   } else {
     if (!m_pDocument->GetPermissions(FPDFPERM_MODIFY))
       return FALSE;
 
     CFX_WideString csKeywords;
     vp >> csKeywords;
     pDictionary->SetAtString("Keywords", PDF_EncodeText(csKeywords));
     m_pDocument->SetChangeMark();
   }
   return TRUE;
 }
 
 FX_BOOL Document::modDate(IJS_Context* cc,
                           CJS_PropValue& vp,
                           CFX_WideString& sError) {
-  CPDF_Dictionary* pDictionary =
-      m_pDocument->GetDocument()->GetPDFDoc()->GetInfo();
+  CPDF_Dictionary* pDictionary = m_pDocument->GetPDFDocument()->GetInfo();
   if (!pDictionary)
     return FALSE;
 
   if (vp.IsGetting()) {
     vp << pDictionary->GetUnicodeText("ModDate");
   } else {
     if (!m_pDocument->GetPermissions(FPDFPERM_MODIFY))
       return FALSE;
 
     CFX_WideString csmodDate;
     vp >> csmodDate;
     pDictionary->SetAtString("ModDate", PDF_EncodeText(csmodDate));
     m_pDocument->SetChangeMark();
   }
   return TRUE;
 }
 
 FX_BOOL Document::producer(IJS_Context* cc,
                            CJS_PropValue& vp,
                            CFX_WideString& sError) {
-  CPDF_Dictionary* pDictionary =
-      m_pDocument->GetDocument()->GetPDFDoc()->GetInfo();
+  CPDF_Dictionary* pDictionary = m_pDocument->GetPDFDocument()->GetInfo();
   if (!pDictionary)
     return FALSE;
 
   if (vp.IsGetting()) {
     vp << pDictionary->GetUnicodeText("Producer");
   } else {
     if (!m_pDocument->GetPermissions(FPDFPERM_MODIFY))
       return FALSE;
 
     CFX_WideString csproducer;
     vp >> csproducer;
     pDictionary->SetAtString("Producer", PDF_EncodeText(csproducer));
     m_pDocument->SetChangeMark();
   }
   return TRUE;
 }
 
 FX_BOOL Document::subject(IJS_Context* cc,
                           CJS_PropValue& vp,
                           CFX_WideString& sError) {
-  CPDF_Dictionary* pDictionary =
-      m_pDocument->GetDocument()->GetPDFDoc()->GetInfo();
+  CPDF_Dictionary* pDictionary = m_pDocument->GetPDFDocument()->GetInfo();
   if (!pDictionary)
     return FALSE;
 
   if (vp.IsGetting()) {
     vp << pDictionary->GetUnicodeText("Subject");
   } else {
     if (!m_pDocument->GetPermissions(FPDFPERM_MODIFY))
       return FALSE;
 
     CFX_WideString cssubject;
     vp >> cssubject;
     pDictionary->SetAtString("Subject", PDF_EncodeText(cssubject));
     m_pDocument->SetChangeMark();
   }
   return TRUE;
 }
 
 FX_BOOL Document::title(IJS_Context* cc,
                         CJS_PropValue& vp,
                         CFX_WideString& sError) {
-  if (m_pDocument == NULL || m_pDocument->GetDocument() == NULL)
+  if (!m_pDocument || !m_pDocument->GetUnderlyingDocument())
     return FALSE;
 
-  CPDF_Dictionary* pDictionary =
-      m_pDocument->GetDocument()->GetPDFDoc()->GetInfo();
+  CPDF_Dictionary* pDictionary = m_pDocument->GetPDFDocument()->GetInfo();
   if (!pDictionary)
     return FALSE;
 
   if (vp.IsGetting()) {
     vp << pDictionary->GetUnicodeText("Title");
   } else {
     if (!m_pDocument->GetPermissions(FPDFPERM_MODIFY))
       return FALSE;
 
     CFX_WideString cstitle;
@@ skipping 469 matching lines @@
                                  CFX_WideString& sError) {
   ASSERT(m_pDocument != NULL);
 
   if (!m_pDocument->GetPermissions(FPDFPERM_EXTRACT_ACCESS))
     return FALSE;
 
   int nPageNo = params.size() > 0 ? params[0].ToInt() : 0;
   int nWordNo = params.size() > 1 ? params[1].ToInt() : 0;
   bool bStrip = params.size() > 2 ? params[2].ToBool() : true;
 
-  CPDF_Document* pDocument = m_pDocument->GetDocument()->GetPDFDoc();
+  CPDF_Document* pDocument = m_pDocument->GetPDFDocument();
   if (!pDocument)
     return FALSE;
 
   CJS_Context* pContext = static_cast<CJS_Context*>(cc);
   if (nPageNo < 0 || nPageNo >= pDocument->GetPageCount()) {
     sError = JSGetStringFromID(pContext, IDS_STRING_JSVALUEERROR);
     return FALSE;
   }
 
   CPDF_Dictionary* pPageDict = pDocument->GetPage(nPageNo);
@@ skipping 51 matching lines @@
                                   const std::vector<CJS_Value>& params,
                                   CJS_Value& vRet,
                                   CFX_WideString& sError) {
   ASSERT(m_pDocument != NULL);
 
   if (!m_pDocument->GetPermissions(FPDFPERM_EXTRACT_ACCESS))
     return FALSE;
 
   int nPageNo = params.size() > 0 ? params[0].ToInt() : 0;
 
-  CPDF_Document* pDocument = m_pDocument->GetDocument()->GetPDFDoc();
+  CPDF_Document* pDocument = m_pDocument->GetPDFDocument();
   ASSERT(pDocument != NULL);
 
   CJS_Context* pContext = static_cast<CJS_Context*>(cc);
   if (nPageNo < 0 || nPageNo >= pDocument->GetPageCount()) {
     sError = JSGetStringFromID(pContext, IDS_STRING_JSVALUEERROR);
     return FALSE;
   }
 
   CPDF_Dictionary* pPageDict = pDocument->GetPage(nPageNo);
   if (!pPageDict)
@@ skipping 214 matching lines @@
   CFX_DWordArray DelArray;
 
   for (int j = DelArray.GetSize() - 1; j >= 0; j--) {
     m_DelayData.RemoveAt(DelArray[j]);
   }
 }
 
 CJS_Document* Document::GetCJSDoc() const {
   return static_cast<CJS_Document*>(m_pJSObject);
 }