Introduce "underlying types" to abstract XFA differences.

fpdfsdk/include/fsdk_mgr.h

 // 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
 
 #ifndef FPDFSDK_INCLUDE_FSDK_MGR_H_
 #define FPDFSDK_INCLUDE_FSDK_MGR_H_
 
 #include <map>
@@ skipping 17 matching lines @@
 class CPDFSDK_ActionHandler;
 class CPDFSDK_Annot;
 class CPDFSDK_Document;
 class CPDFSDK_InterForm;
 class CPDFSDK_PageView;
 class CPDFSDK_Widget;
 class IFX_SystemHandler;
 
 class CPDFDoc_Environment final {
  public:
-  CPDFDoc_Environment(CPDFXFA_Document* pDoc, FPDF_FORMFILLINFO* pFFinfo);
+  CPDFDoc_Environment(UnderlyingDocumentType* pDoc, FPDF_FORMFILLINFO* pFFinfo);
   ~CPDFDoc_Environment();
 
   void Release() {
     if (m_pInfo && m_pInfo->Release)
       m_pInfo->Release(m_pInfo);
     delete this;
   }
 
   void FFI_Invalidate(FPDF_PAGE page,
                       double left,
@@ skipping 393 matching lines @@
           bsRet.GetLength() / sizeof(unsigned short));
       delete[] pbuff;
       return wsRet;
     }
     return L"";
   }
 
   FX_BOOL IsJSInitiated() const { return m_pInfo && m_pInfo->m_pJsPlatform; }
   void SetSDKDocument(CPDFSDK_Document* pFXDoc) { m_pSDKDoc = pFXDoc; }
   CPDFSDK_Document* GetSDKDocument() const { return m_pSDKDoc; }
-  CPDFXFA_Document* GetPDFXFADocument() const { return m_pXFADoc; }
+  UnderlyingDocumentType* GetUnderlyingDocument() const {
+    return m_pUnderlyingDoc;
+  }
   CFX_ByteString GetAppName() const { return ""; }
   IFX_SystemHandler* GetSysHandler() const { return m_pSysHandler.get(); }
   FPDF_FORMFILLINFO* GetFormFillInfo() const { return m_pInfo; }
 
   CFFL_IFormFiller* GetIFormFiller();             // Creates if not present.
   CPDFSDK_AnnotHandlerMgr* GetAnnotHandlerMgr();  // Creates if not present.
   IJS_Runtime* GetJSRuntime();                    // Creates if not present.
   CPDFSDK_ActionHandler* GetActionHander();       // Creates if not present.
 
  private:
   nonstd::unique_ptr<CPDFSDK_AnnotHandlerMgr> m_pAnnotHandlerMgr;
   nonstd::unique_ptr<CPDFSDK_ActionHandler> m_pActionHandler;
   nonstd::unique_ptr<IJS_Runtime> m_pJSRuntime;
   FPDF_FORMFILLINFO* const m_pInfo;
   CPDFSDK_Document* m_pSDKDoc;
-  CPDFXFA_Document* const m_pXFADoc;
+  UnderlyingDocumentType* const m_pUnderlyingDoc;
   nonstd::unique_ptr<CFFL_IFormFiller> m_pIFormFiller;
   nonstd::unique_ptr<IFX_SystemHandler> m_pSysHandler;
 };
 
 class CPDFSDK_Document {
  public:
-  CPDFSDK_Document(CPDFXFA_Document* pDoc, CPDFDoc_Environment* pEnv);
+  CPDFSDK_Document(UnderlyingDocumentType* pDoc, CPDFDoc_Environment* pEnv);
   ~CPDFSDK_Document();
 
   CPDFSDK_InterForm* GetInterForm();
-  CPDFXFA_Document* GetDocument() const { return m_pDoc; }
+
+  UnderlyingDocumentType* GetUnderlyingDocument() const {
+    return GetXFADocument();
+  }
   CPDF_Document* GetPDFDocument() const {
     return m_pDoc ? m_pDoc->GetPDFDoc() : nullptr;
   }
+  CPDFXFA_Document* GetXFADocument() const { return m_pDoc; }
 
   int GetPageViewCount() const { return m_pageMap.size(); }
-  CPDFSDK_PageView* GetPageView(CPDFXFA_Page* pPDFXFAPage,
+  CPDFSDK_PageView* GetPageView(UnderlyingPageType* pPDFXFAPage,
                                 FX_BOOL ReNew = TRUE);
   CPDFSDK_PageView* GetPageView(int nIndex);
   CPDFSDK_PageView* GetCurrentView();
-  void ReMovePageView(CPDFXFA_Page* pPDFPage);
+  void RemovePageView(UnderlyingPageType* pPDFPage);
   void UpdateAllViews(CPDFSDK_PageView* pSender, CPDFSDK_Annot* pAnnot);
 
   CPDFSDK_Annot* GetFocusAnnot();
 
   IJS_Runtime* GetJsRuntime();
 
   FX_BOOL SetFocusAnnot(CPDFSDK_Annot* pAnnot, FX_UINT nFlag = 0);
   FX_BOOL KillFocusAnnot(FX_UINT nFlag = 0);
 
   FX_BOOL ExtractPages(const CFX_WordArray& arrExtraPages,
                        CPDF_Document* pDstDoc);
   FX_BOOL InsertPages(int nInsertAt,
                       const CPDF_Document* pSrcDoc,
                       const CFX_WordArray& arrSrcPages);
-  FX_BOOL DeletePages(int nStart, int nCount);
   FX_BOOL ReplacePages(int nPage,
                        const CPDF_Document* pSrcDoc,
                        const CFX_WordArray& arrSrcPages);
 
   void OnCloseDocument();
 
   int GetPageCount() { return m_pDoc->GetPageCount(); }
   FX_BOOL GetPermissions(int nFlag);
   FX_BOOL GetChangeMark() { return m_bChangeMask; }
   void SetChangeMark() { m_bChangeMask = TRUE; }
   void ClearChangeMark() { m_bChangeMask = FALSE; }
   CFX_WideString GetPath();
   CPDFXFA_Page* GetPage(int nIndex);
   CPDFDoc_Environment* GetEnv() { return m_pEnv; }
   void ProcJavascriptFun();
   FX_BOOL ProcOpenAction();
   CPDF_OCContext* GetOCContext();
 
  private:
   std::map<CPDFXFA_Page*, CPDFSDK_PageView*> m_pageMap;
-  CPDFXFA_Document* m_pDoc;
+  UnderlyingDocumentType* m_pDoc;
   nonstd::unique_ptr<CPDFSDK_InterForm> m_pInterForm;
   CPDFSDK_Annot* m_pFocusAnnot;
   CPDFDoc_Environment* m_pEnv;
   nonstd::unique_ptr<CPDF_OCContext> m_pOccontent;
   FX_BOOL m_bChangeMask;
   FX_BOOL m_bBeingDestroyed;
 };
 class CPDFSDK_PageView final {
  public:
   CPDFSDK_PageView(CPDFSDK_Document* pSDKDoc, CPDFXFA_Page* page);
@@ skipping 141 matching lines @@
     }
 
     if (nStartPos < m)
       QuickSort(nStartPos, m, bAscend, pCompare);
     if (nStopPos > m)
       QuickSort(m, nStopPos, bAscend, pCompare);
   }
 };
 
 #endif  // FPDFSDK_INCLUDE_FSDK_MGR_H_