Convert CPDFSDK_PageView to have a CPDFSDK_FormFillEnvironment

fpdfsdk/cpdfsdk_pageview.h

 // Copyright 2016 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_CPDFSDK_PAGEVIEW_H_
 #define FPDFSDK_CPDFSDK_PAGEVIEW_H_
 
 #include <memory>
 #include <vector>
 
 #include "core/fpdfapi/page/cpdf_page.h"
 #include "core/fxcrt/fx_system.h"
 #include "fpdfsdk/cpdfsdk_annot.h"
 #include "fpdfsdk/cpdfsdk_document.h"
 
 class CFX_RenderDevice;
 class CPDF_AnnotList;
 class CPDF_RenderOptions;
 
 class CPDFSDK_PageView final : public CPDF_Page::View {
  public:
-  CPDFSDK_PageView(CPDFSDK_Document* pSDKDoc, UnderlyingPageType* page);
+  CPDFSDK_PageView(CPDFSDK_FormFillEnvironment* pFormFillEnv,
+                   UnderlyingPageType* page);
   ~CPDFSDK_PageView();
 
 #ifdef PDF_ENABLE_XFA
   void PageView_OnDraw(CFX_RenderDevice* pDevice,
                        CFX_Matrix* pUser2Device,
                        CPDF_RenderOptions* pOptions,
                        const FX_RECT& pClip);
 #else   // PDF_ENABLE_XFA
   void PageView_OnDraw(CFX_RenderDevice* pDevice,
                        CFX_Matrix* pUser2Device,
@@ skipping 16 matching lines @@
 #ifdef PDF_ENABLE_XFA
   FX_BOOL DeleteAnnot(CPDFSDK_Annot* pAnnot);
   CPDFSDK_Annot* AddAnnot(CXFA_FFWidget* pPDFAnnot);
   CPDFSDK_Annot* GetAnnotByXFAWidget(CXFA_FFWidget* hWidget);
 
   CPDFXFA_Page* GetPDFXFAPage() { return m_page; }
 #endif  // PDF_ENABLE_XFA
 
   CPDF_Page* GetPDFPage() const;
   CPDF_Document* GetPDFDocument();
-  CPDFSDK_Document* GetSDKDocument() { return m_pSDKDoc; }
+  CPDFSDK_FormFillEnvironment* GetFormFillEnv() const { return m_pFormFillEnv; }
   FX_BOOL OnLButtonDown(const CFX_FloatPoint& point, uint32_t nFlag);
   FX_BOOL OnLButtonUp(const CFX_FloatPoint& point, uint32_t nFlag);
 #ifdef PDF_ENABLE_XFA
   FX_BOOL OnRButtonDown(const CFX_FloatPoint& point, uint32_t nFlag);
   FX_BOOL OnRButtonUp(const CFX_FloatPoint& point, uint32_t nFlag);
 #endif  // PDF_ENABLE_XFA
   FX_BOOL OnChar(int nChar, uint32_t nFlag);
   FX_BOOL OnKeyDown(int nKeyCode, int nFlag);
   FX_BOOL OnKeyUp(int nKeyCode, int nFlag);
 
@@ skipping 23 matching lines @@
   void TakePageOwnership() { m_bOwnsPage = true; }
 #endif  // PDF_ENABLE_XFA
 
  private:
   int GetPageIndexForStaticPDF() const;
 
   CFX_Matrix m_curMatrix;
   UnderlyingPageType* const m_page;
   std::unique_ptr<CPDF_AnnotList> m_pAnnotList;
   std::vector<CPDFSDK_Annot*> m_SDKAnnotArray;
-  CPDFSDK_Document* const m_pSDKDoc;
+  CPDFSDK_FormFillEnvironment* const m_pFormFillEnv;  // Not owned.
   CPDFSDK_Annot::ObservedPtr m_pCaptureWidget;
 #ifndef PDF_ENABLE_XFA
   bool m_bOwnsPage;
 #endif  // PDF_ENABLE_XFA
   FX_BOOL m_bEnterWidget;
   FX_BOOL m_bExitWidget;
   FX_BOOL m_bOnWidget;
   FX_BOOL m_bValid;
   FX_BOOL m_bLocked;
   bool m_bBeingDestroyed;
 };
 
 #endif  // FPDFSDK_CPDFSDK_PAGEVIEW_H_