Start proxying CPDFSDK_Document methods through CPDFSDK_FormFillEnvironment

fpdfsdk/cpdfsdk_interform.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_INTERFORM_H_
 #define FPDFSDK_CPDFSDK_INTERFORM_H_
 
 #include <map>
 #include <vector>
 
 #include "core/fpdfdoc/cpdf_action.h"
 #include "core/fpdfdoc/ipdf_formnotify.h"
 #include "core/fxcrt/fx_basic.h"
 #include "core/fxge/fx_dib.h"
+#include "fpdfsdk/cpdfsdk_document.h"
 
 class CPDF_Dictionary;
 class CPDF_FormControl;
 class CPDF_FormField;
 class CPDF_InterForm;
 class CPDF_Object;
-class CPDFSDK_Document;
+class CPDFSDK_FormFillEnvironment;
 class CPDFSDK_Widget;
 
 #ifdef PDF_ENABLE_XFA
 class CPDFSDK_XFAWidget;
 class CXFA_FFWidget;
 #endif  // PDF_ENABLE_XFA
 
 class CPDFSDK_InterForm : public IPDF_FormNotify {
  public:
   explicit CPDFSDK_InterForm(CPDFSDK_Document* pDocument);
   ~CPDFSDK_InterForm() override;
 
   CPDF_InterForm* GetInterForm() const { return m_pInterForm.get(); }
-  CPDFSDK_Document* GetDocument() const { return m_pDocument; }
+  CPDFSDK_FormFillEnvironment* GetFormFillEnv() const {
+    return m_pDocument->GetEnv();
+  }
 
   FX_BOOL HighlightWidgets();
 
   CPDFSDK_Widget* GetSibling(CPDFSDK_Widget* pWidget, FX_BOOL bNext) const;
   CPDFSDK_Widget* GetWidget(CPDF_FormControl* pControl,
                             bool createIfNeeded) const;
   void GetWidgets(const CFX_WideString& sFieldName,
                   std::vector<CPDFSDK_Widget*>* widgets) const;
   void GetWidgets(CPDF_FormField* pField,
                   std::vector<CPDFSDK_Widget*>* widgets) const;
@@ skipping 87 matching lines @@
 #endif  // PDF_ENABLE_XFA
   FX_BOOL m_bCalculate;
   FX_BOOL m_bBusy;
 
   FX_COLORREF m_aHighlightColor[kNumFieldTypes];
   uint8_t m_iHighlightAlpha;
   FX_BOOL m_bNeedHightlight[kNumFieldTypes];
 };
 
 #endif  // FPDFSDK_CPDFSDK_INTERFORM_H_