Pass objects instead of strings for undo/redo records.

xfa/fee/fde_txtedtengine.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 XFA_FEE_FDE_TXTEDTENGINE_H_
 #define XFA_FEE_FDE_TXTEDTENGINE_H_
 
 #include "core/fxcrt/include/fx_string.h"
 #include "xfa/fee/fde_txtedtbuf.h"
 #include "xfa/fee/ifde_txtedtengine.h"
 #include "xfa/fgas/layout/fgas_textbreak.h"
 
 class CFX_TxtBreak;
 class IFX_CharIter;
 class CFDE_TxtEdtParag;
 class CFDE_TxtEdtDoRecord_Insert;
 class CFDE_TxtEdtDoRecord_DeleteRange;
 
 class IFDE_TxtEdtDoRecord {
  public:
-  static IFDE_TxtEdtDoRecord* Create(const CFX_ByteStringC& bsDoRecord);
   virtual ~IFDE_TxtEdtDoRecord() {}
-  virtual void Release() = 0;
-  virtual FX_BOOL Redo() = 0;
-  virtual FX_BOOL Undo() = 0;
-  virtual void Serialize(CFX_ByteString& bsDoRecord) const = 0;
+
+  virtual FX_BOOL Redo() const = 0;
+  virtual FX_BOOL Undo() const = 0;
 };
 
 class CFDE_TxtEdtEngine {
  public:
   CFDE_TxtEdtEngine();
 
   void Release();
 
   void SetEditParams(const FDE_TXTEDTPARAMS& params);
   FDE_TXTEDTPARAMS* GetEditParams();
@@ skipping 28 matching lines @@
   void SetLimit(int32_t nLimit);
   void SetAliasChar(FX_WCHAR wcAlias);
 
   void RemoveSelRange(int32_t nStart, int32_t nCount = -1);
 
   void AddSelRange(int32_t nStart, int32_t nCount = -1);
   int32_t CountSelRanges();
   int32_t GetSelRange(int32_t nIndex, int32_t& nStart);
   void ClearSelection();
 
-  FX_BOOL Redo(const CFX_ByteStringC& bsRedo);
-  FX_BOOL Undo(const CFX_ByteStringC& bsUndo);
+  FX_BOOL Redo(const IFDE_TxtEdtDoRecord* pRecord);
+  FX_BOOL Undo(const IFDE_TxtEdtDoRecord* pRecord);
 
   int32_t StartLayout();
   int32_t DoLayout(IFX_Pause* pPause);
   void EndLayout();
 
   FX_BOOL Optimize(IFX_Pause* pPause = NULL);
   int32_t CountParags() const;
   CFDE_TxtEdtParag* GetParag(int32_t nParagIndex) const;
   IFX_CharIter* CreateCharIter();
   CFDE_TxtEdtBuf* GetTextBuf() const;
@@ skipping 99 matching lines @@
   int32_t m_nLimit;
   FX_WCHAR m_wcAliasChar;
   int32_t m_nFirstLineEnd;
   FX_BOOL m_bAutoLineEnd;
   FX_WCHAR m_wLineEnd;
   FDE_TXTEDT_TEXTCHANGE_INFO m_ChangeInfo;
 };
 
 class CFDE_TxtEdtDoRecord_Insert : public IFDE_TxtEdtDoRecord {
  public:
-  CFDE_TxtEdtDoRecord_Insert(const CFX_ByteStringC& bsDoRecord);
   CFDE_TxtEdtDoRecord_Insert(CFDE_TxtEdtEngine* pEngine,
                              int32_t nCaret,
                              const FX_WCHAR* lpText,
                              int32_t nLength);
-  virtual void Release();
-  virtual FX_BOOL Undo();
-  virtual FX_BOOL Redo();
-  virtual void Serialize(CFX_ByteString& bsDoRecord) const;
+  ~CFDE_TxtEdtDoRecord_Insert() override;
 
- protected:
-  ~CFDE_TxtEdtDoRecord_Insert();
-  void Deserialize(const CFX_ByteStringC& bsDoRecord);
+  FX_BOOL Undo() const override;
+  FX_BOOL Redo() const override;
 
  private:
   CFDE_TxtEdtEngine* m_pEngine;
   int32_t m_nCaret;
   CFX_WideString m_wsInsert;
 };
 
 class CFDE_TxtEdtDoRecord_DeleteRange : public IFDE_TxtEdtDoRecord {
  public:
-  CFDE_TxtEdtDoRecord_DeleteRange(const CFX_ByteStringC& bsDoRecord);
   CFDE_TxtEdtDoRecord_DeleteRange(CFDE_TxtEdtEngine* pEngine,
                                   int32_t nIndex,
                                   int32_t nCaret,
                                   const CFX_WideString& wsRange,
                                   FX_BOOL bSel = FALSE);
-  virtual void Release();
-  virtual FX_BOOL Undo();
-  virtual FX_BOOL Redo();
-  virtual void Serialize(CFX_ByteString& bsDoRecord) const;
+  ~CFDE_TxtEdtDoRecord_DeleteRange() override;
 
- protected:
-  ~CFDE_TxtEdtDoRecord_DeleteRange();
-  void Deserialize(const CFX_ByteStringC& bsDoRecord);
+  FX_BOOL Undo() const override;
+  FX_BOOL Redo() const override;
 
  private:
   CFDE_TxtEdtEngine* m_pEngine;
   FX_BOOL m_bSel;
   int32_t m_nIndex;
   int32_t m_nCaret;
   CFX_WideString m_wsRange;
 };
 
 #endif  // XFA_FEE_FDE_TXTEDTENGINE_H_