Merge the CFWL_*Imp classes into the IFWL_* classes.

xfa/fwl/basewidget/fwl_editimp.h

Index: xfa/fwl/basewidget/fwl_editimp.h
diff --git a/xfa/fwl/basewidget/fwl_editimp.h b/xfa/fwl/basewidget/fwl_editimp.h
deleted file mode 100644
index e17a4cfc0942b35133e285dbadce0e290ce5a238..0000000000000000000000000000000000000000
--- a/xfa/fwl/basewidget/fwl_editimp.h
+++ /dev/null
@@ -1,202 +0,0 @@
-// 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_FWL_BASEWIDGET_FWL_EDITIMP_H_
-#define XFA_FWL_BASEWIDGET_FWL_EDITIMP_H_
-
-#include <deque>
-#include <memory>
-#include <vector>
-
-#include "xfa/fde/ifde_txtedtdorecord.h"
-#include "xfa/fde/ifde_txtedtengine.h"
-#include "xfa/fwl/basewidget/ifwl_scrollbar.h"
-#include "xfa/fwl/core/fwl_widgetimp.h"
-#include "xfa/fxgraphics/cfx_path.h"
-
-class CFWL_EditImp;
-class CFWL_EditImpDelegate;
-class CFWL_MsgActivate;
-class CFWL_MsgDeactivate;
-class CFWL_MsgMouse;
-class CFWL_WidgetImpDelegate;
-class CFWL_WidgetImpProperties;
-class IFWL_Caret;
-
-class CFWL_EditImp : public CFWL_WidgetImp {
- public:
-  CFWL_EditImp(const CFWL_WidgetImpProperties& properties, IFWL_Widget* pOuter);
-  ~CFWL_EditImp() override;
-
-  // CFWL_WidgetImp:
-  FWL_Error GetClassName(CFX_WideString& wsClass) const override;
-  FWL_Type GetClassID() const override;
-  FWL_Error Initialize() override;
-  FWL_Error Finalize() override;
-  FWL_Error GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE) override;
-  FWL_Error SetWidgetRect(const CFX_RectF& rect) override;
-  FWL_Error Update() override;
-  FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy) override;
-  void SetStates(uint32_t dwStates, FX_BOOL bSet = TRUE) override;
-  FWL_Error DrawWidget(CFX_Graphics* pGraphics,
-                       const CFX_Matrix* pMatrix = nullptr) override;
-  FWL_Error SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) override;
-
-  virtual FWL_Error SetText(const CFX_WideString& wsText);
-  virtual int32_t GetTextLength() const;
-  virtual FWL_Error GetText(CFX_WideString& wsText,
-                            int32_t nStart = 0,
-                            int32_t nCount = -1) const;
-  virtual FWL_Error ClearText();
-  virtual int32_t GetCaretPos() const;
-  virtual int32_t SetCaretPos(int32_t nIndex, FX_BOOL bBefore = TRUE);
-  virtual FWL_Error AddSelRange(int32_t nStart, int32_t nCount = -1);
-  virtual int32_t CountSelRanges();
-  virtual int32_t GetSelRange(int32_t nIndex, int32_t& nStart);
-  virtual FWL_Error ClearSelections();
-  virtual int32_t GetLimit();
-  virtual FWL_Error SetLimit(int32_t nLimit);
-  virtual FWL_Error SetAliasChar(FX_WCHAR wAlias);
-  virtual FWL_Error Insert(int32_t nStart,
-                           const FX_WCHAR* lpText,
-                           int32_t nLen);
-  virtual FWL_Error DeleteSelections();
-  virtual FWL_Error DeleteRange(int32_t nStart, int32_t nCount = -1);
-  virtual FWL_Error Replace(int32_t nStart,
-                            int32_t nLen,
-                            const CFX_WideStringC& wsReplace);
-  virtual FWL_Error DoClipboard(int32_t iCmd);
-  virtual FX_BOOL Copy(CFX_WideString& wsCopy);
-  virtual FX_BOOL Cut(CFX_WideString& wsCut);
-  virtual FX_BOOL Paste(const CFX_WideString& wsPaste);
-  virtual FX_BOOL Delete();
-  virtual FX_BOOL Redo(const IFDE_TxtEdtDoRecord* pRecord);
-  virtual FX_BOOL Undo(const IFDE_TxtEdtDoRecord* pRecord);
-  virtual FX_BOOL Undo();
-  virtual FX_BOOL Redo();
-  virtual FX_BOOL CanUndo();
-  virtual FX_BOOL CanRedo();
-  virtual FWL_Error SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant);
-  virtual FWL_Error SetOuter(IFWL_Widget* pOuter);
-  virtual FWL_Error SetNumberRange(int32_t iMin, int32_t iMax);
-  virtual FWL_Error SetBackgroundColor(uint32_t color);
-  virtual FWL_Error SetFont(const CFX_WideString& wsFont, FX_FLOAT fSize);
-
-  void On_CaretChanged(CFDE_TxtEdtEngine* pEdit,
-                       int32_t nPage,
-                       FX_BOOL bVisible = true);
-  void On_TextChanged(CFDE_TxtEdtEngine* pEdit,
-                      FDE_TXTEDT_TEXTCHANGE_INFO& ChangeInfo);
-  void On_SelChanged(CFDE_TxtEdtEngine* pEdit);
-  FX_BOOL On_PageLoad(CFDE_TxtEdtEngine* pEdit,
-                      int32_t nPageIndex,
-                      int32_t nPurpose);
-  FX_BOOL On_PageUnload(CFDE_TxtEdtEngine* pEdit,
-                        int32_t nPageIndex,
-                        int32_t nPurpose);
-  void On_AddDoRecord(CFDE_TxtEdtEngine* pEdit, IFDE_TxtEdtDoRecord* pRecord);
-  FX_BOOL On_Validate(CFDE_TxtEdtEngine* pEdit, CFX_WideString& wsText);
-  void SetScrollOffset(FX_FLOAT fScrollOffset);
-  FX_BOOL GetSuggestWords(CFX_PointF pointf,
-                          std::vector<CFX_ByteString>& sSuggest);
-  FX_BOOL ReplaceSpellCheckWord(CFX_PointF pointf,
-                                const CFX_ByteStringC& bsReplace);
-
- protected:
-  friend class CFWL_TxtEdtEventSink;
-  friend class CFWL_EditImpDelegate;
-
-  void DrawTextBk(CFX_Graphics* pGraphics,
-                  IFWL_ThemeProvider* pTheme,
-                  const CFX_Matrix* pMatrix = nullptr);
-  void DrawContent(CFX_Graphics* pGraphics,
-                   IFWL_ThemeProvider* pTheme,
-                   const CFX_Matrix* pMatrix = nullptr);
-  void UpdateEditEngine();
-  void UpdateEditParams();
-  void UpdateEditLayout();
-  FX_BOOL UpdateOffset();
-  FX_BOOL UpdateOffset(IFWL_ScrollBar* pScrollBar, FX_FLOAT fPosChanged);
-  void UpdateVAlignment();
-  void UpdateCaret();
-  IFWL_ScrollBar* UpdateScroll();
-  void Layout();
-  void LayoutScrollBar();
-  void DeviceToEngine(CFX_PointF& pt);
-  void InitScrollBar(FX_BOOL bVert = TRUE);
-  void InitEngine();
-  virtual void ShowCaret(FX_BOOL bVisible, CFX_RectF* pRect = nullptr);
-  FX_BOOL ValidateNumberChar(FX_WCHAR cNum);
-  void InitCaret();
-  void ClearRecord();
-  FX_BOOL IsShowScrollBar(FX_BOOL bVert);
-  FX_BOOL IsContentHeightOverflow();
-  int32_t AddDoRecord(IFDE_TxtEdtDoRecord* pRecord);
-  void ProcessInsertError(int32_t iError);
-
-  void DrawSpellCheck(CFX_Graphics* pGraphics,
-                      const CFX_Matrix* pMatrix = nullptr);
-  void AddSpellCheckObj(CFX_Path& PathData,
-                        int32_t nStart,
-                        int32_t nCount,
-                        FX_FLOAT fOffSetX,
-                        FX_FLOAT fOffSetY);
-  int32_t GetWordAtPoint(CFX_PointF pointf, int32_t& nCount);
-
-  CFX_RectF m_rtClient;
-  CFX_RectF m_rtEngine;
-  CFX_RectF m_rtStatic;
-  FX_FLOAT m_fVAlignOffset;
-  FX_FLOAT m_fScrollOffsetX;
-  FX_FLOAT m_fScrollOffsetY;
-  std::unique_ptr<CFDE_TxtEdtEngine> m_pEdtEngine;
-  FX_BOOL m_bLButtonDown;
-  int32_t m_nSelStart;
-  int32_t m_nLimit;
-  FX_FLOAT m_fSpaceAbove;
-  FX_FLOAT m_fSpaceBelow;
-  FX_FLOAT m_fFontSize;
-  FX_ARGB m_argbSel;
-  FX_BOOL m_bSetRange;
-  int32_t m_iMin;
-  int32_t m_iMax;
-  std::unique_ptr<IFWL_ScrollBar> m_pVertScrollBar;
-  std::unique_ptr<IFWL_ScrollBar> m_pHorzScrollBar;
-  std::unique_ptr<IFWL_Caret> m_pCaret;
-  CFX_WideString m_wsCache;
-  uint32_t m_backColor;
-  FX_BOOL m_updateBackColor;
-  CFX_WideString m_wsFont;
-  std::deque<std::unique_ptr<IFDE_TxtEdtDoRecord>> m_DoRecords;
-  int32_t m_iCurRecord;
-  int32_t m_iMaxRecord;
-};
-
-class CFWL_EditImpDelegate : public CFWL_WidgetImpDelegate {
- public:
-  CFWL_EditImpDelegate(CFWL_EditImp* pOwner);
-  void OnProcessMessage(CFWL_Message* pMessage) override;
-  void OnProcessEvent(CFWL_Event* pEvent) override;
-  void OnDrawWidget(CFX_Graphics* pGraphics,
-                    const CFX_Matrix* pMatrix = nullptr) override;
-
- protected:
-  void DoActivate(CFWL_MsgActivate* pMsg);
-  void DoDeactivate(CFWL_MsgDeactivate* pMsg);
-  void DoButtonDown(CFWL_MsgMouse* pMsg);
-  void OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE);
-  void OnLButtonDown(CFWL_MsgMouse* pMsg);
-  void OnLButtonUp(CFWL_MsgMouse* pMsg);
-  void OnButtonDblClk(CFWL_MsgMouse* pMsg);
-  void OnMouseMove(CFWL_MsgMouse* pMsg);
-  void OnKeyDown(CFWL_MsgKey* pMsg);
-  void OnChar(CFWL_MsgKey* pMsg);
-  FX_BOOL OnScroll(IFWL_ScrollBar* pScrollBar, uint32_t dwCode, FX_FLOAT fPos);
-  void DoCursor(CFWL_MsgMouse* pMsg);
-  CFWL_EditImp* m_pOwner;
-};
-
-#endif  // XFA_FWL_BASEWIDGET_FWL_EDITIMP_H_