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

xfa/fwl/basewidget/fwl_datetimepickerimp.h

Index: xfa/fwl/basewidget/fwl_datetimepickerimp.h
diff --git a/xfa/fwl/basewidget/fwl_datetimepickerimp.h b/xfa/fwl/basewidget/fwl_datetimepickerimp.h
deleted file mode 100644
index 8306a26ba8d1773424a85a222e991ed61e2d52d0..0000000000000000000000000000000000000000
--- a/xfa/fwl/basewidget/fwl_datetimepickerimp.h
+++ /dev/null
@@ -1,244 +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_DATETIMEPICKERIMP_H_
-#define XFA_FWL_BASEWIDGET_FWL_DATETIMEPICKERIMP_H_
-
-#include <memory>
-
-#include "xfa/fwl/basewidget/fwl_editimp.h"
-#include "xfa/fwl/basewidget/fwl_monthcalendarimp.h"
-#include "xfa/fwl/basewidget/ifwl_datetimepicker.h"
-#include "xfa/fwl/basewidget/ifwl_edit.h"
-#include "xfa/fwl/basewidget/ifwl_monthcalendar.h"
-#include "xfa/fwl/core/ifwl_form.h"
-
-class CFWL_WidgetImp;
-class CFWL_WidgetImpProperties;
-class CFWL_WidgetImpDelegate;
-class CFWL_DateTimeEdit;
-class CFWL_DateTimeEditImpDelegate;
-class CFWL_DateTimeCalendar;
-class CFWL_DateTimeCalendarImpDelegate;
-class CFWL_DateTimePickerImp;
-class CFWL_DateTimePickerImpDelegate;
-
-class IFWL_DateTimeForm : public IFWL_Form {
- public:
-  static IFWL_DateTimeForm* Create(const CFWL_WidgetImpProperties& properties,
-                                   IFWL_Widget* pOuter);
-
- protected:
-  IFWL_DateTimeForm() {}
-};
-
-class IFWL_DateTimeCalender : public IFWL_MonthCalendar {
- public:
-  static IFWL_DateTimeCalender* Create(
-      const CFWL_WidgetImpProperties& properties,
-      IFWL_Widget* pOuter);
-
- protected:
-  IFWL_DateTimeCalender() {}
-};
-
-class IFWL_DateTimeEdit : public IFWL_Edit {
- public:
-  static IFWL_DateTimeEdit* Create(const CFWL_WidgetImpProperties& properties,
-                                   IFWL_Widget* pOuter);
-
- protected:
-  IFWL_DateTimeEdit() {}
-};
-
-class CFWL_DateTimeEdit : public CFWL_EditImp {
- public:
-  CFWL_DateTimeEdit(const CFWL_WidgetImpProperties& properties,
-                    IFWL_Widget* pOuter);
-
-  // CFWL_EditImp
-  FWL_Error Initialize() override;
-  FWL_Error Finalize() override;
-
- protected:
-  friend class CFWL_DateTimeEditImpDelegate;
-};
-
-class CFWL_DateTimeEditImpDelegate : public CFWL_EditImpDelegate {
- public:
-  CFWL_DateTimeEditImpDelegate(CFWL_DateTimeEdit* pOwner);
-  void OnProcessMessage(CFWL_Message* pMessage) override;
-
- protected:
-  CFWL_DateTimeEdit* m_pOwner;
-
- private:
-  void DisForm_OnProcessMessage(CFWL_Message* pMessage);
-};
-
-class CFWL_DateTimeCalendar : public CFWL_MonthCalendarImp {
- public:
-  CFWL_DateTimeCalendar(const CFWL_WidgetImpProperties& properties,
-                        IFWL_Widget* pOuter);
-
-  // CFWL_MonthCalendarImp
-  FWL_Error Initialize() override;
-  FWL_Error Finalize() override;
-
- protected:
-  friend class CFWL_DateTimeCalendarImpDelegate;
-};
-
-class CFWL_DateTimeCalendarImpDelegate : public CFWL_MonthCalendarImpDelegate {
- public:
-  CFWL_DateTimeCalendarImpDelegate(CFWL_DateTimeCalendar* pOwner);
-  void OnProcessMessage(CFWL_Message* pMessage) override;
-
-  void OnLButtonDownEx(CFWL_MsgMouse* pMsg);
-  void OnLButtonUpEx(CFWL_MsgMouse* pMsg);
-  void OnMouseMoveEx(CFWL_MsgMouse* pMsg);
-
- protected:
-  CFWL_DateTimeCalendar* m_pOwner;
-  FX_BOOL m_bFlag;
-
- private:
-  void DisForm_OnProcessMessage(CFWL_Message* pMessage);
-  void DisForm_OnLButtonUpEx(CFWL_MsgMouse* pMsg);
-};
-
-class CFWL_DateTimePickerImp : public CFWL_WidgetImp {
- public:
-  CFWL_DateTimePickerImp(const CFWL_WidgetImpProperties& properties,
-                         IFWL_Widget* pOuter);
-  ~CFWL_DateTimePickerImp() 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 Update() override;
-  FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy) override;
-  FWL_Error DrawWidget(CFX_Graphics* pGraphics,
-                       const CFX_Matrix* pMatrix = nullptr) override;
-  FWL_Error SetThemeProvider(IFWL_ThemeProvider* pTP) override;
-
-  FWL_Error GetCurSel(int32_t& iYear, int32_t& iMonth, int32_t& iDay);
-  FWL_Error SetCurSel(int32_t iYear, int32_t iMonth, int32_t iDay);
-  FWL_Error SetEditText(const CFX_WideString& wsText);
-  FWL_Error GetEditText(CFX_WideString& wsText,
-                        int32_t nStart = 0,
-                        int32_t nCount = -1) const;
-
-  FX_BOOL CanUndo();
-  FX_BOOL CanRedo();
-  FX_BOOL Undo();
-  FX_BOOL Redo();
-  FX_BOOL CanCopy();
-  FX_BOOL CanCut();
-  FX_BOOL CanSelectAll();
-  FX_BOOL Copy(CFX_WideString& wsCopy);
-  FX_BOOL Cut(CFX_WideString& wsCut);
-  FX_BOOL Paste(const CFX_WideString& wsPaste);
-  FX_BOOL SelectAll();
-  FX_BOOL Delete();
-  FX_BOOL DeSelect();
-  FWL_Error GetBBox(CFX_RectF& rect);
-  FWL_Error SetEditLimit(int32_t nLimit);
-  FWL_Error ModifyEditStylesEx(uint32_t dwStylesExAdded,
-                               uint32_t dwStylesExRemoved);
-  IFWL_DateTimeEdit* GetDataTimeEdit();
-
- protected:
-  friend class CFWL_DateTimeEditImpDelegate;
-  friend class CFWL_DateTimeCalendar;
-  friend class CFWL_DateTimeCalendarImpDelegate;
-  friend class CFWL_DateTimePickerImpDelegate;
-
-  class CFWL_MonthCalendarImpDP : public IFWL_MonthCalendarDP {
-   public:
-    CFWL_MonthCalendarImpDP();
-
-    // IFWL_DataProvider
-    FWL_Error GetCaption(IFWL_Widget* pWidget,
-                         CFX_WideString& wsCaption) override;
-
-    // IFWL_MonthCalendarDP
-    int32_t GetCurDay(IFWL_Widget* pWidget) override;
-    int32_t GetCurMonth(IFWL_Widget* pWidget) override;
-    int32_t GetCurYear(IFWL_Widget* pWidget) override;
-
-    int32_t m_iCurDay;
-    int32_t m_iCurYear;
-    int32_t m_iCurMonth;
-  };
-
-  void DrawDropDownButton(CFX_Graphics* pGraphics,
-                          IFWL_ThemeProvider* pTheme,
-                          const CFX_Matrix* pMatrix);
-  void FormatDateString(int32_t iYear,
-                        int32_t iMonth,
-                        int32_t iDay,
-                        CFX_WideString& wsText);
-  void ShowMonthCalendar(FX_BOOL bActivate);
-  FX_BOOL IsMonthCalendarShowed();
-  void ReSetEditAlignment();
-  void InitProxyForm();
-  void ProcessSelChanged(int32_t iYear, int32_t iMonth, int32_t iDay);
-
-  CFX_RectF m_rtBtn;
-  CFX_RectF m_rtClient;
-  int32_t m_iBtnState;
-  int32_t m_iYear;
-  int32_t m_iMonth;
-  int32_t m_iDay;
-  FX_BOOL m_bLBtnDown;
-  std::unique_ptr<IFWL_DateTimeEdit> m_pEdit;
-  std::unique_ptr<IFWL_DateTimeCalender> m_pMonthCal;
-  std::unique_ptr<IFWL_DateTimeForm> m_pForm;
-  FX_FLOAT m_fBtn;
-  CFWL_MonthCalendarImpDP m_MonthCalendarDP;
-
- private:
-  FWL_Error DisForm_Initialize();
-  void DisForm_InitDateTimeCalendar();
-  void DisForm_InitDateTimeEdit();
-  FX_BOOL DisForm_IsMonthCalendarShowed();
-  void DisForm_ShowMonthCalendar(FX_BOOL bActivate);
-  FWL_WidgetHit DisForm_HitTest(FX_FLOAT fx, FX_FLOAT fy);
-  FX_BOOL DisForm_IsNeedShowButton();
-  FWL_Error DisForm_Update();
-  FWL_Error DisForm_GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE);
-  FWL_Error DisForm_GetBBox(CFX_RectF& rect);
-  FWL_Error DisForm_DrawWidget(CFX_Graphics* pGraphics,
-                               const CFX_Matrix* pMatrix = nullptr);
-};
-
-class CFWL_DateTimePickerImpDelegate : public CFWL_WidgetImpDelegate {
- public:
-  CFWL_DateTimePickerImpDelegate(CFWL_DateTimePickerImp* pOwner);
-
-  // CFWL_WidgetImpDelegate
-  void OnProcessMessage(CFWL_Message* pMessage) override;
-  void OnDrawWidget(CFX_Graphics* pGraphics,
-                    const CFX_Matrix* pMatrix = nullptr) override;
-
- protected:
-  void OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE);
-  void OnLButtonDown(CFWL_MsgMouse* pMsg);
-  void OnLButtonUp(CFWL_MsgMouse* pMsg);
-  void OnMouseMove(CFWL_MsgMouse* pMsg);
-  void OnMouseLeave(CFWL_MsgMouse* pMsg);
-
-  CFWL_DateTimePickerImp* m_pOwner;
-
- private:
-  void DisForm_OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE);
-};
-
-#endif  // XFA_FWL_BASEWIDGET_FWL_DATETIMEPICKERIMP_H_