Split fwl/core class pt I.

xfa/fwl/core/ifwl_monthcalendar.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_FWL_CORE_IFWL_MONTHCALENDAR_H_
 #define XFA_FWL_CORE_IFWL_MONTHCALENDAR_H_
 
 #include "xfa/fgas/localization/fgas_datetime.h"
 #include "xfa/fwl/core/cfwl_event.h"
 #include "xfa/fwl/core/cfwl_widgetproperties.h"
-#include "xfa/fwl/core/ifwl_dataprovider.h"
 #include "xfa/fwl/core/ifwl_widget.h"
 
 #define FWL_STYLEEXT_MCD_MultiSelect (1L << 0)
 #define FWL_STYLEEXT_MCD_NoToday (1L << 1)
 #define FWL_STYLEEXT_MCD_NoTodayCircle (1L << 2)
 #define FWL_STYLEEXT_MCD_WeekNumbers (1L << 3)
 #define FWL_ITEMSTATE_MCD_Nomal (0L << 0)
 #define FWL_ITEMSTATE_MCD_Flag (1L << 0)
 #define FWL_ITEMSTATE_MCD_Selected (1L << 1)
 #define FWL_ITEMSTATE_MCD_Focused (1L << 2)
 
 class CFWL_MsgMouse;
 class IFWL_Widget;
 
-class IFWL_MonthCalendarDP : public IFWL_DataProvider {
- public:
-  virtual int32_t GetCurDay(IFWL_Widget* pWidget) = 0;
-  virtual int32_t GetCurMonth(IFWL_Widget* pWidget) = 0;
-  virtual int32_t GetCurYear(IFWL_Widget* pWidget) = 0;
-};
-
 class IFWL_MonthCalendar : public IFWL_Widget {
  public:
+  class DataProvider : public IFWL_Widget::DataProvider {
+   public:
+    virtual int32_t GetCurDay(IFWL_Widget* pWidget) = 0;
+    virtual int32_t GetCurMonth(IFWL_Widget* pWidget) = 0;
+    virtual int32_t GetCurYear(IFWL_Widget* pWidget) = 0;
+  };
+
   IFWL_MonthCalendar(const IFWL_App* app,
                      std::unique_ptr<CFWL_WidgetProperties> properties,
                      IFWL_Widget* pOuter);
   ~IFWL_MonthCalendar() override;
 
   // FWL_WidgetImp
   FWL_Type GetClassID() const override;
   void GetWidgetRect(CFX_RectF& rect, bool bAutoSize = false) override;
   void Update() override;
   void DrawWidget(CFX_Graphics* pGraphics,
@@ skipping 178 matching lines @@
   FX_FLOAT m_fDateCellHei;
   FX_FLOAT m_fTodayWid;
   FX_FLOAT m_fTodayHei;
   FX_FLOAT m_fTodayFlagWid;
   FX_FLOAT m_fMCWid;
   FX_FLOAT m_fMCHei;
   bool m_bFlag;
 };
 
 #endif  // XFA_FWL_CORE_IFWL_MONTHCALENDAR_H_