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

xfa/fwl/core/ifwl_pushbutton.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_BASEWIDGET_FWL_PUSHBUTTONIMP_H_
-#define XFA_FWL_BASEWIDGET_FWL_PUSHBUTTONIMP_H_
+#ifndef XFA_FWL_CORE_IFWL_PUSHBUTTON_H_
+#define XFA_FWL_CORE_IFWL_PUSHBUTTON_H_
 
-#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/fwl/core/cfwl_widgetimpproperties.h"
+#include "xfa/fwl/core/ifwl_dataprovider.h"
 #include "xfa/fwl/core/ifwl_widget.h"
 
+#define FWL_CLASS_PushButton L"FWL_PUSHBUTTON"
+#define FWL_STYLEEXT_PSB_Left (0L << 0)
+#define FWL_STYLEEXT_PSB_Center (1L << 0)
+#define FWL_STYLEEXT_PSB_Right (2L << 0)
+#define FWL_STYLEEXT_PSB_Top (0L << 2)
+#define FWL_STYLEEXT_PSB_VCenter (1L << 2)
+#define FWL_STYLEEXT_PSB_Bottom (2L << 2)
+#define FWL_STYLEEXT_PSB_TextOnly (0L << 4)
+#define FWL_STYLEEXT_PSB_IconOnly (1L << 4)
+#define FWL_STYLEEXT_PSB_TextIcon (2L << 4)
+#define FWL_STYLEEXT_PSB_HLayoutMask (3L << 0)
+#define FWL_STYLEEXT_PSB_VLayoutMask (3L << 2)
+#define FWL_STYLEEXT_PSB_ModeMask (3L << 4)
+#define FWL_STATE_PSB_Hovered (1 << FWL_WGTSTATE_MAX)
+#define FWL_STATE_PSB_Pressed (1 << (FWL_WGTSTATE_MAX + 1))
+#define FWL_STATE_PSB_Default (1 << (FWL_WGTSTATE_MAX + 2))
+
 class CFWL_MsgMouse;
+class CFWL_PushButtonImpDelegate;
 class CFWL_WidgetImpProperties;
-class CFWL_PushButtonImpDelegate;
+class CFX_DIBitmap;
 class IFWL_Widget;
 
-class CFWL_PushButtonImp : public CFWL_WidgetImp {
+class IFWL_PushButtonDP : public IFWL_DataProvider {
  public:
-  CFWL_PushButtonImp(const CFWL_WidgetImpProperties& properties,
-                     IFWL_Widget* pOuter);
-  ~CFWL_PushButtonImp() override;
+  virtual CFX_DIBitmap* GetPicture(IFWL_Widget* pWidget) = 0;
+};
 
-  // CFWL_WidgetImp
+class IFWL_PushButton : public IFWL_Widget {
+ public:
+  static IFWL_PushButton* Create(const CFWL_WidgetImpProperties& properties,
+                                 IFWL_Widget* pOuter);
+
+  IFWL_PushButton(const CFWL_WidgetImpProperties& properties,
+                  IFWL_Widget* pOuter);
+  ~IFWL_PushButton() override;
+
+  // IFWL_Widget
   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;
   void SetStates(uint32_t dwStates, FX_BOOL bSet = TRUE) override;
   FWL_Error Update() override;
   FWL_Error DrawWidget(CFX_Graphics* pGraphics,
                        const CFX_Matrix* pMatrix = nullptr) override;
 
@@ skipping 11 matching lines @@
 
   CFX_RectF m_rtClient;
   CFX_RectF m_rtCaption;
   FX_BOOL m_bBtnDown;
   uint32_t m_dwTTOStyles;
   int32_t m_iTTOAlign;
 };
 
 class CFWL_PushButtonImpDelegate : public CFWL_WidgetImpDelegate {
  public:
-  CFWL_PushButtonImpDelegate(CFWL_PushButtonImp* pOwner);
+  CFWL_PushButtonImpDelegate(IFWL_PushButton* 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 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);
   void OnKeyDown(CFWL_MsgKey* pMsg);
-  CFWL_PushButtonImp* m_pOwner;
+  IFWL_PushButton* m_pOwner;
 };
 
-#endif  // XFA_FWL_BASEWIDGET_FWL_PUSHBUTTONIMP_H_
+#endif  // XFA_FWL_CORE_IFWL_PUSHBUTTON_H_