Merge delegates into IFWL_* classes.

xfa/fwl/core/ifwl_listbox.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_LISTBOX_H_
 #define XFA_FWL_CORE_IFWL_LISTBOX_H_
 
 #include <memory>
@@ skipping 14 matching lines @@
 #define FWL_STYLEEXT_LTB_MultiLine (1L << 6)
 #define FWL_STYLEEXT_LTB_OwnerDraw (1L << 7)
 #define FWL_STYLEEXT_LTB_Icon (1L << 8)
 #define FWL_STYLEEXT_LTB_Check (1L << 9)
 #define FWL_STYLEEXT_LTB_AlignMask (3L << 4)
 #define FWL_STYLEEXT_LTB_ShowScrollBarFocus (1L << 10)
 #define FWL_ITEMSTATE_LTB_Selected (1L << 0)
 #define FWL_ITEMSTATE_LTB_Focused (1L << 1)
 #define FWL_ITEMSTATE_LTB_Checked (1L << 2)
 
-class CFWL_ListBoxImpDelegate;
 class CFWL_MsgKillFocus;
 class CFWL_MsgMouse;
 class CFWL_MsgMouseWheel;
 class CFX_DIBitmap;
 
 FWL_EVENT_DEF(CFWL_EvtLtbSelChanged,
               CFWL_EventType::SelectChanged,
               CFX_Int32Array iarraySels;)
 
 FWL_EVENT_DEF(CFWL_EvtLtbDrawItem,
@@ skipping 62 matching lines @@
   ~IFWL_ListBox() override;
 
   // IFWL_Widget
   FWL_Type GetClassID() const 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* pThemeProvider) override;
+  void OnProcessMessage(CFWL_Message* pMessage) override;
+  void OnProcessEvent(CFWL_Event* pEvent) override;
+  void OnDrawWidget(CFX_Graphics* pGraphics,
+                    const CFX_Matrix* pMatrix) override;
 
   int32_t CountSelItems();
   IFWL_ListItem* GetSelItem(int32_t nIndexSel);
   int32_t GetSelIndex(int32_t nIndex);
   FWL_Error SetSelItem(IFWL_ListItem* hItem, FX_BOOL bSelect = TRUE);
   FWL_Error GetItemText(IFWL_ListItem* hItem, CFX_WideString& wsText);
   FWL_Error GetScrollPos(FX_FLOAT& fPos, FX_BOOL bVert = TRUE);
   FWL_Error* Sort(IFWL_ListBoxCompare* pCom);
 
  protected:
@@ skipping 45 matching lines @@
   CFX_RectF m_rtConent;
   std::unique_ptr<IFWL_ScrollBar> m_pHorzScrollBar;
   std::unique_ptr<IFWL_ScrollBar> m_pVertScrollBar;
   uint32_t m_dwTTOStyles;
   int32_t m_iTTOAligns;
   IFWL_ListItem* m_hAnchor;
   FX_FLOAT m_fItemHeight;
   FX_FLOAT m_fScorllBarWidth;
   FX_BOOL m_bLButtonDown;
   IFWL_ThemeProvider* m_pScrollBarTP;
-};
 
-class CFWL_ListBoxImpDelegate : public CFWL_WidgetImpDelegate {
- public:
-  CFWL_ListBoxImpDelegate(IFWL_ListBox* 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:
+ private:
   void OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE);
   void OnLButtonDown(CFWL_MsgMouse* pMsg);
   void OnLButtonUp(CFWL_MsgMouse* pMsg);
   void OnMouseWheel(CFWL_MsgMouseWheel* pMsg);
   void OnKeyDown(CFWL_MsgKey* pMsg);
   void OnVK(IFWL_ListItem* hItem, FX_BOOL bShift, FX_BOOL bCtrl);
   FX_BOOL OnScroll(IFWL_ScrollBar* pScrollBar, uint32_t dwCode, FX_FLOAT fPos);
   void DispatchSelChangedEv();
-  IFWL_ListBox* m_pOwner;
 };
 
 #endif  // XFA_FWL_CORE_IFWL_LISTBOX_H_