Split fwl/core class pt I.

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>
 
 #include "xfa/fwl/core/cfwl_event.h"
 #include "xfa/fwl/core/cfwl_listitem.h"
 #include "xfa/fwl/core/cfwl_widgetproperties.h"
-#include "xfa/fwl/core/ifwl_dataprovider.h"
 #include "xfa/fwl/core/ifwl_edit.h"
 #include "xfa/fwl/core/ifwl_listbox.h"
 #include "xfa/fwl/core/ifwl_widget.h"
 
 #define FWL_STYLEEXT_LTB_MultiSelection (1L << 0)
 #define FWL_STYLEEXT_LTB_ShowScrollBarAlaways (1L << 2)
 #define FWL_STYLEEXT_LTB_MultiColumn (1L << 3)
 #define FWL_STYLEEXT_LTB_LeftAlign (0L << 4)
 #define FWL_STYLEEXT_LTB_CenterAlign (1L << 4)
 #define FWL_STYLEEXT_LTB_RightAlign (2L << 4)
 #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_MsgKillFocus;
 class CFWL_MsgMouse;
 class CFWL_MsgMouseWheel;
 class CFX_DIBitmap;
 
-class IFWL_ListBoxDP : public IFWL_DataProvider {
- public:
-  virtual int32_t CountItems(const IFWL_Widget* pWidget) const = 0;
-  virtual CFWL_ListItem* GetItem(const IFWL_Widget* pWidget,
-                                 int32_t nIndex) const = 0;
-  virtual int32_t GetItemIndex(IFWL_Widget* pWidget, CFWL_ListItem* pItem) = 0;
-  virtual uint32_t GetItemStyles(IFWL_Widget* pWidget,
-                                 CFWL_ListItem* pItem) = 0;
-  virtual void GetItemText(IFWL_Widget* pWidget,
-                           CFWL_ListItem* pItem,
-                           CFX_WideString& wsText) = 0;
-  virtual void GetItemRect(IFWL_Widget* pWidget,
-                           CFWL_ListItem* pItem,
-                           CFX_RectF& rtItem) = 0;
-  virtual void* GetItemData(IFWL_Widget* pWidget, CFWL_ListItem* pItem) = 0;
-  virtual void SetItemStyles(IFWL_Widget* pWidget,
-                             CFWL_ListItem* pItem,
-                             uint32_t dwStyle) = 0;
-  virtual void SetItemRect(IFWL_Widget* pWidget,
-                           CFWL_ListItem* pItem,
-                           const CFX_RectF& rtItem) = 0;
-  virtual CFX_DIBitmap* GetItemIcon(IFWL_Widget* pWidget,
-                                    CFWL_ListItem* pItem) = 0;
-  virtual void GetItemCheckRect(IFWL_Widget* pWidget,
-                                CFWL_ListItem* pItem,
-                                CFX_RectF& rtCheck) = 0;
-  virtual void SetItemCheckRect(IFWL_Widget* pWidget,
-                                CFWL_ListItem* pItem,
-                                const CFX_RectF& rtCheck) = 0;
-  virtual uint32_t GetItemCheckState(IFWL_Widget* pWidget,
-                                     CFWL_ListItem* pItem) = 0;
-  virtual void SetItemCheckState(IFWL_Widget* pWidget,
-                                 CFWL_ListItem* pItem,
-                                 uint32_t dwCheckState) = 0;
-};
-
 class IFWL_ListBox : public IFWL_Widget {
  public:
+  class DataProvider : public IFWL_Widget::DataProvider {
+   public:
+    virtual int32_t CountItems(const IFWL_Widget* pWidget) const = 0;
+    virtual CFWL_ListItem* GetItem(const IFWL_Widget* pWidget,
+                                   int32_t nIndex) const = 0;
+    virtual int32_t GetItemIndex(IFWL_Widget* pWidget,
+                                 CFWL_ListItem* pItem) = 0;
+    virtual uint32_t GetItemStyles(IFWL_Widget* pWidget,
+                                   CFWL_ListItem* pItem) = 0;
+    virtual void GetItemText(IFWL_Widget* pWidget,
+                             CFWL_ListItem* pItem,
+                             CFX_WideString& wsText) = 0;
+    virtual void GetItemRect(IFWL_Widget* pWidget,
+                             CFWL_ListItem* pItem,
+                             CFX_RectF& rtItem) = 0;
+    virtual void* GetItemData(IFWL_Widget* pWidget, CFWL_ListItem* pItem) = 0;
+    virtual void SetItemStyles(IFWL_Widget* pWidget,
+                               CFWL_ListItem* pItem,
+                               uint32_t dwStyle) = 0;
+    virtual void SetItemRect(IFWL_Widget* pWidget,
+                             CFWL_ListItem* pItem,
+                             const CFX_RectF& rtItem) = 0;
+    virtual CFX_DIBitmap* GetItemIcon(IFWL_Widget* pWidget,
+                                      CFWL_ListItem* pItem) = 0;
+    virtual void GetItemCheckRect(IFWL_Widget* pWidget,
+                                  CFWL_ListItem* pItem,
+                                  CFX_RectF& rtCheck) = 0;
+    virtual void SetItemCheckRect(IFWL_Widget* pWidget,
+                                  CFWL_ListItem* pItem,
+                                  const CFX_RectF& rtCheck) = 0;
+    virtual uint32_t GetItemCheckState(IFWL_Widget* pWidget,
+                                       CFWL_ListItem* pItem) = 0;
+    virtual void SetItemCheckState(IFWL_Widget* pWidget,
+                                   CFWL_ListItem* pItem,
+                                   uint32_t dwCheckState) = 0;
+  };
+
   IFWL_ListBox(const IFWL_App* app,
                std::unique_ptr<CFWL_WidgetProperties> properties,
                IFWL_Widget* pOuter);
   ~IFWL_ListBox() override;
 
   // IFWL_Widget
   FWL_Type GetClassID() const override;
   void GetWidgetRect(CFX_RectF& rect, bool bAutoSize = false) override;
   void Update() override;
   FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy) override;
@@ skipping 72 matching lines @@
   uint32_t m_dwTTOStyles;
   int32_t m_iTTOAligns;
   CFWL_ListItem* m_hAnchor;
   FX_FLOAT m_fItemHeight;
   FX_FLOAT m_fScorllBarWidth;
   bool m_bLButtonDown;
   IFWL_ThemeProvider* m_pScrollBarTP;
 };
 
 #endif  // XFA_FWL_CORE_IFWL_LISTBOX_H_