Continue IFWL cleanup

xfa/fwl/core/cfwl_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_CFWL_LISTBOX_H_
 #define XFA_FWL_CORE_CFWL_LISTBOX_H_
 
 #include <memory>
@@ skipping 11 matching lines @@
 
   void Initialize();
 
   FWL_Error AddDIBitmap(CFX_DIBitmap* pDIB, CFWL_ListItem* pItem);
   CFWL_ListItem* AddString(const CFX_WideStringC& wsAdd, bool bSelect = false);
   bool DeleteString(CFWL_ListItem* pItem);
   void DeleteAll();
   int32_t CountSelItems();
   CFWL_ListItem* GetSelItem(int32_t nIndexSel);
   int32_t GetSelIndex(int32_t nIndex);
-  FWL_Error SetSelItem(CFWL_ListItem* pItem, bool bSelect = true);
-  FWL_Error GetItemText(CFWL_ListItem* pItem, CFX_WideString& wsText);
-  FWL_Error GetScrollPos(FX_FLOAT& fPos, bool bVert = true);
+  void SetSelItem(CFWL_ListItem* pItem, bool bSelect = true);
+  void GetItemText(CFWL_ListItem* pItem, CFX_WideString& wsText);
+  void GetScrollPos(FX_FLOAT& fPos, bool bVert = true);
   FWL_Error SetItemHeight(FX_FLOAT fItemHeight);
   CFWL_ListItem* GetFocusItem();
   FWL_Error SetFocusItem(CFWL_ListItem* pItem);
   int32_t CountItems();
   CFWL_ListItem* GetItem(int32_t nIndex);
   FWL_Error SetItemString(CFWL_ListItem* pItem, const CFX_WideStringC& wsText);
   FWL_Error GetItemString(CFWL_ListItem* pItem, CFX_WideString& wsText);
   FWL_Error SetItemData(CFWL_ListItem* pItem, void* pData);
   void* GetItemData(CFWL_ListItem* pItem);
   CFWL_ListItem* GetItemAtPoint(FX_FLOAT fx, FX_FLOAT fy);
   uint32_t GetItemStates(CFWL_ListItem* pItem);
 
   // IFWL_DataProvider:
   FWL_Error GetCaption(IFWL_Widget* pWidget,
                        CFX_WideString& wsCaption) override;
 
   // IFWL_ListBoxDP:
   int32_t CountItems(const IFWL_Widget* pWidget) override;
   CFWL_ListItem* GetItem(const IFWL_Widget* pWidget, int32_t nIndex) override;
   int32_t GetItemIndex(IFWL_Widget* pWidget, CFWL_ListItem* pItem) override;
   bool SetItemIndex(IFWL_Widget* pWidget,
                     CFWL_ListItem* pItem,
                     int32_t nIndex) override;
   uint32_t GetItemStyles(IFWL_Widget* pWidget, CFWL_ListItem* pItem) override;
-  FWL_Error GetItemText(IFWL_Widget* pWidget,
-                        CFWL_ListItem* pItem,
-                        CFX_WideString& wsText) override;
-  FWL_Error GetItemRect(IFWL_Widget* pWidget,
-                        CFWL_ListItem* pItem,
-                        CFX_RectF& rtItem) override;
+  void GetItemText(IFWL_Widget* pWidget,
+                   CFWL_ListItem* pItem,
+                   CFX_WideString& wsText) override;
+  void GetItemRect(IFWL_Widget* pWidget,
+                   CFWL_ListItem* pItem,
+                   CFX_RectF& rtItem) override;
   void* GetItemData(IFWL_Widget* pWidget, CFWL_ListItem* pItem) override;
-  FWL_Error SetItemStyles(IFWL_Widget* pWidget,
-                          CFWL_ListItem* pItem,
-                          uint32_t dwStyle) override;
-  FWL_Error SetItemText(IFWL_Widget* pWidget,
-                        CFWL_ListItem* pItem,
-                        const FX_WCHAR* pszText) override;
-  FWL_Error SetItemRect(IFWL_Widget* pWidget,
-                        CFWL_ListItem* pItem,
-                        const CFX_RectF& rtItem) override;
+  void SetItemStyles(IFWL_Widget* pWidget,
+                     CFWL_ListItem* pItem,
+                     uint32_t dwStyle) override;
+  void SetItemText(IFWL_Widget* pWidget,
+                   CFWL_ListItem* pItem,
+                   const FX_WCHAR* pszText) override;
+  void SetItemRect(IFWL_Widget* pWidget,
+                   CFWL_ListItem* pItem,
+                   const CFX_RectF& rtItem) override;
   FX_FLOAT GetItemHeight(IFWL_Widget* pWidget) override;
   CFX_DIBitmap* GetItemIcon(IFWL_Widget* pWidget,
                             CFWL_ListItem* pItem) override;
-  FWL_Error GetItemCheckRect(IFWL_Widget* pWidget,
-                             CFWL_ListItem* pItem,
-                             CFX_RectF& rtCheck) override;
-  FWL_Error SetItemCheckRect(IFWL_Widget* pWidget,
-                             CFWL_ListItem* pItem,
-                             const CFX_RectF& rtCheck) override;
+  void GetItemCheckRect(IFWL_Widget* pWidget,
+                        CFWL_ListItem* pItem,
+                        CFX_RectF& rtCheck) override;
+  void SetItemCheckRect(IFWL_Widget* pWidget,
+                        CFWL_ListItem* pItem,
+                        const CFX_RectF& rtCheck) override;
   uint32_t GetItemCheckState(IFWL_Widget* pWidget,
                              CFWL_ListItem* pItem) override;
-  FWL_Error SetItemCheckState(IFWL_Widget* pWidget,
-                              CFWL_ListItem* pItem,
-                              uint32_t dwCheckState) override;
+  void SetItemCheckState(IFWL_Widget* pWidget,
+                         CFWL_ListItem* pItem,
+                         uint32_t dwCheckState) override;
 
  private:
   std::vector<std::unique_ptr<CFWL_ListItem>> m_ItemArray;
   CFX_WideString m_wsData;
   FX_FLOAT m_fItemHeight;
 };
 
 #endif  // XFA_FWL_CORE_CFWL_LISTBOX_H_