1 files changed, 24 insertions, 112 deletions

diff --git a/xfa/fwl/core/cfwl_listbox.cpp b/xfa/fwl/core/cfwl_listbox.cpp
index cefee8ca87..bf7798978a 100644
--- a/xfa/fwl/core/cfwl_listbox.cpp
+++ b/xfa/fwl/core/cfwl_listbox.cpp
@@ -34,35 +34,38 @@ void CFWL_ListBox::Initialize() {
   CFWL_Widget::Initialize();
 }
 
+CFWL_ListItem* CFWL_ListBox::GetItem(const IFWL_Widget* pWidget,
+                                     int32_t nIndex) const {
+  return GetWidget() ? ToListBox(GetWidget())->GetItem(pWidget, nIndex)
+                     : nullptr;
+}
+
+void CFWL_ListBox::GetItemText(IFWL_Widget* pWidget,
+                               CFWL_ListItem* pItem,
+                               CFX_WideString& wsText) {
+  if (GetWidget())
+    ToListBox(GetWidget())->GetItemText(pWidget, pItem, wsText);
+}
+
 CFWL_ListItem* CFWL_ListBox::AddString(const CFX_WideStringC& wsAdd,
                                        bool bSelect) {
-  std::unique_ptr<CFWL_ListItem> pItem(new CFWL_ListItem);
-  pItem->m_dwStates = 0;
-  pItem->m_wsText = wsAdd;
-  pItem->m_dwStates = bSelect ? FWL_ITEMSTATE_LTB_Selected : 0;
-  m_ItemArray.push_back(std::move(pItem));
-  return m_ItemArray.back().get();
+  return GetWidget() ? ToListBox(GetWidget())->AddString(wsAdd, bSelect)
+                     : nullptr;
 }
 
 bool CFWL_ListBox::DeleteString(CFWL_ListItem* pItem) {
-  int32_t nIndex = GetItemIndex(GetWidget(), pItem);
-  if (nIndex < 0 || static_cast<size_t>(nIndex) >= m_ItemArray.size())
-    return false;
-
-  int32_t iSel = nIndex + 1;
-  if (iSel >= CountItems(m_pIface.get()))
-    iSel = nIndex - 1;
-  if (iSel >= 0) {
-    CFWL_ListItem* pSel =
-        static_cast<CFWL_ListItem*>(GetItem(m_pIface.get(), iSel));
-    pSel->m_dwStates |= FWL_ITEMSTATE_LTB_Selected;
-  }
-  m_ItemArray.erase(m_ItemArray.begin() + nIndex);
-  return true;
+  return GetWidget() && ToListBox(GetWidget())->DeleteString(pItem);
 }
 
 void CFWL_ListBox::DeleteAll() {
-  m_ItemArray.clear();
+  if (GetWidget())
+    ToListBox(GetWidget())->DeleteAll();
+}
+
+uint32_t CFWL_ListBox::GetItemStates(CFWL_ListItem* pItem) {
+  if (!pItem)
+    return 0;
+  return pItem->m_dwStates | pItem->m_dwCheckState;
 }
 
 int32_t CFWL_ListBox::CountSelItems() {
@@ -81,94 +84,3 @@ void CFWL_ListBox::SetSelItem(CFWL_ListItem* pItem, bool bSelect) {
   if (GetWidget())
     ToListBox(GetWidget())->SetSelItem(pItem, bSelect);
 }
-
-void CFWL_ListBox::GetItemText(IFWL_Widget* pWidget,
-                               CFWL_ListItem* pItem,
-                               CFX_WideString& wsText) {
-  if (pItem)
-    wsText = static_cast<CFWL_ListItem*>(pItem)->m_wsText;
-}
-
-uint32_t CFWL_ListBox::GetItemStates(CFWL_ListItem* pItem) {
-  if (!pItem)
-    return 0;
-  return pItem->m_dwStates | pItem->m_dwCheckState;
-}
-
-int32_t CFWL_ListBox::CountItems(const IFWL_Widget* pWidget) const {
-  return pdfium::CollectionSize<int32_t>(m_ItemArray);
-}
-
-CFWL_ListItem* CFWL_ListBox::GetItem(const IFWL_Widget* pWidget,
-                                     int32_t nIndex) const {
-  if (nIndex < 0 || nIndex >= CountItems(pWidget))
-    return nullptr;
-  return m_ItemArray[nIndex].get();
-}
-
-int32_t CFWL_ListBox::GetItemIndex(IFWL_Widget* pWidget, CFWL_ListItem* pItem) {
-  auto it = std::find_if(
-      m_ItemArray.begin(), m_ItemArray.end(),
-      [pItem](const std::unique_ptr<CFWL_ListItem>& candidate) {
-        return candidate.get() == static_cast<CFWL_ListItem*>(pItem);
-      });
-  return it != m_ItemArray.end() ? it - m_ItemArray.begin() : -1;
-}
-
-uint32_t CFWL_ListBox::GetItemStyles(IFWL_Widget* pWidget,
-                                     CFWL_ListItem* pItem) {
-  return pItem ? static_cast<CFWL_ListItem*>(pItem)->m_dwStates : 0;
-}
-
-void CFWL_ListBox::GetItemRect(IFWL_Widget* pWidget,
-                               CFWL_ListItem* pItem,
-                               CFX_RectF& rtItem) {
-  if (pItem)
-    rtItem = static_cast<CFWL_ListItem*>(pItem)->m_rtItem;
-}
-
-void* CFWL_ListBox::GetItemData(IFWL_Widget* pWidget, CFWL_ListItem* pItem) {
-  return pItem ? static_cast<CFWL_ListItem*>(pItem)->m_pData : nullptr;
-}
-
-void CFWL_ListBox::SetItemStyles(IFWL_Widget* pWidget,
-                                 CFWL_ListItem* pItem,
-                                 uint32_t dwStyle) {
-  if (pItem)
-    static_cast<CFWL_ListItem*>(pItem)->m_dwStates = dwStyle;
-}
-
-void CFWL_ListBox::SetItemRect(IFWL_Widget* pWidget,
-                               CFWL_ListItem* pItem,
-                               const CFX_RectF& rtItem) {
-  if (pItem)
-    static_cast<CFWL_ListItem*>(pItem)->m_rtItem = rtItem;
-}
-
-CFX_DIBitmap* CFWL_ListBox::GetItemIcon(IFWL_Widget* pWidget,
-                                        CFWL_ListItem* pItem) {
-  return static_cast<CFWL_ListItem*>(pItem)->m_pDIB;
-}
-
-void CFWL_ListBox::GetItemCheckRect(IFWL_Widget* pWidget,
-                                    CFWL_ListItem* pItem,
-                                    CFX_RectF& rtCheck) {
-  rtCheck = static_cast<CFWL_ListItem*>(pItem)->m_rtCheckBox;
-}
-
-void CFWL_ListBox::SetItemCheckRect(IFWL_Widget* pWidget,
-                                    CFWL_ListItem* pItem,
-                                    const CFX_RectF& rtCheck) {
-  static_cast<CFWL_ListItem*>(pItem)->m_rtCheckBox = rtCheck;
-}
-
-uint32_t CFWL_ListBox::GetItemCheckState(IFWL_Widget* pWidget,
-                                         CFWL_ListItem* pItem) {
-  return static_cast<CFWL_ListItem*>(pItem)->m_dwCheckState;
-}
-
-void CFWL_ListBox::SetItemCheckState(IFWL_Widget* pWidget,
-                                     CFWL_ListItem* pItem,
-                                     uint32_t dwCheckState) {
-  static_cast<CFWL_ListItem*>(pItem)->m_dwCheckState = dwCheckState;
-}