Remove GetWidget() overrides

xfa/fwl/core/cfwl_datetimepicker.cpp

 // 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
 
 #include "xfa/fwl/core/cfwl_datetimepicker.h"
 
 #include <memory>
 
 #include "xfa/fwl/core/fwl_error.h"
 #include "xfa/fwl/core/ifwl_datetimepicker.h"
 #include "xfa/fwl/core/ifwl_widget.h"
 
+namespace {
+
+IFWL_DateTimePicker* ToDateTimePicker(IFWL_Widget* widget) {
+  return static_cast<IFWL_DateTimePicker*>(widget);
+}
+
+}  // namespace
+
 CFWL_DateTimePicker::CFWL_DateTimePicker(const IFWL_App* app)
     : CFWL_Widget(app) {}
 
 CFWL_DateTimePicker::~CFWL_DateTimePicker() {}
 
 void CFWL_DateTimePicker::Initialize() {
   ASSERT(!m_pIface);
 
   std::unique_ptr<IFWL_DateTimePicker> pDateTimePicker(new IFWL_DateTimePicker(
       m_pApp, m_pProperties->MakeWidgetImpProperties(&m_DateTimePickerDP)));
   pDateTimePicker->Initialize();
 
   m_pIface = std::move(pDateTimePicker);
   CFWL_Widget::Initialize();
 }
 
-IFWL_DateTimePicker* CFWL_DateTimePicker::GetWidget() {
-  return static_cast<IFWL_DateTimePicker*>(m_pIface.get());
-}
-
-const IFWL_DateTimePicker* CFWL_DateTimePicker::GetWidget() const {
-  return static_cast<IFWL_DateTimePicker*>(m_pIface.get());
-}
-
 FWL_Error CFWL_DateTimePicker::SetToday(int32_t iYear,
                                         int32_t iMonth,
                                         int32_t iDay) {
   m_DateTimePickerDP.m_iYear = iYear;
   m_DateTimePickerDP.m_iMonth = iMonth;
   m_DateTimePickerDP.m_iDay = iDay;
   return FWL_Error::Succeeded;
 }
 
 int32_t CFWL_DateTimePicker::CountSelRanges() {
-  return GetWidget()->CountSelRanges();
+  return ToDateTimePicker(GetWidget())->CountSelRanges();
 }
 
 int32_t CFWL_DateTimePicker::GetSelRange(int32_t nIndex, int32_t& nStart) {
-  return GetWidget()->GetSelRange(nIndex, nStart);
+  return ToDateTimePicker(GetWidget())->GetSelRange(nIndex, nStart);
 }
 
 FWL_Error CFWL_DateTimePicker::GetEditText(CFX_WideString& wsText) {
-  return GetWidget()->GetEditText(wsText);
+  return ToDateTimePicker(GetWidget())->GetEditText(wsText);
 }
 
 FWL_Error CFWL_DateTimePicker::SetEditText(const CFX_WideString& wsText) {
-  return GetWidget()->SetEditText(wsText);
+  return ToDateTimePicker(GetWidget())->SetEditText(wsText);
 }
 
 FWL_Error CFWL_DateTimePicker::GetCurSel(int32_t& iYear,
                                          int32_t& iMonth,
                                          int32_t& iDay) {
-  return GetWidget()->GetCurSel(iYear, iMonth, iDay);
+  return ToDateTimePicker(GetWidget())->GetCurSel(iYear, iMonth, iDay);
 }
 
 FWL_Error CFWL_DateTimePicker::SetCurSel(int32_t iYear,
                                          int32_t iMonth,
                                          int32_t iDay) {
-  return GetWidget()->SetCurSel(iYear, iMonth, iDay);
+  return ToDateTimePicker(GetWidget())->SetCurSel(iYear, iMonth, iDay);
 }
 
 CFWL_DateTimePicker::CFWL_DateTimePickerDP::CFWL_DateTimePickerDP() {
   m_iYear = 2011;
   m_iMonth = 1;
   m_iDay = 1;
 }
 
 FWL_Error CFWL_DateTimePicker::CFWL_DateTimePickerDP::GetCaption(
     IFWL_Widget* pWidget,
     CFX_WideString& wsCaption) {
   wsCaption = m_wsData;
   return FWL_Error::Succeeded;
 }
 
 FWL_Error CFWL_DateTimePicker::CFWL_DateTimePickerDP::GetToday(
     IFWL_Widget* pWidget,
     int32_t& iYear,
     int32_t& iMonth,
     int32_t& iDay) {
   iYear = m_iYear;
   iMonth = m_iMonth;
   iDay = m_iDay;
   return FWL_Error::Succeeded;
 }
 
 FX_BOOL CFWL_DateTimePicker::CanUndo() {
-  return GetWidget()->CanUndo();
+  return ToDateTimePicker(GetWidget())->CanUndo();
 }
 
 FX_BOOL CFWL_DateTimePicker::CanRedo() {
-  return GetWidget()->CanRedo();
+  return ToDateTimePicker(GetWidget())->CanRedo();
 }
 
 FX_BOOL CFWL_DateTimePicker::Undo() {
-  return GetWidget()->Undo();
+  return ToDateTimePicker(GetWidget())->Undo();
 }
 
 FX_BOOL CFWL_DateTimePicker::Redo() {
-  return GetWidget()->Redo();
+  return ToDateTimePicker(GetWidget())->Redo();
 }
 
 FX_BOOL CFWL_DateTimePicker::CanCopy() {
-  return GetWidget()->CanCopy();
+  return ToDateTimePicker(GetWidget())->CanCopy();
 }
 
 FX_BOOL CFWL_DateTimePicker::CanCut() {
-  return GetWidget()->CanCut();
+  return ToDateTimePicker(GetWidget())->CanCut();
 }
 
 FX_BOOL CFWL_DateTimePicker::CanSelectAll() {
-  return GetWidget()->CanSelectAll();
+  return ToDateTimePicker(GetWidget())->CanSelectAll();
 }
 
 FX_BOOL CFWL_DateTimePicker::Copy(CFX_WideString& wsCopy) {
-  return GetWidget()->Copy(wsCopy);
+  return ToDateTimePicker(GetWidget())->Copy(wsCopy);
 }
 
 FX_BOOL CFWL_DateTimePicker::Cut(CFX_WideString& wsCut) {
-  return GetWidget()->Copy(wsCut);
+  return ToDateTimePicker(GetWidget())->Copy(wsCut);
 }
 
 FX_BOOL CFWL_DateTimePicker::Paste(const CFX_WideString& wsPaste) {
-  return GetWidget()->Paste(wsPaste);
+  return ToDateTimePicker(GetWidget())->Paste(wsPaste);
 }
 
 FX_BOOL CFWL_DateTimePicker::SelectAll() {
-  return GetWidget()->SelectAll();
+  return ToDateTimePicker(GetWidget())->SelectAll();
 }
 
 FX_BOOL CFWL_DateTimePicker::Delete() {
-  return GetWidget()->Delete();
+  return ToDateTimePicker(GetWidget())->Delete();
 }
 
 FX_BOOL CFWL_DateTimePicker::DeSelect() {
-  return GetWidget()->DeSelect();
+  return ToDateTimePicker(GetWidget())->DeSelect();
 }
 
 FWL_Error CFWL_DateTimePicker::GetBBox(CFX_RectF& rect) {
-  return GetWidget()->GetBBox(rect);
+  return ToDateTimePicker(GetWidget())->GetBBox(rect);
 }
 
 FWL_Error CFWL_DateTimePicker::SetEditLimit(int32_t nLimit) {
-  return GetWidget()->SetEditLimit(nLimit);
+  return ToDateTimePicker(GetWidget())->SetEditLimit(nLimit);
 }
 
 FWL_Error CFWL_DateTimePicker::ModifyEditStylesEx(uint32_t dwStylesExAdded,
                                                   uint32_t dwStylesExRemoved) {
-  return GetWidget()->ModifyEditStylesEx(dwStylesExAdded, dwStylesExRemoved);
+  return ToDateTimePicker(GetWidget())
+      ->ModifyEditStylesEx(dwStylesExAdded, dwStylesExRemoved);
 }