Fold IFWL*::{Initialize|Finalize} into constructor/destructor

xfa/fwl/core/ifwl_edit.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/ifwl_edit.h"
 
 #include <algorithm>
 #include <memory>
 #include <vector>
 
+#include "third_party/base/ptr_util.h"
 #include "third_party/base/stl_util.h"
 #include "xfa/fde/cfde_txtedtengine.h"
 #include "xfa/fde/fde_gedevice.h"
 #include "xfa/fde/fde_render.h"
 #include "xfa/fde/ifde_txtedtpage.h"
 #include "xfa/fgas/font/fgas_gefont.h"
 #include "xfa/fwl/core/cfwl_message.h"
 #include "xfa/fwl/core/cfwl_themebackground.h"
 #include "xfa/fwl/core/cfwl_themepart.h"
 #include "xfa/fwl/core/cfwl_widgetmgr.h"
@@ skipping 44 matching lines @@
       m_bSetRange(FALSE),
       m_iMin(-1),
       m_iMax(0xFFFFFFF),
       m_backColor(0),
       m_updateBackColor(FALSE),
       m_iCurRecord(-1),
       m_iMaxRecord(128) {
   m_rtClient.Reset();
   m_rtEngine.Reset();
   m_rtStatic.Reset();
-}
 
-IFWL_Edit::~IFWL_Edit() {
-  ClearRecord();
-}
-
-void IFWL_Edit::Initialize() {
-  IFWL_Widget::Initialize();
-  if (!m_pDelegate)
-    m_pDelegate = new CFWL_EditImpDelegate(this);
-
+  SetDelegate(pdfium::MakeUnique<CFWL_EditImpDelegate>(this));
   InitCaret();
   if (!m_pEdtEngine)
     InitEngine();
 }
 
-void IFWL_Edit::Finalize() {
+IFWL_Edit::~IFWL_Edit() {
   if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused)
     ShowCaret(FALSE);
-  if (m_pHorzScrollBar)
-    m_pHorzScrollBar->Finalize();
-  if (m_pVertScrollBar)
-    m_pVertScrollBar->Finalize();
 
-  delete m_pDelegate;
-  m_pDelegate = nullptr;
-  IFWL_Widget::Finalize();
+  ClearRecord();
 }
 
 FWL_Type IFWL_Edit::GetClassID() const {
   return FWL_Type::Edit;
 }
 
 FWL_Error IFWL_Edit::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
   if (bAutoSize) {
     rect.Set(0, 0, 0, 0);
     if (m_pEdtEngine) {
@@ skipping 1351 matching lines @@
 
 void IFWL_Edit::InitScrollBar(FX_BOOL bVert) {
   if ((bVert && m_pVertScrollBar) || (!bVert && m_pHorzScrollBar)) {
     return;
   }
   CFWL_WidgetImpProperties prop;
   prop.m_dwStyleExes = bVert ? FWL_STYLEEXT_SCB_Vert : FWL_STYLEEXT_SCB_Horz;
   prop.m_dwStates = FWL_WGTSTATE_Disabled | FWL_WGTSTATE_Invisible;
   prop.m_pParent = this;
   prop.m_pThemeProvider = m_pProperties->m_pThemeProvider;
-  IFWL_ScrollBar* pScrollBar = new IFWL_ScrollBar(m_pOwnerApp, prop, this);
-  pScrollBar->Initialize();
-  (bVert ? &m_pVertScrollBar : &m_pHorzScrollBar)->reset(pScrollBar);
+
+  IFWL_ScrollBar* sb = new IFWL_ScrollBar(m_pOwnerApp, prop, this);
+  if (bVert)
+    m_pVertScrollBar.reset(sb);
+  else
+    m_pHorzScrollBar.reset(sb);
 }
 
 void IFWL_Edit::InitEngine() {
   if (!m_pEdtEngine)
     m_pEdtEngine.reset(new CFDE_TxtEdtEngine);
 }
 
 FX_BOOL FWL_ShowCaret(IFWL_Widget* pWidget,
                       FX_BOOL bVisible,
                       const CFX_RectF* pRtAnchor) {
@@ skipping 76 matching lines @@
       return TRUE;
     }
   }
   return FALSE;
 }
 void IFWL_Edit::InitCaret() {
   if (!m_pCaret) {
     if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_InnerCaret)) {
       CFWL_WidgetImpProperties prop;
       m_pCaret.reset(new IFWL_Caret(m_pOwnerApp, prop, this));
-      m_pCaret->Initialize();
       m_pCaret->SetParent(this);
       m_pCaret->SetStates(m_pProperties->m_dwStates);
     }
   } else if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_InnerCaret) ==
              0) {
     m_pCaret.reset();
   }
 }
 
 void IFWL_Edit::ClearRecord() {
@@ skipping 449 matching lines @@
     }
     CFX_RectF rect;
     m_pOwner->GetWidgetRect(rect);
     CFX_RectF rtInvalidate;
     rtInvalidate.Set(0, 0, rect.width + 2, rect.height + 2);
     m_pOwner->Repaint(&rtInvalidate);
   }
   return TRUE;
 }
 void CFWL_EditImpDelegate::DoCursor(CFWL_MsgMouse* pMsg) {}