Rename IFWL_Widget::SetDelegate

xfa/fwl/core/ifwl_widget.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_widget.h"
 
 #include <algorithm>
 
@@ skipping 82 matching lines @@
 FWL_Error IFWL_Widget::SetWidgetRect(const CFX_RectF& rect) {
   CFX_RectF rtOld = m_pProperties->m_rtWidget;
   m_pProperties->m_rtWidget = rect;
   if (IsChild()) {
     if (FXSYS_fabs(rtOld.width - rect.width) > 0.5f ||
         FXSYS_fabs(rtOld.height - rect.height) > 0.5f) {
       CFWL_EvtSizeChanged ev;
       ev.m_pSrcTarget = this;
       ev.m_rtOld = rtOld;
       ev.m_rtNew = rect;
-      IFWL_WidgetDelegate* pDelegate = SetDelegate(nullptr);
-      if (pDelegate) {
+
+      if (IFWL_WidgetDelegate* pDelegate = GetCurrentDelegate())
         pDelegate->OnProcessEvent(&ev);
-      }
     }
     return FWL_Error::Succeeded;
   }
   m_pWidgetMgr->SetWidgetRect_Native(this, rect);
   return FWL_Error::Succeeded;
 }
 
 FWL_Error IFWL_Widget::GetClientRect(CFX_RectF& rect) {
   GetEdgeRect(rect);
   if (HasEdge()) {
@@ skipping 229 matching lines @@
 }
 
 IFWL_ThemeProvider* IFWL_Widget::GetThemeProvider() {
   return m_pProperties->m_pThemeProvider;
 }
 FWL_Error IFWL_Widget::SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) {
   m_pProperties->m_pThemeProvider = pThemeProvider;
   return FWL_Error::Succeeded;
 }
 
-IFWL_WidgetDelegate* IFWL_Widget::SetDelegate(IFWL_WidgetDelegate* pDelegate) {
-  if (!m_pCurDelegate) {
+IFWL_WidgetDelegate* IFWL_Widget::GetCurrentDelegate() {
+  if (!m_pCurDelegate)
     m_pCurDelegate = m_pDelegate;
-  }
-  if (!pDelegate) {
-    return m_pCurDelegate;
-  }
-  IFWL_WidgetDelegate* pOldDelegate = m_pCurDelegate;
+  return m_pCurDelegate;
+}
+
+void IFWL_Widget::SetCurrentDelegate(IFWL_WidgetDelegate* pDelegate) {
   m_pCurDelegate = pDelegate;
-  return pOldDelegate;
 }
 
 const IFWL_App* IFWL_Widget::GetOwnerApp() const {
   return m_pOwnerApp;
 }
 
 uint32_t IFWL_Widget::GetEventKey() const {
   return m_nEventKey;
 }
 
@@ skipping 344 matching lines @@
   pEvent->m_pSrcTarget = this;
   pEvent->m_dwCmd = pNote->m_dwCmd;
   pEvent->m_dwKeyCode = pNote->m_dwKeyCode;
   pEvent->m_dwFlags = pNote->m_dwFlags;
   DispatchEvent(pEvent);
   pEvent->Release();
 }
 
 void IFWL_Widget::DispatchEvent(CFWL_Event* pEvent) {
   if (m_pOuter) {
-    IFWL_WidgetDelegate* pDelegate = m_pOuter->SetDelegate(nullptr);
-    pDelegate->OnProcessEvent(pEvent);
+    m_pOuter->GetCurrentDelegate()->OnProcessEvent(pEvent);
     return;
   }
   const IFWL_App* pApp = GetOwnerApp();
   if (!pApp)
     return;
   CFWL_NoteDriver* pNoteDriver = pApp->GetNoteDriver();
   if (!pNoteDriver)
     return;
   pNoteDriver->SendEvent(pEvent);
 }
@@ skipping 174 matching lines @@
   }
 }
 
 void CFWL_WidgetImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {}
 
 void CFWL_WidgetImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
                                           const CFX_Matrix* pMatrix) {
   CFWL_EvtDraw evt;
   evt.m_pGraphics = pGraphics;
 }