Remove CLASSHASH defines in favour of an enum class.

xfa/fxfa/app/xfa_fwltheme.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/fxfa/app/xfa_fwltheme.h"
 
 #include "xfa/fde/tto/fde_textout.h"
 #include "xfa/fgas/crt/fgas_codepage.h"
@@ skipping 109 matching lines @@
                                    FX_BOOL bChildren) {
   return 0;
 }
 FX_BOOL CXFA_FWLTheme::DrawBackground(CFWL_ThemeBackground* pParams) {
   return GetTheme(pParams->m_pWidget)->DrawBackground(pParams);
 }
 FX_BOOL CXFA_FWLTheme::DrawText(CFWL_ThemeText* pParams) {
   if (pParams->m_wsText.IsEmpty()) {
     return FWL_ERR_Indefinite;
   }
-  if (pParams->m_pWidget->GetClassID() == FWL_CLASSHASH_MonthCalendar) {
+  if (pParams->m_pWidget->GetClassID() == FWL_Type::MonthCalendar) {
     CXFA_FFWidget* pWidget = XFA_ThemeGetOuterWidget(pParams->m_pWidget);
     if (!pWidget) {
       return FWL_ERR_Indefinite;
     }
     m_pTextOut->SetStyles(pParams->m_dwTTOStyles);
     m_pTextOut->SetAlignment(pParams->m_iTTOAlign);
     m_pTextOut->SetFont(m_pCalendarFont);
     m_pTextOut->SetFontSize(FWLTHEME_CAPACITY_FontSize);
     m_pTextOut->SetTextColor(FWLTHEME_CAPACITY_TextColor);
     if ((pParams->m_iPart == CFWL_Part::DatesIn) &&
@@ skipping 117 matching lines @@
           m_SizeAboveBelow.y = para.GetSpaceBelow();
         }
       }
       return &m_SizeAboveBelow;
     } break;
     default:
       break;
   }
 
   int dwCapValue = static_cast<int>(dwCapacity);
-  if (pThemePart->m_pWidget->GetClassID() == FWL_CLASSHASH_MonthCalendar &&
+  if (pThemePart->m_pWidget->GetClassID() == FWL_Type::MonthCalendar &&
       dwCapValue >= static_cast<int>(CFWL_WidgetCapacity::Today) &&
       dwCapValue <= static_cast<int>(CFWL_WidgetCapacity::December)) {
     if (CXFA_FFWidget* pWidget =
             XFA_ThemeGetOuterWidget(pThemePart->m_pWidget)) {
       IXFA_AppProvider* pAppProvider = pWidget->GetAppProvider();
       m_wsResource.clear();
       switch (dwCapacity) {
         case CFWL_WidgetCapacity::Sun:
           pAppProvider->LoadString(XFA_IDS_StringWeekDay_Sun, m_wsResource);
           break;
@@ skipping 69 matching lines @@
 FWL_ERR CXFA_FWLTheme::GetPartRect(CFWL_ThemePart* pThemePart) {
   CFX_RectF rect;
   return GetTheme(pThemePart->m_pWidget)->GetPartRect(pThemePart, rect);
 }
 FX_BOOL CXFA_FWLTheme::IsInPart(CFWL_ThemePart* pThemePart,
                                 FX_FLOAT fx,
                                 FX_FLOAT fy) {
   return GetTheme(pThemePart->m_pWidget)->IsInPart(pThemePart, fx, fy);
 }
 FX_BOOL CXFA_FWLTheme::CalcTextRect(CFWL_ThemeText* pParams, CFX_RectF& rect) {
-  if (pParams->m_pWidget->GetClassID() == FWL_CLASSHASH_MonthCalendar) {
+  if (pParams->m_pWidget->GetClassID() == FWL_Type::MonthCalendar) {
     CXFA_FFWidget* pWidget = XFA_ThemeGetOuterWidget(pParams->m_pWidget);
     if (!pWidget) {
       return FWL_ERR_Indefinite;
     }
     if (!pParams)
       return FALSE;
     if (!m_pTextOut)
       return FALSE;
     m_pTextOut->SetFont(m_pCalendarFont);
     m_pTextOut->SetFontSize(FWLTHEME_CAPACITY_FontSize);
@@ skipping 17 matching lines @@
   if (!m_pTextOut)
     return FALSE;
   m_pTextOut->SetAlignment(pParams->m_iTTOAlign);
   m_pTextOut->SetStyles(pParams->m_dwTTOStyles);
   m_pTextOut->CalcLogicSize(pParams->m_wsText.c_str(),
                             pParams->m_wsText.GetLength(), rect);
   return TRUE;
 }
 CFWL_WidgetTP* CXFA_FWLTheme::GetTheme(IFWL_Widget* pWidget) {
   switch (pWidget->GetClassID()) {
-    case FWL_CLASSHASH_CheckBox:
+    case FWL_Type::CheckBox:
       return m_pCheckBoxTP;
-    case FWL_CLASSHASH_ListBox:
+    case FWL_Type::ListBox:
       return m_pListBoxTP;
-    case FWL_CLASSHASH_PictureBox:
+    case FWL_Type::PictureBox:
       return m_pPictureBoxTP;
-    case FWL_CLASSHASH_ScrollBar:
+    case FWL_Type::ScrollBar:
       return m_pSrollBarTP;
-    case FWL_CLASSHASH_Edit:
+    case FWL_Type::Edit:
       return m_pEditTP;
-    case FWL_CLASSHASH_ComboBox:
+    case FWL_Type::ComboBox:
       return m_pComboBoxTP;
-    case FWL_CLASSHASH_MonthCalendar:
+    case FWL_Type::MonthCalendar:
       return m_pMonthCalendarTP;
-    case FWL_CLASSHASH_DateTimePicker:
+    case FWL_Type::DateTimePicker:
       return m_pDateTimePickerTP;
-    case FWL_CLASSHASH_PushButton:
+    case FWL_Type::PushButton:
       return m_pPushButtonTP;
-    case FWL_CLASSHASH_Caret:
+    case FWL_Type::Caret:
       return m_pCaretTP;
-    case FWL_CLASSHASH_Barcode:
+    case FWL_Type::Barcode:
       return m_pBarcodeTP;
     default:
-      break;
+      return nullptr;
   }
-  return NULL;
 }
 CXFA_FWLCheckBoxTP::CXFA_FWLCheckBoxTP() {}
 FX_BOOL CXFA_FWLCheckBoxTP::DrawBackground(CFWL_ThemeBackground* pParams) {
   if (pParams->m_iPart != CFWL_Part::CheckBox) {
     return TRUE;
   }
   if ((pParams->m_dwStates & CFWL_PartState_Checked) ||
       (pParams->m_dwStates & CFWL_PartState_Neutral)) {
     DrawCheckSign(pParams->m_pWidget, pParams->m_pGraphics, &pParams->m_rtPart,
                   pParams->m_dwStates, &pParams->m_matrix);
@@ skipping 52 matching lines @@
       }
     }
     CFX_Color crLine(cr);
     pParams->m_pGraphics->SetStrokeColor(&crLine);
     pParams->m_pGraphics->SetLineWidth(fWidth);
     pParams->m_pGraphics->StrokePath(pParams->m_pPath, &pParams->m_matrix);
     return TRUE;
   }
   return CFWL_EditTP::DrawBackground(pParams);
 }