Convert FWL_ERR into 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 58 matching lines @@
   delete m_pPictureBoxTP;
   delete m_pSrollBarTP;
   delete m_pEditTP;
   delete m_pComboBoxTP;
   delete m_pMonthCalendarTP;
   delete m_pDateTimePickerTP;
   delete m_pPushButtonTP;
   delete m_pCaretTP;
   delete m_pBarcodeTP;
 }
-FWL_ERR CXFA_FWLTheme::Initialize() {
+FWL_Error CXFA_FWLTheme::Initialize() {
   m_pTextOut = new CFDE_TextOut;
   for (size_t i = 0; !m_pCalendarFont && i < FX_ArraySize(g_FWLTheme_CalFonts);
        ++i) {
     m_pCalendarFont = IFX_Font::LoadFont(g_FWLTheme_CalFonts[i], 0, 0,
                                          m_pApp->GetFDEFontMgr());
   }
   if (!m_pCalendarFont) {
 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
     m_pCalendarFont = m_pApp->GetFDEFontMgr()->GetDefFontByCodePage(
         FX_CODEPAGE_MSWin_WesternEuropean, 0, NULL);
 #else
     m_pCalendarFont = m_pApp->GetFDEFontMgr()->GetFontByCodePage(
         FX_CODEPAGE_MSWin_WesternEuropean, 0, NULL);
 #endif
   }
 
   ASSERT(NULL != m_pCalendarFont);
   FWLTHEME_Init();
-  return FWL_ERR_Succeeded;
+  return FWL_Error::Succeeded;
 }
-FWL_ERR CXFA_FWLTheme::Finalize() {
+FWL_Error CXFA_FWLTheme::Finalize() {
   if (m_pTextOut) {
     m_pTextOut->Release();
     m_pTextOut = NULL;
   }
   if (m_pCalendarFont) {
     m_pCalendarFont->Release();
     m_pCalendarFont = NULL;
   }
   FWLTHEME_Release();
-  return FWL_ERR_Succeeded;
+  return FWL_Error::Succeeded;
 }
 FX_BOOL CXFA_FWLTheme::IsValidWidget(IFWL_Widget* pWidget) {
   return TRUE;
 }
 uint32_t CXFA_FWLTheme::GetThemeID(IFWL_Widget* pWidget) {
   return 0;
 }
 uint32_t CXFA_FWLTheme::SetThemeID(IFWL_Widget* pWidget,
                                    uint32_t dwThemeID,
                                    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_wsText.IsEmpty())
+    return FALSE;
+
   if (pParams->m_pWidget->GetClassID() == FWL_CLASSHASH_MonthCalendar) {
     CXFA_FFWidget* pWidget = XFA_ThemeGetOuterWidget(pParams->m_pWidget);
-    if (!pWidget) {
-      return FWL_ERR_Indefinite;
-    }
+    if (!pWidget)
+      return FALSE;
+
     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) &&
         !(pParams->m_dwStates & FWL_ITEMSTATE_MCD_Flag) &&
         (pParams->m_dwStates &
          (CFWL_PartState_Hovered | CFWL_PartState_Selected))) {
       m_pTextOut->SetTextColor(0xFFFFFFFF);
@@ skipping 14 matching lines @@
     CFX_Matrix* pMatrix = pGraphics->GetMatrix();
     if (pMatrix) {
       mtPart.Concat(*pMatrix);
     }
     m_pTextOut->SetMatrix(mtPart);
     m_pTextOut->DrawLogicText(pParams->m_wsText.c_str(),
                               pParams->m_wsText.GetLength(), pParams->m_rtPart);
     return TRUE;
   }
   CXFA_FFWidget* pWidget = XFA_ThemeGetOuterWidget(pParams->m_pWidget);
-  if (!pWidget) {
-    return FWL_ERR_Indefinite;
-  }
+  if (!pWidget)
+    return FALSE;
+
   CXFA_WidgetAcc* pAcc = pWidget->GetDataAcc();
   CFX_Graphics* pGraphics = pParams->m_pGraphics;
   CFX_RenderDevice* pRenderDevice = pGraphics->GetRenderDevice();
   if (!pRenderDevice)
     return FALSE;
   m_pTextOut->SetRenderDevice(pRenderDevice);
   m_pTextOut->SetStyles(pParams->m_dwTTOStyles);
   m_pTextOut->SetAlignment(pParams->m_iTTOAlign);
   m_pTextOut->SetFont(pAcc->GetFDEFont());
   m_pTextOut->SetFontSize(pAcc->GetFontSize());
@@ skipping 156 matching lines @@
       }
       if (!m_wsResource.IsEmpty())
         return &m_wsResource;
     }
   }
   return GetTheme(pThemePart->m_pWidget)->GetCapacity(pThemePart, dwCapacity);
 }
 FX_BOOL CXFA_FWLTheme::IsCustomizedLayout(IFWL_Widget* pWidget) {
   return GetTheme(pWidget)->IsCustomizedLayout(pWidget);
 }
-FWL_ERR CXFA_FWLTheme::GetPartRect(CFWL_ThemePart* pThemePart) {
+FWL_Error 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) {
     CXFA_FFWidget* pWidget = XFA_ThemeGetOuterWidget(pParams->m_pWidget);
-    if (!pWidget) {
-      return FWL_ERR_Indefinite;
-    }
+    if (!pWidget)
+      return FALSE;
     if (!pParams)
       return FALSE;
     if (!m_pTextOut)
       return FALSE;
     m_pTextOut->SetFont(m_pCalendarFont);
     m_pTextOut->SetFontSize(FWLTHEME_CAPACITY_FontSize);
     m_pTextOut->SetTextColor(FWLTHEME_CAPACITY_TextColor);
     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;
   }
   CXFA_FFWidget* pWidget = XFA_ThemeGetOuterWidget(pParams->m_pWidget);
-  if (!pWidget) {
-    return FWL_ERR_Indefinite;
-  }
+  if (!pWidget)
+    return FALSE;
+
   CXFA_WidgetAcc* pAcc = pWidget->GetDataAcc();
   m_pTextOut->SetFont(pAcc->GetFDEFont());
   m_pTextOut->SetFontSize(pAcc->GetFontSize());
   m_pTextOut->SetTextColor(pAcc->GetTextColor());
   if (!pParams)
     return FALSE;
   if (!m_pTextOut)
     return FALSE;
   m_pTextOut->SetAlignment(pParams->m_iTTOAlign);
   m_pTextOut->SetStyles(pParams->m_dwTTOStyles);
@@ skipping 94 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);
 }