Cleanup unused methods and return values in FWL code.

xfa/fwl/theme/cfwl_pushbuttontp.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/theme/cfwl_pushbuttontp.h"
 
 #include "xfa/fwl/core/cfwl_themebackground.h"
 #include "xfa/fwl/core/ifwl_pushbutton.h"
@@ skipping 11 matching lines @@
 CFWL_PushButtonTP::~CFWL_PushButtonTP() {}
 
 bool CFWL_PushButtonTP::IsValidWidget(IFWL_Widget* pWidget) {
   return pWidget && pWidget->GetClassID() == FWL_Type::PushButton;
 }
 uint32_t CFWL_PushButtonTP::SetThemeID(IFWL_Widget* pWidget,
                                        uint32_t dwThemeID) {
   SetThemeData(FWL_GetThemeColor(dwThemeID));
   return CFWL_WidgetTP::SetThemeID(pWidget, dwThemeID);
 }
-FX_BOOL CFWL_PushButtonTP::DrawBackground(CFWL_ThemeBackground* pParams) {
+
+void CFWL_PushButtonTP::DrawBackground(CFWL_ThemeBackground* pParams) {
   switch (pParams->m_iPart) {
     case CFWL_Part::Border: {
       DrawBorder(pParams->m_pGraphics, &pParams->m_rtPart, &pParams->m_matrix);
       break;
     }
     case CFWL_Part::Edge: {
       DrawEdge(pParams->m_pGraphics, pParams->m_pWidget->GetStyles(),
                &pParams->m_rtPart, &pParams->m_matrix);
       break;
     }
@@ skipping 37 matching lines @@
       CFX_Color crFill(m_pThemeData->clrFill[iColor]);
       pGraphics->SetFillColor(&crFill);
       pGraphics->FillPath(&fillPath, FXFILL_WINDING, &pParams->m_matrix);
       if (pParams->m_dwStates & CFWL_PartState_Focused) {
         rtInner.Inflate(1, 1, 0, 0);
         DrawFocus(pGraphics, &rtInner, &pParams->m_matrix);
       }
       pGraphics->RestoreGraphState();
       break;
     }
-    default: {}
+    default:
+      break;
   }
-  return TRUE;
 }
+
 void* CFWL_PushButtonTP::GetCapacity(CFWL_ThemePart* pThemePart,
                                      CFWL_WidgetCapacity dwCapacity) {
   if (dwCapacity == CFWL_WidgetCapacity::Margin) {
     m_fValue = 0;
     return &m_fValue;
   }
   return CFWL_WidgetTP::GetCapacity(pThemePart, dwCapacity);
 }
-FWL_Error CFWL_PushButtonTP::Initialize() {
+
+void CFWL_PushButtonTP::Initialize() {
   InitTTO();
-  return CFWL_WidgetTP::Initialize();
+  CFWL_WidgetTP::Initialize();
 }
-FWL_Error CFWL_PushButtonTP::Finalize() {
+
+void CFWL_PushButtonTP::Finalize() {
   FinalizeTTO();
-  return CFWL_WidgetTP::Finalize();
+  CFWL_WidgetTP::Finalize();
 }
+
 void CFWL_PushButtonTP::SetThemeData(uint32_t dwID) {
   if (dwID) {
     m_pThemeData->clrBorder[0] = ArgbEncode(255, 55, 98, 6);
     m_pThemeData->clrBorder[1] = ArgbEncode(255, 55, 98, 6);
     m_pThemeData->clrBorder[2] = ArgbEncode(255, 55, 98, 6);
     m_pThemeData->clrBorder[3] = ArgbEncode(255, 55, 98, 6);
     m_pThemeData->clrBorder[4] = ArgbEncode(255, 172, 168, 153);
     m_pThemeData->clrStart[0] = ArgbEncode(255, 255, 255, 246);
     m_pThemeData->clrStart[1] = ArgbEncode(255, 223, 205, 180);
     m_pThemeData->clrStart[2] = ArgbEncode(255, 252, 197, 149);
@@ skipping 25 matching lines @@
     m_pThemeData->clrEnd[2] = ArgbEncode(255, 229, 151, 0);
     m_pThemeData->clrEnd[3] = ArgbEncode(255, 105, 130, 238);
     m_pThemeData->clrEnd[4] = ArgbEncode(255, 245, 244, 234);
     m_pThemeData->clrFill[0] = ArgbEncode(255, 255, 255, 255);
     m_pThemeData->clrFill[1] = ArgbEncode(255, 226, 225, 218);
     m_pThemeData->clrFill[2] = ArgbEncode(255, 255, 255, 255);
     m_pThemeData->clrFill[3] = ArgbEncode(255, 255, 255, 255);
     m_pThemeData->clrFill[4] = ArgbEncode(255, 245, 244, 234);
   }
 }
+
 int32_t CFWL_PushButtonTP::GetColorID(uint32_t dwStates) const {
   int32_t color = 0;
   if (dwStates & CFWL_PartState_Disabled)
     color += 4;
   if (dwStates & CFWL_PartState_Default) {
     color += 3;
   } else {
     if (dwStates & CFWL_PartState_Hovered)
       color += 2;
     if (dwStates & CFWL_PartState_Pressed)
       color += 1;
   }
   return color;
 }