Remove DataProvider from CFWL_WidgetProperties

xfa/fwl/core/ifwl_checkbox.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_checkbox.h"
 
 #include <algorithm>
 #include <memory>
@@ skipping 39 matching lines @@
   if (!bAutoSize) {
     rect = m_pProperties->m_rtWidget;
     return;
   }
 
   rect.Set(0, 0, 0, 0);
   if (!m_pProperties->m_pThemeProvider)
     m_pProperties->m_pThemeProvider = GetAvailableTheme();
   if (!m_pProperties->m_pThemeProvider)
     return;
-  if (!m_pProperties->m_pDataProvider)
-    return;
 
   CFX_SizeF sz = CalcTextSize(
       L"Check box", m_pProperties->m_pThemeProvider,
       !!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_MultiLine));
   rect.Set(0, 0, sz.x, sz.y);
   rect.Inflate(kCaptionMargin, kCaptionMargin);
 
-  IFWL_CheckBox::DataProvider* pData =
-      static_cast<IFWL_CheckBox::DataProvider*>(m_pProperties->m_pDataProvider);
-  FX_FLOAT fCheckBox = pData->GetBoxSize(this);
+  FX_FLOAT fCheckBox = m_pDataProvider->GetBoxSize(this);
   rect.width += fCheckBox;
   rect.height = std::max(rect.height, fCheckBox);
   IFWL_Widget::GetWidgetRect(rect, true);
 }
 
 void IFWL_CheckBox::Update() {
   if (IsLocked())
     return;
   if (!m_pProperties->m_pThemeProvider)
     m_pProperties->m_pThemeProvider = GetAvailableTheme();
@@ skipping 28 matching lines @@
     param.m_matrix.Concat(*pMatrix);
   param.m_rtPart = m_rtClient;
   if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused)
     param.m_pData = &m_rtFocus;
   pTheme->DrawBackground(&param);
 
   param.m_iPart = CFWL_Part::CheckBox;
   param.m_rtPart = m_rtBox;
   pTheme->DrawBackground(&param);
 
-  if (!m_pProperties->m_pDataProvider)
-    return;
-
   CFWL_ThemeText textParam;
   textParam.m_pWidget = this;
   textParam.m_iPart = CFWL_Part::Caption;
   textParam.m_dwStates = dwStates;
   textParam.m_pGraphics = pGraphics;
   if (pMatrix)
     textParam.m_matrix.Concat(*pMatrix);
   textParam.m_rtPart = m_rtCaption;
   textParam.m_wsText = L"Check box";
   textParam.m_dwTTOStyles = m_dwTTOStyles;
@@ skipping 17 matching lines @@
   Repaint(&m_rtClient);
 }
 
 void IFWL_CheckBox::Layout() {
   m_pProperties->m_rtWidget.width =
       FXSYS_round(m_pProperties->m_rtWidget.width);
   m_pProperties->m_rtWidget.height =
       FXSYS_round(m_pProperties->m_rtWidget.height);
   GetClientRect(m_rtClient);
 
-  if (!m_pProperties->m_pDataProvider)
-    return;
-
   FX_FLOAT fBoxTop = m_rtClient.top;
   FX_FLOAT fClientBottom = m_rtClient.bottom();
 
-  IFWL_CheckBox::DataProvider* pData =
-      static_cast<IFWL_CheckBox::DataProvider*>(m_pProperties->m_pDataProvider);
-  FX_FLOAT fCheckBox = pData->GetBoxSize(this);
+  FX_FLOAT fCheckBox = m_pDataProvider->GetBoxSize(this);
   switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_VLayoutMask) {
     case FWL_STYLEEXT_CKB_Top:
       break;
     case FWL_STYLEEXT_CKB_Bottom: {
       fBoxTop = fClientBottom - fCheckBox;
       break;
     }
     case FWL_STYLEEXT_CKB_VCenter:
     default: {
       fBoxTop = m_rtClient.top + (m_rtClient.height - fCheckBox) / 2;
@@ skipping 307 matching lines @@
 void IFWL_CheckBox::OnKeyDown(CFWL_MsgKey* pMsg) {
   if (pMsg->m_dwKeyCode == FWL_VKEY_Tab) {
     DispatchKeyEvent(pMsg);
     return;
   }
   if (pMsg->m_dwKeyCode == FWL_VKEY_Return ||
       pMsg->m_dwKeyCode == FWL_VKEY_Space) {
     NextStates();
   }
 }