Merge the CFWL_*Imp classes into the IFWL_* classes.

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/basewidget/fwl_checkboximp.h"
+#include "xfa/fwl/core/ifwl_checkbox.h"
 
 #include <algorithm>
 
 #include "xfa/fde/tto/fde_textout.h"
-#include "xfa/fwl/basewidget/ifwl_checkbox.h"
 #include "xfa/fwl/core/cfwl_message.h"
 #include "xfa/fwl/core/cfwl_themebackground.h"
 #include "xfa/fwl/core/cfwl_themetext.h"
 #include "xfa/fwl/core/cfwl_widgetmgr.h"
 #include "xfa/fwl/core/fwl_noteimp.h"
-#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/fwl/core/ifwl_checkbox.h"
 #include "xfa/fwl/core/ifwl_themeprovider.h"
 
 namespace {
 
 const int kCaptionMargin = 5;
 
 }  // namespace
 
 // static
 IFWL_CheckBox* IFWL_CheckBox::Create(const CFWL_WidgetImpProperties& properties,
                                      IFWL_Widget* pOuter) {
-  IFWL_CheckBox* pCheckBox = new IFWL_CheckBox;
-  CFWL_CheckBoxImp* pCheckBoxImpl = new CFWL_CheckBoxImp(properties, pOuter);
-  pCheckBox->SetImpl(pCheckBoxImpl);
-  pCheckBoxImpl->SetInterface(pCheckBox);
-  return pCheckBox;
-}
-IFWL_CheckBox::IFWL_CheckBox() {}
-int32_t IFWL_CheckBox::GetCheckState() {
-  return static_cast<CFWL_CheckBoxImp*>(GetImpl())->GetCheckState();
-}
-FWL_Error IFWL_CheckBox::SetCheckState(int32_t iCheck) {
-  return static_cast<CFWL_CheckBoxImp*>(GetImpl())->SetCheckState(iCheck);
+  return new IFWL_CheckBox(properties, pOuter);
 }
 
-CFWL_CheckBoxImp::CFWL_CheckBoxImp(const CFWL_WidgetImpProperties& properties,
-                                   IFWL_Widget* pOuter)
-    : CFWL_WidgetImp(properties, pOuter),
+IFWL_CheckBox::IFWL_CheckBox(const CFWL_WidgetImpProperties& properties,
+                             IFWL_Widget* pOuter)
+    : IFWL_Widget(properties, pOuter),
       m_dwTTOStyles(FDE_TTOSTYLE_SingleLine),
       m_iTTOAlign(FDE_TTOALIGNMENT_Center),
       m_bBtnDown(FALSE) {
   m_rtClient.Reset();
   m_rtBox.Reset();
   m_rtCaption.Reset();
   m_rtFocus.Reset();
 }
 
-CFWL_CheckBoxImp::~CFWL_CheckBoxImp() {}
+IFWL_CheckBox::~IFWL_CheckBox() {}
 
-FWL_Error CFWL_CheckBoxImp::GetClassName(CFX_WideString& wsClass) const {
+FWL_Error IFWL_CheckBox::GetClassName(CFX_WideString& wsClass) const {
   wsClass = FWL_CLASS_CheckBox;
   return FWL_Error::Succeeded;
 }
 
-FWL_Type CFWL_CheckBoxImp::GetClassID() const {
+FWL_Type IFWL_CheckBox::GetClassID() const {
   return FWL_Type::CheckBox;
 }
 
-FWL_Error CFWL_CheckBoxImp::Initialize() {
-  if (CFWL_WidgetImp::Initialize() != FWL_Error::Succeeded)
+FWL_Error IFWL_CheckBox::Initialize() {
+  if (IFWL_Widget::Initialize() != FWL_Error::Succeeded)
     return FWL_Error::Indefinite;
 
   m_pDelegate = new CFWL_CheckBoxImpDelegate(this);
   return FWL_Error::Succeeded;
 }
 
-FWL_Error CFWL_CheckBoxImp::Finalize() {
+FWL_Error IFWL_CheckBox::Finalize() {
   delete m_pDelegate;
   m_pDelegate = nullptr;
-  return CFWL_WidgetImp::Finalize();
+  return IFWL_Widget::Finalize();
 }
-FWL_Error CFWL_CheckBoxImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
+
+FWL_Error IFWL_CheckBox::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
   if (bAutoSize) {
     rect.Set(0, 0, 0, 0);
     if (!m_pProperties->m_pThemeProvider)
       m_pProperties->m_pThemeProvider = GetAvailableTheme();
     if (!m_pProperties->m_pThemeProvider)
       return FWL_Error::Indefinite;
     if (!m_pProperties->m_pDataProvider)
       return FWL_Error::Indefinite;
     CFX_WideString wsCaption;
-    m_pProperties->m_pDataProvider->GetCaption(m_pInterface, wsCaption);
+    m_pProperties->m_pDataProvider->GetCaption(this, wsCaption);
     if (wsCaption.GetLength() > 0) {
       CFX_SizeF sz = CalcTextSize(
           wsCaption, 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_CheckBoxDP* pData =
         static_cast<IFWL_CheckBoxDP*>(m_pProperties->m_pDataProvider);
-    FX_FLOAT fCheckBox = pData->GetBoxSize(m_pInterface);
+    FX_FLOAT fCheckBox = pData->GetBoxSize(this);
     rect.width += fCheckBox;
     if (rect.height < fCheckBox) {
       rect.height = fCheckBox;
     }
-    CFWL_WidgetImp::GetWidgetRect(rect, TRUE);
+    IFWL_Widget::GetWidgetRect(rect, TRUE);
   } else {
     rect = m_pProperties->m_rtWidget;
   }
   return FWL_Error::Succeeded;
 }
-FWL_Error CFWL_CheckBoxImp::Update() {
+
+FWL_Error IFWL_CheckBox::Update() {
   if (IsLocked()) {
     return FWL_Error::Indefinite;
   }
   if (!m_pProperties->m_pThemeProvider) {
     m_pProperties->m_pThemeProvider = GetAvailableTheme();
   }
   UpdateTextOutStyles();
   Layout();
   return FWL_Error::Succeeded;
 }
-FWL_Error CFWL_CheckBoxImp::DrawWidget(CFX_Graphics* pGraphics,
-                                       const CFX_Matrix* pMatrix) {
+
+FWL_Error IFWL_CheckBox::DrawWidget(CFX_Graphics* pGraphics,
+                                    const CFX_Matrix* pMatrix) {
   if (!pGraphics)
     return FWL_Error::Indefinite;
   if (!m_pProperties->m_pThemeProvider)
     return FWL_Error::Indefinite;
   IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
   if (HasBorder()) {
     DrawBorder(pGraphics, CFWL_Part::Border, m_pProperties->m_pThemeProvider,
                pMatrix);
   }
   if (HasEdge()) {
     DrawEdge(pGraphics, CFWL_Part::Edge, pTheme, pMatrix);
   }
   int32_t dwStates = GetPartStates();
   {
     CFWL_ThemeBackground param;
-    param.m_pWidget = m_pInterface;
+    param.m_pWidget = this;
     param.m_iPart = CFWL_Part::Background;
     param.m_dwStates = dwStates;
     param.m_pGraphics = pGraphics;
     if (pMatrix) {
       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 FWL_Error::Indefinite;
   {
     CFX_WideString wsCaption;
-    m_pProperties->m_pDataProvider->GetCaption(m_pInterface, wsCaption);
+    m_pProperties->m_pDataProvider->GetCaption(this, wsCaption);
     int32_t iLen = wsCaption.GetLength();
     if (iLen <= 0)
       return FWL_Error::Indefinite;
     CFWL_ThemeText textParam;
-    textParam.m_pWidget = m_pInterface;
+    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 = wsCaption;
     textParam.m_dwTTOStyles = m_dwTTOStyles;
     textParam.m_iTTOAlign = m_iTTOAlign;
     pTheme->DrawText(&textParam);
   }
   return FWL_Error::Succeeded;
 }
-int32_t CFWL_CheckBoxImp::GetCheckState() {
+
+int32_t IFWL_CheckBox::GetCheckState() {
   if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_3State) &&
       ((m_pProperties->m_dwStates & FWL_STATE_CKB_CheckMask) ==
        FWL_STATE_CKB_Neutral)) {
     return 2;
   }
   if ((m_pProperties->m_dwStates & FWL_STATE_CKB_CheckMask) ==
       FWL_STATE_CKB_Checked) {
     return 1;
   }
   return 0;
 }
-FWL_Error CFWL_CheckBoxImp::SetCheckState(int32_t iCheck) {
+
+FWL_Error IFWL_CheckBox::SetCheckState(int32_t iCheck) {
   m_pProperties->m_dwStates &= ~FWL_STATE_CKB_CheckMask;
   switch (iCheck) {
     case 0: {
       break;
     }
     case 1: {
       m_pProperties->m_dwStates |= FWL_STATE_CKB_Checked;
       break;
     }
     case 2: {
       if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_3State) {
         m_pProperties->m_dwStates |= FWL_STATE_CKB_Neutral;
       }
       break;
     }
     default: {}
   }
   Repaint(&m_rtClient);
   return FWL_Error::Succeeded;
 }
-void CFWL_CheckBoxImp::Layout() {
+
+void IFWL_CheckBox::Layout() {
   int32_t width = int32_t(m_pProperties->m_rtWidget.width + 0.5f);
   int32_t height = int32_t(m_pProperties->m_rtWidget.height + 0.5f);
   m_pProperties->m_rtWidget.width = (FX_FLOAT)width;
   m_pProperties->m_rtWidget.height = (FX_FLOAT)height;
   GetClientRect(m_rtClient);
   FX_FLOAT fBoxTop = m_rtClient.top;
   FX_FLOAT fBoxLeft = m_rtClient.left;
   FX_FLOAT fTextLeft = 0.0, fTextRight = 0.0;
   FX_FLOAT fClientRight = m_rtClient.right();
   FX_FLOAT fClientBottom = m_rtClient.bottom();
   if (!m_pProperties->m_pDataProvider)
     return;
   IFWL_CheckBoxDP* pData =
       static_cast<IFWL_CheckBoxDP*>(m_pProperties->m_pDataProvider);
-  FX_FLOAT fCheckBox = pData->GetBoxSize(m_pInterface);
+  FX_FLOAT fCheckBox = pData->GetBoxSize(this);
   switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_VLayoutMask) {
     case FWL_STYLEEXT_CKB_Top: {
       fBoxTop = m_rtClient.top;
       break;
     }
     case FWL_STYLEEXT_CKB_Bottom: {
       fBoxTop = fClientBottom - fCheckBox;
       break;
     }
     case FWL_STYLEEXT_CKB_VCenter:
@@ skipping 11 matching lines @@
     fTextRight = fClientRight;
   }
   m_rtBox.Set(fBoxLeft, fBoxTop, fCheckBox, fCheckBox);
   m_rtCaption.Set(fTextLeft, m_rtClient.top, fTextRight - fTextLeft,
                   m_rtClient.height);
   m_rtCaption.Inflate(-kCaptionMargin, -kCaptionMargin);
   CFX_RectF rtFocus;
   rtFocus.Set(m_rtCaption.left, m_rtCaption.top, m_rtCaption.width,
               m_rtCaption.height);
   CFX_WideString wsCaption;
-  m_pProperties->m_pDataProvider->GetCaption(m_pInterface, wsCaption);
+  m_pProperties->m_pDataProvider->GetCaption(this, wsCaption);
   if (wsCaption.IsEmpty()) {
     m_rtFocus.Set(0, 0, 0, 0);
   } else {
     CalcTextRect(wsCaption, m_pProperties->m_pThemeProvider, m_dwTTOStyles,
                  m_iTTOAlign, rtFocus);
     if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_MultiLine) == 0) {
       FX_FLOAT fWidth = std::max(m_rtCaption.width, rtFocus.width);
       FX_FLOAT fHeight = std::min(m_rtCaption.height, rtFocus.height);
       FX_FLOAT fLeft = m_rtCaption.left;
       FX_FLOAT fTop = m_rtCaption.top;
@@ skipping 11 matching lines @@
                   FWL_STYLEEXT_CKB_VLayoutMask) == FWL_STYLEEXT_CKB_Bottom) {
         fTop = m_rtCaption.bottom() - fHeight;
       }
       m_rtFocus.Set(fLeft, fTop, fWidth, fHeight);
     } else {
       m_rtFocus.Set(rtFocus.left, rtFocus.top, rtFocus.width, rtFocus.height);
     }
     m_rtFocus.Inflate(1, 1);
   }
 }
-uint32_t CFWL_CheckBoxImp::GetPartStates() {
+
+uint32_t IFWL_CheckBox::GetPartStates() {
   int32_t dwStates = CFWL_PartState_Normal;
   if ((m_pProperties->m_dwStates & FWL_STATE_CKB_CheckMask) ==
       FWL_STATE_CKB_Neutral) {
     dwStates = CFWL_PartState_Neutral;
   } else if ((m_pProperties->m_dwStates & FWL_STATE_CKB_CheckMask) ==
              FWL_STATE_CKB_Checked) {
     dwStates = CFWL_PartState_Checked;
   }
   if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) {
     dwStates |= CFWL_PartState_Disabled;
   } else if (m_pProperties->m_dwStates & FWL_STATE_CKB_Hovered) {
     dwStates |= CFWL_PartState_Hovered;
   } else if (m_pProperties->m_dwStates & FWL_STATE_CKB_Pressed) {
     dwStates |= CFWL_PartState_Pressed;
   } else {
     dwStates |= CFWL_PartState_Normal;
   }
   if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) {
     dwStates |= CFWL_PartState_Focused;
   }
   return dwStates;
 }
-void CFWL_CheckBoxImp::UpdateTextOutStyles() {
+
+void IFWL_CheckBox::UpdateTextOutStyles() {
   m_iTTOAlign = FDE_TTOALIGNMENT_Center;
   switch (m_pProperties->m_dwStyleExes &
           (FWL_STYLEEXT_CKB_HLayoutMask | FWL_STYLEEXT_CKB_VLayoutMask)) {
     case FWL_STYLEEXT_CKB_Left | FWL_STYLEEXT_CKB_Top: {
       m_iTTOAlign = FDE_TTOALIGNMENT_TopLeft;
       break;
     }
     case FWL_STYLEEXT_CKB_Center | FWL_STYLEEXT_CKB_Top: {
       m_iTTOAlign = FDE_TTOALIGNMENT_TopCenter;
       break;
@@ skipping 31 matching lines @@
   m_dwTTOStyles = 0;
   if (m_pProperties->m_dwStyleExes & FWL_WGTSTYLE_RTLReading) {
     m_dwTTOStyles |= FDE_TTOSTYLE_RTL;
   }
   if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_MultiLine) {
     m_dwTTOStyles |= FDE_TTOSTYLE_LineWrap;
   } else {
     m_dwTTOStyles |= FDE_TTOSTYLE_SingleLine;
   }
 }
-void CFWL_CheckBoxImp::NextStates() {
+
+void IFWL_CheckBox::NextStates() {
   uint32_t dwFirststate = m_pProperties->m_dwStates;
   if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_RadioButton) {
     if ((m_pProperties->m_dwStates & FWL_STATE_CKB_CheckMask) ==
         FWL_STATE_CKB_Unchecked) {
       CFWL_WidgetMgr* pWidgetMgr = CFWL_WidgetMgr::GetInstance();
       if (!pWidgetMgr->IsFormDisabled()) {
         CFX_ArrayTemplate<IFWL_Widget*> radioarr;
-        pWidgetMgr->GetSameGroupRadioButton(m_pInterface, radioarr);
+        pWidgetMgr->GetSameGroupRadioButton(this, radioarr);
         IFWL_CheckBox* pCheckBox = nullptr;
         int32_t iCount = radioarr.GetSize();
         for (int32_t i = 0; i < iCount; i++) {
           pCheckBox = static_cast<IFWL_CheckBox*>(radioarr[i]);
-          if (pCheckBox != m_pInterface &&
+          if (pCheckBox != this &&
               pCheckBox->GetStates() & FWL_STATE_CKB_Checked) {
             pCheckBox->SetCheckState(0);
             CFX_RectF rt;
             pCheckBox->GetWidgetRect(rt);
             rt.left = rt.top = 0;
             m_pWidgetMgr->RepaintWidget(pCheckBox, &rt);
             break;
           }
         }
       }
@@ skipping 14 matching lines @@
         m_pProperties->m_dwStates |= FWL_STATE_CKB_Neutral;
       } else {
         m_pProperties->m_dwStates |= FWL_STATE_CKB_Checked;
       }
     }
   }
   Repaint(&m_rtClient);
   uint32_t dwLaststate = m_pProperties->m_dwStates;
   if (dwFirststate != dwLaststate) {
     CFWL_EvtCkbCheckStateChanged wmCheckBoxState;
-    wmCheckBoxState.m_pSrcTarget = m_pInterface;
+    wmCheckBoxState.m_pSrcTarget = this;
     DispatchEvent(&wmCheckBoxState);
   }
 }
-CFWL_CheckBoxImpDelegate::CFWL_CheckBoxImpDelegate(CFWL_CheckBoxImp* pOwner)
+
+CFWL_CheckBoxImpDelegate::CFWL_CheckBoxImpDelegate(IFWL_CheckBox* pOwner)
     : m_pOwner(pOwner) {}
 
 void CFWL_CheckBoxImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
   if (!pMessage)
     return;
 
   switch (pMessage->GetClassID()) {
     case CFWL_MessageType::Activate: {
       OnActivate(pMessage);
       break;
@@ skipping 29 matching lines @@
           break;
       }
       break;
     }
     case CFWL_MessageType::Key: {
       CFWL_MsgKey* pKey = static_cast<CFWL_MsgKey*>(pMessage);
       if (pKey->m_dwCmd == FWL_KeyCommand::KeyDown)
         OnKeyDown(pKey);
       break;
     }
-    default: {
-      break;
-    }
+    default: { break; }
   }
 
   CFWL_WidgetImpDelegate::OnProcessMessage(pMessage);
 }
 
 void CFWL_CheckBoxImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
                                             const CFX_Matrix* pMatrix) {
   m_pOwner->DrawWidget(pGraphics, pMatrix);
 }
 
 void CFWL_CheckBoxImpDelegate::OnActivate(CFWL_Message* pMsg) {
   m_pOwner->m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Deactivated;
   m_pOwner->Repaint(&(m_pOwner->m_rtClient));
 }
+
 void CFWL_CheckBoxImpDelegate::OnFocusChanged(CFWL_Message* pMsg,
                                               FX_BOOL bSet) {
   if (bSet) {
     m_pOwner->m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
   } else {
     m_pOwner->m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused;
   }
   m_pOwner->Repaint(&(m_pOwner->m_rtClient));
 }
+
 void CFWL_CheckBoxImpDelegate::OnLButtonDown(CFWL_MsgMouse* pMsg) {
   if (m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) {
     return;
   }
   if ((m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0) {
     m_pOwner->SetFocus(TRUE);
   }
   m_pOwner->m_bBtnDown = TRUE;
   m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_CKB_Hovered;
   m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_CKB_Pressed;
   m_pOwner->Repaint(&(m_pOwner->m_rtClient));
 }
+
 void CFWL_CheckBoxImpDelegate::OnLButtonUp(CFWL_MsgMouse* pMsg) {
   if (!m_pOwner->m_bBtnDown) {
     return;
   }
   m_pOwner->m_bBtnDown = FALSE;
   if (!m_pOwner->m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) {
     return;
   }
   m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_CKB_Hovered;
   m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_CKB_Pressed;
   m_pOwner->NextStates();
 }
+
 void CFWL_CheckBoxImpDelegate::OnMouseMove(CFWL_MsgMouse* pMsg) {
   if (m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) {
     return;
   }
   FX_BOOL bRepaint = FALSE;
   if (m_pOwner->m_bBtnDown) {
     if (m_pOwner->m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) {
       if ((m_pOwner->m_pProperties->m_dwStates & FWL_STATE_CKB_Pressed) == 0) {
         bRepaint = TRUE;
         m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_CKB_Pressed;
@@ skipping 17 matching lines @@
       if ((m_pOwner->m_pProperties->m_dwStates & FWL_STATE_CKB_Hovered) == 0) {
         bRepaint = TRUE;
         m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_CKB_Hovered;
       }
     }
   }
   if (bRepaint) {
     m_pOwner->Repaint(&(m_pOwner->m_rtBox));
   }
 }
+
 void CFWL_CheckBoxImpDelegate::OnMouseLeave(CFWL_MsgMouse* pMsg) {
   if (m_pOwner->m_bBtnDown) {
     m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_CKB_Hovered;
   } else {
     m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_CKB_Hovered;
   }
   m_pOwner->Repaint(&(m_pOwner->m_rtBox));
 }
+
 void CFWL_CheckBoxImpDelegate::OnKeyDown(CFWL_MsgKey* pMsg) {
   if (pMsg->m_dwKeyCode == FWL_VKEY_Tab) {
     m_pOwner->DispatchKeyEvent(pMsg);
     return;
   }
   if (pMsg->m_dwKeyCode == FWL_VKEY_Return ||
       pMsg->m_dwKeyCode == FWL_VKEY_Space) {
     m_pOwner->NextStates();
   }
 }