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

xfa/fwl/core/ifwl_pushbutton.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_pushbuttonimp.h"
+#include "xfa/fwl/core/ifwl_pushbutton.h"
 
 #include "xfa/fde/tto/fde_textout.h"
-#include "xfa/fwl/basewidget/ifwl_pushbutton.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/fwl_noteimp.h"
-#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/fwl/core/ifwl_pushbutton.h"
 #include "xfa/fwl/core/ifwl_themeprovider.h"
 
 // static
 IFWL_PushButton* IFWL_PushButton::Create(
     const CFWL_WidgetImpProperties& properties,
     IFWL_Widget* pOuter) {
-  IFWL_PushButton* pPushButton = new IFWL_PushButton;
-  CFWL_PushButtonImp* pPushButtonImpl =
-      new CFWL_PushButtonImp(properties, pOuter);
-  pPushButton->SetImpl(pPushButtonImpl);
-  pPushButtonImpl->SetInterface(pPushButton);
-  return pPushButton;
+  return new IFWL_PushButton(properties, pOuter);
 }
-IFWL_PushButton::IFWL_PushButton() {}
 
-CFWL_PushButtonImp::CFWL_PushButtonImp(
-    const CFWL_WidgetImpProperties& properties,
-    IFWL_Widget* pOuter)
-    : CFWL_WidgetImp(properties, pOuter),
+IFWL_PushButton::IFWL_PushButton(const CFWL_WidgetImpProperties& properties,
+                                 IFWL_Widget* pOuter)
+    : IFWL_Widget(properties, pOuter),
       m_bBtnDown(FALSE),
       m_dwTTOStyles(FDE_TTOSTYLE_SingleLine),
       m_iTTOAlign(FDE_TTOALIGNMENT_Center) {
   m_rtClient.Set(0, 0, 0, 0);
   m_rtCaption.Set(0, 0, 0, 0);
 }
 
-CFWL_PushButtonImp::~CFWL_PushButtonImp() {}
+IFWL_PushButton::~IFWL_PushButton() {}
 
-FWL_Error CFWL_PushButtonImp::GetClassName(CFX_WideString& wsClass) const {
+FWL_Error IFWL_PushButton::GetClassName(CFX_WideString& wsClass) const {
   wsClass = FWL_CLASS_PushButton;
   return FWL_Error::Succeeded;
 }
 
-FWL_Type CFWL_PushButtonImp::GetClassID() const {
+FWL_Type IFWL_PushButton::GetClassID() const {
   return FWL_Type::PushButton;
 }
 
-FWL_Error CFWL_PushButtonImp::Initialize() {
-  if (CFWL_WidgetImp::Initialize() != FWL_Error::Succeeded)
+FWL_Error IFWL_PushButton::Initialize() {
+  if (IFWL_Widget::Initialize() != FWL_Error::Succeeded)
     return FWL_Error::Indefinite;
 
   m_pDelegate = new CFWL_PushButtonImpDelegate(this);
   return FWL_Error::Succeeded;
 }
 
-FWL_Error CFWL_PushButtonImp::Finalize() {
+FWL_Error IFWL_PushButton::Finalize() {
   delete m_pDelegate;
   m_pDelegate = nullptr;
-  return CFWL_WidgetImp::Finalize();
+  return IFWL_Widget::Finalize();
 }
-FWL_Error CFWL_PushButtonImp::GetWidgetRect(CFX_RectF& rect,
-                                            FX_BOOL bAutoSize) {
+
+FWL_Error IFWL_PushButton::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();
     }
     CFX_WideString wsCaption;
     IFWL_PushButtonDP* pData =
         static_cast<IFWL_PushButtonDP*>(m_pProperties->m_pDataProvider);
     if (pData) {
-      pData->GetCaption(m_pInterface, wsCaption);
+      pData->GetCaption(this, wsCaption);
     }
     int32_t iLen = wsCaption.GetLength();
     if (iLen > 0) {
       CFX_SizeF sz = CalcTextSize(wsCaption, m_pProperties->m_pThemeProvider);
       rect.Set(0, 0, sz.x, sz.y);
     }
     FX_FLOAT* fcaption =
         static_cast<FX_FLOAT*>(GetThemeCapacity(CFWL_WidgetCapacity::Margin));
     rect.Inflate(*fcaption, *fcaption);
-    CFWL_WidgetImp::GetWidgetRect(rect, TRUE);
+    IFWL_Widget::GetWidgetRect(rect, TRUE);
   } else {
     rect = m_pProperties->m_rtWidget;
   }
   return FWL_Error::Succeeded;
 }
 
-void CFWL_PushButtonImp::SetStates(uint32_t dwStates, FX_BOOL bSet) {
+void IFWL_PushButton::SetStates(uint32_t dwStates, FX_BOOL bSet) {
   if ((dwStates & FWL_WGTSTATE_Disabled) && bSet) {
     m_pProperties->m_dwStates = FWL_WGTSTATE_Disabled;
     return;
   }
-  CFWL_WidgetImp::SetStates(dwStates, bSet);
+  IFWL_Widget::SetStates(dwStates, bSet);
 }
 
-FWL_Error CFWL_PushButtonImp::Update() {
+FWL_Error IFWL_PushButton::Update() {
   if (IsLocked()) {
     return FWL_Error::Indefinite;
   }
   if (!m_pProperties->m_pThemeProvider) {
     m_pProperties->m_pThemeProvider = GetAvailableTheme();
   }
   UpdateTextOutStyles();
   GetClientRect(m_rtClient);
   m_rtCaption = m_rtClient;
   FX_FLOAT* fcaption =
       static_cast<FX_FLOAT*>(GetThemeCapacity(CFWL_WidgetCapacity::Margin));
   m_rtCaption.Inflate(-*fcaption, -*fcaption);
   return FWL_Error::Succeeded;
 }
-FWL_Error CFWL_PushButtonImp::DrawWidget(CFX_Graphics* pGraphics,
-                                         const CFX_Matrix* pMatrix) {
+
+FWL_Error IFWL_PushButton::DrawWidget(CFX_Graphics* pGraphics,
+                                      const CFX_Matrix* pMatrix) {
   if (!pGraphics)
     return FWL_Error::Indefinite;
   if (!m_pProperties->m_pThemeProvider)
     return FWL_Error::Indefinite;
   IFWL_PushButtonDP* pData =
       static_cast<IFWL_PushButtonDP*>(m_pProperties->m_pDataProvider);
   CFX_DIBitmap* pPicture = nullptr;
   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, m_pProperties->m_pThemeProvider,
              pMatrix);
   }
   DrawBkground(pGraphics, m_pProperties->m_pThemeProvider, pMatrix);
   CFX_Matrix matrix;
   matrix.Concat(*pMatrix);
   FX_FLOAT iPicwidth = 0;
   FX_FLOAT ipicheight = 0;
   CFX_WideString wsCaption;
   if (pData) {
-    pData->GetCaption(m_pInterface, wsCaption);
+    pData->GetCaption(this, wsCaption);
   }
   CFX_RectF rtText;
   rtText.Set(0, 0, 0, 0);
   if (!wsCaption.IsEmpty()) {
     CalcTextRect(wsCaption, pTheme, 0, m_iTTOAlign, rtText);
   }
   switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_PSB_ModeMask) {
     case FWL_STYLEEXT_PSB_TextOnly:
       DrawText(pGraphics, m_pProperties->m_pThemeProvider, &matrix);
       break;
     case FWL_STYLEEXT_PSB_IconOnly:
       if (pData) {
-        pPicture = pData->GetPicture(m_pInterface);
+        pPicture = pData->GetPicture(this);
       }
       if (pPicture) {
         CFX_PointF point;
         switch (m_iTTOAlign) {
           case 0: {
             point.x = m_rtClient.left;
             point.y = m_rtClient.top;
             break;
           }
           case 1: {
@@ skipping 129 matching lines @@
         }
         pGraphics->DrawImage(pPicture, point, &matrix);
       }
       matrix.e += m_rtClient.left + iPicwidth;
       matrix.f += m_rtClient.top + ipicheight;
       DrawText(pGraphics, m_pProperties->m_pThemeProvider, &matrix);
       break;
   }
   return FWL_Error::Succeeded;
 }
-void CFWL_PushButtonImp::DrawBkground(CFX_Graphics* pGraphics,
-                                      IFWL_ThemeProvider* pTheme,
-                                      const CFX_Matrix* pMatrix) {
+
+void IFWL_PushButton::DrawBkground(CFX_Graphics* pGraphics,
+                                   IFWL_ThemeProvider* pTheme,
+                                   const CFX_Matrix* pMatrix) {
   CFWL_ThemeBackground param;
-  param.m_pWidget = m_pInterface;
+  param.m_pWidget = this;
   param.m_iPart = CFWL_Part::Background;
   param.m_dwStates = GetPartStates();
   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_rtCaption;
   }
   pTheme->DrawBackground(&param);
 }
-void CFWL_PushButtonImp::DrawText(CFX_Graphics* pGraphics,
-                                  IFWL_ThemeProvider* pTheme,
-                                  const CFX_Matrix* pMatrix) {
+
+void IFWL_PushButton::DrawText(CFX_Graphics* pGraphics,
+                               IFWL_ThemeProvider* pTheme,
+                               const CFX_Matrix* pMatrix) {
   if (!m_pProperties->m_pDataProvider)
     return;
   CFX_WideString wsCaption;
-  m_pProperties->m_pDataProvider->GetCaption(m_pInterface, wsCaption);
+  m_pProperties->m_pDataProvider->GetCaption(this, wsCaption);
   if (wsCaption.IsEmpty()) {
     return;
   }
   CFWL_ThemeText param;
-  param.m_pWidget = m_pInterface;
+  param.m_pWidget = this;
   param.m_iPart = CFWL_Part::Caption;
   param.m_dwStates = GetPartStates();
   param.m_pGraphics = pGraphics;
   if (pMatrix) {
     param.m_matrix.Concat(*pMatrix);
   }
   param.m_rtPart = m_rtCaption;
   param.m_wsText = wsCaption;
   param.m_dwTTOStyles = m_dwTTOStyles;
   param.m_iTTOAlign = m_iTTOAlign;
   pTheme->DrawText(&param);
 }
-uint32_t CFWL_PushButtonImp::GetPartStates() {
+
+uint32_t IFWL_PushButton::GetPartStates() {
   uint32_t dwStates = CFWL_PartState_Normal;
   if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) {
     dwStates |= CFWL_PartState_Focused;
   }
   if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) {
     dwStates = CFWL_PartState_Disabled;
   } else if (m_pProperties->m_dwStates & FWL_STATE_PSB_Pressed) {
     dwStates |= CFWL_PartState_Pressed;
   } else if (m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered) {
     dwStates |= CFWL_PartState_Hovered;
   } else if (m_pProperties->m_dwStates & FWL_STATE_PSB_Default) {
     dwStates |= CFWL_PartState_Default;
   }
   return dwStates;
 }
-void CFWL_PushButtonImp::UpdateTextOutStyles() {
+
+void IFWL_PushButton::UpdateTextOutStyles() {
   m_iTTOAlign = FDE_TTOALIGNMENT_Center;
   switch (m_pProperties->m_dwStyleExes &
           (FWL_STYLEEXT_PSB_HLayoutMask | FWL_STYLEEXT_PSB_VLayoutMask)) {
     case FWL_STYLEEXT_PSB_Left | FWL_STYLEEXT_PSB_Top: {
       m_iTTOAlign = FDE_TTOALIGNMENT_TopLeft;
       break;
     }
     case FWL_STYLEEXT_PSB_Center | FWL_STYLEEXT_PSB_Top: {
       m_iTTOAlign = FDE_TTOALIGNMENT_TopCenter;
       break;
@@ skipping 27 matching lines @@
       break;
     }
     default: {}
   }
   m_dwTTOStyles = FDE_TTOSTYLE_SingleLine;
   if (m_pProperties->m_dwStyleExes & FWL_WGTSTYLE_RTLReading) {
     m_dwTTOStyles |= FDE_TTOSTYLE_RTL;
   }
 }
 
-CFWL_PushButtonImpDelegate::CFWL_PushButtonImpDelegate(
-    CFWL_PushButtonImp* pOwner)
+CFWL_PushButtonImpDelegate::CFWL_PushButtonImpDelegate(IFWL_PushButton* pOwner)
     : m_pOwner(pOwner) {}
 
 void CFWL_PushButtonImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
   if (!pMessage)
     return;
   if (!m_pOwner->IsEnabled())
     return;
 
   CFWL_MessageType dwMsgCode = pMessage->GetClassID();
   switch (dwMsgCode) {
@@ skipping 28 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_PushButtonImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {}
 
 void CFWL_PushButtonImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
                                               const CFX_Matrix* pMatrix) {
   m_pOwner->DrawWidget(pGraphics, pMatrix);
 }
 
 void CFWL_PushButtonImpDelegate::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_PushButtonImpDelegate::OnLButtonDown(CFWL_MsgMouse* pMsg) {
   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_PSB_Hovered;
   m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_PSB_Pressed;
   m_pOwner->Repaint(&m_pOwner->m_rtClient);
 }
+
 void CFWL_PushButtonImpDelegate::OnLButtonUp(CFWL_MsgMouse* pMsg) {
   m_pOwner->m_bBtnDown = FALSE;
   if (m_pOwner->m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) {
     m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed;
     m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered;
   } else {
     m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Hovered;
     m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed;
   }
   if (m_pOwner->m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) {
     CFWL_EvtClick wmClick;
-    wmClick.m_pSrcTarget = m_pOwner->m_pInterface;
+    wmClick.m_pSrcTarget = m_pOwner;
     m_pOwner->DispatchEvent(&wmClick);
   }
   m_pOwner->Repaint(&m_pOwner->m_rtClient);
 }
+
 void CFWL_PushButtonImpDelegate::OnMouseMove(CFWL_MsgMouse* pMsg) {
   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_PSB_Pressed) == 0) {
         m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_PSB_Pressed;
         bRepaint = TRUE;
       }
       if (m_pOwner->m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered) {
         m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Hovered;
@@ skipping 15 matching lines @@
     }
     if ((m_pOwner->m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered) == 0) {
       m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered;
       bRepaint = TRUE;
     }
   }
   if (bRepaint) {
     m_pOwner->Repaint(&m_pOwner->m_rtClient);
   }
 }
+
 void CFWL_PushButtonImpDelegate::OnMouseLeave(CFWL_MsgMouse* pMsg) {
   m_pOwner->m_bBtnDown = FALSE;
   m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Hovered;
   m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed;
   m_pOwner->Repaint(&m_pOwner->m_rtClient);
 }
+
 void CFWL_PushButtonImpDelegate::OnKeyDown(CFWL_MsgKey* pMsg) {
   if (pMsg->m_dwKeyCode == FWL_VKEY_Return) {
     CFWL_EvtMouse wmMouse;
-    wmMouse.m_pSrcTarget = m_pOwner->m_pInterface;
+    wmMouse.m_pSrcTarget = m_pOwner;
     wmMouse.m_dwCmd = FWL_MouseCommand::LeftButtonUp;
     m_pOwner->DispatchEvent(&wmMouse);
     CFWL_EvtClick wmClick;
-    wmClick.m_pSrcTarget = m_pOwner->m_pInterface;
+    wmClick.m_pSrcTarget = m_pOwner;
     m_pOwner->DispatchEvent(&wmClick);
     return;
   }
   if (pMsg->m_dwKeyCode != FWL_VKEY_Tab) {
     return;
   }
   m_pOwner->DispatchKeyEvent(pMsg);
 }