Remove IFDE_TxtEdt interfaces where possible.

This CL removes the following and uses the only instance instead.
  * IFDE_TxtEdtParag
  * IFDE_TxtEdtEventSink
  * IFDE_TxtEdtEngine
  * IFDE_TxtEdtBuf

Review-Url: https://codereview.chromium.org/1927973003

3 files changed, 32 insertions, 62 deletions

diff --git a/xfa/fwl/basewidget/fwl_comboboximp.cpp b/xfa/fwl/basewidget/fwl_comboboximp.cpp
index 60794da476..55f0910c4a 100644
--- a/xfa/fwl/basewidget/fwl_comboboximp.cpp
+++ b/xfa/fwl/basewidget/fwl_comboboximp.cpp
@@ -7,6 +7,7 @@
 #include "xfa/fwl/basewidget/fwl_comboboximp.h"
 
 #include "xfa/fde/tto/fde_textout.h"
+#include "xfa/fee/fde_txtedtengine.h"
 #include "xfa/fwl/basewidget/fwl_editimp.h"
 #include "xfa/fwl/basewidget/fwl_formproxyimp.h"
 #include "xfa/fwl/basewidget/fwl_listboximp.h"
diff --git a/xfa/fwl/basewidget/fwl_editimp.cpp b/xfa/fwl/basewidget/fwl_editimp.cpp
index 17aef3bb16..29fab8b9b3 100644
--- a/xfa/fwl/basewidget/fwl_editimp.cpp
+++ b/xfa/fwl/basewidget/fwl_editimp.cpp
@@ -11,6 +11,7 @@
 
 #include "xfa/fde/fde_gedevice.h"
 #include "xfa/fde/fde_render.h"
+#include "xfa/fee/fde_txtedtengine.h"
 #include "xfa/fee/ifde_txtedtpage.h"
 #include "xfa/fwl/basewidget/fwl_caretimp.h"
 #include "xfa/fwl/basewidget/fwl_comboboximp.h"
@@ -755,8 +756,7 @@ FX_BOOL CFWL_EditImp::CanRedo() {
 FWL_ERR CFWL_EditImp::SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant) {
   if (!m_pEdtEngine)
     return FWL_ERR_Succeeded;
-  FDE_LPTXTEDTPARAMS pParams =
-      (FDE_LPTXTEDTPARAMS)m_pEdtEngine->GetEditParams();
+  FDE_TXTEDTPARAMS* pParams = m_pEdtEngine->GetEditParams();
   pParams->fTabWidth = fTabWidth;
   pParams->bTabEquidistant = bEquidistant;
   return FWL_ERR_Succeeded;
@@ -771,7 +771,7 @@ FWL_ERR CFWL_EditImp::SetNumberRange(int32_t iMin, int32_t iMax) {
   m_bSetRange = TRUE;
   return FWL_ERR_Succeeded;
 }
-void CFWL_EditImp::On_CaretChanged(IFDE_TxtEdtEngine* pEdit,
+void CFWL_EditImp::On_CaretChanged(CFDE_TxtEdtEngine* pEdit,
                                    int32_t nPage,
                                    FX_BOOL bVisible) {
   if (m_rtEngine.IsEmpty()) {
@@ -799,7 +799,7 @@ void CFWL_EditImp::On_CaretChanged(IFDE_TxtEdtEngine* pEdit,
     Repaint(&rtInvalid);
   }
 }
-void CFWL_EditImp::On_TextChanged(IFDE_TxtEdtEngine* pEdit,
+void CFWL_EditImp::On_TextChanged(CFDE_TxtEdtEngine* pEdit,
                                   FDE_TXTEDT_TEXTCHANGE_INFO& ChangeInfo) {
   uint32_t dwStyleEx = m_pProperties->m_dwStyleExes;
   if (dwStyleEx & FWL_STYLEEXT_EDT_VAlignMask) {
@@ -864,25 +864,25 @@ void CFWL_EditImp::On_TextChanged(IFDE_TxtEdtEngine* pEdit,
   LayoutScrollBar();
   Repaint(&rtTemp);
 }
-void CFWL_EditImp::On_SelChanged(IFDE_TxtEdtEngine* pEdit) {
+void CFWL_EditImp::On_SelChanged(CFDE_TxtEdtEngine* pEdit) {
   CFX_RectF rtTemp;
   GetClientRect(rtTemp);
   Repaint(&rtTemp);
 }
-FX_BOOL CFWL_EditImp::On_PageLoad(IFDE_TxtEdtEngine* pEdit,
+FX_BOOL CFWL_EditImp::On_PageLoad(CFDE_TxtEdtEngine* pEdit,
                                   int32_t nPageIndex,
                                   int32_t nPurpose) {
-  IFDE_TxtEdtEngine* pEdtEngine = m_pEdtEngine;
+  CFDE_TxtEdtEngine* pEdtEngine = m_pEdtEngine;
   IFDE_TxtEdtPage* pPage = pEdtEngine->GetPage(nPageIndex);
   if (!pPage)
     return FALSE;
   pPage->LoadPage(nullptr, nullptr);
   return TRUE;
 }
-FX_BOOL CFWL_EditImp::On_PageUnload(IFDE_TxtEdtEngine* pEdit,
+FX_BOOL CFWL_EditImp::On_PageUnload(CFDE_TxtEdtEngine* pEdit,
                                     int32_t nPageIndex,
                                     int32_t nPurpose) {
-  IFDE_TxtEdtEngine* pEdtEngine = m_pEdtEngine;
+  CFDE_TxtEdtEngine* pEdtEngine = m_pEdtEngine;
   IFDE_TxtEdtPage* pPage = pEdtEngine->GetPage(nPageIndex);
   if (!pPage)
     return FALSE;
@@ -890,28 +890,12 @@ FX_BOOL CFWL_EditImp::On_PageUnload(IFDE_TxtEdtEngine* pEdit,
   return TRUE;
 }
 
-void CFWL_EditImp::On_AddDoRecord(IFDE_TxtEdtEngine* pEdit,
+void CFWL_EditImp::On_AddDoRecord(CFDE_TxtEdtEngine* pEdit,
                                   const CFX_ByteStringC& bsDoRecord) {
   AddDoRecord(bsDoRecord);
 }
 
-FX_BOOL CFWL_EditImp::On_ValidateField(IFDE_TxtEdtEngine* pEdit,
-                                       int32_t nBlockIndex,
-                                       int32_t nFieldIndex,
-                                       const CFX_WideString& wsFieldText,
-                                       int32_t nCharIndex) {
-  return TRUE;
-}
-FX_BOOL CFWL_EditImp::On_ValidateBlock(IFDE_TxtEdtEngine* pEdit,
-                                       int32_t nBlockIndex) {
-  return TRUE;
-}
-FX_BOOL CFWL_EditImp::On_GetBlockFormatText(IFDE_TxtEdtEngine* pEdit,
-                                            int32_t nBlockIndex,
-                                            CFX_WideString& wsBlockText) {
-  return FALSE;
-}
-FX_BOOL CFWL_EditImp::On_Validate(IFDE_TxtEdtEngine* pEdit,
+FX_BOOL CFWL_EditImp::On_Validate(CFDE_TxtEdtEngine* pEdit,
                                   CFX_WideString& wsText) {
   IFWL_Widget* pDst = GetOuter();
   if (!pDst) {
@@ -1607,11 +1591,10 @@ void CFWL_EditImp::InitScrollBar(FX_BOOL bVert) {
   pScrollBar->Initialize();
   (bVert ? &m_pVertScrollBar : &m_pHorzScrollBar)->reset(pScrollBar);
 }
+
 void CFWL_EditImp::InitEngine() {
-  if (m_pEdtEngine) {
-    return;
-  }
-  m_pEdtEngine = IFDE_TxtEdtEngine::Create();
+  if (!m_pEdtEngine)
+    m_pEdtEngine = new CFDE_TxtEdtEngine;
 }
 
 FX_BOOL FWL_ShowCaret(IFWL_Widget* pWidget,
diff --git a/xfa/fwl/basewidget/fwl_editimp.h b/xfa/fwl/basewidget/fwl_editimp.h
index f8fb1aa37d..226a0e8b41 100644
--- a/xfa/fwl/basewidget/fwl_editimp.h
+++ b/xfa/fwl/basewidget/fwl_editimp.h
@@ -24,7 +24,7 @@ class IFWL_Caret;
 class CFWL_EditImp;
 class CFWL_EditImpDelegate;
 
-class CFWL_EditImp : public CFWL_WidgetImp, public IFDE_TxtEdtEventSink {
+class CFWL_EditImp : public CFWL_WidgetImp {
  public:
   CFWL_EditImp(const CFWL_WidgetImpProperties& properties, IFWL_Widget* pOuter);
   ~CFWL_EditImp() override;
@@ -79,38 +79,24 @@ class CFWL_EditImp : public CFWL_WidgetImp, public IFDE_TxtEdtEventSink {
   virtual FWL_ERR SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant);
   virtual FWL_ERR SetOuter(IFWL_Widget* pOuter);
   virtual FWL_ERR SetNumberRange(int32_t iMin, int32_t iMax);
-  void On_CaretChanged(IFDE_TxtEdtEngine* pEdit,
+  virtual FWL_ERR SetBackgroundColor(uint32_t color);
+  virtual FWL_ERR SetFont(const CFX_WideString& wsFont, FX_FLOAT fSize);
+
+  void On_CaretChanged(CFDE_TxtEdtEngine* pEdit,
                        int32_t nPage,
-                       FX_BOOL bVisible = true) override;
-  void On_TextChanged(IFDE_TxtEdtEngine* pEdit,
-                      FDE_TXTEDT_TEXTCHANGE_INFO& ChangeInfo) override;
-  void On_PageCountChanged(IFDE_TxtEdtEngine* pEdit) override {}
-  void On_SelChanged(IFDE_TxtEdtEngine* pEdit) override;
-  FX_BOOL On_PageLoad(IFDE_TxtEdtEngine* pEdit,
+                       FX_BOOL bVisible = true);
+  void On_TextChanged(CFDE_TxtEdtEngine* pEdit,
+                      FDE_TXTEDT_TEXTCHANGE_INFO& ChangeInfo);
+  void On_SelChanged(CFDE_TxtEdtEngine* pEdit);
+  FX_BOOL On_PageLoad(CFDE_TxtEdtEngine* pEdit,
                       int32_t nPageIndex,
-                      int32_t nPurpose) override;
-  FX_BOOL On_PageUnload(IFDE_TxtEdtEngine* pEdit,
+                      int32_t nPurpose);
+  FX_BOOL On_PageUnload(CFDE_TxtEdtEngine* pEdit,
                         int32_t nPageIndex,
-                        int32_t nPurpose) override;
-  FX_BOOL On_PageChange(IFDE_TxtEdtEngine* pEdit, int32_t nPageIndex) override {
-    return TRUE;
-  }
-  void On_AddDoRecord(IFDE_TxtEdtEngine* pEdit,
-                      const CFX_ByteStringC& bsDoRecord) override;
-  FX_BOOL On_ValidateField(IFDE_TxtEdtEngine* pEdit,
-                           int32_t nBlockIndex,
-                           int32_t nFieldIndex,
-                           const CFX_WideString& wsFieldText,
-                           int32_t nCharIndex) override;
-  FX_BOOL On_ValidateBlock(IFDE_TxtEdtEngine* pEdit,
-                           int32_t nBlockIndex) override;
-  FX_BOOL On_GetBlockFormatText(IFDE_TxtEdtEngine* pEdit,
-                                int32_t nBlockIndex,
-                                CFX_WideString& wsBlockText) override;
-  FX_BOOL On_Validate(IFDE_TxtEdtEngine* pEdit,
-                      CFX_WideString& wsText) override;
-  virtual FWL_ERR SetBackgroundColor(uint32_t color);
-  virtual FWL_ERR SetFont(const CFX_WideString& wsFont, FX_FLOAT fSize);
+                        int32_t nPurpose);
+  void On_AddDoRecord(CFDE_TxtEdtEngine* pEdit,
+                      const CFX_ByteStringC& bsDoRecord);
+  FX_BOOL On_Validate(CFDE_TxtEdtEngine* pEdit, CFX_WideString& wsText);
   void SetScrollOffset(FX_FLOAT fScrollOffset);
   FX_BOOL GetSuggestWords(CFX_PointF pointf,
                           std::vector<CFX_ByteString>& sSuggest);
@@ -160,7 +146,7 @@ class CFWL_EditImp : public CFWL_WidgetImp, public IFDE_TxtEdtEventSink {
   FX_FLOAT m_fVAlignOffset;
   FX_FLOAT m_fScrollOffsetX;
   FX_FLOAT m_fScrollOffsetY;
-  IFDE_TxtEdtEngine* m_pEdtEngine;
+  CFDE_TxtEdtEngine* m_pEdtEngine;
   FX_BOOL m_bLButtonDown;
   int32_t m_nSelStart;
   int32_t m_nLimit;