IFWL method and param cleanup

xfa/fwl/core/cfwl_edit.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/cfwl_edit.h"
 
 #include <memory>
 #include <vector>
 
 #include "third_party/base/ptr_util.h"
 
 namespace {
 
 IFWL_Edit* ToEdit(IFWL_Widget* widget) {
   return static_cast<IFWL_Edit*>(widget);
 }
 
-const IFWL_Edit* ToEdit(const IFWL_Widget* widget) {
-  return static_cast<const IFWL_Edit*>(widget);
-}
-
 }  // namespace
 
 CFWL_Edit::CFWL_Edit(const IFWL_App* app) : CFWL_Widget(app) {}
 
 CFWL_Edit::~CFWL_Edit() {}
 
 void CFWL_Edit::Initialize() {
   ASSERT(!m_pIface);
 
   m_pIface = pdfium::MakeUnique<IFWL_Edit>(
       m_pApp, pdfium::MakeUnique<CFWL_WidgetProperties>(), nullptr);
 
   CFWL_Widget::Initialize();
 }
 
-FWL_Error CFWL_Edit::SetText(const CFX_WideString& wsText) {
-  if (!GetWidget())
-    return FWL_Error::Indefinite;
-  return ToEdit(GetWidget())->SetText(wsText);
+void CFWL_Edit::SetText(const CFX_WideString& wsText) {
+  if (GetWidget())
+    ToEdit(GetWidget())->SetText(wsText);
 }
 
-int32_t CFWL_Edit::GetTextLength() const {
-  if (!GetWidget())
-    return 0;
-  return ToEdit(GetWidget())->GetTextLength();
-}
-
-FWL_Error CFWL_Edit::GetText(CFX_WideString& wsText,
-                             int32_t nStart,
-                             int32_t nCount) const {
-  if (!GetWidget())
-    return FWL_Error::Indefinite;
-  return ToEdit(GetWidget())->GetText(wsText, nStart, nCount);
-}
-
-FWL_Error CFWL_Edit::ClearText() {
-  if (!GetWidget())
-    return FWL_Error::Indefinite;
-  return ToEdit(GetWidget())->ClearText();
-}
-
-int32_t CFWL_Edit::GetCaretPos() const {
-  if (!GetWidget())
-    return -1;
-  return ToEdit(GetWidget())->GetCaretPos();
-}
-
-int32_t CFWL_Edit::SetCaretPos(int32_t nIndex, bool bBefore) {
-  if (!GetWidget())
-    return -1;
-  return ToEdit(GetWidget())->SetCaretPos(nIndex, bBefore);
-}
-
-int32_t CFWL_Edit::AddSelRange(int32_t nStart, int32_t nCount) {
-  if (!GetWidget())
-    return -1;
-  ToEdit(GetWidget())->AddSelRange(nStart, nCount);
-  int32_t pos = 0;
-  int32_t sum = ToEdit(GetWidget())->GetTextLength();
-  if (nCount == -1) {
-    pos = sum;
-  } else {
-    pos = nStart + nCount;
-  }
-  return ToEdit(GetWidget())->SetCaretPos(pos);
+void CFWL_Edit::GetText(CFX_WideString& wsText,
+                        int32_t nStart,
+                        int32_t nCount) {
+  if (GetWidget())
+    ToEdit(GetWidget())->GetText(wsText, nStart, nCount);
 }
 
 int32_t CFWL_Edit::CountSelRanges() {
-  if (!GetWidget())
-    return 0;
-  return ToEdit(GetWidget())->CountSelRanges();
+  return GetWidget() ? ToEdit(GetWidget())->CountSelRanges() : 0;
 }
 
 int32_t CFWL_Edit::GetSelRange(int32_t nIndex, int32_t& nStart) {
-  if (!GetWidget())
-    return 0;
-  return ToEdit(GetWidget())->GetSelRange(nIndex, nStart);
-}
-
-FWL_Error CFWL_Edit::ClearSelections() {
-  if (!GetWidget())
-    return FWL_Error::Indefinite;
-  return ToEdit(GetWidget())->ClearSelections();
+  return GetWidget() ? ToEdit(GetWidget())->GetSelRange(nIndex, nStart) : 0;
 }
 
 int32_t CFWL_Edit::GetLimit() {
-  if (!GetWidget())
-    return -1;
-  return ToEdit(GetWidget())->GetLimit();
+  return GetWidget() ? ToEdit(GetWidget())->GetLimit() : -1;
 }
 
-FWL_Error CFWL_Edit::SetLimit(int32_t nLimit) {
-  if (!GetWidget())
-    return FWL_Error::Indefinite;
-  return ToEdit(GetWidget())->SetLimit(nLimit);
+void CFWL_Edit::SetLimit(int32_t nLimit) {
+  if (GetWidget())
+    ToEdit(GetWidget())->SetLimit(nLimit);
 }
 
-FWL_Error CFWL_Edit::SetAliasChar(FX_WCHAR wAlias) {
-  if (!GetWidget())
-    return FWL_Error::Indefinite;
-  return ToEdit(GetWidget())->SetAliasChar(wAlias);
-}
-
-FWL_Error CFWL_Edit::Insert(int32_t nStart,
-                            const FX_WCHAR* lpText,
-                            int32_t nLen) {
-  if (!GetWidget())
-    return FWL_Error::Indefinite;
-  return ToEdit(GetWidget())->Insert(nStart, lpText, nLen);
-}
-
-FWL_Error CFWL_Edit::DeleteSelections() {
-  if (!GetWidget())
-    return FWL_Error::Indefinite;
-  return ToEdit(GetWidget())->DeleteSelections();
-}
-
-FWL_Error CFWL_Edit::DeleteRange(int32_t nStart, int32_t nCount) {
-  if (!GetWidget())
-    return FWL_Error::Indefinite;
-  return ToEdit(GetWidget())->DeleteRange(nStart, nCount);
-}
-
-FWL_Error CFWL_Edit::Replace(int32_t nStart,
-                             int32_t nLen,
-                             const CFX_WideStringC& wsReplace) {
-  if (!GetWidget())
-    return FWL_Error::Indefinite;
-  return ToEdit(GetWidget())->Replace(nStart, nLen, wsReplace);
-}
-
-FWL_Error CFWL_Edit::DoClipboard(int32_t iCmd) {
-  if (!GetWidget())
-    return FWL_Error::Indefinite;
-  return ToEdit(GetWidget())->DoClipboard(iCmd);
-}
-
-bool CFWL_Edit::Redo(const IFDE_TxtEdtDoRecord* pRecord) {
-  return GetWidget() && ToEdit(GetWidget())->Redo(pRecord);
-}
-
-bool CFWL_Edit::Undo(const IFDE_TxtEdtDoRecord* pRecord) {
-  return GetWidget() && ToEdit(GetWidget())->Undo(pRecord);
-}
-
-FWL_Error CFWL_Edit::SetTabWidth(FX_FLOAT fTabWidth, bool bEquidistant) {
-  if (!GetWidget())
-    return FWL_Error::Indefinite;
-  return ToEdit(GetWidget())->SetTabWidth(fTabWidth, bEquidistant);
-}
-
-FWL_Error CFWL_Edit::SetNumberRange(int32_t iMin, int32_t iMax) {
-  if (iMin > iMax)
-    return FWL_Error::ParameterInvalid;
-  return ToEdit(GetWidget())->SetNumberRange(iMin, iMax);
-}
-
-FWL_Error CFWL_Edit::SetBackColor(uint32_t dwColor) {
-  if (!GetWidget())
-    return FWL_Error::Indefinite;
-  return ToEdit(GetWidget())->SetBackgroundColor(dwColor);
-}
-
-FWL_Error CFWL_Edit::SetFont(const CFX_WideString& wsFont, FX_FLOAT fSize) {
-  if (!GetWidget())
-    return FWL_Error::Indefinite;
-  return ToEdit(GetWidget())->SetFont(wsFont, fSize);
-}
-
-bool CFWL_Edit::CanUndo() {
-  return ToEdit(GetWidget())->CanUndo();
-}
-
-bool CFWL_Edit::CanRedo() {
-  return ToEdit(GetWidget())->CanRedo();
-}
-
-bool CFWL_Edit::Undo() {
-  return ToEdit(GetWidget())->Undo();
-}
-
-bool CFWL_Edit::Redo() {
-  return ToEdit(GetWidget())->Undo();
-}
-
-bool CFWL_Edit::Copy(CFX_WideString& wsCopy) {
-  return ToEdit(GetWidget())->Copy(wsCopy);
-}
-
-bool CFWL_Edit::Cut(CFX_WideString& wsCut) {
-  return ToEdit(GetWidget())->Cut(wsCut);
-}
-
-bool CFWL_Edit::Paste(const CFX_WideString& wsPaste) {
-  return ToEdit(GetWidget())->Paste(wsPaste);
-}
-
-bool CFWL_Edit::Delete() {
-  return ToEdit(GetWidget())->Delete();
+void CFWL_Edit::SetAliasChar(FX_WCHAR wAlias) {
+  if (GetWidget())
+    ToEdit(GetWidget())->SetAliasChar(wAlias);
 }
 
 void CFWL_Edit::SetScrollOffset(FX_FLOAT fScrollOffset) {
-  return ToEdit(GetWidget())->SetScrollOffset(fScrollOffset);
+  if (GetWidget())
+    ToEdit(GetWidget())->SetScrollOffset(fScrollOffset);
 }
-
-bool CFWL_Edit::GetSuggestWords(CFX_PointF pointf,
-                                std::vector<CFX_ByteString>& sSuggest) {
-  return ToEdit(GetWidget())->GetSuggestWords(pointf, sSuggest);
-}
-
-bool CFWL_Edit::ReplaceSpellCheckWord(CFX_PointF pointf,
-                                      const CFX_ByteStringC& bsReplace) {
-  return ToEdit(GetWidget())->ReplaceSpellCheckWord(pointf, bsReplace);
-}