Remove unused widget handler overrides

fpdfsdk/cpdfsdk_xfawidgethandler.cpp

 // Copyright 2016 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 "fpdfsdk/cpdfsdk_xfawidgethandler.h"
 
 #include "core/fpdfdoc/cpdf_interform.h"
 #include "fpdfsdk/cpdfsdk_annot.h"
@@ skipping 51 matching lines @@
   FX_BOOL bIsHighlight = FALSE;
   if (pPageView->GetFormFillEnv()->GetSDKDocument()->GetFocusAnnot() != pAnnot)
     bIsHighlight = TRUE;
 
   GetXFAWidgetHandler(pAnnot)->RenderWidget(pAnnot->GetXFAWidget(), &gs, &mt,
                                             bIsHighlight);
 
   // to do highlight and shadow
 }
 
-void CPDFSDK_XFAWidgetHandler::OnCreate(CPDFSDK_Annot* pAnnot) {}
-
 void CPDFSDK_XFAWidgetHandler::OnLoad(CPDFSDK_Annot* pAnnot) {}
 
-void CPDFSDK_XFAWidgetHandler::OnDelete(CPDFSDK_Annot* pAnnot) {}
-
-void CPDFSDK_XFAWidgetHandler::OnRelease(CPDFSDK_Annot* pAnnot) {}
-
 void CPDFSDK_XFAWidgetHandler::ReleaseAnnot(CPDFSDK_Annot* pAnnot) {
   CPDFSDK_XFAWidget* pWidget = reinterpret_cast<CPDFSDK_XFAWidget*>(pAnnot);
   CPDFSDK_InterForm* pInterForm = pWidget->GetInterForm();
   pInterForm->RemoveXFAMap(pWidget->GetXFAWidget());
 
   delete pWidget;
 }
 
-void CPDFSDK_XFAWidgetHandler::DeleteAnnot(CPDFSDK_Annot* pAnnot) {}
-
 CFX_FloatRect CPDFSDK_XFAWidgetHandler::GetViewBBox(CPDFSDK_PageView* pPageView,
                                                     CPDFSDK_Annot* pAnnot) {
   ASSERT(pAnnot);
 
   CFX_RectF rcBBox;
   XFA_Element eType = pAnnot->GetXFAWidget()->GetDataAcc()->GetUIType();
   if (eType == XFA_Element::Signature)
     pAnnot->GetXFAWidget()->GetBBox(rcBBox, XFA_WidgetStatus_Visible, TRUE);
   else
     pAnnot->GetXFAWidget()->GetBBox(rcBBox, XFA_WidgetStatus_None);
@@ skipping 185 matching lines @@
                                           int nKeyCode,
                                           int nFlag) {
   if (!pAnnot)
     return FALSE;
 
   CXFA_FFWidgetHandler* pWidgetHandler = GetXFAWidgetHandler(pAnnot);
   return pWidgetHandler->OnKeyUp(pAnnot->GetXFAWidget(), nKeyCode,
                                  GetFWLFlags(nFlag));
 }
 
-void CPDFSDK_XFAWidgetHandler::OnDeSelected(CPDFSDK_Annot* pAnnot) {}
-
-void CPDFSDK_XFAWidgetHandler::OnSelected(CPDFSDK_Annot* pAnnot) {}
-
 FX_BOOL CPDFSDK_XFAWidgetHandler::OnSetFocus(CPDFSDK_Annot::ObservedPtr* pAnnot,
                                              uint32_t nFlag) {
   return TRUE;
 }
 
 FX_BOOL CPDFSDK_XFAWidgetHandler::OnKillFocus(
     CPDFSDK_Annot::ObservedPtr* pAnnot,
     uint32_t nFlag) {
   return TRUE;
 }
@@ skipping 67 matching lines @@
     dwFWLFlag |= FWL_KEYFLAG_MButton;
   if (dwFlag & FWL_EVENTFLAG_RightButtonDown)
     dwFWLFlag |= FWL_KEYFLAG_RButton;
   if (dwFlag & FWL_EVENTFLAG_ShiftKey)
     dwFWLFlag |= FWL_KEYFLAG_Shift;
   if (dwFlag & FWL_EVENTFLAG_AltKey)
     dwFWLFlag |= FWL_KEYFLAG_Alt;
 
   return dwFWLFlag;
 }