Rename GetExclGroup to GetExclGroupIfExists

This CL makes it clearer that GetExclGroup can return nullptr.

Change-Id: Ica9bdfb05be36b3b6ede20f8b54daac1154506fd
Reviewed-on: https://pdfium-review.googlesource.com/22739
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

6 files changed, 9 insertions, 8 deletions

diff --git a/xfa/fxfa/cxfa_ffcheckbutton.cpp b/xfa/fxfa/cxfa_ffcheckbutton.cpp
index 3fd1d88987..2f79408e74 100644
--- a/xfa/fxfa/cxfa_ffcheckbutton.cpp
+++ b/xfa/fxfa/cxfa_ffcheckbutton.cpp
@@ -312,7 +312,7 @@ void CXFA_FFCheckButton::OnProcessEvent(CFWL_Event* pEvent) {
       eParam.m_wsNewText =
           m_pNode->GetWidgetAcc()->GetValue(XFA_VALUEPICTURE_Raw);
 
-      CXFA_Node* exclNode = m_pNode->GetExclGroup();
+      CXFA_Node* exclNode = m_pNode->GetExclGroupIfExists();
       if (ProcessCommittedData()) {
         eParam.m_pTarget = exclNode ? exclNode->GetWidgetAcc() : nullptr;
         if (exclNode) {
diff --git a/xfa/fxfa/cxfa_fffield.cpp b/xfa/fxfa/cxfa_fffield.cpp
index 9f885bb3ce..53a81bdad9 100644
--- a/xfa/fxfa/cxfa_fffield.cpp
+++ b/xfa/fxfa/cxfa_fffield.cpp
@@ -636,7 +636,7 @@ bool CXFA_FFField::ProcessCommittedData() {
 }
 
 int32_t CXFA_FFField::CalculateOverride() {
-  CXFA_Node* exclNode = m_pNode->GetExclGroup();
+  CXFA_Node* exclNode = m_pNode->GetExclGroupIfExists();
   if (!exclNode)
     return CalculateWidgetAcc(m_pNode->GetWidgetAcc());
 
diff --git a/xfa/fxfa/cxfa_ffpageview.cpp b/xfa/fxfa/cxfa_ffpageview.cpp
index 39f4dbe03b..53b39fd3fa 100644
--- a/xfa/fxfa/cxfa_ffpageview.cpp
+++ b/xfa/fxfa/cxfa_ffpageview.cpp
@@ -351,12 +351,12 @@ void CXFA_FFTabOrderPageWidgetIterator::CreateTabOrderWidgetArray() {
                                    ? it - SpaceOrderWidgetArray.begin() + 1
                                    : 0;
         while (true) {
-          CXFA_FFWidget* pRadio =
+          CXFA_FFWidget* radio =
               SpaceOrderWidgetArray[iWidgetIndex % nWidgetCount];
-          if (pRadio->GetNode()->GetExclGroup() != pWidgetAcc->GetNode())
+          if (radio->GetNode()->GetExclGroupIfExists() != pWidgetAcc->GetNode())
             break;
           if (!pdfium::ContainsValue(m_TabOrderWidgetArray, hWidget))
-            m_TabOrderWidgetArray.push_back(pRadio);
+            m_TabOrderWidgetArray.push_back(radio);
 
           iWidgetIndex++;
         }
diff --git a/xfa/fxfa/cxfa_widgetacc.cpp b/xfa/fxfa/cxfa_widgetacc.cpp
index 5a925da833..39aa378a52 100644
--- a/xfa/fxfa/cxfa_widgetacc.cpp
+++ b/xfa/fxfa/cxfa_widgetacc.cpp
@@ -1486,7 +1486,7 @@ XFA_CHECKSTATE CXFA_WidgetAcc::GetCheckState() {
 }
 
 void CXFA_WidgetAcc::SetCheckState(XFA_CHECKSTATE eCheckState, bool bNotify) {
-  CXFA_Node* node = m_pNode->GetExclGroup();
+  CXFA_Node* node = m_pNode->GetExclGroupIfExists();
   if (!node) {
     CXFA_Items* pItems =
         m_pNode->GetChild<CXFA_Items>(0, XFA_Element::Items, false);
@@ -1506,6 +1506,7 @@ void CXFA_WidgetAcc::SetCheckState(XFA_CHECKSTATE eCheckState, bool bNotify) {
     }
     if (m_pNode)
       m_pNode->SyncValue(wsContent, bNotify);
+
     return;
   }
 
diff --git a/xfa/fxfa/parser/cxfa_node.cpp b/xfa/fxfa/parser/cxfa_node.cpp
index 075ee46836..5d72cf7cb9 100644
--- a/xfa/fxfa/parser/cxfa_node.cpp
+++ b/xfa/fxfa/parser/cxfa_node.cpp
@@ -1654,7 +1654,7 @@ Optional<float> CXFA_Node::TryMaxHeight() {
   return JSObject()->TryMeasureAsFloat(XFA_Attribute::MaxH);
 }
 
-CXFA_Node* CXFA_Node::GetExclGroup() {
+CXFA_Node* CXFA_Node::GetExclGroupIfExists() {
   CXFA_Node* pExcl = GetParent();
   if (!pExcl || pExcl->GetElementType() != XFA_Element::ExclGroup)
     return nullptr;
diff --git a/xfa/fxfa/parser/cxfa_node.h b/xfa/fxfa/parser/cxfa_node.h
index 8108eeccc4..dec324300d 100644
--- a/xfa/fxfa/parser/cxfa_node.h
+++ b/xfa/fxfa/parser/cxfa_node.h
@@ -263,7 +263,7 @@ class CXFA_Node : public CXFA_Object {
   Optional<float> TryMaxWidth();
   Optional<float> TryMaxHeight();
 
-  CXFA_Node* GetExclGroup();
+  CXFA_Node* GetExclGroupIfExists();
 
   int32_t ProcessEvent(CXFA_FFDocView* docView,
                        XFA_AttributeEnum iActivity,