Move IsNull and PreNull to CXFA_Node

This CL moves the m_bIsNull and m_bPreNull flags from CXFA_WidgetAcc to
CXFA_Node.

Change-Id: Ibdcdb8611699d6d908ab3c6ed05cbce7bba872ae
Reviewed-on: https://pdfium-review.googlesource.com/23310
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

5 files changed, 14 insertions, 16 deletions

diff --git a/fxjs/xfa/cjx_field.cpp b/fxjs/xfa/cjx_field.cpp
index 2af988f1fe..828bfb9a0d 100644
--- a/fxjs/xfa/cjx_field.cpp
+++ b/fxjs/xfa/cjx_field.cpp
@@ -248,8 +248,8 @@ void CJX_Field::defaultValue(CFXJSE_Value* pValue,
   CXFA_WidgetAcc* pWidgetAcc = xfaNode->GetWidgetAcc();
   if (bSetting) {
     if (pValue) {
-      pWidgetAcc->SetPreNull(pWidgetAcc->IsNull());
-      pWidgetAcc->SetIsNull(pValue->IsNull());
+      xfaNode->SetPreNull(xfaNode->IsNull());
+      xfaNode->SetIsNull(pValue->IsNull());
     }
 
     WideString wsNewText;
diff --git a/xfa/fxfa/cxfa_widgetacc.cpp b/xfa/fxfa/cxfa_widgetacc.cpp
index 49ccade894..4fa744a098 100644
--- a/xfa/fxfa/cxfa_widgetacc.cpp
+++ b/xfa/fxfa/cxfa_widgetacc.cpp
@@ -348,10 +348,7 @@ bool SplitDateTime(const WideString& wsDateTime,
 
 }  // namespace
 
-CXFA_WidgetAcc::CXFA_WidgetAcc(CXFA_Node* pNode)
-    : m_bIsNull(true),
-      m_bPreNull(true),
-      m_pNode(pNode) {}
+CXFA_WidgetAcc::CXFA_WidgetAcc(CXFA_Node* pNode) : m_pNode(pNode) {}
 
 CXFA_WidgetAcc::~CXFA_WidgetAcc() = default;
 
@@ -2132,8 +2129,9 @@ bool CXFA_WidgetAcc::SetValue(XFA_VALUEPICTURE eValueType,
     return true;
   }
 
-  m_bPreNull = m_bIsNull;
-  m_bIsNull = false;
+  m_pNode->SetPreNull(m_pNode->IsNull());
+  m_pNode->SetIsNull(false);
+
   WideString wsNewText(wsValue);
   WideString wsPicture = GetPictureContent(eValueType);
   bool bValidate = true;
diff --git a/xfa/fxfa/cxfa_widgetacc.h b/xfa/fxfa/cxfa_widgetacc.h
index ac885cb2f2..8f0bf3948b 100644
--- a/xfa/fxfa/cxfa_widgetacc.h
+++ b/xfa/fxfa/cxfa_widgetacc.h
@@ -176,11 +176,6 @@ class CXFA_WidgetAcc {
                           int32_t iLead,
                           int32_t iTread) const;
 
-  bool IsPreNull() const { return m_bPreNull; }
-  void SetPreNull(bool val) { m_bPreNull = val; }
-  bool IsNull() const { return m_bIsNull; }
-  void SetIsNull(bool val) { m_bIsNull = val; }
-
  private:
   void CalcCaptionSize(CXFA_FFDoc* doc, CFX_SizeF& szCap);
   bool CalculateFieldAutoSize(CXFA_FFDoc* doc, CFX_SizeF& size);
@@ -213,8 +208,6 @@ class CXFA_WidgetAcc {
   void GetItemLabel(const WideStringView& wsValue, WideString& wsLabel);
 
   std::unique_ptr<CXFA_WidgetLayoutData> m_pLayoutData;
-  bool m_bIsNull;
-  bool m_bPreNull;
   CXFA_Node* m_pNode;
 };
 
diff --git a/xfa/fxfa/parser/cxfa_node.cpp b/xfa/fxfa/parser/cxfa_node.cpp
index 935392373a..6a510cc0d4 100644
--- a/xfa/fxfa/parser/cxfa_node.cpp
+++ b/xfa/fxfa/parser/cxfa_node.cpp
@@ -1992,7 +1992,7 @@ int32_t CXFA_Node::ProcessNullTestValidate(CXFA_FFDocView* docView,
                                            bool bVersionFlag) {
   if (!GetWidgetAcc()->GetValue(XFA_VALUEPICTURE_Raw).IsEmpty())
     return XFA_EVENTERROR_Success;
-  if (GetWidgetAcc()->IsNull() && GetWidgetAcc()->IsPreNull())
+  if (m_bIsNull && m_bPreNull)
     return XFA_EVENTERROR_Success;
 
   XFA_AttributeEnum eNullTest = validate->GetNullTest();
diff --git a/xfa/fxfa/parser/cxfa_node.h b/xfa/fxfa/parser/cxfa_node.h
index 4fae752ea0..e99180e0dd 100644
--- a/xfa/fxfa/parser/cxfa_node.h
+++ b/xfa/fxfa/parser/cxfa_node.h
@@ -299,6 +299,11 @@ class CXFA_Node : public CXFA_Object {
   CFX_RectF GetUIMargin();
   CXFA_Border* GetUIBorder();
 
+  bool IsPreNull() const { return m_bPreNull; }
+  void SetPreNull(bool val) { m_bPreNull = val; }
+  bool IsNull() const { return m_bIsNull; }
+  void SetIsNull(bool val) { m_bIsNull = val; }
+
  protected:
   CXFA_Node(CXFA_Document* pDoc,
             XFA_PacketType ePacket,
@@ -364,6 +369,8 @@ class CXFA_Node : public CXFA_Object {
   std::vector<UnownedPtr<CXFA_Node>> binding_nodes_;
   CXFA_Node* m_pUiChildNode = nullptr;
   XFA_Element m_eUIType = XFA_Element::Unknown;
+  bool m_bIsNull = true;
+  bool m_bPreNull = true;
 };
 
 #endif  // XFA_FXFA_PARSER_CXFA_NODE_H_