3 files changed, 26 insertions, 0 deletions
diff --git a/fxjs/xfa/cjx_instancemanager.cpp b/fxjs/xfa/cjx_instancemanager.cpp
index f44ccba588..0882a182b2 100644
--- a/fxjs/xfa/cjx_instancemanager.cpp
+++ b/fxjs/xfa/cjx_instancemanager.cpp
@@ -12,6 +12,7 @@
 #include "fxjs/cfxjse_engine.h"
 #include "fxjs/cfxjse_value.h"
 #include "fxjs/js_resources.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
 #include "xfa/fxfa/cxfa_ffnotify.h"
 #include "xfa/fxfa/parser/cxfa_document.h"
 #include "xfa/fxfa/parser/cxfa_instancemanager.h"
@@ -135,6 +136,10 @@ int32_t CJX_InstanceManager::MoveInstance(int32_t iTo, int32_t iFrom) {
 CJS_Return CJX_InstanceManager::moveInstance(
     CFX_V8* runtime,
     const std::vector<v8::Local<v8::Value>>& params) {
+  CXFA_Document* doc = static_cast<CFXJSE_Engine*>(runtime)->GetDocument();
+  if (doc->GetFormType() != FormType::kXFAFull)
+    return CJS_Return(JSGetStringFromID(JSMessage::kNotSupportedError));
+
   if (params.size() != 2)
     return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
 
@@ -162,6 +167,10 @@ CJS_Return CJX_InstanceManager::moveInstance(
 CJS_Return CJX_InstanceManager::removeInstance(
     CFX_V8* runtime,
     const std::vector<v8::Local<v8::Value>>& params) {
+  CXFA_Document* doc = static_cast<CFXJSE_Engine*>(runtime)->GetDocument();
+  if (doc->GetFormType() != FormType::kXFAFull)
+    return CJS_Return(JSGetStringFromID(JSMessage::kNotSupportedError));
+
   if (params.size() != 1)
     return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
 
@@ -202,6 +211,10 @@ CJS_Return CJX_InstanceManager::removeInstance(
 CJS_Return CJX_InstanceManager::setInstances(
     CFX_V8* runtime,
     const std::vector<v8::Local<v8::Value>>& params) {
+  CXFA_Document* doc = static_cast<CFXJSE_Engine*>(runtime)->GetDocument();
+  if (doc->GetFormType() != FormType::kXFAFull)
+    return CJS_Return(JSGetStringFromID(JSMessage::kNotSupportedError));
+
   if (params.size() != 1)
     return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
 
@@ -212,6 +225,10 @@ CJS_Return CJX_InstanceManager::setInstances(
 CJS_Return CJX_InstanceManager::addInstance(
     CFX_V8* runtime,
     const std::vector<v8::Local<v8::Value>>& params) {
+  CXFA_Document* doc = static_cast<CFXJSE_Engine*>(runtime)->GetDocument();
+  if (doc->GetFormType() != FormType::kXFAFull)
+    return CJS_Return(JSGetStringFromID(JSMessage::kNotSupportedError));
+
   if (!params.empty() && params.size() != 1)
     return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
 
@@ -253,6 +270,10 @@ CJS_Return CJX_InstanceManager::addInstance(
 CJS_Return CJX_InstanceManager::insertInstance(
     CFX_V8* runtime,
     const std::vector<v8::Local<v8::Value>>& params) {
+  CXFA_Document* doc = static_cast<CFXJSE_Engine*>(runtime)->GetDocument();
+  if (doc->GetFormType() != FormType::kXFAFull)
+    return CJS_Return(JSGetStringFromID(JSMessage::kNotSupportedError));
+
   if (params.size() != 1 && params.size() != 2)
     return CJS_Return(JSGetStringFromID(JSMessage::kParamError));
 
diff --git a/xfa/fxfa/parser/cxfa_document.cpp b/xfa/fxfa/parser/cxfa_document.cpp
index 5ed1d7f3ec..5a85482b17 100644
--- a/xfa/fxfa/parser/cxfa_document.cpp
+++ b/xfa/fxfa/parser/cxfa_document.cpp
@@ -1478,6 +1478,10 @@ XFA_VERSION CXFA_Document::RecognizeXFAVersionNumber(
   return eVersion;
 }
 
+FormType CXFA_Document::GetFormType() const {
+  return GetNotify()->GetHDOC()->GetFormType();
+}
+
 CXFA_Node* CXFA_Document::GetNodeByID(CXFA_Node* pRoot,
                                       const WideStringView& wsID) const {
   if (!pRoot || wsID.IsEmpty())
diff --git a/xfa/fxfa/parser/cxfa_document.h b/xfa/fxfa/parser/cxfa_document.h
index 795da004cc..8bddcb2035 100644
--- a/xfa/fxfa/parser/cxfa_document.h
+++ b/xfa/fxfa/parser/cxfa_document.h
@@ -79,6 +79,7 @@ class CXFA_Document : public CXFA_NodeOwner {
   bool IsInteractive();
   XFA_VERSION GetCurVersionMode() { return m_eCurVersionMode; }
   XFA_VERSION RecognizeXFAVersionNumber(const WideString& wsTemplateNS);
+  FormType GetFormType() const;
 
   CXFA_Node* CreateNode(XFA_PacketType packet, XFA_Element eElement);