fpdfsdk/ differences with XFA (for didactic purposes only).

fpdfsdk/src/javascript/app.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 "app.h"
 
 #include "Document.h"
 #include "JS_Context.h"
@@ skipping 29 matching lines @@
 
 CJS_Timer* TimerObj::GetTimer() const {
   return m_pTimer;
 }
 
 #define JS_STR_VIEWERTYPE L"pdfium"
 #define JS_STR_VIEWERVARIATION L"Full"
 #define JS_STR_PLATFORM L"WIN"
 #define JS_STR_LANGUANGE L"ENU"
 #define JS_NUM_VIEWERVERSION 8
+#ifdef PDF_ENABLE_XFA
+#define JS_NUM_VIEWERVERSION_XFA 11
+#endif
 #define JS_NUM_FORMSVERSION 7
 
 BEGIN_JS_STATIC_CONST(CJS_App)
 END_JS_STATIC_CONST()
 
 BEGIN_JS_STATIC_PROP(CJS_App)
 JS_STATIC_PROP_ENTRY(activeDocs)
 JS_STATIC_PROP_ENTRY(calculate)
 JS_STATIC_PROP_ENTRY(formsVersion)
 JS_STATIC_PROP_ENTRY(fs)
@@ skipping 130 matching lines @@
 
   return FALSE;
 }
 
 FX_BOOL app::viewerVersion(IJS_Context* cc,
                            CJS_PropValue& vp,
                            CFX_WideString& sError) {
   if (!vp.IsGetting())
     return FALSE;
 
+#ifdef PDF_ENABLE_XFA
+  CJS_Context* pContext = (CJS_Context*)cc;
+  CPDFSDK_Document* pCurDoc = pContext->GetReaderDocument();
+  CPDFXFA_Document* pDoc = pCurDoc->GetXFADocument();
+  if (pDoc->GetDocType() == 1 || pDoc->GetDocType() == 2) {
+    vp << JS_NUM_VIEWERVERSION_XFA;
+    return TRUE;
+  }
+
+#endif
   vp << JS_NUM_VIEWERVERSION;
   return TRUE;
 }
 
 FX_BOOL app::platform(IJS_Context* cc,
                       CJS_PropValue& vp,
                       CFX_WideString& sError) {
   if (vp.IsGetting()) {
     vp << JS_STR_PLATFORM;
     return TRUE;
@@ skipping 591 matching lines @@
 FX_BOOL app::media(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) {
   return FALSE;
 }
 
 FX_BOOL app::execDialog(IJS_Context* cc,
                         const std::vector<CJS_Value>& params,
                         CJS_Value& vRet,
                         CFX_WideString& sError) {
   return TRUE;
 }