From 9c044e2c31474cb9df491a3636687a87ed8c56a3 Mon Sep 17 00:00:00 2001
From: Yury Delendik <ydelendik@mozilla.com>
Date: Thu, 31 Jan 2013 16:46:44 -0500
Subject: [PATCH] Fallback when AcroForm is present

---
 src/core.js   | 3 ++-
 web/viewer.js | 9 +++++----
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/core.js b/src/core.js
index 2e6991caa..822175f5d 100644
--- a/src/core.js
+++ b/src/core.js
@@ -535,7 +535,8 @@ var PDFDocument = (function PDFDocumentClosure() {
     },
     getDocumentInfo: function PDFDocument_getDocumentInfo() {
       var docInfo = {
-        PDFFormatVersion: this.pdfFormatVersion
+        PDFFormatVersion: this.pdfFormatVersion,
+        IsAcroFormPresent: !!this.acroForm
       };
       if (this.xref.trailer.has('Info')) {
         var infoDict = this.xref.trailer.get('Info');
diff --git a/web/viewer.js b/web/viewer.js
index 6fd11e927..a2b41da4f 100644
--- a/web/viewer.js
+++ b/web/viewer.js
@@ -1345,6 +1345,11 @@ var PDFView = {
 
       if (pdfTitle)
         self.setTitle(pdfTitle + ' - ' + document.title);
+
+      if (info.IsAcroFormPresent) {
+        // AcroForm/XFA was found
+        PDFView.fallback();
+      }
     });
   },
 
@@ -1955,10 +1960,6 @@ var PageView = function pageView(container, pdfPage, id, scale,
             if (textAnnotation)
               div.appendChild(textAnnotation);
             break;
-          case 'Widget':
-            // TODO: support forms
-            PDFView.fallback();
-            break;
         }
       }
     });