From 3b405cf6118ede8d82ff9b1abf873c08812cdc1f Mon Sep 17 00:00:00 2001
From: Yury Delendik <ydelendik@mozilla.com>
Date: Thu, 12 Jun 2014 12:40:59 -0500
Subject: [PATCH] Protects PDFJS.disableXXX == true from change

---
 web/viewer.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/web/viewer.js b/web/viewer.js
index 2b529a5cb..7d6bfc9d7 100644
--- a/web/viewer.js
+++ b/web/viewer.js
@@ -223,21 +223,33 @@ var PDFView = {
 
     var initializedPromise = Promise.all([
       Preferences.get('enableWebGL').then(function resolved(value) {
+        if (PDFJS.disableWebGL === true) {
+          return;
+        }
         PDFJS.disableWebGL = !value;
       }),
       Preferences.get('sidebarViewOnLoad').then(function resolved(value) {
         self.preferenceSidebarViewOnLoad = value;
       }),
       Preferences.get('disableTextLayer').then(function resolved(value) {
+        if (PDFJS.disableTextLayer === true) {
+          return;
+        }
         PDFJS.disableTextLayer = value;
       }),
       Preferences.get('disableRange').then(function resolved(value) {
+        if (PDFJS.disableRange === true) {
+          return;
+        }
         PDFJS.disableRange = value;
       }),
       Preferences.get('disableAutoFetch').then(function resolved(value) {
         PDFJS.disableAutoFetch = value;
       }),
       Preferences.get('disableFontFace').then(function resolved(value) {
+        if (PDFJS.disableFontFace === true) {
+          return;
+        }
         PDFJS.disableFontFace = value;
       }),
       Preferences.get('useOnlyCssZoom').then(function resolved(value) {