Open-ILS/web/js/dojo/openils/XUL.js

   1 if(!dojo._hasResource["openils.XUL"]) {
   2
   3     dojo.provide("openils.XUL");
   4     dojo.declare('openils.XUL', null, {});
   5
   6     openils.XUL.isXUL = function() {
   7         return Boolean(window.IAMXUL);
   8     }
   9
  10     openils.XUL.getStash = function() {
  11         if(openils.XUL.isXUL()) {
  12             try {
  13                 if(openils.XUL.enableXPConnect()) {
  14                                 var CacheClass = new Components.Constructor("@mozilla.org/openils_data_cache;1", "nsIOpenILS");
  15                                 return new CacheClass().wrappedJSObject.OpenILS.prototype.data;
  16                 }
  17             } catch(e) {
  18                 console.log("Error loading XUL stash: " + e);
  19             }
  20         }
  21
  22         return {};
  23     }
  24
  25     /**
  26      * This can be used by privileged Firefox in addition to XUL.
  27      * To use use in Firefox directly, set signed.applets.codebase_principal_support to true in about:config
  28      */
  29     openils.XUL.enableXPConnect = function() {
  30         try {
  31             netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
  32         } catch (E) {
  33             if(dojo.isFF) {
  34                 console.error("Unable to enable UniversalXPConnect privileges.  " +
  35                     "Try setting 'signed.applets.codebase_principal_support' to true in about:config");
  36             }
  37             return false;
  38         }
  39         return true;
  40     }
  41 }
  42
  43