MOBILE-2211 scorm: Pass parameters to the sco

www/addons/mod/scorm/services/scorm.js

@@ -735,16 +735,40 @@ angular.module('mm.addons.mod_scorm')
      * @return {Promise}        Promise resolved with the URL.
      */
     self.getScoSrc = function(scorm, sco, siteId) {
-        if (sco.launch.match(/http(s)?:\/\//)) {
-            // It's an online URL.
-            return $q.when($sce.trustAsResourceUrl(sco.launch));
+        siteId = siteId || $mmSite.getId();
+
+        // Build the launch URL. Moodle web checks SCORM version, we don't need to, it's always SCORM 1.2.
+        var launchUrl = sco.launch,
+            connector = '',
+            parameters;
+
+        if (sco.extradata && sco.extradata.length) {
+            for (var i = 0; i < sco.extradata.length; i++) {
+                var entry = sco.extradata[i];
+                if (entry.element == 'parameters') {
+                    parameters = entry.value;
+                    break;
+                }
+            }
         }
 
-        siteId = siteId || $mmSite.getId();
+        if (parameters) {
+            connector = launchUrl.indexOf('?') > -1 ? '&' : '?';
+            if (parameters.charAt(0) == '?') {
+                parameters = parameters.substr(1);
+            }
+
+            launchUrl += connector + parameters;
+        }
+
+        if (isExternalLink(launchUrl)) {
+            // It's an online URL.
+            return $q.when($sce.trustAsResourceUrl(launchUrl));
+        }
 
         return $mmFilepool.getPackageDirUrlByUrl(siteId, scorm.moduleurl).then(function(dirPath) {
             // This URL is going to be injected in an iframe, we need trustAsResourceUrl to make it work in a browser.
-            return $sce.trustAsResourceUrl($mmFS.concatenatePaths(dirPath, sco.launch));
+            return $sce.trustAsResourceUrl($mmFS.concatenatePaths(dirPath, launchUrl));
         });
     };
 
@@ -1071,6 +1095,25 @@ angular.module('mm.addons.mod_scorm')
         });
     };
 
+    /**
+     * Given a launch URL, check if it's a external link.
+     * Based on Moodle's scorm_external_link.
+     *
+     * @param  {String}  link Link to check.
+     * @return {Boolean}      Whether it's an external link.
+     */
+    function isExternalLink(link) {
+        link = link.toLowerCase();
+
+        if (link.match(/https?:\/\//)) {
+            return true;
+        } else if (link.substr(0, 4) == 'www.') {
+            return true;
+        }
+
+        return false;
+    }
+
     /**
      * Return whether or not the plugin is enabled in a certain site. Plugin is enabled if the scorm WS are available.
      *