Updated screen sharing error messages.

static/js/directives/screenshare.js

@@ -18,7 +18,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
-define(['jquery', 'underscore', 'text!partials/screenshare.html', 'text!partials/screensharepeer.html', 'bigscreen'], function($, _, template, templatePeer, BigScreen) {
+define(['jquery', 'underscore', 'text!partials/screenshare.html', 'text!partials/screensharepeer.html', 'bigscreen', 'webrtc.adapter'], function($, _, template, templatePeer, BigScreen) {
 
 	return ["$window", "mediaStream", "$compile", "safeApply", "videoWaiter", "$timeout", "alertify", "translation", "screensharing", function($window, mediaStream, $compile, safeApply, videoWaiter, $timeout, alertify, translation, screensharing) {
 
@@ -266,8 +266,20 @@ define(['jquery', 'underscore', 'text!partials/screenshare.html', 'text!partials
 					$scope.$apply(function(scope) {
 						scope.stopScreenshare();
 					});
-					if (error && error.name === "PermissionDeniedError") {
+					if (error && error.name) {
+						switch (error.name) {
+						case "PermissionDeniedError":
+							if ($window.webrtcDetectedVersion >= 32 &&
+								$window.webrtcDetectedVersion < 37) {
 								alertify.dialog.alert(translation._("Permission to start screen sharing was denied. Make sure to have enabled screen sharing access for your browser. Copy chrome://flags/#enable-usermedia-screen-capture and open it with your browser and enable the flag on top. Then restart the browser and you are ready to go."));
+							} else {
+								alertify.dialog.alert(translation._("Permission to start screen sharing was denied."));
+							}
+							break;
+						default:
+							alertify.dialog.alert(translation._("Failed to start screen sharing (%s).", error.name));
+							break
+						}
 					}
 				});