gistfile1.js

  Utils.safeWakeLock({type: 'screen', timeoutMs: timeout + 5000},
                     function(done) {
                       this.started = unique;
                       this.wakelock = done;
                       this.display();
                       this.ring(true);
                       this.vibrate(this.notificationOptions.vibrate);
                       if (document.hidden) {
                         window.focus();
                       }
                       setTimeout(function rv_clearVibration() {
                         if (this.started === unique) {
                           this.stopNotify();
                         }
                         done();
                       }.bind(this), timeout);
                     }.bind(this));