docs: function () {
              this.screenOrientation = Aria.$window.orientation;
              this.isPortrait = this.__isPortrait();
              // raise event "change" to notify about orientation change along with properties for current orientation
              this.$raiseEvent({
                  name : "change",
                  screenOrientation : this.screenOrientation,
                  isPortrait : this.isPortrait
              });
          }