docs: def detectBlackBerryTouch(self):
          """Return detection of a Blackberry touchscreen device
  
          Detects if the current browser is a BlackBerry Touch
          device, such as the Storm, Torch, and Bold Touch. Excludes the Playbook.
          """
          return UAgentInfo.deviceBBStorm in self.__userAgent \
                  or UAgentInfo.deviceBBTorch in self.__userAgent \
                  or UAgentInfo.deviceBBBoldTouch in self.__userAgent \
                  or UAgentInfo.deviceBBCurveTouch in self.__userAgent