def _on_rose_timer(self):
        rose = self._rose
        rose.setMode(self._target_rose_mode)
        rose.mouseOver(self._hover_pos)
        self._show_band = True
        self._update_band_state()
Used to enable/disable a service. For compute services, setting to
dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/qt/docking/dock_overlay.py/DockOverlay._on_rose_timer--crossover with--dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/compute/cells_api.py/HostAPI.service_update