perspective_manager_dbus_interface.py

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# Copyright (c) 2011, Dirk Thomas, Dorian Scholz, TU Darmstadt
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import dbus
from dbus.service import BusName, Object

from python_qt_binding.QtCore import qDebug


class PerspectiveManagerDBusInterface(Object):
    """DBus service of the `PerspectiveManager` available on the unique bus name."""

    def __init__(self, perspective_manager, application_context):
        bus_name = BusName(application_context.dbus_unique_bus_name, dbus.SessionBus())
        super(PerspectiveManagerDBusInterface, self).__init__(bus_name, '/PerspectiveManager')
        self._perspective_manager = perspective_manager

    @dbus.service.method('org.ros.qt_gui.PerspectiveManager', in_signature='s', out_signature='')
    def switch_perspective(self, perspective):
        qDebug('PerspectiveManagerDBusInterface.switch_perspective(%s)' % perspective)
        self._perspective_manager.switch_perspective(perspective)