D-bus monitor

linux/schwinn810-tray-linux.py

@@ -0,0 +1,87 @@
+#!/usr/bin/env python
+
+import pygtk
+pygtk.require('2.0')
+import gtk
+import dbus
+from subprocess import Popen
+
+class DeviceAddedListener:
+    def __init__(self, tray):
+        self.tray = tray
+        self.bus = dbus.SystemBus()
+        self.hal_manager_obj = self.bus.get_object(
+            "org.freedesktop.Hal", 
+            "/org/freedesktop/Hal/Manager")
+        self.hal_manager = dbus.Interface(self.hal_manager_obj,
+            "org.freedesktop.Hal.Manager")
+        self.hal_manager.connect_to_signal("DeviceAdded", self._added)
+        self.hal_manager.connect_to_signal("DeviceRemoved", self._removed)
+
+        for udi in self.hal_manager.FindDeviceByCapability("serial"):
+            if "usb" not in udi:
+                next
+            device_obj = self.bus.get_object('org.freedesktop.Hal', udi)
+            usb = dbus.Interface(device_obj, 'org.freedesktop.Hal.Device')
+            if self.check_parent(usb):
+                self.udi = udi
+                self.fire()
+                break
+
+    def check_parent(self, device):
+        parent = device.GetProperty('info.parent')
+        parent_obj = self.bus.get_object ( 'org.freedesktop.Hal', parent)
+        usb = dbus.Interface(parent_obj, 'org.freedesktop.Hal.Device')
+        if usb.GetProperty("linux.subsystem") == "usb" and \
+           usb.GetProperty("usb.vendor_id") == 0x10c4 and \
+           usb.GetProperty("usb.product_id") == 0xea61:
+            return True
+
+    def _added(self, udi):
+        device_obj = self.bus.get_object ("org.freedesktop.Hal", udi)
+        device = dbus.Interface(device_obj, "org.freedesktop.Hal.Device")
+
+        if device.QueryCapability("serial") and self.check_parent(device):
+            self.udi = udi
+            return self.fire()
+
+    def _removed(self, udi):
+        if self.udi and self.udi == udi:
+            self.tray.statusIcon.set_from_stock(gtk.STOCK_DISCONNECT)
+
+    def fire(self):
+        self.tray.statusIcon.set_from_stock(gtk.STOCK_CONNECT)
+        Popen("schwinn810")
+
+class Schwinn810Tray:
+
+    def __init__(self):
+        self.statusIcon = gtk.StatusIcon()
+        self.statusIcon.set_from_stock(gtk.STOCK_DISCONNECT)
+        self.statusIcon.set_visible(True)
+        self.statusIcon.set_tooltip("Schwinn810 monitor")
+
+        self.menu = gtk.Menu()
+        self.menuItem = gtk.ImageMenuItem(gtk.STOCK_QUIT)
+        self.menuItem.connect('activate', self.quit_cb, self.statusIcon)
+        self.menu.append(self.menuItem)
+        self.menu.show_all()
+
+        self.statusIcon.connect('popup-menu', self.popup_menu_cb, self.menu)
+        self.statusIcon.set_visible(1)
+
+        from dbus.mainloop.glib import DBusGMainLoop
+        DBusGMainLoop(set_as_default=True)
+        DeviceAddedListener(self)
+        gtk.main()
+
+    def quit_cb(self, widget, data = None):
+        gtk.main_quit()
+
+
+    def popup_menu_cb(self, widget, button, time, data = None):
+        data.popup(None, None, gtk.status_icon_position_menu,
+                   button, time, self.statusIcon)
+
+if __name__ == "__main__":
+    Schwinn810Tray()