def __init__(self, applet):
self.__applet = applet
self.__city_boxes = {}
self.cache_surface = {}
# Initialize the base clock so that the clocks can be drawn immediately when exposed
self.__previous_state = (None, None, applet.applet.settings["theme"])
self.base_clock = AnalogClock(
AnalogClockThemeProvider(self.__previous_state[2]), clock_size)
self.__cities_vbox = gtk.VBox(spacing=6)
if "cities-timezones" not in applet.applet.settings:
applet.applet.settings["cities-timezones"] = list()
self.__cities_timezones = applet.applet.settings["cities-timezones"]
applet.applet.timing.register(self.draw_clock_cb, draw_clock_interval)
def draw_clock_cb(self):
local_time = time.localtime()
new_state = (local_time[3], local_time[4],
self.__applet.applet.settings["theme"],
self.__applet.applet.settings["time-24-format"])
if self.__previous_state == new_state:
return
if self.__previous_state[2] != new_state[2]:
self.base_clock = AnalogClock(
AnalogClockThemeProvider(new_state[2]), clock_size)
self.__previous_state = new_state
# Clear cache because theme might have changed and to avoid memory leaks
self.cache_surface.clear()
# Update all clock images and timezone labels
local_datetime = datetime.now(tz.tzlocal())
for box in self.__city_boxes.itervalues():
box.update_clock_image()
box.update_timezone_label(local_datetime)
