notification.py

#Edited by Michele Bovo <madnessmike4ever@gmail.com>
#Changed notification system for better integrating it into Gnome-shell
from cloudsn import logger
from cloudsn.core.sound import Sound
from cloudsn.core import config
from datetime import datetime

notifications = []
disable = True
notifying = False
last_notify = tstart = datetime.now()

try:
    import pynotify
    if pynotify.init("Cloud Services Notifications"):
        disable = False
    else:
        logger.error("Cannot initialize libnotify")
except Exception, e:
    logger.exception ("there was a problem initializing the pynotify module: %s" % (e))


#def notify_closed_cb (n, data=None):
#    global notifications, notifying
#    notifying = False
#    if n in notifications:
#        notifications.remove (n)
#    n = None
#    notify_process()

def notify_process ():
    global notifications, notifying, last_notify

    if len(notifications) == 0:
        return;

#    if notifying == True:
#        #See Bug #622021 on gnome
#        diff = datetime.now() - last_notify
#        if diff.seconds > 30:
#            logger.debug("30 seconds from the last notification, reactivating")
#            notifying = False
#        else:
#            return

    while len(notifications) > 0:
        n = notifications.pop(0)
        #n.connect("closed", notify_closed_cb)
        n.show()

    notifying= True
    last_notify = datetime.now()
    #TODO Do it better and configuable
    sound = Sound()
    sound.play(config.add_data_prefix("drip.ogg"))

def notify (title, message, icon = None):
    if disable == True:
        raise NotificationError ("there was a problem initializing the pynotify module")

    global notifications
    n = pynotify.Notification(title, message)
    n.set_urgency(pynotify.URGENCY_LOW)
    #n.set_timeout(3000)

    if icon:
        n.set_icon_from_pixbuf(icon)

    notifications.append(n)
    notify_process()

class NotificationError(Exception): pass