Solaar/app/ui/notify.py

76 lines
1.7 KiB
Python

#
# Optional desktop notifications.
#
import logging
try:
from gi.repository import Notify
import ui
from logitech.devices.constants import STATUS
# necessary because the notifications daemon does not know about our XDG_DATA_DIRS
_icons = {}
def _icon(title):
if title not in _icons:
_icons[title] = ui.icon_file(title)
return _icons.get(title)
# assumed to be working since the import succeeded
available = True
_notifications = {}
def init(app_title):
"""Init the notifications system."""
global available
if available:
if not Notify.is_initted():
logging.info("starting desktop notifications")
try:
return Notify.init(app_title)
except:
logging.exception("initializing desktop notifications")
available = False
return available and Notify.is_initted()
def uninit():
if available and Notify.is_initted():
logging.info("stopping desktop notifications")
_notifications.clear()
Notify.uninit()
def show(dev):
"""Show a notification with title and text."""
if available and Notify.is_initted():
summary = dev.name
# if a notification with same name is already visible, reuse it to avoid spamming
n = _notifications.get(summary)
if n is None:
n = _notifications[summary] = Notify.Notification()
n.update(summary, dev.status_text, _icon(summary) or dev.kind)
urgency = Notify.Urgency.LOW if dev.status > STATUS.CONNECTED else Notify.Urgency.NORMAL
n.set_urgency(urgency)
try:
# logging.debug("showing %s", n)
n.show()
except Exception:
logging.exception("showing %s", n)
except ImportError:
logging.warn("desktop notifications disabled")
available = False
init = lambda app_title: False
uninit = lambda: None
show = lambda dev: None