78 lines
1.9 KiB
Python
78 lines
1.9 KiB
Python
#
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# Optional desktop notifications.
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#
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import logging
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try:
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from gi.repository import Notify
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from gi.repository import Gtk
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from logitech.devices.constants import STATUS
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# necessary because the notifications daemon does not know about our XDG_DATA_DIRS
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theme = Gtk.IconTheme.get_default()
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_icons = {}
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def _icon(title):
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if title not in _icons:
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icon = theme.lookup_icon(title, 0, 0)
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_icons[title] = icon.get_filename() if icon else None
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return _icons.get(title)
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# assumed to be working since the import succeeded
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available = True
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_notifications = {}
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def init(app_title=None):
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"""Init the notifications system."""
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global available
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if available:
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logging.info("starting desktop notifications")
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if not Notify.is_initted():
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try:
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return Notify.init(app_title or Notify.get_app_name())
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except:
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logging.exception("initializing desktop notifications")
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available = False
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return available and Notify.is_initted()
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def uninit():
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if available and Notify.is_initted():
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logging.info("stopping desktop notifications")
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_notifications.clear()
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Notify.uninit()
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def show(dev):
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"""Show a notification with title and text."""
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if available and Notify.is_initted():
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summary = dev.device_name
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# if a notification with same name is already visible, reuse it to avoid spamming
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n = _notifications.get(summary)
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if n is None:
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n = _notifications[summary] = Notify.Notification()
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n.update(summary, dev.status_text, _icon(summary) or dev.kind)
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urgency = Notify.Urgency.LOW if dev.status > STATUS.CONNECTED else Notify.Urgency.NORMAL
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n.set_urgency(urgency)
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try:
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# logging.debug("showing %s", n)
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n.show()
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except Exception:
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logging.exception("showing %s", n)
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except ImportError:
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logging.warn("Notify not found in gi.repository, desktop notifications are disabled")
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available = False
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init = lambda app_title: False
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uninit = lambda: None
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show = lambda status_code, title, text: None
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