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annotate frontends/src/primitivus/notify.py @ 1723:5632c5350296

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core: avoid initialisation blocking when a long callback is added to backend.initialised (could prevent sessions starting)
author Goffi <goffi@goffi.org>
date Mon, 07 Dec 2015 13:10:44 +0100
parents 069ad98b360d
children d17772b0fe22
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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4 # Primitivus: a SAT frontend
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5 # Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014, 2015 Jérôme Poisson (goffi@goffi.org)
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 import dbus
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21
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22 class Notify(object):
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23 """Used to send notification and detect if we have focus"""
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25 def __init__(self):
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27 #X11 stuff
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28 self.display = None
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29 self.X11_id = -1
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31 try:
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32 from Xlib import display as X_display
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33 self.display = X_display.Display()
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34 self.X11_id = self.getFocus()
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35 except:
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36 pass
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38 #Now we try to connect to Freedesktop D-Bus API
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39 try:
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40 bus = dbus.SessionBus()
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41 db_object = bus.get_object('org.freedesktop.Notifications', '/org/freedesktop/Notifications', follow_name_owner_changes=True)
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42 self.freedesktop_int = dbus.Interface(db_object, dbus_interface='org.freedesktop.Notifications')
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43 except:
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44 self.freedesktop_int = None
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46 def getFocus(self):
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47 if not self.display:
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48 return 0
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49 return self.display.get_input_focus().focus.id
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51 def hasFocus(self):
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52 return (self.getFocus() == self.X11_id) if self.display else True
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54 def useX11(self):
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55 return bool(self.display)
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57 def sendNotification(self, summ_mess, body_mess=""):
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58 """Send notification to the user if possible"""
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59 #TODO: check options before sending notifications
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60 if self.freedesktop_int:
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61 self.sendFDNotification(summ_mess, body_mess)
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63 def sendFDNotification(self, summ_mess, body_mess=""):
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64 """Send notification with the FreeDesktop D-Bus API"""
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65 if self.freedesktop_int:
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66 app_name = "Primitivus"
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67 replaces_id = 0
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68 app_icon = ""
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69 summary = summ_mess
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70 body = body_mess
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71 actions = dbus.Array(signature='s')
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72 hints = dbus.Dictionary(signature='sv')
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73 expire_timeout = -1
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74
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75 self.freedesktop_int.Notify(app_name, replaces_id, app_icon,
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76 summary, body, actions,
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77 hints, expire_timeout)