210 lines
6.4 KiB
Python
210 lines
6.4 KiB
Python
# Copyright (C) 2007, Red Hat, Inc.
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# Copyright (C) 2007, Collabora Ltd.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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import gobject
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import dbus, dbus.service
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from sugar import profile
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_BUDDY_PATH = "/org/laptop/Sugar/Presence/Buddies/"
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_BUDDY_INTERFACE = "org.laptop.Sugar.Presence.Buddy"
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_OWNER_INTERFACE = "org.laptop.Sugar.Presence.Buddy.Owner"
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class NotFoundError(dbus.DBusException):
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def __init__(self):
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dbus.DBusException.__init__(self)
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self._dbus_error_name = _PRESENCE_INTERFACE + '.NotFound'
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class Buddy(dbus.service.Object):
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"""Represents another person on the network and keeps track of the
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activities and resources they make available for sharing."""
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def __init__(self, bus_name, object_id, icon_cache, handle=None):
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if not bus_name:
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raise ValueError("DBus bus name must be valid")
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if not object_id or not isinstance(object_id, int):
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raise ValueError("object id must be a valid number")
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self._bus_name = bus_name
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self._object_id = object_id
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self._object_path = _BUDDY_PATH + str(self._object_id)
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dbus.service.Object.__init__(self, self._bus_name, self._object_path)
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self._activities = {} # Activity ID -> Activity
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self._icon_cache = icon_cache
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self._handle = handle
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self._nick_name = None
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self._color = None
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self._key = None
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self._current_activity = None
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# dbus signals
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@dbus.service.signal(_BUDDY_INTERFACE,
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signature="ay")
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def IconChanged(self, icon_data):
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pass
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@dbus.service.signal(_BUDDY_INTERFACE,
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signature="o")
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def JoinedActivity(self, activity_path):
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pass
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@dbus.service.signal(_BUDDY_INTERFACE,
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signature="o")
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def LeftActivity(self, activity_path):
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pass
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@dbus.service.signal(_BUDDY_INTERFACE,
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signature="a{sv}")
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def PropertyChanged(self, updated):
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pass
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# dbus methods
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@dbus.service.method(_BUDDY_INTERFACE,
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in_signature="", out_signature="ay")
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def GetIcon(self):
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icon = self.get_icon()
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if not icon:
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return ""
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return icon
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@dbus.service.method(_BUDDY_INTERFACE,
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in_signature="", out_signature="ao")
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def GetJoinedActivities(self):
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acts = []
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for act in self.get_joined_activities():
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acts.append(act.object_path())
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return acts
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@dbus.service.method(_BUDDY_INTERFACE,
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in_signature="", out_signature="a{sv}")
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def GetProperties(self):
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props = {}
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props['name'] = self.get_name()
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props['owner'] = self.is_owner()
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props['key'] = self.get_key()
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color = self.get_color()
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if color:
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props['color'] = color
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return props
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# methods
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def object_path(self):
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return dbus.ObjectPath(self._object_path)
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def add_activity(self, activity):
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actid = activity.get_id()
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if self._activities.has_key(actid):
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return
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self._activities[actid] = activity
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if activity.is_valid():
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self.JoinedActivity(activity.object_path())
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def remove_activity(self, activity):
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actid = activity.get_id()
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if not self._activities.has_key(actid):
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return
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del self._activities[actid]
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if activity.is_valid():
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self.LeftActivity(activity.object_path())
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def get_joined_activities(self):
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acts = []
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for act in self._activities.values():
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if act.is_valid():
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acts.append(act)
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return acts
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def get_icon(self):
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"""Return the buddies icon, if any."""
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return self._icon
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def get_name(self):
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return self._nick_name
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def get_color(self):
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return self._color
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def get_current_activity(self):
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if not self._current_activity:
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return None
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if not self._activities.has_key(self._current_activity):
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return None
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return self._activities[self._current_activity]
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def _set_icon(self, icon):
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"""Can only set icon for other buddies. The Owner
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takes care of setting it's own icon."""
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if icon != self._icon:
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self._icon = icon
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self.IconChanged(icon)
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def _set_name(self, name):
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self._nick_name = name
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def _set_color(self, color):
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self._color = color
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def set_properties(self, prop):
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if "name" in properties.keys():
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self._set_name(properties["name"])
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if "color" in properties.keys():
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self._set_color(properties["color"])
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self.PropertyChanged(properties)
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def is_owner(self):
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return False
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def set_key(self, key):
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self._key = key
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def get_key(self):
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return self._key
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class Owner(Buddy):
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"""Class representing the owner of the machine. This is the client
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portion of the Owner, paired with the server portion in Owner.py."""
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def __init__(self, ps, bus_name, object_id, icon_cache):
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Buddy.__init__(self, bus_name, object_id, icon_cache)
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self._ps = ps
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self._nick_name = profile.get_nick_name()
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self._color = profile.get_color().to_string()
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self._key = profile.get_pubkey()
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# dbus methods
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@dbus.service.method(_OWNER_INTERFACE,
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in_signature="ay", out_signature="")
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def SetIcon(self, icon_data):
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self.set_icon(icon_data)
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@dbus.service.method(_OWNER_INTERFACE,
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in_signature="a{sv}", out_signature="")
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def SetProperties(self, prop):
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self.set_properties(self, prop)
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# methods
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def is_owner(self):
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return True
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def set_icon(self, icon):
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self._icon = icon
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