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317 lines
11 KiB
Python
317 lines
11 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 util
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import logging
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from telepathy.interfaces import (CHANNEL_INTERFACE)
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_ACTIVITY_PATH = "/org/laptop/Sugar/Presence/Activities/"
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_ACTIVITY_INTERFACE = "org.laptop.Sugar.Presence.Activity"
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class DBusGObjectMetaclass(dbus.service.InterfaceType, gobject.GObjectMeta): pass
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class DBusGObject(dbus.service.Object, gobject.GObject): __metaclass__ = DBusGObjectMetaclass
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class Activity(DBusGObject):
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__gtype_name__ = "Activity"
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__gsignals__ = {
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'validity-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
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([gobject.TYPE_BOOLEAN]))
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}
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__gproperties__ = {
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'id' : (str, None, None, None,
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gobject.PARAM_READWRITE | gobject.PARAM_CONSTRUCT_ONLY),
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'name' : (str, None, None, None, gobject.PARAM_READWRITE),
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'color' : (str, None, None, None, gobject.PARAM_READWRITE),
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'type' : (str, None, None, None, gobject.PARAM_READWRITE),
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'valid' : (bool, None, None, False, gobject.PARAM_READABLE),
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'local' : (bool, None, None, False,
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gobject.PARAM_READWRITE | gobject.PARAM_CONSTRUCT_ONLY),
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'joined' : (bool, None, None, False, gobject.PARAM_READABLE)
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}
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def __init__(self, bus_name, object_id, tp, **kwargs):
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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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if not tp:
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raise ValueError("telepathy CM must be valid")
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self._object_id = object_id
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self._object_path = _ACTIVITY_PATH + str(self._object_id)
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dbus.service.Object.__init__(self, bus_name, self._object_path)
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self._buddies = []
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self._joined = False
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# the telepathy client
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self._tp = tp
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self._text_channel = None
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self._valid = False
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self._id = None
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self._color = None
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self._local = False
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self._type = None
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if not kwargs.get("id"):
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raise ValueError("activity id is required")
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if not util.validate_activity_id(kwargs['id']):
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raise ValueError("Invalid activity id '%s'" % kwargs['id'])
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gobject.GObject.__init__(self, **kwargs)
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if self.props.local and not self.props.valid:
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raise RuntimeError("local activities require color, type, and name")
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# If not yet valid, query activity properties
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if not self.props.valid:
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tp.update_activity_properties(self._id)
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def do_get_property(self, pspec):
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if pspec.name == "id":
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return self._id
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elif pspec.name == "name":
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return self._name
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elif pspec.name == "color":
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return self._color
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elif pspec.name == "type":
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return self._type
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elif pspec.name == "valid":
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return self._valid
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elif pspec.name == "joined":
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return self._joined
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elif pspec.name == "local":
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return self._local
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def do_set_property(self, pspec, value):
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if pspec.name == "id":
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self._id = value
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elif pspec.name == "name":
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self._name = value
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elif pspec.name == "color":
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self._color = value
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elif pspec.name == "type":
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if self._type:
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raise RuntimeError("activity type is already set")
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self._type = value
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elif pspec.name == "joined":
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self._joined = value
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elif pspec.name == "local":
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self._local = value
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self._update_validity()
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def _update_validity(self):
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try:
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old_valid = self._valid
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if self._color and self._name and self._id and self._type:
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self._valid = True
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else:
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self._valid = False
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if old_valid != self._valid:
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self.emit("validity-changed", self._valid)
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except AttributeError:
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self._valid = False
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# dbus signals
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@dbus.service.signal(_ACTIVITY_INTERFACE,
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signature="o")
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def BuddyJoined(self, buddy_path):
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pass
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@dbus.service.signal(_ACTIVITY_INTERFACE,
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signature="o")
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def BuddyLeft(self, buddy_path):
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pass
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@dbus.service.signal(_ACTIVITY_INTERFACE,
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signature="o")
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def NewChannel(self, channel_path):
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pass
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# dbus methods
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@dbus.service.method(_ACTIVITY_INTERFACE,
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in_signature="", out_signature="s")
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def GetId(self):
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return self.props.id
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@dbus.service.method(_ACTIVITY_INTERFACE,
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in_signature="", out_signature="s")
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def GetColor(self):
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return self.props.color
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@dbus.service.method(_ACTIVITY_INTERFACE,
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in_signature="", out_signature="s")
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def GetType(self):
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return self.props.type
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@dbus.service.method(_ACTIVITY_INTERFACE, in_signature="", out_signature="",
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async_callbacks=('async_cb', 'async_err_cb'))
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def Join(self, async_cb, async_err_cb):
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self.join(async_cb, async_err_cb)
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@dbus.service.method(_ACTIVITY_INTERFACE,
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in_signature="", out_signature="ao")
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def GetJoinedBuddies(self):
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ret = []
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for buddy in self._buddies:
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if buddy.props.valid:
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ret.append(buddy.object_path())
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return ret
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@dbus.service.method(_ACTIVITY_INTERFACE,
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in_signature="", out_signature="soao")
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def GetChannels(self):
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return self.get_channels()
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@dbus.service.method(_ACTIVITY_INTERFACE,
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in_signature="", out_signature="s")
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def GetName(self):
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return self.props.name
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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 get_joined_buddies(self):
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ret = []
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for buddy in self._buddies:
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if buddy.props.valid:
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ret.append(buddy)
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return ret
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def buddy_joined(self, buddy):
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if buddy not in self._buddies:
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self._buddies.append(buddy)
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if self.props.valid:
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self.BuddyJoined(buddy.object_path())
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def buddy_left(self, buddy):
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if buddy in self._buddies:
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self._buddies.remove(buddy)
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if self.props.valid:
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self.BuddyLeft(buddy.object_path())
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def _handle_share_join(self, tp, text_channel):
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if not text_channel:
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logging.debug("Error sharing: text channel was None, shouldn't happen")
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raise RuntimeError("Plugin returned invalid text channel")
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self._text_channel = text_channel
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self._text_channel[CHANNEL_INTERFACE].connect_to_signal('Closed',
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self._text_channel_closed_cb)
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self._joined = True
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return True
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def _shared_cb(self, tp, activity_id, text_channel, exc, userdata):
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if activity_id != self.props.id:
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# Not for us
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return
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(sigid, owner, async_cb, async_err_cb) = userdata
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self._tp.disconnect(sigid)
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if exc:
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logging.debug("Share of activity %s failed: %s" % (self._id, exc))
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async_err_cb(exc)
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else:
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self._handle_share_join(tp, text_channel)
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self.send_properties()
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owner.add_activity(self)
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async_cb(dbus.ObjectPath(self._object_path))
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logging.debug("Share of activity %s succeeded." % self._id)
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def _share(self, (async_cb, async_err_cb), owner):
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logging.debug("Starting share of activity %s" % self._id)
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if self._joined:
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async_err_cb(RuntimeError("Already shared activity %s" % self.props.id))
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return
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sigid = self._tp.connect('activity-shared', self._shared_cb)
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self._tp.share_activity(self.props.id, (sigid, owner, async_cb, async_err_cb))
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logging.debug("done with share attempt %s" % self._id)
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def _joined_cb(self, tp, activity_id, text_channel, exc, userdata):
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if activity_id != self.props.id:
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# Not for us
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return
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(sigid, async_cb, async_err_cb) = userdata
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self._tp.disconnect(sigid)
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if exc:
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async_err_cb(exc)
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else:
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self._handle_share_join(tp, text_channel)
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async_cb()
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def join(self, async_cb, async_err_cb):
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if self._joined:
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async_err_cb(RuntimeError("Already joined activity %s" % self.props.id))
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return
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sigid = self._tp.connect('activity-joined', self._joined_cb)
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self._tp.join_activity(self.props.id, (sigid, async_cb, async_err_cb))
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def get_channels(self):
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conn = self._tp.get_connection()
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# FIXME add tubes and others channels
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return str(conn.service_name), conn.object_path, [self._text_channel.object_path]
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def leave(self):
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if self._joined:
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self._text_channel[CHANNEL_INTERFACE].Close()
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def _text_channel_closed_cb(self):
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self._joined = False
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self._text_channel = None
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def send_properties(self):
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props = {}
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props['name'] = self._name
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props['color'] = self._color
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props['type'] = self._type
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self._tp.set_activity_properties(self.props.id, props)
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def set_properties(self, properties):
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changed = False
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if "name" in properties.keys():
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name = properties["name"]
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if name != self._name:
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self._name = name
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changed = True
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if "color" in properties.keys():
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color = properties["color"]
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if color != self._color:
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self._color = color
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changed = True
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if "type" in properties.keys():
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type = properties["type"]
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if type != self._type:
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self._type = type
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changed = True
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if changed:
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self._update_validity()
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