Cut over to new PresenceService

1 files changed, 193 insertions, 0 deletions

diff --git a/sugar/presence/buddy.py b/sugar/presence/buddy.py
new file mode 100644
index 0000000..740b29b
--- /dev/null
+++ b/sugar/presence/buddy.py
@@ -0,0 +1,193 @@
+# Copyright (C) 2006, Red Hat, Inc.
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the
+# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+
+import gobject
+import gtk
+import dbus
+
+class Buddy(gobject.GObject):
+
+    __gsignals__ = {
+        'icon-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
+                         ([])),
+        'disappeared': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
+                         ([])),
+        'service-appeared': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
+                         ([gobject.TYPE_PYOBJECT])),
+        'service-disappeared': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
+                         ([gobject.TYPE_PYOBJECT])),
+        'joined-activity': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
+                         ([gobject.TYPE_PYOBJECT])),
+        'left-activity': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
+                         ([gobject.TYPE_PYOBJECT])),
+        'property-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
+                         ([gobject.TYPE_PYOBJECT])),
+        'current-activity-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
+                         ([gobject.TYPE_PYOBJECT]))
+    }
+
+    _PRESENCE_SERVICE = "org.laptop.Presence"
+    _BUDDY_DBUS_INTERFACE = "org.laptop.Presence.Buddy"
+
+    def __init__(self, bus, new_obj_cb, del_obj_cb, object_path):
+        gobject.GObject.__init__(self)
+        self._object_path = object_path
+        self._ps_new_object = new_obj_cb
+        self._ps_del_object = del_obj_cb
+        self._properties = {}
+        bobj = bus.get_object(self._PRESENCE_SERVICE, object_path)
+        self._buddy = dbus.Interface(bobj, self._BUDDY_DBUS_INTERFACE)
+        self._buddy.connect_to_signal('IconChanged', self._icon_changed_cb)
+        self._buddy.connect_to_signal('ServiceAppeared', self._service_appeared_cb)
+        self._buddy.connect_to_signal('ServiceDisappeared', self._service_disappeared_cb)
+        self._buddy.connect_to_signal('Disappeared', self._disappeared_cb)
+        self._buddy.connect_to_signal('JoinedActivity', self._joined_activity_cb)
+        self._buddy.connect_to_signal('LeftActivity', self._left_activity_cb)
+        self._buddy.connect_to_signal('PropertyChanged', self._property_changed_cb)
+        self._buddy.connect_to_signal('CurrentActivityChanged', self._current_activity_changed_cb)
+        self._properties = self._get_properties_helper()
+
+        self._current_activity = None
+        try:
+            self._current_activity = self._buddy.getCurrentActivity()
+        except Exception, e:
+            pass
+
+    def _get_properties_helper(self):
+        props = self._buddy.getProperties()
+        if not props:
+            return {}
+        return props
+
+    def object_path(self):
+        return self._object_path
+
+    def _emit_icon_changed_signal(self):
+        self.emit('icon-changed')
+        return False
+
+    def _icon_changed_cb(self):
+        gobject.idle_add(self._emit_icon_changed_signal)
+
+    def _emit_disappeared_signal(self):
+        self.emit('disappeared')
+
+    def _disappeared_cb(self):
+        gobject.idle_add(self._emit_disappeared_signal)
+
+    def _emit_service_appeared_signal(self, object_path):
+        self.emit('service-appeared', self._ps_new_object(object_path))
+        return False
+
+    def _service_appeared_cb(self, object_path):
+        gobject.idle_add(self._emit_service_appeared_signal, object_path)
+
+    def _emit_service_disappeared_signal(self, object_path):
+        self.emit('service-disappeared', self._ps_new_object(object_path))
+        return False
+
+    def _service_disappeared_cb(self, object_path):
+        gobject.idle_add(self._emit_service_disappeared_signal, object_path)
+
+    def _emit_joined_activity_signal(self, object_path):
+        self.emit('joined-activity', self._ps_new_object(object_path))
+        return False
+
+    def _joined_activity_cb(self, object_path):
+        gobject.idle_add(self._emit_joined_activity_signal, object_path)
+
+    def _emit_left_activity_signal(self, object_path):
+        self.emit('left-activity', self._ps_new_object(object_path))
+        return False
+
+    def _left_activity_cb(self, object_path):
+        gobject.idle_add(self._emit_left_activity_signal, object_path)
+
+    def _handle_property_changed_signal(self, prop_list):
+        self._properties = self._get_properties_helper()
+        self.emit('property-changed', prop_list)
+        return False
+
+    def _property_changed_cb(self, prop_list):
+        gobject.idle_add(self._handle_property_changed_signal, prop_list)
+
+    def _handle_current_activity_changed_signal(self, act_list):
+        if len(act_list) == 0:
+            self._current_activity = None
+            self.emit('current-activity-changed', None)
+        else:
+            self._current_activity = act_list[0]
+            self.emit('current-activity-changed', self._ps_new_object(act_list[0]))
+        return False
+
+    def _current_activity_changed_cb(self, act_list):
+        gobject.idle_add(self._handle_current_activity_changed_signal, act_list)
+
+    def get_name(self):
+        return self._properties['name']
+
+    def get_ip4_address(self):
+        return self._properties['ip4_address']
+
+    def is_owner(self):
+        return self._properties['owner']
+
+    def get_color(self):
+        return self._properties['color']
+
+    def get_icon(self):
+        return self._buddy.getIcon()
+
+    def get_current_activity(self):
+        if not self._current_activity:
+            return None
+        return self._ps_new_object(self._current_activity)
+
+    def get_icon_pixbuf(self):
+        icon = self._buddy.getIcon()
+        if icon and len(icon):
+            pbl = gtk.gdk.PixbufLoader()
+            icon_data = ""
+            for item in icon:
+                if item < 0:
+                    item = item + 128
+                icon_data = icon_data + chr(item)
+            pbl.write(icon_data)
+            pbl.close()
+            return pbl.get_pixbuf()
+        else:
+            return None
+
+    def get_service_of_type(self, stype, activity=None):
+        try:
+            act_op = "/"
+            if activity:
+                act_op = activity.object_path()
+            object_path = self._buddy.getServiceOfType(stype, act_op)
+        except dbus.exceptions.DBusException:
+            return None
+        return self._ps_new_object(object_path)
+
+    def get_joined_activities(self):
+        try:
+            resp = self._buddy.getJoinedActivities()
+        except dbus.exceptions.DBusException:
+            return []
+        acts = []
+        for item in resp:
+            acts.append(self._ps_new_object(item))
+        return acts