Handle invitations using Mission Control 5.

src/sugar/activity/activity.py: If the activity is being invoked to
handle an invite, create a Client.Handler instance and share the
activity when HandleChannels is invoked.

src/sugar/activity/activityfactory.py,
src/sugar/activity/activityhandle.py,
src/sugar/activity/main.py: Add a -i switch that indicates to the
activity that it should handle the channel from an invitation.

src/sugar/presence/activity.py: Expose Activity.room_handle.

src/sugar/presence/presenceservice.py: Add get_activity_by_handle().

src/sugar/presence/util.py: Add get_account_for_connection().

1 files changed, 6 insertions, 0 deletions

diff --git a/src/sugar/presence/util.py b/src/sugar/presence/util.py
index 30346c1..361ee16 100644
--- a/src/sugar/presence/util.py
+++ b/src/sugar/presence/util.py
@@ -50,6 +50,12 @@ class ConnectionManager(object):
     def get_connections_per_account(self):
         return self._connections_per_account
 
+    def get_account_for_connection(self, connection_path):
+        for account_path, connection in self._connections_per_account.items():
+            if connection.object_path == connection_path:
+                return account_path
+        return None
+
 _connection_manager = None
 
 def get_connection_manager():