Merge branch 'master' of git+ssh://dev.laptop.org/git/sugar

services/shell/bundleregistry.py

@@ -69,16 +69,16 @@ class BundleRegistry(gobject.GObject):
     def __init__(self):
         gobject.GObject.__init__(self)
         
-        self._bundles = {}
+        self._bundles = []
         self._search_path = []
         self._service_manager = _ServiceManager()
 
     def get_bundle(self, service_name):
         """Returns an bundle given his service name"""
-        if self._bundles.has_key(service_name):
-            return self._bundles[service_name]
-        else:
-            return None
+        for bundle in self._bundles:
+            if bundle.get_service_name() == service_name:
+                return bundle
+        return None
 
     def add_search_path(self, path):
         """Add a directory to the bundles search path"""
@@ -86,20 +86,30 @@ class BundleRegistry(gobject.GObject):
         self._scan_directory(path)
     
     def __iter__(self):
-        return self._bundles.values().__iter__()
+        return self._bundles.__iter__()
 
     def _scan_directory(self, path):
-        if os.path.isdir(path):
-            for f in os.listdir(path):
-                bundle_dir = os.path.join(path, f)
-                if os.path.isdir(bundle_dir) and \
-                   bundle_dir.endswith('.activity'):
-                    self.add_bundle(bundle_dir)
+        if not os.path.isdir(path):
+            return
+
+        # Sort by mtime to ensure a stable activity order
+        bundles = {}
+        for f in os.listdir(path):
+            if not f.endswith('.activity'):
+                continue
+            bundle_dir = os.path.join(path, f)
+            if os.path.isdir(bundle_dir):
+                bundles[bundle_dir] = os.stat(bundle_dir).st_mtime
+
+        bundle_dirs = bundles.keys()
+        bundle_dirs.sort(lambda d1,d2: cmp(bundles[d1], bundles[d2]))
+        for dir in bundle_dirs:
+            self.add_bundle(dir)
 
     def add_bundle(self, bundle_path):
         bundle = Bundle(bundle_path)
         if bundle.is_valid():
-            self._bundles[bundle.get_service_name()] = bundle
+            self._bundles.append(bundle)
             self._service_manager.add(bundle)
             self.emit('bundle-added', bundle)
             return True
@@ -108,7 +118,7 @@ class BundleRegistry(gobject.GObject):
 
     def get_activities_for_type(self, mime_type):
         result = []
-        for bundle in self._bundles.values():
+        for bundle in self._bundles:
             if bundle.get_mime_types() and mime_type in bundle.get_mime_types():
                 result.append(bundle)
         return result

sugar/presence/Makefile.am

@@ -3,5 +3,6 @@ sugar_PYTHON =			\
 	__init__.py		\
 	activity.py		\
 	buddy.py		\
+	tubeconn.py		\
 	presenceservice.py
 

sugar/presence/tubeconn.py

@@ -0,0 +1,107 @@
+# This should eventually land in telepathy-python, so has the same license:
+
+# Copyright (C) 2007 Collabora Ltd. <http://www.collabora.co.uk/>
+#
+# This program 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 2.1 of the License, or
+# (at your option) any later version.
+#
+# This program 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 program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+
+__all__ = ('TubeConnection',)
+__docformat__ = 'reStructuredText'
+
+
+import logging
+
+from dbus.connection import Connection
+
+
+logger = logging.getLogger('telepathy.tubeconn')
+
+
+class TubeConnection(Connection):
+
+    def __new__(cls, conn, tubes_iface, tube_id, address=None,
+                group_iface=None, mainloop=None):
+        if address is None:
+            address = tubes_iface.GetDBusServerAddress(tube_id)
+        self = super(TubeConnection, cls).__new__(cls, address,
+                                                  mainloop=mainloop)
+
+        self._tubes_iface = tubes_iface
+        self.tube_id = tube_id
+        self.participants = {}
+        self.bus_name_to_handle = {}
+        self._mapping_watches = []
+
+        if group_iface is None:
+            method = conn.GetSelfHandle
+        else:
+            method = group_iface.GetSelfHandle
+        method(reply_handler=self._on_get_self_handle_reply,
+               error_handler=self._on_get_self_handle_error)
+
+        return self
+
+    def _on_get_self_handle_reply(self, handle):
+        self.self_handle = handle
+        match = self._tubes_iface.connect_to_signal('DBusNamesChanged',
+                self._on_dbus_names_changed)
+        self._tubes_iface.GetDBusNames(self.tube_id,
+                reply_handler=self._on_get_dbus_names_reply,
+                error_handler=self._on_get_dbus_names_error)
+        self._dbus_names_changed_match = match
+
+    def _on_get_self_handle_error(self, e):
+        logging.basicConfig()
+        logger.error('GetSelfHandle failed: %s', e)
+
+    def close(self):
+        self._dbus_names_changed_match.remove()
+        self._on_dbus_names_changed(self.tube_id, (), self.participants.keys())
+        super(TubeConnection, self).close()
+
+    def _on_get_dbus_names_reply(self, names):
+        self._on_dbus_names_changed(self.tube_id, names, ())
+
+    def _on_get_dbus_names_error(self, e):
+        logging.basicConfig()
+        logger.error('GetDBusNames failed: %s', e)
+
+    def _on_dbus_names_changed(self, tube_id, added, removed):
+        if tube_id == self.tube_id:
+            for handle, bus_name in added:
+                if handle == self.self_handle:
+                    # I've just joined - set my unique name
+                    self.set_unique_name(bus_name)
+                self.participants[handle] = bus_name
+                self.bus_name_to_handle[bus_name] = handle
+
+            # call the callback while the removed people are still in
+            # participants, so their bus names are available
+            for callback in self._mapping_watches:
+                callback(added, removed)
+
+            for handle in removed:
+                bus_name = self.participants.pop(handle, None)
+                self.bus_name_to_handle.pop(bus_name, None)
+
+    def watch_participants(self, callback):
+        self._mapping_watches.append(callback)
+        if self.participants:
+            # GetDBusNames already returned: fake a participant add event
+            # immediately
+            added = []
+            for k, v in self.participants.iteritems():
+                added.append((k, v))
+            callback(added, [])