Listen for and respond to Owner property changes

Pass the PS's owner object to each plugin.  Make the server plugin
listen to property changes and push those changes to the Jabber
server when they occur.

services/presence2/linklocal_plugin.py

@@ -18,9 +18,10 @@
 import gobject
 
 class LinkLocalPlugin(gobject.GObject):
-    def __init__(self, registry):
+    def __init__(self, registry, owner):
         gobject.GObject.__init__(self)
         self._registry = registry
+        self._owner = owner
 
     def cleanup(self):
         pass

services/presence2/presenceservice.py

@@ -58,7 +58,7 @@ class PresenceService(dbus.service.Object):
         self._registry.LoadManagers()
 
         # Set up the server connection
-        self._server_plugin = ServerPlugin(self._registry)
+        self._server_plugin = ServerPlugin(self._registry, self._owner)
         self._handles_buddies[self._server_plugin] = {}
 
         self._server_plugin.connect('status', self._server_status_cb)
@@ -72,7 +72,7 @@ class PresenceService(dbus.service.Object):
         self._server_plugin.start()
 
         # Set up the link local connection
-        self._ll_plugin = LinkLocalPlugin(self._registry)
+        self._ll_plugin = LinkLocalPlugin(self._registry, self._owner)
         self._handles_buddies[self._ll_plugin] = {}
 
         dbus.service.Object.__init__(self, self._bus_name, _PRESENCE_PATH)

services/presence2/server_plugin.py

@@ -43,31 +43,36 @@ _PROTOCOL = "jabber"
 class InvalidBuddyError(Exception):
     pass
 
-def _get_buddy_icon_at_size(maxw, maxh, maxsize):
-    icon = os.path.join(env.get_profile_path(), "buddy-icon.jpg")
-    pixbuf = gtk.gdk.pixbuf_new_from_file_at_size(icon, maxw, maxh)
+def _buddy_icon_save_cb(buf, data):
+    data[0] += buf
+    return True
 
-    obj = {}
-    obj['data'] = ""
+def _get_buddy_icon_at_size(icon, maxw, maxh, maxsize):
+    loader = gtk.gdk.PixbufLoader()
+    loader.write(icon)
+    loader.close()
+    unscaled_pixbuf = loader.get_pixbuf()
+    del loader
+
+    pixbuf = unscaled_pixbuf.scale_simple(maxw, maxh, gtk.gdk.INTERP_BILINEAR)
+    del unscaled_pixbuf
+
+    data = [""]
     quality = 90
     img_size = maxsize + 1
     while img_size > maxsize:
-        del obj['data']
-        obj['data'] = ""
-        pixbuf.save_to_callback(_buddy_icon_save_cb, "jpeg", {"quality":"%d" % quality}, obj)
+        del data
+        data = [""]
+        pixbuf.save_to_callback(_buddy_icon_save_cb, "jpeg", {"quality":"%d" % quality}, data)
         quality -= 10
-        img_size = len(obj['data'])
+        img_size = len(data[0])
     del pixbuf
 
     if img_size > maxsize:
-        del obj['data']
+        del data
         raise RuntimeError("could not size image less than %d bytes" % maxsize)
 
-    return obj['data']
-        
-def _buddy_icon_save_cb(buf, obj):
-    obj['data'] += buf
-    return True
+    return str(data[0])
         
 
 class ServerPlugin(gobject.GObject):
@@ -90,7 +95,7 @@ class ServerPlugin(gobject.GObject):
                              ([gobject.TYPE_PYOBJECT]))
     }
     
-    def __init__(self, registry):
+    def __init__(self, registry, owner):
         gobject.GObject.__init__(self)
 
         self._icon_cache = BuddyIconCache()
@@ -100,16 +105,29 @@ class ServerPlugin(gobject.GObject):
 
         self._activities = {} # activity id -> handle
         self._joined_activities = [] # (activity_id, handle of the activity channel)
+
+        self._owner = owner
+        self._owner.connect("property-changed", self._owner_property_changed_cb)
+        self._owner.connect("icon-changed", self._owner_icon_changed_cb)
+
         self._account = self._get_account_info()
 
         self._conn = self._init_connection()
 
         self._reconnect_id = 0
 
+    def _owner_property_changed_cb(self, owner, properties):
+        print "Owner properties changed: %s" % properties
+        self._set_self_buddy_info()
+
+    def _owner_icon_changed_cb(self, owner, icon):
+        print "Owner icon changed to size %d" % len(str(icon))
+        self._upload_avatar()
+
     def _get_account_info(self):
         account_info = {}
                         
-        pubkey = profile.get_pubkey()
+        pubkey = self._owner.props.key
 
         server = profile.get_server()
         if not server:
@@ -231,12 +249,10 @@ class ServerPlugin(gobject.GObject):
         self._conn[CONN_INTERFACE_PRESENCE].GetPresence(subscribe_handles)
 
     def _upload_avatar(self):
-        icon = os.path.join(env.get_profile_path(), "buddy-icon.jpg")
-        if not os.path.exists(icon):
-            return
+        icon_data = self._owner.props.icon
 
         md5 = hashlib.md5()
-        md5.update(open(icon).read())
+        md5.update(icon_data)
         hash = md5.hexdigest()
 
         self_handle = self._conn[CONN_INTERFACE].GetSelfHandle()
@@ -251,12 +267,9 @@ class ServerPlugin(gobject.GObject):
             print "server does not accept JPEG format avatars."
             return
 
-        try:
-            img_data = _get_buddy_icon_at_size(min(maxw, 96), min(maxh, 96), maxsize)
+        img_data = _get_buddy_icon_at_size(icon_data, min(maxw, 96), min(maxh, 96), maxsize)
         token = self._conn[CONN_INTERFACE_AVATARS].SetAvatar(img_data, "image/jpeg")
         self._icon_cache.set_avatar(hash, token)
-        except RuntimeError, e:
-            pass
 
     def join_activity(self, act):
         handle = self._activities.get(act)
@@ -282,15 +295,15 @@ class ServerPlugin(gobject.GObject):
     def _set_self_buddy_info(self):
         # Set our OLPC buddy properties
         props = {}
-        props['color'] = profile.get_color().to_string()
-        props['key'] = profile.get_pubkey()
+        props['color'] = self._owner.props.color
+        props['key'] = self._owner.props.key
         try:
             self._conn[CONN_INTERFACE_BUDDY_INFO].SetProperties(props)
         except dbus.DBusException, e:
             if str(e).find("Server does not support PEP") >= 0:
                 raise RuntimeError("Server does not support PEP")
 
-        name = profile.get_nick_name()
+        name = self._owner.props.nick
         self_handle = self._conn[CONN_INTERFACE].GetSelfHandle()
         self._conn[CONN_INTERFACE_ALIASING].SetAliases( {self_handle : name} )