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[jamaendo] / jamaui / postoffice.py

diff --git a/jamaui/postoffice.py b/jamaui/postoffice.py
index 88143fe..675f9bf 100644 (file)
--- a/jamaui/postoffice.py
+++ b/jamaui/postoffice.py
@@ -1,34 +1,60 @@
+#!/usr/bin/env python
+#
+# This file is part of Jamaendo.
+# Copyright (c) 2010 Kristoffer Gronlund
+#
+# Jamaendo is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Jamaendo 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Jamaendo.  If not, see <http://www.gnu.org/licenses/>.
+#
+# Player code heavily based on http://thpinfo.com/2008/panucci/:
+#  A resuming media player for Podcasts and Audiobooks
+#  Copyright (c) 2008-05-26 Thomas Perl <thpinfo.com>
+#  (based on http://pygstdocs.berlios.de/pygst-tutorial/seeking.html)
+#
 # message central
 
+import logging
+
+log = logging.getLogger(__name__)
+
 class PostOffice(object):
-    class Client(object):
-        def __init__(self):
-            self.tags = {}
-        def has_tag(self, tag):
-            return tag in self.tags
-        def notify(self, tags, data):
-            for tag in tags:
-                cb = self.tags.get(tag)
-                if cb:
-                    cb(data)
-        def register(self, tag, callback):
-            self.tags[tag] = callback
 
     def __init__(self):
-        self.clients = {}
-
-    def notify(self, tags, data):
-        if not isinstance(tags, list):
-            tags = [tags]
-        for client in clients:
-            client.notify(tags, data)
-
-    def register(self, client_id, tag, callback):
-        client = self.clients.get(client_id)
-        if not client:
-            client = Client()
-            self.clients[client_id] = client
-        client.register(tag, callback)
+        self.tags = {} # tag -> [callback]
+
+    def notify(self, tag, *data):
+        clients = self.tags.get(tag)
+        if clients:
+            log.debug("(%s %s) -> [%s]",
+                      tag,
+                      " ".join(str(x) for x in data),
+                      " ".join(str(x) for x in clients))
+            for client in clients:
+                client(*data)
+
+    def connect(self, tag, callback):
+        if tag not in self.tags:
+            self.tags[tag] = []
+        clients = self.tags[tag]
+        if callback not in clients:
+            clients.append(callback)
+
+    def disconnect(self, tag, callback):
+        if tag not in self.tags:
+            self.tags[tag] = []
+        clients = self.tags[tag]
+        if callback in clients:
+            clients.remove(callback)
 
 postoffice = PostOffice()