3 # This file is part of Jamaendo.
4 # Copyright (c) 2010 Kristoffer Gronlund
6 # Jamaendo is free software: you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation, either version 3 of the License, or
9 # (at your option) any later version.
11 # Jamaendo is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with Jamaendo. If not, see <http://www.gnu.org/licenses/>.
19 # Player code heavily based on http://thpinfo.com/2008/panucci/:
20 # A resuming media player for Podcasts and Audiobooks
21 # Copyright (c) 2008-05-26 Thomas Perl <thpinfo.com>
22 # (based on http://pygstdocs.berlios.de/pygst-tutorial/seeking.html)
26 from __future__ import with_statement
30 log = logging.getLogger(__name__)
32 class PostOffice(object):
35 self.lock = threading.RLock()
36 self.tags = {} # tag -> [callback]
38 def notify(self, tag, *data):
40 log.info("(%s %s)", tag, " ".join(str(x) for x in data))
41 clients = self.tags.get(tag)
43 for ref, client in clients:
46 def connect(self, tag, ref, callback):
48 if not isinstance(tag, list):
51 if t not in self.tags:
53 clients = self.tags[t]
54 if callback not in clients:
55 clients.append((ref, callback))
57 def disconnect(self, tag, ref):
59 if not isinstance(tag, list):
62 if t not in self.tags:
64 self.tags[t] = [(_ref, cb) for _ref, cb in self.tags[t] if _ref != ref]
66 postoffice = PostOffice()