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Diffstat (limited to 'mvc/widgets/gtk/weakconnect.py')
-rw-r--r-- | mvc/widgets/gtk/weakconnect.py | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/mvc/widgets/gtk/weakconnect.py b/mvc/widgets/gtk/weakconnect.py deleted file mode 100644 index b8b9526..0000000 --- a/mvc/widgets/gtk/weakconnect.py +++ /dev/null @@ -1,56 +0,0 @@ -# @Base: Miro - an RSS based video player application -# Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011 -# Participatory Culture Foundation -# -# This program 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 2 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 General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -# -# In addition, as a special exception, the copyright holders give -# permission to link the code of portions of this program with the OpenSSL -# library. -# -# You must obey the GNU General Public License in all respects for all of -# the code used other than OpenSSL. If you modify file(s) with this -# exception, you may extend this exception to your version of the file(s), -# but you are not obligated to do so. If you do not wish to do so, delete -# this exception statement from your version. If you delete this exception -# statement from all source files in the program, then also delete it here. - -"""weakconnect.py -- Connect to a signal of a GObject using a weak method -reference. This means that this connection will not keep the object alive. -This is a good thing because it prevents circular references between wrapper -widgets and the wrapped GTK widget. -""" - -from mvc import signals - -class WeakSignalHandler(object): - def __init__(self, method): - self.method = signals.WeakMethodReference(method) - - def connect(self, obj, signal, *user_args): - self.user_args = user_args - self.signal_handle = obj.connect(signal, self.handle_callback) - return self.signal_handle - - def handle_callback(self, obj, *args): - real_method = self.method() - if real_method is not None: - return real_method(obj, *(args + self.user_args)) - else: - obj.disconnect(self.signal_handle) - -def weak_connect(gobject, signal, method, *user_args): - handler = WeakSignalHandler(method) - return handler.connect(gobject, signal, *user_args) |