1 files changed, 90 insertions, 0 deletions
diff --git a/plugins/snippets/snippets/signals.py b/plugins/snippets/snippets/signals.py
new file mode 100644
index 0000000..647b616
--- /dev/null
+++ b/plugins/snippets/snippets/signals.py
@@ -0,0 +1,90 @@
+# -*- coding: utf-8 -*-
+#
+#  signals.py
+#
+#  Copyright (C) 2009 - Jesse van den Kieboom
+#
+#  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, see <http://www.gnu.org/licenses/>.
+
+class Signals:
+    def __init__(self):
+        self._signals = {}
+
+    def _connect(self, obj, name, handler, connector):
+        ret = self._signals.setdefault(obj, {})
+
+        hid = connector(name, handler)
+        ret.setdefault(name, []).append(hid)
+
+        return hid
+
+    def connect_signal(self, obj, name, handler):
+        return self._connect(obj, name, handler, obj.connect)
+
+    def connect_signal_after(self, obj, name, handler):
+        return self._connect(obj, name, handler, obj.connect_after)
+
+    def disconnect_signals(self, obj):
+        if obj not in self._signals:
+            return False
+
+        for name in self._signals[obj]:
+            for hid in self._signals[obj][name]:
+                obj.disconnect(hid)
+
+        del self._signals[obj]
+        return True
+
+    def block_signal(self, obj, name):
+        if obj not in self._signals:
+            return False
+
+        if name not in self._signals[obj]:
+            return False
+
+        for hid in self._signals[obj][name]:
+            obj.handler_block(hid)
+
+        return True
+
+    def unblock_signal(self, obj, name):
+        if obj not in self._signals:
+            return False
+
+        if name not in self._signals[obj]:
+            return False
+
+        for hid in self._signals[obj][name]:
+            obj.handler_unblock(hid)
+
+        return True
+
+    def disconnect_signal(self, obj, name):
+        if obj not in self._signals:
+            return False
+
+        if name not in self._signals[obj]:
+            return False
+
+        for hid in self._signals[obj][name]:
+            obj.disconnect(hid)
+
+        del self._signals[obj][name]
+
+        if len(self._signals[obj]) == 0:
+            del self._signals[obj]
+
+        return True
+
+# ex:ts=4:et: