[kupfer] Define Source.provides for Triggers and Running Applications

[Ulrik Sverdrup <usverdrup src gnome org>]

commit 85468af5ff0caaf505923ccb4de039d7e7426c32
Author: Ulrik Sverdrup <ulrik sverdrup gmail com>
Date:   Mon Jan 18 15:38:39 2010 +0100

    Define Source.provides for Triggers and Running Applications

 contrib/runningapplications.py |    3 +++
 kupfer/plugin/triggers.py      |    3 +++
 2 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/contrib/runningapplications.py b/contrib/runningapplications.py
index a62c48a..419703c 100644
--- a/contrib/runningapplications.py
+++ b/contrib/runningapplications.py
@@ -30,6 +30,9 @@ class RunningApplicationsSource (Source):
 		is_running = launch.application_is_running
 		return (AppLeaf(ai) for ai in self.all_apps if is_running(ai))
 
+	def provides(self):
+		yield AppLeaf
+
 	def get_description(self):
 		return _("Running applications")
 
diff --git a/kupfer/plugin/triggers.py b/kupfer/plugin/triggers.py
index cac4a8e..61580e2 100644
--- a/kupfer/plugin/triggers.py
+++ b/kupfer/plugin/triggers.py
@@ -67,6 +67,9 @@ class Triggers (Source):
 	def should_sort_lexically(self):
 		return True
 
+	def provides(self):
+		yield Trigger
+
 	@classmethod
 	def perform_trigger(cls, target):
 		try: