From 22868c3924529701dd8d86ba32a7c1752a3f6cb5 Mon Sep 17 00:00:00 2001
From: Lance Stout <lancestout@gmail.com>
Date: Fri, 18 Nov 2011 13:37:57 -0800
Subject: Fix changed_status event

Once again only fires when a resource's presence show value changes.
---
 sleekxmpp/basexmpp.py         |  2 -
 sleekxmpp/roster/item.py      |  4 ++
 tests/test_stream_presence.py | 94 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 98 insertions(+), 2 deletions(-)

diff --git a/sleekxmpp/basexmpp.py b/sleekxmpp/basexmpp.py
index 59a79b78..8f11eefa 100644
--- a/sleekxmpp/basexmpp.py
+++ b/sleekxmpp/basexmpp.py
@@ -778,8 +778,6 @@ class BaseXMPP(XMLStream):
              not presence['type'] in presence.showtypes:
             return
 
-        self.event("changed_status", presence)
-
     def exception(self, exception):
         """
         Process any uncaught exceptions, notably IqError and
diff --git a/sleekxmpp/roster/item.py b/sleekxmpp/roster/item.py
index 1520f770..c27f7a78 100644
--- a/sleekxmpp/roster/item.py
+++ b/sleekxmpp/roster/item.py
@@ -345,7 +345,10 @@ class RosterItem(object):
             self.xmpp.event('got_online', presence)
         if resource not in self.resources:
             self.resources[resource] = {}
+        old_show = self.resources[resource].get('show', None)
         self.resources[resource].update(data)
+        if old_show != presence['show']:
+            self.xmpp.event('changed_status', presence)
 
     def handle_unavailable(self, presence):
         resource = presence['from'].resource
@@ -353,6 +356,7 @@ class RosterItem(object):
             return
         if resource in self.resources:
             del self.resources[resource]
+        self.xmpp.event('changed_status', presence)
         if not self.resources:
             self.xmpp.event('got_offline', presence)
 
diff --git a/tests/test_stream_presence.py b/tests/test_stream_presence.py
index 21535dce..b7e6229c 100644
--- a/tests/test_stream_presence.py
+++ b/tests/test_stream_presence.py
@@ -251,5 +251,99 @@ class TestStreamPresence(SleekTest):
         self.assertEqual(events, ptypes,
             "Not all events raised: %s" % events)
 
+    def test_changed_status(self):
+        """Test that the changed_status event is handled properly."""
+        events = []
+        self.stream_start()
+
+        def changed_status(presence):
+            events.append(presence['type'])
+
+        self.xmpp.add_event_handler('changed_status', changed_status)
+
+        self.recv("""
+          <presence from="user@example.com" to="tester@localhost" />
+        """)
+
+        self.recv("""
+          <presence from="user@example.com" to="tester@localhost" />
+        """)
+
+        self.recv("""
+          <presence from="user@example.com" to="tester@localhost">
+            <show>away</show>
+          </presence>
+        """)
+
+        self.recv("""
+          <presence from="user@example.com" to="tester@localhost">
+            <show>away</show>
+          </presence>
+        """)
+
+        self.recv("""
+          <presence from="user@example.com" to="tester@localhost">
+            <show>dnd</show>
+          </presence>
+        """)
+
+        self.recv("""
+          <presence from="user@example.com" to="tester@localhost">
+            <show>dnd</show>
+          </presence>
+        """)
+
+        self.recv("""
+          <presence from="user@example.com" to="tester@localhost">
+            <show>chat</show>
+          </presence>
+        """)
+
+        self.recv("""
+          <presence from="user@example.com" to="tester@localhost">
+            <show>chat</show>
+          </presence>
+        """)
+
+        self.recv("""
+          <presence from="user@example.com" to="tester@localhost">
+            <show>xa</show>
+          </presence>
+        """)
+
+        self.recv("""
+          <presence from="user@example.com" to="tester@localhost">
+            <show>xa</show>
+          </presence>
+        """)
+
+        self.recv("""
+          <presence from="user@example.com"
+                    to="tester@localhost"
+                    type="unavailable" />
+        """)
+
+        self.recv("""
+          <presence from="user@example.com"
+                    to="tester@localhost"
+                    type="unavailable" />
+        """)
+
+        self.recv("""
+          <presence from="user@example.com" to="tester@localhost" />
+        """)
+
+        self.recv("""
+          <presence from="user@example.com" to="tester@localhost" />
+        """)
+
+
+        time.sleep(0.3)
+
+        self.assertEqual(events, ['available', 'away', 'dnd', 'chat',
+                                  'xa', 'unavailable', 'available'],
+            "Changed status events incorrect: %s" % events)
+
+
 
 suite = unittest.TestLoader().loadTestsFromTestCase(TestStreamPresence)
-- 
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