From 46dc6eac887907109c97fc218498bcc894756659 Mon Sep 17 00:00:00 2001
From: Nathan Fritz <nathan@andyet.net>
Date: Thu, 14 Apr 2011 16:27:27 -0700
Subject: remove roster item state responsibility from clients

---
 sleekxmpp/basexmpp.py      |  7 ------
 sleekxmpp/componentxmpp.py |  7 ++++++
 sleekxmpp/roster.py        | 55 ++++++++++++++++++++++++++++------------------
 3 files changed, 41 insertions(+), 28 deletions(-)

diff --git a/sleekxmpp/basexmpp.py b/sleekxmpp/basexmpp.py
index 4391ff48..7330b9c2 100644
--- a/sleekxmpp/basexmpp.py
+++ b/sleekxmpp/basexmpp.py
@@ -146,8 +146,6 @@ class BaseXMPP(XMLStream):
                                self._handle_unsubscribe)
         self.add_event_handler('presence_unsubscribed',
                                self._handle_unsubscribed)
-        self.add_event_handler('presence_probe',
-                               self._handle_probe)
         self.add_event_handler('roster_subscription_request',
                                self._handle_new_subscription)
 
@@ -663,11 +661,6 @@ class BaseXMPP(XMLStream):
         pfrom = presence['from'].bare
         self.roster[pto][pfrom].handle_unsubscribed(presence)
 
-    def _handle_probe(self, presence):
-        pto = presence['to'].bare
-        pfrom = presence['from'].bare
-        self.roster[pto][pfrom].handle_probe(presence)
-
     def _handle_presence(self, presence):
         """
         Process incoming presence stanzas.
diff --git a/sleekxmpp/componentxmpp.py b/sleekxmpp/componentxmpp.py
index 0963c502..121e7c85 100644
--- a/sleekxmpp/componentxmpp.py
+++ b/sleekxmpp/componentxmpp.py
@@ -78,6 +78,8 @@ class ComponentXMPP(BaseXMPP):
                 Callback('Handshake',
                          MatchXPath('{jabber:component:accept}handshake'),
                          self._handle_handshake))
+        self.add_event_handler('presence_probe',
+                               self._handle_probe)
 
     def connect(self):
         """
@@ -139,3 +141,8 @@ class ComponentXMPP(BaseXMPP):
             xml -- The reply handshake stanza.
         """
         self.event("session_start")
+
+    def _handle_probe(self, presence):
+        pto = presence['to'].bare
+        pfrom = presence['from'].bare
+        self.roster[pto][pfrom].handle_probe(presence)
diff --git a/sleekxmpp/roster.py b/sleekxmpp/roster.py
index 043981e3..23764f88 100644
--- a/sleekxmpp/roster.py
+++ b/sleekxmpp/roster.py
@@ -658,12 +658,16 @@ class RosterItem(object):
         |  "Both"                  |  no *      |  no state change         |
         +------------------------------------------------------------------+
         """
-        if not self['from'] and not self['pending_in']:
-            self['pending_in'] = True
+        if self.xmpp.is_component:
+            if not self['from'] and not self['pending_in']:
+                self['pending_in'] = True
+                self.xmpp.event('roster_subscription_request', presence)
+            elif self['from']:
+                self._subscribed()
+            self.save()
+        else:
+            #server shouldn't send an invalid subscription request
             self.xmpp.event('roster_subscription_request', presence)
-        elif self['from']:
-            self._subscribed()
-        self.save()
 
     def handle_subscribed(self, presence):
         """
@@ -681,11 +685,14 @@ class RosterItem(object):
         |  "Both"                  |  no        |  no state change         |
         +------------------------------------------------------------------+
         """
-        if not self['to'] and self['pending_out']:
-            self['pending_out'] = False
-            self['to'] = True
+        if self.xmpp.is_component:
+            if not self['to'] and self['pending_out']:
+                self['pending_out'] = False
+                self['to'] = True
+                self.xmpp.event('roster_subscription_authorized', presence)
+            self.save()
+        else:
             self.xmpp.event('roster_subscription_authorized', presence)
-        self.save()
 
     def handle_unsubscribe(self, presence):
         """
@@ -703,14 +710,17 @@ class RosterItem(object):
         |  "Both"                  |  yes *     |  "To"                    |
         +------------------------------------------------------------------+
         """
-        if not self['from']  and self['pending_in']:
-            self['pending_in'] = False
-            self._unsubscribed()
-        elif self['from']:
-            self['from'] = False
-            self._unsubscribed()
+        if self.xmpp.is_component:
+            if not self['from']  and self['pending_in']:
+                self['pending_in'] = False
+                self._unsubscribed()
+            elif self['from']:
+                self['from'] = False
+                self._unsubscribed()
+                self.xmpp.event('roster_subscription_remove', presence)
+            self.save()
+        else:
             self.xmpp.event('roster_subscription_remove', presence)
-        self.save()
 
     def handle_unsubscribed(self, presence):
         """
@@ -728,12 +738,15 @@ class RosterItem(object):
         |  "Both"                  |  yes       |  "From"                  |
         +------------------------------------------------------------------
         """
-        if not self['to'] and self['pending_out']:
-            self['pending_out'] = False
-        elif self['to'] and not self['pending_out']:
-            self['to'] = False
+        if self.xmpp.is_component:
+            if not self['to'] and self['pending_out']:
+                self['pending_out'] = False
+            elif self['to'] and not self['pending_out']:
+                self['to'] = False
+                self.xmpp.event('roster_subscription_removed', presence)
+            self.save()
+        else:
             self.xmpp.event('roster_subscription_removed', presence)
-        self.save()
 
     def handle_probe(self, presence):
         if self['to']:
-- 
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