From 421433db5a24b5ff25a51f38e7c2299370c61854 Mon Sep 17 00:00:00 2001
From: Simon McVittie <simon.mcvittie@collabora.co.uk>
Date: Thu, 20 Sep 2007 12:54:23 +0000
Subject: Don't keep invite-only activities in the mesh view after we leave them (#3465)

---
diff --git a/NEWS b/NEWS
index 16f1c57..1e71da1 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,6 @@
+* #3465: don't keep invite-only activities in the mesh view after we leave
+  them (smcv)
+
 Snapshot 6df1f3eca5
 
 * #3506: LL and server plugins are mutually exclusive for trial-3 (dcbw)
diff --git a/src/activity.py b/src/activity.py
index 23c4356..d841552 100644
--- a/src/activity.py
+++ b/src/activity.py
@@ -149,6 +149,9 @@ class Activity(ExportedGObject):
         # this is kept in sync with reality. If _joined is False this is
         # based on buddies' claimed activities.
         self._buddies = set()
+        # The buddies claiming to be in the channel. If _joined is False
+        # this is the same as _buddies.
+        self._claimed_buddies = set()
         # Equal to (self._self_handle in self._handle_to_buddy.keys())
         self._joined = False
 
@@ -653,6 +656,7 @@ class Activity(ExportedGObject):
         This method is called by the PresenceService on the local machine.
 
         """
+        self._claimed_buddies.add(buddy)
         if self._joined:
             _logger.debug("Ignoring alleged join to activity %s that I'm in: "
                           "I can already see who's there", self._id)
@@ -707,6 +711,7 @@ class Activity(ExportedGObject):
         If this activity is "valid", a BuddyLeft signal is also sent.
         This method is called by the PresenceService on the local machine.
         """
+        self._claimed_buddies.discard(buddy)
         if not self._joined:
             self._remove_buddies((buddy,))
 
@@ -1039,6 +1044,16 @@ class Activity(ExportedGObject):
         This callback is set up in the _handle_share_join method.
         """
         self._joined = False
+
+        # Remove people who claim not to be in the activity, and add people
+        # who were not in the activity but claimed to be. The first part
+        # fixes a bug where invite-only activities would still appear after
+        # we joined and left them, even if everyone else subsequently left too.
+        old_buddies = self._buddies - self._claimed_buddies
+        new_buddies = self._claimed_buddies - self._buddies
+        self._remove_buddies(old_buddies)
+        self._add_buddies(new_buddies)
+
         self._handle_to_buddy = {}
         self._self_handle = None
         self._text_channel = None
--
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