From 6250ba345e8077ee913bd1fa2a3d5e2c5ae0c416 Mon Sep 17 00:00:00 2001
From: Florent Le Coz <louiz@louiz.org>
Date: Fri, 1 Aug 2014 13:03:18 +0200
Subject: Fix the data form retrieval, by making it non-blocking

---
 src/fixes.py       | 22 +++++++++++-----------
 src/tabs/muctab.py | 12 +++++++-----
 2 files changed, 18 insertions(+), 16 deletions(-)

(limited to 'src')

diff --git a/src/fixes.py b/src/fixes.py
index 39610aa7..da00c48e 100644
--- a/src/fixes.py
+++ b/src/fixes.py
@@ -37,20 +37,20 @@ def get_version(xmpp, jid, callback=None, **kwargs):
         return handle_result(result)
 
 
-def get_room_form(xmpp, room):
+def get_room_form(xmpp, room, callback):
+    def _cb(result):
+        if result["type"] == "error":
+            callback(None)
+        xform = result.xml.find('{http://jabber.org/protocol/muc#owner}query/{jabber:x:data}x')
+        if xform is None:
+            callback(None)
+        form = xmpp.plugin['xep_0004'].buildForm(xform)
+        callback(form)
+
     iq = xmpp.make_iq_get(ito=room)
     query = ET.Element('{http://jabber.org/protocol/muc#owner}query')
     iq.append(query)
-    try:
-        result = iq.send()
-    except:
-        return False
-    xform = result.xml.find('{http://jabber.org/protocol/muc#owner}query/{jabber:x:data}x')
-    if xform is None:
-        return False
-    form = xmpp.plugin['xep_0004'].buildForm(xform)
-    return form
-
+    iq.send(callback=_cb)
 
 def _filter_add_receipt_request(self, stanza):
     """
diff --git a/src/tabs/muctab.py b/src/tabs/muctab.py
index 4dc7a2cf..5ebaf522 100644
--- a/src/tabs/muctab.py
+++ b/src/tabs/muctab.py
@@ -361,13 +361,15 @@ class MucTab(ChatTab):
         """
         /configure
         """
-        form = fixes.get_room_form(self.core.xmpp, self.name)
-        if not form:
-            self.core.information(
+        def on_form_received(form):
+            if not form:
+                self.core.information(
                     _('Could not retrieve the configuration form'),
                     _('Error'))
-            return
-        self.core.open_new_form(form, self.cancel_config, self.send_config)
+                return
+            self.core.open_new_form(form, self.cancel_config, self.send_config)
+
+        form = fixes.get_room_form(self.core.xmpp, self.name, on_form_received)
 
     def cancel_config(self, form):
         """
-- 
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