Auto-inititate OTR when contact comes online

Author: chrisballinger

ChatSecure/Classes/View Controllers/OTRMessagesViewController.m

@@ -312,7 +312,13 @@ - (void)updateViewWithKey:(NSString *)key colleciton:(NSString *)collection
         }
 
         // Update Buddy Status
+        BOOL previousState = self.state.isThreadOnline;
         self.state.isThreadOnline = buddy.status != OTRThreadStatusOffline;
+        
+        // Auto-inititate OTR when contact comes online
+        if (!previousState && self.state.isThreadOnline) {
+            [[OTRProtocolManager sharedInstance].encryptionManager maybeRefreshOTRSessionForBuddyKey:key collection:collection];
+        }
         [self didUpdateState];
 
         //Update Buddy knock status