From d7e434eb03cc119f3a8592f1f3cc75f08cc05167 Mon Sep 17 00:00:00 2001
From: Matthew Chen <charlesmchen@gmail.com>
Date: Fri, 3 Feb 2017 11:37:57 -0500
Subject: [PATCH] Modify OutboundCallInitiator to abort if there is an ongoing
 RedPhone or WebRTC call.

// FREEBIE
---
 Signal/src/call/OutboundCallInitiator.swift | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Signal/src/call/OutboundCallInitiator.swift b/Signal/src/call/OutboundCallInitiator.swift
index 547357ab5..f62854bb0 100644
--- a/Signal/src/call/OutboundCallInitiator.swift
+++ b/Signal/src/call/OutboundCallInitiator.swift
@@ -52,6 +52,16 @@ import Foundation
         // SignalRecipient *recipient = [SignalRecipient recipientWithTextSecureIdentifier:self.thread.contactIdentifier];
         self.contactsUpdater.lookupIdentifier(recipientId,
                                               success: { recipient in
+
+                                                guard !Environment.getCurrent().phoneManager.hasOngoingCall() else {
+                                                    Logger.error("\(self.TAG) OutboundCallInitiator aborting due to ongoing RedPhone call.")
+                                                    return
+                                                }
+                                                guard Environment.getCurrent().callService.call != nil else {
+                                                    Logger.error("\(self.TAG) OutboundCallInitiator aborting due to ongoing WebRTC call.")
+                                                    return
+                                                }
+
                                                 let remoteWantsWebRTC = recipient.supportsWebRTC
                                                 Logger.debug("\(self.TAG) localWantsWebRTC: \(localWantsWebRTC), remoteWantsWebRTC: \(remoteWantsWebRTC)")