From ae1c9117daa6b86ffd106d2bd392c0e221d25048 Mon Sep 17 00:00:00 2001
From: "sspitzer%netscape.com" <sspitzer%netscape.com>
Date: Fri, 11 May 2001 03:41:04 +0000
Subject: [PATCH] fix for #63411.  add twisties to the tree in the account
 manager dialog. this should open the door for some UI improvements. 
 sr=bienvenu

---
 mailnews/base/src/nsMsgAccountManagerDS.cpp | 18 ++++++++++++++++++
 mailnews/base/src/nsMsgAccountManagerDS.h   |  1 +
 2 files changed, 19 insertions(+)

diff --git a/mailnews/base/src/nsMsgAccountManagerDS.cpp b/mailnews/base/src/nsMsgAccountManagerDS.cpp
index 89ecece10de..89ff3017ca2 100644
--- a/mailnews/base/src/nsMsgAccountManagerDS.cpp
+++ b/mailnews/base/src/nsMsgAccountManagerDS.cpp
@@ -640,6 +640,24 @@ nsMsgAccountManagerDataSource::getAccountRootArcs(nsISupportsArray **aResult)
     return NS_OK;
 }
 
+NS_IMETHODIMP
+nsMsgAccountManagerDataSource::HasArcOut(nsIRDFResource *source, nsIRDFResource *aArc, PRBool *result)
+{
+    nsresult rv = NS_OK;
+    if (aArc == kNC_Settings) {
+      // based on createSettingsResources()
+      // we only have settings for servers with identities
+      nsCOMPtr<nsIMsgIncomingServer> server;
+      rv = getServerForFolderNode(source, getter_AddRefs(server));
+      if (server) {
+          return serverHasIdentities(server, result);
+      }
+	}
+	
+	*result = PR_FALSE;
+	return NS_OK;
+}
+
 /* nsISimpleEnumerator ArcLabelsOut (in nsIRDFResource aSource); */
 NS_IMETHODIMP
 nsMsgAccountManagerDataSource::ArcLabelsOut(nsIRDFResource *source,
diff --git a/mailnews/base/src/nsMsgAccountManagerDS.h b/mailnews/base/src/nsMsgAccountManagerDS.h
index 237203b8ffb..d7863fa1269 100644
--- a/mailnews/base/src/nsMsgAccountManagerDS.h
+++ b/mailnews/base/src/nsMsgAccountManagerDS.h
@@ -76,6 +76,7 @@ public:
   NS_IMETHOD HasAssertion(nsIRDFResource *aSource, nsIRDFResource *aProperty,
                           nsIRDFNode *aTarget, PRBool aTruthValue,
                           PRBool *_retval);
+  NS_IMETHOD HasArcOut(nsIRDFResource *source, nsIRDFResource *aArc, PRBool *result);
     
 protected: