next part of fix for #40357 - make news and local mail not support mail filters

r=putterman

mailnews/local/src/nsNoIncomingServer.cpp

@@ -255,3 +255,12 @@ NS_IMETHODIMP nsNoIncomingServer::GetNewMail(nsIMsgWindow *aMsgWindow, nsIUrlLis
 	// do nothing, there is no new mail for this incoming server, ever.
 	return NS_OK;
 }
+
+// the "none" server does not support filters, because
+// it doesn't support incoming messages!
+NS_IMETHODIMP
+nsNoIncomingServer::GetFilterList(nsIMsgFilterList **aResult)
+{
+    *aResult = nsnull;
+    return NS_ERROR_NOT_IMPLEMENTED;
+}

mailnews/local/src/nsNoIncomingServer.h

@@ -44,6 +44,7 @@ public:
     virtual ~nsNoIncomingServer();
     
     NS_IMETHOD GetLocalStoreType(char * *type);
+    NS_IMETHOD GetFilterList(nsIMsgFilterList **aResult);
 };
 
 

mailnews/news/src/nsNntpIncomingServer.cpp

@@ -574,6 +574,13 @@ nsNntpIncomingServer::PerformExpand(nsIMsgWindow *aMsgWindow)
 	return NS_OK;
 }
 
+// remove this when news supports filters
+NS_IMETHODIMP
+nsNntpIncomingServer::GetFilterList(nsIMsgFilterList **aResult)
+{
+    return NS_ERROR_NOT_IMPLEMENTED;
+}
+
 NS_IMETHODIMP 
 nsNntpIncomingServer::GetNumGroupsNeedingCounts(PRInt32 *aNumGroupsNeedingCounts)
 {

mailnews/news/src/nsNntpIncomingServer.h

@@ -69,6 +69,7 @@ public:
     NS_IMETHOD CloseCachedConnections();
 	NS_IMETHOD PerformBiff();
     NS_IMETHOD PerformExpand(nsIMsgWindow *aMsgWindow);
+    NS_IMETHOD GetFilterList(nsIMsgFilterList **aResult);
 
 	// for nsMsgLineBuffer
 	virtual PRInt32 HandleLine(char *line, PRUint32 line_size);