Bug 506510 - Disable filters menu item when no accounts are set up; r=mnyromyr sr=neil

suite/mailnews/mail3PaneWindowCommands.js

@@ -228,6 +228,7 @@ var DefaultController =
       case "cmd_recalculateJunkScore":
       case "cmd_markAsShowRemote":
       case "cmd_markAsNotPhish":
+      case "cmd_displayMsgFilters":
       case "cmd_applyFiltersToSelection":
       case "cmd_applyFilters":
       case "cmd_runJunkControls":
@@ -365,6 +366,10 @@ var DefaultController =
         return (GetNumSelectedMessages() > 0 && checkMsgHdrPropertyIsNot("remoteContentPolicy", kAllowRemoteContent));
       case "cmd_markAsNotPhish":
         return (GetNumSelectedMessages() > 0 && checkMsgHdrPropertyIsNot("notAPhishMessage", kNotAPhishMessage));
+      case "cmd_displayMsgFilters":
+        let mgr = Components.classes["@mozilla.org/messenger/account-manager;1"]
+                            .getService(Components.interfaces.nsIMsgAccountManager);
+        return mgr.accounts.Count() > 0;
       case "cmd_applyFilters":
         if (gDBView)
           gDBView.getCommandStatus(nsMsgViewCommandType.applyFilters, enabled, checkStatus);
@@ -685,6 +690,9 @@ var DefaultController =
       case "cmd_markAsNotPhish":
         MsgIsNotAScam();
         return;
+      case "cmd_displayMsgFilters":
+        MsgFilters(null, null);
+        return;
       case "cmd_applyFiltersToSelection":
         MsgApplyFiltersToSelection();
         return;

suite/mailnews/mailWindowOverlay.xul

@@ -309,6 +309,9 @@
               commandupdater="true"
               events="create-menu-tasks"
               oncommandupdate="goUpdateMailMenuItems(this)">
+  <command id="cmd_displayMsgFilters"
+           disabled="true"
+           oncommand="goDoCommand('cmd_displayMsgFilters');"/>
   <command id="cmd_applyFilters" oncommand="goDoCommand('cmd_applyFilters');" disabled="true"/>
   <command id="cmd_applyFiltersToSelection"
            oncommand="goDoCommand('cmd_applyFiltersToSelection');"
@@ -1825,7 +1828,7 @@
     <menuitem id="menu_Filters"
               label="&filtersCmd.label;"
               accesskey="&filtersCmd.accesskey;"
-              oncommand="MsgFilters(null, null);"/>
+              command="cmd_displayMsgFilters"/>
     <menuitem id="applyFilters"
               label="&filtersApply.label;"
               accesskey="&filtersApply.accesskey;"