michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:    http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: 
michael@0: // ----------
michael@0: function test() {
michael@0:   waitForExplicitFinish();
michael@0: 
michael@0:   // verify initial state
michael@0:   ok(!TabView.isVisible(), "Tab View starts hidden");
michael@0: 
michael@0:   showTabView(onTabViewLoadedAndShown("ltr"));
michael@0: }
michael@0: 
michael@0: // ----------
michael@0: function onTabViewLoadedAndShown(dir) {
michael@0:   return function() {
michael@0:     ok(TabView.isVisible(), "Tab View is visible.");
michael@0: 
michael@0:     let contentWindow = document.getElementById("tab-view").contentWindow;
michael@0:     let contentDocument = contentWindow.document;
michael@0:     is(contentDocument.documentElement.getAttribute("dir"), dir,
michael@0:        "The direction should be set to " + dir.toUpperCase());
michael@0: 
michael@0:     // kick off the series
michael@0:     hideTabView(onTabViewHidden(dir));
michael@0:   };
michael@0: }
michael@0: 
michael@0: // ---------- 
michael@0: function onTabViewHidden(dir) {
michael@0:   return function() {
michael@0:     ok(!TabView.isVisible(), "Tab View is hidden.");
michael@0: 
michael@0:     if (dir == "ltr") {
michael@0:       // Switch to RTL mode
michael@0:       Services.prefs.setCharPref("intl.uidirection.en-US", "rtl");
michael@0: 
michael@0:       showTabView(onTabViewLoadedAndShown("rtl"));
michael@0:     } else {
michael@0:       // Switch to LTR mode
michael@0:       Services.prefs.clearUserPref("intl.uidirection.en-US");
michael@0: 
michael@0:       finish();
michael@0:     }
michael@0:   };
michael@0: }