michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:  * http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: 
michael@0: /* Tests:
michael@0:  *   verify that the visibleLabel attribute works
michael@0:  *   verify the TabLabelModified event works for both existing and new tabs
michael@0:  */
michael@0: 
michael@0: function test() {
michael@0:   waitForExplicitFinish();
michael@0:   registerCleanupFunction(function() {
michael@0:     gBrowser.removeCurrentTab({animate: false});
michael@0:   });
michael@0:   let tab = gBrowser.selectedTab = gBrowser.addTab("about:blank",
michael@0:                                                    {skipAnimation: true});
michael@0:   tab.linkedBrowser.addEventListener("load", function onLoad(event) {
michael@0:     event.currentTarget.removeEventListener("load", onLoad, true);
michael@0:     executeSoon(afterLoad);
michael@0:   }, true);
michael@0: }
michael@0: 
michael@0: function afterLoad() {
michael@0:   let tab = gBrowser.selectedTab;
michael@0:   let xulLabel = document.getAnonymousElementByAttribute(tab, "anonid",
michael@0:                                                          "tab-label");
michael@0:   // Verify we're starting out on the right foot
michael@0:   is(tab.label, "New Tab", "Initial tab label is default");
michael@0:   is(xulLabel.value, "New Tab", "Label element is default");
michael@0:   is(tab.visibleLabel, "New Tab", "visibleLabel is default");
michael@0: 
michael@0:   // Check that a normal label setting works correctly
michael@0:   tab.label = "Hello, world!";
michael@0:   is(tab.label, "Hello, world!", "tab label attribute set via tab.label");
michael@0:   is(xulLabel.value, "Hello, world!", "xul:label set via tab.label");
michael@0:   is(tab.visibleLabel, "Hello, world!", "visibleLabel set via tab.label");
michael@0: 
michael@0:   // Check that setting visibleLabel only affects the label element
michael@0:   tab.visibleLabel = "Goodnight, Irene";
michael@0:   is(tab.label, "Hello, world!", "Tab.label unaffected by visibleLabel setter");
michael@0:   is(xulLabel.value, "Goodnight, Irene",
michael@0:      "xul:label set by visibleLabel setter");
michael@0:   is(tab.visibleLabel, "Goodnight, Irene",
michael@0:      "visibleLabel attribute set by visibleLabel setter");
michael@0: 
michael@0:   // Check that setting the label property hits everything
michael@0:   tab.label = "One more label";
michael@0:   is(tab.label, "One more label",
michael@0:      "Tab label set via label property after diverging from visibleLabel");
michael@0:   is(xulLabel.value, "One more label",
michael@0:      "xul:label set via label property after diverging from visibleLabel");
michael@0:   is(tab.visibleLabel, "One more label",
michael@0:      "visibleLabel set from label property after diverging from visibleLabel");
michael@0: 
michael@0:   tab.addEventListener("TabLabelModified", overrideTabLabel, true);
michael@0:   tab.label = "This won't be the visibleLabel";
michael@0: }
michael@0: 
michael@0: function overrideTabLabel(aEvent) {
michael@0:   aEvent.target.removeEventListener("TabLabelModified", overrideTabLabel, true);
michael@0:   aEvent.preventDefault();
michael@0:   aEvent.stopPropagation();
michael@0:   aEvent.target.visibleLabel = "Handler set this as the visible label";
michael@0:   executeSoon(checkTabLabelModified);
michael@0: }
michael@0: 
michael@0: function checkTabLabelModified() {
michael@0:   let tab = gBrowser.selectedTab;
michael@0:   let xulLabel = document.getAnonymousElementByAttribute(tab, "anonid",
michael@0:                                                          "tab-label");
michael@0: 
michael@0:   is(tab.label, "This won't be the visibleLabel",
michael@0:      "Tab label set via label property that triggered event");
michael@0:   is(xulLabel.value, "Handler set this as the visible label",
michael@0:      "xul:label set by TabLabelModified handler");
michael@0:   is(tab.visibleLabel, "Handler set this as the visible label",
michael@0:      "visibleLabel set by TabLabelModified handler");
michael@0: 
michael@0:   gBrowser.removeCurrentTab({animate: false});
michael@0:   executeSoon(checkTabLabelModifiedOnNewTab);
michael@0: }
michael@0: 
michael@0: function checkTabLabelModifiedOnNewTab() {
michael@0:   gBrowser.tabContainer.addEventListener("TabLabelModified",
michael@0:     handleTabLabelModifiedOnNewTab, true);
michael@0:   let tab = gBrowser.selectedTab = gBrowser.addTab("about:blank",
michael@0:                                                    {skipAnimation: true});
michael@0: }
michael@0: 
michael@0: function handleTabLabelModifiedOnNewTab(aEvent) {
michael@0:   gBrowser.tabContainer.removeEventListener("TabLabelModified",
michael@0:     handleTabLabelModifiedOnNewTab, true);
michael@0:   ok(true, "Event received from new tab default being set");
michael@0:   executeSoon(finish);
michael@0: }