gecko/browser/base/content/test/browser_tabfocus.js

244 lines
10 KiB
JavaScript

/*
* This test checks that focus is adjusted properly when switching tabs.
*/
let testPage1 = "data:text/html,<html id='tab1'><body><button id='button1'>Tab 1</button></body></html>";
let testPage2 = "data:text/html,<html id='tab2'><body><button id='button2'>Tab 2</button></body></html>";
let testPage3 = "data:text/html,<html id='tab3'><body><button id='button3'>Tab 3</button></body></html>";
var browser1;
function test() {
waitForExplicitFinish();
var tab1 = gBrowser.addTab();
browser1 = gBrowser.getBrowserForTab(tab1);
var tab2 = gBrowser.addTab();
var browser2 = gBrowser.getBrowserForTab(tab2);
gURLBar.focus();
var loadCount = 0;
function check()
{
// wait for both tabs to load
if (++loadCount != 2)
return;
window.focus();
_browser_tabfocus_test_lastfocus = gURLBar;
_browser_tabfocus_test_lastfocuswindow = window;
window.addEventListener("focus", _browser_tabfocus_test_eventOccured, true);
window.addEventListener("blur", _browser_tabfocus_test_eventOccured, true);
gBrowser.selectedTab = tab2;
var fm = Components.classes["@mozilla.org/focus-manager;1"].
getService(Components.interfaces.nsIFocusManager);
is(fm.focusedWindow, window, "focusedWindow after tab load");
is(fm.focusedElement, gURLBar.inputField, "focusedElement after tab load");
// make sure that the focus initially starts out blank
var focusedWindow = {};
is(fm.getFocusedElementForWindow(browser1.contentWindow, false, focusedWindow), null, "initial focus in tab 1");
is(focusedWindow.value, browser1.contentWindow, "initial frame focus in tab 1");
is(fm.getFocusedElementForWindow(browser2.contentWindow, false, focusedWindow), null, "initial focus in tab 2");
is(focusedWindow.value, browser2.contentWindow, "initial frame focus in tab 2");
// switching tabs when the urlbar is focused and nothing in the new tab is focused
// should keep focus in the urlbar
expectFocusShift(function () gBrowser.selectedTab = tab1,
window, gURLBar.inputField, false,
"focusedElement after tab change, focus in url field, no focus in new tab");
// focusing a button in the current tab should focus it
var button1 = browser1.contentWindow.document.getElementById("button1");
expectFocusShift(function () button1.focus(),
browser1.contentWindow, button1, true,
"focusedWindow after focus in focused tab");
// focusing a button in a background tab should not change the actual
// focus, but should set the focus that would be in that background tab to
// that button.
var button2 = browser2.contentWindow.document.getElementById("button2");
button2.focus();
expectFocusShift(function () button2.focus(),
browser1.contentWindow, button1, false,
"focusedWindow after focus in unfocused tab");
is(fm.getFocusedElementForWindow(browser2.contentWindow, false, {}), button2, "focus in unfocused tab");
// switching tabs should now make the button in the other tab focused
expectFocusShift(function () gBrowser.selectedTab = tab2,
browser2.contentWindow, button2, true,
"focusedWindow after tab change");
// blurring an element in a background tab should not change the active
// focus, but should clear the focus in that tab.
expectFocusShift(function () button1.blur(),
browser2.contentWindow, button2, false,
"focusedWindow after blur in unfocused tab");
is(fm.getFocusedElementForWindow(browser1.contentWindow, false, {}), null, "blur in unfocused tab");
// focusing the url field should switch active focus away from the tab but
// not clear what would be the focus in the tab
button1.focus();
expectFocusShift(function () gURLBar.focus(),
window, gURLBar.inputField, true,
"focusedWindow after url field focused");
is(fm.getFocusedElementForWindow(browser2.contentWindow, false, {}), button2, "url field focused, button in tab");
// when a chrome element is focused, switching tabs to a tab with a button
// with the current focus should focus the button
expectFocusShift(function () gBrowser.selectedTab = tab1,
browser1.contentWindow, button1, true,
"focusedWindow after tab change, focus in url field, button focused in new tab");
is(fm.getFocusedElementForWindow(browser2.contentWindow, false, {}), button2, "after switch tab, focus in unfocused tab");
// blurring an element in the current tab should clear the active focus
expectFocusShift(function () button1.blur(),
browser1.contentWindow, null, true,
"focusedWindow after blur in focused tab");
// blurring an non-focused url field should have no effect
expectFocusShift(function () gURLBar.blur(),
browser1.contentWindow, null, false,
"focusedWindow after blur in unfocused url field");
// switch focus to a tab with a currently focused element
expectFocusShift(function () gBrowser.selectedTab = tab2,
browser2.contentWindow, button2, true,
"focusedWindow after switch from unfocused to focused tab");
// clearing focus on the chrome window should switch the focus to the
// chrome window
expectFocusShift(function () fm.clearFocus(window),
window, null, true,
"focusedWindow after switch to chrome with no focused element");
// switch focus to another tab when neither have an active focus
expectFocusShift(function () gBrowser.selectedTab = tab1,
browser1.contentWindow, null, true,
"focusedWindow after tab switch from no focus to no focus");
window.addEventListener("focus", _browser_tabfocus_test_eventOccured, true);
window.addEventListener("blur", _browser_tabfocus_test_eventOccured, true);
// next, check whether navigating forward, focusing the urlbar and then
// navigating back maintains the focus in the urlbar.
browser1.addEventListener("pageshow", _browser_tabfocus_navigation_test_eventOccured, true);
button1.focus();
browser1.contentWindow.location = testPage3;
}
browser1.addEventListener("load", check, true);
browser2.addEventListener("load", check, true);
browser1.contentWindow.location = testPage1;
browser2.contentWindow.location = testPage2;
}
var _browser_tabfocus_test_lastfocus;
var _browser_tabfocus_test_lastfocuswindow = null;
var _browser_tabfocus_test_events = "";
function _browser_tabfocus_test_eventOccured(event)
{
var id;
if (event.target instanceof Window)
id = event.originalTarget.document.documentElement.id + "-window";
else if (event.target instanceof Document)
id = event.originalTarget.documentElement.id + "-document";
else if (event.target.id == "urlbar" && event.originalTarget.localName == "input")
id = "urlbar";
else
id = event.originalTarget.id;
if (_browser_tabfocus_test_events)
_browser_tabfocus_test_events += " ";
_browser_tabfocus_test_events += event.type + ": " + id;
}
function _browser_tabfocus_navigation_test_eventOccured(event)
{
if (event.target instanceof Document) {
var contentwin = event.target.defaultView;
if (contentwin.location.toString().indexOf("3") > 0) {
// just moved forward, so focus the urlbar and go back
gURLBar.focus();
setTimeout(function () contentwin.history.back(), 0);
}
else if (contentwin.location.toString().indexOf("2") > 0) {
is(window.document.activeElement, gURLBar.inputField, "urlbar still focused after navigating back");
gBrowser.removeCurrentTab();
gBrowser.removeCurrentTab();
finish();
}
}
}
function getId(element)
{
return (element.localName == "input") ? "urlbar" : element.id;
}
function expectFocusShift(callback, expectedWindow, expectedElement, focusChanged, testid)
{
var expectedEvents = "";
if (focusChanged) {
if (_browser_tabfocus_test_lastfocus)
expectedEvents += "blur: " + getId(_browser_tabfocus_test_lastfocus);
if (_browser_tabfocus_test_lastfocuswindow &&
_browser_tabfocus_test_lastfocuswindow != expectedWindow) {
if (expectedEvents)
expectedEvents += " ";
var windowid = _browser_tabfocus_test_lastfocuswindow.document.documentElement.id;
expectedEvents += "blur: " + windowid + "-document " +
"blur: " + windowid + "-window";
}
if (expectedWindow && _browser_tabfocus_test_lastfocuswindow != expectedWindow) {
if (expectedEvents)
expectedEvents += " ";
var windowid = expectedWindow.document.documentElement.id;
expectedEvents += "focus: " + windowid + "-document " +
"focus: " + windowid + "-window";
}
if (expectedElement) {
if (expectedEvents)
expectedEvents += " ";
expectedEvents += "focus: " + getId(expectedElement);
}
_browser_tabfocus_test_lastfocus = expectedElement;
_browser_tabfocus_test_lastfocuswindow = expectedWindow;
}
callback();
is(_browser_tabfocus_test_events, expectedEvents, testid + " events");
_browser_tabfocus_test_events = "";
var fm = Components.classes["@mozilla.org/focus-manager;1"].
getService(Components.interfaces.nsIFocusManager);
var focusedElement = fm.focusedElement;
is(focusedElement ? getId(focusedElement) : "none",
expectedElement ? getId(expectedElement) : "none", testid + " focusedElement");
is(fm.focusedWindow, expectedWindow, testid + " focusedWindow");
var focusedWindow = {};
is(fm.getFocusedElementForWindow(expectedWindow, false, focusedWindow),
expectedElement, testid + " getFocusedElementForWindow");
is(focusedWindow.value, expectedWindow, testid + " getFocusedElementForWindow frame");
is(expectedWindow.document.hasFocus(), true, testid + " hasFocus");
var expectedActive = expectedElement;
if (!expectedActive)
expectedActive = expectedWindow.document instanceof XULDocument ?
expectedWindow.document.documentElement : expectedWindow.document.body;
is(expectedWindow.document.activeElement, expectedActive, testid + " activeElement");
}