The Tor Browser: browser/base/content/test/general/browser

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /*

     2  * This test checks that focus is adjusted properly when switching tabs.

     3  */

     5 let testPage1 = "data:text/html,<html id='tab1'><body><button id='button1'>Tab 1</button></body></html>";

     6 let testPage2 = "data:text/html,<html id='tab2'><body><button id='button2'>Tab 2</button></body></html>";

     7 let testPage3 = "data:text/html,<html id='tab3'><body><button id='button3'>Tab 3</button></body></html>";

     9 function test() {

    10   waitForExplicitFinish();

    12   var tab1 = gBrowser.addTab();

    13   var browser1 = gBrowser.getBrowserForTab(tab1);

    15   var tab2 = gBrowser.addTab();

    16   var browser2 = gBrowser.getBrowserForTab(tab2);

    18   gURLBar.focus();

    20   var loadCount = 0;

    21   function check()

    22   {

    23     // wait for both tabs to load

    24     if (++loadCount != 2)

    25       return;

    27     browser1.removeEventListener("load", check, true);

    28     browser2.removeEventListener("load", check, true);

    29     executeSoon(_run_focus_tests);

    30   }

    32   function _run_focus_tests() {

    33     window.focus();

    35     _browser_tabfocus_test_lastfocus = gURLBar;

    36     _browser_tabfocus_test_lastfocuswindow = window;

    38     window.addEventListener("focus", _browser_tabfocus_test_eventOccured, true);

    39     window.addEventListener("blur", _browser_tabfocus_test_eventOccured, true);

    41     // make sure that the focus initially starts out blank

    42     var fm = Cc["@mozilla.org/focus-manager;1"].getService(Ci.nsIFocusManager);

    43     var focusedWindow = {};

    44     is(fm.getFocusedElementForWindow(browser1.contentWindow, false, focusedWindow), null, "initial focus in tab 1");

    45     is(focusedWindow.value, browser1.contentWindow, "initial frame focus in tab 1");

    46     is(fm.getFocusedElementForWindow(browser2.contentWindow, false, focusedWindow), null, "initial focus in tab 2");

    47     is(focusedWindow.value, browser2.contentWindow, "initial frame focus in tab 2");

    49     expectFocusShift(function () gBrowser.selectedTab = tab2,

    50                      browser2.contentWindow, null, true,

    51                      "focusedElement after tab change, focus in new tab");

    53     // switching tabs when nothing in the new tab is focused

    54     // should focus the browser

    55     expectFocusShift(function () gBrowser.selectedTab = tab1,

    56                      browser1.contentWindow, null, true,

    57                      "focusedElement after tab change, focus in new tab");

    59     // focusing a button in the current tab should focus it

    60     var button1 = browser1.contentDocument.getElementById("button1");

    61     expectFocusShift(function () button1.focus(),

    62                      browser1.contentWindow, button1, true,

    63                      "focusedWindow after focus in focused tab");

    65     // focusing a button in a background tab should not change the actual

    66     // focus, but should set the focus that would be in that background tab to

    67     // that button.

    68     var button2 = browser2.contentDocument.getElementById("button2");

    69     button2.focus();

    71     expectFocusShift(function () button2.focus(),

    72                      browser1.contentWindow, button1, false,

    73                      "focusedWindow after focus in unfocused tab");

    74     is(fm.getFocusedElementForWindow(browser2.contentWindow, false, {}), button2, "focus in unfocused tab");

    76     // switching tabs should now make the button in the other tab focused

    77     expectFocusShift(function () gBrowser.selectedTab = tab2,

    78                      browser2.contentWindow, button2, true,

    79                      "focusedWindow after tab change");

    81     // blurring an element in a background tab should not change the active

    82     // focus, but should clear the focus in that tab.

    83     expectFocusShift(function () button1.blur(),

    84                      browser2.contentWindow, button2, false,

    85                      "focusedWindow after blur in unfocused tab");

    86     is(fm.getFocusedElementForWindow(browser1.contentWindow, false, {}), null, "blur in unfocused tab");

    88     // When focus is in the tab bar, it should be retained there

    89     expectFocusShift(function () gBrowser.selectedTab.focus(),

    90                      window, gBrowser.selectedTab, true,

    91                      "focusing tab element");

    92     expectFocusShift(function () gBrowser.selectedTab = tab1,

    93                      window, tab1, true,

    94                      "tab change when selected tab element was focused");

    95     expectFocusShift(function () gBrowser.selectedTab = tab2,

    96                      window, tab2, true,

    97                      "tab change when selected tab element was focused");

    98     expectFocusShift(function () gBrowser.selectedTab.blur(),

    99                      window, null, true,

   100                      "blurring tab element");

   102     // focusing the url field should switch active focus away from the browser but

   103     // not clear what would be the focus in the browser

   104     button1.focus();

   105     expectFocusShift(function () gURLBar.focus(),

   106                      window, gURLBar.inputField, true,

   107                      "focusedWindow after url field focused");

   108     is(fm.getFocusedElementForWindow(browser2.contentWindow, false, {}), button2, "url field focused, button in browser");

   109     expectFocusShift(function () gURLBar.blur(),

   110                      window, null, true,

   111                      "blurring url field");

   113     // when a chrome element is focused, switching tabs to a tab with a button

   114     // with the current focus should focus the button

   115     expectFocusShift(function () gBrowser.selectedTab = tab1,

   116                      browser1.contentWindow, button1, true,

   117                      "focusedWindow after tab change, focus in url field, button focused in new tab");

   118     is(fm.getFocusedElementForWindow(browser2.contentWindow, false, {}), button2, "after switch tab, focus in unfocused tab");

   120     // blurring an element in the current tab should clear the active focus

   121     expectFocusShift(function () button1.blur(),

   122                      browser1.contentWindow, null, true,

   123                      "focusedWindow after blur in focused tab");

   125     // blurring an non-focused url field should have no effect

   126     expectFocusShift(function () gURLBar.blur(),

   127                      browser1.contentWindow, null, false,

   128                      "focusedWindow after blur in unfocused url field");

   130     // switch focus to a tab with a currently focused element

   131     expectFocusShift(function () gBrowser.selectedTab = tab2,

   132                      browser2.contentWindow, button2, true,

   133                      "focusedWindow after switch from unfocused to focused tab");

   135     // clearing focus on the chrome window should switch the focus to the

   136     // chrome window

   137     expectFocusShift(function () fm.clearFocus(window),

   138                      window, null, true,

   139                      "focusedWindow after switch to chrome with no focused element");

   141     // switch focus to another tab when neither have an active focus

   142     expectFocusShift(function () gBrowser.selectedTab = tab1,

   143                      browser1.contentWindow, null, true,

   144                      "focusedWindow after tab switch from no focus to no focus");

   146     gURLBar.focus();

   147     _browser_tabfocus_test_events = "";

   148     _browser_tabfocus_test_lastfocus = gURLBar;

   149     _browser_tabfocus_test_lastfocuswindow = window;

   151     expectFocusShift(function () EventUtils.synthesizeKey("VK_F6", { }),

   152                      browser1.contentWindow, browser1.contentDocument.documentElement,

   153                      true, "switch document forward with f6");

   154     EventUtils.synthesizeKey("VK_F6", { });

   155     is(fm.focusedWindow, window, "switch document forward again with f6");

   157     browser1.style.MozUserFocus = "ignore";

   158     browser1.clientWidth;

   159     EventUtils.synthesizeKey("VK_F6", { });

   160     is(fm.focusedWindow, window, "switch document forward again with f6 when browser non-focusable");

   162     window.removeEventListener("focus", _browser_tabfocus_test_eventOccured, true);

   163     window.removeEventListener("blur", _browser_tabfocus_test_eventOccured, true);

   165     // next, check whether navigating forward, focusing the urlbar and then

   166     // navigating back maintains the focus in the urlbar.

   167     browser1.addEventListener("pageshow", _browser_tabfocus_navigation_test_eventOccured, true);

   168     button1.focus();

   169     browser1.contentWindow.location = testPage3;

   170   }

   172   browser1.addEventListener("load", check, true);

   173   browser2.addEventListener("load", check, true);

   174   browser1.contentWindow.location = testPage1;

   175   browser2.contentWindow.location = testPage2;

   176 }

   178 var _browser_tabfocus_test_lastfocus;

   179 var _browser_tabfocus_test_lastfocuswindow = null;

   180 var _browser_tabfocus_test_events = "";

   182 function _browser_tabfocus_test_eventOccured(event)

   183 {

   184   var id;

   185   if (event.target instanceof Window)

   186     id = event.originalTarget.document.documentElement.id + "-window";

   187   else if (event.target instanceof Document)

   188     id = event.originalTarget.documentElement.id + "-document";

   189   else if (event.target.id == "urlbar" && event.originalTarget.localName == "input")

   190     id = "urlbar";

   191   else

   192     id = event.originalTarget.id;

   194   if (_browser_tabfocus_test_events)

   195     _browser_tabfocus_test_events += " ";

   196   _browser_tabfocus_test_events += event.type + ": " + id;

   197 }

   199 function _browser_tabfocus_navigation_test_eventOccured(event)

   200 {

   201   if (event.target instanceof Document) {

   202     var contentwin = event.target.defaultView;

   203     if (contentwin.location.toString().indexOf("3") > 0) {

   204       // just moved forward, so focus the urlbar and go back

   205       gURLBar.focus();

   206       setTimeout(function () contentwin.history.back(), 0);

   207     }

   208     else if (contentwin.location.toString().indexOf("2") > 0) {

   209       event.currentTarget.removeEventListener("pageshow", _browser_tabfocus_navigation_test_eventOccured, true);

   210       is(window.document.activeElement, gURLBar.inputField, "urlbar still focused after navigating back");

   211       gBrowser.removeCurrentTab();

   212       gBrowser.removeCurrentTab();

   213       finish();

   214     }

   215   }

   216 }

   218 function getId(element)

   219 {

   220   return (element.localName == "input") ? "urlbar" : element.id;

   221 }

   223 function expectFocusShift(callback, expectedWindow, expectedElement, focusChanged, testid)

   224 {

   225   var expectedEvents = "";

   226   if (focusChanged) {

   227     if (_browser_tabfocus_test_lastfocus)

   228       expectedEvents += "blur: " + getId(_browser_tabfocus_test_lastfocus);

   230     if (_browser_tabfocus_test_lastfocuswindow &&

   231         _browser_tabfocus_test_lastfocuswindow != expectedWindow) {

   232       if (expectedEvents)

   233         expectedEvents += " ";

   234       var windowid = _browser_tabfocus_test_lastfocuswindow.document.documentElement.id;

   235       expectedEvents += "blur: " + windowid + "-document " +

   236                         "blur: " + windowid + "-window";

   237     }

   239     if (expectedWindow && _browser_tabfocus_test_lastfocuswindow != expectedWindow) {

   240       if (expectedEvents)

   241         expectedEvents += " ";

   242       var windowid = expectedWindow.document.documentElement.id;

   243       expectedEvents += "focus: " + windowid + "-document " +

   244                         "focus: " + windowid + "-window";

   245     }

   247     if (expectedElement && expectedElement != expectedElement.ownerDocument.documentElement) {

   248       if (expectedEvents)

   249         expectedEvents += " ";

   250       expectedEvents += "focus: " + getId(expectedElement);

   251     }

   253     _browser_tabfocus_test_lastfocus = expectedElement;

   254     _browser_tabfocus_test_lastfocuswindow = expectedWindow;

   255   }

   257   callback();

   259   is(_browser_tabfocus_test_events, expectedEvents, testid + " events");

   260   _browser_tabfocus_test_events = "";

   262   var fm = Cc["@mozilla.org/focus-manager;1"].getService(Ci.nsIFocusManager);

   264   var focusedElement = fm.focusedElement;

   265   is(focusedElement ? getId(focusedElement) : "none",

   266      expectedElement ? getId(expectedElement) : "none", testid + " focusedElement");

   267   is(fm.focusedWindow, expectedWindow, testid + " focusedWindow");

   268   var focusedWindow = {};

   269   is(fm.getFocusedElementForWindow(expectedWindow, false, focusedWindow),

   270      expectedElement, testid + " getFocusedElementForWindow");

   271   is(focusedWindow.value, expectedWindow, testid + " getFocusedElementForWindow frame");

   272   is(expectedWindow.document.hasFocus(), true, testid + " hasFocus");

   273   var expectedActive = expectedElement;

   274   if (!expectedActive)

   275     expectedActive = expectedWindow.document instanceof XULDocument ?

   276                      expectedWindow.document.documentElement : expectedWindow.document.body;

   277   is(expectedWindow.document.activeElement, expectedActive, testid + " activeElement");

   278 }

The Tor Browser / file revision

browser/base/content/test/general/browser_tabfocus.js@6474c204b198

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