The Tor Browser: dom/tests/browser/browser_autofocus

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 function test() {

     2   waitForExplicitFinish();

     4   let fm = Components.classes["@mozilla.org/focus-manager;1"]

     5                      .getService(Components.interfaces.nsIFocusManager);

     7   let tabs = [ gBrowser.selectedTab, gBrowser.addTab() ];

     9   // The first tab has an autofocused element.

    10   // The second tab is exactly like the first one without the autofocus.

    11   let testingList = [

    12     { uri: "data:text/html,<!DOCTYPE html><html><body><input autofocus id='target'></body></html>",

    13       tagName: "INPUT"},

    14   ];

    16   function runTest() {

    17     // Set the focus to the first tab.

    18     tabs[0].linkedBrowser.focus();

    20     // Load the first tab on background.

    21     tabs[1].linkedBrowser.addEventListener("load", onLoadBackgroundTab, true);

    22     tabs[1].linkedBrowser.loadURI(testingList[0].uri);

    23   }

    25   function onLoadBackgroundTab() {

    26     tabs[1].linkedBrowser.removeEventListener("load", onLoadBackgroundTab, true);

    28     // The focus event (from autofocus) has been sent,

    29     // let's test with executeSoon so we are sure the test is done

    30     // after the focus event is processed.

    31     executeSoon(doTest);

    32   }

    34   function doTest() {

    35     for (var i=0; i<testingList.length; ++i) {

    36       // Get active element in the tab.

    37       var e = tabs[i+1].linkedBrowser.contentDocument.activeElement;

    39       is(e.tagName, testingList[i].tagName,

    40          "The background tab's focused element should be " +

    41          testingList[i].tagName);

    42       isnot(fm.focusedElement, e,

    43             "The background tab's focused element should not be the focus " +

    44             "manager focused element");

    45     }

    47     // Cleaning up.

    48     for (let i = 1; i < tabs.length; i++) {

    49       gBrowser.removeTab(tabs[i]);

    50     }

    51     finish();

    52   }

    54   runTest();

    55 }

The Tor Browser / file revision