var shouldStop = false; var activateShift = false; var expectedResult = "i1,i2,i3,i4,i5,i7,i8,number,i9,i10,i11,i12"; var forwardFocusArray = expectedResult.split(","); var backwardFocusArray = expectedResult.split(","); var forwardBlurArray = expectedResult.split(","); var backwardBlurArray = expectedResult.split(",");
// Adding 3 for "begin", "end", "begin" and one for the <a> in the Mochitest template, var expectedWindowFocusCount = forwardFocusArray.length + backwardFocusArray.length + 4;
// but the last blur event goes to i1, not "begin". var expectedWindowBlurCount = forwardFocusArray.length + backwardFocusArray.length + 3;
function handleFocus(e) {
if (e.target.id == "begin") {
// if the activateShift is set, the test is coming back from the end.
if (activateShift) {
shouldStop = true;
}
} else if (e.target.id == "end") {
activateShift = true;
} else if (activateShift) { var expected = backwardFocusArray.pop();
ok(expected == e.target.id, "(focus) Backward tabbing, expected [" +
expected + "], got [" + e.target.id + "]");
} else { var expected = forwardFocusArray.shift();
is(e.target, document.activeElement, "Wrong activeElement!");
ok(expected == e.target.id, "(focus) Forward tabbing, expected [" +
expected + "], got [" + e.target.id + "]");
}
}
function handleWindowFocus(e) {
--expectedWindowFocusCount; var s = "target " + e.target;
if ("id" in e.target) {
s = s + ", id=\"" + e.target.id + "\"";
}
ok(e.eventPhase == Event.CAPTURING_PHASE, "|window| should not have got a focus event, " + s);
}
function handleWindowBlur(e) {
--expectedWindowBlurCount; var s = "target " + e.target;
if ("id" in e.target) {
s = s + ", id=\"" + e.target.id + "\"";
}
ok(e.eventPhase == Event.CAPTURING_PHASE, "|window| should not have got a blur event, " + s);
}
function tab() {
// Send tab key events.
synthesizeKey("KEY_Tab", {shiftKey: activateShift});
if (shouldStop) {
// Did focus handling succeed
is(forwardFocusArray.length, 0, "Not all forward tabbing focus tests were run, " +
forwardFocusArray.toString());
is(backwardFocusArray.length, 0, "Not all backward tabbing focus tests were run, " +
backwardFocusArray.toString());
is(expectedWindowFocusCount, 0, "|window| didn't get the right amount of focus events");
// and blur.
is(forwardBlurArray.length, 0, "Not all forward tabbing blur tests were run, " +
forwardBlurArray.toString());
is(backwardBlurArray.length, 0, "Not all backward tabbing blur tests were run, " +
backwardBlurArray.toString());
is(expectedWindowBlurCount, 0, "|window| didn't get the right amount of blur events");
// Cleanup
window.removeEventListener("focus", handleWindowFocus, true);
window.removeEventListener("focus", handleWindowFocus);
window.removeEventListener("blur", handleWindowBlur, true);
window.removeEventListener("blur", handleWindowBlur); var elements = document.getElementsByTagName("*");
for (var i = 0; i < elements.length; ++i) {
if (elements[i].hasAttribute("id")) {
elements[i].removeEventListener("focus", handleFocus);
elements[i].removeEventListener("blur", handleBlur);
}
}
function start() {
window.focus();
window.addEventListener("focus", handleWindowFocus, true);
window.addEventListener("focus", handleWindowFocus);
window.addEventListener("blur", handleWindowBlur, true);
window.addEventListener("blur", handleWindowBlur); var elements = document.getElementsByTagName("*");
for (var i = 0; i < elements.length; ++i) {
if (elements[i].hasAttribute("id")) {
elements[i].addEventListener("focus", handleFocus);
elements[i].addEventListener("blur", handleBlur);
}
if (elements[i].getAttribute("tabindex") == "1") {
elements[i].setAttribute("tabindex", "-1");
}
}
tab();
}
// accessibility.tabfocus must be set to value 7 before running test also
// on a mac.
function doTest() {
SpecialPowers.pushPrefEnv({"set": [["accessibility.tabfocus", 7]]}, start);
}
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