mozilla-central/layout/base/tests/chrome/test_css_visibility_propagation.xhtml (file symbol)

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Test Info: Warnings

<?xml version="1.0"?>
<?xml-stylesheet type="text/css" href="chrome://global/skin"?>
<?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>
<body xmlns="http://www.w3.org/1999/xhtml"></body>
<script>
<![CDATA[
function checkHiddenEmbeddederState(window1, window2, expected1, expected2)
{
ok(!window1.browsingContext.isUnderHiddenEmbedderElement, "window1 visible state");
ok(!window2.browsingContext.isUnderHiddenEmbedderElement, "window2 visible state");
is(window1.document.querySelector("browser").contentWindow.browsingContext.isUnderHiddenEmbedderElement, !expected1,
"window1 child visible state");
is(window2.document.querySelector("browser").contentWindow.browsingContext.isUnderHiddenEmbedderElement, !expected2,
"window2 child visible state");
}
// Tests that browser visibility is updated when it's swapped.
add_task(async () => {
// Open two new windows to swap iframes.
const window1 = window.browsingContext.topChromeWindow.open(
baseURL + "window_css_visibility_propagation-1.xhtml",
"_blank", "chrome");
const window2 = window.browsingContext.topChromeWindow.open(
baseURL + "window_css_visibility_propagation-2.xhtml",
"_blank", "chrome");
const loadWindow1 =
new Promise(resolve => window1.addEventListener("load", resolve));
const loadWindow2 =
new Promise(resolve => window2.addEventListener("load", resolve));
await Promise.all([ loadWindow1, loadWindow2 ]);
checkHiddenEmbeddederState(window1, window2, false, true);
// Hide the parent of browser2.
let parent = window2.document.getElementById("parent");
parent.style.visibility = "hidden";
parent.getBoundingClientRect();
checkHiddenEmbeddederState(window1, window2, false, false);
const browser2 = window2.document.querySelector("browser");
let target = browser2.contentDocument.getElementById("button");
target.focus();
// browser2 is now in a visibility:hidden element in window2,
// so that Element.focus() shouldn't work.
isnot(browser2.contentDocument.activeElement, target,
"Element.focus() shouldn't work in invisible browser");
// Make the parent visible.
parent.style.visibility = "";
parent.getBoundingClientRect();
checkHiddenEmbeddederState(window1, window2, false, true);
target.focus();
// browser2 is visible now, so focus() should work.
is(browser2.contentDocument.activeElement, target,
"Element.focus() should work in visible browser");
target.blur();
isnot(browser2.contentDocument.activeElement, target,
"The target element shouldn't be activeElement");
// Swap the content in browser1 for the content in browser2.
const browser1 = window1.document.querySelector("browser");
browser1.swapFrameLoaders(browser2);
await new Promise(resolve => setTimeout(resolve, 0));
target = browser1.contentDocument.getElementById("button");
target.focus();
// browser1 is in a visibility:hidden element in window1,
// so that Element.focus() shouldn't work.
isnot(browser1.contentDocument.activeElement, target,
"Element.focus() shouldn't work in invisible browser");
checkHiddenEmbeddederState(window1, window2, false, true);
parent = window1.document.getElementById("parent");
parent.style.visibility = "visible";
parent.getBoundingClientRect();
checkHiddenEmbeddederState(window1, window2, true, true);
target.focus();
// Now browser1 is in a visibility:visible element, so that
// Element.focus() should just work.
is(browser1.contentDocument.activeElement, target,
"Element.focus() should work in visible browser");
window1.close();
window2.close();
});
// Tests that ancestor's visibility change doesn't clobber child
// iframe's visibility if the child iframe is hidden by an
// element in the ancestor document.
add_task(async () => {
const tabReady = new Promise(resolve => {
window.addEventListener("message", event => {
if (event.data == "ready") {
resolve();
}
}, { once: true });
});
const tabWindow =
window.open(baseURL + "window_css_visibility_propagation-3.html");
await tabReady;
const childIFrame = tabWindow.document.querySelector("iframe");
const grandChildBrowser =
childIFrame.contentDocument.querySelector("browser");
let target = grandChildBrowser.contentDocument.getElementById("button");
target.focus();
ok(!tabWindow.browsingContext.isUnderHiddenEmbedderElement, "tab window is visible");
ok(!childIFrame.browsingContext.isUnderHiddenEmbedderElement, "iframe is visible");
ok(!grandChildBrowser.browsingContext.isUnderHiddenEmbedderElement, "grandchild is visible");
is(grandChildBrowser.contentDocument.activeElement, target,
"Element.focus() should work in visible browser");
target.blur();
// Hide the parent element of the grand child browser.
let parent = childIFrame.contentDocument.getElementById("parent");
parent.style.visibility = "hidden";
parent.getBoundingClientRect();
ok(!tabWindow.browsingContext.isUnderHiddenEmbedderElement, "tab window is visible");
ok(!childIFrame.browsingContext.isUnderHiddenEmbedderElement, "iframe is visible");
ok(grandChildBrowser.browsingContext.isUnderHiddenEmbedderElement, "grandchild is not visible");
target.focus();
isnot(grandChildBrowser.contentDocument.activeElement, target,
"Element.focus() shouldn't work in invisible browser");
// Hide the parent element of the child iframe.
parent = tabWindow.document.getElementById("parent");
parent.style.visibility = "hidden";
parent.getBoundingClientRect();
target.focus();
ok(!tabWindow.browsingContext.isUnderHiddenEmbedderElement, "tab window is visible");
ok(childIFrame.browsingContext.isUnderHiddenEmbedderElement, "iframe is not visible");
ok(grandChildBrowser.browsingContext.isUnderHiddenEmbedderElement, "grandchild is not visible");
isnot(grandChildBrowser.contentDocument.activeElement, target,
"Element.focus() shouldn't work in invisible iframe");
// Make the parent element of the child iframe visible.
parent.style.visibility = "visible";
parent.getBoundingClientRect();
ok(!tabWindow.browsingContext.isUnderHiddenEmbedderElement, "tab window is visible");
ok(!childIFrame.browsingContext.isUnderHiddenEmbedderElement, "iframe is visible");
ok(grandChildBrowser.browsingContext.isUnderHiddenEmbedderElement, "grandchild is not visible");
target.focus();
// Even if the child iframe is visible, but still the grand child is
// hidden by the parent element of the grand child browser so that
// we can't focus to the element in the grand child browser.
isnot(grandChildBrowser.contentDocument.activeElement, target,
"Element.focus() shouldn't work in invisible browser");
tabWindow.close();
});
// Tests that an iframe is initially hidden by a visibility:hidden element in
// the parent document.
add_task(async () => {
const tabReady = new Promise(resolve => {
window.addEventListener("message", event => {
if (event.data == "ready") {
resolve();
}
}, { once: true });
});
const tabWindow =
window.open(baseURL + "window_css_visibility_propagation-4.html");
await tabReady;
const iframe = tabWindow.document.querySelector("iframe");
let target = iframe.contentDocument.getElementById("button");
target.focus();
ok(!tabWindow.browsingContext.isUnderHiddenEmbedderElement, "tab window is visible");
ok(iframe.browsingContext.isUnderHiddenEmbedderElement, "iframe is not visible");
isnot(iframe.contentDocument.activeElement, target,
"Element.focus() shouldn't work in invisible iframe");
tabWindow.close();
});
]]>
</script>
</window>