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"use strict";
/**
* Stylesheets are updated for a browser after the pageshow event.
* This helper function returns a Promise that waits for that pageshow
* event, and then resolves on the next tick to ensure that gPageStyleMenu
* has had a chance to update the stylesheets.
*
* @param browser
* The <xul:browser> to wait for.
* @return Promise
*/
function promiseStylesheetsUpdated(browser) {
return ContentTask.spawn(browser, { PAGE }, function*(args) {
return new Promise((resolve) => {
addEventListener("pageshow", function onPageShow(e) {
if (e.target.location == args.PAGE) {
removeEventListener("pageshow", onPageShow);
content.setTimeout(resolve, 0);
}
});
})
});
}
const PAGE = "http://example.com/browser/browser/base/content/test/general/page_style_sample.html";
/*
* Test that the right stylesheets do (and others don't) show up
* in the page style menu.
*/
add_task(function*() {
let tab = yield BrowserTestUtils.openNewForegroundTab(gBrowser, "about:blank", false);
let browser = tab.linkedBrowser;
yield BrowserTestUtils.loadURI(browser, PAGE);
yield promiseStylesheetsUpdated(browser);
let menupopup = document.getElementById("pageStyleMenu").menupopup;
gPageStyleMenu.fillPopup(menupopup);
var items = [];
var current = menupopup.getElementsByTagName("menuseparator")[0];
while (current.nextSibling) {
current = current.nextSibling;
items.push(current);
}
items = items.map(el => ({
label: el.getAttribute("label"),
checked: el.getAttribute("checked") == "true",
}));
let validLinks = yield ContentTask.spawn(gBrowser.selectedBrowser, items, function(contentItems) {
let contentValidLinks = 0;
Array.forEach(content.document.querySelectorAll("link, style"), function (el) {
var title = el.getAttribute("title");
var rel = el.getAttribute("rel");
var media = el.getAttribute("media");
var idstring = el.nodeName + " " + (title ? title : "without title and") +
" with rel=\"" + rel + "\"" +
(media ? " and media=\"" + media + "\"" : "");
var item = contentItems.filter(aItem => aItem.label == title);
var found = item.length == 1;
var checked = found && item[0].checked;
switch (el.getAttribute("data-state")) {
case "0":
ok(!found, idstring + " should not show up in page style menu");
break;
case "0-todo":
contentValidLinks++;
todo(!found, idstring + " should not show up in page style menu");
ok(!checked, idstring + " should not be selected");
break;
case "1":
contentValidLinks++;
ok(found, idstring + " should show up in page style menu");
ok(!checked, idstring + " should not be selected");
break;
case "2":
contentValidLinks++;
ok(found, idstring + " should show up in page style menu");
ok(checked, idstring + " should be selected");
break;
default:
throw "data-state attribute is missing or has invalid value";
}
});
return contentValidLinks;
});
ok(items.length, "At least one item in the menu");
is(items.length, validLinks, "all valid links found");
yield BrowserTestUtils.removeTab(tab);
});
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