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async function openSelectPopup(
mode = "key",
selector = "select",
win = window
) {
info("Opening select popup");
let popupShownPromise = BrowserTestUtils.waitForSelectPopupShown(win);
if (mode == "click" || mode == "mousedown") {
let mousePromise;
if (mode == "click") {
mousePromise = BrowserTestUtils.synthesizeMouseAtCenter(
selector,
{},
win.gBrowser.selectedBrowser
);
} else {
mousePromise = BrowserTestUtils.synthesizeMouse(
selector,
5,
5,
{ type: "mousedown" },
win.gBrowser.selectedBrowser
);
}
await mousePromise;
} else {
EventUtils.synthesizeKey("KEY_ArrowDown", { altKey: true }, win);
}
return popupShownPromise;
}
function hideSelectPopup(mode = "enter", win = window) {
let browser = win.gBrowser.selectedBrowser;
let selectClosedPromise = SpecialPowers.spawn(browser, [], async function () {
let { SelectContentHelper } = ChromeUtils.importESModule(
"resource://gre/actors/SelectChild.sys.mjs"
);
return ContentTaskUtils.waitForCondition(() => !SelectContentHelper.open);
});
if (mode == "escape") {
EventUtils.synthesizeKey("KEY_Escape", {}, win);
} else if (mode == "enter") {
EventUtils.synthesizeKey("KEY_Enter", {}, win);
} else if (mode == "click") {
let popup = win.document.getElementById("ContentSelectDropdown").menupopup;
EventUtils.synthesizeMouseAtCenter(popup.lastElementChild, {}, win);
}
return selectClosedPromise;
}
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