Revision control
Copy as Markdown
Other Tools
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
/* globals openPreferencesTab */
async function openNewPrefsTab(paneID, scrollPaneTo, otherArgs) {
const tabmail = document.getElementById("tabmail");
const prefsTabMode = tabmail.tabModes.preferencesTab;
Assert.equal(prefsTabMode.tabs.length, 0, "Prefs tab is not open");
let prefsDocument = await new Promise(resolve => {
Services.obs.addObserver(function documentLoaded(subject) {
if (subject.URL.startsWith("about:preferences")) {
Services.obs.removeObserver(documentLoaded, "chrome-document-loaded");
resolve(subject);
}
}, "chrome-document-loaded");
openPreferencesTab(paneID, scrollPaneTo, otherArgs);
});
Assert.ok(prefsDocument.URL.startsWith("about:preferences"), "Prefs tab is open");
prefsDocument = prefsTabMode.tabs[0].browser.contentDocument;
const prefsWindow = prefsDocument.ownerGlobal;
prefsWindow.resizeTo(screen.availWidth, screen.availHeight);
if (paneID) {
await new Promise(resolve => prefsWindow.setTimeout(resolve));
Assert.equal(prefsWindow.gLastCategory.category, paneID, `Selected pane is ${paneID}`);
} else {
// If we don't wait here for other scripts to run, they
// could be in a bad state if our test closes the tab.
await new Promise(resolve => prefsWindow.setTimeout(resolve));
}
registerCleanupOnce();
await new Promise(resolve => prefsWindow.setTimeout(resolve));
if (scrollPaneTo) {
Assert.greater(
prefsDocument.getElementById("preferencesContainer").scrollTop,
0,
"Prefs page did scroll when it was supposed to"
);
}
return { prefsDocument, prefsWindow };
}
function registerCleanupOnce() {
if (registerCleanupOnce.alreadyRegistered) {
return;
}
registerCleanupFunction(closePrefsTab);
registerCleanupOnce.alreadyRegistered = true;
}
async function closePrefsTab() {
info("Closing prefs tab");
const tabmail = document.getElementById("tabmail");
const prefsTab = tabmail.tabModes.preferencesTab.tabs[0];
if (prefsTab) {
tabmail.closeTab(prefsTab);
}
}