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/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set sts=2 sw=2 et tw=80: */
"use strict";
Services.scriptloader.loadSubScript(
"chrome://mochitests/content/browser/gfx/layers/apz/test/mochitest/apz_test_utils.js",
this
);
Services.scriptloader.loadSubScript(
"chrome://mochitests/content/browser/gfx/layers/apz/test/mochitest/apz_test_native_event_utils.js",
this
);
add_task(async () => {
// Use pan gesture events for Mac.
await SpecialPowers.pushPrefEnv({
set: [
// Set a relatively shorter timeout value.
["apz.content_response_timeout", 100],
],
});
const URL_ROOT = getRootDirectory(gTestPath).replace(
"chrome://mochitests/content/",
"http://mochi.test:8888/"
);
// Load a content having an APZ-aware listener causing 500ms busy state and
// a scroll event listener changing the background color of an element.
// The reason why we change the background color in a scroll listener rather
// than setting up a Promise resolved in a scroll event handler and waiting
// for the Promise is SpecialPowers.spawn doesn't allow it (bug 1743857).
const tab = await BrowserTestUtils.openNewForegroundTab(
gBrowser,
URL_ROOT + "helper_content_response_timeout.html"
);
let scrollPromise = BrowserTestUtils.waitForContentEvent(
tab.linkedBrowser,
"scroll"
);
await SpecialPowers.spawn(tab.linkedBrowser, [], async () => {
await content.wrappedJSObject.promiseApzFlushedRepaints();
await content.wrappedJSObject.waitUntilApzStable();
});
// Note that below function uses `WaitForObserver` version of sending a
// pan-start event function so that the notification can be sent in the parent
// process, thus we can get the notification even if the content process is
// busy.
await NativePanHandler.promiseNativePanEvent(
tab.linkedBrowser,
100,
100,
0,
NativePanHandler.delta,
NativePanHandler.beginPhase
);
await new Promise(resolve => {
// eslint-disable-next-line mozilla/no-arbitrary-setTimeout
setTimeout(resolve, 200);
});
await NativePanHandler.promiseNativePanEvent(
tab.linkedBrowser,
100,
100,
0,
NativePanHandler.delta,
NativePanHandler.updatePhase
);
await NativePanHandler.promiseNativePanEvent(
tab.linkedBrowser,
100,
100,
0,
0,
NativePanHandler.endPhase
);
await scrollPromise;
ok(true, "We got at least one scroll event");
BrowserTestUtils.removeTab(tab);
await SpecialPowers.popPrefEnv();
});
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