<!
DOCTYPE HTML>
<
html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1509575
-->
<
head>
<
meta charset=
"utf-8">
<
meta name=
"viewport" content=
"width=device-width, initial-scale=1.0">
<
title>Test for Bug 1509575</
title>
<
script type=
"application/javascript" src=
"apz_test_native_event_utils.js"></
script>
<
script type=
"application/javascript" src=
"apz_test_utils.js"></
script>
<
script src=
"/tests/SimpleTest/paint_listener.js"></
script>
<
script src=
"/tests/SimpleTest/EventUtils.js"></
script>
</
head>
<
body>
<
div id=
"expand" style=
"background-color: paleturquoise ;">
Now you
're scrolled, now you're not?
</
div>
<
script type=
"application/javascript">
async function test() {
let transformEndPromise = promiseTransformEnd();
await synthesizeNativeTouchDrag(document.
body, 10, 100, -100, 0);
dump(
"Finished native drag, waiting for transform-end observer...\n");
// Wait for the APZ:TransformEnd to be fired after touch events are processed.
await transformEndPromise;
// Flush state.
await promiseApzFlushedRepaints();
is(window.scrollX, 0,
"layout viewport didn't scroll");
let visualX = window.visualViewport.pageLeft;
ok(visualX > 0,
"visual viewport did scroll");
let topWinUtils;
const isE10s = SpecialPowers.Services.appinfo.browserTabsRemoteAutostart;
// We need to reset the first paint flag on the root document in the process
// this test is loaded in.
if (!isE10s) {
// For non-e10s, such as in Fennec, this means we need the *chrome* window
// as the topmost entitiy in this process.
topWinUtils = SpecialPowers.getDOMWindowUtils(
SpecialPowers._getTopChromeWindow(window));
} else {
topWinUtils = SpecialPowers.getDOMWindowUtils(window);
}
let afterPaintPromise = promiseAfterPaint();
ok(topWinUtils.isFirstPaint === false,
"first paint not set");
topWinUtils.isFirstPaint = true;
// do something that forces a paint *and* an APZ update.
document.getElementById(
"expand").
style.width =
"6000px";
// Wait for the event listener to fire.
await afterPaintPromise;
ok(true,
"MozAfterPaint fired");
// Flush state just to be sure.
await promiseApzFlushedRepaints();
is(window.visualViewport.pageLeft, visualX,
"visual viewport remains unchanged");
}
SpecialPowers.getDOMWindowUtils(window).setResolutionAndScaleTo(2.0);
waitUntilApzStable()
.then(test)
.then(subtestDone, subtestFailed);
</
script>
</
body>
</
html>
