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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-scroll-snap/scroll-padding-focus.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<title>Scroll into view for focus respects scroll padding</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
#scroller {
height: 200px;
width: 600px;
margin: 50px;
scroll-padding: 0 120px;
scrollbar-width: none;
overflow: auto;
border: 1px solid black;
}
.wide {
width: 2000px;
}
#target {
width: 100px;
height: 100px;
margin: 10px;
margin-left: 600px;
background-color: silver;
}
</style>
<div id="scroller">
<div class="wide">
<div id="target" tabindex="-1" style="background-color: green"></div>
</div>
</div>
<div id="other-focus" tabindex="-1">Other focus</div>
<script>
function tick() {
return new Promise(resolve => {
requestAnimationFrame(() => requestAnimationFrame(resolve));
});
}
function reset()
{
document.getElementById('other-focus').focus();
}
let scroller = document.getElementById("scroller");
promise_test(async t => {
reset();
scroller.scrollTo(100, 0);
await tick();
const target = document.getElementById("target");
target.focus();
await tick(); // Work around WebKit bug.
assert_equals(scroller.scrollLeft, 350, "Focus should scroll the target from out under the left scrollpadding");
}, 'Avoid left scroll-padding');
promise_test(async t => {
reset();
scroller.scrollTo(600, 0);
await tick();
const target = document.getElementById("target");
target.focus();
await tick(); // Work around WebKit bug.
assert_equals(scroller.scrollLeft, 350, "Focus should scroll the target from out under the right scrollpadding");
}, 'Avoid right scroll-padding');
</script>