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<!DOCTYPE html>
<html class=reftest-wait>
<title>View transitions: massive element on top of viewport and completely offscreen (new content)</title>
<link rel="help" href="https://github.com/WICG/view-transitions">
<link rel="author" href="mailto:khushalsagar@chromium.org">
<link rel="match" href="massive-element-on-top-of-viewport-offscreen-ref.html">
<meta name="fuzzy" content="massive-element-on-top-of-viewport-offscreen-ref.html:maxDifference=0-6;totalPixels=0-920">
<script src="/common/reftest-wait.js"></script>
<style>
.target_before_block_start_edge {
position: fixed;
inset-block-start: -40100px;
inset-inline-start: 0px;
}
.target {
contain: paint;
inline-size: 100px;
block-size: 40000px;
view-transition-name: target;
}
.top {
inline-size: 100%;
block-size: 100px;
background: lightblue;
}
.middle {
inline-size: 100%;
block-size: 39800px;
background: green;
}
.bottom {
inline-size: 100%;
block-size: 100px;
background: blue;
}
.hidden {
contain: paint;
inline-size: 10px;
block-size: 10px;
background: grey;
view-transition-name: hidden;
}
html::view-transition-group(hidden) { animation-duration: 300s; }
html::view-transition-image-pair(hidden) { animation: unset; opacity: 0; }
html::view-transition-old(*), html::view-transition-new(*) {
object-fit: none;
}
/* We should capture at least viewport height worth of content from the element's bottom edge */
html::view-transition-group(target) {
animation: unset;
transform: unset;
position: fixed;
top: unset;
right: unset;
inset-block-end: 0;
inset-inline-start: 0;
}
html::view-transition-old(target) { animation: unset; opacity: 0; }
html::view-transition-new(target) { animation: unset; opacity: 1; }
</style>
<div class="target target_before_block_start_edge" id="target">
<div class="top">This text is at the top of the box</div>
<div class="middle">This text is in the middle of the box</div>
<div id="scrollblue" class="bottom">This text is at the bottom of the box</div>
</div>
<div id=hidden class=hidden></div>
<script>
failIfNot(document.startViewTransition, "Missing document.startViewTransition");
async function runTest() {
document.startViewTransition(() => {
requestAnimationFrame(() => requestAnimationFrame(() =>
requestAnimationFrame(() => requestAnimationFrame(takeScreenshot))
));
});
}
onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
</script>
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