<!DOCTYPE html>
<html class=reftest-wait>
<title>View transitions: container of shared element writing-modes</title>
<link rel="help" href="https://github.com/WICG/view-transitions">
<link rel="author" href="mailto:vmpstr@chromium.org">
<link rel="match" href="old-content-container-writing-modes-ref.html">
<script src="/common/reftest-wait.js"></script>
<style>
#hidden {
  width: 100px;
  height: 100px;
  background: red;
  position: absolute;
  top: 0;
  left: 0;
  contain: paint;
  view-transition-name: hidden;
}
.tb { writing-mode: horizontal-tb; }
.lr { writing-mode: vertical-lr; }
.rl { writing-mode: vertical-rl; }
.shared {
  margin: 2px;
  width: 100px;
  height: 50px;
  background: green;
  contain: paint;
  border: 1px solid black;
}
#target1, #target2, #target3 {
  background: red;
  position: absolute;
  top: 50px;
  left: 50px;
  width: 100px;
  height: 500px;
  contain: paint;
}
#one { view-transition-name: s1; }
#two { view-transition-name: s2; }
#three { view-transition-name: s3; }

html::view-transition-group(hidden) { animation-duration: 300s; }
html::view-transition-image-pair(hidden) { animation: unset; opacity: 0; }

html::view-transition-group(s1),
html::view-transition-group(s2),
html::view-transition-group(s3) {
  animation-delay: 300s;
  animation-fill-mode: both;
}

html::view-transition-new(s1),
html::view-transition-new(s2),
html::view-transition-new(s3) { animation: unset; opacity: 0; }

html::view-transition-old(s1),
html::view-transition-old(s2),
html::view-transition-old(s3) { animation: unset; opacity: 1; }

/* hide the root so we show transition background to ensure we're in a transition */
html::view-transition-group(root) { animation: unset; opacity: 0; }
html::view-transition { background: lightpink; }

</style>

<div id=hidden>Should not be visible</div>
<div id=target1>Should not be visible</div>
<div id=target2>Should not be visible</div>
<div id=target3>Should not be visible</div>
<div class=tb><div id=one class=shared>T</div></div>
<div class=lr><div id=two class=shared>T</div></div>
<div class=rl><div id=three class=shared>T</div></div>

<script>
failIfNot(document.startViewTransition, "Missing document.startViewTransition");

async function runTest() {
  document.startViewTransition(() => {
    one.remove();
    two.remove();
    three.remove();
    hidden.style.left = "200px";
    target1.style.viewTransitionName = "s1";
    target2.style.viewTransitionName = "s2";
    target3.style.viewTransitionName = "s3";
    requestAnimationFrame(() => requestAnimationFrame(takeScreenshot));
  });
}
onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
</script>