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<!DOCTYPE html>
<html class="reftest-wait">
<head>
<title>Tests that an element positioned using position-area renders when it's initially hidden, then shown</title>
<link rel="help" href="https://drafts.csswg.org/css-anchor-position-1/#position-area">
<link rel="author" href="mailto:kiet.ho@apple.com">
<link rel="match" href="reference/position-area-visibility-change-ref.html">
<script src="/common/reftest-wait.js"></script>
<script src="/common/rendering-utils.js"></script>
<style>
.containing-block {
position: relative;
width: 150px;
height: 150px;
outline: 2px black solid;
}
.cell {
width: 50px;
height: 50px;
}
#anchor-cell {
position: absolute;
top: 50px;
left: 50px;
anchor-name: --anchor;
background: green;
}
.anchor-positioned-cell {
position: absolute;
position-anchor: --anchor;
}
#target-1 {
position-area: top right;
/* Will be changed to 'block' */
display: none;
}
#target-2 {
position-area: bottom left;
/* Will be changed to 'visible' */
visibility: hidden;
}
#target-3 {
position-area: bottom right;
/* Override default popover style */
margin: 0;
padding: 0;
border: none;
}
.blue-background {
background: blue;
}
.magenta-background {
background: magenta;
}
.cyan-background {
background: cyan;
}
</style>
</head>
<body>
<div class="containing-block">
<div class="cell" id="anchor-cell"></div>
<div class="cell anchor-positioned-cell" id="target-1">
<div class="cell blue-background"></div>
</div>
<div class="cell anchor-positioned-cell" id="target-2">
<div class="cell magenta-background"></div>
</div>
<div class="cell anchor-positioned-cell" id="target-3" popover>
<div class="cell cyan-background"></div>
</div>
</div>
<script>
// All targets should initially be hidden.
waitForAtLeastOneFrame().then(() => {
// Change targets to be visible.
document.getElementById('target-1').style.display = 'block';
document.getElementById('target-2').style.visibility = 'visible';
document.getElementById('target-3').showPopover();
waitForAtLeastOneFrame().then(() => {
// All targets should be visible now.
takeScreenshot();
});
});
</script>
</body>
</html>
|
