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<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<head>
<title>Test dragging still occurs when pointerdown adds display:none to the dragged element</title>
<style>
.dragging {
display: none;
}
#dragBox {
width: 200px;
height: 200px;
background-color: #4CAF50;
color: white;
border-radius: 8px;
cursor: grab;
user-select: none;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
}
.inner {
background: rgba(255, 255, 255, 0.2);
padding: 10px;
margin-top: 10px;
border-radius: 4px;
}
</style>
</head>
<body>
<div id="dragBox" draggable="true">
Drag me
<div class="inner" id="innerButton">Click or press here</div>
</div>
<script>
promise_test(function() {
return new Promise(r => {
innerButton.addEventListener("pointerdown", function() {
innerButton.classList.add("dragging");
});
dragBox.addEventListener("dragstart", function(e) {
assert_equals(e.target, dragBox);
r();
});
const buttonRect = innerButton.getBoundingClientRect();
new test_driver.Actions()
.pointerMove(0, 0, {origin: innerButton})
.pointerDown()
.pointerMove(buttonRect.left + 10, buttonRect.top + 10)
.pointerUp()
.send();
});
}, "dragstart should still fire when the dragged element gets display:none in its pointerdown");
</script>
</body>
</html>
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