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<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>Hittest position:fixed zoomed scroll</title>
<script type="application/javascript" src="apz_test_utils.js"></script>
<script type="application/javascript" src="apz_test_native_event_utils.js"></script>
<script src="/tests/SimpleTest/paint_listener.js"></script>
<style>
html {
position: fixed;
}
body {
margin: 0;
}
#fixed {
position: fixed;
top: 100px;
left: 100px;
}
</style>
</head>
<body>
<div id="fixed"><input type="button" value="Button" /></div>
<script>
async function test() {
// Create an offset between the visual and layout viewports.
// The offset is 50 CSS pixels = 100 screen pixels at 2x zoom
// in either direction.
let transformEndPromise = promiseTransformEnd();
await synthesizeNativeTouchDrag(document.body, 10, 10, -50, -50);
await transformEndPromise;
await promiseApzFlushedRepaints();
let clickPromise = new Promise(resolve => {
window.addEventListener("click", resolve);
});
let input = document.querySelector("input");
// Provide the input in window-relative coordinates,
// otherwise coordinatesRelativeToScreen() will run into the
// same bug as the hit-test, and the two bugs cancel out.
await synthesizeNativeMouseEventWithAPZ({
type: "click",
target: window,
// The visual viewport is already offset (50, 50) CSS pixels
// into the layout viewport. An additional (50, 50) CSS pixels
// gives us (100, 100), the offset of #fixed, in total.
offsetX: 55,
offsetY: 55
});
let e = await clickPromise;
is(e.target, input, "got click");
}
SpecialPowers.getDOMWindowUtils(window).setResolutionAndScaleTo(2.0);
waitUntilApzStable().then(test).then(subtestDone, subtestFailed);
</script>
</body>
</html>
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