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<!DOCTYPE HTML>
<html>
<head>
<title>Hit-testing on a scrollframe forced to be inactive by being inside a filter</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>
<meta name="viewport" content="width=device-width"/>
<style>
#withfilter {
filter: url(#menushadow);
}
#scroller {
width: 300px;
height: 500px;
overflow: scroll;
}
.spacer {
height: 1000px;
background-image: linear-gradient(red, blue);
}
</style>
</head>
<body>
<div id="withfilter">
<div id="scroller">
<div class="spacer"></div>
</div>
</div>
<!-- the SVG below copied directly from the Gecko Profiler code that
demonstrated the original bug. It basically generates a bit of a "drop
shadow" effect on the div it's applied to. Original SVG can be found at
https://github.com/firefox-devtools/profiler/blame/624f71bce5469cf4f8b2be720e929ba69fa6bfdc/res/img/svg/shadowfilter.svg -->
<svg xmlns="http://www.w3.org/2000/svg">
<defs>
<filter id="menushadow" color-interpolation-filters="sRGB" x="-10" y="-10" width="30" height="30">
<feComponentTransfer in="SourceAlpha">
<feFuncA type="linear" slope="0.3"/>
</feComponentTransfer>
<feGaussianBlur stdDeviation="5"/>
<feOffset dy="10" result="shadow"/>
<feComponentTransfer in="SourceAlpha">
<feFuncA type="linear" slope="0.1"/>
</feComponentTransfer>
<feMorphology operator="dilate" radius="0.5" result="rim"/>
<feMerge><feMergeNode in="shadow"/><feMergeNode in="rim"/></feMerge>
<feComposite operator="arithmetic" in2="SourceAlpha" k2="1" k3="-0.1"/>
<feMerge><feMergeNode/><feMergeNode in="SourceGraphic"/></feMerge>
</filter>
</defs>
</svg>
</body>
<script type="application/javascript">
async function test() {
var config = getHitTestConfig();
var utils = config.utils;
// layerize the scrollable frame. It's inside the filter so this
// shouldn't actually change the fact that it will still be main-thread
// scrolled.
var scroller = document.querySelector("#scroller");
utils.setDisplayPortForElement(0, 0, 300, 500, scroller, 1);
await promiseApzFlushedRepaints();
var expectedHitFlags =
APZHitResultFlags.VISIBLE | APZHitResultFlags.INACTIVE_SCROLLFRAME;
checkHitResult(hitTest(centerOf(scroller)),
expectedHitFlags,
utils.getViewId(scroller),
utils.getLayersId(),
"scrollable content inside a filter");
}
waitUntilApzStable()
.then(test)
.then(subtestDone, subtestFailed);
</script>
</html>
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