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<!DOCTYPE HTML>
<html>
<head>
<title>A more involved hit testing test that involves css and async transforms</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>
body, html {
margin: 0;
padding: 0;
width: 100%;
height: 100%;
}
.scrollable-content {
width: 200%;
height: 200%;
}
#layer1 {
position: absolute;
top: 20px;
left: 20px;
width: 100px;
height: 100px;
background: red;
overflow: auto;
}
#layer2 {
position: absolute;
top: 140px;
left: 40px;
width: 100px;
height: 100px;
background: green;
transform: scale(2.0, 1.0);
transform-origin: 0 0;
}
#layer3 {
position: absolute;
top: 0px;
left: 0px;
width: 100px;
height: 100px;
background: yellow;
overflow: auto;
}
</style>
</head>
<body>
<div id="layer1">
<div class="scrollable-content"></div>
</div>
<div id="layer2">
<div id="layer3">
<div class="scrollable-content"></div>
</div>
</div>
<div class="scrollable-content"></div>
</body>
<script type="application/javascript">
async function test() {
var config = getHitTestConfig();
var utils = config.utils;
let subframeHitInfo = APZHitResultFlags.VISIBLE;
if (!config.activateAllScrollFrames) {
subframeHitInfo |= APZHitResultFlags.INACTIVE_SCROLLFRAME;
}
// Hit an area that's clearly on the root and not any of the child layers.
checkHitResult(hitTest({x: 150, y: 70}),
APZHitResultFlags.VISIBLE,
utils.getViewId(document.scrollingElement),
utils.getLayersId(),
"root scroller");
// Hit an area on the root that would be on layer3 if layer2 weren't transformed.
checkHitResult(hitTest({x: 30, y: 190}),
APZHitResultFlags.VISIBLE,
utils.getViewId(document.scrollingElement),
utils.getLayersId(),
"root scroller (area revealed by transform)");
// Hit an area on layer1.
checkHitResult(hitTest({x: 70, y: 70}),
subframeHitInfo,
(config.activateAllScrollFrames ? utils.getViewId(layer1)
: utils.getViewId(document.scrollingElement)),
utils.getLayersId(),
"layer1");
// Hit an area on layer3.
checkHitResult(hitTest({x: 60, y: 190}),
subframeHitInfo,
(config.activateAllScrollFrames ? utils.getViewId(layer3)
: utils.getViewId(document.scrollingElement)),
utils.getLayersId(),
"layer3");
// Hit an area on layer3 that would be on the root if layer2 weren't transformed.
checkHitResult(hitTest({x: 150, y: 190}),
subframeHitInfo,
(config.activateAllScrollFrames ? utils.getViewId(layer3)
: utils.getViewId(document.scrollingElement)),
utils.getLayersId(),
"layer3");
// Scroll the root upwards by 120 pixels. This scrolls layer1 out of view.
utils.setAsyncScrollOffset(document.scrollingElement, 0, 120);
// Give WebRender a chance to sample the test async scroll offset.
utils.advanceTimeAndRefresh(16);
utils.restoreNormalRefresh();
// Hit where layers3 used to be. It should now hit the root.
checkHitResult(hitTest({x: 60, y: 190}),
APZHitResultFlags.VISIBLE,
utils.getViewId(document.scrollingElement),
utils.getLayersId(),
"root scroller (after async scroll)");
// Hit where layers1 used to be and where layers3 should now be.
checkHitResult(hitTest({x: 70, y: 70}),
subframeHitInfo,
(config.activateAllScrollFrames ? utils.getViewId(layer3)
: utils.getViewId(document.scrollingElement)),
utils.getLayersId(),
"layer3 (after async scroll)");
// Scroll the root upwards by an additional 120 pixels.
utils.setAsyncScrollOffset(document.scrollingElement, 0, 240);
// Give WebRender a chance to sample the test async scroll offset.
utils.advanceTimeAndRefresh(16);
utils.restoreNormalRefresh();
// Hit where layers3 used to be. It should now hit the root.
checkHitResult(hitTest({x: 60, y: 190}),
APZHitResultFlags.VISIBLE,
utils.getViewId(document.scrollingElement),
utils.getLayersId(),
"root scroller (after second async scroll)");
// Hit where layers2 used to be. It should now hit the root.
checkHitResult(hitTest({x: 70, y: 70}),
APZHitResultFlags.VISIBLE,
utils.getViewId(document.scrollingElement),
utils.getLayersId(),
"root scroller (after second async scroll)");
}
waitUntilApzStable()
.then(test)
.then(subtestDone, subtestFailed);
</script>
</html>
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