dom: getElementsFromPoint does the hit testing on viewport coordinates.

We got this wrong, I was just writing a test for #12777 when I found this.
This commit is contained in:
Emilio Cobos Álvarez 2016-08-10 19:33:40 -07:00
parent 3c7de6b821
commit f9c0f2df13
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4 changed files with 56 additions and 6 deletions

View file

@ -6624,6 +6624,12 @@
"url": "/_mozilla/mozilla/global.html"
}
],
"mozilla/hit_test_pos_fixed.html": [
{
"path": "mozilla/hit_test_pos_fixed.html",
"url": "/_mozilla/mozilla/hit_test_pos_fixed.html"
}
],
"mozilla/htmlcollection.html": [
{
"path": "mozilla/htmlcollection.html",

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@ -0,0 +1,42 @@
<!doctype html>
<meta charset="utf-8">
<title>Hit-test of an element with position: fixed should discard scroll offset</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
html, body { margin: 0; padding: 0; }
.hitme {
position: fixed;
left: 0;
top: 0;
width: 100px;
height: 100px;
background: blue;
}
.hitme:hover { background: green }
.container {
width: 100%;
background: red;
/* Ensure we can scroll */
height: 2000px;
/* FIXME: Uncomment when servo supports this properly
height: calc(100vh + 200px); */
}
</style>
<div class="container">
<div class="hitme"></div>
</div>
<script>
async_test(function(t) {
window.onload = t.step_func(function() {
window.scrollTo(0, 200);
var elements = document.elementsFromPoint(10, 10);
assert_true(elements.length > 0, "Should be elements");
assert_true(elements[0].className == "hitme",
"should be able to hit the fixed-positioned element");
t.done();
});
});
</script>