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<!DOCTYPE HTML>
<title>nsIDOMWindowUtils::nodesFromRect test - bug 489127</title>
<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="chrome://mochikit/content/tests/SimpleTest/test.css">
<script>
var SimpleTest = window.opener.SimpleTest;
function ok() { window.opener.ok.apply(window.opener, arguments); }
function done() { window.opener.done.apply(window.opener, arguments); }
function info() { window.opener.info.apply(window.opener, arguments); }
let e = {};
let dwu = window.windowUtils;
function check(x, y, top, right, bottom, left, onlyVisible, list, aListIsComplete = false, aOpacityThreshold = 1.0) {
let nodes = dwu.nodesFromRect(x, y, top, right, bottom, left, /* aIgnoreRootScrollFrame = */ true, /* aFlushLayout = */ true, onlyVisible, aOpacityThreshold);
if (!aListIsComplete) {
list.push(e.body);
list.push(e.html);
}
if (nodes.length != list.length) {
ok(false, "Different number of nodes (" + nodes.length + " vs. " + list.length +
") for rect [" + x + "," + y + "], " +
"[" + top + "," + right + "," + bottom + "," + left + "]");
return;
}
for (var i = 0; i < nodes.length; i++) {
if (nodes[i] != list[i]) {
ok(false, `Unexpected node #${i} (${nodes[i].id} vs. ${list[i].id}) ` +
`[${x}, ${y}] [${top}, ${right}, ${bottom}, ${left}]`);
return;
}
}
ok(true, "All correct nodes found for rect " +
"[" + x + "," + y + "], " +
"[" + top + "," + right + "," + bottom + "," + left + "]");
}
function doTest() {
// Set up shortcut access to elements
e.html = document.documentElement;
['h1', 'd1', 'd2', 'p1', 'p2', 'p3', 'p4', 'p5', 'p6', 'span',
'a1', 'a2', 'a3', 'transf', 'iframe1', 'body', 'opacity', 'host'].forEach(function(a) {
e[a] = document.getElementById(a);
});
let shadow = e.host.attachShadow({ mode: "open" });
shadow.innerHTML = `
<style>
#host-inner { height: 100px; width: 100px; background-color: blue }
</style>
<div id="host-inner"></div>
`;
window.scrollTo(0, 0);
// Top, Right, Bottom, Left directions:
check(53, 71, 0, 0, 0, 0, false, []);
check(53, 71, 10, 0, 0, 0, false, [e.h1]);
check(53, 71, 0, 10, 0, 0, false, [e.p3]);
check(53, 71, 0, 0, 10, 0, false, [e.d1]);
check(152, 105, 0, 0, 0, 10, false, [e.d1]);
check(152, 105, 10, 10, 10, 10, false, [e.p4, e.p3, e.d1]);
// e.p1 is invisible and shouldn't appear:
check(153,193,0,0,0,0,false,[e.p5]);
check(153,193,0,20,0,20, false, [e.p5, e.d2]);
// Precise pixel checks:
check(144, 183, 0, 0, 0, 0, false, []);
check(144, 183, 0, 0, 1, 0, false, [e.p5]);
check(144, 183, 0, 0, 0, 1, false, [e.d2]);
check(144, 183, 0, 0, 1, 1, false, [e.p5, e.d2]);
check(77, 240, 0, 0, 0, 0, false, [e.p2]);
check(77, 240, 1, 0, 0, 0, false, [e.p5, e.p2]);
check(77, 240, 0, 0, 1, 0, false, [e.span, e.p2]);
check(77, 240, 1, 0, 1, 0, false, [e.p5, e.span, e.p2]);
// Expanding area checks:
check(39, 212, 0, 0, 0, 0, false, []);
check(39, 212, 10, 0, 0, 0, false, [e.d2]);
check(39, 212, 0, 0, 10, 0, false, [e.p2]);
check(39, 212, 10, 1, 30, 0, false, [e.d2, e.p2]);
check(39, 212, 10, 5, 30, 0, false, [e.span, e.d2, e.p2]);
check(39, 212, 10, 15, 30, 0, false, [e.p5, e.span, e.d2, e.p2]);
// Elements inside iframe shouldn't be returned:
check(15, 410, 0, 30, 50, 0, false, [e.iframe1]);
// Area with links and text nodes:
let [x1, y1] = getCenterFor(e.a1);
let [x2, y2] = getCenterFor(e.a2);
let [x3, y3] = getCenterFor(e.a3);
let [xt, yt] = [(x2 + x1) / 2, y1]; //text node between a1 and a2
check(x1, y1, 0, 0, 0, 0, false, [e.a1.firstChild, e.a1, e.p6]);
check(x1, y1, 0, 0, y3 - y1, 0, false, [e.a3.firstChild, e.a3, e.a1.firstChild, e.a1, e.p6]);
check(x1, y1, 0, xt - x1, 0, 0, false, [e.p6.childNodes[1], e.a1.firstChild, e.a1, e.p6]);
check(x1, y1, 0, x2 - x1, 0, 0, false, [e.a2.firstChild, e.a2, e.p6.childNodes[1], e.a1.firstChild, e.a1, e.p6]);
check(x1, y1, 0, x2 - x1, y3 - y1, 0, false, [e.a3.firstChild, e.a3, e.a2.firstChild, e.a2, e.p6.childNodes[1], e.a1.firstChild, e.a1, e.p6]);
// 2d transform:
check(61, 671, 0, 0, 0, 0, false, []);
check(61, 671, 0, 30, 0, 10, false, [e.transf]);
check(61, 671, 0, 30, 90, 10, false, [e.transf.firstChild, e.transf]);
{
info("opacity: with and without aVisibleOnly = true");
let [x, y] = getCenterFor(e.opacity);
check(x, y, 1, 1, 1, 1, false, [e.opacity]);
check(x, y, 1, 1, 1, 1, true, []);
}
// Check elements behind opaque backgrounds of other elements don't show up
// in the list when aVisibleOnly = true.
{
info("elements behind opaque backgrounds of other elements with aVisibleOnly=true");
let container = document.getElementById('obscured-test');
let fg = document.getElementById('obscured-test-foreground');
let bg = document.getElementById('obscured-test-background');
let [x, y] = getCenterFor(container);
check(x, y, 1, 1, 1, 1, false, [fg, bg, container]);
const kListIsComplete = true;
check(x, y, 1, 1, 1, 1, true, [fg], kListIsComplete);
check(x, y, 1, 1, 1, 1, true, [fg], kListIsComplete, 0.5);
info("Occluded with different opacity thresholds, with background colors and opacity");
fg.style.backgroundColor = "rgba(0, 255, 0, 0.5)";
check(x, y, 1, 1, 1, 1, true, [fg], kListIsComplete, 0.4);
check(x, y, 1, 1, 1, 1, true, [fg, bg], kListIsComplete, 0.6);
fg.style.backgroundColor = "";
fg.style.opacity = "0.5";
check(x, y, 1, 1, 1, 1, true, [fg], kListIsComplete, 0.4);
check(x, y, 1, 1, 1, 1, true, [fg, bg], kListIsComplete, 0.6);
}
{
info("Shadow DOM retargeting");
let [x, y] = getCenterFor(e.host);
let inner = shadow.getElementById("host-inner");
check(x, y, 1, 1, 1, 1, false, [inner, e.host]);
}
done();
}
function getCenterFor(element) {
let rect = element.getBoundingClientRect();
return [(rect.left + rect.right) / 2, (rect.top + rect.bottom) / 2];
}
addLoadEvent(doTest);
</script>
<style>
body {
margin: 8px;
padding: 0;
}
h1, div, p, span, iframe {
display: block;
width: 100px;
height: 30px;
border: 3px solid black;
padding: 10px;
margin: 10px;
}
span {
display: inline-block;
}
#iframe1 {
height: 100px;
margin-top: 60px;
}
#p6 {
height: 50px;
margin-top: 30px;
}
#transf {
margin-top: 60px;
transform: rotate(-45deg);
}
#opacity {
opacity: 0;
margin-top: 60px;
}
#decimal {
position: relative;
left: 0.5px;
top: 50.5px;
}
#obscured-test {
position: relative;
width: 500px;
height: 500px;
}
#obscured-test-background {
position: absolute;
width: 100%;
height: 100%;
z-index: 0;
background: red;
}
#obscured-test-foreground {
position: absolute;
width: 100%;
height: 100%;
z-index: 1;
background: green;
}
</style>
<body id="body">
<h1 id="h1"></h1>
<div id="d1"></div>
<!-- floated element -->
<div id="d2" style="float: left"></div>
<!-- hidden element -->
<p id="p1" style="float: left; visibility: hidden"></p>
<p id="p2" style="clear: left"><span id="span"></span></p>
<!-- absolute position -->
<p id="p3" style="position:absolute; top: 10px; left:50px; height:50px;"></p>
<!-- fixed position -->
<p id="p4" style="position: fixed; top: 30px; left: 150px; height: 50px; background-color: blue;"></p>
<!-- relative position -->
<p id="p5" style="position:relative; top: -100px; left: 30px; margin-bottom: -70px; background-color: green"></p>
<!-- decimal CSS pixels -->
<div id="decimal"></div>
<iframe id="iframe1" src="data:text/html,<div>div</div><p>p</p>"></iframe>
<p id="p6"><a href="#" id="a1">A</a> / <a href="#" id="a2">A</a><br/><a href="#" id="a3">A</a></p>
<div id="transf">text</div>
<div id="opacity">text</div>
<div id="host"></div>
<div id="obscured-test">
<div id="obscured-test-background"></div>
<div id="obscured-test-foreground"></div>
</div>
</body>
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