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<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css" type="text/css"?>
<window title="Popups in Scaled Content"
onload="setTimeout(runTests, 0);"
xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<script src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>
<!-- This test checks that the position is correct in two cases:
- a popup anchored at an element in a scaled document
- a popup opened at a screen coordinate in a scaled window
-->
<iframe id="frame" width="60" height="140"
src="data:text/html,<html><body><input size='4' id='one'><input size='4' id='two'></body></html>"/>
<menupopup id="popup" onpopupshown="shown()" onpopuphidden="nextTest()">
<menuitem label="One"/>
</menupopup>
<script class="testbody" type="application/javascript">
<![CDATA[
var screenTest = false;
var screenx = -1, screeny = -1;
SimpleTest.waitForExplicitFinish();
function runTests()
{
setScale($("frame").contentWindow, 2);
var anchor = $("frame").contentDocument.getElementById("two");
anchor.getBoundingClientRect(); // flush to update display after scale change
$("popup").openPopup(anchor, "after_start");
}
function setScale(win, scale)
{
SpecialPowers.setFullZoom(win, scale);
}
function shown()
{
var popup = $("popup");
var marginLeft = parseFloat(getComputedStyle(popup).marginLeft);
var marginTop = parseFloat(getComputedStyle(popup).marginTop);
if (screenTest) {
is(popup.screenX - marginLeft, screenx, "screen left position");
is(popup.screenY - marginTop, screeny, "screen top position");
} else {
var anchor = $("frame").contentDocument.getElementById("two");
is(Math.round(anchor.getBoundingClientRect().left * 2),
Math.round(popup.getBoundingClientRect().left - marginLeft), "anchored left position");
is(Math.round(anchor.getBoundingClientRect().bottom * 2),
Math.round(popup.getBoundingClientRect().top - marginTop), "anchored top position");
}
popup.hidePopup();
}
function nextTest()
{
if (screenTest) {
setScale(window, 1);
SimpleTest.finish();
}
else {
screenTest = true;
var rootElement = document.documentElement;
setScale(window, 2);
// - the iframe will be at 4×, but out here css pixels are only 2× device pixels
requestAnimationFrame(() => requestAnimationFrame(() => {
screenx = rootElement.screenX + 20;
screeny = rootElement.screenY + 20;
$("popup").openPopupAtScreen(screenx, screeny);
}));
}
}
]]>
</script>
<body xmlns="http://www.w3.org/1999/xhtml">
<p id="display">
</p>
<div id="content" style="display: none">
</div>
<pre id="test">
</pre>
</body>
</window>
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