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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"?>
<!--
Tests for mozInnerScreenX/Y properties
-->
<window title="Test mozInnerScreenX/Y Properties"
xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
<script type="text/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
<!-- test resuls are displayed in the html:body -->
<body xmlns="http://www.w3.org/1999/xhtml"
style="height: 400px; position:relative; overflow: auto;">
<iframe id="f"
style="position:absolute; left:100px;
top:200px; width:200px; height:200px; border:none;"></iframe>
</body>
<!-- test code goes here -->
<script type="application/javascript"><![CDATA[
function isRounded(a, b, msg) {
ok(Math.round(a) == Math.round(b),
msg + " (rounded), got " + a + ", expected " + b);
}
function doTests()
{
var readable = false;
try
{
mozScreenPixelsPerCSSPixel;
readable = true;
}
catch(ex) { }
ok(!readable, "window pixels per css pixel shouldn't be readable to content");
var domWindowUtils = window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
.getInterface(Components.interfaces.nsIDOMWindowUtils);
var devPxPerCSSPx = domWindowUtils.screenPixelsPerCSSPixel;
is(window.devicePixelRatio, devPxPerCSSPx, "window.devicePixelRatio");
var windowBO = document.documentElement.boxObject;
isRounded(window.mozInnerScreenX*devPxPerCSSPx, windowBO.screenX,
"window screen X");
isRounded(window.mozInnerScreenY*devPxPerCSSPx, windowBO.screenY,
"window screen Y");
var f = document.getElementById("f");
var fBounds = f.getBoundingClientRect();
const CI = Components.interfaces;
var fshell = f.contentWindow.QueryInterface(CI.nsIInterfaceRequestor).getInterface(CI.nsIWebNavigation).QueryInterface(CI.nsIDocShell);
var fmudv = fshell.contentViewer;
isRounded(f.contentWindow.mozInnerScreenX,
window.mozInnerScreenX + fBounds.left,
"frame screen X");
isRounded(f.contentWindow.mozInnerScreenY,
window.mozInnerScreenY + fBounds.top,
"frame screen Y");
fmudv.fullZoom *= 2;
var frameDomWindowUtils = f.contentWindow.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
.getInterface(Components.interfaces.nsIDOMWindowUtils);
is(frameDomWindowUtils.screenPixelsPerCSSPixel, 2*devPxPerCSSPx,
"frame screen pixels per CSS pixel");
is(f.contentWindow.devicePixelRatio, 2*devPxPerCSSPx, "frame devicePixelRatio");
isRounded(f.contentWindow.mozInnerScreenX*2,
window.mozInnerScreenX + fBounds.left,
"zoomed frame screen X");
isRounded(f.contentWindow.mozInnerScreenY*2,
window.mozInnerScreenY + fBounds.top,
"zoomed frame screen Y");
fmudv.fullZoom = 1.0;
SimpleTest.finish();
}
addLoadEvent(doTests);
SimpleTest.waitForExplicitFinish();
]]>
</script>
</window>
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