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