Ziele Untersuchung
mit Columbo Integrität von
Datenbanken Interaktion und
Portierbarkeit Ergonomie der
Schnittstellen

Angebot Produkte Projekt Beratung

Mittel Analytik Modellierung Sprachen Algebra Logik Hardware Denken Kreativität

Zusammenhänge Gesellschaft Wirtschaft Branche Firma


products/sources/formale Sprachen/C/Firefox/dom/tests/mochitest/general/ (Browser von der Mozilla Stiftung Version 136.0.1^©) Datei vom 10.2.2025 mit Größe 2 kB

Quelle test_innerScreen.xhtml Sprache: unbekannt

<?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="Test mozInnerScreenX/Y Properties"
        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>

  
  <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>

  
  <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 devPxPerCSSPx = window.devicePixelRatio;

  is(window.devicePixelRatio, devPxPerCSSPx, "window.devicePixelRatio");

  var rootElement = document.documentElement;
  isRounded(window.mozInnerScreenX*devPxPerCSSPx, rootElement.screenX,
            "window screen X");
  isRounded(window.mozInnerScreenY*devPxPerCSSPx, rootElement.screenY,
            "window screen Y");

  var f = document.getElementById("f");
  var fBounds = f.getBoundingClientRect();

  var fbc = f.contentWindow.docShell.browsingContext;

  isRounded(f.contentWindow.mozInnerScreenX,
            window.mozInnerScreenX + fBounds.left,
            "frame screen X");
  isRounded(f.contentWindow.mozInnerScreenY,
            window.mozInnerScreenY + fBounds.top,
            "frame screen Y");

  fbc.fullZoom *= 2;
  is(f.contentWindow.devicePixelRatio, 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");
  fbc.fullZoom = 1.0;

  SimpleTest.finish();
}

addLoadEvent(doTests);
SimpleTest.waitForExplicitFinish();

]]>
</script>

</window>