<!DOCTYPE html> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=199692 --> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Popup in test for Bug 199692</title> <style type="text/css"> #content * { border: 2px solid black; margin: 2px; clear: both; height: 20px; overflow: hidden; } #txt, #static, #fixed, #absolute, #relative, #hidden, #float, #empty, #static, #relative { width: 200px !important; } </style> </head> <!-- Elements are styled in such a way that they don't overlap visually unless they also overlap structurally. This file is designed to be opened from test_bug199692.html in a popup window, to guarantee that the window in which document.elementFromPoint runs is large enough to display all the elements being tested. --> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=199692">Mozilla Bug 199692</a> <div id="content" style="width: 500px; background-color: #ccc;"> <!-- element containing text --> <div id="txt" style="height: 30px;">txt</div> <!-- element not containing text --> <div id="empty" style="border: 2px solid blue;"></div> <!-- element with only whitespace --> <p id="whitespace" style="border: 2px solid magenta;"> </p> <!-- position: static --> <span id="static" style="position: static; border-color: green;">static</span> <!-- floated element --> <div id="float" style="border-color: red; float: right;">float</div> <!-- position: fixed --> <span id="fixed" style="position: fixed; top: 500px; left: 100px; border: 3px solid yellow;">fixed</span> <!-- position: absolute --> <span id="absolute" style="position: absolute; top: 550px; left: 150px; border-color: orange;">abs</span> <!-- position: relative --> <div id="relative" style="position: relative; top: 200px; border-color: teal;">rel</div> <!-- visibility: hidden --> <div id="hidden-wrapper" style="border: 1px dashed teal;"> <div id="hidden" style="opacity: 0.5; background-color: blue; visibility:hidden;">hidden</div> </div> <!-- iframe (within iframe) --> <iframe id="our-iframe" src="bug199692-nested.html" style="height: 100px; overflow: scroll;"></iframe> <input type="textbox" id="textbox" value="textbox"></input> </div> <!-- interaction with scrolling --> <iframe id="scrolled-iframe" src="bug199692-scrolled.html#down" style="position: absolute; top: 345px; left: 325px; height: 200px; width: 200px"></iframe> <script type="application/javascript"> var SimpleTest = window.opener.SimpleTest; function ok() { window.opener.ok.apply(window.opener, arguments); } function is() { window.opener.is.apply(window.opener, arguments); } function todo() { window.opener.todo.apply(window.opener, arguments); } function todo_is() { window.opener.todo_is.apply(window.opener, arguments); } function $(id) { return document.getElementById(id); } /** * Like is, but for tests which don't always succeed or always fail on all * platforms. */ function random_fail(a, b, m) { if (a != b) todo_is(a, b, m); else is(a, b, m); } /* Test for Bug 199692 */ function getCoords(elt) { var x = 0, y = 0; do { x += elt.offsetLeft; y += elt.offsetTop; } while ((elt = elt.offsetParent)); return { x: x, y: y }; } var elts = ["txt", "empty", "whitespace", "static", "fixed", "absolute", "relative", "float", "textbox"]; function testPoints() { ok('elementFromPoint' in document, "document.elementFromPoint must exist"); ok(typeof document.elementFromPoint === "function", "must be a function"); var doc = document; doc.pt = doc.elementFromPoint; // for shorter lines is(doc.pt(-1, 0), null, "Negative coordinates (-1, 0) should return null"); is(doc.pt(0, -1), null, "Negative coordinates (0, -1) should return null"); is(doc.pt(-1, -1), null, "Negative coordinates (-1, -1) should return null"); var pos; for (var i = 0; i < elts.length; i++) { var id = elts[i]; var elt = $(id); // The upper left corner of an element (with a moderate offset) will // usually contain text, and the lower right corner usually won't. var pos = getCoords(elt); var x = pos.x, y = pos.y; var w = elt.offsetWidth, h = elt.offsetHeight; var d = 5; is(doc.pt(x + d, y + d), elt, "(" + (x + d) + "," + (y + d) + ") IDs should match (upper left " + "corner of " + id + ")"); is(doc.pt(x + w - d, y + h - d), elt, "(" + (x + w - d) + "," + (y + h - d) + ") IDs should match (lower " + "right corner of " + id + ")"); } // content var c = $("content"); pos = getCoords(c); x = pos.x + c.offsetWidth / 2; y = pos.y; // This fails on some platforms but not others for unknown reasons random_fail(doc.pt(x, y), c, "Point to right of #txt should be #content"); is(doc.pt(x, y + 1), c, "Point to right of #txt should be #content"); random_fail(doc.pt(x + 1, y), c, "Point to right of #txt should be #content"); is(doc.pt(x + 1, y + 1), c, "Point to right of #txt should be #content"); // hidden c = $("hidden"); pos = getCoords(c); x = pos.x, y = pos.y; is(doc.pt(x, y), $("hidden-wrapper"), "Hit testing should bypass hidden elements."); // iframe nested var iframe = $("our-iframe"); pos = getCoords(iframe); x = pos.x, y = pos.y; is(doc.pt(x + 20, y + 20), $("our-iframe"), "Element from nested iframe returned is from calling document"); // iframe, doubly nested is(doc.pt(x + 60, y + 60), $("our-iframe"), "Element from doubly nested iframe returned is from calling document"); // scrolled iframe tests $("scrolled-iframe").contentWindow.runTests(); SimpleTest.finish(); window.close(); } window.onload = testPoints; </script> </body> </html>