content/html/document/test/bug199692-popup.html

   1 <!DOCTYPE html>
   2 <html>
   3 <!--
   4 https://bugzilla.mozilla.org/show_bug.cgi?id=199692
   5 -->
   6 <head>
   7   <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
   8   <title>Popup in test for Bug 199692</title>
   9   <style type="text/css">
  10 #content * {
  11   border: 2px solid black;
  12   margin: 2px;
  13   clear: both;
  14   height: 20px;
  15   overflow: hidden;
  16 }
  17
  18 #txt, #static, #fixed, #absolute, #relative, #hidden, #float, #empty, #static, #relative {
  19   width: 200px !important;
  20 }
  21   </style>
  22
  23 </head>
  24 <!--
  25 Elements are styled in such a way that they don't overlap visually
  26 unless they also overlap structurally.
  27
  28 This file is designed to be opened from test_bug199692.html in a popup
  29 window, to guarantee that the window in which document.elementFromPoint runs
  30 is large enough to display all the elements being tested.
  31 -->
  32 <body>
  33 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=199692">Mozilla Bug 199692</a>
  34
  35 <div id="content" style="width: 500px; background-color: #ccc;">
  36
  37 <!-- element containing text -->
  38 <div id="txt" style="height: 30px;">txt</div>
  39
  40 <!-- element not containing text -->
  41 <div id="empty" style="border: 2px solid blue;"></div>
  42
  43 <!-- element with only whitespace -->
  44 <p id="whitespace" style="border: 2px solid magenta;"> </p>
  45
  46 <!-- position: static -->
  47 <span id="static" style="position: static; border-color: green;">static</span>
  48
  49 <!-- floated element -->
  50 <div id="float" style="border-color: red; float: right;">float</div>
  51
  52 <!-- position: fixed -->
  53 <span id="fixed" style="position: fixed; top: 500px; left: 100px; border: 3px solid yellow;">fixed</span>
  54
  55 <!-- position: absolute -->
  56 <span id="absolute" style="position: absolute; top: 550px; left: 150px; border-color: orange;">abs</span>
  57
  58 <!-- position: relative -->
  59 <div id="relative" style="position: relative; top: 200px; border-color: teal;">rel</div>
  60
  61 <!-- visibility: hidden -->
  62 <div id="hidden-wrapper" style="border: 1px dashed teal;">
  63     <div id="hidden" style="opacity: 0.5; background-color: blue; visibility:hidden;">hidden</div>
  64 </div>
  65
  66 <!-- iframe (within iframe) -->
  67 <iframe id="our-iframe" src="bug199692-nested.html" style="height: 100px; overflow: scroll;"></iframe>
  68
  69 <input type="textbox" id="textbox" value="textbox"></input>
  70 </div>
  71
  72 <!-- interaction with scrolling -->
  73 <iframe id="scrolled-iframe"
  74         src="bug199692-scrolled.html#down"
  75         style="position: absolute; top: 345px; left: 325px; height: 200px; width: 200px"></iframe>
  76
  77 <script type="application/javascript">
  78
  79 var SimpleTest = window.opener.SimpleTest;
  80 function ok() { window.opener.ok.apply(window.opener, arguments); }
  81 function is() { window.opener.is.apply(window.opener, arguments); }
  82 function todo() { window.opener.todo.apply(window.opener, arguments); }
  83 function todo_is() { window.opener.todo_is.apply(window.opener, arguments); }
  84 function $(id) { return document.getElementById(id); }
  85
  86 /**
  87  * Like is, but for tests which don't always succeed or always fail on all
  88  * platforms.
  89  */
  90 function random_fail(a, b, m)
  91 {
  92   if (a != b)
  93     todo_is(a, b, m);
  94   else
  95     is(a, b, m);
  96 }
  97
  98 /* Test for Bug 199692 */
  99
 100 function getCoords(elt)
 101 {
 102   var x = 0, y = 0;
 103
 104   do
 105   {
 106     x += elt.offsetLeft;
 107     y += elt.offsetTop;
 108   } while ((elt = elt.offsetParent));
 109
 110   return { x: x, y: y };
 111 }
 112
 113 var elts = ["txt", "empty", "whitespace", "static", "fixed", "absolute",
 114             "relative", "float", "textbox"];
 115
 116 function testPoints()
 117 {
 118   ok('elementFromPoint' in document, "document.elementFromPoint must exist");
 119   ok(typeof document.elementFromPoint === "function", "must be a function");
 120
 121   var doc = document;
 122   doc.pt = doc.elementFromPoint; // for shorter lines
 123   is(doc.pt(-1, 0), null, "Negative coordinates (-1, 0) should return null");
 124   is(doc.pt(0, -1), null, "Negative coordinates (0, -1) should return null");
 125   is(doc.pt(-1, -1), null, "Negative coordinates (-1, -1) should return null");
 126
 127   var pos;
 128   for (var i = 0; i < elts.length; i++)
 129   {
 130     var id = elts[i];
 131     var elt = $(id);
 132
 133     // The upper left corner of an element (with a moderate offset) will
 134     // usually contain text, and the lower right corner usually won't.
 135     var pos = getCoords(elt);
 136     var x = pos.x, y = pos.y;
 137     var w = elt.offsetWidth, h = elt.offsetHeight;
 138
 139     var d = 5;
 140     is(doc.pt(x + d, y + d), elt,
 141        "(" + (x + d) + "," + (y + d) + ") IDs should match (upper left " +
 142        "corner of " + id + ")");
 143     is(doc.pt(x + w - d, y + h - d), elt,
 144        "(" + (x + w - d) + "," + (y + h - d) + ") IDs should match (lower " +
 145        "right corner of " + id + ")");
 146   }
 147
 148   // content
 149   var c = $("content");
 150   pos = getCoords(c);
 151   x = pos.x + c.offsetWidth / 2;
 152   y = pos.y;
 153
 154   // This fails on some platforms but not others for unknown reasons
 155   random_fail(doc.pt(x, y), c, "Point to right of #txt should be #content");
 156   is(doc.pt(x, y + 1), c, "Point to right of #txt should be #content");
 157   random_fail(doc.pt(x + 1, y), c, "Point to right of #txt should be #content");
 158   is(doc.pt(x + 1, y + 1), c, "Point to right of #txt should be #content");
 159
 160   // hidden
 161   c = $("hidden");
 162   pos = getCoords(c);
 163   x = pos.x, y = pos.y;
 164   is(doc.pt(x, y), $("hidden-wrapper"),
 165      "Hit testing should bypass hidden elements.");
 166
 167   // iframe nested
 168   var iframe = $("our-iframe");
 169   pos = getCoords(iframe);
 170   x = pos.x, y = pos.y;
 171   is(doc.pt(x + 20, y + 20), $("our-iframe"),
 172      "Element from nested iframe returned is from calling document");
 173   // iframe, doubly nested
 174   is(doc.pt(x + 60, y + 60), $("our-iframe"),
 175      "Element from doubly nested iframe returned is from calling document");
 176
 177   // scrolled iframe tests
 178   $("scrolled-iframe").contentWindow.runTests();
 179
 180   SimpleTest.finish();
 181   window.close();
 182 }
 183
 184 window.onload = testPoints;
 185 </script>
 186 </body>
 187 </html>
 188