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105 lines
No EOL
2.9 KiB
HTML
105 lines
No EOL
2.9 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html lang="en" xmlns="http://www.w3.org/1999/xhtml"><head>
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<meta charset="UTF-8" />
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<title>CSS Regions: document.elementFromPoint() for elements in a region's scroll overflow</title>
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<link href="mailto:mibalan@adobe.com" rel="author" title="Mihai Balan" />
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<link href="http://www.w3.org/TR/css3-regions/#the-flow-into-property" rel="help" />
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<link href="http://www.w3.org/TR/css3-regions/#flow-from" rel="help" />
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<meta content="For regions that have scroll overflow, scrolling an element flowed in them into view and then calling document.elementFromPoint() on the visible location of the element should return the element" name="assert" />
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<meta content="dom interact" name="flags" />
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<style>
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p {
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margin: 0;
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}
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input {
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width: 100px;
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}
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#content {
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font-family: monospace;
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font-size: 20px;
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line-height: 1em;
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flow-into: f;
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}
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.spacer {
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width: 100%;
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height: 80px;
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display: block;
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}
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.highlite {
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color: deepskyblue;
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display: inline-block;
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height: 50px;
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xbackground-color: yellow;
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}
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#parent {
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height: 200px;
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}
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#region {
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border: 2px solid black;
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background-color: lightgray;
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width: 100px;
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height: 100px;
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flow-from: f;
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overflow-y: scroll;
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}
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#region p {
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background-color: red;
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width: 100%;
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height: 50%;
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}
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#result {
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color: green;
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font-weight: bold;
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}
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</style>
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</head>
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<body>
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This tests that calling <code>document.elementFromPoint()</code> on an element displayed in a region's
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visible overflow will actually return that element (and not the element "underneath" it).<br />
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You should see "PASS" being displayed below.
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<div id="content"><span class="spacer"></span>This text has <span class="highlite">overflow</span></div>
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<div id="result"> </div>
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<div id="parent">
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<div id="region">
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<p></p>
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</div>
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</div>
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<script type="text/javascript">
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if (window.testRunner) {
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testRunner.waitUntilDone();
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testRunner.dumpAsText();
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}
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function runScript() {
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var region, regionBox, target, targetBox, fromPoint;
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region = document.querySelector("#region");
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region.scrollTop = 200;
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regionBox = region.getBoundingClientRect();
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document.body.offsetTop;
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target = document.querySelector(".highlite");
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targetBox = target.getBoundingClientRect();
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fromPoint = document.elementFromPoint(targetBox.left + targetBox.width/2, targetBox.top + targetBox.height/2);
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// Check we get the same element via DOM selection and via elementFromPoint() AND
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// the element we get is in the visible part of the region
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if ((fromPoint == target) && (targetBox.bottom &lt;= regionBox.bottom)) {
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result.innerHTML = "PASS";
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} else {
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result.innerHTML = "FAIL";
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result.style.color = "red";
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}
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if (window.testRunner) {
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testRunner.notifyDone();
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}
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}
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document.addEventListener("DOMContentLoaded", runScript);
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</script>
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</body></html> |