зеркало из https://github.com/mozilla/gecko-dev.git
104 строки
2.6 KiB
HTML
104 строки
2.6 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test for plugin child widgets not being invalidated by scrolling</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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</head>
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<body onload="initialize()">
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<p id="display">
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<iframe id="i" src="plugin_scroll_invalidation.html"
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width="50" height="50" scrolling="no"></iframe>
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</p>
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<div id="content" style="display: none">
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</div>
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<pre id="test">
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</pre>
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<script type="application/javascript">
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SimpleTest.waitForExplicitFinish();
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var scrolling;
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var scrolling_plugins = [];
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var paint_waiter;
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var last_paint_counts;
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function initialize() {
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scrolling = document.getElementById("i").contentWindow;
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scrolling_plugins = scrolling.document.querySelectorAll("embed.scrolling");
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paint_waiter = scrolling.document.getElementById("paint-waiter");
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scrolling.scrollTo(50, 45);
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is(paint_waiter.getPaintCount(), 0, "zero-sized plugin not painted");
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waitForPaint(scrollAround);
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}
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function scrollAround() {
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var paints = getPaintCounts();
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for (var i = 0; i < paints.length; ++i) {
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isnot(paints[i], 0, "embed " + scrolling_plugins[i].id + " is painted");
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}
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last_paint_counts = paints;
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scrolling.scrollBy(-5, 5);
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scrolling.scrollBy(5, 5);
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scrolling.scrollBy(5, -5);
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scrolling.scrollBy(-5, -5);
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scrolling.scrollTo(45, 45);
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scrolling.scrollBy(10, 0);
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scrolling.scrollBy(0, 10);
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scrolling.scrollBy(-10, 0);
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scrolling.scrollBy(0, -10);
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waitForPaint(done);
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}
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function done() {
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var paints = getPaintCounts();
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for (var i = 0; i < paints.length; ++i) {
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is(paints[i], last_paint_counts[i], "embed " + scrolling_plugins[i].id + " is not painted on scroll");
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}
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SimpleTest.finish();
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}
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// Waits for the paint_waiter plugin to be repainted and then
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// calls 'func' to continue.
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function waitForPaint(func) {
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paint_waiter.last_paint_count = paint_waiter.getPaintCount();
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paint_waiter.style.left = scrolling.scrollX + "px";
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paint_waiter.style.top = scrolling.scrollY + "px";
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// Fiddle with the style in a way that should force some repainting
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paint_waiter.style.width =
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(paint_waiter.getBoundingClientRect().width + 1) + "px";
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paint_waiter.style.height = "1px";
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function waitForPaintHelper() {
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if (paint_waiter.getPaintCount() != paint_waiter.last_paint_count) {
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setTimeout(func, 0);
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return;
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}
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setTimeout(waitForPaintHelper, 0);
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}
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waitForPaintHelper();
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}
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function getPaintCounts() {
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var result = [];
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for (var i = 0; i < scrolling_plugins.length; ++i) {
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result[i] = scrolling_plugins[i].getPaintCount();
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}
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return result;
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}
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</script>
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</body>
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</html>
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