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ee0d05cd79
The current code sets the plugin size to 0,0 and then does some stuff after a setTimeout(0), then sets the size back to 1,1 and expects to be sure to get a new paint event. This is wrong since the timing of plugin geometry changes isn't guaranteed, so we might simply not resize the plugin between setting the size to 0,0 and 1,1. --HG-- extra : rebase_source : d7cee523260b0ba1e44e6d7bf41d1636772722a9
104 lines
2.6 KiB
HTML
104 lines
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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