зеркало из https://github.com/mozilla/gecko-dev.git
66 строки
2.2 KiB
HTML
66 строки
2.2 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>nsIDOMWindowUtils::getScrollbarSize test</title>
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<script 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 id="body">
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<script type="application/javascript">
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function doTests() {
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let iframe = document.getElementById("iframe");
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let cwindow = iframe.contentWindow;
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let utils = SpecialPowers.getDOMWindowUtils(cwindow);
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let doc = cwindow.document;
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function haveNonFloatingScrollbars() {
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return doc.getElementById("float").offsetWidth > 200;
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}
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checkScrollbarSizeFlush(utils, (w, h) => w == 0 && h == 0,
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"[overflow=hidden] corrrect scrollbar size after flushing");
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// Some platforms (esp. mobile) may have floating scrollbars that don't
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// affect layout. Thus getScrollbarSize() would always return zeros.
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if (haveNonFloatingScrollbars()) {
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let body = doc.querySelector("body");
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body.style.overflowY = "scroll";
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checkScrollbarSize(utils, (w, h) => w == 0 && h == 0,
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"[overflowY=scroll] correct scrollbar size w/o flushing");
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checkScrollbarSizeFlush(utils, (w, h) => w > 0 && h == 0,
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"[overflowY=scroll] correct scrollbar size after flushing");
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body.style.overflowX = "scroll";
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checkScrollbarSize(utils, (w, h) => w > 0 && h == 0,
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"[overflowXY=scroll] correct scrollbar size w/o flushing");
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checkScrollbarSizeFlush(utils, (w, h) => w > 0 && h > 0,
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"[overflowXY=scroll] correct scrollbar size after flushing");
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}
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SimpleTest.finish();
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}
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function checkScrollbarSize(utils, check, msg, flush = false) {
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let width = {}, height = {};
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utils.getScrollbarSize(flush, width, height);
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ok(check(width.value, height.value), msg);
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}
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function checkScrollbarSizeFlush(utils, check, msg) {
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checkScrollbarSize(utils, check, msg, true);
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}
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SimpleTest.waitForExplicitFinish();
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</script>
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<iframe src="http://mochi.test:8888/tests/dom/tests/mochitest/general/file_domWindowUtils_scrollbarSize.html"
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id="iframe" onload="doTests();">
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</iframe>
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</body>
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</html>
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