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108 lines
3.5 KiB
HTML
108 lines
3.5 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=607464
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-->
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<head>
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<title>Test for Bug 607464</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="text/javascript" src="/tests/SimpleTest/EventUtils.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>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=607464">Mozilla Bug 607464</a>
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<p id="display"></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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<script type="application/javascript;version=1.7">
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/**
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* Test for Bug 607464:
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* Pixel scrolling shouldn't scroll smoothly, even if general.smoothScroll is on.
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**/
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function scrollDown15PxWithPixelScrolling(scrollbox) {
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var win = scrollbox.ownerDocument.defaultView;
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let event = {
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'type': "DOMMouseScroll",
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'axis': "vertical",
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'delta': 1,
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'hasPixels': true,
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};
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// first a line scroll
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synthesizeMouseScroll(scrollbox, 10, 10, event, win);
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// then 5 pixel scrolls with 3px each
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event.delta *= 3;
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event.type = "MozMousePixelScroll";
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event.hasPixels = false;
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for (let i = 0; i < 5; ++i) {
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synthesizeMouseScroll(scrollbox, 10, 10, event, win);
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}
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// Note: the line scroll shouldn't have any effect because it has
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// hasPixels = true set on it. We send it to emulate normal
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// behavior.
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}
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function runTest() {
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var win = open('data:text/html,<!DOCTYPE html>\n' +
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'<div id="scrollbox" style="height: 100px; overflow: auto;">' +
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' <div style="height: 1000px;"></div>' +
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'</div>', '_blank', 'width=300,height=300');
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SimpleTest.waitForFocus(function () {
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var scrollbox = win.document.getElementById("scrollbox");
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let scrollTopBefore = scrollbox.scrollTop;
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scrollDown15PxWithPixelScrolling(scrollbox);
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setTimeout(function checkThatScrollIsFinishedAlmostInstantly() {
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is(scrollbox.scrollTop, scrollTopBefore + 15, "Pixel scrolling should have finished after waiting for one 0-interval timer. We shouldn't be scrolling smoothly, even though the pref is set.")
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win.close();
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clearPrefs();
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SimpleTest.finish();
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}, 0);
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}, win);
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}
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function initPrefs()
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{
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netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
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var prefSvc = Components.classes["@mozilla.org/preferences-service;1"].
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getService(Components.interfaces.nsIPrefBranch);
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// Disables the app level scroll acceleration
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prefSvc.setIntPref("mousewheel.acceleration.start", -1);
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prefSvc.setBoolPref("mousewheel.system_scroll_override_on_root_content.enabled", false);
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// Enables smooth scrolling
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prefSvc.setBoolPref("general.smoothScroll", true);
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}
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function clearPrefs()
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{
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netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
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var prefSvc = Components.classes["@mozilla.org/preferences-service;1"].
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getService(Components.interfaces.nsIPrefBranch);
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if (prefSvc.prefHasUserValue("mousewheel.acceleration.start"))
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prefSvc.clearUserPref("mousewheel.acceleration.start");
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if (prefSvc.prefHasUserValue("mousewheel.system_scroll_override_on_root_content.enabled"))
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prefSvc.clearUserPref("mousewheel.system_scroll_override_on_root_content.enabled");
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if (prefSvc.prefHasUserValue("general.smoothScroll"))
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prefSvc.clearUserPref("general.smoothScroll");
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}
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window.onload = function () {
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initPrefs();
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SimpleTest.executeSoon(runTest);
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}
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SimpleTest.waitForExplicitFinish();
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</script>
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</pre>
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</body>
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</html>
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