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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
commit0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch)
treea31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /dom/events/test/test_bug574663.html
parentInitial commit. (diff)
downloadfirefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz
firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=574663
+-->
+<head>
+ <title>Test for Bug 574663</title>
+ <script src="/tests/SimpleTest/SimpleTest.js"></script>
+ <script src="/tests/SimpleTest/EventUtils.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=574663">Mozilla Bug 574663</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+
+</div>
+<pre id="test">
+<script>
+
+/** Test for Bug 574663 **/
+
+// SimpleTest's paint_listener does not work on other windows, so we inline
+// a smaller version here.
+function waitForPaint(win, utils, callback) {
+ win.document.documentElement.getBoundingClientRect();
+ if (!utils.isMozAfterPaintPending) {
+ win.requestAnimationFrame(function() {
+ setTimeout(callback);
+ });
+ return;
+ }
+
+ var onpaint = function() {
+ if (!utils.isMozAfterPaintPending) {
+ win.removeEventListener("MozAfterPaint", onpaint);
+ callback();
+ return;
+ }
+ if (utils.isTestControllingRefreshes) {
+ utils.advanceTimeAndRefresh(0);
+ }
+ }
+ win.addEventListener("MozAfterPaint", onpaint);
+ if (utils.isTestControllingRefreshes) {
+ utils.advanceTimeAndRefresh(0);
+ }
+}
+
+// This is a magic number representing how many device pixels we are attempting to
+// scroll or zoom. We use it for sending the wheel events, but we don't actually
+// check that we have scrolled by that amount.
+var kDelta = 3;
+
+function sendTouchpadScrollMotion(scrollbox, direction, ctrl, momentum, callback) {
+ var win = scrollbox.ownerDocument.defaultView;
+ let winUtils = SpecialPowers.getDOMWindowUtils(win);
+
+ let event = {
+ deltaMode: WheelEvent.DOM_DELTA_PIXEL,
+ deltaY: direction * kDelta,
+ lineOrPageDeltaY: direction,
+ ctrlKey: ctrl,
+ isMomentum: momentum
+ };
+
+ // Construct a promise that will resolve when either scroll or zoom has changed.
+ // --- Intermittent Warning ---
+ // Two wheel events are sent, but our promise resolves when any change has been
+ // made to scroll or zoom. That makes it possible that the effect of the second
+ // event may not yet be applied when the promise resolves. This shouldn't lead
+ // to any errors, since the two wheel events are moving in the same direction,
+ // and our later checks will only ensure that the value has changed from its
+ // initial value. This was done intentionally, because attempting to wait after
+ // both events yields problems when the second event has no effect, which does
+ // happen in testing. It's not clear why this is happening. Since the testing
+ // pattern is scroll (twice), then scroll back (twice), it's possible that the
+ // first scroll back event is sufficient to return the scrollbox to its minimal
+ // scrollTop position, and so the second event doesn't scroll any further.
+ const initialZoom = SpecialPowers.getFullZoom(win);
+ const initialScroll = scrollbox.scrollTop;
+
+ const effectOfWheelEvent = SimpleTest.promiseWaitForCondition(() => {
+ return ((SpecialPowers.getFullZoom(win) != initialZoom) || (scrollbox.scrollTop != initialScroll));
+ }, "Mouse wheel should have caused us to either zoom or scroll.");
+
+ synthesizeWheel(scrollbox, 10, 10, event, win);
+
+ // then additional pixel scroll
+ event.lineOrPageDeltaY = 0;
+ synthesizeWheel(scrollbox, 10, 10, event, win);
+
+ effectOfWheelEvent.then(callback);
+}
+
+function runTest() {
+ var win = open('bug574663.html', '_blank', 'width=300,height=300');
+ let winUtils = SpecialPowers.getDOMWindowUtils(win);
+
+ let waitUntilPainted = function(callback) {
+ // Until the first non-blank paint, the parent will set the opacity of our
+ // browser to 0 using the 'blank' attribute.
+ // Until the blank attribute is removed, we can't send scroll events.
+ SimpleTest.waitForFocus(function() {
+ /* eslint-disable no-shadow */
+ let chromeScript = SpecialPowers.loadChromeScript(_ => {
+ /* eslint-env mozilla/chrome-script */
+ let win = Services.wm.getMostRecentWindow("navigator:browser");
+ win.requestAnimationFrame(() => {
+ win.gBrowser.selectedBrowser.removeAttribute("blank");
+ win.requestAnimationFrame(() => {
+ sendAsyncMessage("blank-attribute-removed");
+ });
+ });
+ });
+ /* eslint-enable no-shadow */
+ chromeScript.promiseOneMessage("blank-attribute-removed").then(() => {
+ chromeScript.destroy();
+ waitForPaint(win, winUtils, callback);
+ });
+ }, win);
+ };
+
+ waitUntilPainted(function () {
+ var scrollbox = win.document.getElementById("scrollbox");
+ let outstandingTests = [
+ [false, false],
+ [false, true],
+ [true, false],
+ [true, true],
+ ];
+
+ // grab the refresh driver, since we want to make sure
+ // async scrolls happen in deterministic time
+ winUtils.advanceTimeAndRefresh(1000);
+
+ function nextTest() {
+ let [ctrlKey, isMomentum] = outstandingTests.shift();
+ let scrollTopBefore = scrollbox.scrollTop;
+ let zoomFactorBefore = SpecialPowers.getFullZoom(win);
+
+ let check = function() {
+ if (!ctrlKey) {
+ let postfix = isMomentum ? ", even after releasing the touchpad" : "";
+ // Normal scroll: scroll
+ is(SpecialPowers.getFullZoom(win), zoomFactorBefore, "Normal scrolling shouldn't change zoom" + postfix);
+ isnot(scrollbox.scrollTop, scrollTopBefore,
+ "Normal scrolling should scroll" + postfix);
+ } else {
+ if (!isMomentum) {
+ isnot(SpecialPowers.getFullZoom(win), zoomFactorBefore, "Ctrl-scrolling should zoom while the user is touching the touchpad");
+ is(scrollbox.scrollTop, scrollTopBefore, "Ctrl-scrolling shouldn't scroll while the user is touching the touchpad");
+ } else {
+ is(SpecialPowers.getFullZoom(win), zoomFactorBefore, "Momentum scrolling shouldn't zoom, even when pressing Ctrl");
+ isnot(scrollbox.scrollTop, scrollTopBefore,
+ "Momentum scrolling should scroll, even when pressing Ctrl");
+ }
+ }
+
+ if (!outstandingTests.length) {
+ winUtils.restoreNormalRefresh();
+ win.close();
+ SimpleTest.finish();
+ return;
+ }
+
+ // Revert the effect for the next test.
+ sendTouchpadScrollMotion(scrollbox, -1, ctrlKey, isMomentum, function() {
+ setTimeout(nextTest, 0);
+ });
+ }
+
+ sendTouchpadScrollMotion(scrollbox, 1, ctrlKey, isMomentum, check);
+ }
+ nextTest();
+ });
+}
+
+window.onload = function() {
+ SpecialPowers.pushPrefEnv({
+ "set":[["general.smoothScroll", false],
+ ["mousewheel.acceleration.start", -1],
+ ["mousewheel.system_scroll_override.enabled", false],
+ ["mousewheel.with_control.action", 3],
+ ["test.events.async.enabled", true]]}, runTest);
+}
+
+SimpleTest.waitForExplicitFinish();
+
+</script>
+</pre>
+
+</body>
+</html>
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