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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
add_task(async function test_autoscroll_links() {
await SpecialPowers.pushPrefEnv({
set: [
["general.autoScroll", true],
["middlemouse.contentLoadURL", false],
["test.events.async.enabled", false],
],
});
let autoScroller;
function onPopupShown(aEvent) {
if (aEvent.originalTarget.id != "autoscroller") {
return false;
}
autoScroller = aEvent.originalTarget;
return true;
}
window.addEventListener("popupshown", onPopupShown, { capture: true });
registerCleanupFunction(() => {
window.removeEventListener("popupshown", onPopupShown, { capture: true });
});
function popupIsNotClosed() {
return autoScroller && autoScroller.state != "closed";
}
async function promiseNativeMouseMiddleButtonDown(aBrowser) {
await EventUtils.promiseNativeMouseEvent({
type: "mousemove",
target: aBrowser,
atCenter: true,
});
return EventUtils.promiseNativeMouseEvent({
type: "mousedown",
target: aBrowser,
atCenter: true,
button: 1, // middle button
});
}
async function promiseNativeMouseMiddleButtonUp(aBrowser) {
return EventUtils.promiseNativeMouseEvent({
type: "mouseup",
target: aBrowser,
atCenter: true,
button: 1, // middle button
});
}
function promiseWaitForAutoScrollerClosed() {
if (!autoScroller || autoScroller.state == "closed") {
return Promise.resolve();
}
let result = BrowserTestUtils.waitForEvent(
autoScroller,
"popuphidden",
{ capture: true },
() => {
return true;
}
);
EventUtils.synthesizeKey("KEY_Escape");
return result;
}
async function testMarkup(markup) {
return BrowserTestUtils.withNewTab(
async function (browser) {
await SpecialPowers.spawn(browser, [markup], html => {
content.document.body.innerHTML = html;
content.document.documentElement.scrollTop = 1;
content.document.documentElement.scrollTop; // Flush layout.
});
await promiseNativeMouseMiddleButtonDown(browser);
try {
await TestUtils.waitForCondition(
popupIsNotClosed,
"Wait for timeout of popup",
100,
10
);
ok(false, "Autoscroll shouldn't be started on " + markup);
} catch (e) {
ok(
typeof e == "string" && e.includes(" - timed out after 10 tries."),
`Autoscroll shouldn't be started on ${markup} (${
typeof e == "string" ? e : e.message
})`
);
} finally {
await promiseNativeMouseMiddleButtonUp(browser);
let waitForAutoScrollEnd = promiseWaitForAutoScrollerClosed();
await waitForAutoScrollEnd;
}
}
);
}
await testMarkup(
'<a href="https://example.com/" style="display: block; position: absolute; height:100%; width:100%; background: aqua">Click me</a>'
);
await testMarkup(`
<svg viewbox="0 0 100 100" style="display: block; height: 100%; width: 100%;">
<rect height=100 width=100 fill=blue />
</a>
</svg>`);
await testMarkup(`
<svg viewbox="0 0 100 100" style="display: block; height: 100%; width: 100%;">
<use href="#x"/>
</svg>
</a>
<svg viewbox="0 0 100 100" style="display: none">
<rect id="x" height=100 width=100 fill=green />
</svg>
`);
});