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add_task(async function () {
const kPrefName_AutoScroll = "general.autoScroll";
Services.prefs.setBoolPref(kPrefName_AutoScroll, true);
registerCleanupFunction(() =>
Services.prefs.clearUserPref(kPrefName_AutoScroll)
);
const kNoKeyEvents = 0;
const kKeyDownEvent = 1;
const kKeyPressEvent = 2;
const kKeyUpEvent = 4;
const kAllKeyEvents = 7;
var expectedKeyEvents;
var dispatchedKeyEvents;
var key;
/**
* Encapsulates EventUtils.sendChar().
*/
function sendChar(aChar) {
key = aChar;
dispatchedKeyEvents = kNoKeyEvents;
EventUtils.sendChar(key);
is(
dispatchedKeyEvents,
expectedKeyEvents,
"unexpected key events were dispatched or not dispatched: " + key
);
}
/**
* Encapsulates EventUtils.sendKey().
*/
function sendKey(aKey) {
key = aKey;
dispatchedKeyEvents = kNoKeyEvents;
EventUtils.sendKey(key);
is(
dispatchedKeyEvents,
expectedKeyEvents,
"unexpected key events were dispatched or not dispatched: " + key
);
}
function onKey(aEvent) {
// if (aEvent.target != root && aEvent.target != root.ownerDocument.body) {
// ok(false, "unknown target: " + aEvent.target.tagName);
// return;
// }
var keyFlag;
switch (aEvent.type) {
case "keydown":
keyFlag = kKeyDownEvent;
break;
case "keypress":
keyFlag = kKeyPressEvent;
break;
case "keyup":
keyFlag = kKeyUpEvent;
break;
default:
ok(false, "Unknown events: " + aEvent.type);
return;
}
dispatchedKeyEvents |= keyFlag;
is(keyFlag, expectedKeyEvents & keyFlag, aEvent.type + " fired: " + key);
}
var dataUri = 'data:text/html,<body style="height:10000px;"></body>';
await BrowserTestUtils.withNewTab(dataUri, async function (browser) {
info("Loaded data URI in new tab");
await SimpleTest.promiseFocus(browser);
info("Focused selected browser");
window.addEventListener("keydown", onKey);
window.addEventListener("keypress", onKey);
window.addEventListener("keyup", onKey);
registerCleanupFunction(() => {
window.removeEventListener("keydown", onKey);
window.removeEventListener("keypress", onKey);
window.removeEventListener("keyup", onKey);
});
// Test whether the key events are handled correctly under normal condition
expectedKeyEvents = kAllKeyEvents;
sendChar("A");
// Start autoscrolling by middle button click on the page
info("Creating popup shown promise");
let shownPromise = BrowserTestUtils.waitForEvent(
window,
"popupshown",
false,
event => event.originalTarget.className == "autoscroller"
);
await BrowserTestUtils.synthesizeMouseAtPoint(
10,
10,
{ button: 1 },
gBrowser.selectedBrowser
);
info("Waiting for autoscroll popup to show");
await shownPromise;
// Most key events should be eaten by the browser.
expectedKeyEvents = kNoKeyEvents;
sendChar("A");
sendKey("DOWN");
sendKey("RETURN");
sendKey("RETURN");
sendKey("HOME");
sendKey("END");
sendKey("TAB");
sendKey("RETURN");
// Finish autoscrolling by ESC key. Note that only keydown and keypress
// events are eaten because keyup event is fired *after* the autoscrolling
// is finished.
expectedKeyEvents = kKeyUpEvent;
sendKey("ESCAPE");
// Test whether the key events are handled correctly under normal condition
expectedKeyEvents = kAllKeyEvents;
sendChar("A");
});
});
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