Bug 1640883 - Treat ctrl-c, ctrl-x and ctrl-v as user activation; r=smaug

ctrl-c and ctrl-x is quite common shortcut for clipboard operation, we should
treat it as user activation.

Differential Revision: https://phabricator.services.mozilla.com/D77046
This commit is contained in:
Edgar Chen 2020-05-28 14:23:14 +00:00
Родитель 3e67fe176b
Коммит 45646b6a07
3 изменённых файлов: 102 добавлений и 1 удалений

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@ -9,6 +9,7 @@ prefs =
apz.zoom-to-focused-input.enabled=false
[test_useractivation_has_been_activated.html]
[test_useractivation_key_events.html]
[test_useractivation_transient.html]
[test_useractivation_transient_consuming.html]
[test_clipboard_editor.html]

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@ -0,0 +1,91 @@
<!DOCTYPE HTML>
<html>
<head>
<title>User activation test: key events</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>
<script>
function synthesizeKeyAndWait(aKey, aEvent) {
let promise = new Promise(aResolve => {
document.addEventListener("keydown", function(e) {
e.preventDefault();
aResolve();
}, { once: true });
});
synthesizeKey(aKey, aEvent, window);
return promise;
}
add_task(async function TestPrintableKey() {
let tests = [ 'a', 'b', 'c', 'A', 'B', '1', '2', '3' ];
for (let key of tests) {
SpecialPowers.wrap(document).clearUserGestureActivation();
await synthesizeKeyAndWait(key, {});
ok(SpecialPowers.wrap(document).hasBeenUserGestureActivated,
`check has-been-user-activated for ${key}`);
ok(SpecialPowers.wrap(document).hasValidTransientUserGestureActivation,
`check has-valid-transient-user-activation for ${key}`);
}
});
add_task(async function TestNonPrintableKey() {
let tests = [ [ "KEY_Alt", false],
[ "KEY_Backspace", false],
[ "KEY_Escape" , false ],
[ "KEY_Tab" , false ],
// Treat as user input
[ "KEY_Enter", true],
[ " ", true] ];
for (let [key, expectedResult] of tests) {
SpecialPowers.wrap(document).clearUserGestureActivation();
await synthesizeKeyAndWait(key, {});
is(SpecialPowers.wrap(document).hasBeenUserGestureActivated, expectedResult,
`check has-been-user-activated for "${key}"`);
is(SpecialPowers.wrap(document).hasValidTransientUserGestureActivation, expectedResult,
`check has-valid-transient-user-activation for "${key}"`);
}
});
add_task(async function TestModifier() {
let tests = [ [ 'a', { altKey: true }, false],
[ 'a', { ctrlKey: true }, false],
[ 'a', { metaKey: true }, false],
[ 'a', { osKey: true }, false],
[ 'c', { altKey: true }, false ],
[ 'c', { osKey: true }, false ],
[ 'v', { altKey: true }, false ],
[ 'v', { osKey: true }, false ],
[ 'x', { altKey: true }, false ],
[ 'x', { osKey: true }, false ],
// Treat as user input
[ 'a', { altGraphKey: true }, true ],
[ 'a', { fnKey: true }, true ],
[ 'a', { shiftKey: true }, true ],
[ 'c', { accelKey: true }, true ],
[ 'v', { accelKey: true }, true ],
[ 'x', { accelKey: true }, true ] ];
for (let [key, event, expectedResult] of tests) {
SpecialPowers.wrap(document).clearUserGestureActivation();
await synthesizeKeyAndWait(key, event);
is(SpecialPowers.wrap(document).hasBeenUserGestureActivated, expectedResult,
`check has-been-user-activated for ${key} with ${JSON.stringify(event)}`);
is(SpecialPowers.wrap(document).hasValidTransientUserGestureActivation, expectedResult,
`check has-valid-transient-user-activation for ${key} with ${JSON.stringify(event)}`);
}
});
add_task(async function endTests() {
// Reset the activation flag in order not to interfere following test in the
// verify mode which would run the test using same document couple times.
SpecialPowers.wrap(document).clearUserGestureActivation();
});
</script>
</body>

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@ -317,7 +317,16 @@ class WidgetKeyboardEvent : public WidgetInputEvent {
const bool isEnterOrSpaceKey =
mKeyNameIndex == KEY_NAME_INDEX_Enter || mKeyCode == NS_VK_SPACE;
return (PseudoCharCode() || isEnterOrSpaceKey) &&
!isCombiningWithOperationKeys;
(!isCombiningWithOperationKeys ||
// ctrl-c/ctrl-x/ctrl-v is quite common shortcut for clipboard
// operation.
// XXXedgar, we have to find a better way to handle browser keyboard
// shortcut for user activation, instead of just ignoring all
// combinations, see bug 1641171.
((mKeyCode == dom::KeyboardEvent_Binding::DOM_VK_C ||
mKeyCode == dom::KeyboardEvent_Binding::DOM_VK_V ||
mKeyCode == dom::KeyboardEvent_Binding::DOM_VK_X) &&
IsAccel()));
}
/**