Simon Farre
1c67572d3d
This gives content a chance to deal with the input before chrome and potentially preventDefault() them. Differential Revision: https://phabricator.services.mozilla.com/D296377
43 lines
1.3 KiB
JavaScript
43 lines
1.3 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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export const KeyboardLockUtils = {
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/**
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* Requests reply from content process first for `aEvent`, if `document` is
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* in fullscreen and has keyboard locked.
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*
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* Used by frontend code that needs to check if keyboard lock is active. Function
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* returns true if a reply was requested, indicating that the caller must handle
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* the event only when it gets re-fired.
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*
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* @param {Event} aEvent
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* @returns {boolean} Returns true if caller should wait for response.
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*/
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mustWaitForKeyboardLockRequestedReply(aEvent) {
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// Event is a reply, and we should process it now
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if (aEvent.isReplyEventFromRemoteContent) {
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return false;
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}
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// Event has been requested a reply for already.
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if (aEvent.isWaitingReplyFromRemoteContent) {
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return true;
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}
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const doc = aEvent.target.ownerDocument;
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// Keyboard lock in fullscreen is active and we must
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// request reply for event.
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if (
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doc.fullscreenElement &&
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doc.fullscreenKeyboardLock == "browser" &&
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aEvent.target?.isRemoteBrowser === true
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) {
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aEvent.requestReplyFromRemoteContent();
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return true;
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}
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return false;
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},
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};
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