49 lines
1.6 KiB
JavaScript
49 lines
1.6 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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"use strict";
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// <video> is used for top-level audio documents as well
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let videoElement = document.getElementsByTagName("video")[0];
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// 1. Handle fullscreen mode;
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// 2. Send keystrokes to the video element if the body element is focused,
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// to be received by the event listener in videocontrols.xml.
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document.addEventListener("keypress", ev => {
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if (ev.synthetic) // prevent recursion
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return;
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// Maximize the standalone video when pressing F11,
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// but ignore audio elements
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if (ev.key == "F11" && videoElement.videoWidth != 0 && videoElement.videoHeight != 0) {
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// If we're in browser fullscreen mode, it means the user pressed F11
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// while browser chrome or another tab had focus.
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// Don't break leaving that mode, so do nothing here.
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if (window.fullScreen) {
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return;
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}
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// If we're not in broser fullscreen mode, prevent entering into that,
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// so we don't end up there after pressing Esc.
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ev.preventDefault();
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ev.stopPropagation();
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if (!document.mozFullScreenElement) {
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videoElement.mozRequestFullScreen();
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} else {
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document.mozCancelFullScreen();
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}
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return;
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}
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// Check if the video element is focused, so it already receives
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// keystrokes, and don't send it another one from here.
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if (document.activeElement == videoElement)
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return;
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let newEvent = new KeyboardEvent("keypress", ev);
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newEvent.synthetic = true;
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videoElement.dispatchEvent(newEvent);
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});
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