Keeps Instagram videos playing in the background.
目前為
// ==UserScript==
// @name Instagram Background Playback
// @author UniverseDev
// @namespace http://tampermonkey.net/
// @version 1.0
// @license GPL-3.0-or-later
// @description Keeps Instagram videos playing in the background.
// @match https://www.instagram.com/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=instagram.com
// @grant none
// ==/UserScript==
(function() {
'use strict';
let isOverrideActive = false;
let isVideoPlaying = false;
let currentVideoElement = null;
const overrideVisibility = () => {
if (!isOverrideActive) {
Object.defineProperties(document, {
hidden: {
configurable: true,
get: () => false
},
visibilityState: {
configurable: true,
get: () => 'visible'
}
});
document.dispatchEvent(new Event('visibilitychange'));
isOverrideActive = true;
console.log("IG Background Playback: Activated");
}
};
const restoreVisibility = () => {
if (isOverrideActive) {
delete document.hidden;
delete document.visibilityState;
isOverrideActive = false;
console.log("IG Background Playback: Deactivated");
}
};
document.addEventListener('play', function(event) {
if (event.target.tagName === 'VIDEO') {
isVideoPlaying = true;
currentVideoElement = event.target;
console.log("IG Background Playback: Video started.");
if (document.hidden) {
overrideVisibility();
}
}
}, true);
document.addEventListener('pause', function(event) {
if (event.target.tagName === 'VIDEO' && event.target === currentVideoElement) {
isVideoPlaying = false;
currentVideoElement = null;
if (!document.hidden) {
restoreVisibility();
}
console.log("IG Background Playback: Video paused.");
}
}, true);
document.addEventListener('ended', function(event) {
if (event.target.tagName === 'VIDEO' && event.target === currentVideoElement) {
isVideoPlaying = false;
currentVideoElement = null;
if (!document.hidden) {
restoreVisibility();
}
console.log("IG Background Playback: Video ended.");
}
});
document.addEventListener('visibilitychange', () => {
if (document.hidden && isVideoPlaying) {
overrideVisibility();
} else if (!document.hidden && isOverrideActive) {
restoreVisibility();
}
});
})();