Web player controls and volume reduction to 15%
// ==UserScript==
// @name Tiktok Video Controls
// @version 3.0
// @author VoidCrab
// @description Web player controls and volume reduction to 15%
// @include *tiktok.com/*
// @grant GM_addStyle
// @namespace https://greasyfork.org/users/469070
// ==/UserScript==
// set the desired player volume here
// to disable this feature, set it to -1
const playerVolume = 0.15;
// Taken from https://gist.github.com/BrockA/2625891 and altered to not use jquery
/*--- waitForKeyElements(): A utility function, for Greasemonkey scripts,
that detects and handles AJAXed content.
Usage example:
waitForKeyElements (
"div.comments"
, commentCallbackFunction
);
//--- Page-specific function to do what we want when the node is found.
function commentCallbackFunction (jNode) {
jNode.text ("This comment changed by waitForKeyElements().");
}
IMPORTANT: This function requires your script to have loaded jQuery.
*/
function waitForKeyElements (
selectorTxt, /* Required: The jQuery selector string that
specifies the desired element(s).
*/
actionFunction, /* Required: The code to run when elements are
found. It is passed a jNode to the matched
element.
*/
bWaitOnce, /* Optional: If false, will continue to scan for
new elements even after the first match is
found.
*/
iframeSelector /* Optional: If set, identifies the iframe to
search.
*/
) {
var targetNodes, btargetsFound;
if (typeof iframeSelector == "undefined") {
targetNodes = document.querySelectorAll(selectorTxt);
}
else {
targetNodes = document.querySelectorAll(iframeSelector).contents()
.find(selectorTxt);
}
if (targetNodes && targetNodes.length > 0) {
btargetsFound = true;
/*--- Found target node(s). Go through each and act if they
are new.
*/
targetNodes.forEach ( (tNode) => {
console.log("node", tNode);
var alreadyFound = tNode.alreadyFound || false;
if (!alreadyFound) {
//--- Call the payload function.
var cancelFound = actionFunction (tNode);
if (cancelFound) {
btargetsFound = false;
}
else {
tNode.alreadyFound = true;
}
}
} );
}
else {
btargetsFound = false;
}
//--- Get the timer-control variable for this selector.
var controlObj = waitForKeyElements.controlObj || {};
var controlKey = selectorTxt.replace (/[^\w]/g, "_");
var timeControl = controlObj [controlKey];
//--- Now set or clear the timer as appropriate.
if (btargetsFound && bWaitOnce && timeControl) {
//--- The only condition where we need to clear the timer.
clearInterval (timeControl);
delete controlObj [controlKey]
}
else {
//--- Set a timer, if needed.
if ( ! timeControl) {
timeControl = setInterval ( function () {
waitForKeyElements ( selectorTxt,
actionFunction,
bWaitOnce,
iframeSelector
);
},
300
);
controlObj [controlKey] = timeControl;
}
}
waitForKeyElements.controlObj = controlObj;
}
// wait until page loaded
waitForKeyElements ("video", addControlsToVideo);
function addControlsToVideo (player) {
// var player = jNode.querySelector("video");
player.setAttribute("controls", "");
player.setAttribute("z-index", 1000);
player.style.zIndex = 1000;
if (playerVolume != -1) {
player.volume = playerVolume;
}
}
/*
part of the code to detect big video player that appears once you click a tiktok
example page: https://www.tiktok.com/music/Go-Bananas-6758968635772897281?language=en&lang=en
after altering code, not longer necessary
*/
const observeBigPlayer = (feed) => {
//const feed = document.querySelector(".tt-feed");
if (!feed) { return; }
console.log(feed)
new MutationObserver(() => {
let big_player = feed.querySelector(".video-card-big.browse-mode").querySelector("video");
actionFunction(big_player);
}).observe(feed, { childList: true });
}
// after altering code, no longer necessary
// waitForKeyElements(".tt-feed", observeBigPlayer)