// ==UserScript==
// @name YouTube Enhancer (Loop & Screenshot Buttons)
// @description Add Loop, Save and Copy Screenshot Buttons.
// @icon data:image/svg+xml;base64,<svg xmlns="http://www.w3.org/2000/svg"  viewBox="0 0 100 100" width="100px" height="100px" baseProfile="basic"><path fill="#de333b" d="M89.437,39.23c-0.841-0.794-2.113-0.996-3.253-1.303c-6.326-1.704-10.654-8.81-9.266-15.213	c0.263-1.212,0.699-2.481,0.305-3.657c-0.269-0.802-0.89-1.431-1.518-1.998c-2.302-2.08-4.969-3.756-7.842-4.927	c-1.004-0.409-2.071-0.763-3.152-0.671c-2.18,0.185-3.761,2.054-5.53,3.342c-3.165,2.305-7.539,2.836-11.164,1.355	c-2.785-1.138-5.089-3.345-7.992-4.135c-5.97-1.624-12.029,3.563-12.528,9.371c-0.228,2.655,0.108,5.368-0.489,7.965	c-0.918,3.996-4.18,7.362-8.145,8.405c-1.309,0.344-2.765,0.496-3.748,1.427c-0.944,0.894-1.2,2.281-1.352,3.573	c-0.364,3.109-0.413,6.256-0.145,9.375c0.066,0.772,0.162,1.573,0.575,2.228c0.886,1.407,2.796,1.616,4.408,2.022	c6.248,1.572,10.437,8.793,8.701,14.997c-0.45,1.607-1.24,3.244-0.852,4.867c0.356,1.489,1.623,2.566,2.877,3.444	c2.133,1.494,4.445,2.734,6.869,3.685c4.813,1.889,7.341-3.734,11.307-5.198c3.455-1.275,7.517-1.036,10.726,0.809	c4.013,2.307,5.67,7.06,10.959,4.862c3.061-1.272,8.887-5.175,8.43-9.124c-0.532-4.59-1.557-7.851,0.862-12.212	c1.847-3.33,5-6.006,8.762-6.84c0.984-0.218,2.044-0.35,2.823-0.989c1.048-0.861,1.263-2.362,1.322-3.717	c0.14-3.18-0.159-6.38-0.885-9.479c-0.17-0.726-0.377-1.474-0.858-2.043C89.58,39.372,89.51,39.299,89.437,39.23z"/><path fill="none" d="M72.846,23.741c0.263-1.212,0.699-2.481,0.305-3.657c-0.269-0.802-0.89-1.431-1.518-1.998 c-2.302-2.08-4.969-3.756-7.842-4.927c-1.004-0.409-2.071-0.763-3.152-0.671c-2.18,0.185-3.761,2.054-5.53,3.342 c-3.165,2.305-7.539,2.836-11.164,1.355c-2.785-1.138-5.089-3.345-7.992-4.135c-5.97-1.624-12.029,3.563-12.528,9.371 c-0.228,2.655,0.108,5.368-0.489,7.965c-0.918,3.996-4.18,7.362-8.145,8.405c-1.309,0.344-2.766,0.496-3.748,1.427 c-0.944,0.894-1.2,2.281-1.352,3.573c-0.364,3.109-0.413,6.256-0.145,9.375c0.066,0.772,0.162,1.573,0.575,2.228 c0.886,1.407,2.796,1.616,4.408,2.022c6.248,1.572,10.437,8.793,8.701,14.997c-0.45,1.607-1.24,3.244-0.852,4.867 c0.356,1.489,1.623,2.566,2.877,3.444c2.133,1.494,4.445,2.734,6.869,3.685c4.813,1.889,7.341-3.734,11.307-5.198 c3.455-1.275,7.517-1.036,10.726,0.809c4.013,2.307,5.67,7.06,10.959,4.862c3.061-1.272,8.887-5.175,8.43-9.124 c-0.532-4.59-1.557-7.851,0.862-12.212c1.847-3.33,5-6.006,8.762-6.84c0.984-0.218,2.044-0.35,2.823-0.989 c1.048-0.861,1.263-2.362,1.322-3.717c0.14-3.18-0.159-6.38-0.885-9.479c-0.17-0.726-0.377-1.474-0.858-2.043 c-0.066-0.078-0.136-0.152-0.209-0.221c-0.841-0.794-2.113-0.996-3.253-1.303"/><path d="M72.846,23.741c0,0,0.054-0.205,0.16-0.604c0.098-0.401,0.297-0.988,0.37-1.805c0.032-0.406,0.015-0.88-0.151-1.372 c-0.164-0.493-0.487-0.971-0.89-1.417c-0.825-0.872-1.85-1.774-3.091-2.703c-1.242-0.92-2.705-1.848-4.412-2.663 c-0.855-0.396-1.747-0.831-2.817-1.067c-1.059-0.259-2.333-0.106-3.383,0.43c-1.066,0.519-1.966,1.278-2.868,1.99 c-0.898,0.727-1.817,1.343-2.892,1.8c-2.128,0.897-4.696,1.186-7.151,0.528c-2.471-0.581-4.566-2.479-7.384-3.967 c-1.407-0.737-3.124-1.248-4.874-1.218c-1.75,0.016-3.503,0.516-5.062,1.378c-3.104,1.718-5.617,4.861-6.209,8.76 c-0.272,1.892-0.176,3.642-0.265,5.339c-0.074,1.7-0.3,3.251-0.991,4.67c-0.673,1.424-1.7,2.719-2.975,3.717 c-0.64,0.495-1.338,0.917-2.076,1.244c-0.764,0.335-1.449,0.534-2.402,0.73c-0.926,0.219-2.135,0.444-3.28,1.356 c-1.161,0.943-1.651,2.303-1.88,3.385c-0.231,1.129-0.301,2.073-0.403,3.09c-0.088,1.006-0.141,2.02-0.166,3.039 c-0.023,1.019-0.012,2.044,0.029,3.072l0.091,1.544c0.039,0.501,0.073,1.066,0.218,1.726c0.136,0.641,0.448,1.44,0.983,2.053 c0.522,0.62,1.183,1.055,1.789,1.327c1.226,0.549,2.317,0.701,3.213,0.936c1.655,0.438,3.207,1.34,4.478,2.599 c1.243,1.276,2.272,2.842,2.815,4.577c0.564,1.722,0.72,3.554,0.331,5.243c-0.137,0.823-0.542,1.757-0.834,2.902 c-0.148,0.57-0.266,1.212-0.278,1.911c-0.018,0.695,0.117,1.465,0.391,2.147c0.569,1.374,1.532,2.296,2.419,3.008 c0.912,0.715,1.761,1.254,2.667,1.815c1.815,1.093,3.646,2.007,5.651,2.747c1.146,0.451,2.58,0.547,3.829,0.221 c1.26-0.32,2.278-0.958,3.137-1.593c1.707-1.29,2.988-2.679,4.356-3.492c0.342-0.217,0.656-0.351,1.011-0.501 c0.389-0.142,0.784-0.265,1.185-0.366c0.803-0.201,1.626-0.314,2.448-0.342c1.644-0.056,3.283,0.233,4.749,0.848 c1.482,0.597,2.664,1.592,3.971,2.79c0.654,0.592,1.333,1.219,2.138,1.795c0.797,0.568,1.765,1.101,2.861,1.29 c1.091,0.2,2.167,0.06,3.127-0.2c0.943-0.311,1.776-0.689,2.544-1.118c1.544-0.855,2.953-1.85,4.226-3.013 c0.629-0.591,1.234-1.208,1.754-1.922c0.531-0.695,0.99-1.483,1.281-2.374c0.165-0.435,0.23-0.918,0.291-1.393 c0.005-0.476-0.014-1.021-0.079-1.36c-0.115-0.758-0.229-1.51-0.341-2.254c-0.23-1.467-0.418-2.863-0.384-4.193 c0.035-1.328,0.308-2.592,0.807-3.77c0.981-2.377,2.62-4.368,4.489-5.763c0.944-0.689,1.947-1.248,2.983-1.625 c0.523-0.189,1.029-0.338,1.572-0.46c0.545-0.126,1.121-0.25,1.687-0.49c0.564-0.23,1.115-0.628,1.471-1.132 c0.369-0.497,0.57-1.052,0.697-1.583c0.244-1.073,0.214-2.069,0.217-3.006c-0.017-1.885-0.189-3.6-0.43-5.124 c-0.245-1.526-0.55-2.855-0.889-4.002c-0.181-0.572-0.433-1.095-0.789-1.476c-0.352-0.385-0.765-0.618-1.139-0.781 c-0.759-0.311-1.371-0.41-1.772-0.506c-0.403-0.09-0.61-0.136-0.61-0.136s0.204,0.059,0.601,0.173 c0.394,0.119,1.002,0.257,1.719,0.602c0.353,0.179,0.729,0.424,1.032,0.795c0.306,0.367,0.512,0.86,0.656,1.418 c0.268,1.131,0.502,2.475,0.663,3.984c0.158,1.511,0.242,3.201,0.167,5.043c-0.045,0.921-0.074,1.889-0.328,2.784 c-0.25,0.906-0.769,1.647-1.668,1.947c-0.879,0.32-2.088,0.388-3.256,0.786c-1.166,0.368-2.305,0.937-3.383,1.657 c-2.139,1.464-4.03,3.567-5.251,6.213c-0.624,1.321-1.013,2.827-1.107,4.365c-0.096,1.538,0.063,3.065,0.242,4.555 c0.086,0.738,0.172,1.483,0.26,2.234c0.059,0.415,0.026,0.64,0.032,0.931c-0.059,0.285-0.092,0.572-0.22,0.862 c-0.418,1.169-1.414,2.292-2.528,3.266c-1.136,0.975-2.445,1.845-3.834,2.561c-0.696,0.366-1.408,0.648-2.075,0.853 c-0.674,0.154-1.322,0.211-1.924,0.084c-2.453-0.466-4.451-4.3-8.331-5.944c-1.856-0.828-3.903-1.229-5.965-1.2 c-1.031,0.015-2.067,0.137-3.088,0.372c-0.51,0.118-1.016,0.265-1.516,0.438c-0.519,0.198-1.076,0.438-1.541,0.722 c-1.908,1.126-3.265,2.591-4.671,3.591c-0.695,0.503-1.38,0.88-2.021,1.028c-0.641,0.142-1.258,0.121-1.948-0.156 c-1.682-0.642-3.421-1.522-5.025-2.514c-1.602-1.005-3.315-2.165-3.695-3.242c-0.2-0.498-0.186-1.104,0.038-1.958 c0.206-0.843,0.637-1.81,0.875-3.021c0.538-2.345,0.322-4.796-0.413-7.036c-0.717-2.257-2.025-4.265-3.662-5.927 c-1.661-1.639-3.768-2.873-6.055-3.454c-1.074-0.256-2.008-0.423-2.63-0.71c-0.316-0.137-0.505-0.289-0.636-0.435 c-0.132-0.147-0.209-0.307-0.293-0.64c-0.076-0.318-0.119-0.755-0.159-1.247l-0.099-1.437c-0.049-0.957-0.07-1.912-0.059-2.862 c0.012-0.95,0.05-1.896,0.119-2.836c0.076-0.925,0.154-1.925,0.304-2.693c0.157-0.791,0.417-1.336,0.765-1.619 c0.353-0.319,1.067-0.555,1.97-0.761c0.9-0.195,2.036-0.527,2.975-0.977c0.967-0.451,1.865-1.019,2.677-1.675 c1.62-1.322,2.898-3,3.729-4.868c0.863-1.875,1.095-3.953,1.121-5.765c0.043-1.825-0.077-3.571,0.111-5.084 c0.341-2.948,2.302-5.637,4.768-7.082c1.232-0.733,2.6-1.166,3.958-1.225c1.365-0.063,2.674,0.26,3.934,0.858 c2.505,1.175,4.9,3.196,7.871,3.807c2.884,0.648,5.766,0.19,8.124-0.922c1.179-0.555,2.234-1.34,3.105-2.115 c0.883-0.766,1.695-1.502,2.574-1.977c0.875-0.484,1.796-0.644,2.719-0.476c0.921,0.153,1.818,0.526,2.666,0.872 c1.695,0.709,3.167,1.54,4.43,2.378c1.257,0.841,2.33,1.688,3.17,2.484c0.409,0.405,0.732,0.832,0.908,1.278 c0.179,0.444,0.223,0.891,0.215,1.287c-0.024,0.796-0.186,1.399-0.261,1.803C72.888,23.532,72.846,23.741,72.846,23.741z"/><path fill="#f2f2f2" d="M66.847,49.099c0.01-1.192-0.639-2.243-1.695-3.036c-5.193-3.901-10.51-7.632-15.939-11.198	c-0.577-0.379-1.167-0.531-1.734-0.528c-0.159-0.143-0.314-0.292-0.476-0.433c-1.226-1.064-2.773-1.308-4.225-0.545	c-2.279,1.199-2.655,3.534-2.495,5.861c0.04,0.577,0.08,1.155,0.119,1.732c0,0.001,0,0.002,0,0.004	c-0.086,2.46,0.148,4.974,0.222,7.435c0.074,2.478,0.148,4.957,0.222,7.435c0.039,1.322,0.079,2.644,0.118,3.965	c0.042,1.424-0.081,2.971,0.655,4.248c1.695,2.943,5.139,2.268,7.581,0.835c1.976-1.16,3.934-2.351,5.855-3.601	c3.891-2.534,7.656-5.323,11.008-8.544C67.036,51.793,67.287,50.327,66.847,49.099z"/></svg>
// @version 1.8
// @author exyezed
// @namespace https://github.com/exyezed/youtube-enhancer/
// @supportURL https://github.com/exyezed/youtube-enhancer/issues
// @license MIT
// @match https://youtube.com/*
// @match https://www.youtube.com/*
// @grant none
// ==/UserScript==
(function () {
"use strict";
const buttonConfig = {
screenshotFormat: "png",
extension: "png",
clickDuration: 500,
};
const buttonCSS = `
a.buttonLoopAndScreenshot-loop-button,
a.buttonLoopAndScreenshot-save-screenshot-button,
a.buttonLoopAndScreenshot-copy-screenshot-button {
text-align: center;
position: relative;
display: flex;
align-items: center;
justify-content: center;
width: 48px;
height: 48px;
}
a.buttonLoopAndScreenshot-loop-button svg,
a.buttonLoopAndScreenshot-save-screenshot-button svg,
a.buttonLoopAndScreenshot-copy-screenshot-button svg {
width: 24px;
height: 24px;
vertical-align: middle;
transition: fill 0.2s ease;
}
a.buttonLoopAndScreenshot-loop-button:hover svg,
a.buttonLoopAndScreenshot-save-screenshot-button:hover svg,
a.buttonLoopAndScreenshot-copy-screenshot-button:hover svg {
fill: url(#buttonGradient);
}
a.buttonLoopAndScreenshot-loop-button.active svg,
a.buttonLoopAndScreenshot-save-screenshot-button.clicked svg,
a.buttonLoopAndScreenshot-copy-screenshot-button.clicked svg {
fill: url(#successGradient);
}
.buttonLoopAndScreenshot-shorts-save-button,
.buttonLoopAndScreenshot-shorts-copy-button {
display: flex;
align-items: center;
justify-content: center;
margin-top: 16px;
margin-bottom: 16px;
width: 48px;
height: 48px;
border-radius: 50%;
cursor: pointer;
transition: background-color 0.3s;
}
.buttonLoopAndScreenshot-shorts-save-button svg,
.buttonLoopAndScreenshot-shorts-copy-button svg {
width: 24px;
height: 24px;
transition: fill 0.1s ease;
}
.buttonLoopAndScreenshot-shorts-save-button svg path,
.buttonLoopAndScreenshot-shorts-copy-button svg path {
transition: fill 0.1s ease;
}
.buttonLoopAndScreenshot-shorts-save-button:hover svg path,
.buttonLoopAndScreenshot-shorts-copy-button:hover svg path {
fill: url(#shortsButtonGradient) !important;
}
.buttonLoopAndScreenshot-shorts-save-button.clicked svg path,
.buttonLoopAndScreenshot-shorts-copy-button.clicked svg path {
fill: url(#shortsSuccessGradient) !important;
}
html[dark] .buttonLoopAndScreenshot-shorts-save-button,
html[dark] .buttonLoopAndScreenshot-shorts-copy-button {
background-color: rgba(255, 255, 255, 0.1);
}
html[dark] .buttonLoopAndScreenshot-shorts-save-button:hover,
html[dark] .buttonLoopAndScreenshot-shorts-copy-button:hover {
background-color: rgba(255, 255, 255, 0.2);
}
html[dark] .buttonLoopAndScreenshot-shorts-save-button svg path,
html[dark] .buttonLoopAndScreenshot-shorts-copy-button svg path {
fill: white;
}
html:not([dark]) .buttonLoopAndScreenshot-shorts-save-button,
html:not([dark]) .buttonLoopAndScreenshot-shorts-copy-button {
background-color: rgba(0, 0, 0, 0.05);
}
html:not([dark]) .buttonLoopAndScreenshot-shorts-save-button:hover,
html:not([dark]) .buttonLoopAndScreenshot-shorts-copy-button:hover {
background-color: rgba(0, 0, 0, 0.1);
}
html:not([dark]) .buttonLoopAndScreenshot-shorts-save-button svg path,
html:not([dark]) .buttonLoopAndScreenshot-shorts-copy-button svg path {
fill: #030303;
}
`;
const iconUtils = {
createGradientDefs(isShortsButton = false) {
const defs = document.createElementNS(
"http://www.w3.org/2000/svg",
"defs"
);
const hoverGradient = document.createElementNS(
"http://www.w3.org/2000/svg",
"linearGradient"
);
hoverGradient.setAttribute(
"id",
isShortsButton ? "shortsButtonGradient" : "buttonGradient"
);
hoverGradient.setAttribute("x1", "0%");
hoverGradient.setAttribute("y1", "0%");
hoverGradient.setAttribute("x2", "100%");
hoverGradient.setAttribute("y2", "100%");
const hoverStop1 = document.createElementNS(
"http://www.w3.org/2000/svg",
"stop"
);
hoverStop1.setAttribute("offset", "0%");
hoverStop1.setAttribute("style", "stop-color:#f03");
const hoverStop2 = document.createElementNS(
"http://www.w3.org/2000/svg",
"stop"
);
hoverStop2.setAttribute("offset", "100%");
hoverStop2.setAttribute("style", "stop-color:#ff2791");
hoverGradient.appendChild(hoverStop1);
hoverGradient.appendChild(hoverStop2);
defs.appendChild(hoverGradient);
const successGradient = document.createElementNS(
"http://www.w3.org/2000/svg",
"linearGradient"
);
successGradient.setAttribute(
"id",
isShortsButton ? "shortsSuccessGradient" : "successGradient"
);
successGradient.setAttribute("x1", "0%");
successGradient.setAttribute("y1", "0%");
successGradient.setAttribute("x2", "100%");
successGradient.setAttribute("y2", "100%");
const successStop1 = document.createElementNS(
"http://www.w3.org/2000/svg",
"stop"
);
successStop1.setAttribute("offset", "0%");
successStop1.setAttribute("style", "stop-color:#0f9d58");
const successStop2 = document.createElementNS(
"http://www.w3.org/2000/svg",
"stop"
);
successStop2.setAttribute("offset", "100%");
successStop2.setAttribute("style", "stop-color:#00c853");
successGradient.appendChild(successStop1);
successGradient.appendChild(successStop2);
defs.appendChild(successGradient);
return defs;
},
createBaseSVG(viewBox, fill = "#e8eaed", isShortsButton = false) {
const svg = document.createElementNS("http://www.w3.org/2000/svg", "svg");
svg.setAttribute("xmlns", "http://www.w3.org/2000/svg");
svg.setAttribute("height", "24px");
svg.setAttribute("viewBox", viewBox);
svg.setAttribute("width", "24px");
svg.setAttribute("fill", fill);
svg.appendChild(this.createGradientDefs(isShortsButton));
return svg;
},
paths: {
loopPath:
"M220-260q-92 0-156-64T0-480q0-92 64-156t156-64q37 0 71 13t61 37l68 62-60 54-62-56q-16-14-36-22t-42-8q-58 0-99 41t-41 99q0 58 41 99t99 41q22 0 42-8t36-22l310-280q27-24 61-37t71-13q92 0 156 64t64 156q0 92-64 156t-156 64q-37 0-71-13t-61-37l-68-62 60-54 62 56q16 14 36 22t42 8q58 0 99-41t41-99q0-58-41-99t-99-41q-22 0-42 8t-36 22L352-310q-27 24-61 37t-71 13Z",
screenshotPath:
"M20 5h-3.17l-1.24-1.35A2 2 0 0 0 14.12 3H9.88c-.56 0-1.1.24-1.47.65L7.17 5H4c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V7c0-1.1-.9-2-2-2m-3 12H7a.5.5 0 0 1-.4-.8l2-2.67c.2-.27.6-.27.8 0L11.25 16l2.6-3.47c.2-.27.6-.27.8 0l2.75 3.67a.5.5 0 0 1-.4.8",
copyScreenshotPath:
"M9 14h10l-3.45-4.5l-2.3 3l-1.55-2zm-1 4q-.825 0-1.412-.587T6 16V4q0-.825.588-1.412T8 2h12q.825 0 1.413.588T22 4v12q0 .825-.587 1.413T20 18zm0-2h12V4H8zm-4 6q-.825 0-1.412-.587T2 20V6h2v14h14v2zM8 4h12v12H8z",
},
createLoopIcon() {
const svg = this.createBaseSVG("0 -960 960 960");
const path = document.createElementNS(
"http://www.w3.org/2000/svg",
"path"
);
path.setAttribute("d", this.paths.loopPath);
svg.appendChild(path);
return svg;
},
createSaveScreenshotIcon(isShortsButton = false) {
const svg = this.createBaseSVG("0 0 24 24", "#e8eaed", isShortsButton);
const path = document.createElementNS(
"http://www.w3.org/2000/svg",
"path"
);
path.setAttribute("d", this.paths.screenshotPath);
svg.appendChild(path);
return svg;
},
createCopyScreenshotIcon(isShortsButton = false) {
const svg = this.createBaseSVG("0 0 24 24", "#e8eaed", isShortsButton);
const path = document.createElementNS(
"http://www.w3.org/2000/svg",
"path"
);
path.setAttribute("d", this.paths.copyScreenshotPath);
svg.appendChild(path);
return svg;
},
};
const buttonUtils = {
addStyle(styleString) {
const style = document.createElement("style");
style.textContent = styleString;
document.head.append(style);
},
getVideoId() {
const urlParams = new URLSearchParams(window.location.search);
return urlParams.get("v") || window.location.pathname.split("/").pop();
},
getApiKey() {
const scripts = document.getElementsByTagName("script");
for (const script of scripts) {
const match = script.textContent.match(
/"INNERTUBE_API_KEY":\s*"([^"]+)"/
);
if (match && match[1]) return match[1];
}
return null;
},
getClientInfo() {
const scripts = document.getElementsByTagName("script");
let clientName = null;
let clientVersion = null;
for (const script of scripts) {
const nameMatch = script.textContent.match(
/"INNERTUBE_CLIENT_NAME":\s*"([^"]+)"/
);
const versionMatch = script.textContent.match(
/"INNERTUBE_CLIENT_VERSION":\s*"([^"]+)"/
);
if (nameMatch && nameMatch[1]) clientName = nameMatch[1];
if (versionMatch && versionMatch[1]) clientVersion = versionMatch[1];
}
return { clientName, clientVersion };
},
async fetchVideoDetails(videoId) {
try {
const apiKey = this.getApiKey();
if (!apiKey) return null;
const { clientName, clientVersion } = this.getClientInfo();
if (!clientName || !clientVersion) return null;
const response = await fetch(
`https://www.youtube.com/youtubei/v1/player?key=${apiKey}`,
{
method: "POST",
headers: {
"Content-Type": "application/json",
},
body: JSON.stringify({
videoId: videoId,
context: {
client: {
clientName: clientName,
clientVersion: clientVersion,
},
},
}),
}
);
if (!response.ok) return null;
const data = await response.json();
if (data && data.videoDetails && data.videoDetails.title) {
return data.videoDetails.title;
}
return "YouTube Video";
} catch (error) {
return "YouTube Video";
}
},
async getVideoTitle(callback) {
const videoId = this.getVideoId();
const title = await this.fetchVideoDetails(videoId);
callback(title || "YouTube Video");
},
formatTime(time) {
const date = new Date();
const dateString = `${date.getFullYear()}-${String(
date.getMonth() + 1
).padStart(2, "0")}-${String(date.getDate()).padStart(2, "0")}`;
const timeString = [
Math.floor(time / 3600),
Math.floor((time % 3600) / 60),
Math.floor(time % 60),
]
.map((v) => v.toString().padStart(2, "0"))
.join("-");
return `${dateString} ${timeString}`;
},
async copyToClipboard(blob) {
const clipboardItem = new ClipboardItem({ "image/png": blob });
await navigator.clipboard.write([clipboardItem]);
},
downloadScreenshot(blob, filename) {
const url = URL.createObjectURL(blob);
const a = document.createElement("a");
a.style.display = "none";
a.href = url;
a.download = filename;
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
URL.revokeObjectURL(url);
},
captureScreenshot(player, action = "download") {
if (!player) return;
const canvas = document.createElement("canvas");
canvas.width = player.videoWidth;
canvas.height = player.videoHeight;
canvas
.getContext("2d")
.drawImage(player, 0, 0, canvas.width, canvas.height);
this.getVideoTitle((title) => {
const time = player.currentTime;
const filename = `${title} ${this.formatTime(time)}.${
buttonConfig.extension
}`;
canvas.toBlob(async (blob) => {
if (action === "copy") {
await this.copyToClipboard(blob);
} else {
this.downloadScreenshot(blob, filename);
}
}, `image/${buttonConfig.screenshotFormat}`);
});
},
};
const regularVideo = {
init() {
this.waitForControls().then(() => {
this.insertLoopElement();
this.insertSaveScreenshotElement();
this.insertCopyScreenshotElement();
this.addObserver();
this.addContextMenuListener();
});
},
waitForControls() {
return new Promise((resolve, reject) => {
let attempts = 0;
const maxAttempts = 50;
const checkControls = () => {
const controls = document.querySelector("div.ytp-left-controls");
if (controls) {
resolve(controls);
} else if (attempts >= maxAttempts) {
reject(new Error("Controls not found after maximum attempts"));
} else {
attempts++;
setTimeout(checkControls, 100);
}
};
checkControls();
});
},
insertLoopElement() {
const controls = document.querySelector("div.ytp-left-controls");
if (!controls) return;
if (document.querySelector(".buttonLoopAndScreenshot-loop-button"))
return;
const newButton = document.createElement("a");
newButton.classList.add(
"ytp-button",
"buttonLoopAndScreenshot-loop-button"
);
newButton.title = "Loop Video";
newButton.appendChild(iconUtils.createLoopIcon());
newButton.addEventListener("click", this.toggleLoopState);
controls.appendChild(newButton);
},
insertSaveScreenshotElement() {
const controls = document.querySelector("div.ytp-left-controls");
if (!controls) return;
if (
document.querySelector(
".buttonLoopAndScreenshot-save-screenshot-button"
)
)
return;
const newButton = document.createElement("a");
newButton.classList.add(
"ytp-button",
"buttonLoopAndScreenshot-save-screenshot-button"
);
newButton.title = "Save Screenshot";
newButton.appendChild(iconUtils.createSaveScreenshotIcon());
newButton.addEventListener("click", this.handleSaveScreenshotClick);
const loopButton = document.querySelector(
".buttonLoopAndScreenshot-loop-button"
);
if (loopButton) {
loopButton.parentNode.insertBefore(newButton, loopButton.nextSibling);
} else {
controls.appendChild(newButton);
}
},
insertCopyScreenshotElement() {
const controls = document.querySelector("div.ytp-left-controls");
if (!controls) return;
if (
document.querySelector(
".buttonLoopAndScreenshot-copy-screenshot-button"
)
)
return;
const newButton = document.createElement("a");
newButton.classList.add(
"ytp-button",
"buttonLoopAndScreenshot-copy-screenshot-button"
);
newButton.title = "Copy Screenshot to Clipboard";
newButton.appendChild(iconUtils.createCopyScreenshotIcon());
newButton.addEventListener("click", this.handleCopyScreenshotClick);
const saveButton = document.querySelector(
".buttonLoopAndScreenshot-save-screenshot-button"
);
if (saveButton) {
saveButton.parentNode.insertBefore(newButton, saveButton.nextSibling);
} else {
controls.appendChild(newButton);
}
},
toggleLoopState() {
const video = document.querySelector("video");
video.loop = !video.loop;
if (video.loop) video.play();
regularVideo.updateToggleControls();
},
updateToggleControls() {
const youtubeVideoLoop = document.querySelector(
".buttonLoopAndScreenshot-loop-button"
);
youtubeVideoLoop.classList.toggle("active");
youtubeVideoLoop.setAttribute(
"title",
this.isActive() ? "Stop Looping" : "Loop Video"
);
},
isActive() {
const youtubeVideoLoop = document.querySelector(
".buttonLoopAndScreenshot-loop-button"
);
return youtubeVideoLoop.classList.contains("active");
},
addObserver() {
const video = document.querySelector("video");
new MutationObserver((mutations) => {
mutations.forEach(() => {
if (
(video.getAttribute("loop") === null && this.isActive()) ||
(video.getAttribute("loop") !== null && !this.isActive())
)
this.updateToggleControls();
});
}).observe(video, { attributes: true, attributeFilter: ["loop"] });
},
addContextMenuListener() {
const video = document.querySelector("video");
video.addEventListener("contextmenu", () => {
setTimeout(() => {
const checkbox = document.querySelector("[role=menuitemcheckbox]");
checkbox.setAttribute("aria-checked", this.isActive());
checkbox.addEventListener("click", this.toggleLoopState);
}, 50);
});
},
handleSaveScreenshotClick(event) {
const button = event.currentTarget;
button.classList.add("clicked");
setTimeout(() => {
button.classList.remove("clicked");
}, buttonConfig.clickDuration);
const player = document.querySelector("video");
buttonUtils.captureScreenshot(player, "download");
},
handleCopyScreenshotClick(event) {
const button = event.currentTarget;
button.classList.add("clicked");
setTimeout(() => {
button.classList.remove("clicked");
}, buttonConfig.clickDuration);
const player = document.querySelector("video");
buttonUtils.captureScreenshot(player, "copy");
},
};
const shortsVideo = {
init() {
this.insertSaveScreenshotElement();
this.insertCopyScreenshotElement();
},
insertSaveScreenshotElement() {
const likeButtonContainer = document.querySelector(
"ytd-reel-video-renderer[is-active] #like-button"
);
if (
likeButtonContainer &&
!document.querySelector(".buttonLoopAndScreenshot-shorts-save-button")
) {
const iconDiv = document.createElement("div");
iconDiv.className = "buttonLoopAndScreenshot-shorts-save-button";
iconDiv.title = "Save Screenshot";
iconDiv.appendChild(iconUtils.createSaveScreenshotIcon(true));
likeButtonContainer.parentNode.insertBefore(
iconDiv,
likeButtonContainer
);
iconDiv.addEventListener("click", (event) => {
const button = event.currentTarget;
button.classList.add("clicked");
setTimeout(() => {
button.classList.remove("clicked");
}, buttonConfig.clickDuration);
this.captureScreenshot("download");
});
}
},
insertCopyScreenshotElement() {
const likeButtonContainer = document.querySelector(
"ytd-reel-video-renderer[is-active] #like-button"
);
const saveButton = document.querySelector(
".buttonLoopAndScreenshot-shorts-save-button"
);
if (
likeButtonContainer &&
!document.querySelector(".buttonLoopAndScreenshot-shorts-copy-button")
) {
const iconDiv = document.createElement("div");
iconDiv.className = "buttonLoopAndScreenshot-shorts-copy-button";
iconDiv.title = "Copy Screenshot to Clipboard";
iconDiv.appendChild(iconUtils.createCopyScreenshotIcon(true));
if (saveButton) {
saveButton.parentNode.insertBefore(iconDiv, saveButton.nextSibling);
} else {
likeButtonContainer.parentNode.insertBefore(
iconDiv,
likeButtonContainer
);
}
iconDiv.addEventListener("click", (event) => {
const button = event.currentTarget;
button.classList.add("clicked");
setTimeout(() => {
button.classList.remove("clicked");
}, buttonConfig.clickDuration);
this.captureScreenshot("copy");
});
}
},
captureScreenshot(action) {
const player = document.querySelector(
"ytd-reel-video-renderer[is-active] video"
);
buttonUtils.captureScreenshot(player, action);
},
};
const themeHandler = {
init() {
this.updateStyles();
this.addObserver();
},
updateStyles() {
const isDarkTheme = document.documentElement.hasAttribute("dark");
document.documentElement.classList.toggle("dark-theme", isDarkTheme);
},
addObserver() {
const observer = new MutationObserver(() => this.updateStyles());
observer.observe(document.documentElement, {
attributes: true,
attributeFilter: ["dark"],
});
},
};
function initialize() {
buttonUtils.addStyle(buttonCSS);
waitForVideo().then(initializeWhenReady);
}
function waitForVideo() {
return new Promise((resolve) => {
const checkVideo = () => {
if (document.querySelector("video")) {
resolve();
} else {
setTimeout(checkVideo, 100);
}
};
checkVideo();
});
}
function initializeWhenReady() {
initializeFeatures();
}
function initializeFeatures() {
regularVideo.init();
themeHandler.init();
initializeShortsFeatures();
}
function initializeShortsFeatures() {
if (window.location.pathname.includes("/shorts/")) {
setTimeout(shortsVideo.init.bind(shortsVideo), 500);
}
}
const keyboardShortcuts = {
init() {
document.addEventListener("keydown", this.handleKeyDown.bind(this));
},
handleKeyDown(event) {
if (!event.altKey) return;
if (event.key === "s" || event.key === "c" || event.key === "l") {
event.preventDefault();
event.stopPropagation();
}
switch (event.key.toLowerCase()) {
case "s":
this.triggerSaveScreenshot();
break;
case "c":
this.triggerCopyScreenshot();
break;
case "l":
this.triggerLoopToggle();
break;
}
},
triggerSaveScreenshot() {
if (window.location.pathname.includes("/shorts/")) {
const player = document.querySelector(
"ytd-reel-video-renderer[is-active] video"
);
if (player) {
buttonUtils.captureScreenshot(player, "download");
this.showShortcutFeedback("save");
}
} else {
const player = document.querySelector("video");
if (player) {
buttonUtils.captureScreenshot(player, "download");
this.showShortcutFeedback("save");
}
}
},
triggerCopyScreenshot() {
if (window.location.pathname.includes("/shorts/")) {
const player = document.querySelector(
"ytd-reel-video-renderer[is-active] video"
);
if (player) {
buttonUtils.captureScreenshot(player, "copy");
this.showShortcutFeedback("copy");
}
} else {
const player = document.querySelector("video");
if (player) {
buttonUtils.captureScreenshot(player, "copy");
this.showShortcutFeedback("copy");
}
}
},
triggerLoopToggle() {
if (!window.location.pathname.includes("/shorts/")) {
const video = document.querySelector("video");
if (video) {
video.loop = !video.loop;
if (video.loop) video.play();
regularVideo.updateToggleControls();
this.showShortcutFeedback("loop");
}
}
},
showShortcutFeedback(action) {
let button;
if (window.location.pathname.includes("/shorts/")) {
if (action === "save") {
button = document.querySelector(
".buttonLoopAndScreenshot-shorts-save-button"
);
} else if (action === "copy") {
button = document.querySelector(
".buttonLoopAndScreenshot-shorts-copy-button"
);
}
} else {
if (action === "save") {
button = document.querySelector(
".buttonLoopAndScreenshot-save-screenshot-button"
);
} else if (action === "copy") {
button = document.querySelector(
".buttonLoopAndScreenshot-copy-screenshot-button"
);
} else if (action === "loop") {
button = document.querySelector(
".buttonLoopAndScreenshot-loop-button"
);
}
}
if (button) {
button.classList.add("clicked");
setTimeout(() => {
button.classList.remove("clicked");
}, buttonConfig.clickDuration);
}
},
};
const shortsObserver = new MutationObserver((mutations) => {
for (let mutation of mutations) {
if (mutation.type === "childList") {
initializeShortsFeatures();
}
}
});
shortsObserver.observe(document.body, { childList: true, subtree: true });
window.addEventListener("yt-navigate-finish", initializeShortsFeatures);
document.addEventListener("yt-action", function (event) {
if (
event.detail &&
event.detail.actionName === "yt-reload-continuation-items-command"
) {
initializeShortsFeatures();
}
});
keyboardShortcuts.init();
initialize();
})();