Zooms in shared screens on scroll
// ==UserScript==
// @name ScrollZoomer
// @namespace https://greasyfork.org/en/scripts/536617-scrollzoomer
// @version 0.1
// @description Zooms in shared screens on scroll
// @author DonNadie
// @match https://meet.google.com/*
// @license MIT
// ==/UserScript==
class ScrollZoomer {
constructor() {
document.body.addEventListener("wheel", (event) => {
if (event.deltaY === 0) {
return;
}
if (event.deltaY > 0) {
this.zoomOut();
} else {
this.zoomIn();
}
});
}
zoomIn(secondAttempt) {
const button = this.getButton("Zoom in");
if (!button) {
if (this.enableZoomButtons() && !secondAttempt) {
setTimeout(() => {
this.zoomIn(true);
}, 400);
} else {
return;
}
}
button.click();
}
zoomOut(secondAttempt) {
const button = this.getButton("Zoom out");
if (!button) {
if (this.enableZoomButtons() && !secondAttempt) {
setTimeout(() => {
this.zoomOut(true);
}, 400);
} else {
return;
}
}
button.click();
}
enableZoomButtons() {
const button = this.getButton("Zoom");
if (!button) {
return false;
}
button.click();
return true;
}
getButton(text) {
const result = document.evaluate(`//div[text()="${text}"]`, document, null, XPathResult.ANY_TYPE, null);
if (!result) {
return null;
}
const match = result.iterateNext();
if (!match) {
return null;
}
return match.parentElement.querySelector('button');
}
}
new ScrollZoomer();