Initial commit

bbb-volume-slider.user.js

+// ==UserScript==
+// @name         BBB Volume Slider
+// @website      https://code.fbi.h-da.de/istddmue2/bbb-volume-slider-userscript
+// @version      0.1
+// @description  Adds a volume slider
+// @author       Daniel Müller
+// @match        https://*.h-da.de/html5client/join*
+// @grant        none
+// ==/UserScript==
+
+(function() {
+    'use strict';
+
+    // Check if the volume slider exists
+    if (document.getElementById("vs-container") != null) return;
+
+    // Create the container
+    let vsc = document.createElement("div")
+    vsc.id = "vs-container"
+    vsc.style.position = "absolute"
+    vsc.style.top = "20px"
+    vsc.style.right = "75px"
+
+    // Create the actual slider
+    let vs = document.createElement("input")
+    vs.type = "range"
+    vs.min = 1
+    vs.max = 100
+    vs.value = 100
+
+    vs.oninput = function() {
+        document.getElementById("remote-media").volume = Math.pow(this.value / 100.0, 2)
+    }
+
+    vsc.append(vs)
+    document.body.appendChild(vsc)
+
+})();