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A subtle volume slider for Bandcamp sites
// ==UserScript==
// @namespace raina
// @name Bandcamp Volume Slider
// @author raina
// @description A subtle volume slider for Bandcamp sites
// @version 0.2
// @include /^https?:\/\//
// @run-at document-end
// @grant none
// ==/UserScript==
window.self === window.top && window.siteroot && "https://bandcamp.com" == window.siteroot && (function() {
const progbar_empty = document.querySelector('.progbar_empty');
const progbar_fill = document.querySelector('.progbar_fill');
const thumb = document.querySelector('.progbar .thumb');
const style = document.createElement("style");
style.textContent = `
#volume_cell {
vertical-align: middle;
}
#volume_ctrl {
-moz-appearance: none;
-webkit-appearance: none;
background-color: ${getComputedStyle(progbar_empty).getPropertyValue("background-color")};
background-image: linear-gradient(${getComputedStyle(progbar_fill).getPropertyValue("background-color")}, ${getComputedStyle(progbar_fill).getPropertyValue("background-color")});
background-repeat: repeat-y;
border: ${getComputedStyle(progbar_empty).getPropertyValue("border-top-color")} 1px solid;
height: 8px;
width: 45px;
}
#volume_ctrl::-webkit-slider-thumb,
#volume_ctrl::-moz-range-thumb {
-moz-appearance: none;
-webkit-appearance: none;
background: ${getComputedStyle(thumb).getPropertyValue("background-color")};
box-shadow: ${getComputedStyle(thumb).getPropertyValue("border-top-color")} 0 0 0 1px inset;
border: none;
border-radius: 1px;
height: 12px;
width: 20px;
}
`;
document.head.appendChild(style);
const player_title = document.querySelector('.track_cell');
const volume_cell = document.createElement("td");
volume_cell.id = "volume_cell";
volume_cell.setAttribute("colspan", 2);
const volume_ctrl = document.createElement("input");
volume_ctrl.id = "volume_ctrl";
volume_ctrl.type = "range";
volume_ctrl.min = 0;
volume_ctrl.max = 100;
volume_ctrl.step = 10;
volume_ctrl.value = 70;
volume_ctrl.addEventListener("input", ev => {
volume_ctrl.style.backgroundSize = parseInt(volume_ctrl.value, 10) + "%";
volume_ctrl.style.backgroundSize = parseInt(ev.target.value, 10) + "%";
[].forEach.call(document.querySelectorAll("audio"), track => {
track.volume = parseInt(ev.target.value, 10) / 100;
});
});
volume_cell.appendChild(volume_ctrl);
player_title.removeAttribute("colspan");
player_title.parentElement.appendChild(volume_cell);
document.addEventListener("load", ev => console.log("moo"));
}());