Press spacebar on Bandcamp to control music playback.
// ==UserScript==
// @name Bandcamp Toggle Playback With Spacebar
// @namespace https://openuserjs.org/users/burn
// @version 1.11.0
// @description Press spacebar on Bandcamp to control music playback.
// @author burn
// @copyright 2020, burn (https://openuserjs.org/users/burn)
// @license MIT
// @match https://*.bandcamp.com/*
// @include https://*.bandcamp.com/*
// @grant none
// @run-at document-end
// ==/UserScript==
// ==OpenUserJS==
// @author burn
// ==/OpenUserJS==
(function() {
'use strict';
const DBG = false;
let log = function(s) {
return (DBG && console.log(s));
},
qS = function(el, scope) {
scope = (typeof scope === 'object') ? scope : document;
return scope.querySelector(el) || false;
},
qSall = function(els, scope) {
scope = (typeof scope === 'object') ? scope : document;
return scope.querySelectorAll(els) || false;
},
hidden, visibilityChange, state,
tabFocused = function(evt) {
log("tab has focus!");
if (document !== evt.target) {
log("warning, document not equal to document. it is ");
log(evt.target); // should be document
}
if (evt.target.body !== document.activeElement) {
log("warning, document.activeElement not equal to document.body. it is ");
log(evt.target.body); // should be document.body
}
},
elmTarget = qS("#trackInfoInner > div.inline_player > table > tbody > tr:nth-child(1) > td.play_cell > a > div");
if (!elmTarget) {
log('main play button not found, exiting');
return;
}
if (typeof document.hidden !== "undefined") { // Opera 12.10 and Firefox 18 and later support
hidden = "hidden";
visibilityChange = "visibilitychange";
state = "visibilityState";
} else if (typeof document.mozHidden !== "undefined") {
hidden = "mozHidden";
visibilityChange = "mozvisibilitychange";
state = "mozVisibilityState";
} else if (typeof document.msHidden !== "undefined") {
hidden = "msHidden";
visibilityChange = "msvisibilitychange";
state = "msVisibilityState";
} else if (typeof document.webkitHidden !== "undefined") {
hidden = "webkitHidden";
visibilityChange = "webkitvisibilitychange";
state = "webkitVisibilityState";
}
if ('undefined' === typeof hidden) {
log('document.hidden not found, exiting');
return;
}
document.addEventListener(visibilityChange, function(e) {
return (false === document[hidden]) && tabFocused(e);
});
window.addEventListener('keydown', function(e) {
log("in keydown");
if(e.key === " " && e.target === document.body) {
log("keydown ok");
e.preventDefault();
}
});
qS('body').addEventListener("keyup", function(e) {
log("in keyup");
if (e.key === " " && e.target === document.body) {
e.preventDefault();
elmTarget.focus();
elmTarget.click();
elmTarget.blur();
log("keyup ok");
}
});
})();