Faircamp Playback Toggle

Use spacebar to toggle music playback in Faircamp based websites

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Greasemonkey 油猴子Violentmonkey 暴力猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Violentmonkey 暴力猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴Userscripts ,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey 篡改猴,才能安装此脚本。

您需要先安装一款用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         Faircamp Playback Toggle
// @namespace    https://openuserjs.org/users/burn
// @version      2025-07-22
// @description  Use spacebar to toggle music playback in Faircamp based websites
// @author       Burn
// @include      *://*
// @grant        none
// @license      MIT
// @copyright    2025, burn (https://openuserjs.org/users/burn)
// ==/UserScript==

(function() {
    'use strict';
    const DBG = false;

    let storeName = GM_info.script.name,
        myLog = (msg) => {
            DBG && console.log(storeName + " | " + msg);
        },
        qS = (el, scope) => {
            scope = (scope instanceof HTMLElement) ? scope : document;
            return scope.querySelector(el) || false;
        },
        qSAll = (els, scope) => {
            scope = (scope instanceof HTMLElement) ? scope : document;
            return scope.querySelectorAll(els) || false;
        },
        hidden, visibilityChange, state,
        tabFocused = (evt) => {
            myLog("tab has focus!");
            if (document !== evt.target) {
                myLog("warning, document not equal to document. it is ");
                myLog(evt.target); // should be document
            }
            if (evt.target.body !== document.activeElement) {
                myLog("warning, document.activeElement not equal to document.body. it is ");
                myLog(evt.target.body); // should be document.body
            }
        },
        elmTarget = qS("#content > div.docked_player > div.elements > button.playback");
    if (!elmTarget) {
        myLog('track 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) {
        myLog('document.hidden not found, exiting');
        return;
    }

    document.addEventListener(visibilityChange, (e) => {
        return (false === document[hidden]) && tabFocused(e);
    });
    window.addEventListener('keydown', (e) => {
        myLog("in keydown");
        if(e.key === " " && e.target === document.body) {
            myLog("keydown ok");
            e.preventDefault();
        }
    });
    qS('body').addEventListener("keyup", (e) => {
        myLog("in keyup");
        if (e.key === " " && e.target === document.body) {
            e.preventDefault();
            elmTarget.focus();
            elmTarget.click();
            elmTarget.blur();
            myLog("keyup ok");
        }
    });
})();