Faircamp Playback Toggle

Use spacebar to toggle music playback in Faircamp based websites

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==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");
        }
    });
})();