YouToolBox

A userscript with many utility functions!

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

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

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

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

您需要先安装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        YouToolBox
// @namespace   Violentmonkey Scripts
// @match       https://www.youtube.com/watch*
// @version     1.0
// @author      CodeOS99
// @description A userscript with many utility functions!
// @grant       none
// @license     MIT
// ==/UserScript==

(function () {
    'use strict';
    console.log("YTB Active!");

    // COLOURS
    const lightGray = '#A9A9A9';
    const darkRed = '#8B0000';
    const darkerRed = '#900C3F';

    let menuHeld = false; // if the menu is held
    let menuOx = 0, menuOy = 0; // menu offset x and y

    // Wait until the page is fully ready to add stuff
    window.addEventListener('load', () => {
        makeMenu(); // make the menu button initially
    });

    function makeMenu() {
        const style = document.createElement('style');
            style.textContent = `
                #main-menu button {
                    cursor: pointer !important;
                }`;
        document.head.appendChild(style);

        let div = document.createElement('div');
        div.id = "main-menu";
        Object.assign(div.style, {
            position: 'fixed',
            top: '80px',
            left: '20px',
            zIndex: 9999,
            display: 'flex',
            alignItems: 'center',
            gap: '1px',
            userSelect: 'none',
            flexDirection: 'column'
        });

        let mover = document.createElement('div');
        Object.assign(mover.style, {
            width: '50px',
            height: '50px',
            backgroundColor: '#444',  // make it visible
            marginLeft: '10px',
            borderRadius: '8px',
            display: 'flex',
            alignItems: 'center',
            justifyContent: 'center',
            color: '#fff',
            fontWeight: 'bold',
            fontFamily: 'sans-serif',
            cursor: 'move',
        });
        mover.textContent = 'Move';

        let main_menu_btn = document.createElement('button');
        main_menu_btn.id = 'main-menu-btn'

        main_menu_btn.textContent = 'Show menu?';

        Object.assign(main_menu_btn.style, {
            top: '80px',
            left: '20px',
            zIndex: 9999,
            padding: '10px',
            fontSize: '14px',
            background: '#f33',
            color: '#fff',
            border: 'none',
            borderRadius: '4px',
        });

        let topMenuDiv = document.createElement('div');
        Object.assign(topMenuDiv.style, {
            width: '200px',
            height: '50px',
            backgroundColor: '#444',  // make it visible
            marginLeft: '10px',
            borderRadius: '8px',
            display: 'none',
            alignItems: 'center',
            justifyContent: 'center',
            color: '#fff',
            fontWeight: 'bold',
            fontFamily: 'sans-serif',
        });

        let closeMenuBtn = document.createElement('button');
        closeMenuBtn.innerText = "X"
        Object.assign(closeMenuBtn.style, {
            top: '20px',
            left: '20px',
            width: '20px',
            zIndex: 9999,
            marginLeft: '10px',
            fontSize: '14px',
            background: 'red',
            color: '#fff',
            border: 'none',
            borderRadius: '4px',
            fontSize: '10px',
        });

        let noteModeButton = document.createElement('button');
        noteModeButton.innerText = "NOTES"
        Object.assign(noteModeButton.style, {
            top: '80px',
            left: '20px',
            width: '50px',
            zIndex: 9999,
            marginLeft: '10px',
            fontSize: '14px',
            background: lightGray,
            color: '#fff',
            border: 'none',
            borderRadius: '4px',
            fontSize: '10px',
        });

        let calculatorModeBtn = document.createElement('button');
        calculatorModeBtn.innerText = "CALC."
        Object.assign(calculatorModeBtn.style, {
            top: '80px',
            left: '20px',
            width: '50px',
            zIndex: 9999,
            marginLeft: '10px',
            marginRight: '10px',
            fontSize: '14px',
            background: lightGray,
            color: '#fff',
            border: 'none',
            borderRadius: '4px',
            fontSize: '10px'
        });

        let quickSettingsModeBtn = document.createElement('button');
        quickSettingsModeBtn.innerText = "SETTINGS"
        Object.assign(quickSettingsModeBtn.style, {
            top: '80px',
            left: '20px',
            width: '50px',
            zIndex: 9999,
            marginLeft: '10px',
            fontSize: '14px',
            background: lightGray,
            color: '#fff',
            border: 'none',
            borderRadius: '4px',
            fontSize: '10px'
        });

        topMenuDiv.appendChild(closeMenuBtn);
        topMenuDiv.appendChild(quickSettingsModeBtn);
        topMenuDiv.appendChild(noteModeButton);
        topMenuDiv.appendChild(calculatorModeBtn);

        let menuBtns = [noteModeButton, calculatorModeBtn, quickSettingsModeBtn];
        menuBtns.forEach(btn => {
            btn.onmouseenter = () => {
                btn.style.backgroundColor = 'gray';
            }

            btn.onmouseleave = () => {
                btn.style.backgroundColor = lightGray;
            }

            btn.onmousedown = () => {
                btn.style.backgroundColor = 'black'
            }
        });

        noteModeButton.onmouseup = () => {
            noteInput.style.display = 'block';
            calculatorDiv.style.display = 'none';
            quickSettingsDiv.style.display = 'none';
        }

        closeMenuBtn.onmouseover = () => {
            closeMenuBtn.style.backgroundColor = darkRed;
        };            
        closeMenuBtn.onmouseleave = () => {
            closeMenuBtn.style.backgroundColor = 'red';
        };
        closeMenuBtn.onmouseup = () => {
            closeMenuBtn.style.backgroundColor = darkerRed;
            bottomMenuDiv.style.display = 'none';
            topMenuDiv.style.display = 'none';

            main_menu_btn.style.display = 'block';

            btn.style.backgroundColor = lightGray;
        }

        let bottomMenuDiv = document.createElement('div');        
        Object.assign(bottomMenuDiv.style, {
            width: '200px',
            height: '50px',
            backgroundColor: '#444',
            marginLeft: '10px',
            borderRadius: '8px',
            display: 'none',
            alignItems: 'center',
            justifyContent: 'center',
            color: '#fff',
            fontWeight: 'bold',
            fontFamily: 'sans-serif',
            resize: 'both',
            overflow: 'auto'
        });

        let noteInput = document.createElement('textarea');
        noteInput.value = localStorage.getItem('ytb_notes') || '';
        noteInput.addEventListener('input', () => {
            localStorage.setItem('ytb_notes', noteInput.value);
        });
        noteInput.style.display = 'none';

        const buttonLabels = [
            '7', '8', '9', '/',
            '4', '5', '6', '*',
            '1', '2', '3', '-',
            '0', '.', '=', '+',
            'CLR', 'DEL', '(', ')',
        ];
        let calculatorBtns = [];

        let calculatorExpr = '';

        let calculatorDiv = document.createElement('div');
        Object.assign(calculatorDiv.style, {
            display: 'none',
            alignItems: 'center',
            justifyContent: 'center',
        });

        let calcExprH1 = document.createElement('h1');
        calcExprH1.innerText = "0";
        Object.assign(calcExprH1.style, {
            backgroundColor: 'gray',
            borderRadius: '5px',
        })

        calculatorDiv.appendChild(calcExprH1);

        let calculatorBtnDiv = document.createElement('div');
        Object.assign(calculatorBtnDiv.style, {
            display: 'grid',
            gridTemplateColumns: 'repeat(4, 50px)',
            gap: '6px',
            padding: '10px',
            justifyContent: 'center',
            alignItems: 'center'
        });

        calculatorDiv.appendChild(calculatorBtnDiv);

        bottomMenuDiv.appendChild(calculatorDiv);

        for (let i = 0; i < buttonLabels.length; i++) {
            let btn  = document.createElement('button');
            btn.innerText = buttonLabels[i];

            Object.assign(btn.style, {
                backgroundColor: lightGray,
                color: 'white',
                border: 'none',
                borderRadius: '5px',
                padding: '15px',
                fontSize: '16px',
                cursor: 'pointer',
                width: '50px',
                height: '50px',
            });

            btn.onmouseenter = () => {
                btn.style.backgroundColor = 'gray';
            }

            btn.onmouseleave = () => {
                btn.style.backgroundColor = lightGray;
            }

            btn.onmousedown = () => {
                btn.style.backgroundColor = 'black'
            }

            btn.onmouseup = () => {
                btn.style.backgroundColor = lightGray;
                updateCalcExpr(buttonLabels[i]);
            }

            calculatorBtnDiv.appendChild(btn);

            calculatorBtns.push(btn);
        }

        function updateCalcExpr(val) {
            if(val !== 'CLR' && val !== 'DEL' && val !== '=') {
                if(calculatorExpr !== '0') calculatorExpr += val;
                else calculatorExpr = val;
            }
            else if(val === 'CLR') calculatorExpr = '0';
            else if(val === 'DEL') {
                calculatorExpr = calculatorExpr.substring(0, calculatorExpr.length-1)
                if(calculatorExpr === '') {
                    calculatorExpr = '0';
                }
            }
            else if(val === '=') {
                if(!'+-/*.'.includes(calculatorExpr[calculatorExpr.length - 1])) {
                    try {
                        calculatorExpr = eval(calculatorExpr).toString();
                    } catch(e) {
                        alert("You made an error in the expression!");
                        calculatorExpr = '0';
                    }
                }
            }

            calcExprH1.innerText = calculatorExpr;
        }

        let showCalculator = () => {
            calculatorDiv.style.display = 'flex'
            quickSettingsDiv.style.display = 'none';
            noteInput.style.display = 'none';
        }

        bottomMenuDiv.appendChild(noteInput);

        calculatorModeBtn.onmousedown = () => {
            calculatorModeBtn.style.backgroundColor = 'black';
            showCalculator();
        }

        let quickSettingsDiv = document.createElement('div');
        
        const layout = [0.5, 0.75, 1, 1.25, 1.5,
                        144, 240, 360, 480, 720
        ];

        Object.assign(quickSettingsDiv.style, {
            display: 'grid',
            gridTemplateColumns: 'repeat(5, 1fr)', // Equal size columns
            gap: '6px',
            padding: '10px',
            justifyContent: 'center',
            alignItems: 'center',
        });


        for(let btnSpec of layout) {
            let btn = document.createElement('button');
            if(btnSpec <= 1.5) {
                if(btnSpec < 1)
                    btn.innerText = `x${btnSpec} 🐌`
                else if(btnSpec == 1)
                    btn.innerText = `x${btnSpec} 🐍`
                else
                    btn.innerText = `x${btnSpec} 🐇`

                btn.onmouseup = () => {
                    let player = document.querySelector('video');
                    player.playbackRate = btnSpec;
                    btn.style.backgroundColor = lightGray;
                }
            } else {
                btn.innerText = `${btnSpec}p`
                btn.onclick = () => {
                    // Video quality
                    let qualityMap = {
                        144: 'tiny',
                        240: 'small',
                        360: 'medium',
                        480: 'large',
                        720: 'hd720',
                    };
                    setQuality(qualityMap[btnSpec]);
                }
            }
            Object.assign(btn.style, {
                padding: '10px',
                fontSize: '14px',
                backgroundColor: lightGray,
                color: '#fff',
                border: 'none',
                borderRadius: '4px',
                cursor: 'pointer',
                width: '80px', 
            });

            btn.onmouseenter = () => {
                btn.style.backgroundColor = 'gray';
            }

            btn.onmouseleave = () => {
                btn.style.backgroundColor = lightGray;
            }

            btn.onmousedown = () => {
                btn.style.backgroundColor = 'black'
            }

            quickSettingsDiv.appendChild(btn);
        }

        function setQuality(qualityLabel) {
            const player = document.getElementById('movie_player');
            if (player && player.setPlaybackQualityRange) {
                player.setPlaybackQualityRange(qualityLabel);
                player.setPlaybackQuality(qualityLabel);
            }
        }

        function showQuickSettings() {
            quickSettingsDiv.style.display = 'grid';
            calculatorDiv.style.display = 'none';
            noteInput.style.display = 'none';
        }

        quickSettingsModeBtn.onmouseup = () => {
            showQuickSettings();
        }

        bottomMenuDiv.appendChild(quickSettingsDiv);

        mover.onmousedown = (e) => {
            if(!menuHeld) {
                menuHeld = true;
                menuOx = e.clientX - div.offsetLeft;
                menuOy = e.clientY - div.offsetTop;
                document.body.style.userSelect = 'none';
            }
        }

        document.onmouseup = () => { // add the event listener to the body because there is a possibility for the mouse to move away from the button
            menuHeld = false;
        }

        document.onmousemove = (e) => {
            if(menuHeld) {
                div.style.left = (e.clientX - menuOx) + 'px';
                div.style.top = (e.clientY - menuOy) + 'px';
            }
        }

        main_menu_btn.onclick = () => {
            main_menu_btn.style.display = 'none';

            topMenuDiv.style.display = 'flex';
            bottomMenuDiv.style.display = 'flex';
        };

        div.appendChild(mover);
        div.appendChild(main_menu_btn);

        div.appendChild(topMenuDiv);
        div.appendChild(bottomMenuDiv);

        document.body.appendChild(div);
    }
})();