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scroll up and down buttons

Add up/down navigation buttons with a settings panel (timer & transparency).

À partir de 2025-10-23. Voir la dernière version.

Vous devrez installer une extension telle que Tampermonkey, Greasemonkey ou Violentmonkey pour installer ce script.

Vous devrez installer une extension telle que Tampermonkey ou Violentmonkey pour installer ce script.

Vous devrez installer une extension telle que Tampermonkey ou Violentmonkey pour installer ce script.

Vous devrez installer une extension telle que Tampermonkey ou Userscripts pour installer ce script.

Vous devrez installer une extension telle que Tampermonkey pour installer ce script.

Vous devrez installer une extension de gestionnaire de script utilisateur pour installer ce script.

(J'ai déjà un gestionnaire de scripts utilisateur, laissez-moi l'installer !)

Vous devrez installer une extension telle que Stylus pour installer ce style.

Vous devrez installer une extension telle que Stylus pour installer ce style.

Vous devrez installer une extension telle que Stylus pour installer ce style.

Vous devrez installer une extension du gestionnaire de style pour utilisateur pour installer ce style.

Vous devrez installer une extension du gestionnaire de style pour utilisateur pour installer ce style.

Vous devrez installer une extension du gestionnaire de style pour utilisateur pour installer ce style.

(J'ai déjà un gestionnaire de style utilisateur, laissez-moi l'installer!)

// ==UserScript==
// @name         scroll up and down buttons
// @namespace    http://tampermonkey.net/
// @version      1.6.1
// @description  Add up/down navigation buttons with a settings panel (timer & transparency).
// @author       the pie stealer
// @match        *://*/*
// @grant        none
// @license      Apache 2.0
// ==/UserScript==

(function () {
    'use strict';

    if (window.top !== window.self) return;
    if (document.body && document.body.children.length === 1) {
        const onlyChild = document.body.children[0];
        const tag = onlyChild.tagName.toLowerCase();
        if (['img', 'video', 'audio', 'embed', 'object'].includes(tag)) return;
    }

    let scrollAnimationId = null;
    let isTemporarilyHidden = false;

    function smoothScrollTo(targetY) {
        if (scrollAnimationId) cancelAnimationFrame(scrollAnimationId);

        const startY = window.scrollY;
        const distance = targetY - startY;
        const duration = 1000;
        const startTime = performance.now();

        function step(currentTime) {
            const elapsed = currentTime - startTime;
            const progress = Math.min(elapsed / duration, 1);
            const ease = progress < 0.5
                ? 2 * progress * progress
                : -1 + (4 - 2 * progress) * progress;

            window.scrollTo(0, startY + distance * ease);

            if (progress < 1) {
                scrollAnimationId = requestAnimationFrame(step);
            } else {
                scrollAnimationId = null;
            }
        }

        scrollAnimationId = requestAnimationFrame(step);
    }

    function stopScroll() {
        if (scrollAnimationId) {
            cancelAnimationFrame(scrollAnimationId);
            scrollAnimationId = null;
        }
    }

    ['mousedown', 'wheel', 'touchstart', 'keydown'].forEach(evt => {
        window.addEventListener(evt, stopScroll, { passive: true });
    });

    const style = document.createElement('style');
    style.textContent = `
        .tm-scroll-container {
            position: fixed;
            bottom: 10px;
            right: 10px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            z-index: 9999999;
            pointer-events: auto;
            align-items: center;
        }

        .tm-scroll-btn {
            width: 40px;
            height: 40px;
            padding: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border: none;
            cursor: pointer;
            box-shadow: 0 2px 6px rgba(0,0,0,0.3);
            transition: background-color 0.2s, opacity 0.2s;
            color: white;
            font-size: 16px;
        }

        .tm-settings-btn {
            width: 25px;
            height: 25px;
            font-size: 13px;
            padding: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border: none;
            cursor: pointer;
            box-shadow: 0 2px 6px rgba(0,0,0,0.3);
            transition: background-color 0.2s, opacity 0.2s;
            color: white;
        }

        .tm-scroll-btn { background-color: #333; border-radius: 6px; }
        .tm-settings-btn { background-color: #000; border-radius: 50%; font-size: 20px; }
        .tm-scroll-btn.transparent, .tm-settings-btn.transparent { opacity: 0.1; }

        .tm-settings-panel {
            display: none;
            position: fixed;
            bottom: 110px;
            right: 10px;
            width: 250px;
            background-color: #3a3a3a;
            color: #f0f0f0;
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.4);
            z-index: 10000000;
            border: 1px solid #555;
        }
        .tm-settings-panel hr { border: none; border-top: 1px solid #555; margin: 15px 0; }
        .tm-settings-panel-header {
            display: flex; justify-content: space-between; align-items: center;
            margin-bottom: 15px; font-size: 16px; font-weight: bold;
        }
        .tm-settings-panel-close {
            background: none; border: none; color: #f0f0f0; font-size: 24px;
            cursor: pointer; line-height: 1; padding: 0 5px;
        }
        .tm-settings-panel-content .setting { display: flex; flex-direction: column; gap: 8px; }
        .tm-settings-panel-content .setting-row { display: flex; justify-content: space-between; align-items: center; }
        .tm-settings-panel-content label { font-size: 14px; }
        .tm-settings-panel-content input[type="text"] {
            padding: 8px; border-radius: 4px; border: 1px solid #777;
            background-color: #2c2c2c; color: white; font-family: monospace;
        }
        .tm-settings-panel-content input.error { border-color: #e57373; }
        .tm-settings-panel-content button {
            margin-top: 5px; padding: 8px 12px; border-radius: 4px; border: none;
            cursor: pointer; background-color: #1a73e8; color: white; font-weight: bold;
        }

        .tm-settings-panel input::placeholder {
    color: #E6858A;
}

        .toggle-switch { position: relative; display: inline-block; width: 50px; height: 26px; }
        .toggle-switch input { opacity: 0; width: 0; height: 0; }
        .slider {
            position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0;
            background-color: #666; transition: .3s; border-radius: 26px;
        }
        .slider:before {
            position: absolute; content: ""; height: 18px; width: 18px; left: 4px; bottom: 4px;
            background-color: white; transition: .3s; border-radius: 50%;
        }
        input:checked + .slider { background-color: #1a73e8; }
        input:checked + .slider:before { transform: translateX(24px); }
    `;
    document.head.appendChild(style);

    const container = document.createElement('div');
    container.className = 'tm-scroll-container';

    const settingsBtn = document.createElement('button');
    settingsBtn.className = 'tm-settings-btn';
    settingsBtn.title = 'Open Settings';
    settingsBtn.innerHTML = '⚙️';

    const upBtn = document.createElement('button');
    upBtn.className = 'tm-scroll-btn';
    upBtn.textContent = '▲';
    upBtn.title = 'Scroll to top';
    upBtn.onclick = () => smoothScrollTo(0);

    const downBtn = document.createElement('button');
    downBtn.className = 'tm-scroll-btn';
    downBtn.textContent = '▼';
    downBtn.title = 'Scroll to bottom';
    downBtn.onclick = () => smoothScrollTo(document.documentElement.scrollHeight || document.body.scrollHeight);

    container.appendChild(settingsBtn);
    container.appendChild(upBtn);
    container.appendChild(downBtn);
    document.body.appendChild(container);

    const settingsPanel = document.createElement('div');
    settingsPanel.className = 'tm-settings-panel';
    settingsPanel.innerHTML = `
        <div class="tm-settings-panel-header">
            <span>Settings</span>
            <button class="tm-settings-panel-close" title="Close">&times;</button>
        </div>
        <div class="tm-settings-panel-content">
            <div class="setting">
                <div class="setting-row">
                     <label for="tm-transparency-toggle">Make buttons transparent</label>
                     <label class="toggle-switch">
                         <input type="checkbox" id="tm-transparency-toggle">
                         <span class="slider"></span>
                    </label>
                </div>
            </div>
            <hr>
            <div class="setting">
                <label for="tm-hide-timer-input">Hide buttons temporarily</label>
                <input type="text" id="tm-hide-timer-input" placeholder="HH-MM-SS" class="tm-hide-timer-input-text-color">
                <button id="tm-start-hide-timer">Start Timer</button>
            </div>
        </div>
    `;
    document.body.appendChild(settingsPanel);

    const closeSettingsBtn = settingsPanel.querySelector('.tm-settings-panel-close');
    const hideTimerInput = document.getElementById('tm-hide-timer-input');
    const startHideTimerBtn = document.getElementById('tm-start-hide-timer');
    const transparencyToggle = document.getElementById('tm-transparency-toggle');

    settingsBtn.addEventListener('click', () => {
        settingsPanel.style.display = settingsPanel.style.display === 'block' ? 'none' : 'block';
    });

    closeSettingsBtn.addEventListener('click', () => {
        settingsPanel.style.display = 'none';
    });

    startHideTimerBtn.addEventListener('click', () => {
        const timeValue = hideTimerInput.value;
        const timePattern = /^(\d+)-(\d{1,2})-(\d{1,2})$/;
        const match = timeValue.match(timePattern);

        hideTimerInput.classList.remove('error');

        if (!match || parseInt(match[2], 10) >= 60 || parseInt(match[3], 10) >= 60) {
            hideTimerInput.classList.add('error');
            return;
        }

        const [ , hours, minutes, seconds] = match.map(Number);
        const totalMilliseconds = (hours * 3600 + minutes * 60 + seconds) * 1000;

        if (totalMilliseconds > 0) {
            isTemporarilyHidden = true;
            container.remove();
            settingsPanel.remove();
            style.remove();
            hideTimerInput.value = '';

            setTimeout(() => {
                isTemporarilyHidden = false;

                if (document.head) {
                    document.head.appendChild(style);
                }
                if (document.body) {
                    document.body.appendChild(container);
                    document.body.appendChild(settingsPanel);
                }

                settingsPanel.style.display = 'none';
                container.style.display = document.fullscreenElement ? 'none' : 'flex';
            }, totalMilliseconds);
        }
    });

    const STORAGE_KEY = 'tm_scroll_transparent_v1';
    const buttonsToMakeTransparent = [upBtn, downBtn, settingsBtn];

    function applyTransparencyState(state) {
        transparencyToggle.checked = state;
        buttonsToMakeTransparent.forEach(btn => {
            state ? btn.classList.add('transparent') : btn.classList.remove('transparent');
        });

        try {
            localStorage.setItem(STORAGE_KEY, state ? '1' : '0');
        } catch (e) { /* ignore storage errors */ }
    }

    transparencyToggle.addEventListener('change', () => {
        applyTransparencyState(transparencyToggle.checked);
    });

    try {
        const savedState = localStorage.getItem(STORAGE_KEY);
        applyTransparencyState(savedState === '1');
    } catch (e) { /* ignore storage errors */ }

    document.addEventListener('fullscreenchange', () => {
        container.style.display = document.fullscreenElement ? 'none' : 'flex';
    });

    const observer = new MutationObserver(() => {
        if (isTemporarilyHidden) return;

        if (!document.head || document.head.contains(style) === false) {
            if (document.head) {
                document.head.appendChild(style);
            }
        }

        if (!document.body || document.body.contains(container) === false) {
            if (document.body) {
                document.body.appendChild(container);
                document.body.appendChild(settingsPanel);
            }
        }
    });
    observer.observe(document.documentElement || document, { childList: true, subtree: true });
})();