Threads-Volume

Set your Threads videos default volumes

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Threads-Volume
// @namespace    threadsVolume
// @version      1.3.0
// @description  Set your Threads videos default volumes
// @description:zh-TW 設定 Threads 的音量
// @description:zh-CN 设定 Threads 的音量
// @author       Lin_tsen
// @match        *://*.threads.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=threads.net
// @grant        none
// @license      MIT
// ==/UserScript==

console.log("threadsVolumeCustomize");

window.addEventListener('load', () => {
    if (!localStorage.getItem('defaultVolume')) {
        localStorage.setItem('defaultVolume', 0.2);
    }

    const findVolumeDiv = () => {
        const targetElement = document.querySelector('header') || document.body;
        if (!targetElement) return;

        const volumeDiv = document.createElement('div');
        volumeDiv.id = 'volumeDiv';
        volumeDiv.style.display = 'flex';
        volumeDiv.style.alignItems = 'center';
        volumeDiv.style.justifyContent = 'space-between';
        volumeDiv.style.padding = '8px 12px';
        volumeDiv.style.borderRadius = '8px';
        volumeDiv.style.cursor = 'pointer';
        volumeDiv.style.position = 'fixed';
        volumeDiv.style.top = '10px';
        volumeDiv.style.right = '10px';
        volumeDiv.style.zIndex = '9999';
        volumeDiv.style.backgroundColor = 'rgba(0,0,0,0.5)';
        volumeDiv.style.maxHeight = '3vh';
        volumeDiv.style.color = 'white'; // 數字白色,無背景

        const volumeTextContainer = document.createElement('div');
        volumeTextContainer.style.overflow = 'hidden';

        const volumeText = document.createElement('span');
        volumeText.id = 'volumeText';
        volumeText.style.paddingLeft = '10px';
        volumeText.textContent = 'Volume';

        const volumeSelectorContainer = document.createElement('div');
        volumeSelectorContainer.style.display = 'flex';
        volumeSelectorContainer.style.alignItems = 'center';

        const volumeSelectorText = document.createElement('span');
        volumeSelectorText.textContent = Math.round(localStorage.getItem('defaultVolume') * 100 || 20); // 顯示整數
        volumeSelectorText.style.marginLeft = '10px';
        volumeSelectorText.style.fontSize = '14px';
        volumeSelectorText.style.minWidth = '30px'; // 保持寬度一致
        volumeSelectorText.style.textAlign = 'center';

        const volumeSelectorInput = document.createElement('input');
        volumeSelectorInput.type = 'range';
        volumeSelectorInput.value = localStorage.getItem('defaultVolume') * 100 || 20;
        volumeSelectorInput.min = 0;
        volumeSelectorInput.max = 100;
        volumeSelectorInput.step = 1; // 只顯示整數
        volumeSelectorInput.style.display = 'none';
        volumeSelectorInput.style.cursor = 'ew-resize';
        volumeSelectorInput.style.width = '100px'; // 滑桿寬度

        volumeSelectorInput.addEventListener('input', () => {
            let volumeValue = Math.round(volumeSelectorInput.value); // 取整數
            volumeSelectorText.textContent = volumeValue;
            localStorage.setItem('defaultVolume', volumeValue / 100);
        });

        // hover 效果
        volumeDiv.addEventListener('mouseenter', () => {
            volumeDiv.style.backgroundColor = '#1A1A1A';
            volumeText.style.color = 'white';
        });
        volumeDiv.addEventListener('mouseleave', () => {
            volumeDiv.style.backgroundColor = 'rgba(0,0,0,0.5)';
            volumeText.style.color = '';
        });

        let showVolumeSlider = false;
        volumeDiv.addEventListener('click', (event) => {
            event.stopPropagation();
            showVolumeSlider = !showVolumeSlider;
            volumeSelectorInput.style.display = showVolumeSlider ? 'block' : 'none';
        });

        volumeSelectorContainer.appendChild(volumeSelectorText);
        volumeSelectorContainer.appendChild(volumeSelectorInput);

        volumeDiv.appendChild(volumeTextContainer);
        volumeDiv.appendChild(volumeSelectorContainer);
        volumeTextContainer.appendChild(volumeText);

        targetElement.appendChild(volumeDiv);
    };

    setInterval(() => {
        if (!document.getElementById('volumeDiv')) {
            findVolumeDiv();
        }
    }, 1000);

    const setVolumeForVideos = () => {
        const defaultVolume = parseFloat(localStorage.getItem('defaultVolume'));
        const videos = document.getElementsByTagName('video');
        for (let i = 0; i < videos.length; i++) {
            videos[i].volume = defaultVolume;
        }
    };

    setVolumeForVideos();

    new MutationObserver(() => {
        setVolumeForVideos();
    }).observe(document.body, { childList: true, subtree: true });

});


//"I never sleep today, I sleep tomorrow"