Twitter 隐藏图片

调整 Twitter 图片的透明度。

当前为 2020-06-04 提交的版本,查看 最新版本

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                Twitter: Hide Image
// @name:zh-TW          Twitter 隱藏圖片
// @name:zh-CN          Twitter 隐藏图片
// @name:ja             Twitter 画像を非表示
// @name:ko             Twitter 이미지 숨기기
// @name:ru             Twitter Скрыть изображение
// @version             1.0.5
// @description         Make Twitter Images Opacity Lower.
// @description:zh-TW   調整 Twitter 圖片的透明度。
// @description:zh-CN   调整 Twitter 图片的透明度。
// @description:ja      Twitter 画像の不透明度を低くします。
// @description:ko      Twitter 이미지 불투명도를 낮추십시오.
// @description:ru      Уменьшите непрозрачность изображений в Twitter.
// @author              Hayao-Gai
// @namespace           https://github.com/HayaoGai
// @icon                https://i.imgur.com/M9oO8K9.png
// @match               https://twitter.com/*
// @grant               GM_getValue
// @grant               GM_setValue
// ==/UserScript==

/* jshint esversion: 6 */

(function() {
    'use strict';

    // icons made by https://www.flaticon.com/authors/pixel-perfect
    const iconOn = `<svg width="35" height="35" viewBox="0 -107 512 512"><path d="m362.667969 298.667969h-213.335938c-82.34375 0-149.332031-67.007813-149.332031-149.335938 0-82.324219 66.988281-149.332031 149.332031-149.332031h213.335938c82.34375 0 149.332031 67.007812 149.332031 149.332031 0 82.328125-66.988281 149.335938-149.332031 149.335938zm-213.335938-266.667969c-64.703125 0-117.332031 52.652344-117.332031 117.332031 0 64.683594 52.628906 117.335938 117.332031 117.335938h213.335938c64.703125 0 117.332031-52.652344 117.332031-117.335938 0-64.679687-52.628906-117.332031-117.332031-117.332031zm0 0"/><path d="m362.667969 234.667969c-47.0625 0-85.335938-38.273438-85.335938-85.335938 0-47.058593 38.273438-85.332031 85.335938-85.332031 47.058593 0 85.332031 38.273438 85.332031 85.332031 0 47.0625-38.273438 85.335938-85.332031 85.335938zm0-138.667969c-29.398438 0-53.335938 23.914062-53.335938 53.332031 0 29.421875 23.9375 53.335938 53.335938 53.335938 29.394531 0 53.332031-23.914063 53.332031-53.335938 0-29.417969-23.9375-53.332031-53.332031-53.332031zm0 0"/></svg>`;
    const iconOff = `<svg width="35" height="35" viewBox="0 -107 512 512"><path d="m362.667969 0h-213.335938c-82.324219 0-149.332031 66.988281-149.332031 149.332031 0 82.347657 67.007812 149.335938 149.332031 149.335938h213.335938c82.324219 0 149.332031-66.988281 149.332031-149.335938 0-82.34375-67.007812-149.332031-149.332031-149.332031zm-213.335938 234.667969c-47.058593 0-85.332031-38.273438-85.332031-85.335938 0-47.058593 38.273438-85.332031 85.332031-85.332031 47.0625 0 85.335938 38.273438 85.335938 85.332031 0 47.0625-38.273438 85.335938-85.335938 85.335938zm0 0"/></svg>`;
    const textStyle = `
.hide-set {
    transition: opacity 0.3s;
    opacity: 0.1;
}
.show-set {
    opacity: 1 !important;
}
.icon-set {
    position: absolute;
    transition: opacity 0.3s;
}
.toggle-off-set {
    opacity: 0 !important;
}`;
    const colors = ["r-13gxpu9", "r-61mi1v", "r-daml9f", "r-xfsgu1", "r-1qkqhnw", "r-nw8l94"];
    let currentUrl = document.location.href;
    let updating = false;

    css();

    init(10);

    locationChange();

    window.addEventListener("scroll", update);

    function init(times) {
        for (let i = 0; i < times; i++) {
            setTimeout(addToggle, 500 * i);
            setTimeout(sortToggle, 500 * i);
            setTimeout(findImage, 500 * i);
            setTimeout(removeBlock, 500 * i);
            setTimeout(showImage, 500 * i);
        }
    }

    // toggle
    function addToggle() {
        // exist
        if (!!document.querySelector(".toggle-set")) return;
        // check
        const panel = document.querySelector(".r-1awozwy.r-1h3ijdo.r-1777fci") || document.querySelector(".r-18u37iz.r-1ye8kvj");
        if (!panel) return;
        // create
        const div1 = document.createElement("div");
        div1.className = "css-1dbjc4n r-obd0qt r-1pz39u2 r-1777fci r-1joea0r r-1vsu8ta r-18qmn74 toggle-set";
        div1.addEventListener("click", () => onClick(divOn, divOff));
        const div2 = document.createElement("div");
        div2.className = "css-18t94o4 css-1dbjc4n r-1niwhzg r-42olwf r-sdzlij r-1phboty r-rs99b7 r-1w2pmg r-1vuscfd r-53xb7h r-1ny4l3l r-mk0yit r-o7ynqc r-6416eg r-lrvibr";
        const divOn = document.createElement("div");
        divOn.className = `css-901oao r-1awozwy r-6koalj r-18u37iz r-16y2uox r-1qd0xha r-a023e6 r-vw2c0b r-1777fci r-eljoum r-dnmrzs r-bcqeeo r-q4m81j r-qvutc0 icon-set ${getColor()}`;
        divOn.innerHTML = iconOn;
        const svg1 = divOn.querySelector("svg");
        svg1.setAttribute("class", `r-4qtqp9 r-yyyyoo r-1q142lx r-dnmrzs r-bnwqim r-1plcrui r-lrvibr ${getColor()}`);
        const divOff = document.createElement("div");
        divOff.className = `css-901oao r-1awozwy r-6koalj r-18u37iz r-16y2uox r-1qd0xha r-a023e6 r-vw2c0b r-1777fci r-eljoum r-dnmrzs r-bcqeeo r-q4m81j r-qvutc0 icon-set ${getColor()}`;
        divOff.innerHTML = iconOff;
        const svg2 = divOff.querySelector("svg");
        svg2.setAttribute("class", `r-4qtqp9 r-yyyyoo r-1q142lx r-dnmrzs r-bnwqim r-1plcrui r-lrvibr ${getColor()}`);
        // on or off
        if (getToggle()) divOff.classList.add("toggle-off-set");
        else divOn.classList.add("toggle-off-set");
        // append
        panel.appendChild(div1);
        div1.appendChild(div2);
        div2.appendChild(divOn);
        div2.appendChild(divOff);
    }

    function sortToggle() {
        // sometimes, there's a empty div block the toggle bar.
        const panel = document.querySelector(".r-1awozwy.r-1h3ijdo.r-1777fci");
        if (!panel) return;
        const lastChild = panel.lastElementChild;
        if (lastChild.childElementCount === 0) lastChild.remove();
    }

    function onClick(on, off) {
        const afterClick = !getToggle();
        GM_setValue("toggle", afterClick);
        if (afterClick) {
            on.classList.remove("toggle-off-set");
            off.classList.add("toggle-off-set");
        } else {
            on.classList.add("toggle-off-set");
            off.classList.remove("toggle-off-set");
        }
        init(3);
    }

    function getColor() {
        let finalColor = "";
        document.querySelectorAll("svg.r-50lct3").forEach(svg => {
            if (!!finalColor) return;
            const svgClass = svg.className.baseVal;
            for (const color of colors) {
                if (svgClass.includes(color)) {
                    finalColor = color;
                }
            }
        });
        return finalColor;
    }

    function getToggle() {
        return GM_getValue("toggle", true);
    }

    // hide
    function findImage() {
        // toggle
        if (!getToggle()) return;
        // all images
        document.querySelectorAll(".r-4gszlv:not(.check-set)").forEach(function(image) {
            image.classList.add("check-set");
            // except emoji
            if (image.style.backgroundImage.includes("svg")) return;
            if (!image.className.includes("hide-set")) image.classList.add("hide-set");
            image.classList.remove("show-set");
            // event
            const touch = image.parentElement.querySelector("img");
            touch.addEventListener("mouseenter", imageListener);
            touch.addEventListener("mouseleave", imageListener);
        });
    }

    function removeBlock() {
        // remove the div block on every avatar.
        document.querySelectorAll(".r-1twgtwe").forEach(block => block.remove());
    }

    function imageListener() {
        const image = this.parentElement.querySelector("div");
        const isHiding = !image.className.includes("show-set");
        if (isHiding) image.classList.add("show-set");
        else image.classList.remove("show-set");
    }

    // show
    function showImage() {
        // toggle
        if (getToggle()) return;
        // all images
        document.querySelectorAll(".check-set").forEach(function(image) {
            image.classList.remove("check-set");
            // except emoji
            if (image.style.backgroundImage.includes("svg")) return;
            image.classList.add("show-set");
            // event
            const touch = image.parentElement.querySelector("img");
            touch.removeEventListener("mouseenter", imageListener);
            touch.removeEventListener("mouseleave", imageListener);
        });
    }

    // other
    function css() {
        const style = document.createElement("style");
        style.type = "text/css";
        style.innerHTML = textStyle;
        document.querySelector("head").appendChild(style);
    }

    function update() {
        if (updating) return;
        updating = true;
        init(3);
        setTimeout(() => { updating = false; }, 1000);
    }

    function locationChange() {
        const observer = new MutationObserver(mutations => {
            mutations.forEach(() => {
                if (currentUrl !== document.location.href) {
                    currentUrl = document.location.href;
                    init(10);
                }
            });
        });
        const target = document.querySelector("body");
        const config = { childList: true, subtree: true };
        observer.observe(target, config);
    }

})();