Instagram 隱藏圖片

調整 Instagram 圖片的透明度。

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                Instagram: Hide Image
// @name:zh-TW          Instagram 隱藏圖片
// @name:zh-CN          Instagram 隐藏图片
// @name:ja             Instagram 画像を非表示
// @name:ko             Instagram 이미지 숨기기
// @name:ru             Instagram Скрыть изображение
// @version             1.0.3
// @description         Make Instagram Images Opacity Lower.
// @description:zh-TW   調整 Instagram 圖片的透明度。
// @description:zh-CN   调整 Instagram 图片的透明度。
// @description:ja      Instagram 画像の不透明度を低くします。
// @description:ko      Instagram 이미지 불투명도를 낮추십시오.
// @description:ru      Уменьшите непрозрачность изображений в Instagram.
// @author              Hayao-Gai
// @namespace           https://github.com/HayaoGai
// @icon                https://i.imgur.com/obCmlr9.png
// @match               https://www.instagram.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 = `
.switch-set {
    margin-left: 20px;
}
.hide-set {
    transition: opacity 0.3s;
    opacity: 0.1;
}
.show-set {
    opacity: 1 !important;
}`;
    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(findImage1, 500 * i);
            setTimeout(findImage2, 500 * i);
            setTimeout(findVideo, 500 * i);
            setTimeout(showAll, 500 * i);
        }
    }

    // toggle
    function addToggle() {
        // check exist
        const exist = document.querySelector(".switch-set");
        if (!!exist) {
            exist.innerHTML = getToggle() ? iconOn : iconOff;
            return;
        }
        // panel
        const panel = document.querySelector(".ctQZg");
        if (!panel) return;
        // switch
        const button = document.createElement("button");
        button.className = "dCJp8 afkep switch-set";
        button.innerHTML = getToggle() ? iconOn : iconOff;
        button.addEventListener("click", onClick);
        panel.appendChild(button);
    }

    function onClick() {
        const afterClick = !getToggle();
        GM_setValue("switch", afterClick);
        this.innerHTML = afterClick ? iconOn : iconOff;
        init(3);
    }

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

    // hide image
    function findImage1() {
        // check toggle
        if (!getToggle()) return;
        // image ( avatar )
        document.querySelectorAll("img._6q-tv:not(.hide-set)").forEach(image => {
            image.classList.add("hide-set");
            // event
            image.addEventListener("mouseenter", showImage);
            image.addEventListener("mouseleave", hideImage);
        });
    }

    function findImage2() {
        // check toggle
        if (!getToggle()) return;
        // image ( post )
        document.querySelectorAll("img.FFVAD:not(.hide-set)").forEach(image => {
            image.classList.add("hide-set");
            // event
            const hover = image.closest(".eLAPa").lastElementChild;
            hover.addEventListener("mouseenter", showImage);
            hover.addEventListener("mouseleave", hideImage);
        });
    }

    function showImage() {
        const tag = this.tagName;
        // avatar
        if (tag === "IMG") this.classList.add("show-set");
        // post
        else this.parentElement.querySelector("img").classList.add("show-set");
    }

    function hideImage() {
        const tag = this.tagName;
        // avatar
        if (tag === "IMG") this.classList.remove("show-set");
        // post
        else this.parentElement.querySelector("img").classList.remove("show-set");
    }

    // hide video
    function findVideo() {
        // check toggle
        if (!getToggle()) return;
        // video
        document.querySelectorAll("video:not(.hide-set)").forEach(video => {
            video.classList.add("hide-set");
            // thumbnail
            const thumbnail = video.parentElement.querySelector("img");
            thumbnail.classList.add("hide-set");
            // event
            const hover = video.closest(".kPFhm").lastElementChild;
            hover.addEventListener("mouseenter", showVideo);
            hover.addEventListener("mouseleave", hideVideo);
        });
    }

    function showVideo() {
        const video = this.parentElement.querySelector("video");
        video.classList.add("show-set");
    }

    function hideVideo() {
        const video = this.parentElement.querySelector("video");
        video.classList.remove("show-set");
    }

    // show all
    function showAll() {
        // check toggle
        if (getToggle()) return;
        // show
        document.querySelectorAll(".hide-set").forEach(target => target.classList.remove("hide-set"));
    }

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

})();