Element - Hide Activity-Only Notifications

Only show unread indicators for "Mentions and keywords" rooms when mentioned

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        Element - Hide Activity-Only Notifications
// @namespace   https://github.com/Enzime
// @match       https://app.element.io/*
// @grant       none
// @version     1.0
// @author      Enzime
// @description Only show unread indicators for "Mentions and keywords" rooms when mentioned
// @license     MIT
// @run-at      document-start
// ==/UserScript==

(function () {
    "use strict";

    // Room notification indicators in Element:
    // - _unread_* (dot only): Activity level, no notification - HIDE
    // - _unread-counter_*: Has count badge (DMs, regular messages) - KEEP
    // - SVG @ icon + counter: Mentions/highlights - KEEP

    // === CSS: Hide only the dot indicator, keep counter badges ===
    function injectStyles() {
        var style = document.createElement("style");
        style.id = "element-suppress-unread";
        style.textContent = [
            "/* Hide unread dot indicators (Activity level) */",
            "/* Match _unread_ but NOT _unread-counter_ */",
            ".mx_RoomListItemView [class^='_unread_']:not([class*='counter']),",
            ".mx_RoomListItemView [class*=' _unread_']:not([class*='counter']),",
            ".mx_RoomTile [class^='_unread_']:not([class*='counter']),",
            ".mx_RoomTile [class*=' _unread_']:not([class*='counter']),",
            ".mx_NotificationBadge_dot {",
            "    display: none !important;",
            "}",
        ].join("\n");

        if (document.head) {
            document.head.appendChild(style);
        } else {
            document.addEventListener("DOMContentLoaded", function () {
                document.head.appendChild(style);
            });
        }
    }

    // === MutationObserver: Remove bold class from room tiles ===
    function setupRoomTileObserver() {
        var observer = new MutationObserver(function (mutations) {
            mutations.forEach(function (mutation) {
                if (mutation.type === "attributes" && mutation.attributeName === "class") {
                    var target = mutation.target;
                    if (target.classList && target.classList.contains("mx_RoomListItemView_bold")) {
                        checkAndRemoveBold(target);
                    }
                }

                if (mutation.type === "childList") {
                    mutation.addedNodes.forEach(function (node) {
                        if (node.nodeType === Node.ELEMENT_NODE) {
                            processElement(node);
                        }
                    });
                }
            });
        });

        function hasCounterOrMention(roomTile) {
            // Use aria-label which reliably indicates unread status
            // e.g. "with 1 unread message." or "with 1 unread mention."
            var ariaLabel = roomTile.getAttribute("aria-label") || "";
            if (ariaLabel.includes("unread message") || ariaLabel.includes("unread mention")) {
                return true;
            }

            // Fallback: Check for counter badge (_unread-counter_*)
            var hasCounter = roomTile.querySelector("[class*='_unread-counter']");
            if (hasCounter) return true;

            // Check for old-style badges
            var hasOldBadge = roomTile.querySelector(
                ".mx_NotificationBadge_level_notification, .mx_NotificationBadge_level_highlight"
            );
            if (hasOldBadge) return true;

            return false;
        }

        function checkAndRemoveBold(target) {
            var roomTile = target.closest(".mx_RoomListItemView, .mx_RoomTile");
            if (!roomTile) {
                roomTile = target;
            }
            // Only remove bold if there's no counter badge (just a dot or nothing)
            if (!hasCounterOrMention(roomTile)) {
                target.classList.remove("mx_RoomListItemView_bold");
            }
        }

        function processElement(element) {
            var boldTiles = [];
            if (element.querySelectorAll) {
                boldTiles = Array.from(element.querySelectorAll(".mx_RoomListItemView_bold"));
            }
            if (element.classList && element.classList.contains("mx_RoomListItemView_bold")) {
                boldTiles.push(element);
            }

            boldTiles.forEach(function (tile) {
                checkAndRemoveBold(tile);
            });
        }

        function startObserving() {
            var container = document.querySelector("[class*='LeftPanel'], .mx_LeftPanel, #matrixchat");
            if (container) {
                observer.observe(container, {
                    childList: true,
                    subtree: true,
                    attributes: true,
                    attributeFilter: ["class"]
                });
                processElement(container);
            } else {
                setTimeout(startObserving, 500);
            }
        }

        if (document.readyState === "loading") {
            document.addEventListener("DOMContentLoaded", startObserving);
        } else {
            startObserving();
        }
    }

    // === Title Observer: Remove asterisk from page title ===
    function setupTitleObserver() {
        function cleanTitle() {
            var title = document.title;
            if (title.includes("*")) {
                // Format: "Element * | room name" -> "Element | room name"
                var cleaned = title.replace(" * ", " ");
                if (cleaned !== title) {
                    document.title = cleaned;
                }
            }
        }

        var titleObserver = new MutationObserver(function (mutations) {
            cleanTitle();
        });

        function startTitleObserver() {
            cleanTitle();
            var head = document.head || document.querySelector("head");
            if (head) {
                titleObserver.observe(head, {
                    childList: true,
                    subtree: true,
                    characterData: true
                });
            }
            var titleEl = document.querySelector("title");
            if (titleEl) {
                titleObserver.observe(titleEl, {
                    childList: true,
                    characterData: true,
                    subtree: true
                });
            }
        }

        if (document.readyState === "loading") {
            document.addEventListener("DOMContentLoaded", startTitleObserver);
        } else {
            startTitleObserver();
        }
    }

    // === Space notification suppression ===
    function injectSpaceStyles() {
        var style = document.createElement("style");
        style.id = "element-suppress-space-unread";
        style.textContent = [
            "/* Hide unread dots on spaces (not counters) */",
            ".mx_SpaceButton [class^='_unread_']:not([class*='counter']),",
            ".mx_SpaceButton [class*=' _unread_']:not([class*='counter']),",
            ".mx_SpacePanel [class^='_unread_']:not([class*='counter']),",
            ".mx_SpacePanel [class*=' _unread_']:not([class*='counter']),",
            ".mx_SpaceButton .mx_NotificationBadge_dot,",
            ".mx_SpacePanel .mx_NotificationBadge_dot {",
            "    display: none !important;",
            "}"
        ].join("\n");

        if (document.head) {
            document.head.appendChild(style);
        } else {
            document.addEventListener("DOMContentLoaded", function () {
                document.head.appendChild(style);
            });
        }
    }

    injectStyles();
    injectSpaceStyles();
    setupRoomTileObserver();
    setupTitleObserver();
})();