feat: show call participants in room list (Discord-style)

apps/web/test/unit-tests/renderer/__snapshots__/link-tooltip-test.tsx.snap

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+// Jest Snapshot v1, https://jestjs.io/docs/snapshot-testing
+
+exports[`link-tooltip does nothing for empty element 1`] = `
+<DocumentFragment>
+  <div />
+</DocumentFragment>
+`;
+
+exports[`link-tooltip wraps single anchor 1`] = `
+<DocumentFragment>
+  
+            
+  <div>
+    
+                
+    <span
+      aria-labelledby="_r_0_"
+      tabindex="0"
+    >
+      <a
+        href="/foo"
+      >
+        click
+      </a>
+    </span>
+    
+            
+  </div>
+  
+        
+</DocumentFragment>
+`;

apps/web/test/unit-tests/renderer/__snapshots__/pill-test.tsx.snap

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+// Jest Snapshot v1, https://jestjs.io/docs/snapshot-testing
+
+exports[`keyword pills should do nothing for empty element 1`] = `
+<DocumentFragment>
+  <div />
+</DocumentFragment>
+`;
+
+exports[`keyword pills should pillify 1`] = `
+<DocumentFragment>
+  <div>
+    Foo 
+    <bdi>
+      <span
+        tabindex="0"
+      >
+        <span
+          class="mx_Pill mx_KeywordPill"
+        >
+          <span
+            class="mx_Pill_text"
+          >
+            TeST
+          </span>
+        </span>
+      </span>
+    </bdi>
+     Bar
+  </div>
+</DocumentFragment>
+`;
+
+exports[`mention pills should do nothing for empty element 1`] = `
+<DocumentFragment>
+  <div />
+</DocumentFragment>
+`;
+
+exports[`mention pills should pillify @room 1`] = `
+<DocumentFragment>
+  <div>
+    <bdi>
+      <span
+        tabindex="0"
+      >
+        <span
+          class="mx_Pill mx_AtRoomPill"
+        >
+          <span
+            aria-hidden="true"
+            class="_avatar_va14e_8 mx_BaseAvatar _avatar-imageless_va14e_55"
+            data-color="4"
+            data-testid="avatar-img"
+            data-type="round"
+            role="presentation"
+            style="--cpd-avatar-size: 16px;"
+          >
+            !
+          </span>
+          <span
+            class="mx_Pill_text"
+          >
+            @room
+          </span>
+        </span>
+      </span>
+    </bdi>
+  </div>
+</DocumentFragment>
+`;
+
+exports[`mention pills should pillify @room in an intentional mentions world 1`] = `
+<DocumentFragment>
+  <div>
+    <bdi>
+      <span
+        tabindex="0"
+      >
+        <span
+          class="mx_Pill mx_AtRoomPill"
+        >
+          <span
+            aria-hidden="true"
+            class="_avatar_va14e_8 mx_BaseAvatar _avatar-imageless_va14e_55"
+            data-color="4"
+            data-testid="avatar-img"
+            data-type="round"
+            role="presentation"
+            style="--cpd-avatar-size: 16px;"
+          >
+            !
+          </span>
+          <span
+            class="mx_Pill_text"
+          >
+            @room
+          </span>
+        </span>
+      </span>
+    </bdi>
+  </div>
+</DocumentFragment>
+`;

apps/web/test/unit-tests/renderer/link-tooltip-test.tsx

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+/*
+Copyright 2024-2025 New Vector Ltd.
+Copyright 2022 The Matrix.org Foundation C.I.C.
+
+SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE files in the repository root for full details.
+*/
+
+import React from "react";
+import { screen, fireEvent, render, type RenderResult } from "jest-matrix-react";
+import parse from "html-react-parser";
+
+import { ambiguousLinkTooltipRenderer, combineRenderers } from "../../../src/renderer";
+import PlatformPeg from "../../../src/PlatformPeg";
+import type BasePlatform from "../../../src/BasePlatform";
+
+describe("link-tooltip", () => {
+    jest.spyOn(PlatformPeg, "get").mockReturnValue({ needsUrlTooltips: () => true } as unknown as BasePlatform);
+
+    function renderTooltips(input: string): RenderResult {
+        return render(
+            <>
+                {parse(input, {
+                    replace: combineRenderers(ambiguousLinkTooltipRenderer)({ isHtml: true }),
+                })}
+            </>,
+        );
+    }
+
+    it("does nothing for empty element", () => {
+        const { asFragment } = renderTooltips("<div></div>");
+        expect(asFragment()).toMatchSnapshot();
+    });
+
+    it("wraps single anchor", () => {
+        const { container, asFragment } = renderTooltips(`
+            <div>
+                <a href="/foo">click</a>
+            </div>
+        `);
+        expect(asFragment()).toMatchSnapshot();
+        const anchor = container.querySelector("a")!;
+        expect(anchor.getAttribute("href")).toEqual("/foo");
+        fireEvent.focus(anchor.parentElement!);
+        expect(screen.getByLabelText("http://localhost/foo")).toBe(anchor.parentElement!);
+    });
+});

apps/web/test/unit-tests/renderer/pill-test.tsx

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+/*
+Copyright 2024-2025 New Vector Ltd.
+Copyright 2022 The Matrix.org Foundation C.I.C.
+
+SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE files in the repository root for full details.
+*/
+
+import React from "react";
+import { render, type RenderResult } from "jest-matrix-react";
+import {
+    MatrixEvent,
+    ConditionKind,
+    EventType,
+    PushRuleActionName,
+    Room,
+    TweakName,
+    type MatrixClient,
+} from "matrix-js-sdk/src/matrix";
+import { mocked } from "jest-mock";
+import parse from "html-react-parser";
+import { PushProcessor } from "matrix-js-sdk/src/pushprocessor";
+
+import { keywordPillRenderer, mentionPillRenderer, combineRenderers } from "../../../src/renderer";
+import { stubClient, withClientContextRenderOptions } from "../../test-utils";
+import { MatrixClientPeg } from "../../../src/MatrixClientPeg";
+import DMRoomMap from "../../../src/utils/DMRoomMap";
+
+describe("mention pills", () => {
+    let cli: MatrixClient;
+    let room: Room;
+    const roomId = "!room:id";
+    const event = new MatrixEvent({
+        room_id: roomId,
+        type: EventType.RoomMessage,
+        content: {
+            body: "@room",
+        },
+    });
+
+    beforeEach(() => {
+        stubClient();
+        cli = MatrixClientPeg.safeGet();
+        // @ts-expect-error
+        cli.pushProcessor = new PushProcessor(cli);
+        room = new Room(roomId, cli, cli.getUserId()!);
+        room.currentState.mayTriggerNotifOfType = jest.fn().mockReturnValue(true);
+        (cli.getRoom as jest.Mock).mockReturnValue(room);
+        cli.pushRules!.global = {
+            override: [
+                {
+                    rule_id: ".m.rule.roomnotif",
+                    default: true,
+                    enabled: true,
+                    conditions: [
+                        {
+                            kind: ConditionKind.EventMatch,
+                            key: "content.body",
+                            pattern: "@room",
+                        },
+                    ],
+                    actions: [
+                        PushRuleActionName.Notify,
+                        {
+                            set_tweak: TweakName.Highlight,
+                            value: true,
+                        },
+                    ],
+                },
+                {
+                    rule_id: ".m.rule.is_room_mention",
+                    default: true,
+                    enabled: true,
+                    conditions: [
+                        {
+                            kind: ConditionKind.EventPropertyIs,
+                            key: "content.m\\.mentions.room",
+                            value: true,
+                        },
+                        {
+                            kind: ConditionKind.SenderNotificationPermission,
+                            key: "room",
+                        },
+                    ],
+                    actions: [
+                        PushRuleActionName.Notify,
+                        {
+                            set_tweak: TweakName.Highlight,
+                        },
+                    ],
+                },
+            ],
+        };
+
+        DMRoomMap.makeShared(cli);
+    });
+
+    function renderPills(input: string, mxEvent?: MatrixEvent): RenderResult {
+        return render(
+            <>
+                {parse(input, {
+                    replace: combineRenderers(mentionPillRenderer)({
+                        mxEvent: mxEvent ?? event,
+                        room,
+                        isHtml: true,
+                    }),
+                })}
+            </>,
+            withClientContextRenderOptions(cli),
+        );
+    }
+
+    it("should do nothing for empty element", () => {
+        const input = "<div></div>";
+        const { asFragment } = renderPills(input);
+        expect(asFragment()).toMatchSnapshot();
+    });
+
+    it("should pillify @room", () => {
+        const input = "<div>@room</div>";
+        const { container, asFragment } = renderPills(input);
+        expect(asFragment()).toMatchSnapshot();
+        expect(container.querySelector(".mx_Pill.mx_AtRoomPill")?.textContent).toBe("!@room");
+    });
+
+    it("should pillify @room in an intentional mentions world", () => {
+        mocked(MatrixClientPeg.safeGet().supportsIntentionalMentions).mockReturnValue(true);
+        const { container, asFragment } = renderPills(
+            "<div>@room</div>",
+            new MatrixEvent({
+                room_id: roomId,
+                type: EventType.RoomMessage,
+                content: {
+                    "body": "@room",
+                    "m.mentions": {
+                        room: true,
+                    },
+                },
+            }),
+        );
+        expect(asFragment()).toMatchSnapshot();
+        expect(container.querySelector(".mx_Pill.mx_AtRoomPill")?.textContent).toBe("!@room");
+    });
+});
+
+describe("keyword pills", () => {
+    let cli: MatrixClient;
+    const keywordRegexpPattern = /(test)/i;
+
+    beforeEach(() => {
+        stubClient();
+        cli = MatrixClientPeg.safeGet();
+        cli.pushRules!.global = {
+            override: [
+                {
+                    rule_id: ".m.rule.roomnotif",
+                    default: true,
+                    enabled: true,
+                    conditions: [
+                        {
+                            kind: ConditionKind.EventMatch,
+                            key: "content.body",
+                            pattern: "@room",
+                        },
+                    ],
+                    actions: [
+                        PushRuleActionName.Notify,
+                        {
+                            set_tweak: TweakName.Highlight,
+                            value: true,
+                        },
+                    ],
+                },
+                {
+                    rule_id: ".m.rule.is_room_mention",
+                    default: true,
+                    enabled: true,
+                    conditions: [
+                        {
+                            kind: ConditionKind.EventPropertyIs,
+                            key: "content.m\\.mentions.room",
+                            value: true,
+                        },
+                        {
+                            kind: ConditionKind.SenderNotificationPermission,
+                            key: "room",
+                        },
+                    ],
+                    actions: [
+                        PushRuleActionName.Notify,
+                        {
+                            set_tweak: TweakName.Highlight,
+                        },
+                    ],
+                },
+            ],
+        };
+
+        DMRoomMap.makeShared(cli);
+    });
+
+    function renderPills(input: string): RenderResult {
+        return render(
+            <>
+                {parse(input, {
+                    replace: combineRenderers(keywordPillRenderer)({
+                        isHtml: true,
+                        keywordRegexpPattern,
+                    }),
+                })}
+            </>,
+            withClientContextRenderOptions(cli),
+        );
+    }
+
+    it("should do nothing for empty element", () => {
+        const input = "<div></div>";
+        const { asFragment } = renderPills(input);
+        expect(asFragment()).toMatchSnapshot();
+    });
+
+    it("should pillify", () => {
+        const input = "<div>Foo TeST Bar</div>";
+        const { container, asFragment } = renderPills(input);
+        expect(asFragment()).toMatchSnapshot();
+        expect(container.querySelector(".mx_Pill.mx_KeywordPill")?.textContent).toBe("TeST");
+    });
+});