Implement broadcast message preview (#9762)

src/TextForEvent.tsx

@@ -45,10 +45,7 @@ import RightPanelStore from "./stores/right-panel/RightPanelStore";
 import { highlightEvent, isLocationEvent } from "./utils/EventUtils";
 import { ElementCall } from "./models/Call";
 import { textForVoiceBroadcastStoppedEvent, VoiceBroadcastInfoEventType } from "./voice-broadcast";
-
-export function getSenderName(event: MatrixEvent): string {
-    return event.sender?.name ?? event.getSender() ?? _t("Someone");
-}
+import { getSenderName } from "./utils/event/getSenderName";
 
 function getRoomMemberDisplayname(event: MatrixEvent, userId = event.getSender()): string {
     const client = MatrixClientPeg.get();

src/i18n/strings/en_EN.json

@@ -650,6 +650,8 @@
     "Someone else is already recording a voice broadcast. Wait for their voice broadcast to end to start a new one.": "Someone else is already recording a voice broadcast. Wait for their voice broadcast to end to start a new one.",
     "You ended a <a>voice broadcast</a>": "You ended a <a>voice broadcast</a>",
     "%(senderName)s ended a <a>voice broadcast</a>": "%(senderName)s ended a <a>voice broadcast</a>",
+    "You ended a voice broadcast": "You ended a voice broadcast",
+    "%(senderName)s ended a voice broadcast": "%(senderName)s ended a voice broadcast",
     "Stop live broadcasting?": "Stop live broadcasting?",
     "Are you sure you want to stop your live broadcast?This will end the broadcast and the full recording will be available in the room.": "Are you sure you want to stop your live broadcast?This will end the broadcast and the full recording will be available in the room.",
     "Yes, stop broadcast": "Yes, stop broadcast",

src/stores/room-list/MessagePreviewStore.ts

@@ -32,6 +32,8 @@ import { StickerEventPreview } from "./previews/StickerEventPreview";
 import { ReactionEventPreview } from "./previews/ReactionEventPreview";
 import { UPDATE_EVENT } from "../AsyncStore";
 import { IPreview } from "./previews/IPreview";
+import { VoiceBroadcastInfoEventType } from "../../voice-broadcast";
+import { VoiceBroadcastPreview } from "./previews/VoiceBroadcastPreview";
 
 // Emitted event for when a room's preview has changed. First argument will the room for which
 // the change happened.
@@ -76,6 +78,10 @@ const PREVIEWS: Record<
         isState: false,
         previewer: new PollStartEventPreview(),
     },
+    [VoiceBroadcastInfoEventType]: {
+        isState: true,
+        previewer: new VoiceBroadcastPreview(),
+    },
 };
 
 // The maximum number of events we're willing to look back on to get a preview.

src/stores/room-list/previews/MessageEventPreview.ts

@@ -23,11 +23,15 @@ import { _t, sanitizeForTranslation } from "../../../languageHandler";
 import { getSenderName, isSelf, shouldPrefixMessagesIn } from "./utils";
 import { getHtmlText } from "../../../HtmlUtils";
 import { stripHTMLReply, stripPlainReply } from "../../../utils/Reply";
+import { VoiceBroadcastChunkEventType } from "../../../voice-broadcast/types";
 
 export class MessageEventPreview implements IPreview {
-    public getTextFor(event: MatrixEvent, tagId?: TagID, isThread?: boolean): string {
+    public getTextFor(event: MatrixEvent, tagId?: TagID, isThread?: boolean): string | null {
         let eventContent = event.getContent();
 
+        // no preview for broadcast chunks
+        if (eventContent[VoiceBroadcastChunkEventType]) return null;
+
         if (event.isRelation(RelationType.Replace)) {
             // It's an edit, generate the preview on the new text
             eventContent = event.getContent()["m.new_content"];

src/stores/room-list/previews/VoiceBroadcastPreview.ts

@@ -0,0 +1,31 @@
+/*
+Copyright 2022 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import { MatrixEvent } from "matrix-js-sdk/src/matrix";
+
+import { VoiceBroadcastInfoState } from "../../../voice-broadcast/types";
+import { textForVoiceBroadcastStoppedEventWithoutLink } from "../../../voice-broadcast/utils/textForVoiceBroadcastStoppedEventWithoutLink";
+import { IPreview } from "./IPreview";
+
+export class VoiceBroadcastPreview implements IPreview {
+    getTextFor(event: MatrixEvent, tagId?: string, isThread?: boolean): string | null {
+        if (!event.isRedacted() && event.getContent()?.state === VoiceBroadcastInfoState.Stopped) {
+            return textForVoiceBroadcastStoppedEventWithoutLink(event);
+        }
+
+        return null;
+    }
+}

src/utils/event/getSenderName.ts

@@ -0,0 +1,23 @@
+/*
+Copyright 2022 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import { MatrixEvent } from "matrix-js-sdk/src/matrix";
+
+import { _t } from "../../languageHandler";
+
+export function getSenderName(event: MatrixEvent): string {
+    return event.sender?.name ?? event.getSender() ?? _t("Someone");
+}

src/voice-broadcast/index.ts

@@ -19,8 +19,7 @@ limitations under the License.
  * {@link https://github.com/vector-im/element-meta/discussions/632}
  */
 
-import { RelationType } from "matrix-js-sdk/src/matrix";
-
+export * from "./types";
 export * from "./models/VoiceBroadcastPlayback";
 export * from "./models/VoiceBroadcastPreRecording";
 export * from "./models/VoiceBroadcastRecording";
@@ -55,27 +54,5 @@ export * from "./utils/shouldDisplayAsVoiceBroadcastTile";
 export * from "./utils/shouldDisplayAsVoiceBroadcastStoppedText";
 export * from "./utils/startNewVoiceBroadcastRecording";
 export * from "./utils/textForVoiceBroadcastStoppedEvent";
+export * from "./utils/textForVoiceBroadcastStoppedEventWithoutLink";
 export * from "./utils/VoiceBroadcastResumer";
-
-export const VoiceBroadcastInfoEventType = "io.element.voice_broadcast_info";
-export const VoiceBroadcastChunkEventType = "io.element.voice_broadcast_chunk";
-
-export type VoiceBroadcastLiveness = "live" | "not-live" | "grey";
-
-export enum VoiceBroadcastInfoState {
-    Started = "started",
-    Paused = "paused",
-    Resumed = "resumed",
-    Stopped = "stopped",
-}
-
-export interface VoiceBroadcastInfoEventContent {
-    device_id: string;
-    state: VoiceBroadcastInfoState;
-    chunk_length?: number;
-    last_chunk_sequence?: number;
-    ["m.relates_to"]?: {
-        rel_type: RelationType;
-        event_id: string;
-    };
-}

src/voice-broadcast/types.ts

@@ -0,0 +1,40 @@
+/*
+Copyright 2022 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import { RelationType } from "matrix-js-sdk/src/matrix";
+
+export const VoiceBroadcastInfoEventType = "io.element.voice_broadcast_info";
+export const VoiceBroadcastChunkEventType = "io.element.voice_broadcast_chunk";
+
+export type VoiceBroadcastLiveness = "live" | "not-live" | "grey";
+
+export enum VoiceBroadcastInfoState {
+    Started = "started",
+    Paused = "paused",
+    Resumed = "resumed",
+    Stopped = "stopped",
+}
+
+export interface VoiceBroadcastInfoEventContent {
+    device_id: string;
+    state: VoiceBroadcastInfoState;
+    chunk_length?: number;
+    last_chunk_sequence?: number;
+    ["m.relates_to"]?: {
+        rel_type: RelationType;
+        event_id: string;
+    };
+}

src/voice-broadcast/utils/textForVoiceBroadcastStoppedEvent.tsx

@@ -20,8 +20,8 @@ import { MatrixEvent } from "matrix-js-sdk/src/matrix";
 import { MatrixClientPeg } from "../../MatrixClientPeg";
 import AccessibleButton from "../../components/views/elements/AccessibleButton";
 import { highlightEvent } from "../../utils/EventUtils";
-import { getSenderName } from "../../TextForEvent";
 import { _t } from "../../languageHandler";
+import { getSenderName } from "../../utils/event/getSenderName";
 
 export const textForVoiceBroadcastStoppedEvent = (event: MatrixEvent): (() => ReactNode) => {
     return (): ReactNode => {

src/voice-broadcast/utils/textForVoiceBroadcastStoppedEventWithoutLink.ts

@@ -0,0 +1,31 @@
+/*
+Copyright 2022 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import { MatrixEvent } from "matrix-js-sdk/src/matrix";
+
+import { _t } from "../../languageHandler";
+import { MatrixClientPeg } from "../../MatrixClientPeg";
+import { getSenderName } from "../../utils/event/getSenderName";
+
+export const textForVoiceBroadcastStoppedEventWithoutLink = (event: MatrixEvent): string => {
+    const ownUserId = MatrixClientPeg.get()?.getUserId();
+
+    if (ownUserId && ownUserId === event.getSender()) {
+        return _t("You ended a voice broadcast", {});
+    }
+
+    return _t("%(senderName)s ended a voice broadcast", { senderName: getSenderName(event) });
+};

test/TextForEvent-test.ts

@@ -19,12 +19,13 @@ import TestRenderer from "react-test-renderer";
 import { ReactElement } from "react";
 import { mocked } from "jest-mock";
 
-import { getSenderName, textForEvent } from "../src/TextForEvent";
+import { textForEvent } from "../src/TextForEvent";
 import SettingsStore from "../src/settings/SettingsStore";
 import { createTestClient, stubClient } from "./test-utils";
 import { MatrixClientPeg } from "../src/MatrixClientPeg";
 import UserIdentifierCustomisations from "../src/customisations/UserIdentifier";
 import { ElementCall } from "../src/models/Call";
+import { getSenderName } from "../src/utils/event/getSenderName";
 
 jest.mock("../src/settings/SettingsStore");
 jest.mock("../src/customisations/UserIdentifier", () => ({

test/stores/room-list/previews/MessageEventPreview-test.ts

@@ -0,0 +1,96 @@
+/*
+Copyright 2022 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import { RelationType } from "matrix-js-sdk/src/matrix";
+
+import { MessageEventPreview } from "../../../../src/stores/room-list/previews/MessageEventPreview";
+import { mkEvent, stubClient } from "../../../test-utils";
+
+describe("MessageEventPreview", () => {
+    const preview = new MessageEventPreview();
+    const userId = "@user:example.com";
+
+    beforeAll(() => {
+        stubClient();
+    });
+
+    describe("getTextFor", () => {
+        it("when called with an event with empty content should return null", () => {
+            const event = mkEvent({
+                event: true,
+                content: {},
+                user: userId,
+                type: "m.room.message",
+            });
+            expect(preview.getTextFor(event)).toBeNull();
+        });
+
+        it("when called with an event with empty body should return null", () => {
+            const event = mkEvent({
+                event: true,
+                content: {
+                    body: "",
+                },
+                user: userId,
+                type: "m.room.message",
+            });
+            expect(preview.getTextFor(event)).toBeNull();
+        });
+
+        it("when called with an event with body should return »user: body«", () => {
+            const event = mkEvent({
+                event: true,
+                content: {
+                    body: "test body",
+                },
+                user: userId,
+                type: "m.room.message",
+            });
+            expect(preview.getTextFor(event)).toBe(`${userId}: test body`);
+        });
+
+        it("when called for a replaced event with new content should return the new content body", () => {
+            const event = mkEvent({
+                event: true,
+                content: {
+                    ["m.new_content"]: {
+                        body: "test new content body",
+                    },
+                    ["m.relates_to"]: {
+                        rel_type: RelationType.Replace,
+                        event_id: "$asd123",
+                    },
+                },
+                user: userId,
+                type: "m.room.message",
+            });
+            expect(preview.getTextFor(event)).toBe(`${userId}: test new content body`);
+        });
+
+        it("when called with a broadcast chunk event it should return null", () => {
+            const event = mkEvent({
+                event: true,
+                content: {
+                    body: "test body",
+                    ["io.element.voice_broadcast_chunk"]: {},
+                },
+                user: userId,
+                type: "m.room.message",
+            });
+            expect(preview.getTextFor(event)).toBeNull();
+        });
+    });
+});