Extract useVoiceBroadcastRecording hook (#9406)

* Extract useVoiceBroadcastRecording hook

* Trigger CI

src/voice-broadcast/components/VoiceBroadcastBody.tsx

@@ -14,42 +14,20 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import React, { useState } from "react";
+import React from "react";
 
 import {
-    VoiceBroadcastInfoState,
     VoiceBroadcastRecordingBody,
     VoiceBroadcastRecordingsStore,
-    VoiceBroadcastRecording,
-    VoiceBroadcastRecordingEvent,
 } from "..";
 import { IBodyProps } from "../../components/views/messages/IBodyProps";
 import { MatrixClientPeg } from "../../MatrixClientPeg";
-import { useTypedEventEmitter } from "../../hooks/useEventEmitter";
 
 export const VoiceBroadcastBody: React.FC<IBodyProps> = ({ mxEvent }) => {
     const client = MatrixClientPeg.get();
-    const room = client.getRoom(mxEvent.getRoomId());
     const recording = VoiceBroadcastRecordingsStore.instance().getByInfoEvent(mxEvent, client);
-    const [recordingState, setRecordingState] = useState(recording.getState());
-
-    useTypedEventEmitter(
-        recording,
-        VoiceBroadcastRecordingEvent.StateChanged,
-        (state: VoiceBroadcastInfoState, _recording: VoiceBroadcastRecording) => {
-            setRecordingState(state);
-        },
-    );
-
-    const stopVoiceBroadcast = () => {
-        if (recordingState !== VoiceBroadcastInfoState.Started) return;
-        recording.stop();
-    };
 
     return <VoiceBroadcastRecordingBody
-        onClick={stopVoiceBroadcast}
+        recording={recording}
-        live={recordingState === VoiceBroadcastInfoState.Started}
-        sender={mxEvent.sender}
-        roomName={room.name}
     />;
 };

src/voice-broadcast/components/molecules/VoiceBroadcastRecordingBody.tsx

@@ -1,12 +1,9 @@
 /*
 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.
@@ -14,28 +11,26 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import React, { MouseEventHandler } from "react";
+import React from "react";
-import { RoomMember } from "matrix-js-sdk/src/matrix";
 
-import { VoiceBroadcastHeader } from "../..";
+import { useVoiceBroadcastRecording, VoiceBroadcastHeader, VoiceBroadcastRecording } from "../..";
 
 interface VoiceBroadcastRecordingBodyProps {
-    live: boolean;
+    recording: VoiceBroadcastRecording;
-    onClick: MouseEventHandler<HTMLDivElement>;
-    roomName: string;
-    sender: RoomMember;
 }
 
-export const VoiceBroadcastRecordingBody: React.FC<VoiceBroadcastRecordingBodyProps> = ({
+export const VoiceBroadcastRecordingBody: React.FC<VoiceBroadcastRecordingBodyProps> = ({ recording }) => {
+    const {
         live,
-    onClick,
         roomName,
         sender,
-}) => {
+        stopRecording,
+    } = useVoiceBroadcastRecording(recording);
+
     return (
         <div
             className="mx_VoiceBroadcastRecordingBody"
-            onClick={onClick}
+            onClick={stopRecording}
         >
             <VoiceBroadcastHeader
                 live={live}

src/voice-broadcast/hooks/useVoiceBroadcastRecording.ts

@@ -0,0 +1,51 @@
+/*
+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 { useState } from "react";
+
+import {
+    VoiceBroadcastInfoState,
+    VoiceBroadcastRecording,
+    VoiceBroadcastRecordingEvent,
+    VoiceBroadcastRecordingsStore,
+} from "..";
+import { useTypedEventEmitter } from "../../hooks/useEventEmitter";
+import { MatrixClientPeg } from "../../MatrixClientPeg";
+
+export const useVoiceBroadcastRecording = (recording: VoiceBroadcastRecording) => {
+    const client = MatrixClientPeg.get();
+    const room = client.getRoom(recording.infoEvent.getRoomId());
+    const stopRecording = () => {
+        recording.stop();
+        VoiceBroadcastRecordingsStore.instance().clearCurrent();
+    };
+
+    const [live, setLive] = useState(recording.getState() === VoiceBroadcastInfoState.Started);
+    useTypedEventEmitter(
+        recording,
+        VoiceBroadcastRecordingEvent.StateChanged,
+        (state: VoiceBroadcastInfoState, _recording: VoiceBroadcastRecording) => {
+            setLive(state === VoiceBroadcastInfoState.Started);
+        },
+    );
+
+    return {
+        live,
+        roomName: room.name,
+        sender: recording.infoEvent.sender,
+        stopRecording,
+    };
+};

src/voice-broadcast/index.ts

@@ -30,6 +30,7 @@ export * from "./models/VoiceBroadcastRecording";
 export * from "./stores/VoiceBroadcastRecordingsStore";
 export * from "./utils/shouldDisplayAsVoiceBroadcastTile";
 export * from "./utils/startNewVoiceBroadcastRecording";
+export * from "./hooks/useVoiceBroadcastRecording";
 
 export const VoiceBroadcastInfoEventType = "io.element.voice_broadcast_info";
 export const VoiceBroadcastChunkEventType = "io.element.voice_broadcast_chunk";

src/voice-broadcast/stores/VoiceBroadcastRecordingsStore.ts

@@ -50,6 +50,13 @@ export class VoiceBroadcastRecordingsStore extends TypedEventEmitter<VoiceBroadc
         return this.current;
     }
 
+    public clearCurrent(): void {
+        if (this.current === null) return;
+
+        this.current = null;
+        this.emit(VoiceBroadcastRecordingsStoreEvent.CurrentChanged, null);
+    }
+
     public getByInfoEvent(infoEvent: MatrixEvent, client: MatrixClient): VoiceBroadcastRecording {
         const infoEventId = infoEvent.getId();
 

test/voice-broadcast/components/VoiceBroadcastBody-test.tsx

@@ -16,9 +16,8 @@ limitations under the License.
 
 import React from "react";
 import { render, screen } from "@testing-library/react";
-import userEvent from "@testing-library/user-event";
-import { MatrixClient, MatrixEvent, Room } from "matrix-js-sdk/src/matrix";
 import { mocked } from "jest-mock";
+import { MatrixClient, MatrixEvent } from "matrix-js-sdk/src/matrix";
 
 import {
     VoiceBroadcastBody,
@@ -27,10 +26,8 @@ import {
     VoiceBroadcastRecordingBody,
     VoiceBroadcastRecordingsStore,
     VoiceBroadcastRecording,
-    VoiceBroadcastRecordingEvent,
 } from "../../../src/voice-broadcast";
-import { mkEvent, mkStubRoom, stubClient } from "../../test-utils";
+import { mkEvent, stubClient } from "../../test-utils";
-import { IBodyProps } from "../../../src/components/views/messages/IBodyProps";
 
 jest.mock("../../../src/voice-broadcast/components/molecules/VoiceBroadcastRecordingBody", () => ({
     VoiceBroadcastRecordingBody: jest.fn(),
@@ -38,12 +35,9 @@ jest.mock("../../../src/voice-broadcast/components/molecules/VoiceBroadcastRecor
 
 describe("VoiceBroadcastBody", () => {
     const roomId = "!room:example.com";
-    const recordingTestid = "voice-recording";
     let client: MatrixClient;
-    let room: Room;
     let infoEvent: MatrixEvent;
-    let recording: VoiceBroadcastRecording;
+    let testRecording: VoiceBroadcastRecording;
-    let onRecordingStateChanged: (state: VoiceBroadcastInfoState) => void;
 
     const mkVoiceBroadcastInfoEvent = (state: VoiceBroadcastInfoState) => {
         return mkEvent({
@@ -58,104 +52,39 @@ describe("VoiceBroadcastBody", () => {
     };
 
     const renderVoiceBroadcast = () => {
-        const props: IBodyProps = {
+        render(<VoiceBroadcastBody
-            mxEvent: infoEvent,
+            mxEvent={infoEvent}
-        } as unknown as IBodyProps;
+            mediaEventHelper={null}
-        render(<VoiceBroadcastBody {...props} />);
+            onHeightChanged={() => {}}
-        recording = VoiceBroadcastRecordingsStore.instance().getByInfoEvent(infoEvent, client);
+            onMessageAllowed={() => {}}
-        recording.on(VoiceBroadcastRecordingEvent.StateChanged, onRecordingStateChanged);
+            permalinkCreator={null}
-    };
+        />);
-
+        testRecording = VoiceBroadcastRecordingsStore.instance().getByInfoEvent(infoEvent, client);
-    const itShouldRenderALiveVoiceBroadcast = () => {
-        it("should render a live voice broadcast", () => {
-            expect(VoiceBroadcastRecordingBody).toHaveBeenCalledWith(
-                {
-                    onClick: expect.any(Function),
-                    live: true,
-                    sender: infoEvent.sender,
-                    roomName: room.name,
-                },
-                {},
-            );
-            screen.getByTestId(recordingTestid);
-            screen.getByText("Live");
-        });
-    };
-
-    const itShouldRenderANonLiveVoiceBroadcast = () => {
-        it("should render a non-live voice broadcast", () => {
-            expect(VoiceBroadcastRecordingBody).toHaveBeenCalledWith(
-                {
-                    onClick: expect.any(Function),
-                    live: false,
-                    sender: infoEvent.sender,
-                    roomName: room.name,
-                },
-                {},
-            );
-            expect(screen.getByTestId(recordingTestid)).not.toBeNull();
-            screen.getByTestId(recordingTestid);
-            expect(screen.queryByText("live")).toBeNull();
-        });
     };
 
     beforeEach(() => {
-        mocked(VoiceBroadcastRecordingBody).mockImplementation(
-            ({
-                live,
-                sender,
-                onClick,
-                roomName,
-            }) => {
-                return (
-                    <div
-                        data-testid={recordingTestid}
-                        onClick={onClick}
-                    >
-                        <div>{ sender.name }</div>
-                        <div>{ roomName }</div>
-                        <div>{ live && "Live" }</div>
-                    </div>
-                );
-            },
-        );
         client = stubClient();
-        room = mkStubRoom(roomId, "test room", client);
-        mocked(client.getRoom).mockImplementation((getRoomId: string) => {
-            if (getRoomId === roomId) {
-                return room;
-            }
-        });
         infoEvent = mkVoiceBroadcastInfoEvent(VoiceBroadcastInfoState.Started);
-        onRecordingStateChanged = jest.fn();
+        testRecording = new VoiceBroadcastRecording(infoEvent, client);
-    });
+        mocked(VoiceBroadcastRecordingBody).mockImplementation(({ recording }) => {
-
+            if (testRecording === recording) {
-    afterEach(() => {
+                return <div data-testid="voice-broadcast-recording-body" />;
-        if (recording && onRecordingStateChanged) {
-            recording.off(VoiceBroadcastRecordingEvent.StateChanged, onRecordingStateChanged);
             }
         });
 
-    describe("when there is a Started Voice Broadcast info event", () => {
+        jest.spyOn(VoiceBroadcastRecordingsStore.instance(), "getByInfoEvent").mockImplementation(
-        beforeEach(() => {
+            (getEvent: MatrixEvent, getClient: MatrixClient) => {
+                if (getEvent === infoEvent && getClient === client) {
+                    return testRecording;
+                }
+            },
+        );
+    });
+
+    describe("when rendering a voice broadcast", () => {
+        it("should render a voice broadcast recording body", () => {
             renderVoiceBroadcast();
-        });
+            screen.getByTestId("voice-broadcast-recording-body");
-
-        itShouldRenderALiveVoiceBroadcast();
-
-        describe("and it is clicked", () => {
-            beforeEach(async () => {
-                mocked(VoiceBroadcastRecordingBody).mockClear();
-                mocked(onRecordingStateChanged).mockClear();
-                await userEvent.click(screen.getByTestId(recordingTestid));
-            });
-
-            itShouldRenderANonLiveVoiceBroadcast();
-
-            it("should call stop on the recording", () => {
-                expect(recording.getState()).toBe(VoiceBroadcastInfoState.Stopped);
-                expect(onRecordingStateChanged).toHaveBeenCalledWith(VoiceBroadcastInfoState.Stopped);
-            });
         });
     });
 });

test/voice-broadcast/components/molecules/VoiceBroadcastRecordingBody-test.tsx

@@ -14,45 +14,43 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import React, { MouseEventHandler } from "react";
+import React from "react";
 import { render, RenderResult } from "@testing-library/react";
 import userEvent from "@testing-library/user-event";
-import { RoomMember } from "matrix-js-sdk/src/matrix";
+import { MatrixClient, MatrixEvent } from "matrix-js-sdk/src/matrix";
 
-import { VoiceBroadcastHeader, VoiceBroadcastRecordingBody } from "../../../../src/voice-broadcast";
+import {
-
+    VoiceBroadcastInfoEventType,
-jest.mock("../../../../src/voice-broadcast/components/atoms/VoiceBroadcastHeader", () => ({
+    VoiceBroadcastInfoState,
-    VoiceBroadcastHeader: ({ live, sender, roomName }: React.ComponentProps<typeof VoiceBroadcastHeader>) => {
+    VoiceBroadcastRecording,
-        return <div data-testid="voice-broadcast-header">
+    VoiceBroadcastRecordingBody,
-            live: { live },
+} from "../../../../src/voice-broadcast";
-            sender: { sender.userId },
+import { mkEvent, stubClient } from "../../../test-utils";
-            room name: { roomName }
-        </div>;
-    },
-}));
 
 describe("VoiceBroadcastRecordingBody", () => {
-    const testRoomName = "test room name";
     const userId = "@user:example.com";
-    const roomMember = new RoomMember("!room:example.com", userId);
+    const roomId = "!room:example.com";
-    let onClick: MouseEventHandler<HTMLDivElement>;
+    let client: MatrixClient;
+    let infoEvent: MatrixEvent;
+    let recording: VoiceBroadcastRecording;
 
-    beforeEach(() => {
+    beforeAll(() => {
-        onClick = jest.fn();
+        client = stubClient();
+        infoEvent = mkEvent({
+            event: true,
+            type: VoiceBroadcastInfoEventType,
+            content: {},
+            room: roomId,
+            user: userId,
+        });
+        recording = new VoiceBroadcastRecording(infoEvent, client);
     });
 
-    describe("when rendered", () => {
+    describe("when rendering a live broadcast", () => {
         let renderResult: RenderResult;
 
         beforeEach(() => {
-            renderResult = render(
+            renderResult = render(<VoiceBroadcastRecordingBody recording={recording} />);
-                <VoiceBroadcastRecordingBody
-                    onClick={onClick}
-                    roomName={testRoomName}
-                    live={true}
-                    sender={roomMember}
-                />,
-            );
         });
 
         it("should render the expected HTML", () => {
@@ -61,27 +59,21 @@ describe("VoiceBroadcastRecordingBody", () => {
 
         describe("and clicked", () => {
             beforeEach(async () => {
-                await userEvent.click(renderResult.getByTestId("voice-broadcast-header"));
+                await userEvent.click(renderResult.getByText("My room"));
             });
 
-            it("should call the onClick prop", () => {
+            it("should stop the recording", () => {
-                expect(onClick).toHaveBeenCalled();
+                expect(recording.getState()).toBe(VoiceBroadcastInfoState.Stopped);
             });
         });
     });
 
-    describe("when non-live rendered", () => {
+    describe("when rendering a non-live broadcast", () => {
         let renderResult: RenderResult;
 
         beforeEach(() => {
-            renderResult = render(
+            recording.stop();
-                <VoiceBroadcastRecordingBody
+            renderResult = render(<VoiceBroadcastRecordingBody recording={recording} />);
-                    onClick={onClick}
-                    roomName={testRoomName}
-                    live={false}
-                    sender={roomMember}
-                />,
-            );
         });
 
         it("should not render the live badge", () => {

test/voice-broadcast/components/molecules/__snapshots__/VoiceBroadcastRecordingBody-test.tsx.snap

@@ -1,18 +1,58 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`VoiceBroadcastRecordingBody when rendered should render the expected HTML 1`] = `
+exports[`VoiceBroadcastRecordingBody when rendering a live broadcast should render the expected HTML 1`] = `
 <div>
   <div
     class="mx_VoiceBroadcastRecordingBody"
   >
     <div
-      data-testid="voice-broadcast-header"
+      class="mx_VoiceBroadcastHeader"
+    >
+      <span
+        class="mx_BaseAvatar"
+        role="presentation"
+      >
+        <span
+          aria-hidden="true"
+          class="mx_BaseAvatar_initial"
+          style="font-size: 26px; width: 40px; line-height: 40px;"
+        >
+          U
+        </span>
+        <img
+          alt=""
+          aria-hidden="true"
+          class="mx_BaseAvatar_image"
+          src="data:image/png;base64,00"
+          style="width: 40px; height: 40px;"
+          title="@user:example.com"
+        />
+      </span>
+      <div
+        class="mx_VoiceBroadcastHeader_content"
+      >
+        <div
+          class="mx_VoiceBroadcastHeader_sender"
         >
-      live: 
-      , sender: 
           @user:example.com
-      , room name: 
+        </div>
-      test room name
+        <div
+          class="mx_VoiceBroadcastHeader_room"
+        >
+          My room
+        </div>
+      </div>
+      <div
+        class="mx_LiveBadge"
+      >
+        <i
+          aria-hidden="true"
+          class="mx_Icon mx_Icon_16 mx_Icon_live-badge"
+          role="presentation"
+          style="mask-image: url(\\"image-file-stub\\");"
+        />
+        Live
+      </div>
     </div>
   </div>
 </div>

test/voice-broadcast/stores/VoiceBroadcastRecordingsStore-test.ts

@@ -97,6 +97,20 @@ describe("VoiceBroadcastRecordingsStore", () => {
                 expect(onCurrentChanged).not.toHaveBeenCalled();
             });
         });
+
+        describe("and calling clearCurrent()", () => {
+            beforeEach(() => {
+                recordings.clearCurrent();
+            });
+
+            it("should clear the current recording", () => {
+                expect(recordings.getCurrent()).toBeNull();
+            });
+
+            it("should emit a current changed event", () => {
+                expect(onCurrentChanged).toHaveBeenCalledWith(null);
+            });
+        });
     });
 
     describe("getByInfoEventId", () => {