Tweak default right panel size to be 320px except for maximised widgets at 420px

package.json

@@ -72,7 +72,7 @@
     },
     "dependencies": {
         "@babel/runtime": "^7.12.5",
-        "@matrix-org/analytics-events": "^0.25.0",
+        "@matrix-org/analytics-events": "^0.26.0",
         "@matrix-org/emojibase-bindings": "^1.1.2",
         "@matrix-org/matrix-wysiwyg": "2.37.9",
         "@matrix-org/react-sdk-module-api": "^2.4.0",

src/components/structures/MainSplit.tsx

@@ -10,8 +10,10 @@ Please see LICENSE files in the repository root for full details.
 import React, { ReactNode } from "react";
 import { NumberSize, Resizable } from "re-resizable";
 import { Direction } from "re-resizable/lib/resizer";
+import { WebPanelResize } from "@matrix-org/analytics-events/types/typescript/WebPanelResize";
 
 import ResizeNotifier from "../../utils/ResizeNotifier";
+import { PosthogAnalytics } from "../../PosthogAnalytics.ts";
 
 interface IProps {
     resizeNotifier: ResizeNotifier;
@@ -26,14 +28,16 @@ interface IProps {
      */
     sizeKey?: string;
     /**
-     * The size to use for the panel component if one isn't persisted in storage. Defaults to 350.
+     * The size to use for the panel component if one isn't persisted in storage. Defaults to 320.
      */
     defaultSize: number;
+
+    analyticsRoomType: WebPanelResize["roomType"];
 }
 
 export default class MainSplit extends React.Component<IProps> {
     public static defaultProps = {
-        defaultSize: 350,
+        defaultSize: 320,
     };
 
     private onResizeStart = (): void => {
@@ -58,11 +62,16 @@ export default class MainSplit extends React.Component<IProps> {
         elementRef: HTMLElement,
         delta: NumberSize,
     ): void => {
+        const newSize = this.loadSidePanelSize().width + delta.width;
         this.props.resizeNotifier.stopResizing();
-        window.localStorage.setItem(
-            this.sizeSettingStorageKey,
-            (this.loadSidePanelSize().width + delta.width).toString(),
-        );
+        window.localStorage.setItem(this.sizeSettingStorageKey, newSize.toString());
+
+        PosthogAnalytics.instance.trackEvent<WebPanelResize>({
+            eventName: "WebPanelResize",
+            panel: "right",
+            roomType: this.props.analyticsRoomType,
+            size: newSize,
+        });
     };
 
     private loadSidePanelSize(): { height: string | number; width: number } {

src/components/structures/RoomView.tsx

@@ -9,7 +9,7 @@ SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
 Please see LICENSE files in the repository root for full details.
 */
 
-import React, { ChangeEvent, createRef, ReactElement, ReactNode, RefObject, useContext } from "react";
+import React, { ChangeEvent, ComponentProps, createRef, ReactElement, ReactNode, RefObject, useContext } from "react";
 import classNames from "classnames";
 import {
     IRecommendedVersion,
@@ -54,7 +54,7 @@ import WidgetEchoStore from "../../stores/WidgetEchoStore";
 import SettingsStore from "../../settings/SettingsStore";
 import { Layout } from "../../settings/enums/Layout";
 import AccessibleButton, { ButtonEvent } from "../views/elements/AccessibleButton";
-import RoomContext, { TimelineRenderingType } from "../../contexts/RoomContext";
+import RoomContext, { TimelineRenderingType, MainSplitContentType } from "../../contexts/RoomContext";
 import { E2EStatus, shieldStatusForRoom } from "../../utils/ShieldUtils";
 import { Action } from "../../dispatcher/actions";
 import { IMatrixClientCreds } from "../../MatrixClientPeg";
@@ -152,13 +152,8 @@ interface IRoomProps {
     onRegistered?(credentials: IMatrixClientCreds): void;
 }
 
-// This defines the content of the mainSplit.
-// If the mainSplit does not contain the Timeline, the chat is shown in the right panel.
-export enum MainSplitContentType {
-    Timeline,
-    MaximisedWidget,
-    Call,
-}
+export { MainSplitContentType };
+
 export interface IRoomState {
     room?: Room;
     virtualRoom?: Room;
@@ -191,11 +186,6 @@ export interface IRoomState {
     showApps: boolean;
     isPeeking: boolean;
     showRightPanel: boolean;
-    /**
-     * Whether the right panel shown is either of ThreadPanel or ThreadView.
-     * Always false when `showRightPanel` is false.
-     */
-    threadRightPanel: boolean;
     // error object, as from the matrix client/server API
     // If we failed to load information about the room,
     // store the error here.
@@ -234,7 +224,7 @@ export interface IRoomState {
     e2eStatus?: E2EStatus;
     rejecting?: boolean;
     hasPinnedWidgets?: boolean;
-    mainSplitContentType?: MainSplitContentType;
+    mainSplitContentType: MainSplitContentType;
     // whether or not a spaces context switch brought us here,
     // if it did we don't want the room to be marked as read as soon as it is loaded.
     wasContextSwitch?: boolean;
@@ -399,7 +389,6 @@ export class RoomView extends React.Component<IRoomProps, IRoomState> {
             showApps: false,
             isPeeking: false,
             showRightPanel: false,
-            threadRightPanel: false,
             joining: false,
             showTopUnreadMessagesBar: false,
             statusBarVisible: false,
@@ -626,11 +615,6 @@ export class RoomView extends React.Component<IRoomProps, IRoomState> {
             mainSplitContentType: room ? this.getMainSplitContentType(room) : undefined,
             initialEventId: undefined, // default to clearing this, will get set later in the method if needed
             showRightPanel: roomId ? this.context.rightPanelStore.isOpenForRoom(roomId) : false,
-            threadRightPanel: roomId
-                ? [RightPanelPhases.ThreadView, RightPanelPhases.ThreadPanel].includes(
-                      this.context.rightPanelStore.currentCardForRoom(roomId).phase!,
-                  )
-                : false,
             activeCall: roomId ? CallStore.instance.getActiveCall(roomId) : null,
             promptAskToJoin: this.context.roomViewStore.promptAskToJoin(),
             viewRoomOpts: this.context.roomViewStore.getViewRoomOpts(),
@@ -1033,11 +1017,6 @@ export class RoomView extends React.Component<IRoomProps, IRoomState> {
         const { roomId } = this.state;
         this.setState({
             showRightPanel: roomId ? this.context.rightPanelStore.isOpenForRoom(roomId) : false,
-            threadRightPanel: roomId
-                ? [RightPanelPhases.ThreadView, RightPanelPhases.ThreadPanel].includes(
-                      this.context.rightPanelStore.currentCardForRoom(roomId).phase!,
-                  )
-                : false,
         });
     };
 
@@ -2531,6 +2510,17 @@ export class RoomView extends React.Component<IRoomProps, IRoomState> {
         }
         const mainSplitContentClasses = classNames("mx_RoomView_body", mainSplitContentClassName);
 
+        let sizeKey: string | undefined;
+        let defaultSize: number | undefined;
+        let analyticsRoomType: ComponentProps<typeof MainSplit>["analyticsRoomType"] = "other_room";
+        if (this.state.mainSplitContentType !== MainSplitContentType.Timeline) {
+            // Override defaults for video rooms where more space is needed for the chat timeline
+            sizeKey = "wide";
+            defaultSize = 420;
+            analyticsRoomType =
+                this.state.mainSplitContentType === MainSplitContentType.Call ? "video_room" : "maximised_widget";
+        }
+
         return (
             <RoomContext.Provider value={this.state}>
                 <div className={mainClasses} ref={this.roomView} onKeyDown={this.onReactKeyDown}>
@@ -2541,10 +2531,9 @@ export class RoomView extends React.Component<IRoomProps, IRoomState> {
                         <MainSplit
                             panel={rightPanel}
                             resizeNotifier={this.props.resizeNotifier}
-                            // Override defaults when a thread is being shown to allow persisting a separate
-                            // right panel width for thread panels as they tend to want to be wider.
-                            sizeKey={this.state.threadRightPanel ? "thread" : undefined}
-                            defaultSize={this.state.threadRightPanel ? 500 : undefined}
+                            sizeKey={sizeKey}
+                            defaultSize={defaultSize}
+                            analyticsRoomType={analyticsRoomType}
                         >
                             <div
                                 className={mainSplitContentClasses}

src/components/structures/SpaceRoomView.tsx

@@ -764,7 +764,7 @@ export default class SpaceRoomView extends React.PureComponent<IProps, IState> {
         return (
             <main className="mx_SpaceRoomView">
                 <ErrorBoundary>
-                    <MainSplit panel={rightPanel} resizeNotifier={this.props.resizeNotifier}>
+                    <MainSplit panel={rightPanel} resizeNotifier={this.props.resizeNotifier} analyticsRoomType="space">
                         {this.renderBody()}
                     </MainSplit>
                 </ErrorBoundary>

src/components/structures/UserView.tsx

@@ -87,7 +87,12 @@ export default class UserView extends React.Component<IProps, IState> {
                 />
             );
             return (
-                <MainSplit panel={panel} resizeNotifier={this.props.resizeNotifier}>
+                <MainSplit
+                    panel={panel}
+                    resizeNotifier={this.props.resizeNotifier}
+                    defaultSize={420}
+                    analyticsRoomType="user_profile"
+                >
                     <UserOnboardingPage />
                 </MainSplit>
             );

src/contexts/RoomContext.ts

@@ -21,6 +21,14 @@ export enum TimelineRenderingType {
     Pinned = "Pinned",
 }
 
+// This defines the content of the mainSplit.
+// If the mainSplit does not contain the Timeline, the chat is shown in the right panel.
+export enum MainSplitContentType {
+    Timeline,
+    MaximisedWidget,
+    Call,
+}
+
 const RoomContext = createContext<
     IRoomState & {
         threadId?: string;
@@ -35,7 +43,6 @@ const RoomContext = createContext<
     showApps: false,
     isPeeking: false,
     showRightPanel: true,
-    threadRightPanel: false,
     joining: false,
     showTopUnreadMessagesBar: false,
     statusBarVisible: false,
@@ -59,6 +66,7 @@ const RoomContext = createContext<
     matrixClientIsReady: false,
     showUrlPreview: false,
     timelineRenderingType: TimelineRenderingType.Room,
+    mainSplitContentType: MainSplitContentType.Timeline,
     threadId: undefined,
     liveTimeline: undefined,
     narrow: false,

test/components/structures/MainSplit-test.tsx

@@ -7,10 +7,11 @@ Please see LICENSE files in the repository root for full details.
 */
 
 import React from "react";
-import { render } from "@testing-library/react";
+import { fireEvent, render } from "@testing-library/react";
 
 import MainSplit from "../../../src/components/structures/MainSplit";
 import ResizeNotifier from "../../../src/utils/ResizeNotifier";
+import { PosthogAnalytics } from "../../../src/PosthogAnalytics.ts";
 
 describe("<MainSplit/>", () => {
     const resizeNotifier = new ResizeNotifier();
@@ -21,18 +22,33 @@ describe("<MainSplit/>", () => {
     );
     const panel = <div>Right panel</div>;
 
+    beforeEach(() => {
+        localStorage.clear();
+    });
+
     it("renders", () => {
         const { asFragment, container } = render(
-            <MainSplit resizeNotifier={resizeNotifier} children={children} panel={panel} />,
+            <MainSplit
+                resizeNotifier={resizeNotifier}
+                children={children}
+                panel={panel}
+                analyticsRoomType="other_room"
+            />,
         );
         expect(asFragment()).toMatchSnapshot();
-        // Assert it matches the default width of 350
-        expect(container.querySelector<HTMLElement>(".mx_RightPanel_ResizeWrapper")!.style.width).toBe("350px");
+        // Assert it matches the default width of 30
+        expect(container.querySelector<HTMLElement>(".mx_RightPanel_ResizeWrapper")!.style.width).toBe("320px");
     });
 
     it("respects defaultSize prop", () => {
         const { asFragment, container } = render(
-            <MainSplit resizeNotifier={resizeNotifier} children={children} panel={panel} defaultSize={500} />,
+            <MainSplit
+                resizeNotifier={resizeNotifier}
+                children={children}
+                panel={panel}
+                defaultSize={500}
+                analyticsRoomType="other_room"
+            />,
         );
         expect(asFragment()).toMatchSnapshot();
         // Assert it matches the default width of 350
@@ -48,8 +64,36 @@ describe("<MainSplit/>", () => {
                 panel={panel}
                 sizeKey="thread"
                 defaultSize={400}
+                analyticsRoomType="other_room"
             />,
         );
         expect(container.querySelector<HTMLElement>(".mx_RightPanel_ResizeWrapper")!.style.width).toBe("333px");
     });
+
+    it("should report to analytics on resize stop", () => {
+        const { container } = render(
+            <MainSplit
+                resizeNotifier={resizeNotifier}
+                children={children}
+                panel={panel}
+                sizeKey="thread"
+                defaultSize={400}
+                analyticsRoomType="other_room"
+            />,
+        );
+
+        const spy = jest.spyOn(PosthogAnalytics.instance, "trackEvent");
+
+        const handle = container.querySelector(".mx_ResizeHandle--horizontal")!;
+        fireEvent.mouseDown(handle);
+        fireEvent.mouseMove(handle, { clientX: 0 });
+        fireEvent.mouseUp(handle);
+
+        expect(spy).toHaveBeenCalledWith({
+            eventName: "WebPanelResize",
+            panel: "right",
+            roomType: "other_room",
+            size: 400,
+        });
+    });
 });

test/components/structures/RoomView-test.tsx

@@ -311,6 +311,12 @@ describe("RoomView", () => {
             expect(stores.rightPanelStore.isOpen).toEqual(true);
             expect(stores.rightPanelStore.currentCard.phase).toEqual(RightPanelPhases.Timeline);
         });
+
+        it("should render joined video room view", async () => {
+            jest.spyOn(room, "getMyMembership").mockReturnValue(KnownMembership.Join);
+            const { asFragment } = await mountRoomView();
+            expect(asFragment()).toMatchSnapshot();
+        });
     });
 
     describe("for a local room", () => {

test/components/structures/__snapshots__/MainSplit-test.tsx.snap

@@ -14,7 +14,7 @@ exports[`<MainSplit/> renders 1`] = `
     </div>
     <div
       class="mx_RightPanel_ResizeWrapper"
-      style="position: relative; user-select: auto; width: 350px; height: 100%; max-width: 50%; min-width: 264px; box-sizing: border-box; flex-shrink: 0;"
+      style="position: relative; user-select: auto; width: 320px; height: 100%; max-width: 50%; min-width: 264px; box-sizing: border-box; flex-shrink: 0;"
     >
       <div>
         Right panel