Space preferences for whether or not you see DMs in a Space

res/css/_components.scss

@@ -112,6 +112,7 @@
 @import "./views/dialogs/_SettingsDialog.scss";
 @import "./views/dialogs/_ShareDialog.scss";
 @import "./views/dialogs/_SlashCommandHelpDialog.scss";
+@import "./views/dialogs/_SpacePreferencesDialog.scss";
 @import "./views/dialogs/_SpaceSettingsDialog.scss";
 @import "./views/dialogs/_SpotlightDialog.scss";
 @import "./views/dialogs/_TabbedIntegrationManagerDialog.scss";

res/css/structures/_SpacePanel.scss

@@ -396,6 +396,10 @@ $activeBorderColor: $primary-content;
         mask-image: url('$(res)/img/element-icons/roomlist/search.svg');
     }
 
+    .mx_SpacePanel_iconPreferences::before {
+        mask-image: url('$(res)/img/element-icons/settings/preference.svg');
+    }
+
     .mx_SpacePanel_noIcon {
         display: none;
 

res/css/views/dialogs/_SettingsDialog.scss

@@ -15,7 +15,10 @@ limitations under the License.
 */
 
 // Not actually a component but things shared by settings components
-.mx_UserSettingsDialog, .mx_RoomSettingsDialog, .mx_SpaceSettingsDialog {
+.mx_UserSettingsDialog,
+.mx_RoomSettingsDialog,
+.mx_SpaceSettingsDialog,
+.mx_SpacePreferencesDialog {
     width: 90vw;
     max-width: 1000px;
     // set the height too since tabbed view scrolls itself.

res/css/views/dialogs/_SpacePreferencesDialog.scss

@@ -0,0 +1,34 @@
+/*
+Copyright 2021 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.
+*/
+
+.mx_SpacePreferencesDialog {
+    width: 700px;
+    height: 400px;
+
+    .mx_TabbedView .mx_SettingsTab {
+        min-width: unset;
+
+        .mx_SettingsTab_section {
+            font-size: $font-15px;
+            line-height: $font-24px;
+
+            .mx_Checkbox + p {
+                color: $secondary-content;
+                margin: 0 20px 0 24px;
+            }
+        }
+    }
+}

src/components/views/context_menus/SpaceContextMenu.tsx

@@ -29,6 +29,7 @@ import {
     showCreateNewRoom,
     showCreateNewSubspace,
     showSpaceInvite,
+    showSpacePreferences,
     showSpaceSettings,
 } from "../../../utils/space";
 import MatrixClientContext from "../../../contexts/MatrixClientContext";
@@ -166,6 +167,14 @@ const SpaceContextMenu = ({ space, hideHeader, onFinished, ...props }: IProps) =
         </>;
     }
 
+    const onPreferencesClick = (ev: ButtonEvent) => {
+        ev.preventDefault();
+        ev.stopPropagation();
+
+        showSpacePreferences(space);
+        onFinished();
+    };
+
     const onExploreRoomsClick = (ev: ButtonEvent) => {
         ev.preventDefault();
         ev.stopPropagation();
@@ -193,6 +202,11 @@ const SpaceContextMenu = ({ space, hideHeader, onFinished, ...props }: IProps) =
                 label={canAddRooms ? _t("Manage & explore rooms") : _t("Explore rooms")}
                 onClick={onExploreRoomsClick}
             />
+            <IconizedContextMenuOption
+                iconClassName="mx_SpacePanel_iconPreferences"
+                label={_t("Preferences")}
+                onClick={onPreferencesClick}
+            />
             { settingsOption }
             { leaveOption }
             { devtoolsOption }

src/components/views/dialogs/SpacePreferencesDialog.tsx

@@ -0,0 +1,99 @@
+/*
+Copyright 2021 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 React, { ChangeEvent } from "react";
+import { Room } from "matrix-js-sdk/src/models/room";
+
+import { _t, _td } from '../../../languageHandler';
+import BaseDialog from "../dialogs/BaseDialog";
+import { IDialogProps } from "./IDialogProps";
+import TabbedView, { Tab } from "../../structures/TabbedView";
+import StyledCheckbox from "../elements/StyledCheckbox";
+import { useSettingValue } from "../../../hooks/useSettings";
+import SettingsStore from "../../../settings/SettingsStore";
+import { SettingLevel } from "../../../settings/SettingLevel";
+import RoomName from "../elements/RoomName";
+
+export enum SpacePreferenceTab {
+    Appearance = "SPACE_PREFERENCE_APPEARANCE_TAB",
+}
+
+interface IProps extends IDialogProps {
+    space: Room;
+    initialTabId?: SpacePreferenceTab;
+}
+
+const SpacePreferencesAppearanceTab = ({ space }: Pick<IProps, "space">) => {
+    const showPeople = useSettingValue("Spaces.showPeopleInSpace", space.roomId);
+
+    return (
+        <div className="mx_SettingsTab">
+            <div className="mx_SettingsTab_heading">{ _t("Sections to show") }</div>
+
+            <div className="mx_SettingsTab_section">
+                <StyledCheckbox
+                    checked={!!showPeople}
+                    onChange={(e: ChangeEvent<HTMLInputElement>) => {
+                        SettingsStore.setValue(
+                            "Spaces.showPeopleInSpace",
+                            space.roomId,
+                            SettingLevel.ROOM_ACCOUNT,
+                            !showPeople,
+                        );
+                    }}
+                >
+                    { _t("People") }
+                </StyledCheckbox>
+                <p>
+                    { _t("This groups your chats with members of this space. " +
+                        "Turning this off will hide those chats from your view of %(spaceName)s.", {
+                        spaceName: space.name,
+                    }) }
+                </p>
+            </div>
+        </div>
+    );
+};
+
+const SpacePreferencesDialog: React.FC<IProps> = ({ space, initialTabId, onFinished }) => {
+    const tabs = [
+        new Tab(
+            SpacePreferenceTab.Appearance,
+            _td("Appearance"),
+            "mx_RoomSettingsDialog_notificationsIcon",
+            <SpacePreferencesAppearanceTab space={space} />,
+        ),
+    ];
+
+    return (
+        <BaseDialog
+            className="mx_SpacePreferencesDialog"
+            hasCancel
+            onFinished={onFinished}
+            title={_t("Preferences")}
+            fixedWidth={false}
+        >
+            <h4>
+                <RoomName room={space} />
+            </h4>
+            <div className="mx_SettingsDialog_content">
+                <TabbedView tabs={tabs} initialTabId={initialTabId} />
+            </div>
+        </BaseDialog>
+    );
+};
+
+export default SpacePreferencesDialog;

src/components/views/dialogs/UserSettingsDialog.tsx

@@ -52,7 +52,7 @@ export enum UserTab {
 }
 
 interface IProps extends IDialogProps {
-    initialTabId?: string;
+    initialTabId?: UserTab;
 }
 
 interface IState {

src/components/views/rooms/NewRoomIntro.tsx

@@ -129,7 +129,7 @@ const NewRoomIntro = () => {
         let parentSpace: Room;
         if (
             SpaceStore.instance.activeSpaceRoom?.canInvite(cli.getUserId()) &&
-            SpaceStore.instance.getSpaceFilteredRoomIds(SpaceStore.instance.activeSpace).has(room.roomId)
+            SpaceStore.instance.isRoomInSpace(SpaceStore.instance.activeSpace, room.roomId)
         ) {
             parentSpace = SpaceStore.instance.activeSpaceRoom;
         }

src/components/views/rooms/RoomList.tsx

@@ -52,6 +52,7 @@ import {
     SpaceKey,
     UPDATE_SUGGESTED_ROOMS,
     UPDATE_SELECTED_SPACE,
+    isMetaSpace,
 } from "../../../stores/spaces";
 import { shouldShowSpaceInvite, showAddExistingRooms, showCreateNewRoom, showSpaceInvite } from "../../../utils/space";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
@@ -62,6 +63,7 @@ import AccessibleTooltipButton from "../elements/AccessibleTooltipButton";
 import { useEventEmitterState } from "../../../hooks/useEventEmitter";
 import { ChevronFace, ContextMenuTooltipButton, useContextMenu } from "../../structures/ContextMenu";
 import MatrixClientContext from "../../../contexts/MatrixClientContext";
+import SettingsStore from "../../../settings/SettingsStore";
 
 interface IProps {
     onKeyDown: (ev: React.KeyboardEvent, state: IRovingTabIndexState) => void;
@@ -493,10 +495,10 @@ export default class RoomList extends React.PureComponent<IProps, IState> {
     };
 
     private onExplore = () => {
-        if (this.props.activeSpace[0] === "!") {
+        if (!isMetaSpace(this.props.activeSpace)) {
             defaultDispatcher.dispatch({
                 action: "view_room",
-                room_id: SpaceStore.instance.activeSpace,
+                room_id: this.props.activeSpace,
             });
         } else {
             const initialText = RoomListStore.instance.getFirstNameFilterCondition()?.search;
@@ -611,7 +613,12 @@ export default class RoomList extends React.PureComponent<IProps, IState> {
                 if (
                     (this.props.activeSpace === MetaSpace.Favourites && orderedTagId !== DefaultTagID.Favourite) ||
                     (this.props.activeSpace === MetaSpace.People && orderedTagId !== DefaultTagID.DM) ||
-                    (this.props.activeSpace === MetaSpace.Orphans && orderedTagId === DefaultTagID.DM)
+                    (this.props.activeSpace === MetaSpace.Orphans && orderedTagId === DefaultTagID.DM) ||
+                    (
+                        !isMetaSpace(this.props.activeSpace) &&
+                        orderedTagId === DefaultTagID.DM &&
+                        !SettingsStore.getValue("Spaces.showPeopleInSpace", this.props.activeSpace)
+                    )
                 ) {
                     alwaysVisible = false;
                 }
@@ -668,7 +675,7 @@ export default class RoomList extends React.PureComponent<IProps, IState> {
                         kind="link"
                         onClick={this.onExplore}
                     >
-                        { this.props.activeSpace[0] === "!" ? _t("Explore rooms") : _t("Explore all public rooms") }
+                        { !isMetaSpace(this.props.activeSpace) ? _t("Explore rooms") : _t("Explore all public rooms") }
                     </AccessibleButton>
                 </div>;
             }

src/components/views/spaces/SpaceTreeLevel.tsx

@@ -176,7 +176,7 @@ export class SpaceItem extends React.PureComponent<IItemProps, IItemState> {
         );
 
         this.state = {
-            collapsed: collapsed,
+            collapsed,
             childSpaces: this.childSpaces,
         };
 

src/i18n/strings/en_EN.json

@@ -2727,6 +2727,8 @@
     "Link to selected message": "Link to selected message",
     "Link to room": "Link to room",
     "Command Help": "Command Help",
+    "Sections to show": "Sections to show",
+    "This groups your chats with members of this space. Turning this off will hide those chats from your view of %(spaceName)s.": "This groups your chats with members of this space. Turning this off will hide those chats from your view of %(spaceName)s.",
     "Space settings": "Space settings",
     "Settings - %(spaceName)s": "Settings - %(spaceName)s",
     "Spaces you're in": "Spaces you're in",

src/settings/Settings.tsx

@@ -872,6 +872,11 @@ export const SETTINGS: {[setting: string]: ISetting} = {
             [MetaSpace.Home]: true,
         }, false),
     },
+    "Spaces.showPeopleInSpace": {
+        supportedLevels: [SettingLevel.ROOM_ACCOUNT],
+        default: true,
+        controller: new IncompatibleController("showCommunitiesInsteadOfSpaces", null),
+    },
     "showCommunitiesInsteadOfSpaces": {
         displayName: _td("Display Communities instead of Spaces"),
         description: _td("Temporarily show communities instead of Spaces for this session. " +

src/settings/WatchManager.ts

@@ -18,7 +18,7 @@ import { SettingLevel } from "./SettingLevel";
 
 export type CallbackFn = (changedInRoomId: string, atLevel: SettingLevel, newValAtLevel: any) => void;
 
-const IRRELEVANT_ROOM = Symbol("irrelevant-room");
+const IRRELEVANT_ROOM: string = null;
 
 /**
  * Generalized management class for dealing with watchers on a per-handler (per-level)

src/stores/room-list/SpaceWatcher.ts

@@ -17,7 +17,7 @@ limitations under the License.
 import { RoomListStoreClass } from "./RoomListStore";
 import { SpaceFilterCondition } from "./filters/SpaceFilterCondition";
 import SpaceStore from "../spaces/SpaceStore";
-import { MetaSpace, SpaceKey, UPDATE_HOME_BEHAVIOUR, UPDATE_SELECTED_SPACE } from "../spaces";
+import { isMetaSpace, MetaSpace, SpaceKey, UPDATE_HOME_BEHAVIOUR, UPDATE_SELECTED_SPACE } from "../spaces";
 
 /**
  * Watches for changes in spaces to manage the filter on the provided RoomListStore
@@ -66,7 +66,7 @@ export class SpaceWatcher {
     };
 
     private updateFilter = () => {
-        if (this.activeSpace[0] === "!") {
+        if (!isMetaSpace(this.activeSpace)) {
             SpaceStore.instance.traverseSpace(this.activeSpace, roomId => {
                 this.store.matrixClient?.getRoom(roomId)?.loadMembersIfNeeded();
             });

src/stores/room-list/filters/SpaceFilterCondition.ts

@@ -22,6 +22,7 @@ import { IDestroyable } from "../../../utils/IDestroyable";
 import SpaceStore from "../../spaces/SpaceStore";
 import { MetaSpace, SpaceKey } from "../../spaces";
 import { setHasDiff } from "../../../utils/sets";
+import SettingsStore from "../../../settings/SettingsStore";
 
 /**
  * A filter condition for the room list which reveals rooms which
@@ -31,22 +32,35 @@ import { setHasDiff } from "../../../utils/sets";
  */
 export class SpaceFilterCondition extends EventEmitter implements IFilterCondition, IDestroyable {
     private roomIds = new Set<string>();
+    private userIds = new Set<string>();
+    private showPeopleInSpace = true;
     private space: SpaceKey = MetaSpace.Home;
 
     public get kind(): FilterKind {
         return FilterKind.Prefilter;
     }
 
     public isVisible(room: Room): boolean {
-        return this.roomIds.has(room.roomId);
+        return SpaceStore.instance.isRoomInSpace(this.space, room.roomId);
     }
 
     private onStoreUpdate = async (): Promise<void> => {
         const beforeRoomIds = this.roomIds;
         // clone the set as it may be mutated by the space store internally
         this.roomIds = new Set(SpaceStore.instance.getSpaceFilteredRoomIds(this.space));
 
-        if (setHasDiff(beforeRoomIds, this.roomIds)) {
+        const beforeUserIds = this.userIds;
+        // clone the set as it may be mutated by the space store internally
+        this.userIds = new Set(SpaceStore.instance.getSpaceFilteredUserIds(this.space));
+
+        const beforeShowPeopleInSpace = this.showPeopleInSpace;
+        this.showPeopleInSpace = this.space[0] !== "!" ||
+            SettingsStore.getValue("Spaces.showPeopleInSpace", this.space);
+
+        if (beforeShowPeopleInSpace !== this.showPeopleInSpace ||
+            setHasDiff(beforeRoomIds, this.roomIds) ||
+            setHasDiff(beforeUserIds, this.userIds)
+        ) {
             this.emit(FILTER_CHANGED);
             // XXX: Room List Store has a bug where updates to the pre-filter during a local echo of a
             // tags transition seem to be ignored, so refire in the next tick to work around it