Bring back filter all spaces behaviour

src/components/structures/RoomSearch.tsx

@@ -17,6 +17,7 @@ limitations under the License.
 import * as React from "react";
 import { createRef } from "react";
 import classNames from "classnames";
+import { Room } from "matrix-js-sdk/src/models/room";
 
 import defaultDispatcher from "../../dispatcher/dispatcher";
 import { _t } from "../../languageHandler";
@@ -27,7 +28,7 @@ import RoomListStore from "../../stores/room-list/RoomListStore";
 import { NameFilterCondition } from "../../stores/room-list/filters/NameFilterCondition";
 import { getKeyBindingsManager, RoomListAction } from "../../KeyBindingsManager";
 import { replaceableComponent } from "../../utils/replaceableComponent";
-import SpaceStore, { UPDATE_SELECTED_SPACE } from "../../stores/SpaceStore";
+import SpaceStore, { UPDATE_SELECTED_SPACE, UPDATE_TOP_LEVEL_SPACES } from "../../stores/SpaceStore";
 
 interface IProps {
     isMinimized: boolean;
@@ -41,6 +42,7 @@ interface IProps {
 interface IState {
     query: string;
     focused: boolean;
+    inSpaces: boolean;
 }
 
 @replaceableComponent("structures.RoomSearch")
@@ -55,11 +57,13 @@ export default class RoomSearch extends React.PureComponent<IProps, IState> {
         this.state = {
             query: "",
             focused: false,
+            inSpaces: false,
         };
 
         this.dispatcherRef = defaultDispatcher.register(this.onAction);
         // clear filter when changing spaces, in future we may wish to maintain a filter per-space
         SpaceStore.instance.on(UPDATE_SELECTED_SPACE, this.clearInput);
+        SpaceStore.instance.on(UPDATE_TOP_LEVEL_SPACES, this.onSpaces);
     }
 
     public componentDidUpdate(prevProps: Readonly<IProps>, prevState: Readonly<IState>): void {
@@ -80,8 +84,15 @@ export default class RoomSearch extends React.PureComponent<IProps, IState> {
     public componentWillUnmount() {
         defaultDispatcher.unregister(this.dispatcherRef);
         SpaceStore.instance.off(UPDATE_SELECTED_SPACE, this.clearInput);
+        SpaceStore.instance.off(UPDATE_TOP_LEVEL_SPACES, this.onSpaces);
     }
 
+    private onSpaces = (spaces: Room[]) => {
+        this.setState({
+            inSpaces: spaces.length > 0,
+        });
+    };
+
     private onAction = (payload: ActionPayload) => {
         if (payload.action === 'view_room' && payload.clear_search) {
             this.clearInput();
@@ -153,6 +164,11 @@ export default class RoomSearch extends React.PureComponent<IProps, IState> {
             'mx_RoomSearch_inputExpanded': this.state.query || this.state.focused,
         });
 
+        let placeholder = _t("Filter");
+        if (this.state.inSpaces) {
+            placeholder = _t("Filter all spaces");
+        }
+
         let icon = (
             <div className='mx_RoomSearch_icon' />
         );
@@ -166,7 +182,7 @@ export default class RoomSearch extends React.PureComponent<IProps, IState> {
                 onBlur={this.onBlur}
                 onChange={this.onChange}
                 onKeyDown={this.onKeyDown}
-                placeholder={_t("Filter")}
+                placeholder={placeholder}
                 autoComplete="off"
             />
         );

src/components/views/rooms/RoomListNumResults.tsx

@@ -19,6 +19,7 @@ import React, {useState} from "react";
 import { _t } from "../../../languageHandler";
 import RoomListStore, { LISTS_UPDATE_EVENT } from "../../../stores/room-list/RoomListStore";
 import {useEventEmitter} from "../../../hooks/useEventEmitter";
+import SpaceStore from "../../../stores/SpaceStore";
 
 const RoomListNumResults: React.FC = () => {
     const [count, setCount] = useState<number>(null);
@@ -34,7 +35,10 @@ const RoomListNumResults: React.FC = () => {
     if (typeof count !== "number") return null;
 
     return <div className="mx_LeftPanel_roomListFilterCount">
-        { _t("%(count)s results", { count }) }
+        { SpaceStore.instance.spacePanelSpaces.length
+            ? _t("%(count)s results in all spaces", { count })
+            : _t("%(count)s results", { count })
+        }
     </div>;
 };
 

src/stores/room-list/RoomListStore.ts

@@ -601,7 +601,11 @@ export class RoomListStoreClass extends AsyncStoreWithClient<IState> {
 
         let rooms = this.matrixClient.getVisibleRooms().filter(r => VisibilityProvider.instance.isRoomVisible(r));
 
-        if (this.prefilterConditions.length > 0) {
+        // if spaces are enabled only consider the prefilter conditions when there are no runtime conditions
+        // for the search all spaces feature
+        if (this.prefilterConditions.length > 0
+            && (!SettingsStore.getValue("feature_spaces") || !this.filterConditions.length)
+        ) {
             rooms = rooms.filter(r => {
                 for (const filter of this.prefilterConditions) {
                     if (!filter.isVisible(r)) {
@@ -660,7 +664,7 @@ export class RoomListStoreClass extends AsyncStoreWithClient<IState> {
      * and thus might not cause an update to the store immediately.
      * @param {IFilterCondition} filter The filter condition to add.
      */
-    public addFilter(filter: IFilterCondition): void {
+    public async addFilter(filter: IFilterCondition): Promise<void> {
         if (SettingsStore.getValue("advancedRoomListLogging")) {
             // TODO: Remove debug: https://github.com/vector-im/element-web/issues/14602
             console.log("Adding filter condition:", filter);
@@ -672,6 +676,12 @@ export class RoomListStoreClass extends AsyncStoreWithClient<IState> {
             promise = this.recalculatePrefiltering();
         } else {
             this.filterConditions.push(filter);
+            // Runtime filters with spaces disable prefiltering for the search all spaces feature
+            if (SettingsStore.getValue("feature_spaces")) {
+                // this has to be awaited so that `setKnownRooms` is called in time for the `addFilterCondition` below
+                // this way the runtime filters are only evaluated on one dataset and not both.
+                await this.recalculatePrefiltering();
+            }
             if (this.algorithm) {
                 this.algorithm.addFilterCondition(filter);
             }
@@ -699,6 +709,10 @@ export class RoomListStoreClass extends AsyncStoreWithClient<IState> {
             if (this.algorithm) {
                 this.algorithm.removeFilterCondition(filter);
             }
+            // Runtime filters with spaces disable prefiltering for the search all spaces feature
+            if (SettingsStore.getValue("feature_spaces")) {
+                promise = this.recalculatePrefiltering();
+            }
         }
         idx = this.prefilterConditions.indexOf(filter);
         if (idx >= 0) {