72 lines
2.7 KiB
TypeScript
72 lines
2.7 KiB
TypeScript
/*
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Copyright 2021 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import { Room } from "matrix-js-sdk/src/models/room";
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import { RoomListStoreClass } from "./RoomListStore";
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import { SpaceFilterCondition } from "./filters/SpaceFilterCondition";
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import SpaceStore, { UPDATE_HOME_BEHAVIOUR, UPDATE_SELECTED_SPACE } from "../SpaceStore";
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/**
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* Watches for changes in spaces to manage the filter on the provided RoomListStore
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*/
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export class SpaceWatcher {
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private readonly filter = new SpaceFilterCondition();
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// we track these separately to the SpaceStore as we need to observe transitions
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private activeSpace: Room = SpaceStore.instance.activeSpace;
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private allRoomsInHome: boolean = SpaceStore.instance.allRoomsInHome;
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constructor(private store: RoomListStoreClass) {
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if (!this.allRoomsInHome || this.activeSpace) {
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this.updateFilter();
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store.addFilter(this.filter);
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}
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SpaceStore.instance.on(UPDATE_SELECTED_SPACE, this.onSelectedSpaceUpdated);
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SpaceStore.instance.on(UPDATE_HOME_BEHAVIOUR, this.onHomeBehaviourUpdated);
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}
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private onSelectedSpaceUpdated = (activeSpace?: Room, allRoomsInHome = this.allRoomsInHome) => {
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if (activeSpace === this.activeSpace && allRoomsInHome === this.allRoomsInHome) return; // nop
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const oldActiveSpace = this.activeSpace;
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const oldAllRoomsInHome = this.allRoomsInHome;
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this.activeSpace = activeSpace;
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this.allRoomsInHome = allRoomsInHome;
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if (activeSpace || !allRoomsInHome) {
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this.updateFilter();
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}
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if (oldAllRoomsInHome && !oldActiveSpace) {
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this.store.addFilter(this.filter);
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} else if (allRoomsInHome && !activeSpace) {
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this.store.removeFilter(this.filter);
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}
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};
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private onHomeBehaviourUpdated = (allRoomsInHome: boolean) => {
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this.onSelectedSpaceUpdated(this.activeSpace, allRoomsInHome);
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};
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private updateFilter = () => {
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if (this.activeSpace) {
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SpaceStore.instance.traverseSpace(this.activeSpace.roomId, roomId => {
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this.store.matrixClient?.getRoom(roomId)?.loadMembersIfNeeded();
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});
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}
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this.filter.updateSpace(this.activeSpace);
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};
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}
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