77 lines
2.6 KiB
TypeScript
77 lines
2.6 KiB
TypeScript
/*
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Copyright 2023 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 { MatrixClient } from "matrix-js-sdk/src/matrix";
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import { SettingLevel } from "../SettingLevel";
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import MatrixClientBackedController from "./MatrixClientBackedController";
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import { WatchManager } from "../WatchManager";
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import SettingsStore from "../SettingsStore";
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/**
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* Disables a given setting if the server unstable feature it requires is not supported
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* When a setting gets disabled or enabled from this controller it notifies the given WatchManager
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*/
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export default class ServerSupportUnstableFeatureController extends MatrixClientBackedController {
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private enabled: boolean | undefined;
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public constructor(
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private readonly settingName: string,
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private readonly watchers: WatchManager,
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private readonly unstableFeatures: string[],
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private readonly forcedValue: any = false,
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) {
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super();
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}
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public get disabled(): boolean {
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return !this.enabled;
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}
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public set disabled(v: boolean) {
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if (!v === this.enabled) return;
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this.enabled = !v;
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const level = SettingsStore.firstSupportedLevel(this.settingName);
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const settingValue = SettingsStore.getValue(this.settingName, null);
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this.watchers.notifyUpdate(this.settingName, null, level, settingValue);
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}
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protected async initMatrixClient(oldClient: MatrixClient, newClient: MatrixClient): Promise<void> {
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this.disabled = true;
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let supported = true;
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for (const feature of this.unstableFeatures) {
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supported = await this.client.doesServerSupportUnstableFeature(feature);
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if (!supported) break;
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}
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this.disabled = !supported;
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}
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public getValueOverride(
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level: SettingLevel,
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roomId: string,
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calculatedValue: any,
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calculatedAtLevel: SettingLevel | null,
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): any {
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if (this.settingDisabled) {
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return this.forcedValue;
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}
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return null; // no override
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}
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public get settingDisabled(): boolean {
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return this.disabled;
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}
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}
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