Files
element-web/src/settings/controllers/MatrixClientBackedController.ts
2025-04-15 11:04:49 +01:00

45 lines
1.5 KiB
TypeScript

/*
Copyright 2024 New Vector Ltd.
Copyright 2023 The Matrix.org Foundation C.I.C.
SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only OR LicenseRef-Element-Commercial
Please see LICENSE files in the repository root for full details.
*/
import { type MatrixClient } from "matrix-js-sdk/src/matrix";
import SettingController from "./SettingController";
// Dev note: This whole class exists in the event someone logs out and back in - we want
// to make sure the right MatrixClient is listening for changes.
/**
* Represents the base class for settings controllers which need access to a MatrixClient.
* This class performs no logic and should be overridden.
*/
export default abstract class MatrixClientBackedController extends SettingController {
private static _matrixClient?: MatrixClient;
private static instances: MatrixClientBackedController[] = [];
public static set matrixClient(client: MatrixClient) {
const oldClient = MatrixClientBackedController._matrixClient;
MatrixClientBackedController._matrixClient = client;
for (const instance of MatrixClientBackedController.instances) {
instance.initMatrixClient?.(client, oldClient);
}
}
protected constructor() {
super();
MatrixClientBackedController.instances.push(this);
}
public get client(): MatrixClient | undefined {
return MatrixClientBackedController._matrixClient;
}
protected initMatrixClient?(newClient: MatrixClient, oldClient?: MatrixClient): void;
}