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WidgetMessagingStore.ts
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WidgetMessagingStore.ts
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/*
* Copyright 2020 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 { ClientWidgetApi, Widget } from "matrix-widget-api";
import { AsyncStoreWithClient } from "../AsyncStoreWithClient";
import defaultDispatcher from "../../dispatcher/dispatcher";
import { ActionPayload } from "../../dispatcher/payloads";
import { EnhancedMap } from "../../utils/maps";
import WidgetUtils from "../../utils/WidgetUtils";
/**
* Temporary holding store for widget messaging instances. This is eventually
* going to be merged with a more complete WidgetStore, but for now it's
* easiest to split this into a single place.
*/
export class WidgetMessagingStore extends AsyncStoreWithClient<unknown> {
private static internalInstance = new WidgetMessagingStore();
private widgetMap = new EnhancedMap<string, ClientWidgetApi>(); // <widget UID, ClientWidgetAPi>
public constructor() {
super(defaultDispatcher);
}
public static get instance(): WidgetMessagingStore {
return WidgetMessagingStore.internalInstance;
}
protected async onAction(payload: ActionPayload): Promise<void> {
// nothing to do
}
protected async onReady(): Promise<any> {
// just in case
this.widgetMap.clear();
}
public storeMessaging(widget: Widget, roomId: string, widgetApi: ClientWidgetApi) {
this.stopMessaging(widget, roomId);
this.widgetMap.set(WidgetUtils.calcWidgetUid(widget.id, roomId), widgetApi);
}
public stopMessaging(widget: Widget, roomId: string) {
this.widgetMap.remove(WidgetUtils.calcWidgetUid(widget.id, roomId))?.stop();
}
public getMessaging(widget: Widget, roomId: string): ClientWidgetApi {
return this.widgetMap.get(WidgetUtils.calcWidgetUid(widget.id, roomId));
}
/**
* Stops the widget messaging instance for a given widget UID.
* @param {string} widgetId The widget UID.
*/
public stopMessagingByUid(widgetUid: string) {
this.widgetMap.remove(widgetUid)?.stop();
}
/**
* Gets the widget messaging class for a given widget UID.
* @param {string} widgetId The widget UID.
* @returns {ClientWidgetApi} The widget API, or a falsey value if not found.
* @deprecated Widget IDs are not globally unique.
*/
public getMessagingForUid(widgetUid: string): ClientWidgetApi {
return this.widgetMap.get(widgetUid);
}
}