Abstract electron settings properly to avoid boilerplate-hell (#22491)

* Remove unused method `BasePlatform::screenCaptureErrorString`

* Extract SeshatIndexManager into its own file

* Improve platform typescripting

* Consolidate IPC call promisification into IPCManager

* Abstract electron settings properly to avoid boilerplate-hell

* i18n

* Iterate PR

src/vector/platform/SeshatIndexManager.ts

@@ -0,0 +1,105 @@
+/*
+Copyright 2022 New Vector Ltd
+
+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 BaseEventIndexManager, {
+    ICrawlerCheckpoint,
+    IEventAndProfile,
+    IIndexStats,
+    ISearchArgs,
+} from 'matrix-react-sdk/src/indexing/BaseEventIndexManager';
+import { IMatrixProfile, IEventWithRoomId as IMatrixEvent, IResultRoomEvents } from "matrix-js-sdk/src/@types/search";
+
+import { IPCManager } from "./IPCManager";
+
+export class SeshatIndexManager extends BaseEventIndexManager {
+    private readonly ipc = new IPCManager("seshat", "seshatReply");
+
+    public async supportsEventIndexing(): Promise<boolean> {
+        return this.ipc.call('supportsEventIndexing');
+    }
+
+    public async initEventIndex(userId: string, deviceId: string): Promise<void> {
+        return this.ipc.call('initEventIndex', userId, deviceId);
+    }
+
+    public async addEventToIndex(ev: IMatrixEvent, profile: IMatrixProfile): Promise<void> {
+        return this.ipc.call('addEventToIndex', ev, profile);
+    }
+
+    public async deleteEvent(eventId: string): Promise<boolean> {
+        return this.ipc.call('deleteEvent', eventId);
+    }
+
+    public async isEventIndexEmpty(): Promise<boolean> {
+        return this.ipc.call('isEventIndexEmpty');
+    }
+
+    public async isRoomIndexed(roomId: string): Promise<boolean> {
+        return this.ipc.call('isRoomIndexed', roomId);
+    }
+
+    public async commitLiveEvents(): Promise<void> {
+        return this.ipc.call('commitLiveEvents');
+    }
+
+    public async searchEventIndex(searchConfig: ISearchArgs): Promise<IResultRoomEvents> {
+        return this.ipc.call('searchEventIndex', searchConfig);
+    }
+
+    public async addHistoricEvents(
+        events: IEventAndProfile[],
+        checkpoint: ICrawlerCheckpoint | null,
+        oldCheckpoint: ICrawlerCheckpoint | null,
+    ): Promise<boolean> {
+        return this.ipc.call('addHistoricEvents', events, checkpoint, oldCheckpoint);
+    }
+
+    public async addCrawlerCheckpoint(checkpoint: ICrawlerCheckpoint): Promise<void> {
+        return this.ipc.call('addCrawlerCheckpoint', checkpoint);
+    }
+
+    public async removeCrawlerCheckpoint(checkpoint: ICrawlerCheckpoint): Promise<void> {
+        return this.ipc.call('removeCrawlerCheckpoint', checkpoint);
+    }
+
+    public async loadFileEvents(args): Promise<IEventAndProfile[]> {
+        return this.ipc.call('loadFileEvents', args);
+    }
+
+    public async loadCheckpoints(): Promise<ICrawlerCheckpoint[]> {
+        return this.ipc.call('loadCheckpoints');
+    }
+
+    public async closeEventIndex(): Promise<void> {
+        return this.ipc.call('closeEventIndex');
+    }
+
+    public async getStats(): Promise<IIndexStats> {
+        return this.ipc.call('getStats');
+    }
+
+    public async getUserVersion(): Promise<number> {
+        return this.ipc.call('getUserVersion');
+    }
+
+    public async setUserVersion(version: number): Promise<void> {
+        return this.ipc.call('setUserVersion', version);
+    }
+
+    public async deleteEventIndex(): Promise<void> {
+        return this.ipc.call('deleteEventIndex');
+    }
+}