69 lines
2.2 KiB
TypeScript
69 lines
2.2 KiB
TypeScript
/*
|
|
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 { defer, IDeferred } from "matrix-js-sdk/src/utils";
|
|
import { logger } from "matrix-js-sdk/src/logger";
|
|
|
|
import { ElectronChannel } from "../../@types/global";
|
|
|
|
interface IPCPayload {
|
|
id?: number;
|
|
error?: string;
|
|
reply?: any;
|
|
}
|
|
|
|
export class IPCManager {
|
|
private pendingIpcCalls: { [ipcCallId: number]: IDeferred<any> } = {};
|
|
private nextIpcCallId = 0;
|
|
|
|
public constructor(
|
|
private readonly sendChannel: ElectronChannel = "ipcCall",
|
|
private readonly recvChannel: ElectronChannel = "ipcReply",
|
|
) {
|
|
window.electron.on(this.recvChannel, this.onIpcReply);
|
|
}
|
|
|
|
public async call(name: string, ...args: any[]): Promise<any> {
|
|
// TODO this should be moved into the preload.js file.
|
|
const ipcCallId = ++this.nextIpcCallId;
|
|
const deferred = defer<any>();
|
|
this.pendingIpcCalls[ipcCallId] = deferred;
|
|
// Maybe add a timeout to these? Probably not necessary.
|
|
window.electron.send(this.sendChannel, { id: ipcCallId, name, args });
|
|
return deferred.promise;
|
|
}
|
|
|
|
private onIpcReply = (_ev: {}, payload: IPCPayload): void => {
|
|
if (payload.id === undefined) {
|
|
logger.warn("Ignoring IPC reply with no ID");
|
|
return;
|
|
}
|
|
|
|
if (this.pendingIpcCalls[payload.id] === undefined) {
|
|
logger.warn("Unknown IPC payload ID: " + payload.id);
|
|
return;
|
|
}
|
|
|
|
const callbacks = this.pendingIpcCalls[payload.id];
|
|
delete this.pendingIpcCalls[payload.id];
|
|
if (payload.error) {
|
|
callbacks.reject(payload.error);
|
|
} else {
|
|
callbacks.resolve(payload.reply);
|
|
}
|
|
};
|
|
}
|