@theia/core
Version:
Theia is a cloud & desktop IDE framework implemented in TypeScript.
93 lines • 4.26 kB
JavaScript
;
// *****************************************************************************
// Copyright (C) 2020 Ericsson and others.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// http://www.eclipse.org/legal/epl-2.0.
//
// This Source Code may also be made available under the following Secondary
// Licenses when the conditions for such availability set forth in the Eclipse
// Public License v. 2.0 are satisfied: GNU General Public License, version 2
// with the GNU Classpath Exception which is available at
// https://www.gnu.org/software/classpath/license.html.
//
// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
// *****************************************************************************
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.AbstractConnectionProvider = void 0;
const inversify_1 = require("inversify");
const event_1 = require("../event");
const proxy_factory_1 = require("./proxy-factory");
const channel_1 = require("../message-rpc/channel");
/**
* Factor common logic according to `ElectronIpcConnectionProvider` and
* `WebSocketConnectionProvider`. This class handles channels in a somewhat
* generic way.
*/
let AbstractConnectionProvider = class AbstractConnectionProvider {
constructor() {
this.onIncomingMessageActivityEmitter = new event_1.Emitter();
// A set of channel opening functions that are executed if the backend reconnects to restore the
// the channels that were open before the disconnect occurred.
this.reconnectChannelOpeners = [];
}
/**
* Create a proxy object to remote interface of T type
* over an electron ipc connection for the given path.
*
* An optional target can be provided to handle
* notifications and requests from a remote side.
*/
static createProxy(container, path, target) {
throw new Error('abstract');
}
get onIncomingMessageActivity() {
return this.onIncomingMessageActivityEmitter.event;
}
createProxy(path, arg) {
const factory = arg instanceof proxy_factory_1.RpcProxyFactory ? arg : new proxy_factory_1.RpcProxyFactory(arg);
this.listen({
path,
onConnection: c => factory.listen(c)
});
return factory.createProxy();
}
initializeMultiplexer() {
const mainChannel = this.createMainChannel();
mainChannel.onMessage(() => this.onIncomingMessageActivityEmitter.fire());
this.channelMultiplexer = new channel_1.ChannelMultiplexer(mainChannel);
}
/**
* Install a connection handler for the given path.
*/
listen(handler, options) {
this.openChannel(handler.path, channel => {
handler.onConnection(channel);
}, options);
}
async openChannel(path, handler, options) {
if (!this.channelMultiplexer) {
throw new Error('The channel multiplexer has not been initialized yet!');
}
const newChannel = await this.channelMultiplexer.open(path);
newChannel.onClose(() => {
const { reconnecting } = { reconnecting: true, ...options };
if (reconnecting) {
this.reconnectChannelOpeners.push(() => this.openChannel(path, handler, options));
}
});
handler(newChannel);
}
};
AbstractConnectionProvider = __decorate([
(0, inversify_1.injectable)()
], AbstractConnectionProvider);
exports.AbstractConnectionProvider = AbstractConnectionProvider;
//# sourceMappingURL=abstract-connection-provider.js.map