/
user-storage-contribution.ts
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/
user-storage-contribution.ts
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// *****************************************************************************
// Copyright (C) 2020 TypeFox 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
// *****************************************************************************
import { inject, injectable } from '@theia/core/shared/inversify';
import URI from '@theia/core/lib/common/uri';
import { DisposableCollection } from '@theia/core/lib/common/disposable';
import { EnvVariablesServer } from '@theia/core/lib/common/env-variables';
import { FileSystemProvider } from '@theia/filesystem/lib/common/files';
import { FileService, FileServiceContribution } from '@theia/filesystem/lib/browser/file-service';
import { DelegatingFileSystemProvider } from '@theia/filesystem/lib/common/delegating-file-system-provider';
import { UserStorageUri } from './user-storage-uri';
@injectable()
export class UserStorageContribution implements FileServiceContribution {
@inject(EnvVariablesServer)
protected readonly environments: EnvVariablesServer;
registerFileSystemProviders(service: FileService): void {
service.onWillActivateFileSystemProvider(event => {
if (event.scheme === UserStorageUri.scheme) {
event.waitUntil((async () => {
const provider = await this.createProvider(service);
service.registerProvider(UserStorageUri.scheme, provider);
})());
}
});
}
protected async createProvider(service: FileService): Promise<FileSystemProvider> {
const delegate = await service.activateProvider('file');
const configDirUri = new URI(await this.environments.getConfigDirUri());
return new DelegatingFileSystemProvider(delegate, {
uriConverter: {
to: resource => {
const relativePath = UserStorageUri.relative(resource);
if (relativePath) {
return configDirUri.resolve(relativePath).normalizePath();
}
return undefined;
},
from: resource => {
const relativePath = configDirUri.relative(resource);
if (relativePath) {
return UserStorageUri.resolve(relativePath);
}
return undefined;
}
}
}, new DisposableCollection(
delegate.watch(configDirUri, { excludes: [], recursive: true })
));
}
}