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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import { Emitter, Event } from 'vs/base/common/event';
import { Disposable } from 'vs/base/common/lifecycle';
import { isUndefinedOrNull } from 'vs/base/common/types';
import { DISABLED_EXTENSIONS_STORAGE_PATH, IExtensionIdentifier, IExtensionManagementService, IGlobalExtensionEnablementService, InstallOperation } from 'vs/platform/extensionManagement/common/extensionManagement';
import { areSameExtensions } from 'vs/platform/extensionManagement/common/extensionManagementUtil';
import { IStorageService, IStorageValueChangeEvent, StorageScope, StorageTarget } from 'vs/platform/storage/common/storage';
export class GlobalExtensionEnablementService extends Disposable implements IGlobalExtensionEnablementService {
declare readonly _serviceBrand: undefined;
private _onDidChangeEnablement = new Emitter<{ readonly extensions: IExtensionIdentifier[]; readonly source?: string }>();
readonly onDidChangeEnablement: Event<{ readonly extensions: IExtensionIdentifier[]; readonly source?: string }> = this._onDidChangeEnablement.event;
private readonly storageManger: StorageManager;
constructor(
@IStorageService storageService: IStorageService,
@IExtensionManagementService extensionManagementService: IExtensionManagementService,
) {
super();
this.storageManger = this._register(new StorageManager(storageService));
this._register(this.storageManger.onDidChange(extensions => this._onDidChangeEnablement.fire({ extensions, source: 'storage' })));
this._register(extensionManagementService.onDidInstallExtensions(e => e.forEach(({ local, operation }) => {
if (local && operation === InstallOperation.Migrate) {
this._removeFromDisabledExtensions(local.identifier); /* Reset migrated extensions */
}
})));
}
async enableExtension(extension: IExtensionIdentifier, source?: string): Promise<boolean> {
if (this._removeFromDisabledExtensions(extension)) {
this._onDidChangeEnablement.fire({ extensions: [extension], source });
return true;
}
return false;
}
async disableExtension(extension: IExtensionIdentifier, source?: string): Promise<boolean> {
if (this._addToDisabledExtensions(extension)) {
this._onDidChangeEnablement.fire({ extensions: [extension], source });
return true;
}
return false;
}
getDisabledExtensions(): IExtensionIdentifier[] {
return this._getExtensions(DISABLED_EXTENSIONS_STORAGE_PATH);
}
async getDisabledExtensionsAsync(): Promise<IExtensionIdentifier[]> {
return this.getDisabledExtensions();
}
private _addToDisabledExtensions(identifier: IExtensionIdentifier): boolean {
const disabledExtensions = this.getDisabledExtensions();
if (disabledExtensions.every(e => !areSameExtensions(e, identifier))) {
disabledExtensions.push(identifier);
this._setDisabledExtensions(disabledExtensions);
return true;
}
return false;
}
private _removeFromDisabledExtensions(identifier: IExtensionIdentifier): boolean {
const disabledExtensions = this.getDisabledExtensions();
for (let index = 0; index < disabledExtensions.length; index++) {
const disabledExtension = disabledExtensions[index];
if (areSameExtensions(disabledExtension, identifier)) {
disabledExtensions.splice(index, 1);
this._setDisabledExtensions(disabledExtensions);
return true;
}
}
return false;
}
private _setDisabledExtensions(disabledExtensions: IExtensionIdentifier[]): void {
this._setExtensions(DISABLED_EXTENSIONS_STORAGE_PATH, disabledExtensions);
}
private _getExtensions(storageId: string): IExtensionIdentifier[] {
return this.storageManger.get(storageId, StorageScope.PROFILE);
}
private _setExtensions(storageId: string, extensions: IExtensionIdentifier[]): void {
this.storageManger.set(storageId, extensions, StorageScope.PROFILE);
}
}
export class StorageManager extends Disposable {
private storage: { [key: string]: string } = Object.create(null);
private _onDidChange: Emitter<IExtensionIdentifier[]> = this._register(new Emitter<IExtensionIdentifier[]>());
readonly onDidChange: Event<IExtensionIdentifier[]> = this._onDidChange.event;
constructor(private storageService: IStorageService) {
super();
this._register(storageService.onDidChangeValue(e => this.onDidStorageChange(e)));
}
get(key: string, scope: StorageScope): IExtensionIdentifier[] {
let value: string;
if (scope === StorageScope.PROFILE) {
if (isUndefinedOrNull(this.storage[key])) {
this.storage[key] = this._get(key, scope);
}
value = this.storage[key];
} else {
value = this._get(key, scope);
}
return JSON.parse(value);
}
set(key: string, value: IExtensionIdentifier[], scope: StorageScope): void {
const newValue: string = JSON.stringify(value.map(({ id, uuid }) => (<IExtensionIdentifier>{ id, uuid })));
const oldValue = this._get(key, scope);
if (oldValue !== newValue) {
if (scope === StorageScope.PROFILE) {
if (value.length) {
this.storage[key] = newValue;
} else {
delete this.storage[key];
}
}
this._set(key, value.length ? newValue : undefined, scope);
}
}
private onDidStorageChange(storageChangeEvent: IStorageValueChangeEvent): void {
if (storageChangeEvent.scope === StorageScope.PROFILE) {
if (!isUndefinedOrNull(this.storage[storageChangeEvent.key])) {
const newValue = this._get(storageChangeEvent.key, storageChangeEvent.scope);
if (newValue !== this.storage[storageChangeEvent.key]) {
const oldValues = this.get(storageChangeEvent.key, storageChangeEvent.scope);
delete this.storage[storageChangeEvent.key];
const newValues = this.get(storageChangeEvent.key, storageChangeEvent.scope);
const added = oldValues.filter(oldValue => !newValues.some(newValue => areSameExtensions(oldValue, newValue)));
const removed = newValues.filter(newValue => !oldValues.some(oldValue => areSameExtensions(oldValue, newValue)));
if (added.length || removed.length) {
this._onDidChange.fire([...added, ...removed]);
}
}
}
}
}
private _get(key: string, scope: StorageScope): string {
return this.storageService.get(key, scope, '[]');
}
private _set(key: string, value: string | undefined, scope: StorageScope): void {
if (value) {
// Enablement state is synced separately through extensions
this.storageService.store(key, value, scope, StorageTarget.MACHINE);
} else {
this.storageService.remove(key, scope);
}
}
}
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