Initial Code Layering (#3788)

* working on formatting

* fixed basic lint errors; starting moving things to their appropriate location

* formatting

* update tslint to match the version of vscode we have

* remove unused code

* work in progress fixing layering

* formatting

* moved connection management service to platform

* formatting

* add missing file

* moving more servies

* formatting

* moving more services

* formatting

* wip

* moving more services

* formatting

* revert back tslint rules

* move css file

* add missing svgs

src/sql/platform/credentials/common/credentialsService.ts

@@ -0,0 +1,80 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+'use strict';
+
+import { IDisposable, dispose } from 'vs/base/common/lifecycle';
+import { createDecorator } from 'vs/platform/instantiation/common/instantiation';
+import * as sqlops from 'sqlops';
+import { Deferred } from 'sql/base/common/promise';
+
+export const SERVICE_ID = 'credentialsService';
+
+export interface CredentialManagementEvents {
+	onSaveCredential(credentialId: string, password: string): Thenable<boolean>;
+
+	onReadCredential(credentialId: string): Thenable<sqlops.Credential>;
+
+	onDeleteCredential(credentialId: string): Thenable<boolean>;
+}
+
+export const ICredentialsService = createDecorator<ICredentialsService>(SERVICE_ID);
+
+export interface ICredentialsService {
+	_serviceBrand: any;
+
+	saveCredential(credentialId: string, password: string): Thenable<boolean>;
+
+	readCredential(credentialId: string): Thenable<sqlops.Credential>;
+
+	deleteCredential(credentialId: string): Thenable<boolean>;
+
+	addEventListener(handle: number, events: CredentialManagementEvents): IDisposable;
+}
+
+export class CredentialsService implements ICredentialsService {
+
+	_serviceBrand: any;
+
+	private disposables: IDisposable[] = [];
+
+	private _serverEvents: { [handle: number]: CredentialManagementEvents; } = Object.create(null);
+
+	private _lastHandle: number;
+
+	private _onServerEventsReady: Deferred<void> = new Deferred<void>();
+
+	constructor() {
+	}
+
+	public addEventListener(handle: number, events: CredentialManagementEvents): IDisposable {
+		this._lastHandle = handle;
+
+		this._serverEvents[handle] = events;
+
+		this._onServerEventsReady.resolve();
+
+		return {
+			dispose: () => {
+			}
+		};
+	}
+
+	public saveCredential(credentialId: string, password: string): Thenable<boolean> {
+		return this._onServerEventsReady.promise.then(() => this._serverEvents[this._lastHandle].onSaveCredential(credentialId, password));
+	}
+
+	public readCredential(credentialId: string): Thenable<sqlops.Credential> {
+		return this._onServerEventsReady.promise.then(() => this._serverEvents[this._lastHandle].onReadCredential(credentialId));
+	}
+
+	public deleteCredential(credentialId: string): Thenable<boolean> {
+		return this._onServerEventsReady.promise.then(() => this._serverEvents[this._lastHandle].onDeleteCredential(credentialId));
+	}
+
+	public dispose(): void {
+		this.disposables = dispose(this.disposables);
+	}
+}