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/angularEventing/common/angularEventingService.ts

@@ -0,0 +1,47 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { createDecorator } from 'vs/platform/instantiation/common/instantiation';
+import { Subscription } from 'rxjs/Subscription';
+
+const ANGULAREVENTING_SERVICE_ID = 'angularEventingService';
+export const IAngularEventingService = createDecorator<IAngularEventingService>(ANGULAREVENTING_SERVICE_ID);
+
+export enum AngularEventType {
+	NAV_DATABASE,
+	NAV_SERVER,
+	DELETE_WIDGET,
+	PINUNPIN_TAB,
+	NEW_TABS,
+	CLOSE_TAB,
+	COLLAPSE_WIDGET
+}
+
+export interface IDeleteWidgetPayload {
+	id: string;
+}
+
+export interface IAngularEvent {
+	event: AngularEventType;
+	payload: any;
+}
+
+export interface IAngularEventingService {
+	_serviceBrand: any;
+	/**
+	 * Adds a listener for the dashboard to send events, should only be called once for each dashboard by the dashboard itself
+	 * @param uri Uri of the dashboard
+	 * @param cb Listening function
+	 * @returns
+	 */
+	onAngularEvent(uri: string, cb: (event: IAngularEvent) => void): Subscription;
+
+	/**
+	 * Send an event to the dashboard; no op if the dashboard has not started listening yet
+	 * @param uri Uri of the dashboard to send the event to
+	 * @param event event to send
+	 */
+	sendAngularEvent(uri: string, event: AngularEventType, payload?: any): void;
+}