Refresh master with initial release/0.24 snapshot (#332)

* Initial port of release/0.24 source code

* Fix additional headers

* Fix a typo in launch.json

src/vs/platform/jsonschemas/common/jsonContributionRegistry.ts

@@ -5,9 +5,8 @@
 'use strict';
 
 import { IJSONSchema } from 'vs/base/common/jsonSchema';
-import platform = require('vs/platform/registry/common/platform');
-import { EventEmitter } from 'vs/base/common/eventEmitter';
-import { IDisposable } from 'vs/base/common/lifecycle';
+import * as platform from 'vs/platform/registry/common/platform';
+import Event, { Emitter } from 'vs/base/common/event';
 
 export const Extensions = {
 	JSONContribution: 'base.contributions.json'
@@ -19,6 +18,8 @@ export interface ISchemaContributions {
 
 export interface IJSONContributionRegistry {
 
+	readonly onDidChangeSchema: Event<string>;
+
 	/**
 	 * Register a schema to the registry.
 	 */
@@ -28,12 +29,6 @@ export interface IJSONContributionRegistry {
 	 * Get all schemas
 	 */
 	getSchemaContributions(): ISchemaContributions;
-
-	/**
-	 * Adds a change listener
-	 */
-	addRegistryChangedListener(callback: (e: IJSONContributionRegistryEvent) => void): IDisposable;
-
 }
 
 export interface IJSONContributionRegistryEvent {
@@ -50,21 +45,19 @@ function normalizeId(id: string) {
 
 
 class JSONContributionRegistry implements IJSONContributionRegistry {
+
 	private schemasById: { [id: string]: IJSONSchema };
-	private eventEmitter: EventEmitter;
+
+	private _onDidChangeSchema: Emitter<string> = new Emitter<string>();
+	readonly onDidChangeSchema: Event<string> = this._onDidChangeSchema.event;
 
 	constructor() {
 		this.schemasById = {};
-		this.eventEmitter = new EventEmitter();
-	}
-
-	public addRegistryChangedListener(callback: (e: IJSONContributionRegistryEvent) => void): IDisposable {
-		return this.eventEmitter.addListener('registryChanged', callback);
 	}
 
 	public registerSchema(uri: string, unresolvedSchemaContent: IJSONSchema): void {
 		this.schemasById[normalizeId(uri)] = unresolvedSchemaContent;
-		this.eventEmitter.emit('registryChanged', {});
+		this._onDidChangeSchema.fire(uri);
 	}
 
 	public getSchemaContributions(): ISchemaContributions {