Initial VS Code 1.19 source merge (#571)

* Initial 1.19 xcopy

* Fix yarn build

* Fix numerous build breaks

* Next batch of build break fixes

* More build break fixes

* Runtime breaks

* Additional post merge fixes

* Fix windows setup file

* Fix test failures.

* Update license header blocks to refer to source eula

src/vs/editor/browser/services/codeEditorService.ts

@@ -0,0 +1,79 @@
+/*---------------------------------------------------------------------------------------------
+ *  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 Event from 'vs/base/common/event';
+import { createDecorator } from 'vs/platform/instantiation/common/instantiation';
+import { IDecorationRenderOptions, IModelDecorationOptions, IModel } from 'vs/editor/common/editorCommon';
+import { IEditor } from 'vs/platform/editor/common/editor';
+import { ICodeEditor, IDiffEditor, isCodeEditor, isDiffEditor } from 'vs/editor/browser/editorBrowser';
+
+export const ICodeEditorService = createDecorator<ICodeEditorService>('codeEditorService');
+
+export interface ICodeEditorService {
+	_serviceBrand: any;
+
+	onCodeEditorAdd: Event<ICodeEditor>;
+	onCodeEditorRemove: Event<ICodeEditor>;
+
+	onDiffEditorAdd: Event<IDiffEditor>;
+	onDiffEditorRemove: Event<IDiffEditor>;
+
+	addCodeEditor(editor: ICodeEditor): void;
+	removeCodeEditor(editor: ICodeEditor): void;
+	listCodeEditors(): ICodeEditor[];
+
+	addDiffEditor(editor: IDiffEditor): void;
+	removeDiffEditor(editor: IDiffEditor): void;
+	listDiffEditors(): IDiffEditor[];
+
+	/**
+	 * Returns the current focused code editor (if the focus is in the editor or in an editor widget) or null.
+	 */
+	getFocusedCodeEditor(): ICodeEditor;
+
+	registerDecorationType(key: string, options: IDecorationRenderOptions, parentTypeKey?: string): void;
+	removeDecorationType(key: string): void;
+	resolveDecorationOptions(typeKey: string, writable: boolean): IModelDecorationOptions;
+
+	setTransientModelProperty(model: IModel, key: string, value: any): void;
+	getTransientModelProperty(model: IModel, key: string): any;
+}
+
+/**
+ * Uses `editor.getControl()` and returns either a `codeEditor` or a `diffEditor` or nothing.
+ */
+export function getCodeOrDiffEditor(editor: IEditor): { codeEditor: ICodeEditor; diffEditor: IDiffEditor } {
+	if (editor) {
+		let control = editor.getControl();
+		if (control) {
+			if (isCodeEditor(control)) {
+				return {
+					codeEditor: control,
+					diffEditor: null
+				};
+			}
+			if (isDiffEditor(control)) {
+				return {
+					codeEditor: null,
+					diffEditor: control
+				};
+			}
+		}
+	}
+
+	return {
+		codeEditor: null,
+		diffEditor: null
+	};
+}
+
+/**
+ * Uses `editor.getControl()` and returns either the code editor, or the modified editor of a diff editor or nothing.
+ */
+export function getCodeEditor(editor: IEditor): ICodeEditor {
+	let r = getCodeOrDiffEditor(editor);
+	return r.codeEditor || (r.diffEditor && <ICodeEditor>r.diffEditor.getModifiedEditor()) || null;
+}