Fix #42737

src/vs/base/browser/ui/list/listPaging.ts

@@ -6,7 +6,7 @@
 import 'vs/css!./list';
 import { IDisposable } from 'vs/base/common/lifecycle';
 import { range } from 'vs/base/common/arrays';
-import { IVirtualDelegate, IRenderer, IListEvent, IListOpenEvent } from './list';
+import { IVirtualDelegate, IRenderer, IListEvent, IListOpenEvent, IListContextMenuEvent } from './list';
 import { List, IListStyles, IListOptions } from './listWidget';
 import { IPagedModel } from 'vs/base/common/paging';
 import { Event, mapEvent } from 'vs/base/common/event';
@@ -123,6 +123,10 @@ export class PagedList<T> implements IDisposable {
 		return mapEvent(this.list.onPin, ({ elements, indexes }) => ({ elements: elements.map(e => this._model.get(e)), indexes }));
 	}
 
+	get onContextMenu(): Event<IListContextMenuEvent<T>> {
+		return mapEvent(this.list.onContextMenu, ({ element, index, anchor }) => ({ element: this._model.get(element), index, anchor }));
+	}
+
 	get model(): IPagedModel<T> {
 		return this._model;
 	}

src/vs/workbench/parts/extensions/electron-browser/extensionsActions.ts

@@ -416,7 +416,7 @@ export class DropDownMenuActionItem extends ActionItem {
 		});
 	}
 
-	private getActions(): IAction[] {
+	getActions(): IAction[] {
 		let actions: IAction[] = [];
 		const menuActionGroups = this.menuActionGroups;
 		for (const menuActions of menuActionGroups) {
@@ -439,7 +439,7 @@ export class ManageExtensionAction extends Action {
 	private static readonly HideManageExtensionClass = `${ManageExtensionAction.Class} hide`;
 
 	private _actionItem: DropDownMenuActionItem;
-	get actionItem(): IActionItem { return this._actionItem; }
+	get actionItem(): DropDownMenuActionItem { return this._actionItem; }
 
 	private disposables: IDisposable[] = [];
 	private _extension: IExtension;

src/vs/workbench/parts/extensions/electron-browser/extensionsViews.ts

@@ -32,7 +32,7 @@ import { IModeService } from 'vs/editor/common/services/modeService';
 import { ITelemetryService } from 'vs/platform/telemetry/common/telemetry';
 import { CountBadge } from 'vs/base/browser/ui/countBadge/countBadge';
 import { ActionBar } from 'vs/base/browser/ui/actionbar/actionbar';
-import { InstallWorkspaceRecommendedExtensionsAction, ConfigureWorkspaceFolderRecommendedExtensionsAction } from 'vs/workbench/parts/extensions/electron-browser/extensionsActions';
+import { InstallWorkspaceRecommendedExtensionsAction, ConfigureWorkspaceFolderRecommendedExtensionsAction, ManageExtensionAction } from 'vs/workbench/parts/extensions/electron-browser/extensionsActions';
 import { WorkbenchPagedList } from 'vs/platform/list/browser/listService';
 import { IConfigurationService } from 'vs/platform/configuration/common/configuration';
 import { INotificationService } from 'vs/platform/notification/common/notification';
@@ -41,6 +41,7 @@ import { IWorkspaceContextService } from 'vs/platform/workspace/common/workspace
 import { distinct } from 'vs/base/common/arrays';
 import { IExperimentService, IExperiment, ExperimentActionType } from 'vs/workbench/parts/experiments/node/experimentService';
 import { alert } from 'vs/base/browser/ui/aria/aria';
+import { IListContextMenuEvent } from 'vs/base/browser/ui/list/list';
 
 export class ExtensionsListView extends ViewletPanel {
 
@@ -93,6 +94,7 @@ export class ExtensionsListView extends ViewletPanel {
 			ariaLabel: localize('extensions', "Extensions"),
 			multipleSelectionSupport: false
 		}) as WorkbenchPagedList<IExtension>;
+		this.list.onContextMenu(e => this.onContextMenu(e), this, this.disposables);
 		this.disposables.push(this.list);
 
 		chain(this.list.onOpen)
@@ -179,6 +181,19 @@ export class ExtensionsListView extends ViewletPanel {
 		return TPromise.as(emptyModel);
 	}
 
+	private onContextMenu(e: IListContextMenuEvent<IExtension>): void {
+		if (e.element) {
+			const manageExtensionAction = this.instantiationService.createInstance(ManageExtensionAction);
+			manageExtensionAction.extension = e.element;
+			if (manageExtensionAction.enabled) {
+				this.contextMenuService.showContextMenu({
+					getAnchor: () => e.anchor,
+					getActions: () => TPromise.as(manageExtensionAction.actionItem.getActions())
+				});
+			}
+		}
+	}
+
 	private async queryLocal(query: Query, options: IQueryOptions): Promise<IPagedModel<IExtension>> {
 		let value = query.value;
 		if (/@builtin/i.test(value)) {