Add support to focus terminal and to control terminal instance reuse

src/vs/workbench/api/node/extHost.api.impl.ts

@@ -489,6 +489,7 @@ export function createApiFactory(
 			ThemeColor: extHostTypes.ThemeColor,
 			// functions
 			TaskRevealKind: extHostTypes.TaskRevealKind,
+			TaskInstanceKind: extHostTypes.TaskInstanceKind,
 			TaskGroup: extHostTypes.TaskGroup,
 			ShellTask: extHostTypes.ShellTask,
 			ProcessTask: extHostTypes.ProcessTask

src/vs/workbench/api/node/extHostTask.ts

@@ -207,12 +207,33 @@ namespace TaskRevealKind {
 	}
 }
 
+namespace TaskInstanceKind {
+	export function from(value: vscode.TaskInstanceKind): TaskSystem.InstanceKind {
+		if (value === void 0 || value === null) {
+			return TaskSystem.InstanceKind.Shared;
+		}
+		switch (value) {
+			case types.TaskInstanceKind.Same:
+				return TaskSystem.InstanceKind.Same;
+			case types.TaskInstanceKind.New:
+				return TaskSystem.InstanceKind.New;
+			default:
+				return TaskSystem.InstanceKind.Shared;
+		}
+	}
+}
+
 namespace TerminalBehaviour {
 	export function from(value: vscode.TaskTerminalBehavior): TaskSystem.TerminalBehavior {
 		if (value === void 0 || value === null) {
-			return { reveal: TaskSystem.RevealKind.Always, echo: false };
+			return { reveal: TaskSystem.RevealKind.Always, echo: true, focus: false, instance: TaskSystem.InstanceKind.Shared };
 		}
-		return { reveal: TaskRevealKind.from(value.reveal), echo: !!value.echo };
+		return {
+			reveal: TaskRevealKind.from(value.reveal),
+			echo: value.echo === void 0 ? true : !!value.echo,
+			focus: !!value.focus,
+			instance: TaskInstanceKind.from(value.instance)
+		};
 	}
 }
 

src/vs/workbench/api/node/extHostTypes.ts

@@ -1037,6 +1037,14 @@ export enum TaskRevealKind {
 	Never = 3
 }
 
+export enum TaskInstanceKind {
+	Shared = 1,
+
+	Same = 2,
+
+	New = 3
+}
+
 export class BaseTask {
 
 	private _name: string;