Merge from vscode e5834d3280fcd04898efeac32b9cf1b893f9b127 (#9385)

* Merge from vscode e5834d3280fcd04898efeac32b9cf1b893f9b127

* distro

src/vs/platform/notification/common/notification.ts

@@ -101,6 +101,12 @@ export interface INotification extends INotificationProperties {
 	 * this usecase and much easier to use!
 	 */
 	actions?: INotificationActions;
+
+	/**
+	 * The initial set of progress properties for the notification. To update progress
+	 * later on, access the `INotificationHandle.progress` property.
+	 */
+	progress?: INotificationProgressProperties;
 }
 
 export interface INotificationActions {
@@ -119,6 +125,24 @@ export interface INotificationActions {
 	secondary?: ReadonlyArray<IAction>;
 }
 
+export interface INotificationProgressProperties {
+
+	/**
+	 * Causes the progress bar to spin infinitley.
+	 */
+	infinite?: boolean;
+
+	/**
+	 * Indicate the total amount of work.
+	 */
+	total?: number;
+
+	/**
+	 * Indicate that a specific chunk of work is done.
+	 */
+	worked?: number;
+}
+
 export interface INotificationProgress {
 
 	/**
@@ -149,6 +173,13 @@ export interface INotificationHandle {
 	 */
 	readonly onDidClose: Event<void>;
 
+	/**
+	 * Will be fired whenever the visibility of the notification changes.
+	 * A notification can either be visible as toast or inside the notification
+	 * center if it is visible. 
+	 */
+	readonly onDidChangeVisibility: Event<boolean>;
+
 	/**
 	 * Allows to indicate progress on the notification even after the
 	 * notification is already visible.