fix: [Plugin-API] complete QuickPick hide api

packages/core/src/browser/quick-open/quick-open-service.ts

@@ -17,6 +17,7 @@
 import { injectable } from 'inversify';
 import { QuickOpenModel } from './quick-open-model';
 import { MessageType } from '../../common/message-service-protocol';
+import { HideReason } from '../../common/quick-pick-service';
 
 export type QuickOpenOptions = Partial<QuickOpenOptions.Resolved>;
 export namespace QuickOpenOptions {
@@ -84,6 +85,7 @@ export class QuickOpenService {
      * It should be implemented by an extension, e.g. by the monaco extension.
      */
     open(model: QuickOpenModel, options?: QuickOpenOptions): void { }
+    hide(reason?: HideReason): void { }
     showDecoration(type: MessageType): void { }
     hideDecoration(): void { }
 }

packages/core/src/browser/quick-open/quick-pick-service-impl.ts

@@ -17,7 +17,7 @@
 import { injectable, inject } from 'inversify';
 import { QuickOpenItem, QuickOpenMode, QuickOpenGroupItem, QuickOpenItemOptions } from './quick-open-model';
 import { QuickOpenService } from './quick-open-service';
-import { QuickPickService, QuickPickOptions, QuickPickItem, QuickPickSeparator, QuickPickValue } from '../../common/quick-pick-service';
+import { QuickPickService, QuickPickOptions, QuickPickItem, QuickPickSeparator, QuickPickValue, HideReason } from '../../common/quick-pick-service';
 
 @injectable()
 export class QuickPickServiceImpl implements QuickPickService {
@@ -84,4 +84,8 @@ export class QuickPickServiceImpl implements QuickPickService {
         };
     }
 
+    hide(reason?: HideReason): void {
+        this.quickOpenService.hide(reason);
+    }
+
 }

packages/core/src/common/quick-pick-service.ts

@@ -54,4 +54,12 @@ export interface QuickPickService {
 
     show<T>(elements: QuickPickItem<T>[], options?: QuickPickOptions): Promise<T | undefined>;
 
+    hide(reason?: HideReason): void
+
+}
+
+export enum HideReason {
+    ELEMENT_SELECTED,
+    FOCUS_LOST,
+    CANCELED,
 }

packages/monaco/src/browser/monaco-quick-open-service.ts

@@ -24,6 +24,7 @@ import {
 import { KEY_CODE_MAP } from './monaco-keycode-map';
 import { ContextKey } from '@theia/core/lib/browser/context-key-service';
 import { MonacoContextKeyService } from './monaco-context-key-service';
+import { HideReason } from '@theia/core/lib/common/quick-pick-service';
 
 export interface MonacoQuickOpenControllerOpts extends monaco.quickOpen.IQuickOpenControllerOpts {
     readonly prefix?: string;
@@ -71,6 +72,22 @@ export class MonacoQuickOpenService extends QuickOpenService {
         this.internalOpen(new MonacoQuickOpenControllerOptsImpl(model, this.keybindingRegistry, options));
     }
 
+    hide(reason?: HideReason): void {
+        let hideReason: monaco.quickOpen.HideReason | undefined;
+        switch (reason) {
+            case HideReason.ELEMENT_SELECTED:
+                hideReason = monaco.quickOpen.HideReason.ELEMENT_SELECTED;
+                break;
+            case HideReason.FOCUS_LOST:
+                hideReason = monaco.quickOpen.HideReason.FOCUS_LOST;
+                break;
+            case HideReason.CANCELED:
+                hideReason = monaco.quickOpen.HideReason.CANCELED;
+                break;
+        }
+        this.widget.hide(hideReason);
+    }
+
     showDecoration(type: MessageType): void {
         let decoration = monaco.MarkerSeverity.Info;
         if (type === MessageType.Warning) {

packages/plugin-ext/src/api/plugin-api.ts

@@ -388,6 +388,7 @@ export interface QuickOpenMain {
     $setItems(items: PickOpenItem[]): Promise<any>;
     $setError(error: Error): Promise<any>;
     $input(options: theia.InputBoxOptions, validateInput: boolean): Promise<string | undefined>;
+    $hide(): void;
 }
 
 export interface WorkspaceMain {

packages/plugin-ext/src/main/browser/quick-open-main.ts

@@ -110,4 +110,8 @@ export class QuickOpenMainImpl implements QuickOpenMain, QuickOpenModel {
         }
     }
 
+    $hide(): void {
+        this.delegate.hide();
+    }
+
 }

packages/plugin-ext/src/plugin/quick-open.ts

@@ -129,8 +129,11 @@ export class QuickOpenExtImpl implements QuickOpenExt {
         return hookCancellationToken(token, promise);
     }
 
-}
+    hide(): void {
+        this.proxy.$hide();
+    }
 
+}
 /**
  * Base implementation of {@link QuickPick} that uses {@link QuickOpenExt}.
  * Missing functionality is going to be implemented in the scope of https://github.com/theia-ide/theia/issues/5059
@@ -231,6 +234,7 @@ export class QuickPickExt<T extends QuickPickItem> implements QuickPick<T> {
     }
 
     hide(): void {
+        this.quickOpen.hide();
         this.dispose();
     }