Support registering views to the secondary side bar (microsoft#261619)

* Support registering views to the secondary side bar

* rename to secondarySideBar

* Rename 'auxiliarybar' to 'secondarySidebar'

Author: benibenj

src/vs/platform/extensions/common/extensionsApiProposals.ts

@@ -141,6 +141,9 @@ const _allApiProposals = {
 	contribRemoteHelp: {
 		proposal: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.contribRemoteHelp.d.ts',
 	},
+	contribSecondarySideBar: {
+		proposal: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.contribSecondarySideBar.d.ts',
+	},
 	contribShareMenu: {
 		proposal: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.contribShareMenu.d.ts',
 	},

src/vs/workbench/api/browser/viewsExtensionPoint.ts

@@ -24,7 +24,7 @@ import { VIEWLET_ID as EXPLORER } from '../../contrib/files/common/files.js';
 import { VIEWLET_ID as REMOTE } from '../../contrib/remote/browser/remoteExplorer.js';
 import { VIEWLET_ID as SCM } from '../../contrib/scm/common/scm.js';
 import { WebviewViewPane } from '../../contrib/webviewView/browser/webviewViewPane.js';
-import { isProposedApiEnabled } from '../../services/extensions/common/extensions.js';
+import { checkProposedApiEnabled, isProposedApiEnabled } from '../../services/extensions/common/extensions.js';
 import { ExtensionMessageCollector, ExtensionsRegistry, IExtensionPoint, IExtensionPointUser } from '../../services/extensions/common/extensionsRegistry.js';
 import { ILogService } from '../../../platform/log/common/log.js';
 import { IExtensionFeatureTableRenderer, IRenderedData, ITableData, IRowData, IExtensionFeaturesRegistry, Extensions as ExtensionFeaturesRegistryExtensions } from '../../services/extensionManagement/common/extensionFeatures.js';
@@ -70,6 +70,11 @@ export const viewsContainersContribution: IJSONSchema = {
 			description: localize('views.container.panel', "Contribute views containers to Panel"),
 			type: 'array',
 			items: viewsContainerSchema
+		},
+		'secondarySidebar': {
+			description: localize('views.container.secondarySidebar', "Contribute views containers to Secondary Side Bar"),
+			type: 'array',
+			items: viewsContainerSchema
 		}
 	},
 	additionalProperties: false
@@ -301,6 +306,8 @@ class ViewsExtensionHandler implements IWorkbenchContribution {
 		const viewContainersRegistry = Registry.as<IViewContainersRegistry>(ViewContainerExtensions.ViewContainersRegistry);
 		let activityBarOrder = CUSTOM_VIEWS_START_ORDER + viewContainersRegistry.all.filter(v => !!v.extensionId && viewContainersRegistry.getViewContainerLocation(v) === ViewContainerLocation.Sidebar).length;
 		let panelOrder = 5 + viewContainersRegistry.all.filter(v => !!v.extensionId && viewContainersRegistry.getViewContainerLocation(v) === ViewContainerLocation.Panel).length + 1;
+		// offset by 100 because the chat view container used to have order 100 (now 1). Due to caching, we still need to account for the original order value
+		let auxiliaryBarOrder = 100 + viewContainersRegistry.all.filter(v => !!v.extensionId && viewContainersRegistry.getViewContainerLocation(v) === ViewContainerLocation.AuxiliaryBar).length + 1;
 		for (const { value, collector, description } of extensionPoints) {
 			Object.entries(value).forEach(([key, value]) => {
 				if (!this.isValidViewsContainer(value, collector)) {
@@ -313,6 +320,10 @@ class ViewsExtensionHandler implements IWorkbenchContribution {
 					case 'panel':
 						panelOrder = this.registerCustomViewContainers(value, description, panelOrder, existingViewContainers, ViewContainerLocation.Panel);
 						break;
+					case 'secondarySideBar':
+						checkProposedApiEnabled(description, 'contribSecondarySideBar');
+						auxiliaryBarOrder = this.registerCustomViewContainers(value, description, auxiliaryBarOrder, existingViewContainers, ViewContainerLocation.AuxiliaryBar);
+						break;
 				}
 			});
 		}

src/vs/workbench/contrib/chat/browser/chatParticipant.contribution.ts

@@ -41,7 +41,7 @@ const chatViewContainer: ViewContainer = Registry.as<IViewContainersRegistry>(Vi
 	ctorDescriptor: new SyncDescriptor(ViewPaneContainer, [CHAT_SIDEBAR_PANEL_ID, { mergeViewWithContainerWhenSingleView: true }]),
 	storageId: CHAT_SIDEBAR_PANEL_ID,
 	hideIfEmpty: true,
-	order: 100,
+	order: 1,
 }, ViewContainerLocation.AuxiliaryBar, { isDefault: true, doNotRegisterOpenCommand: true });
 
 const chatViewDescriptor: IViewDescriptor[] = [{

src/vscode-dts/vscode.proposed.contribSecondarySideBar.d.ts

@@ -0,0 +1,6 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+// empty placeholder declaration for the `secondarySideBar`-contribution point