ATL-302: Added built-in examples to the app.

Signed-off-by: Akos Kitta <kittaakos@typefox.io>

.gitignore

@@ -4,6 +4,7 @@ node_modules/
 lib/
 downloads/
 build/
+Examples/
 !electron/build/
 src-gen/
 *webpack.config.js

arduino-ide-extension/package.json

@@ -4,10 +4,11 @@
   "description": "An extension for Theia building the Arduino IDE",
   "license": "MIT",
   "scripts": {
-    "prepare": "yarn download-cli && yarn download-ls && yarn run clean && yarn run build",
+    "prepare": "yarn download-cli && yarn download-ls && yarn clean && yarn download-examples && yarn build",
     "clean": "rimraf lib",
     "download-cli": "node ./scripts/download-cli.js",
     "download-ls": "node ./scripts/download-ls.js",
+    "download-examples": "node ./scripts/download-examples.js",
     "generate-protocol": "node ./scripts/generate-protocol.js",
     "lint": "tslint -c ./tslint.json --project ./tsconfig.json",
     "build": "tsc && ncp ./src/node/cli-protocol/ ./lib/node/cli-protocol/ && yarn lint",
@@ -99,7 +100,8 @@
     "lib",
     "src",
     "build",
-    "data"
+    "data",
+    "examples"
   ],
   "theiaExtensions": [
     {

arduino-ide-extension/scripts/download-examples.js

@@ -0,0 +1,23 @@
+// @ts-check
+
+(async () => {
+
+    const os = require('os');
+    const path = require('path');
+    const shell = require('shelljs');
+    const { v4 } = require('uuid');
+
+    const repository = path.join(os.tmpdir(), `${v4()}-arduino-examples`);
+    if (shell.mkdir('-p', repository).code !== 0) {
+        shell.exit(1);
+    }
+
+    if (shell.exec(`git clone https://github.com/arduino/arduino.git --depth 1 ${repository}`).code !== 0) {
+        shell.exit(1);
+    }
+
+    const destination = path.join(__dirname, '..', 'Examples');
+    shell.mkdir('-p', destination);
+    shell.cp('-fR', path.join(repository, 'build', 'shared', 'examples', '*'), destination);
+
+})();

arduino-ide-extension/src/browser/arduino-ide-frontend-module.ts

@@ -12,7 +12,7 @@ import { ArduinoLanguageClientContribution } from './language/arduino-language-c
 import { LibraryListWidget } from './library/library-list-widget';
 import { ArduinoFrontendContribution } from './arduino-frontend-contribution';
 import { ArduinoLanguageGrammarContribution } from './language/arduino-language-grammar-contribution';
-import { LibraryService, LibraryServicePath } from '../common/protocol/library-service';
+import { LibraryServiceServer, LibraryServiceServerPath } from '../common/protocol/library-service';
 import { BoardsService, BoardsServicePath, BoardsServiceClient } from '../common/protocol/boards-service';
 import { SketchesService, SketchesServicePath } from '../common/protocol/sketches-service';
 import { SketchesServiceClientImpl } from '../common/protocol/sketches-service-client-impl';
@@ -118,6 +118,11 @@ import { EditorWidgetFactory } from './theia/editor/editor-widget-factory';
 import { OutputWidget as TheiaOutputWidget } from '@theia/output/lib/browser/output-widget';
 import { OutputWidget } from './theia/output/output-widget';
 import { BurnBootloader } from './contributions/burn-bootloader';
+import { ExamplesServicePath, ExamplesService } from '../common/protocol/examples-service';
+import { Examples } from './contributions/examples';
+import { LibraryServiceProvider } from './library/library-service-provider';
+import { IncludeLibrary } from './contributions/include-library';
+import { IncludeLibraryMenuUpdater } from './library/include-library-menu-updater';
 
 const ElementQueries = require('css-element-queries/src/ElementQueries');
 
@@ -151,7 +156,10 @@ export default new ContainerModule((bind, unbind, isBound, rebind) => {
     bind(ListItemRenderer).toSelf().inSingletonScope();
 
     // Library service
-    bind(LibraryService).toDynamicValue(context => WebSocketConnectionProvider.createProxy(context.container, LibraryServicePath)).inSingletonScope();
+    bind(LibraryServiceProvider).toSelf().inSingletonScope();
+    bind(LibraryServiceServer).toDynamicValue(context => WebSocketConnectionProvider.createProxy(context.container, LibraryServiceServerPath)).inSingletonScope();
+    bind(FrontendApplicationContribution).to(IncludeLibraryMenuUpdater).inSingletonScope();
+
     // Library list widget
     bind(LibraryListWidget).toSelf();
     bindViewContribution(bind, LibraryListWidgetFrontendContribution);
@@ -347,6 +355,9 @@ export default new ContainerModule((bind, unbind, isBound, rebind) => {
     // File-system extension
     bind(FileSystemExt).toDynamicValue(context => WebSocketConnectionProvider.createProxy(context.container, FileSystemExtPath)).inSingletonScope();
 
+    // Examples service
+    bind(ExamplesService).toDynamicValue(context => WebSocketConnectionProvider.createProxy(context.container, ExamplesServicePath)).inSingletonScope();
+
     Contribution.configure(bind, NewSketch);
     Contribution.configure(bind, OpenSketch);
     Contribution.configure(bind, CloseSketch);
@@ -360,4 +371,6 @@ export default new ContainerModule((bind, unbind, isBound, rebind) => {
     Contribution.configure(bind, SketchControl);
     Contribution.configure(bind, Settings);
     Contribution.configure(bind, BurnBootloader);
+    Contribution.configure(bind, Examples);
+    Contribution.configure(bind, IncludeLibrary);
 });

arduino-ide-extension/src/browser/boards/boards-data-store.ts

@@ -27,13 +27,13 @@ export class BoardsDataStore implements FrontendApplicationContribution {
     protected readonly onChangedEmitter = new Emitter<void>();
 
     onStart(): void {
-        this.boardsServiceClient.onBoardsPackageInstalled(async ({ pkg }) => {
-            const { installedVersion: version } = pkg;
+        this.boardsServiceClient.onBoardsPackageInstalled(async ({ item }) => {
+            const { installedVersion: version } = item;
             if (!version) {
                 return;
             }
             let shouldFireChanged = false;
-            for (const fqbn of pkg.boards.map(({ fqbn }) => fqbn).filter(notEmpty).filter(fqbn => !!fqbn)) {
+            for (const fqbn of item.boards.map(({ fqbn }) => fqbn).filter(notEmpty).filter(fqbn => !!fqbn)) {
                 const key = this.getStorageKey(fqbn, version);
                 let data = await this.storageService.getData<ConfigOption[] | undefined>(key);
                 if (!data || !data.length) {

arduino-ide-extension/src/browser/boards/boards-service-client-impl.ts

@@ -1,11 +1,20 @@
-import { injectable, inject, optional } from 'inversify';
+import { injectable, inject } from 'inversify';
 import { Emitter } from '@theia/core/lib/common/event';
 import { ILogger } from '@theia/core/lib/common/logger';
 import { MessageService } from '@theia/core/lib/common/message-service';
 import { StorageService } from '@theia/core/lib/browser/storage-service';
 import { FrontendApplicationContribution } from '@theia/core/lib/browser/frontend-application';
 import { RecursiveRequired } from '../../common/types';
-import { BoardsServiceClient, AttachedBoardsChangeEvent, BoardInstalledEvent, Board, Port, BoardUninstalledEvent, BoardsService } from '../../common/protocol';
+import {
+    Port,
+    Board,
+    BoardsService,
+    BoardsPackage,
+    InstalledEvent,
+    UninstalledEvent,
+    BoardsServiceClient,
+    AttachedBoardsChangeEvent
+} from '../../common/protocol';
 import { BoardsConfig } from './boards-config';
 import { naturalCompare } from '../../common/utils';
 import { compareAnything } from '../theia/monaco/comparers';
@@ -21,15 +30,14 @@ export class BoardsServiceClientImpl implements BoardsServiceClient, FrontendApp
     @inject(ILogger)
     protected logger: ILogger;
 
-    @optional()
     @inject(MessageService)
     protected messageService: MessageService;
 
     @inject(StorageService)
     protected storageService: StorageService;
 
-    protected readonly onBoardsPackageInstalledEmitter = new Emitter<BoardInstalledEvent>();
-    protected readonly onBoardsPackageUninstalledEmitter = new Emitter<BoardUninstalledEvent>();
+    protected readonly onBoardsPackageInstalledEmitter = new Emitter<InstalledEvent<BoardsPackage>>();
+    protected readonly onBoardsPackageUninstalledEmitter = new Emitter<UninstalledEvent<BoardsPackage>>();
     protected readonly onAttachedBoardsChangedEmitter = new Emitter<AttachedBoardsChangeEvent>();
     protected readonly onBoardsConfigChangedEmitter = new Emitter<BoardsConfig.Config>();
     protected readonly onAvailableBoardsChangedEmitter = new Emitter<AvailableBoard[]>();
@@ -119,13 +127,13 @@ export class BoardsServiceClientImpl implements BoardsServiceClient, FrontendApp
         return false;
     }
 
-    notifyBoardInstalled(event: BoardInstalledEvent): void {
-        this.logger.info('Board installed: ', JSON.stringify(event));
+    notifyInstalled(event: InstalledEvent<BoardsPackage>): void {
+        this.logger.info('Boards package installed: ', JSON.stringify(event));
         this.onBoardsPackageInstalledEmitter.fire(event);
         const { selectedBoard } = this.boardsConfig;
-        const { installedVersion, id } = event.pkg;
+        const { installedVersion, id } = event.item;
         if (selectedBoard) {
-            const installedBoard = event.pkg.boards.find(({ name }) => name === selectedBoard.name);
+            const installedBoard = event.item.boards.find(({ name }) => name === selectedBoard.name);
             if (installedBoard && (!selectedBoard.fqbn || selectedBoard.fqbn === installedBoard.fqbn)) {
                 this.logger.info(`Board package ${id}[${installedVersion}] was installed. Updating the FQBN of the currently selected ${selectedBoard.name} board. [FQBN: ${installedBoard.fqbn}]`);
                 this.boardsConfig = {
@@ -136,14 +144,14 @@ export class BoardsServiceClientImpl implements BoardsServiceClient, FrontendApp
         }
     }
 
-    notifyBoardUninstalled(event: BoardUninstalledEvent): void {
-        this.logger.info('Board uninstalled: ', JSON.stringify(event));
+    notifyUninstalled(event: UninstalledEvent<BoardsPackage>): void {
+        this.logger.info('Boards package uninstalled: ', JSON.stringify(event));
         this.onBoardsPackageUninstalledEmitter.fire(event);
         const { selectedBoard } = this.boardsConfig;
         if (selectedBoard && selectedBoard.fqbn) {
-            const uninstalledBoard = event.pkg.boards.find(({ name }) => name === selectedBoard.name);
+            const uninstalledBoard = event.item.boards.find(({ name }) => name === selectedBoard.name);
             if (uninstalledBoard && uninstalledBoard.fqbn === selectedBoard.fqbn) {
-                this.logger.info(`Board package ${event.pkg.id} was uninstalled. Discarding the FQBN of the currently selected ${selectedBoard.name} board.`);
+                this.logger.info(`Board package ${event.item.id} was uninstalled. Discarding the FQBN of the currently selected ${selectedBoard.name} board.`);
                 const selectedBoardWithoutFqbn = {
                     name: selectedBoard.name
                     // No FQBN
@@ -219,7 +227,7 @@ export class BoardsServiceClientImpl implements BoardsServiceClient, FrontendApp
         }
 
         if (!config.selectedBoard) {
-            if (!options.silent && this.messageService) {
+            if (!options.silent) {
                 this.messageService.warn('No boards selected.', { timeout: 3000 });
             }
             return false;
@@ -241,14 +249,14 @@ export class BoardsServiceClientImpl implements BoardsServiceClient, FrontendApp
 
         const { name } = config.selectedBoard;
         if (!config.selectedPort) {
-            if (!options.silent && this.messageService) {
+            if (!options.silent) {
                 this.messageService.warn(`No ports selected for board: '${name}'.`, { timeout: 3000 });
             }
             return false;
         }
 
         if (!config.selectedBoard.fqbn) {
-            if (!options.silent && this.messageService) {
+            if (!options.silent) {
                 this.messageService.warn(`The FQBN is not available for the selected board ${name}. Do you have the corresponding core installed?`, { timeout: 3000 });
             }
             return false;

arduino-ide-extension/src/browser/contributions/contribution.ts

@@ -2,6 +2,7 @@ import { inject, injectable, interfaces } from 'inversify';
 import URI from '@theia/core/lib/common/uri';
 import { ILogger } from '@theia/core/lib/common/logger';
 import { FileSystem } from '@theia/filesystem/lib/common';
+import { MaybePromise } from '@theia/core/lib/common/types';
 import { LabelProvider } from '@theia/core/lib/browser/label-provider';
 import { MessageService } from '@theia/core/lib/common/message-service';
 import { WorkspaceService } from '@theia/workspace/lib/browser/workspace-service';
@@ -13,11 +14,12 @@ import { Command, CommandRegistry, CommandContribution, CommandService } from '@
 import { EditorMode } from '../editor-mode';
 import { SketchesServiceClientImpl } from '../../common/protocol/sketches-service-client-impl';
 import { SketchesService, ConfigService, FileSystemExt, Sketch } from '../../common/protocol';
+import { FrontendApplicationContribution, FrontendApplication } from '@theia/core/lib/browser';
 
 export { Command, CommandRegistry, MenuModelRegistry, KeybindingRegistry, TabBarToolbarRegistry, URI, Sketch, open };
 
 @injectable()
-export abstract class Contribution implements CommandContribution, MenuContribution, KeybindingContribution, TabBarToolbarContribution {
+export abstract class Contribution implements CommandContribution, MenuContribution, KeybindingContribution, TabBarToolbarContribution, FrontendApplicationContribution {
 
     @inject(ILogger)
     protected readonly logger: ILogger;
@@ -37,6 +39,9 @@ export abstract class Contribution implements CommandContribution, MenuContribut
     @inject(LabelProvider)
     protected readonly labelProvider: LabelProvider;
 
+    onStart(app: FrontendApplication): MaybePromise<void> {
+    }
+
     registerCommands(registry: CommandRegistry): void {
     }
 
@@ -75,11 +80,12 @@ export abstract class SketchContribution extends Contribution {
 }
 
 export namespace Contribution {
-    export function configure<T>(bind: interfaces.Bind, serviceIdentifier: interfaces.ServiceIdentifier<T>): void {
+    export function configure<T>(bind: interfaces.Bind, serviceIdentifier: typeof Contribution): void {
         bind(serviceIdentifier).toSelf().inSingletonScope();
         bind(CommandContribution).toService(serviceIdentifier);
         bind(MenuContribution).toService(serviceIdentifier);
         bind(KeybindingContribution).toService(serviceIdentifier);
         bind(TabBarToolbarContribution).toService(serviceIdentifier);
+        bind(FrontendApplicationContribution).toService(serviceIdentifier);
     }
 }

arduino-ide-extension/src/browser/contributions/examples.ts

@@ -0,0 +1,74 @@
+import { inject, injectable } from 'inversify';
+import { MenuPath, SubMenuOptions } from '@theia/core/lib/common/menu';
+import { Disposable, DisposableCollection } from '@theia/core/lib/common/disposable';
+import { OpenSketch } from './open-sketch';
+import { ArduinoMenus } from '../menu/arduino-menus';
+import { MainMenuManager } from '../../common/main-menu-manager';
+import { ExamplesService, ExampleContainer } from '../../common/protocol/examples-service';
+import { SketchContribution, CommandRegistry, MenuModelRegistry } from './contribution';
+
+@injectable()
+export class Examples extends SketchContribution {
+
+    @inject(MainMenuManager)
+    protected readonly menuManager: MainMenuManager;
+
+    @inject(ExamplesService)
+    protected readonly examplesService: ExamplesService;
+
+    @inject(CommandRegistry)
+    protected readonly commandRegistry: CommandRegistry;
+
+    @inject(MenuModelRegistry)
+    protected readonly menuRegistry: MenuModelRegistry;
+
+    protected readonly toDisposeBeforeRegister = new DisposableCollection();
+
+    onStart(): void {
+        this.registerExamples(); // no `await`
+    }
+
+    protected async registerExamples() {
+        let exampleContainer: ExampleContainer | undefined;
+        try {
+            exampleContainer = await this.examplesService.all();
+        } catch (e) {
+            console.error('Could not initialize built-in examples.', e);
+        }
+        if (!exampleContainer) {
+            this.messageService.error('Could not initialize built-in examples.');
+            return;
+        }
+        this.toDisposeBeforeRegister.dispose();
+        this.registerRecursively(exampleContainer, ArduinoMenus.FILE__SKETCH_GROUP, this.toDisposeBeforeRegister, { order: '4' });
+        this.menuManager.update();
+    }
+
+    registerRecursively(
+        exampleContainer: ExampleContainer,
+        menuPath: MenuPath,
+        pushToDispose: DisposableCollection = new DisposableCollection(),
+        options?: SubMenuOptions): void {
+
+        const { label, sketches, children } = exampleContainer;
+        const submenuPath = [...menuPath, label];
+        // TODO: unregister submenu? https://github.com/eclipse-theia/theia/issues/7300
+        this.menuRegistry.registerSubmenu(submenuPath, label, options);
+        children.forEach(child => this.registerRecursively(child, submenuPath, pushToDispose));
+        for (const sketch of sketches) {
+            const { uri } = sketch;
+            const commandId = `arduino-open-example-${submenuPath.join(':')}--${uri}`;
+            const command = { id: commandId };
+            const handler = {
+                execute: async () => {
+                    const sketch = await this.sketchService.cloneExample(uri);
+                    this.commandService.executeCommand(OpenSketch.Commands.OPEN_SKETCH.id, sketch);
+                }
+            };
+            pushToDispose.push(this.commandRegistry.registerCommand(command, handler));
+            this.menuRegistry.registerMenuAction(submenuPath, { commandId, label: sketch.name });
+            pushToDispose.push(Disposable.create(() => this.menuRegistry.unregisterMenuAction(command)));
+        }
+    }
+
+}

arduino-ide-extension/src/browser/contributions/include-library.ts

@@ -0,0 +1,36 @@
+import { /*inject,*/ injectable } from 'inversify';
+// import { remote } from 'electron';
+// import { ArduinoMenus } from '../menu/arduino-menus';
+import { SketchContribution, Command, CommandRegistry } from './contribution';
+import { LibraryPackage } from '../../common/protocol';
+// import { SaveAsSketch } from './save-as-sketch';
+// import { EditorManager } from '@theia/editor/lib/browser';
+// import { MonacoEditor } from '@theia/monaco/lib/browser/monaco-editor';
+
+@injectable()
+export class IncludeLibrary extends SketchContribution {
+
+    registerCommands(registry: CommandRegistry): void {
+        registry.registerCommand(IncludeLibrary.Commands.INCLUDE_LIBRARY, {
+            execute: async arg => {
+                if (LibraryPackage.is(arg)) {
+                    this.includeLibrary(arg);
+                }
+            }
+        });
+    }
+
+    protected async includeLibrary(library: LibraryPackage): Promise<void> {
+        // Always include to the main sketch file unless a c, cpp, or h file is the active one.
+        console.log('INCLUDE', library);
+    }
+
+}
+
+export namespace IncludeLibrary {
+    export namespace Commands {
+        export const INCLUDE_LIBRARY: Command = {
+            id: 'arduino-include-library'
+        };
+    }
+}

arduino-ide-extension/src/browser/contributions/open-sketch.ts

@@ -6,6 +6,8 @@ import { Disposable, DisposableCollection } from '@theia/core/lib/common/disposa
 import { ArduinoMenus } from '../menu/arduino-menus';
 import { ArduinoToolbar } from '../toolbar/arduino-toolbar';
 import { SketchContribution, Sketch, URI, Command, CommandRegistry, MenuModelRegistry, KeybindingRegistry, TabBarToolbarRegistry } from './contribution';
+import { ExamplesService } from '../../common/protocol/examples-service';
+import { Examples } from './examples';
 
 @injectable()
 export class OpenSketch extends SketchContribution {
@@ -16,6 +18,12 @@ export class OpenSketch extends SketchContribution {
     @inject(ContextMenuRenderer)
     protected readonly contextMenuRenderer: ContextMenuRenderer;
 
+    @inject(Examples)
+    protected readonly examples: Examples;
+
+    @inject(ExamplesService)
+    protected readonly examplesService: ExamplesService;
+
     protected readonly toDisposeBeforeCreateNewContextMenu = new DisposableCollection();
 
     registerCommands(registry: CommandRegistry): void {
@@ -53,6 +61,14 @@ export class OpenSketch extends SketchContribution {
                         });
                         this.toDisposeBeforeCreateNewContextMenu.push(Disposable.create(() => this.menuRegistry.unregisterMenuAction(command)));
                     }
+                    try {
+                        const { children } = await this.examplesService.all();
+                        for (const child of children) {
+                            this.examples.registerRecursively(child, ArduinoMenus.OPEN_SKETCH__CONTEXT__EXAMPLES_GROUP, this.toDisposeBeforeCreateNewContextMenu);
+                        }
+                    } catch (e) {
+                        console.error('Error when collecting built-in examples.', e);
+                    }
                     const options = {
                         menuPath: ArduinoMenus.OPEN_SKETCH__CONTEXT,
                         anchor: {

arduino-ide-extension/src/browser/library/include-library-menu-updater.ts

@@ -0,0 +1,90 @@
+import * as PQueue from 'p-queue';
+import { inject, injectable } from 'inversify';
+import { CommandRegistry } from '@theia/core/lib/common/command';
+import { MenuModelRegistry, MenuPath } from '@theia/core/lib/common/menu';
+import { FrontendApplicationContribution } from '@theia/core/lib/browser';
+import { Disposable, DisposableCollection } from '@theia/core/lib/common/disposable';
+import { ArduinoMenus } from '../menu/arduino-menus';
+import { LibraryPackage } from '../../common/protocol';
+import { IncludeLibrary } from '../contributions/include-library';
+import { MainMenuManager } from '../../common/main-menu-manager';
+import { LibraryListWidget } from './library-list-widget';
+import { LibraryServiceProvider } from './library-service-provider';
+import { BoardsServiceClientImpl } from '../boards/boards-service-client-impl';
+
+@injectable()
+export class IncludeLibraryMenuUpdater implements FrontendApplicationContribution {
+
+    @inject(CommandRegistry)
+    protected readonly commandRegistry: CommandRegistry;
+
+    @inject(MenuModelRegistry)
+    protected readonly menuRegistry: MenuModelRegistry;
+
+    @inject(MainMenuManager)
+    protected readonly mainMenuManager: MainMenuManager;
+
+    @inject(LibraryServiceProvider)
+    protected readonly libraryServiceProvider: LibraryServiceProvider;
+
+    @inject(BoardsServiceClientImpl)
+    protected readonly boardsServiceClient: BoardsServiceClientImpl;
+
+    protected readonly queue = new PQueue({ autoStart: true, concurrency: 1 });
+    protected readonly toDispose = new DisposableCollection();
+
+    async onStart(): Promise<void> {
+        this.updateMenuActions();
+        this.boardsServiceClient.onBoardsConfigChanged(() => this.updateMenuActions())
+        this.libraryServiceProvider.onLibraryPackageInstalled(() => this.updateMenuActions());
+        this.libraryServiceProvider.onLibraryPackageUninstalled(() => this.updateMenuActions());
+    }
+
+    protected async updateMenuActions(): Promise<void> {
+        return this.queue.add(async () => {
+            this.toDispose.dispose();
+            this.mainMenuManager.update();
+            const fqbn = this.boardsServiceClient.boardsConfig.selectedBoard?.fqbn;
+            const libraries = await this.libraryServiceProvider.list({ fqbn });
+
+            // `Include Library` submenu
+            const includeLibMenuPath = [...ArduinoMenus.SKETCH__UTILS_GROUP, '0_include'];
+            this.menuRegistry.registerSubmenu(includeLibMenuPath, 'Include Library', { order: '1' });
+            // `Manage Libraries...` group.
+            this.menuRegistry.registerMenuAction([...includeLibMenuPath, '0_manage'], {
+                commandId: `${LibraryListWidget.WIDGET_ID}:toggle`,
+                label: 'Manage Libraries...'
+            });
+            this.toDispose.push(Disposable.create(() => this.menuRegistry.unregisterMenuAction({ commandId: `${LibraryListWidget.WIDGET_ID}:toggle` })));
+
+            // `Add .ZIP Library...`
+            // TODO: implement it
+
+            // `Arduino libraries`
+            const arduinoLibsMenuPath = [...includeLibMenuPath, '2_arduino'];
+            for (const library of libraries.filter(({ author }) => author.toLowerCase() === 'arduino')) {
+                this.toDispose.push(this.registerLibrary(library, arduinoLibsMenuPath));
+            }
+
+            const contributedLibsMenuPath = [...includeLibMenuPath, '3_contributed'];
+            for (const library of libraries.filter(({ author }) => author.toLowerCase() !== 'arduino')) {
+                this.toDispose.push(this.registerLibrary(library, contributedLibsMenuPath));
+            }
+
+            this.mainMenuManager.update();
+        });
+    }
+
+    protected registerLibrary(library: LibraryPackage, menuPath: MenuPath): Disposable {
+        const commandId = `arduino-include-library--${library.name}:${library.author}`;
+        const command = { id: commandId };
+        const handler = { execute: () => this.commandRegistry.executeCommand(IncludeLibrary.Commands.INCLUDE_LIBRARY.id, library) };
+        const menuAction = { commandId, label: library.name };
+        this.menuRegistry.registerMenuAction(menuPath, menuAction);
+        return new DisposableCollection(
+            this.commandRegistry.registerCommand(command, handler),
+            Disposable.create(() => this.menuRegistry.unregisterMenuAction(menuAction)),
+        );
+    }
+
+}

arduino-ide-extension/src/browser/library/library-list-widget.ts

@@ -1,17 +1,18 @@
 import { inject, injectable } from 'inversify';
-import { Library, LibraryService } from '../../common/protocol/library-service';
+import { LibraryPackage } from '../../common/protocol/library-service';
 import { ListWidget } from '../widgets/component-list/list-widget';
 import { ListItemRenderer } from '../widgets/component-list/list-item-renderer';
+import { LibraryServiceProvider } from './library-service-provider';
 
 @injectable()
-export class LibraryListWidget extends ListWidget<Library> {
+export class LibraryListWidget extends ListWidget<LibraryPackage> {
 
     static WIDGET_ID = 'library-list-widget';
     static WIDGET_LABEL = 'Library Manager';
 
     constructor(
-        @inject(LibraryService) protected service: LibraryService,
-        @inject(ListItemRenderer) protected itemRenderer: ListItemRenderer<Library>) {
+        @inject(LibraryServiceProvider) protected service: LibraryServiceProvider,
+        @inject(ListItemRenderer) protected itemRenderer: ListItemRenderer<LibraryPackage>) {
 
         super({
             id: LibraryListWidget.WIDGET_ID,
@@ -19,7 +20,7 @@ export class LibraryListWidget extends ListWidget<Library> {
             iconClass: 'library-tab-icon',
             searchable: service,
             installable: service,
-            itemLabel: (item: Library) => item.name,
+            itemLabel: (item: LibraryPackage) => item.name,
             itemRenderer
         });
     }

arduino-ide-extension/src/browser/library/library-service-provider.ts

@@ -0,0 +1,61 @@
+import { inject, injectable, postConstruct } from 'inversify';
+import { JsonRpcProxy } from '@theia/core/lib/common/messaging/proxy-factory';
+import { Event, Emitter } from '@theia/core/lib/common/event';
+import { DisposableCollection } from '@theia/core/lib/common/disposable';
+import { Searchable, InstalledEvent, UninstalledEvent } from '../../common/protocol';
+import { LibraryPackage, LibraryServiceServer, LibraryService } from '../../common/protocol/library-service';
+
+@injectable()
+export class LibraryServiceProvider implements Required<LibraryService> {
+
+    @inject(LibraryServiceServer)
+    protected readonly server: JsonRpcProxy<LibraryServiceServer>;
+
+    protected readonly onLibraryPackageInstalledEmitter = new Emitter<InstalledEvent<LibraryPackage>>();
+    protected readonly onLibraryPackageUninstalledEmitter = new Emitter<UninstalledEvent<LibraryPackage>>();
+    protected readonly toDispose = new DisposableCollection(
+        this.onLibraryPackageInstalledEmitter,
+        this.onLibraryPackageUninstalledEmitter
+    );
+
+    @postConstruct()
+    protected init(): void {
+        this.server.setClient({
+            notifyInstalled: event => this.onLibraryPackageInstalledEmitter.fire(event),
+            notifyUninstalled: event => this.onLibraryPackageUninstalledEmitter.fire(event)
+        });
+    }
+
+    get onLibraryPackageInstalled(): Event<InstalledEvent<LibraryPackage>> {
+        return this.onLibraryPackageInstalledEmitter.event;
+    }
+
+    get onLibraryPackageUninstalled(): Event<InstalledEvent<LibraryPackage>> {
+        return this.onLibraryPackageUninstalledEmitter.event;
+    }
+
+    // #region remote library service API
+
+    async install(options: { item: LibraryPackage; version?: string | undefined; }): Promise<void> {
+        return this.server.install(options);
+    }
+
+    async list(options: LibraryService.List.Options): Promise<LibraryPackage[]> {
+        return this.server.list(options);
+    }
+
+    async uninstall(options: { item: LibraryPackage; }): Promise<void> {
+        return this.server.uninstall(options);
+    }
+
+    async search(options: Searchable.Options): Promise<LibraryPackage[]> {
+        return this.server.search(options);
+    }
+
+    // #endregion remote API
+
+    dispose(): void {
+        this.toDispose.dispose();
+    }
+
+}

arduino-ide-extension/src/common/protocol/arduino-component.ts

@@ -12,3 +12,15 @@ export interface ArduinoComponent {
 
     readonly installedVersion?: Installable.Version;
 }
+export namespace ArduinoComponent {
+
+    export function is(arg: any): arg is ArduinoComponent {
+        return !!arg
+            && 'name' in arg && typeof arg['name'] === 'string'
+            && 'author' in arg && typeof arg['author'] === 'string'
+            && 'summary' in arg && typeof arg['summary'] === 'string'
+            && 'description' in arg && typeof arg['description'] === 'string'
+            && 'installable' in arg && typeof arg['installable'] === 'boolean';
+    }
+
+}

arduino-ide-extension/src/common/protocol/boards-service.ts

@@ -2,7 +2,7 @@ import { isWindows, isOSX } from '@theia/core/lib/common/os';
 import { JsonRpcServer } from '@theia/core/lib/common/messaging/proxy-factory';
 import { naturalCompare } from './../utils';
 import { Searchable } from './searchable';
-import { Installable } from './installable';
+import { Installable, InstallableClient } from './installable';
 import { ArduinoComponent } from './arduino-component';
 
 export interface AttachedBoardsChangeEvent {
@@ -45,19 +45,9 @@ export namespace AttachedBoardsChangeEvent {
 
 }
 
-export interface BoardInstalledEvent {
-    readonly pkg: Readonly<BoardsPackage>;
-}
-
-export interface BoardUninstalledEvent {
-    readonly pkg: Readonly<BoardsPackage>;
-}
-
 export const BoardsServiceClient = Symbol('BoardsServiceClient');
-export interface BoardsServiceClient {
+export interface BoardsServiceClient extends InstallableClient<BoardsPackage> {
     notifyAttachedBoardsChanged(event: AttachedBoardsChangeEvent): void;
-    notifyBoardInstalled(event: BoardInstalledEvent): void
-    notifyBoardUninstalled(event: BoardUninstalledEvent): void
 }
 
 export const BoardsServicePath = '/services/boards-service';
@@ -194,6 +184,11 @@ export interface BoardsPackage extends ArduinoComponent {
     readonly id: string;
     readonly boards: Board[];
 }
+export namespace BoardsPackage {
+    export function equals(left: BoardsPackage, right: BoardsPackage): boolean {
+        return left.id === right.id;
+    }
+}
 
 export interface Board {
     readonly name: string;

arduino-ide-extension/src/common/protocol/examples-service.ts

@@ -0,0 +1,13 @@
+import { Sketch } from './sketches-service';
+
+export const ExamplesServicePath = '/services/example-service';
+export const ExamplesService = Symbol('ExamplesService');
+export interface ExamplesService {
+    all(): Promise<ExampleContainer>;
+}
+
+export interface ExampleContainer {
+    readonly label: string;
+    readonly children: ExampleContainer[];
+    readonly sketches: Sketch[];
+}

arduino-ide-extension/src/common/protocol/installable.ts

@@ -1,6 +1,17 @@
 import { naturalCompare } from './../utils';
 import { ArduinoComponent } from './arduino-component';
 
+export interface InstalledEvent<T extends ArduinoComponent> {
+    readonly item: Readonly<T>;
+}
+export interface UninstalledEvent<T extends ArduinoComponent> {
+    readonly item: Readonly<T>;
+}
+export interface InstallableClient<T extends ArduinoComponent> {
+    notifyInstalled(event: InstalledEvent<T>): void
+    notifyUninstalled(event: UninstalledEvent<T>): void
+}
+
 export interface Installable<T extends ArduinoComponent> {
     /**
      * If `options.version` is specified, that will be installed. Otherwise, `item.availableVersions[0]`.

arduino-ide-extension/src/common/protocol/library-service.ts

@@ -1,13 +1,46 @@
+import { JsonRpcServer } from '@theia/core/lib/common/messaging/proxy-factory';
 import { Searchable } from './searchable';
-import { Installable } from './installable';
 import { ArduinoComponent } from './arduino-component';
+import { Installable, InstallableClient } from './installable';
 
-export const LibraryServicePath = '/services/library-service';
-export const LibraryService = Symbol('LibraryService');
-export interface LibraryService extends Installable<Library>, Searchable<Library> {
-    install(options: { item: Library, version?: Installable.Version }): Promise<void>;
+export interface LibraryService extends Installable<LibraryPackage>, Searchable<LibraryPackage> {
+    install(options: { item: LibraryPackage, version?: Installable.Version }): Promise<void>;
+    list(options: LibraryService.List.Options): Promise<LibraryPackage[]>;
 }
 
-export interface Library extends ArduinoComponent {
-    readonly builtIn?: boolean;
+export const LibraryServiceClient = Symbol('LibraryServiceClient');
+export interface LibraryServiceClient extends InstallableClient<LibraryPackage> {
+}
+
+export const LibraryServiceServerPath = '/services/library-service-server';
+export const LibraryServiceServer = Symbol('LibraryServiceServer');
+export interface LibraryServiceServer extends LibraryService, JsonRpcServer<LibraryServiceClient> {
+}
+
+export namespace LibraryService {
+    export namespace List {
+        export interface Options {
+            readonly fqbn?: string | undefined;
+        }
+    }
+}
+
+export interface LibraryPackage extends ArduinoComponent {
+    /**
+     * An array of string that should be included into the `ino` file if this library is used.
+     * For example, including `SD` will prepend `#include <SD.h>` to the `ino` file. While including `Bridge`
+     * requires multiple `#include` declarations: `YunClient`, `YunServer`, `Bridge`, etc.
+     */
+    readonly includes: string[];
+}
+export namespace LibraryPackage {
+
+    export function is(arg: any): arg is LibraryPackage {
+        return ArduinoComponent.is(arg) && 'includes' in arg && Array.isArray(arg['includes']);
+    }
+
+    export function equals(left: LibraryPackage, right: LibraryPackage): boolean {
+        return left.name === right.name && left.author === right.author;
+    }
+
 }

arduino-ide-extension/src/common/protocol/sketches-service.ts

@@ -22,6 +22,11 @@ export interface SketchesService {
      */
     createNewSketch(): Promise<Sketch>;
 
+    /**
+     * Creates a new sketch with existing content. Rejects if `uri` is not pointing to a valid sketch folder.
+     */
+    cloneExample(uri: string): Promise<Sketch>;
+
     isSketchFolder(uri: string): Promise<boolean>;
 
     /**

arduino-ide-extension/src/common/utils.ts

@@ -7,3 +7,7 @@ export function notEmpty(arg: string | undefined | null): arg is string {
 export function firstToLowerCase(what: string): string {
     return what.charAt(0).toLowerCase() + what.slice(1);
 }
+
+export function firstToUpperCase(what: string): string {
+    return what.charAt(0).toUpperCase() + what.slice(1);
+}

arduino-ide-extension/src/node/arduino-ide-backend-module.ts

@@ -7,7 +7,7 @@ import { ILogger } from '@theia/core/lib/common/logger';
 import { BackendApplicationContribution } from '@theia/core/lib/node/backend-application';
 import { LanguageServerContribution } from '@theia/languages/lib/node';
 import { ArduinoLanguageServerContribution } from './language/arduino-language-server-contribution';
-import { LibraryService, LibraryServicePath } from '../common/protocol/library-service';
+import { LibraryServiceServerPath, LibraryServiceServer, LibraryServiceClient } from '../common/protocol/library-service';
 import { BoardsService, BoardsServicePath, BoardsServiceClient } from '../common/protocol/boards-service';
 import { LibraryServiceImpl } from './library-service-impl';
 import { BoardsServiceImpl } from './boards-service-impl';
@@ -35,6 +35,8 @@ import { EnvVariablesServer } from '@theia/core/lib/common/env-variables';
 import { ArduinoEnvVariablesServer } from './arduino-env-variables-server';
 import { NodeFileSystemExt } from './node-filesystem-ext';
 import { FileSystemExt, FileSystemExtPath } from '../common/protocol/filesystem-ext';
+import { ExamplesServiceImpl } from './examples-service-impl';
+import { ExamplesService, ExamplesServicePath } from '../common/protocol/examples-service';
 
 export default new ContainerModule((bind, unbind, isBound, rebind) => {
     rebind(EnvVariablesServer).to(ArduinoEnvVariablesServer).inSingletonScope();
@@ -66,25 +68,31 @@ export default new ContainerModule((bind, unbind, isBound, rebind) => {
         })
     ).inSingletonScope();
 
+    // Shared examples service
+    bind(ExamplesServiceImpl).toSelf().inSingletonScope();
+    bind(ExamplesService).toService(ExamplesServiceImpl);
+    bind(ConnectionHandler).toDynamicValue(context => new JsonRpcConnectionHandler(ExamplesServicePath, () => context.container.get(ExamplesService))).inSingletonScope();
+
     // Language server
     bind(ArduinoLanguageServerContribution).toSelf().inSingletonScope();
     bind(LanguageServerContribution).toService(ArduinoLanguageServerContribution);
 
     // Library service
-    const libraryServiceConnectionModule = ConnectionContainerModule.create(({ bind, bindBackendService }) => {
-        bind(LibraryServiceImpl).toSelf().inSingletonScope();
-        bind(LibraryService).toService(LibraryServiceImpl);
-        bindBackendService(LibraryServicePath, LibraryService);
-    });
-    bind(ConnectionContainerModule).toConstantValue(libraryServiceConnectionModule);
+    bind(LibraryServiceImpl).toSelf().inSingletonScope();
+    bind(LibraryServiceServer).toService(LibraryServiceImpl);
+    bind(ConnectionHandler).toDynamicValue(context =>
+        new JsonRpcConnectionHandler<LibraryServiceClient>(LibraryServiceServerPath, client => {
+            const server = context.container.get<LibraryServiceImpl>(LibraryServiceImpl);
+            server.setClient(client);
+            client.onDidCloseConnection(() => server.dispose());
+            return server;
+        })
+    ).inSingletonScope();
 
-    // Sketches service
-    const sketchesServiceConnectionModule = ConnectionContainerModule.create(({ bind, bindBackendService }) => {
-        bind(SketchesServiceImpl).toSelf().inSingletonScope();
-        bind(SketchesService).toService(SketchesServiceImpl);
-        bindBackendService(SketchesServicePath, SketchesService);
-    });
-    bind(ConnectionContainerModule).toConstantValue(sketchesServiceConnectionModule);
+    // Shred sketches service
+    bind(SketchesServiceImpl).toSelf().inSingletonScope();
+    bind(SketchesService).toService(SketchesServiceImpl);
+    bind(ConnectionHandler).toDynamicValue(context => new JsonRpcConnectionHandler(SketchesServicePath, () => context.container.get(SketchesService))).inSingletonScope();
 
     // Boards service
     const boardsServiceConnectionModule = ConnectionContainerModule.create(async ({ bind, bindBackendService }) => {
@@ -190,6 +198,6 @@ export default new ContainerModule((bind, unbind, isBound, rebind) => {
 
     // File-system extension for mapping paths to URIs
     bind(NodeFileSystemExt).toSelf().inSingletonScope();
-    bind(FileSystemExt).toDynamicValue(context => context.container.get(NodeFileSystemExt));
+    bind(FileSystemExt).toService(NodeFileSystemExt);
     bind(ConnectionHandler).toDynamicValue(context => new JsonRpcConnectionHandler(FileSystemExtPath, () => context.container.get(FileSystemExt))).inSingletonScope();
 });

arduino-ide-extension/src/node/boards-service-impl.ts

@@ -112,8 +112,8 @@ export class BoardsServiceImpl implements BoardsService {
         if (this.discoveryTimer !== undefined) {
             clearInterval(this.discoveryTimer);
         }
-        this.logger.info('<<< Disposed boards service.');
         this.client = undefined;
+        this.logger.info('<<< Disposed boards service.');
     }
 
     async getAttachedBoards(): Promise<Board[]> {
@@ -370,15 +370,15 @@ export class BoardsServiceImpl implements BoardsService {
     }
 
     async install(options: { item: BoardsPackage, version?: Installable.Version }): Promise<void> {
-        const pkg = options.item;
-        const version = !!options.version ? options.version : pkg.availableVersions[0];
+        const item = options.item;
+        const version = !!options.version ? options.version : item.availableVersions[0];
         const coreClient = await this.coreClientProvider.client();
         if (!coreClient) {
             return;
         }
         const { client, instance } = coreClient;
 
-        const [platform, architecture] = pkg.id.split(':');
+        const [platform, architecture] = item.id.split(':');
 
         const req = new PlatformInstallReq();
         req.setInstance(instance);
@@ -386,7 +386,7 @@ export class BoardsServiceImpl implements BoardsService {
         req.setPlatformPackage(platform);
         req.setVersion(version);
 
-        console.info('Starting board installation', pkg);
+        console.info('>>> Starting boards package installation...', item);
         const resp = client.platformInstall(req);
         resp.on('data', (r: PlatformInstallResp) => {
             const prog = r.getProgress();
@@ -399,34 +399,34 @@ export class BoardsServiceImpl implements BoardsService {
             resp.on('error', reject);
         });
         if (this.client) {
-            const packages = await this.search({});
-            const updatedPackage = packages.find(({ id }) => id === pkg.id) || pkg;
-            this.client.notifyBoardInstalled({ pkg: updatedPackage });
+            const items = await this.search({});
+            const updated = items.find(other => BoardsPackage.equals(other, item)) || item;
+            this.client.notifyInstalled({ item: updated });
         }
-        console.info('Board installation done', pkg);
+        console.info('<<< Boards package installation done.', item);
     }
 
     async uninstall(options: { item: BoardsPackage }): Promise<void> {
-        const pkg = options.item;
+        const item = options.item;
         const coreClient = await this.coreClientProvider.client();
         if (!coreClient) {
             return;
         }
         const { client, instance } = coreClient;
 
-        const [platform, architecture] = pkg.id.split(':');
+        const [platform, architecture] = item.id.split(':');
 
         const req = new PlatformUninstallReq();
         req.setInstance(instance);
         req.setArchitecture(architecture);
         req.setPlatformPackage(platform);
 
-        console.info('Starting board uninstallation', pkg);
+        console.info('>>> Starting boards package uninstallation...', item);
         let logged = false;
         const resp = client.platformUninstall(req);
         resp.on('data', (_: PlatformUninstallResp) => {
             if (!logged) {
-                this.toolOutputService.append({ tool: 'board uninstall', chunk: `uninstalling ${pkg.id}\n` });
+                this.toolOutputService.append({ tool: 'board uninstall', chunk: `uninstalling ${item.id}\n` });
                 logged = true;
             }
         })
@@ -435,10 +435,10 @@ export class BoardsServiceImpl implements BoardsService {
             resp.on('error', reject);
         });
         if (this.client) {
-            // Here, unlike at `install` we send out the argument `pkg`. Otherwise, we would not know about the board FQBN.
-            this.client.notifyBoardUninstalled({ pkg });
+            // Here, unlike at `install` we send out the argument `item`. Otherwise, we would not know about the board FQBN.
+            this.client.notifyUninstalled({ item });
         }
-        console.info('Board uninstallation done', pkg);
+        console.info('<<< Boards package uninstallation done.', item);
     }
 
 }

arduino-ide-extension/src/node/core-client-provider.ts

@@ -15,11 +15,16 @@ export class CoreClientProvider extends GrpcClientProvider<CoreClientProvider.Cl
     protected readonly toolOutputService: ToolOutputServiceServer;
 
     protected readonly onIndexUpdatedEmitter = new Emitter<void>();
+    protected readonly onClientReadyEmitter = new Emitter<void>();
 
     get onIndexUpdated(): Event<void> {
         return this.onIndexUpdatedEmitter.event;
     }
 
+    get onClientReady(): Event<void> {
+        return this.onClientReadyEmitter.event;
+    }
+
     close(client: CoreClientProvider.Client): void {
         client.client.close();
     }
@@ -28,10 +33,12 @@ export class CoreClientProvider extends GrpcClientProvider<CoreClientProvider.Cl
         if (port && port === this._port) {
             // No need to create a new gRPC client, but we have to update the indexes.
             if (this._client) {
-                this.updateIndexes(this._client);
+                await this.updateIndexes(this._client);
+                this.onClientReadyEmitter.fire();
             }
         } else {
-            return super.reconcileClient(port);
+            await super.reconcileClient(port);
+            this.onClientReadyEmitter.fire();
         }
     }
 

arduino-ide-extension/src/node/examples-service-impl.ts

@@ -0,0 +1,79 @@
+import { inject, injectable, postConstruct } from 'inversify';
+import { join, basename } from 'path';
+import * as fs from './fs-extra';
+import { FileUri } from '@theia/core/lib/node/file-uri';
+import { Sketch } from '../common/protocol/sketches-service';
+import { SketchesServiceImpl } from './sketches-service-impl';
+import { ExamplesService, ExampleContainer } from '../common/protocol/examples-service';
+
+@injectable()
+export class ExamplesServiceImpl implements ExamplesService {
+
+    @inject(SketchesServiceImpl)
+    protected readonly sketchesService: SketchesServiceImpl;
+
+    protected _all: ExampleContainer | undefined;
+
+    @postConstruct()
+    protected init(): void {
+        this.all();
+    }
+
+    async all(): Promise<ExampleContainer> {
+        if (this._all) {
+            return this._all;
+        }
+        this._all = await this.load();
+        return this._all;
+    }
+
+    protected async load(path: string = join(__dirname, '..', '..', 'Examples')): Promise<ExampleContainer> {
+        if (!await fs.exists(path)) {
+            throw new Error('Examples are not available');
+        }
+        const stat = await fs.stat(path);
+        if (!stat.isDirectory) {
+            throw new Error(`${path} is not a directory.`);
+        }
+        const names = await fs.readdir(path);
+        const sketches: Sketch[] = [];
+        const children: ExampleContainer[] = [];
+        for (const p of names.map(name => join(path, name))) {
+            const stat = await fs.stat(p);
+            if (stat.isDirectory()) {
+                const sketch = await this.tryLoadSketch(p);
+                if (sketch) {
+                    sketches.push(sketch);
+                } else {
+                    const child = await this.load(p);
+                    children.push(child);
+                }
+            }
+        }
+        const label = basename(path);
+        return {
+            label,
+            children,
+            sketches
+        };
+    }
+
+    protected async group(paths: string[]): Promise<Map<string, fs.Stats>> {
+        const map = new Map<string, fs.Stats>();
+        for (const path of paths) {
+            const stat = await fs.stat(path);
+            map.set(path, stat);
+        }
+        return map;
+    }
+
+    protected async tryLoadSketch(path: string): Promise<Sketch | undefined> {
+        try {
+            const sketch = await this.sketchesService.loadSketch(FileUri.create(path).toString());
+            return sketch;
+        } catch {
+            return undefined;
+        }
+    }
+
+}

arduino-ide-extension/src/node/fs-extra.ts

@@ -2,6 +2,7 @@ import * as fs from 'fs';
 import { promisify } from 'util';
 
 export const constants = fs.constants;
+export type Stats = fs.Stats;
 
 export const existsSync = fs.existsSync;
 export const lstatSync = fs.lstatSync;

arduino-ide-extension/src/node/library-service-impl.ts

@@ -1,5 +1,5 @@
-import { injectable, inject } from 'inversify';
-import { Library, LibraryService } from '../common/protocol/library-service';
+import { injectable, inject, postConstruct } from 'inversify';
+import { LibraryPackage, LibraryService, LibraryServiceClient } from '../common/protocol/library-service';
 import { CoreClientProvider } from './core-client-provider';
 import {
     LibrarySearchReq,
@@ -15,17 +15,37 @@ import {
 } from './cli-protocol/commands/lib_pb';
 import { ToolOutputServiceServer } from '../common/protocol/tool-output-service';
 import { Installable } from '../common/protocol/installable';
+import { ILogger, notEmpty } from '@theia/core';
+import { Deferred } from '@theia/core/lib/common/promise-util';
 
 @injectable()
 export class LibraryServiceImpl implements LibraryService {
 
+    @inject(ILogger)
+    protected logger: ILogger;
+
     @inject(CoreClientProvider)
     protected readonly coreClientProvider: CoreClientProvider;
 
     @inject(ToolOutputServiceServer)
     protected readonly toolOutputService: ToolOutputServiceServer;
 
-    async search(options: { query?: string }): Promise<Library[]> {
+    protected ready = new Deferred<void>();
+    protected client: LibraryServiceClient | undefined;
+
+    @postConstruct()
+    protected init(): void {
+        this.coreClientProvider.client().then(client => {
+            if (client) {
+                this.ready.resolve();
+            } else {
+                this.coreClientProvider.onClientReady(() => this.ready.resolve());
+            }
+        })
+    }
+
+    async search(options: { query?: string }): Promise<LibraryPackage[]> {
+        await this.ready.promise;
         const coreClient = await this.coreClientProvider.client();
         if (!coreClient) {
             return [];
@@ -71,9 +91,74 @@ export class LibraryServiceImpl implements LibraryService {
         return items;
     }
 
-    async install(options: { item: Library, version?: Installable.Version }): Promise<void> {
-        const library = options.item;
-        const version = !!options.version ? options.version : library.availableVersions[0];
+    async list({ fqbn }: { fqbn?: string | undefined }): Promise<LibraryPackage[]> {
+        await this.ready.promise;
+        const coreClient = await this.coreClientProvider.client();
+        if (!coreClient) {
+            return [];
+        }
+        const { client, instance } = coreClient;
+
+        const req = new LibraryListReq();
+        req.setInstance(instance);
+        req.setAll(true);
+        const resp = await new Promise<LibraryListResp>((resolve, reject) => client.libraryList(req, ((error, resp) => !!error ? reject(error) : resolve(resp))));
+        const x = resp.getInstalledLibraryList().map(item => {
+            const release = item.getRelease();
+            const library = item.getLibrary();
+            if (!release || !library) {
+                return undefined;
+            }
+            // https://arduino.github.io/arduino-cli/latest/rpc/commands/#librarylocation
+            // 0: In the libraries subdirectory of the Arduino IDE installation. (`ide_builtin`)
+            // 1: In the libraries subdirectory of the user directory (sketchbook). (`user`)
+            // 2: In the libraries subdirectory of a platform. (`platform_builtin`)
+            // 3: When LibraryLocation is used in a context where a board is specified, this indicates the library is
+            // in the libraries subdirectory of a platform referenced by the board's platform. (`referenced_platform_builtin`)
+            // If 0, we ignore it.
+            // If 1, we include always.
+            // If 2, we include iff `fqbn` is specified and the platform matches.
+            // if 3, TODO
+            const location = library.getLocation();
+
+            if (location === 0) {
+                return undefined;
+            }
+
+            if (location === 2) {
+                if (!fqbn) {
+                    return undefined;
+                }
+                const architectures = library.getArchitecturesList();
+                const [platform] = library.getContainerPlatform().split(':');
+                if (!platform) {
+                    return undefined;
+                }
+                const [boardPlatform, boardArchitecture] = fqbn.split(':');
+                if (boardPlatform !== platform || architectures.indexOf(boardArchitecture) === -1) {
+                    return undefined;
+                }
+            }
+
+            const installedVersion = library.getVersion();
+            return toLibrary({
+                name: library.getName(),
+                installedVersion,
+                installable: true,
+                description: library.getSentence(),
+                summary: library.getParagraph(),
+                includes: release.getProvidesIncludesList(),
+                moreInfoLink: library.getWebsite()
+            }, release, [library.getVersion()]);
+        }).filter(notEmpty);
+        console.log(x);
+        return x;
+    }
+
+    async install(options: { item: LibraryPackage, version?: Installable.Version }): Promise<void> {
+        await this.ready.promise;
+        const item = options.item;
+        const version = !!options.version ? options.version : item.availableVersions[0];
         const coreClient = await this.coreClientProvider.client();
         if (!coreClient) {
             return;
@@ -82,9 +167,10 @@ export class LibraryServiceImpl implements LibraryService {
 
         const req = new LibraryInstallReq();
         req.setInstance(instance);
-        req.setName(library.name);
+        req.setName(item.name);
         req.setVersion(version);
 
+        console.info('>>> Starting library package installation...', item);
         const resp = client.libraryInstall(req);
         resp.on('data', (r: LibraryInstallResp) => {
             const prog = r.getProgress();
@@ -96,10 +182,18 @@ export class LibraryServiceImpl implements LibraryService {
             resp.on('end', resolve);
             resp.on('error', reject);
         });
+
+        if (this.client) {
+            const items = await this.search({});
+            const updated = items.find(other => LibraryPackage.equals(other, item)) || item;
+            this.client.notifyInstalled({ item: updated });
+        }
+
+        console.info('<<< Library package installation done.', item);
     }
 
-    async uninstall(options: { item: Library }): Promise<void> {
-        const library = options.item;
+    async uninstall(options: { item: LibraryPackage }): Promise<void> {
+        const item = options.item;
         const coreClient = await this.coreClientProvider.client();
         if (!coreClient) {
             return;
@@ -108,14 +202,15 @@ export class LibraryServiceImpl implements LibraryService {
 
         const req = new LibraryUninstallReq();
         req.setInstance(instance);
-        req.setName(library.name);
-        req.setVersion(library.installedVersion!);
+        req.setName(item.name);
+        req.setVersion(item.installedVersion!);
 
+        console.info('>>> Starting library package uninstallation...', item);
         let logged = false;
         const resp = client.libraryUninstall(req);
         resp.on('data', (_: LibraryUninstallResp) => {
             if (!logged) {
-                this.toolOutputService.append({ tool: 'library', chunk: `uninstalling ${library.name}:${library.installedVersion}%\n` });
+                this.toolOutputService.append({ tool: 'library', chunk: `uninstalling ${item.name}:${item.installedVersion}%\n` });
                 logged = true;
             }
         });
@@ -123,11 +218,25 @@ export class LibraryServiceImpl implements LibraryService {
             resp.on('end', resolve);
             resp.on('error', reject);
         });
+        if (this.client) {
+            this.client.notifyUninstalled({ item });
+        }
+        console.info('<<< Library package uninstallation done.', item);
+    }
+
+    setClient(client: LibraryServiceClient | undefined): void {
+        this.client = client;
+    }
+
+    dispose(): void {
+        this.logger.info('>>> Disposing library service...');
+        this.client = undefined;
+        this.logger.info('<<< Disposed library service.');
     }
 
 }
 
-function toLibrary(tpl: Partial<Library>, release: LibraryRelease, availableVersions: string[]): Library {
+function toLibrary(tpl: Partial<LibraryPackage>, release: LibraryRelease, availableVersions: string[]): LibraryPackage {
     return {
         name: '',
         installable: false,
@@ -135,6 +244,7 @@ function toLibrary(tpl: Partial<Library>, release: LibraryRelease, availableVers
 
         author: release.getAuthor(),
         availableVersions,
+        includes: release.getProvidesIncludesList(),
         description: release.getSentence(),
         moreInfoLink: release.getWebsite(),
         summary: release.getParagraph()

arduino-ide-extension/src/node/sketches-service-impl.ts

@@ -19,6 +19,8 @@ const MAX_FILESYSTEM_DEPTH = 40;
 
 const WIN32_DRIVE_REGEXP = /^[a-zA-Z]:\\/;
 
+const prefix = '.arduinoProIDE-unsaved';
+
 // TODO: `fs`: use async API 
 @injectable()
 export class SketchesServiceImpl implements SketchesService, BackendApplicationContribution {
@@ -205,6 +207,22 @@ export class SketchesServiceImpl implements SketchesService, BackendApplicationC
         }
     }
 
+    async cloneExample(uri: string): Promise<Sketch> {
+        const sketch = await this.loadSketch(uri);
+        const parentPath = await new Promise<string>((resolve, reject) => {
+            this.temp.mkdir({ prefix }, (err, dirPath) => {
+                if (err) {
+                    reject(err);
+                    return;
+                }
+                resolve(dirPath);
+            })
+        });
+        const destinationUri = FileUri.create(path.join(parentPath, sketch.name)).toString();
+        const copiedSketchUri = await this.copy(sketch, { destinationUri });
+        return this.loadSketch(copiedSketchUri);
+    }
+
     protected async simpleLocalWalk(
         root: string,
         maxDepth: number,
@@ -258,15 +276,15 @@ export class SketchesServiceImpl implements SketchesService, BackendApplicationC
     async createNewSketch(): Promise<Sketch> {
         const monthNames = ['jan', 'feb', 'mar', 'apr', 'may', 'jun', 'jul', 'aug', 'sep', 'oct', 'nov', 'dec'];
         const today = new Date();
-        const parent = await new Promise<string>((resolve, reject) => {
-            this.temp.mkdir({ prefix: '.arduinoProIDE-unsaved' }, (err, dirPath) => {
+        const parentPath = await new Promise<string>((resolve, reject) => {
+            this.temp.mkdir({ prefix }, (err, dirPath) => {
                 if (err) {
                     reject(err);
                     return;
                 }
                 resolve(dirPath);
-            })
-        })
+            });
+        });
         const sketchBaseName = `sketch_${monthNames[today.getMonth()]}${today.getDate()}`;
         const config = await this.configService.getConfiguration();
         const user = FileUri.fsPath(config.sketchDirUri);
@@ -286,7 +304,7 @@ export class SketchesServiceImpl implements SketchesService, BackendApplicationC
             throw new Error('Cannot create a unique sketch name');
         }
 
-        const sketchDir = path.join(parent, sketchName)
+        const sketchDir = path.join(parentPath, sketchName)
         const sketchFile = path.join(sketchDir, `${sketchName}.ino`);
         await fs.mkdirp(sketchDir);
         await fs.writeFile(sketchFile, `void setup() {
@@ -346,7 +364,7 @@ void loop() {
                 temp = firstToLowerCase(temp);
             }
         }
-        return sketchPath.indexOf('.arduinoProIDE-unsaved') !== -1 && sketchPath.startsWith(temp);
+        return sketchPath.indexOf(prefix) !== -1 && sketchPath.startsWith(temp);
     }
 
     async copy(sketch: Sketch, { destinationUri }: { destinationUri: string }): Promise<string> {