ATL-815: Implemented Open Recent.

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

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

@@ -134,6 +134,7 @@ import { Sketchbook } from './contributions/sketchbook';
 import { DebugFrontendApplicationContribution } from './theia/debug/debug-frontend-application-contribution';
 import { DebugFrontendApplicationContribution as TheiaDebugFrontendApplicationContribution } from '@theia/debug/lib/browser/debug-frontend-application-contribution';
 import { BoardSelection } from './contributions/board-selection';
+import { OpenRecentSketch } from './contributions/open-recent-sketch';
 
 const ElementQueries = require('css-element-queries/src/ElementQueries');
 
@@ -337,6 +338,7 @@ export default new ContainerModule((bind, unbind, isBound, rebind) => {
     Contribution.configure(bind, Debug);
     Contribution.configure(bind, Sketchbook);
     Contribution.configure(bind, BoardSelection);
+    Contribution.configure(bind, OpenRecentSketch);
 
     bind(OutputServiceImpl).toSelf().inSingletonScope().onActivation(({ container }, outputService) => {
         WebSocketConnectionProvider.createProxy(container, OutputServicePath, outputService);

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

@@ -0,0 +1,62 @@
+import { inject, injectable } from 'inversify';
+import { WorkspaceServer } from '@theia/workspace/lib/common/workspace-protocol';
+import { Disposable, DisposableCollection } from '@theia/core/lib/common/disposable';
+import { SketchContribution, CommandRegistry, MenuModelRegistry, Sketch } from './contribution';
+import { ArduinoMenus } from '../menu/arduino-menus';
+import { MainMenuManager } from '../../common/main-menu-manager';
+import { OpenSketch } from './open-sketch';
+import { NotificationCenter } from '../notification-center';
+
+@injectable()
+export class OpenRecentSketch extends SketchContribution {
+
+    @inject(CommandRegistry)
+    protected readonly commandRegistry: CommandRegistry;
+
+    @inject(MenuModelRegistry)
+    protected readonly menuRegistry: MenuModelRegistry;
+
+    @inject(MainMenuManager)
+    protected readonly mainMenuManager: MainMenuManager;
+
+    @inject(WorkspaceServer)
+    protected readonly workspaceServer: WorkspaceServer;
+
+    @inject(NotificationCenter)
+    protected readonly notificationCenter: NotificationCenter;
+
+    protected toDisposeBeforeRegister = new Map<string, DisposableCollection>();
+
+    onStart(): void {
+        const refreshMenu = (sketches: Sketch[]) => {
+            this.register(sketches);
+            this.mainMenuManager.update();
+        };
+        this.notificationCenter.onRecentSketchesChanged(({ sketches }) => refreshMenu(sketches));
+        this.sketchService.recentlyOpenedSketches().then(refreshMenu);
+    }
+
+    registerMenus(registry: MenuModelRegistry): void {
+        registry.registerSubmenu(ArduinoMenus.FILE__OPEN_RECENT_SUBMENU, 'Open Recent', { order: '2' });
+    }
+
+    protected register(sketches: Sketch[]): void {
+        let order = 0;
+        for (const sketch of sketches) {
+            const { uri } = sketch;
+            const toDispose = this.toDisposeBeforeRegister.get(uri);
+            if (toDispose) {
+                toDispose.dispose();
+            }
+            const command = { id: `arduino-open-recent--${uri}` };
+            const handler = { execute: () => this.commandRegistry.executeCommand(OpenSketch.Commands.OPEN_SKETCH.id, sketch) };
+            this.commandRegistry.registerCommand(command, handler);
+            this.menuRegistry.registerMenuAction(ArduinoMenus.FILE__OPEN_RECENT_SUBMENU, { commandId: command.id, label: sketch.name, order: String(order) });
+            this.toDisposeBeforeRegister.set(sketch.uri, new DisposableCollection(
+                Disposable.create(() => this.commandRegistry.unregisterCommand(command)),
+                Disposable.create(() => this.menuRegistry.unregisterMenuAction(command))
+            ));
+        }
+    }
+
+}

arduino-ide-extension/src/browser/contributions/save-as-sketch.ts

@@ -60,8 +60,8 @@ export class SaveAsSketch extends SketchContribution {
         }
         const workspaceUri = await this.sketchService.copy(sketch, { destinationUri });
         if (workspaceUri && openAfterMove) {
-            if (wipeOriginal) {
-                await this.fileService.delete(new URI(sketch.uri));
+            if (wipeOriginal || (openAfterMove && execOnlyIfTemp)) {
+                await this.fileService.delete(new URI(sketch.uri), { recursive: true });
             }
             this.workspaceService.open(new URI(workspaceUri), { preserveWindow: true });
         }

arduino-ide-extension/src/browser/menu/arduino-menus.ts

@@ -12,11 +12,14 @@ export namespace ArduinoMenus {
     export const FILE__SETTINGS_GROUP = [...(isOSX ? MAIN_MENU_BAR : CommonMenus.FILE), '2_settings'];
     export const FILE__QUIT_GROUP = [...CommonMenus.FILE, '3_quit'];
 
+    // -- File / Open Recent
+    export const FILE__OPEN_RECENT_SUBMENU = [...FILE__SKETCH_GROUP, '0_open_recent'];
+
     // -- File / Sketchbook
-    export const FILE__SKETCHBOOK_SUBMENU = [...FILE__SKETCH_GROUP, '0_sketchbook'];
+    export const FILE__SKETCHBOOK_SUBMENU = [...FILE__SKETCH_GROUP, '1_sketchbook'];
 
     // -- File / Examples
-    export const FILE__EXAMPLES_SUBMENU = [...FILE__SKETCH_GROUP, '1_examples'];
+    export const FILE__EXAMPLES_SUBMENU = [...FILE__SKETCH_GROUP, '2_examples'];
     export const EXAMPLES__BUILT_IN_GROUP = [...FILE__EXAMPLES_SUBMENU, '0_built_ins'];
     export const EXAMPLES__ANY_BOARD_GROUP = [...FILE__EXAMPLES_SUBMENU, '1_any_board'];
     export const EXAMPLES__CURRENT_BOARD_GROUP = [...FILE__EXAMPLES_SUBMENU, '2_current_board'];

arduino-ide-extension/src/browser/notification-center.ts

@@ -22,6 +22,7 @@ export class NotificationCenter implements NotificationServiceClient, FrontendAp
     protected readonly libraryUninstalledEmitter = new Emitter<{ item: LibraryPackage }>();
     protected readonly attachedBoardsChangedEmitter = new Emitter<AttachedBoardsChangeEvent>();
     protected readonly sketchbookChangedEmitter = new Emitter<{ created: Sketch[], removed: Sketch[] }>();
+    protected readonly recentSketchesChangedEmitter = new Emitter<{ sketches: Sketch[] }>();
 
     protected readonly toDispose = new DisposableCollection(
         this.indexUpdatedEmitter,
@@ -46,6 +47,7 @@ export class NotificationCenter implements NotificationServiceClient, FrontendAp
     readonly onLibraryUninstalled = this.libraryUninstalledEmitter.event;
     readonly onAttachedBoardsChanged = this.attachedBoardsChangedEmitter.event;
     readonly onSketchbookChanged = this.sketchbookChangedEmitter.event;
+    readonly onRecentSketchesChanged = this.recentSketchesChangedEmitter.event;
 
     @postConstruct()
     protected init(): void {
@@ -96,4 +98,8 @@ export class NotificationCenter implements NotificationServiceClient, FrontendAp
         this.sketchbookChangedEmitter.fire(event);
     }
 
+    notifyRecentSketchesChanged(event: { sketches: Sketch[] }): void {
+        this.recentSketchesChangedEmitter.fire(event);
+    }
+
 }

arduino-ide-extension/src/browser/theia/core/frontend-application.ts

@@ -3,6 +3,7 @@ import { FileService } from '@theia/filesystem/lib/browser/file-service';
 import { CommandService } from '@theia/core/lib/common/command';
 import { WorkspaceService } from '@theia/workspace/lib/browser/workspace-service';
 import { FrontendApplication as TheiaFrontendApplication } from '@theia/core/lib/browser/frontend-application';
+import { SketchesService } from '../../../common/protocol';
 import { ArduinoCommands } from '../../arduino-commands';
 
 @injectable()
@@ -17,12 +18,16 @@ export class FrontendApplication extends TheiaFrontendApplication {
     @inject(CommandService)
     protected readonly commandService: CommandService;
 
+    @inject(SketchesService)
+    protected readonly sketchesService: SketchesService;
+
     protected async initializeLayout(): Promise<void> {
         await super.initializeLayout();
         const roots = await this.workspaceService.roots;
         for (const root of roots) {
             const exists = await this.fileService.exists(root.resource);
             if (exists) {
+                this.sketchesService.markAsRecentlyOpened(root.resource.toString()); // no await, will get the notification later and rebuild the menu
                 await this.commandService.executeCommand(ArduinoCommands.OPEN_SKETCH_FILES.id, root.resource);
             }
         }

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

@@ -13,6 +13,7 @@ export interface NotificationServiceClient {
     notifyLibraryUninstalled(event: { item: LibraryPackage }): void;
     notifyAttachedBoardsChanged(event: AttachedBoardsChangeEvent): void;
     notifySketchbookChanged(event: { created: Sketch[], removed: Sketch[] }): void;
+    notifyRecentSketchesChanged(event: { sketches: Sketch[] }): void;
 }
 
 export const NotificationServicePath = '/services/notification-service';

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

@@ -48,6 +48,16 @@ export interface SketchesService {
      */
     getSketchFolder(uri: string): Promise<Sketch | undefined>;
 
+    /**
+     * Marks the sketch with the given URI as recently opened. It does nothing if the sketch is temp or not valid.
+     */
+    markAsRecentlyOpened(uri: string): Promise<void>;
+
+    /**
+     * Resolves to an array of sketches in inverse chronological order. The newest is the first.
+     */
+    recentlyOpenedSketches(): Promise<Sketch[]>;
+
 }
 
 export interface Sketch {
@@ -72,4 +82,3 @@ export namespace Sketch {
         return [mainFileUri, ...otherSketchFileUris, ...additionalFileUris].indexOf(uri.toString()) !== -1;
     }
 }
-

arduino-ide-extension/src/node/notification-service-server.ts

@@ -46,6 +46,10 @@ export class NotificationServiceServerImpl implements NotificationServiceServer
         this.clients.forEach(client => client.notifySketchbookChanged(event));
     }
 
+    notifyRecentSketchesChanged(event: { sketches: Sketch[] }): void {
+        this.clients.forEach(client => client.notifyRecentSketchesChanged(event));
+    }
+
     setClient(client: NotificationServiceClient): void {
         this.clients.push(client);
     }

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

@@ -14,6 +14,8 @@ import { ConfigService } from '../common/protocol/config-service';
 import { SketchesService, Sketch } from '../common/protocol/sketches-service';
 import { firstToLowerCase } from '../common/utils';
 import { NotificationServiceServerImpl } from './notification-service-server';
+import { EnvVariablesServer } from '@theia/core/lib/common/env-variables';
+import { notEmpty } from '@theia/core';
 
 // As currently implemented on Linux,
 // the maximum number of symbolic links that will be followed while resolving a pathname is 40
@@ -33,7 +35,10 @@ export class SketchesServiceImpl implements SketchesService {
     @inject(NotificationServiceServerImpl)
     protected readonly notificationService: NotificationServiceServerImpl;
 
-    async getSketches(uri?: string): Promise<Sketch[]> {
+    @inject(EnvVariablesServer)
+    protected readonly envVariableServer: EnvVariablesServer;
+
+    async getSketches(uri?: string): Promise<SketchWithDetails[]> {
         let fsPath: undefined | string;
         if (!uri) {
             const { sketchDirUri } = await this.configService.getConfiguration();
@@ -57,7 +62,7 @@ export class SketchesServiceImpl implements SketchesService {
     /**
      * Dev note: The keys are filesystem paths, not URI strings.
      */
-    private sketchbooks = new Map<string, Sketch[] | Deferred<Sketch[]>>();
+    private sketchbooks = new Map<string, SketchWithDetails[] | Deferred<SketchWithDetails[]>>();
     private fireSoonHandle?: NodeJS.Timer;
     private bufferedSketchbookEvents: { type: 'created' | 'removed', sketch: Sketch }[] = [];
 
@@ -88,7 +93,7 @@ export class SketchesServiceImpl implements SketchesService {
     /**
      * Assumes the `fsPath` points to an existing directory.
      */
-    private async doGetSketches(sketchbookPath: string): Promise<Sketch[]> {
+    private async doGetSketches(sketchbookPath: string): Promise<SketchWithDetails[]> {
         const resolvedSketches = this.sketchbooks.get(sketchbookPath);
         if (resolvedSketches) {
             if (Array.isArray(resolvedSketches)) {
@@ -97,9 +102,9 @@ export class SketchesServiceImpl implements SketchesService {
             return resolvedSketches.promise;
         }
 
-        const deferred = new Deferred<Sketch[]>();
+        const deferred = new Deferred<SketchWithDetails[]>();
         this.sketchbooks.set(sketchbookPath, deferred);
-        const sketches: Array<Sketch & { mtimeMs: number }> = [];
+        const sketches: Array<SketchWithDetails> = [];
         const filenames = await fs.readdir(sketchbookPath);
         for (const fileName of filenames) {
             const filePath = path.join(sketchbookPath, fileName);
@@ -201,7 +206,7 @@ export class SketchesServiceImpl implements SketchesService {
      * See: https://github.com/arduino/arduino-cli/issues/837
      * Based on: https://github.com/arduino/arduino-cli/blob/eef3705c4afcba4317ec38b803d9ffce5dd59a28/arduino/builder/sketch.go#L100-L215
      */
-    async loadSketch(uri: string): Promise<Sketch> {
+    async loadSketch(uri: string): Promise<SketchWithDetails> {
         const sketchPath = FileUri.fsPath(uri);
         const exists = await fs.exists(sketchPath);
         if (!exists) {
@@ -294,7 +299,80 @@ export class SketchesServiceImpl implements SketchesService {
 
     }
 
-    private newSketch(sketchFolderPath: string, mainFilePath: string, allFilesPaths: string[]): Sketch {
+    private get recentSketchesFsPath(): Promise<string> {
+        return this.envVariableServer.getConfigDirUri().then(uri => path.join(FileUri.fsPath(uri), 'recent-sketches.json'));
+    }
+
+    private async loadRecentSketches(fsPath: string): Promise<Record<string, number>> {
+        let data: Record<string, number> = {};
+        try {
+            const raw = await fs.readFile(fsPath, { encoding: 'utf8' });
+            data = JSON.parse(raw);
+        } catch { }
+        return data;
+    }
+
+    async markAsRecentlyOpened(uri: string): Promise<void> {
+        let sketch: Sketch | undefined = undefined;
+        try {
+            sketch = await this.loadSketch(uri);
+        } catch {
+            return;
+        }
+        if (await this.isTemp(sketch)) {
+            return;
+        }
+
+        const fsPath = await this.recentSketchesFsPath;
+        const data = await this.loadRecentSketches(fsPath);
+        const now = Date.now();
+        data[sketch.uri] = now;
+
+        let toDeleteUri: string | undefined = undefined;
+        if (Object.keys(data).length > 10) {
+            let min = Number.MAX_SAFE_INTEGER;
+            for (const uri of Object.keys(data)) {
+                if (min > data[uri]) {
+                    min = data[uri];
+                    toDeleteUri = uri;
+                }
+            }
+        }
+
+        if (toDeleteUri) {
+            delete data[toDeleteUri];
+        }
+
+        await fs.writeFile(fsPath, JSON.stringify(data, null, 2));
+        this.recentlyOpenedSketches().then(sketches => this.notificationService.notifyRecentSketchesChanged({ sketches }));
+    }
+
+    async recentlyOpenedSketches(): Promise<Sketch[]> {
+        const configDirUri = await this.envVariableServer.getConfigDirUri();
+        const fsPath = path.join(FileUri.fsPath(configDirUri), 'recent-sketches.json');
+        let data: Record<string, number> = {};
+        try {
+            const raw = await fs.readFile(fsPath, { encoding: 'utf8' });
+            data = JSON.parse(raw);
+        } catch { }
+
+        const loadSketchSafe = (uri: string) => {
+            try {
+                return this.loadSketch(uri);
+            } catch {
+                return undefined;
+            }
+        }
+
+        const sketches = await Promise.all(Object.keys(data)
+            .sort((left, right) => data[right] - data[left])
+            .map(loadSketchSafe)
+            .filter(notEmpty));
+
+        return sketches;
+    }
+
+    private async newSketch(sketchFolderPath: string, mainFilePath: string, allFilesPaths: string[]): Promise<SketchWithDetails> {
         let mainFile: string | undefined;
         const paths = new Set<string>();
         for (const p of allFilesPaths) {
@@ -326,13 +404,15 @@ export class SketchesServiceImpl implements SketchesService {
         additionalFiles.sort();
         otherSketchFiles.sort();
 
+        const { mtimeMs } = await fs.lstat(sketchFolderPath);
         return {
             uri: FileUri.create(sketchFolderPath).toString(),
             mainFileUri: FileUri.create(mainFile).toString(),
             name: path.basename(sketchFolderPath),
             additionalFileUris: additionalFiles.map(p => FileUri.create(p).toString()),
-            otherSketchFileUris: otherSketchFiles.map(p => FileUri.create(p).toString())
-        }
+            otherSketchFileUris: otherSketchFiles.map(p => FileUri.create(p).toString()),
+            mtimeMs
+        };
     }
 
     async cloneExample(uri: string): Promise<Sketch> {
@@ -538,3 +618,8 @@ class SkipDir extends Error {
         Object.setPrototypeOf(this, SkipDir.prototype);
     }
 }
+
+interface SketchWithDetails extends Sketch {
+    readonly mtimeMs: number;
+}
+