feat: new icons + dispatch based on the theme

Signed-off-by: Akos Kitta <a.kitta@arduino.cc>

Author: Akos Kitta

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

@@ -1,4 +1,5 @@
 import { NativeImage } from '@theia/core/electron-shared/electron';
+import { ThemeService } from '@theia/core/lib/browser/theming';
 import {
   Disposable,
   DisposableCollection,
@@ -9,7 +10,11 @@ import { inject, injectable } from '@theia/core/shared/inversify';
 import { SketchesError } from '../../common/protocol';
 import { ConfigServiceClient } from '../config/config-service-client';
 import { ArduinoMenus } from '../menu/arduino-menus';
-import { NativeImageCache } from '../native-image-cache';
+import {
+  isThemeNativeImage,
+  NativeImageCache,
+  ThemeNativeImage,
+} from '../native-image-cache';
 import { NotificationCenter } from '../notification-center';
 import { CloudSketchContribution } from './cloud-contribution';
 import { CommandRegistry, MenuModelRegistry, Sketch } from './contribution';
@@ -27,21 +32,34 @@ export class OpenRecentSketch extends CloudSketchContribution {
   private readonly imageCache: NativeImageCache;
   @inject(ConfigServiceClient)
   private readonly configServiceClient: ConfigServiceClient;
+  @inject(ThemeService)
+  private readonly themeService: ThemeService;
 
-  private readonly toDispose = new DisposableCollection();
-  private cloudImage: NativeImage | undefined;
+  private readonly toDisposeBeforeRegister = new DisposableCollection();
+  private readonly toDispose = new DisposableCollection(
+    this.toDisposeBeforeRegister
+  );
+  private cloudImage: NativeImage | ThemeNativeImage;
 
   override onStart(): void {
-    this.notificationCenter.onRecentSketchesDidChange(({ sketches }) =>
-      this.refreshMenu(sketches)
-    );
-    this.imageCache
-      .getImage('cloud')
-      .then((image) => (this.cloudImage = image));
+    this.toDispose.pushAll([
+      this.notificationCenter.onRecentSketchesDidChange(({ sketches }) =>
+        this.refreshMenu(sketches)
+      ),
+      this.themeService.onDidColorThemeChange(() => this.update()),
+    ]);
+  }
+
+  onStop(): void {
+    this.toDispose.dispose();
   }
 
   override async onReady(): Promise<void> {
     this.update();
+    this.imageCache.getImage('cloud').then((image) => {
+      this.cloudImage = image;
+      this.update();
+    });
   }
 
   override registerMenus(registry: MenuModelRegistry): void {
@@ -65,7 +83,7 @@ export class OpenRecentSketch extends CloudSketchContribution {
 
   private register(sketches: Sketch[]): void {
     const order = 0;
-    this.toDispose.dispose();
+    this.toDisposeBeforeRegister.dispose();
     for (const sketch of sketches) {
       const { uri } = sketch;
       const command = { id: `arduino-open-recent--${uri}` };
@@ -95,7 +113,7 @@ export class OpenRecentSketch extends CloudSketchContribution {
         ArduinoMenus.FILE__OPEN_RECENT_SUBMENU,
         menuAction
       );
-      this.toDispose.pushAll([
+      this.toDisposeBeforeRegister.pushAll([
         new DisposableCollection(
           Disposable.create(() =>
             this.commandRegistry.unregisterCommand(command)
@@ -109,13 +127,23 @@ export class OpenRecentSketch extends CloudSketchContribution {
   }
 
   private assignImage(sketch: Sketch, menuAction: MenuAction): MenuAction {
-    if (this.cloudImage) {
+    const image = this.nativeImageForTheme();
+    if (image) {
       const dataDirUri = this.configServiceClient.tryGetDataDirUri();
       const isCloud = this.createFeatures.isCloud(sketch, dataDirUri);
       if (isCloud) {
-        Object.assign(menuAction, { nativeImage: this.cloudImage });
+        Object.assign(menuAction, { nativeImage: image });
       }
     }
     return menuAction;
   }
+
+  private nativeImageForTheme(): NativeImage | undefined {
+    const image = this.cloudImage;
+    if (isThemeNativeImage(image)) {
+      const themeType = this.themeService.getCurrentTheme().type;
+      return themeType === 'light' ? image.light : image.dark;
+    }
+    return image;
+  }
 }

arduino-ide-extension/src/browser/native-image-cache.ts

@@ -12,39 +12,54 @@ import fetch from 'cross-fetch';
 const nativeImageIdentifierLiterals = ['cloud'] as const;
 export type NativeImageIdentifier =
   typeof nativeImageIdentifierLiterals[number];
-export const nativeImages: Record<NativeImageIdentifier, string> = {
-  cloud: 'cloud.png',
+export const nativeImages: Record<
+  NativeImageIdentifier,
+  string | { light: string; dark: string }
+> = {
+  cloud: { light: 'cloud-light.png', dark: 'cloud-dark.png' },
 };
 
+export interface ThemeNativeImage {
+  readonly light: NativeImage;
+  readonly dark: NativeImage;
+}
+
+export function isThemeNativeImage(arg: unknown): arg is ThemeNativeImage {
+  return (
+    typeof arg === 'object' &&
+    (<ThemeNativeImage>arg).light !== undefined &&
+    (<ThemeNativeImage>arg).dark !== undefined
+  );
+}
+
+type Image = NativeImage | ThemeNativeImage;
+
 @injectable()
 export class NativeImageCache implements FrontendApplicationContribution {
-  private readonly cache = new Map<NativeImageIdentifier, NativeImage>();
-  private readonly loading = new Map<
-    NativeImageIdentifier,
-    Promise<NativeImage>
-  >();
+  private readonly cache = new Map<NativeImageIdentifier, Image>();
+  private readonly loading = new Map<NativeImageIdentifier, Promise<Image>>();
 
   onStart(): void {
     Object.keys(nativeImages).forEach((identifier: NativeImageIdentifier) =>
       this.getImage(identifier)
     );
   }
 
-  tryGetImage(identifier: NativeImageIdentifier): NativeImage | undefined {
+  tryGetImage(identifier: NativeImageIdentifier): Image | undefined {
     return this.cache.get(identifier);
   }
 
-  async getImage(identifier: NativeImageIdentifier): Promise<NativeImage> {
+  async getImage(identifier: NativeImageIdentifier): Promise<Image> {
     const image = this.cache.get(identifier);
     if (image) {
       return image;
     }
     let loading = this.loading.get(identifier);
     if (!loading) {
-      const deferred = new Deferred<NativeImage>();
+      const deferred = new Deferred<Image>();
       loading = deferred.promise;
       this.loading.set(identifier, loading);
-      this.fetchIconData(identifier).then(
+      this.fetchImage(identifier).then(
         (image) => {
           if (!this.cache.has(identifier)) {
             this.cache.set(identifier, image);
@@ -61,10 +76,20 @@ export class NativeImageCache implements FrontendApplicationContribution {
     return loading;
   }
 
-  private async fetchIconData(
-    identifier: NativeImageIdentifier
-  ): Promise<NativeImage> {
-    const path = `nativeImage/${nativeImages[identifier]}`;
+  private async fetchImage(identifier: NativeImageIdentifier): Promise<Image> {
+    const value = nativeImages[identifier];
+    if (typeof value === 'string') {
+      return this.fetchIconData(value);
+    }
+    const [light, dark] = await Promise.all([
+      this.fetchIconData(value.light),
+      this.fetchIconData(value.dark),
+    ]);
+    return { light, dark };
+  }
+
+  private async fetchIconData(filename: string): Promise<NativeImage> {
+    const path = `nativeImage/${filename}`;
     const endpoint = new Endpoint({ path }).getRestUrl().toString();
     const response = await fetch(endpoint);
     const arrayBuffer = await response.arrayBuffer();