fix: theme fallback logic (#220)

* fix: add ExtensionDidContributes event for themes (#214)

* fix: remove theme fallback logic (#188)

Author: Aaaaash

packages/core-common/src/types/extension.ts

@@ -83,3 +83,5 @@ export interface IExtensionActivateEventPayload {
 }
 
 export class ExtensionActivateEvent extends BasicEvent<IExtensionActivateEventPayload> {}
+
+export class ExtensionDidContributes extends BasicEvent<void> {}

packages/extension/src/browser/extension.service.ts

@@ -3,7 +3,7 @@ import { IWorkspaceService } from '@opensumi/ide-workspace';
 import { IDialogService, IMessageService } from '@opensumi/ide-overlay';
 import { IProgressService } from '@opensumi/ide-core-browser/lib/progress';
 import { IExtensionStorageService } from '@opensumi/ide-extension-storage';
-import { localize, OnEvent, WithEventBus, ProgressLocation } from '@opensumi/ide-core-common';
+import { localize, OnEvent, WithEventBus, ProgressLocation, ExtensionDidContributes } from '@opensumi/ide-core-common';
 import { FileSearchServicePath, IFileSearchService } from '@opensumi/ide-file-search/lib/common';
 import {
   AppConfig,
@@ -474,6 +474,7 @@ export class ExtensionServiceImpl extends WithEventBus implements ExtensionServi
       await this.activationEventService.fireEvent('onCommand', command);
       return args;
     });
+    this.eventBus.fire(new ExtensionDidContributes());
   }
 
   /**

packages/theme/src/browser/theme.contribution.ts

@@ -59,18 +59,6 @@ export class ThemeContribution implements MenuContribution, CommandContribution,
     this.registerDefaultTokenStyles();
     this.registerDefaultTokenType();
     this.registerDefaultTokenModifier();
-
-    this.initializeDefaultTheme();
-  }
-
-  private initializeDefaultTheme() {
-    const globalProvider = this.preferenceService.getProvider(PreferenceScope.User);
-    if (globalProvider) {
-      const themeId = globalProvider.get<string>(COLOR_THEME_SETTING);
-      if (!themeId || themeId === DEFAULT_THEME_ID) {
-        this.themeService.applyTheme(DEFAULT_THEME_ID);
-      }
-    }
   }
 
   private registerDefaultTokenModifier() {

packages/theme/src/browser/workbench.theme.service.ts

@@ -29,6 +29,8 @@ import {
   isLinux,
   isWindows,
   IThemeColor,
+  OnEvent,
+  ExtensionDidContributes,
 } from '@opensumi/ide-core-common';
 import { Autowired, Injectable } from '@opensumi/di';
 import { getColorRegistry } from '../common/color-registry';
@@ -99,18 +101,42 @@ export class WorkbenchThemeService extends WithEventBus implements IThemeService
     this.applyPlatformClass();
   }
 
+  @OnEvent(ExtensionDidContributes)
+  onDidExtensionContributes() {
+    const themeMap = this.getAvailableThemeInfos().reduce((pre: Map<string, string>, cur: ThemeInfo) => {
+      if (!pre.has(cur.themeId)) {
+        pre.set(cur.themeId, cur.name);
+      }
+      return pre;
+    }, new Map());
+
+    const themeId = this.preferenceService.get<string>(COLOR_THEME_SETTING);
+    if (themeId && themeId !== DEFAULT_THEME_ID && themeMap.has(themeId)) {
+      this.applyTheme(themeId);
+    } else {
+      this.applyTheme(DEFAULT_THEME_ID);
+    }
+
+    this.preferenceSettings.setEnumLabels(COLOR_THEME_SETTING, Object.fromEntries(themeMap.entries()));
+  }
+
   public registerThemes(themeContributions: ThemeContribution[], extPath: URI) {
     const disposables = new DisposableCollection();
     disposables.push({
       dispose: () => this.doSetPreferenceSchema(),
     });
+    const preferenceThemeId = this.preferenceService.get<string>(COLOR_THEME_SETTING);
 
     themeContributions.forEach((contribution) => {
       const themeExtContribution = { basePath: extPath, contribution };
       const themeId = getThemeId(contribution);
 
       this.themeContributionRegistry.set(themeId, themeExtContribution);
 
+      if (preferenceThemeId === themeId) {
+        this.applyTheme(preferenceThemeId);
+      }
+
       disposables.push({
         dispose: () => {
           this.themeContributionRegistry.delete(themeId);
@@ -149,6 +175,7 @@ export class WorkbenchThemeService extends WithEventBus implements IThemeService
     const currentThemeType = this.currentTheme.type;
 
     this.toggleBaseThemeClass(prevThemeType, currentThemeType);
+
     this.doApplyTheme(this.currentTheme);
   }
 
@@ -252,22 +279,6 @@ export class WorkbenchThemeService extends WithEventBus implements IThemeService
       },
       true,
     );
-
-    const themeMap = this.getAvailableThemeInfos().reduce((pre: Map<string, string>, cur: ThemeInfo) => {
-      if (!pre.has(cur.themeId)) {
-        pre.set(cur.themeId, cur.name);
-      }
-      return pre;
-    }, new Map());
-
-    const themeId = this.preferenceService.get<string>(COLOR_THEME_SETTING);
-    if (themeId && themeId !== DEFAULT_THEME_ID && themeMap.has(themeId)) {
-      this.applyTheme(themeId);
-    } else {
-      this.applyTheme(DEFAULT_THEME_ID);
-    }
-
-    this.preferenceSettings.setEnumLabels(COLOR_THEME_SETTING, Object.fromEntries(themeMap.entries()));
   }
 
   private get colorCustomizations(): IColorCustomizations {