electron - avoid more deprecated API (themes)

src/vs/code/electron-main/window.ts

@@ -8,7 +8,7 @@ import * as objects from 'vs/base/common/objects';
 import * as nls from 'vs/nls';
 import { Event as CommonEvent, Emitter } from 'vs/base/common/event';
 import { URI } from 'vs/base/common/uri';
-import { screen, BrowserWindow, systemPreferences, app, TouchBar, nativeImage, Rectangle, Display, TouchBarSegmentedControl, NativeImage, BrowserWindowConstructorOptions, SegmentedControlSegment } from 'electron';
+import { screen, BrowserWindow, systemPreferences, app, TouchBar, nativeImage, Rectangle, Display, TouchBarSegmentedControl, NativeImage, BrowserWindowConstructorOptions, SegmentedControlSegment, nativeTheme } from 'electron';
 import { IEnvironmentService, ParsedArgs } from 'vs/platform/environment/common/environment';
 import { ILogService } from 'vs/platform/log/common/log';
 import { IConfigurationService } from 'vs/platform/configuration/common/configuration';
@@ -648,7 +648,7 @@ export class CodeWindow extends Disposable implements ICodeWindow {
 		if (windowConfig?.autoDetectHighContrast === false) {
 			autoDetectHighContrast = false;
 		}
-		windowConfiguration.highContrast = isWindows && autoDetectHighContrast && systemPreferences.isInvertedColorScheme();
+		windowConfiguration.highContrast = isWindows && autoDetectHighContrast && nativeTheme.shouldUseInvertedColorScheme;
 		windowConfiguration.accessibilitySupport = app.accessibilitySupportEnabled;
 
 		// Title style related

src/vs/platform/theme/electron-main/themeMainService.ts

@@ -4,7 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 import { isWindows, isMacintosh } from 'vs/base/common/platform';
-import { systemPreferences, ipcMain as ipc } from 'electron';
+import { systemPreferences, ipcMain as ipc, nativeTheme } from 'electron';
 import { IStateService } from 'vs/platform/state/node/state';
 import { createDecorator } from 'vs/platform/instantiation/common/instantiation';
 
@@ -42,14 +42,14 @@ export class ThemeMainService implements IThemeMainService {
 	}
 
 	getBackgroundColor(): string {
-		if (isWindows && systemPreferences.isInvertedColorScheme()) {
+		if (isWindows && nativeTheme.shouldUseInvertedColorScheme) {
 			return DEFAULT_BG_HC_BLACK;
 		}
 
 		let background = this.stateService.getItem<string | null>(THEME_BG_STORAGE_KEY, null);
 		if (!background) {
 			let baseTheme: string;
-			if (isWindows && systemPreferences.isInvertedColorScheme()) {
+			if (isWindows && nativeTheme.shouldUseInvertedColorScheme) {
 				baseTheme = 'hc-black';
 			} else {
 				baseTheme = this.stateService.getItem<string>(THEME_STORAGE_KEY, 'vs-dark').split(' ')[0];

src/vs/platform/windows/electron-main/windowsMainService.ts

@@ -13,7 +13,7 @@ import { IEmptyWindowBackupInfo } from 'vs/platform/backup/node/backup';
 import { IEnvironmentService, ParsedArgs } from 'vs/platform/environment/common/environment';
 import { IStateService } from 'vs/platform/state/node/state';
 import { CodeWindow, defaultWindowState } from 'vs/code/electron-main/window';
-import { ipcMain as ipc, screen, BrowserWindow, systemPreferences, MessageBoxOptions, Display, app } from 'electron';
+import { ipcMain as ipc, screen, BrowserWindow, MessageBoxOptions, Display, app, nativeTheme } from 'electron';
 import { parseLineAndColumnAware } from 'vs/code/node/paths';
 import { ILifecycleMainService, UnloadReason, LifecycleMainService, LifecycleMainPhase } from 'vs/platform/lifecycle/electron-main/lifecycleMainService';
 import { IConfigurationService } from 'vs/platform/configuration/common/configuration';
@@ -226,16 +226,13 @@ export class WindowsMainService extends Disposable implements IWindowsMainServic
 
 		// React to HC color scheme changes (Windows)
 		if (isWindows) {
-			const onHighContrastChange = () => {
-				if (systemPreferences.isInvertedColorScheme() || systemPreferences.isHighContrastColorScheme()) {
+			nativeTheme.on('updated', () => {
+				if (nativeTheme.shouldUseInvertedColorScheme || nativeTheme.shouldUseHighContrastColors) {
 					this.sendToAll('vscode:enterHighContrast');
 				} else {
 					this.sendToAll('vscode:leaveHighContrast');
 				}
-			};
-
-			systemPreferences.on('inverted-color-scheme-changed', () => onHighContrastChange());
-			systemPreferences.on('high-contrast-color-scheme-changed', () => onHighContrastChange());
+			});
 		}
 
 		// When a window looses focus, save all windows state. This allows to