45 lines
1 KiB
TypeScript
45 lines
1 KiB
TypeScript
// Copyright 2021 Signal Messenger, LLC
|
|
// SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
import { ipcMain as ipc, nativeTheme, BrowserWindow } from 'electron';
|
|
|
|
import { NativeThemeState } from '../types/NativeThemeNotifier.d';
|
|
|
|
function getState(): NativeThemeState {
|
|
return {
|
|
shouldUseDarkColors: nativeTheme.shouldUseDarkColors,
|
|
};
|
|
}
|
|
|
|
export class NativeThemeNotifier {
|
|
private readonly listeners = new Set<BrowserWindow>();
|
|
|
|
public initialize(): void {
|
|
nativeTheme.on('updated', () => {
|
|
this.notifyListeners();
|
|
});
|
|
|
|
ipc.on('native-theme:init', event => {
|
|
// eslint-disable-next-line no-param-reassign
|
|
event.returnValue = getState();
|
|
});
|
|
}
|
|
|
|
public addWindow(window: BrowserWindow): void {
|
|
if (this.listeners.has(window)) {
|
|
return;
|
|
}
|
|
|
|
this.listeners.add(window);
|
|
|
|
window.once('closed', () => {
|
|
this.listeners.delete(window);
|
|
});
|
|
}
|
|
|
|
private notifyListeners(): void {
|
|
for (const window of this.listeners) {
|
|
window.webContents.send('native-theme:changed', getState());
|
|
}
|
|
}
|
|
}
|