Initial commit: Electron + React touchscreen kiosk dashboard for Home Assistant

electron/preload.ts

@@ -0,0 +1,74 @@
+import { contextBridge, ipcRenderer, IpcRendererEvent } from 'electron';
+
+export interface ElectronAPI {
+  screen: {
+    wake: () => Promise<boolean>;
+    sleep: () => Promise<boolean>;
+    setIdleTimeout: (timeout: number) => Promise<boolean>;
+    activity: () => Promise<boolean>;
+  };
+  presence: {
+    start: () => Promise<boolean>;
+    stop: () => Promise<boolean>;
+    onDetected: (callback: () => void) => () => void;
+    onCleared: (callback: () => void) => () => void;
+  };
+  frigate: {
+    startStream: (rtspUrl: string) => Promise<boolean>;
+    stopStream: () => Promise<boolean>;
+  };
+  app: {
+    quit: () => void;
+    toggleFullscreen: () => void;
+    toggleDevTools: () => void;
+  };
+  config: {
+    getStoredToken: () => Promise<string | null>;
+    getJellyfinApiKey: () => Promise<string | null>;
+  };
+}
+
+const electronAPI: ElectronAPI = {
+  screen: {
+    wake: () => ipcRenderer.invoke('screen:wake'),
+    sleep: () => ipcRenderer.invoke('screen:sleep'),
+    setIdleTimeout: (timeout: number) => ipcRenderer.invoke('screen:setIdleTimeout', timeout),
+    activity: () => ipcRenderer.invoke('screen:activity'),
+  },
+  presence: {
+    start: () => ipcRenderer.invoke('presence:start'),
+    stop: () => ipcRenderer.invoke('presence:stop'),
+    onDetected: (callback: () => void) => {
+      const handler = (_event: IpcRendererEvent) => callback();
+      ipcRenderer.on('presence:detected', handler);
+      return () => ipcRenderer.removeListener('presence:detected', handler);
+    },
+    onCleared: (callback: () => void) => {
+      const handler = (_event: IpcRendererEvent) => callback();
+      ipcRenderer.on('presence:cleared', handler);
+      return () => ipcRenderer.removeListener('presence:cleared', handler);
+    },
+  },
+  frigate: {
+    startStream: (rtspUrl: string) => ipcRenderer.invoke('frigate:startStream', rtspUrl),
+    stopStream: () => ipcRenderer.invoke('frigate:stopStream'),
+  },
+  app: {
+    quit: () => ipcRenderer.invoke('app:quit'),
+    toggleFullscreen: () => ipcRenderer.invoke('app:toggleFullscreen'),
+    toggleDevTools: () => ipcRenderer.invoke('app:toggleDevTools'),
+  },
+  config: {
+    getStoredToken: () => ipcRenderer.invoke('config:getStoredToken'),
+    getJellyfinApiKey: () => ipcRenderer.invoke('config:getJellyfinApiKey'),
+  },
+};
+
+contextBridge.exposeInMainWorld('electronAPI', electronAPI);
+
+// Type declaration for renderer
+declare global {
+  interface Window {
+    electronAPI: ElectronAPI;
+  }
+}