feat(core): add Electron runtime, services, and app composition

src/core/services/yomitan-settings.ts

@@ -0,0 +1,86 @@
+import { BrowserWindow, Extension, session } from 'electron';
+import { createLogger } from '../../logger';
+
+const logger = createLogger('main:yomitan-settings');
+
+export interface OpenYomitanSettingsWindowOptions {
+  yomitanExt: Extension | null;
+  getExistingWindow: () => BrowserWindow | null;
+  setWindow: (window: BrowserWindow | null) => void;
+}
+
+export function openYomitanSettingsWindow(options: OpenYomitanSettingsWindowOptions): void {
+  logger.info('openYomitanSettings called');
+
+  if (!options.yomitanExt) {
+    logger.error('Yomitan extension not loaded - yomitanExt is:', options.yomitanExt);
+    logger.error('This may be due to Manifest V3 service worker issues with Electron');
+    return;
+  }
+
+  const existingWindow = options.getExistingWindow();
+  if (existingWindow && !existingWindow.isDestroyed()) {
+    logger.info('Settings window already exists, focusing');
+    existingWindow.focus();
+    return;
+  }
+
+  logger.info('Creating new settings window for extension:', options.yomitanExt.id);
+
+  const settingsWindow = new BrowserWindow({
+    width: 1200,
+    height: 800,
+    show: false,
+    webPreferences: {
+      contextIsolation: true,
+      nodeIntegration: false,
+      session: session.defaultSession,
+    },
+  });
+  options.setWindow(settingsWindow);
+
+  const settingsUrl = `chrome-extension://${options.yomitanExt.id}/settings.html`;
+  logger.info('Loading settings URL:', settingsUrl);
+
+  let loadAttempts = 0;
+  const maxAttempts = 3;
+
+  const attemptLoad = (): void => {
+    settingsWindow
+      .loadURL(settingsUrl)
+      .then(() => {
+        logger.info('Settings URL loaded successfully');
+      })
+      .catch((err: Error) => {
+        logger.error('Failed to load settings URL:', err);
+        loadAttempts++;
+        if (loadAttempts < maxAttempts && !settingsWindow.isDestroyed()) {
+          logger.info(`Retrying in 500ms (attempt ${loadAttempts + 1}/${maxAttempts})`);
+          setTimeout(attemptLoad, 500);
+        }
+      });
+  };
+
+  attemptLoad();
+
+  settingsWindow.webContents.on('did-fail-load', (_event, errorCode, errorDescription) => {
+    logger.error('Settings page failed to load:', errorCode, errorDescription);
+  });
+
+  settingsWindow.webContents.on('did-finish-load', () => {
+    logger.info('Settings page loaded successfully');
+  });
+
+  setTimeout(() => {
+    if (!settingsWindow.isDestroyed()) {
+      const [width = 0, height = 0] = settingsWindow.getSize();
+      settingsWindow.setSize(width, height);
+      settingsWindow.webContents.invalidate();
+      settingsWindow.show();
+    }
+  }, 500);
+
+  settingsWindow.on('closed', () => {
+    options.setWindow(null);
+  });
+}