[Init] Initial commit - NetMesh terminal manager

electron/bridges/systemNotification.cjs

@@ -0,0 +1,79 @@
+"use strict";
+
+const TITLE_MAX = 120;
+const BODY_MAX = 500;
+const CONTROL_CHARS = /[\u0000-\u0008\u000B\u000C\u000E-\u001F\u007F]/g;
+
+function sanitizeNotificationText(value, max) {
+  if (typeof value !== "string" || max <= 0) return "";
+  const cleaned = value.replace(CONTROL_CHARS, "").replace(/\s+/g, " ").trim();
+  if (cleaned.length <= max) return cleaned;
+  return `${cleaned.slice(0, Math.max(0, max - 1)).trimEnd()}…`;
+}
+
+function showSystemNotification({
+  Notification,
+  BrowserWindow,
+  sender,
+  title,
+  body,
+  sessionId,
+  defaultTitle = "Netcatty",
+}) {
+  if (typeof Notification !== "function" || typeof Notification.isSupported !== "function") {
+    return { shown: false, reason: "unavailable" };
+  }
+  if (!Notification.isSupported()) {
+    return { shown: false, reason: "unsupported" };
+  }
+
+  const safeTitle = sanitizeNotificationText(title, TITLE_MAX) || defaultTitle;
+  const safeBody = sanitizeNotificationText(body, BODY_MAX);
+  const safeSessionId = typeof sessionId === "string" ? sessionId : "";
+
+  const notification = new Notification({
+    title: safeTitle,
+    body: safeBody,
+    silent: false,
+  });
+
+  notification.on("click", () => {
+    const win = typeof BrowserWindow?.fromWebContents === "function"
+      ? BrowserWindow.fromWebContents(sender)
+      : null;
+    if (win && !win.isDestroyed()) {
+      if (typeof win.isMinimized === "function" && win.isMinimized()) win.restore();
+      win.show();
+      win.focus();
+    }
+    if (safeSessionId && sender && typeof sender.isDestroyed === "function" && !sender.isDestroyed()) {
+      sender.send("netcatty:tray:focusSession", safeSessionId);
+    }
+  });
+
+  notification.show();
+  return { shown: true };
+}
+
+function registerSystemNotificationHandlers(ipcMain, { electronModule, BrowserWindow }) {
+  ipcMain.handle("netcatty:notification:show", async (event, payload) => {
+    try {
+      return showSystemNotification({
+        Notification: electronModule?.Notification,
+        BrowserWindow,
+        sender: event?.sender,
+        title: payload?.title,
+        body: payload?.body,
+        sessionId: payload?.sessionId,
+      });
+    } catch (err) {
+      return { shown: false, reason: err?.message || "failed" };
+    }
+  });
+}
+
+module.exports = {
+  sanitizeNotificationText,
+  showSystemNotification,
+  registerSystemNotificationHandlers,
+};