From 53b070d94574d704db66d3c597d306ffbeb243b3 Mon Sep 17 00:00:00 2001
From: "B. Petersen" <r10s@b44t.com>
Date: Mon, 1 Jul 2024 15:05:39 +0200
Subject: [PATCH] pass realtime data from swift-land to js-land

---
 deltachat-ios/Controller/WebxdcViewController.swift | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/deltachat-ios/Controller/WebxdcViewController.swift b/deltachat-ios/Controller/WebxdcViewController.swift
index b363031ce..54f3bba4d 100644
--- a/deltachat-ios/Controller/WebxdcViewController.swift
+++ b/deltachat-ios/Controller/WebxdcViewController.swift
@@ -74,6 +74,8 @@ class WebxdcViewController: WebViewViewController {
           let should_run_again = false;
           let running = false;
           let lastSerial = 0;
+          let realtimeChannel = null;
+
           window.__webxdcUpdate = async () => {
             if (running) {
                 should_run_again = true
@@ -99,6 +101,12 @@ class WebxdcViewController: WebViewViewController {
             }
           }
 
+          window.__webxdcRealtimeData = (intArray) => {
+            if (realtimeChannel) {
+              realtimeChannel.__receive(Uint8Array.from(intArray))
+            }
+          }
+
           const createRealtimeChannel = () => {
             let listener = null;
             return {
@@ -334,7 +342,9 @@ class WebxdcViewController: WebViewViewController {
         ) { [weak self] notification in
             guard let self, let userInfo = notification.userInfo, let messageId = userInfo["message_id"] as? Int else { return }
             if messageId == self.messageId, let data = userInfo["data"] as? Data {
-                // TODO: pass to js-land
+                let byteArray = [UInt8](data)
+                let commaSeparatedString = byteArray.map { String($0) }.joined(separator: ",")
+                webView.evaluateJavaScript("window.__webxdcRealtimeData([" + commaSeparatedString + "])")
             }
         }