From 4552a16c4c13da66cf922797e168c98b9a374a8b Mon Sep 17 00:00:00 2001
From: Alexander Zinchuk <alx.zinchuk@gmail.com>
Date: Fri, 17 May 2024 15:45:53 +0200
Subject: [PATCH] Media: Prepare media connection on load (#4596)

---
 src/lib/gramjs/client/TelegramClient.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/lib/gramjs/client/TelegramClient.js b/src/lib/gramjs/client/TelegramClient.js
index 1ad80a964..8ae2918dd 100644
--- a/src/lib/gramjs/client/TelegramClient.js
+++ b/src/lib/gramjs/client/TelegramClient.js
@@ -244,6 +244,10 @@ class TelegramClient {
         }
         this._connectedDeferred.resolve();
         this._isSwitchingDc = false;
+
+        // Prepare file connection on current DC to speed up initial media loading
+        const mediaSender = await this._borrowExportedSender(this.session.dcId, false, undefined, 0, this.isPremium);
+        if (mediaSender) this.releaseExportedSender(mediaSender);
     }
 
     async _initSession() {