From 3ea151ed7440be73dccc664c0464e0dfc8e72ad0 Mon Sep 17 00:00:00 2001
From: George Hazan <george.hazan@gmail.com>
Date: Mon, 30 Sep 2024 13:40:14 +0300
Subject: fixes #4696 (MessageState: add Telegram support)

---
 protocols/Telegram/src/main.cpp   | 18 +++++++++++++++++-
 protocols/Telegram/src/server.cpp |  3 +++
 protocols/Telegram/src/stdafx.h   |  4 +++-
 3 files changed, 23 insertions(+), 2 deletions(-)

(limited to 'protocols')

diff --git a/protocols/Telegram/src/main.cpp b/protocols/Telegram/src/main.cpp
index 411a286ffc..a6b8ff67e8 100644
--- a/protocols/Telegram/src/main.cpp
+++ b/protocols/Telegram/src/main.cpp
@@ -46,10 +46,26 @@ static IconItem iconList[] =
 	{ LPGEN("Bot"), "bot", IDI_BOT },
 };
 
+static int OnModuleLoaded(WPARAM, LPARAM)
+{
+	g_plugin.hasMessageState = ServiceExists(MS_MESSAGESTATE_UPDATE);
+	return 0;
+}
+
+static int OnModulesLoaded(WPARAM, LPARAM)
+{
+	HookEvent(ME_SYSTEM_MODULELOAD, OnModuleLoaded);
+	HookEvent(ME_SYSTEM_MODULEUNLOAD, OnModuleLoaded);
+	OnModuleLoaded(0, 0);
+	return 0;
+}
+
 int CMPlugin::Load()
 {
 	registerIcon("Protocols/Telegram", iconList, "tg");
-	
+
+	HookEvent(ME_SYSTEM_MODULESLOADED, OnModulesLoaded);
+
 	m_hIcon = ExtraIcon_RegisterIcolib("tg_premium", LPGEN("Telegram Premium user"), getIconHandle(IDI_PREMIUM));
 	return 0;
 }
diff --git a/protocols/Telegram/src/server.cpp b/protocols/Telegram/src/server.cpp
index c2c8d3c1f2..b770fe42ef 100644
--- a/protocols/Telegram/src/server.cpp
+++ b/protocols/Telegram/src/server.cpp
@@ -880,6 +880,9 @@ void CTelegramProto::ProcessMarkRead(TD::updateChatReadInbox *pObj)
 			db_event_markRead(pUser->hContact, hEvent, true);
 	}
 
+	if (g_plugin.hasMessageState && pObj->unread_count_ == 0)
+		CallService(MS_MESSAGESTATE_UPDATE, GetRealContact(pUser), MRD_TYPE_READ);
+
 	if (Contact::IsGroupChat(pUser->hContact) && pObj->unread_count_ == 0)
 		delSetting(pUser->hContact, "ApparentMode");
 }
diff --git a/protocols/Telegram/src/stdafx.h b/protocols/Telegram/src/stdafx.h
index 45fbab04cf..11bfb43809 100644
--- a/protocols/Telegram/src/stdafx.h
+++ b/protocols/Telegram/src/stdafx.h
@@ -25,6 +25,7 @@
 #include <m_json.h>
 #include <m_langpack.h>
 #include <m_message.h>
+#include <m_messagestate.h>
 #include <m_netlib.h>
 #include <m_NewStory.h>
 #include <m_options.h>
@@ -51,7 +52,8 @@ struct CMPlugin : public ACCPROTOPLUGIN<CTelegramProto>
 {
 	CMPlugin();
 
-	HANDLE m_hIcon;
+	bool hasMessageState = false;
+	HANDLE m_hIcon = 0;
 
 	int Load() override;
 };
-- 
cgit v1.2.3