From 167a73ef1bc411a713424352d66c27d2c9181c33 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Mon, 9 Nov 2020 12:36:15 +0300
Subject: [PATCH] Add sent/read checks for some service messages.

---
 Telegram/SourceFiles/history/history_service.cpp | 5 +++++
 Telegram/SourceFiles/history/history_service.h   | 4 +---
 Telegram/lib_base                                | 2 +-
 3 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/Telegram/SourceFiles/history/history_service.cpp b/Telegram/SourceFiles/history/history_service.cpp
index 25a7339223..bda13ceac4 100644
--- a/Telegram/SourceFiles/history/history_service.cpp
+++ b/Telegram/SourceFiles/history/history_service.cpp
@@ -617,6 +617,11 @@ bool HistoryService::updateDependencyItem() {
 	return HistoryItem::updateDependencyItem();
 }
 
+bool HistoryService::needCheck() const {
+	return (GetDependentData() != nullptr)
+		|| Has<HistoryServiceSelfDestruct>();
+}
+
 QString HistoryService::inDialogsText(DrawInDialog way) const {
 	return textcmdLink(1, TextUtilities::Clean(notificationText()));
 }
diff --git a/Telegram/SourceFiles/history/history_service.h b/Telegram/SourceFiles/history/history_service.h
index 200f6c8f6c..99e93be8d5 100644
--- a/Telegram/SourceFiles/history/history_service.h
+++ b/Telegram/SourceFiles/history/history_service.h
@@ -95,9 +95,7 @@ public:
 
 	Storage::SharedMediaTypesMask sharedMediaTypes() const override;
 
-	bool needCheck() const override {
-		return false;
-	}
+	bool needCheck() const override;
 	bool serviceMsg() const override {
 		return true;
 	}
diff --git a/Telegram/lib_base b/Telegram/lib_base
index 2d674eff93..4f22126e7e 160000
--- a/Telegram/lib_base
+++ b/Telegram/lib_base
@@ -1 +1 @@
-Subproject commit 2d674eff931c2540147e4f1ac29965e90ab4af22
+Subproject commit 4f22126e7e855b517857408abf2467cba163a6f2