From a9422111a28c6d18b8f0f95ce205a682ef4926a1 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Mon, 12 Apr 2021 17:46:46 +0400
Subject: [PATCH] Fix crash in leaving Recent Actions with GIFs.

---
 .../history/admin_log/history_admin_log_inner.cpp          | 3 +++
 .../history/admin_log/history_admin_log_item.cpp           | 6 +++++-
 .../SourceFiles/history/admin_log/history_admin_log_item.h | 7 ++++---
 3 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/Telegram/SourceFiles/history/admin_log/history_admin_log_inner.cpp b/Telegram/SourceFiles/history/admin_log/history_admin_log_inner.cpp
index e9ee9b9eb..bbf58c9d7 100644
--- a/Telegram/SourceFiles/history/admin_log/history_admin_log_inner.cpp
+++ b/Telegram/SourceFiles/history/admin_log/history_admin_log_inner.cpp
@@ -632,6 +632,9 @@ void InnerWidget::saveState(not_null<SectionMemento*> memento) {
 	memento->setAdminsCanEdit(std::move(_adminsCanEdit));
 	memento->setSearchQuery(std::move(_searchQuery));
 	if (!_filterChanged) {
+		for (auto &item : _items) {
+			item.clearView();
+		}
 		memento->setItems(
 			base::take(_items),
 			base::take(_eventIds),
diff --git a/Telegram/SourceFiles/history/admin_log/history_admin_log_item.cpp b/Telegram/SourceFiles/history/admin_log/history_admin_log_item.cpp
index 3f6234d64..b0b878b4b 100644
--- a/Telegram/SourceFiles/history/admin_log/history_admin_log_item.cpp
+++ b/Telegram/SourceFiles/history/admin_log/history_admin_log_item.cpp
@@ -480,7 +480,7 @@ OwnedItem &OwnedItem::operator=(OwnedItem &&other) {
 }
 
 OwnedItem::~OwnedItem() {
-	_view = nullptr;
+	clearView();
 	if (_data) {
 		_data->destroy();
 	}
@@ -491,6 +491,10 @@ void OwnedItem::refreshView(
 	_view = _data->createView(delegate);
 }
 
+void OwnedItem::clearView() {
+	_view = nullptr;
+}
+
 void GenerateItems(
 		not_null<HistoryView::ElementDelegate*> delegate,
 		not_null<History*> history,
diff --git a/Telegram/SourceFiles/history/admin_log/history_admin_log_item.h b/Telegram/SourceFiles/history/admin_log/history_admin_log_item.h
index ceaa50bc3..c7a74b8fa 100644
--- a/Telegram/SourceFiles/history/admin_log/history_admin_log_item.h
+++ b/Telegram/SourceFiles/history/admin_log/history_admin_log_item.h
@@ -37,17 +37,18 @@ public:
 	OwnedItem &operator=(OwnedItem &&other);
 	~OwnedItem();
 
-	HistoryView::Element *get() const {
+	[[nodiscard]] HistoryView::Element *get() const {
 		return _view.get();
 	}
-	HistoryView::Element *operator->() const {
+	[[nodiscard]] HistoryView::Element *operator->() const {
 		return get();
 	}
-	operator HistoryView::Element*() const {
+	[[nodiscard]] operator HistoryView::Element*() const {
 		return get();
 	}
 
 	void refreshView(not_null<HistoryView::ElementDelegate*> delegate);
+	void clearView();
 
 private:
 	HistoryItem *_data = nullptr;