From d9306e3e30ec45657b35717008c262242898ab9c Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Mon, 26 Mar 2018 00:09:45 +0400
Subject: [PATCH] Fix parent link refresh for GIF webpage preview.

Fixes #4534.
---
 Telegram/SourceFiles/history/history_media_types.cpp | 9 +++++++++
 Telegram/SourceFiles/history/history_media_types.h   | 4 +++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/Telegram/SourceFiles/history/history_media_types.cpp b/Telegram/SourceFiles/history/history_media_types.cpp
index 83d8c8fa2..f33a7205c 100644
--- a/Telegram/SourceFiles/history/history_media_types.cpp
+++ b/Telegram/SourceFiles/history/history_media_types.cpp
@@ -2563,6 +2563,15 @@ void HistoryGif::updateStatusText() const {
 	}
 }
 
+void HistoryGif::refreshParentId(not_null<HistoryItem*> realParent) {
+	HistoryFileMedia::refreshParentId(realParent);
+
+	const auto fullId = realParent->fullId();
+	if (_openInMediaviewLink) {
+		_openInMediaviewLink->setMessageId(fullId);
+	}
+}
+
 QString HistoryGif::additionalInfoString() const {
 	if (_data->isVideoMessage()) {
 		updateStatusText();
diff --git a/Telegram/SourceFiles/history/history_media_types.h b/Telegram/SourceFiles/history/history_media_types.h
index ea967e8bf..269291f6d 100644
--- a/Telegram/SourceFiles/history/history_media_types.h
+++ b/Telegram/SourceFiles/history/history_media_types.h
@@ -389,6 +389,8 @@ public:
 		return MediaTypeGif;
 	}
 
+	void refreshParentId(not_null<HistoryItem*> realParent) override;
+
 	void draw(Painter &p, const QRect &r, TextSelection selection, TimeMs ms) const override;
 	TextState textState(QPoint point, StateRequest request) const override;
 
@@ -466,7 +468,7 @@ private:
 	bool isSeparateRoundVideo() const;
 
 	not_null<DocumentData*> _data;
-	ClickHandlerPtr _openInMediaviewLink;
+	FileClickHandlerPtr _openInMediaviewLink;
 	int _thumbw = 1;
 	int _thumbh = 1;
 	Text _caption;