From b553520a488e128c0eeab4e6ec116eb21dddaecd Mon Sep 17 00:00:00 2001
From: 23rd <23rd@vivaldi.net>
Date: Mon, 7 Jun 2021 08:28:53 +0300
Subject: [PATCH] Fixed track change notification in media player.

---
 .../SourceFiles/window/system_media_controls_manager.cpp   | 7 +++++++
 .../SourceFiles/window/system_media_controls_manager.h     | 1 +
 2 files changed, 8 insertions(+)

diff --git a/Telegram/SourceFiles/window/system_media_controls_manager.cpp b/Telegram/SourceFiles/window/system_media_controls_manager.cpp
index e9039bb63a..062693aed2 100644
--- a/Telegram/SourceFiles/window/system_media_controls_manager.cpp
+++ b/Telegram/SourceFiles/window/system_media_controls_manager.cpp
@@ -129,6 +129,11 @@ SystemMediaControlsManager::SystemMediaControlsManager(
 		if (!current) {
 			return;
 		}
+		if ((_lastAudioMsgId.contextId() == current.contextId())
+			&& (_lastAudioMsgId.audio() == current.audio())
+			&& (_lastAudioMsgId.type() == current.type())) {
+			return;
+		}
 		const auto document = current.audio();
 
 		const auto &[title, performer] = Ui::Text::FormatSongNameFor(document)
@@ -156,6 +161,8 @@ SystemMediaControlsManager::SystemMediaControlsManager(
 		} else {
 			_controls->clearThumbnail();
 		}
+
+		_lastAudioMsgId = current;
 	}, _lifetime);
 
 	_controls->commandRequests(
diff --git a/Telegram/SourceFiles/window/system_media_controls_manager.h b/Telegram/SourceFiles/window/system_media_controls_manager.h
index 1eb8c822e7..86a519b743 100644
--- a/Telegram/SourceFiles/window/system_media_controls_manager.h
+++ b/Telegram/SourceFiles/window/system_media_controls_manager.h
@@ -32,6 +32,7 @@ private:
 	const std::unique_ptr<base::Platform::SystemMediaControls> _controls;
 
 	std::vector<std::shared_ptr<Data::DocumentMedia>> _cachedMediaView;
+	AudioMsgId _lastAudioMsgId;
 
 	rpl::lifetime _lifetimeDownload;
 	rpl::lifetime _lifetime;