diff --git a/Telegram/SourceFiles/window/window_session_controller.cpp b/Telegram/SourceFiles/window/window_session_controller.cpp
index d57e83359..33be82082 100644
--- a/Telegram/SourceFiles/window/window_session_controller.cpp
+++ b/Telegram/SourceFiles/window/window_session_controller.cpp
@@ -1802,4 +1802,44 @@ SessionController::~SessionController() {
 	resetFakeUnreadWhileOpened();
 }
 
+Show::Show(not_null<SessionNavigation*> navigation)
+: Show(&navigation->parentController()->window()) {
+}
+
+Show::Show(not_null<Controller*> window)
+: _window(base::make_weak(window.get())) {
+}
+
+Show::~Show() = default;
+
+void Show::showBox(
+		object_ptr<Ui::BoxContent> content,
+		Ui::LayerOptions options) const {
+	if (const auto window = _window.get()) {
+		window->show(std::move(content), options);
+	}
+}
+
+void Show::hideLayer() const {
+	if (const auto window = _window.get()) {
+		window->show(
+			object_ptr<Ui::BoxContent>{ nullptr },
+			Ui::LayerOption::CloseOther);
+	}
+}
+
+not_null<QWidget*> Show::toastParent() const {
+	const auto window = _window.get();
+	Assert(window != nullptr);
+	return window->widget()->bodyWidget();
+}
+
+bool Show::valid() const {
+	return !_window.empty();
+}
+
+Show::operator bool() const {
+	return valid();
+}
+
 } // namespace Window
diff --git a/Telegram/SourceFiles/window/window_session_controller.h b/Telegram/SourceFiles/window/window_session_controller.h
index 2d6e62581..be44cf407 100644
--- a/Telegram/SourceFiles/window/window_session_controller.h
+++ b/Telegram/SourceFiles/window/window_session_controller.h
@@ -13,6 +13,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "base/timer.h"
 #include "dialogs/dialogs_key.h"
 #include "ui/layers/layer_widget.h"
+#include "ui/layers/show.h"
 #include "window/window_adaptive.h"
 
 class PhotoData;
@@ -568,4 +569,20 @@ private:
 
 void ActivateWindow(not_null<SessionController*> controller);
 
+class Show : public Ui::Show {
+public:
+	explicit Show(not_null<SessionNavigation*> navigation);
+	explicit Show(not_null<Controller*> window);
+	~Show();
+	void showBox(
+		object_ptr<Ui::BoxContent> content,
+		Ui::LayerOptions options = Ui::LayerOption::KeepOther) const override;
+	void hideLayer() const override;
+	[[nodiscard]] not_null<QWidget*> toastParent() const override;
+	[[nodiscard]] bool valid() const override;
+	operator bool() const override;
+private:
+	const base::weak_ptr<Controller> _window;
+};
+
 } // namespace Window
diff --git a/Telegram/lib_ui b/Telegram/lib_ui
index 214c5e8e2..d2e482dac 160000
--- a/Telegram/lib_ui
+++ b/Telegram/lib_ui
@@ -1 +1 @@
-Subproject commit 214c5e8e226172e07f6e36984a65e0757a994a32
+Subproject commit d2e482dac3e5ddbc200228d14d04d7d624c98af7