From 4ef550da9bd1e710097143a0beb98322e9750ad8 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Thu, 30 Sep 2021 14:53:18 +0400
Subject: [PATCH] Hide webview while showing a box in payments.

---
 .../payments/ui/payments_panel.cpp            | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/Telegram/SourceFiles/payments/ui/payments_panel.cpp b/Telegram/SourceFiles/payments/ui/payments_panel.cpp
index 724cbcada..26e6977f2 100644
--- a/Telegram/SourceFiles/payments/ui/payments_panel.cpp
+++ b/Telegram/SourceFiles/payments/ui/payments_panel.cpp
@@ -49,6 +49,7 @@ struct Panel::WebviewWithLifetime {
 		Webview::WindowConfig config = Webview::WindowConfig());
 
 	Webview::Window window;
+	QPointer<RpWidget> lastHidingBox;
 	rpl::lifetime lifetime;
 };
 
@@ -687,6 +688,26 @@ rpl::producer<> Panel::backRequests() const {
 }
 
 void Panel::showBox(object_ptr<BoxContent> box) {
+	if (const auto widget = _webview ? _webview->window.widget() : nullptr) {
+		const auto hideNow = !widget->isHidden();
+		if (hideNow || _webview->lastHidingBox) {
+			const auto raw = _webview->lastHidingBox = box.data();
+			box->boxClosing(
+			) | rpl::start_with_next([=] {
+				const auto widget = _webview
+					? _webview->window.widget()
+					: nullptr;
+				if (widget
+					&& widget->isHidden()
+					&& _webview->lastHidingBox == raw) {
+					widget->show();
+				}
+			}, _webview->lifetime);
+			if (hideNow) {
+				widget->hide();
+			}
+		}
+	}
 	_widget->showBox(
 		std::move(box),
 		LayerOption::KeepOther,