Always show footer in webview in payments.

Telegram/Resources/langs/lang.strings

@@ -1879,9 +1879,12 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_payments_info_name" = "Name";
 "lng_payments_info_email" = "Email";
 "lng_payments_info_phone" = "Phone";
-"lng_payments_to_provider_phone_email" = "Phone and Email will be passed to {bot_name} as billing info.";
+"lng_payments_to_provider_phone_email" = "Phone and Email will be passed to {provider} as billing info.";
-"lng_payments_to_provider_email" = "Email will be passed to {bot_name} as billing info.";
+"lng_payments_to_provider_email" = "Email will be passed to {provider} as billing info.";
-"lng_payments_to_provider_phone" = "Phone will be passed to {bot_name} as billing info.";
+"lng_payments_to_provider_phone" = "Phone will be passed to {provider} as billing info.";
+"lng_payments_processed_by" = "Processed by {provider}";
+"lng_payments_warning_title" = "Warning";
+"lng_payments_warning_body" = "Neither Telegram, nor {bot1} will have access to your credit card information. Credit card details will be handled only by the payment system, {provider}.\n\nPayments will go directly to the developer of {bot2}. Telegram cannot provide any guarantees, so proceed at your own risk. In case of problems, please contact the developer of {bot3} or your bank.";
 "lng_payments_shipping_address_title" = "Shipping Information";
 "lng_payments_card_title" = "New Card";
 "lng_payments_card_number" = "Card Number";

Telegram/SourceFiles/payments/payments_checkout_process.cpp

@@ -167,7 +167,10 @@ void CheckoutProcess::handleFormUpdate(const FormUpdate &update) {
 		_submitState = SubmitState::Validated;
 		requestPassword();
 	}, [&](const VerificationNeeded &data) {
-		if (!_panel->showWebview(data.url, false)) {
+		auto bottomText = tr::lng_payments_processed_by(
+			lt_provider,
+			rpl::single(_form->invoice().provider));
+		if (!_panel->showWebview(data.url, false, std::move(bottomText))) {
 			File::OpenUrl(data.url);
 			close();
 		}

Telegram/SourceFiles/payments/payments_form.cpp

@@ -405,6 +405,7 @@ void Form::refreshPaymentMethodDetails() {
 	const auto &saved = _paymentMethod.savedCredentials;
 	const auto &entered = _paymentMethod.newCredentials;
 	_paymentMethod.ui.title = entered ? entered.title : saved.title;
+	_paymentMethod.ui.provider = _invoice.provider;
 	_paymentMethod.ui.ready = entered || saved;
 	_paymentMethod.ui.native.defaultCountry = defaultCountry();
 	_paymentMethod.ui.canSaveInformation

Telegram/SourceFiles/payments/ui/payments.style

@@ -28,6 +28,9 @@ paymentsTitle: FlatLabel(paymentsDescription) {
 paymentsSeller: FlatLabel(paymentsDescription) {
 	textFg: windowSubTextFg;
 }
+paymentsWebviewBottom: FlatLabel(defaultFlatLabel) {
+	textFg: windowSubTextFg;
+}
 paymentsPriceLabel: paymentsDescription;
 paymentsPriceAmount: defaultFlatLabel;
 paymentsFullPriceLabel: paymentsTitle;

Telegram/SourceFiles/payments/ui/payments_edit_information.cpp

@@ -189,7 +189,7 @@ not_null<RpWidget*> EditInformation::setupContent() {
 					: emailToProvider
 					? tr::lng_payments_to_provider_email
 					: tr::lng_payments_to_provider_phone)(
-						lt_bot_name,
+						lt_provider,
 						rpl::single(_invoice.provider)),
 				st::paymentsToProviderLabel),
 			st::paymentsToProviderPadding);

Telegram/SourceFiles/payments/ui/payments_panel.cpp

@@ -235,10 +235,15 @@ void Panel::chooseTips(const Invoice &invoice) {
 }
 
 void Panel::showEditPaymentMethod(const PaymentMethodDetails &method) {
+	auto bottomText = method.canSaveInformation
+		? rpl::producer<QString>()
+		: tr::lng_payments_processed_by(
+			lt_provider,
+			rpl::single(method.provider));
 	_widget->setTitle(tr::lng_payments_card_title());
 	if (method.native.supported) {
 		showEditCard(method.native, CardField::Number);
-	} else if (!showWebview(method.url, true)) {
+	} else if (!showWebview(method.url, true, std::move(bottomText))) {
 		// #TODO payments errors not supported
 	} else if (method.canSaveInformation) {
 		const auto &padding = st::paymentsPanelPadding;
@@ -255,12 +260,33 @@ void Panel::showEditPaymentMethod(const PaymentMethodDetails &method) {
 	}
 }
 
-bool Panel::showWebview(const QString &url, bool allowBack) {
+bool Panel::showWebview(
+		const QString &url,
+		bool allowBack,
+		rpl::producer<QString> bottomText) {
 	if (!_webview && !createWebview()) {
 		return false;
 	}
 	_webview->navigate(url);
 	_widget->setBackAllowed(allowBack);
+	if (bottomText) {
+		const auto &padding = st::paymentsPanelPadding;
+		const auto label = CreateChild<FlatLabel>(
+			_webviewBottom.get(),
+			std::move(bottomText),
+			st::paymentsWebviewBottom);
+		const auto height = padding.top()
+			+ label->heightNoMargins()
+			+ padding.bottom();
+		rpl::combine(
+			_webviewBottom->widthValue(),
+			label->widthValue()
+		) | rpl::start_with_next([=](int outerWidth, int width) {
+			label->move((outerWidth - width) / 2, padding.top());
+		}, label->lifetime());
+		label->show();
+		_webviewBottom->resize(_webviewBottom->width(), height);
+	}
 	return true;
 }
 

Telegram/SourceFiles/payments/ui/payments_panel.h

@@ -69,7 +69,10 @@ public:
 	void choosePaymentMethod(const PaymentMethodDetails &method);
 	void askSetPassword();
 
-	bool showWebview(const QString &url, bool allowBack);
+	bool showWebview(
+		const QString &url,
+		bool allowBack,
+		rpl::producer<QString> bottomText);
 
 	[[nodiscard]] rpl::producer<> backRequests() const;
 

Telegram/SourceFiles/payments/ui/payments_panel_data.h

@@ -162,6 +162,7 @@ struct PaymentMethodDetails {
 	QString title;
 	NativeMethodDetails native;
 	QString url;
+	QString provider;
 	bool ready = false;
 	bool canSaveInformation = false;
 };