From 20bdbf531a31b40a51e1534b576ee522f33b4543 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Fri, 25 Mar 2022 19:35:07 +0400
Subject: [PATCH] Add proof-of-concept support for keyboardButtonWebView.

---
 Telegram/SourceFiles/facades.cpp                         | 9 ++++++++-
 .../SourceFiles/window/window_session_controller.cpp     | 8 +++++---
 Telegram/SourceFiles/window/window_session_controller.h  | 7 ++++---
 3 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/Telegram/SourceFiles/facades.cpp b/Telegram/SourceFiles/facades.cpp
index 8de3ae5f92..d60d6cca96 100644
--- a/Telegram/SourceFiles/facades.cpp
+++ b/Telegram/SourceFiles/facades.cpp
@@ -222,7 +222,14 @@ void activateBotCommand(
 	} break;
 
 	case ButtonType::WebView: {
-
+		if (const auto m = CheckMainWidget(&msg->history()->session())) {
+			if (const auto bot = msg->getMessageBot()) {
+				m->controller()->requestAttachWebview(
+					bot,
+					bot,
+					button->data);
+			}
+		}
 	} break;
 	}
 }
diff --git a/Telegram/SourceFiles/window/window_session_controller.cpp b/Telegram/SourceFiles/window/window_session_controller.cpp
index 39bfd1cad3..d9f277698e 100644
--- a/Telegram/SourceFiles/window/window_session_controller.cpp
+++ b/Telegram/SourceFiles/window/window_session_controller.cpp
@@ -429,12 +429,14 @@ void SessionNavigation::resolveAttachWebview(
 
 void SessionNavigation::requestAttachWebview(
 		not_null<PeerData*> peer,
-		not_null<UserData*> bot) {
+		not_null<UserData*> bot,
+		const QByteArray &url) {
+	using Flag = MTPmessages_RequestWebView::Flag;
 	_api.request(MTPmessages_RequestWebView(
-		MTP_flags(0),
+		MTP_flags(url.isEmpty() ? Flag(0) : Flag::f_url),
 		peer->input,
 		bot->inputUser,
-		MTPstring(), // start_param
+		MTP_bytes(url),
 		MTPDataJSON() // theme_params
 	)).done([=](const MTPWebViewResult &result) {
 		result.match([&](const MTPDwebViewResultUrl &data) {
diff --git a/Telegram/SourceFiles/window/window_session_controller.h b/Telegram/SourceFiles/window/window_session_controller.h
index 8c3cf42417..0f31a28196 100644
--- a/Telegram/SourceFiles/window/window_session_controller.h
+++ b/Telegram/SourceFiles/window/window_session_controller.h
@@ -208,6 +208,10 @@ public:
 	void resolveAttachWebview(
 		not_null<PeerData*> peer,
 		const QString &botUsername);
+	void requestAttachWebview(
+		not_null<PeerData*> peer,
+		not_null<UserData*> bot,
+		const QByteArray &url = QByteArray());
 	[[nodiscard]] auto inlineResultConfirmed() const
 		-> rpl::producer<InlineBots::ResultSelected>;
 
@@ -278,9 +282,6 @@ private:
 		not_null<PeerData*> peer,
 		const PeerByLinkInfo &info);
 
-	void requestAttachWebview(
-		not_null<PeerData*> peer,
-		not_null<UserData*> bot);
 	void requestAddToMenu(not_null<UserData*> bot, Fn<void()> callback);
 	void showAttachWebview(
 		not_null<PeerData*> peer,