Add td_api::closeWebApp.

td/generate/scheme/td_api.tl

@@ -4878,6 +4878,9 @@ sendWebAppData bot_user_id:int53 button_text:string data:string = Ok;
 //@reply_to_message_id Identifier of the replied message for the message sent by the web app; 0 if none
 openWebApp chat_id:int53 bot_user_id:int53 url:string from_bot_menu:Bool theme:themeParameters reply_to_message_id:int53 = WebAppInfo;
 
+//@description Informs TDLib that a previously opened web app was closed @launch_id Identifier of web app launch, received from openWebApp
+closeWebApp launch_id:int64 = Ok;
+
 //@description Sets the result of interaction with a web app and sends corresponding message on behalf of the user to the chat from which the query originated; for bots only
 //@web_app_query_id Identifier of the web app query
 //@result The result of the query

td/telegram/AttachMenuManager.cpp

@@ -31,6 +31,8 @@ namespace td {
 class RequestWebViewQuery final : public Td::ResultHandler {
   Promise<td_api::object_ptr<td_api::webAppInfo>> promise_;
   DialogId dialog_id_;
+  UserId bot_user_id_;
+  MessageId reply_to_message_id_;
   bool from_attach_menu_ = false;
 
  public:
@@ -38,9 +40,12 @@ class RequestWebViewQuery final : public Td::ResultHandler {
       : promise_(std::move(promise)) {
   }
 
-  void send(DialogId dialog_id, tl_object_ptr<telegram_api::InputUser> &&input_user, string &&url, bool from_bot_menu,
-            td_api::object_ptr<td_api::themeParameters> &&theme, MessageId reply_to_message_id, bool silent) {
+  void send(DialogId dialog_id, UserId bot_user_id, tl_object_ptr<telegram_api::InputUser> &&input_user, string &&url,
+            bool from_bot_menu, td_api::object_ptr<td_api::themeParameters> &&theme, MessageId reply_to_message_id,
+            bool silent) {
     dialog_id_ = dialog_id;
+    bot_user_id_ = bot_user_id;
+    reply_to_message_id_ = reply_to_message_id;
 
     int32 flags = 0;
 
@@ -89,6 +94,7 @@ class RequestWebViewQuery final : public Td::ResultHandler {
     }
 
     auto ptr = result_ptr.move_as_ok();
+    td_->attach_menu_manager_->open_web_view(ptr->query_id_, dialog_id_, bot_user_id_, reply_to_message_id_);
     promise_.set_value(td_api::make_object<td_api::webAppInfo>(ptr->query_id_, ptr->url_));
   }
 
@@ -432,8 +438,26 @@ void AttachMenuManager::request_web_view(DialogId dialog_id, UserId bot_user_id,
   bool silent = td_->messages_manager_->get_dialog_silent_send_message(dialog_id);
 
   td_->create_handler<RequestWebViewQuery>(std::move(promise))
-      ->send(dialog_id, std::move(input_user), std::move(url), from_bot_menu, std::move(theme), reply_to_message_id,
-             silent);
+      ->send(dialog_id, bot_user_id, std::move(input_user), std::move(url), from_bot_menu, std::move(theme),
+             reply_to_message_id, silent);
+}
+
+void AttachMenuManager::open_web_view(int64 query_id, DialogId dialog_id, UserId bot_user_id,
+                                      MessageId reply_to_message_id) {
+  if (query_id == 0) {
+    LOG(ERROR) << "Receive web app query identifier == 0";
+    return;
+  }
+  OpenedWebView opened_web_view;
+  opened_web_view.dialog_id_ = dialog_id;
+  opened_web_view.bot_user_id_ = bot_user_id;
+  opened_web_view.reply_to_message_id_ = reply_to_message_id;
+  opened_web_views_.emplace(query_id, std::move(opened_web_view));
+}
+
+void AttachMenuManager::close_web_view(int64 query_id, Promise<Unit> &&promise) {
+  opened_web_views_.erase(query_id);
+  promise.set_value(Unit());
 }
 
 Result<AttachMenuManager::AttachMenuBot> AttachMenuManager::get_attach_menu_bot(

td/telegram/AttachMenuManager.h

@@ -17,6 +17,7 @@
 #include "td/actor/PromiseFuture.h"
 
 #include "td/utils/common.h"
+#include "td/utils/FlatHashSet.h"
 #include "td/utils/Status.h"
 
 namespace td {
@@ -33,6 +34,10 @@ class AttachMenuManager final : public Actor {
                         bool from_bot_menu, td_api::object_ptr<td_api::themeParameters> &&theme,
                         Promise<td_api::object_ptr<td_api::webAppInfo>> &&promise);
 
+  void open_web_view(int64 query_id, DialogId dialog_id, UserId bot_user_id, MessageId reply_to_message_id);
+
+  void close_web_view(int64 query_id, Promise<Unit> &&promise);
+
   void reload_attach_menu_bots(Promise<Unit> &&promise);
 
   void get_attach_menu_bot(UserId user_id, Promise<td_api::object_ptr<td_api::attachMenuBot>> &&promise);
@@ -117,6 +122,13 @@ class AttachMenuManager final : public Actor {
   bool is_inited_ = false;
   int64 hash_ = 0;
   vector<AttachMenuBot> attach_menu_bots_;
+
+  struct OpenedWebView {
+    DialogId dialog_id_;
+    UserId bot_user_id_;
+    MessageId reply_to_message_id_;
+  };
+  FlatHashMap<int64, OpenedWebView> opened_web_views_;
 };
 
 }  // namespace td

td/telegram/ReplyMarkup.cpp

@@ -442,7 +442,7 @@ static Result<KeyboardButton> get_keyboard_button(tl_object_ptr<td_api::keyboard
     }
     case td_api::keyboardButtonTypeWebApp::ID: {
       if (!request_buttons_allowed) {
-        return Status::Error(400, "Web view can be used in private chats only");
+        return Status::Error(400, "Web app can be used in private chats only");
       }
 
       auto button_type = move_tl_object_as<td_api::keyboardButtonTypeWebApp>(button->type_);

td/telegram/Td.cpp

@@ -7369,6 +7369,12 @@ void Td::on_request(uint64 id, td_api::openWebApp &request) {
                                          request.from_bot_menu_, std::move(request.theme_), std::move(promise));
 }
 
+void Td::on_request(uint64 id, const td_api::closeWebApp &request) {
+  CHECK_IS_USER();
+  CREATE_OK_REQUEST_PROMISE();
+  attach_menu_manager_->close_web_view(request.launch_id_, std::move(promise));
+}
+
 void Td::on_request(uint64 id, td_api::answerWebAppQuery &request) {
   CHECK_IS_BOT();
   CLEAN_INPUT_STRING(request.web_app_query_id_);

td/telegram/Td.h

@@ -1161,6 +1161,8 @@ class Td final : public Actor {
 
   void on_request(uint64 id, td_api::openWebApp &request);
 
+  void on_request(uint64 id, const td_api::closeWebApp &request);
+
   void on_request(uint64 id, td_api::answerWebAppQuery &request);
 
   void on_request(uint64 id, td_api::getCallbackQueryAnswer &request);

td/telegram/cli.cpp

@@ -3448,6 +3448,10 @@ class CliClient final : public Actor {
       get_args(args, chat_id, bot_user_id, url, from_bot_menu, reply_to_message_id);
       send_request(td_api::make_object<td_api::openWebApp>(chat_id, bot_user_id, url, from_bot_menu,
                                                            get_theme_parameters(), reply_to_message_id));
+    } else if (op == "cwa") {
+      int64 launch_id;
+      get_args(args, launch_id);
+      send_request(td_api::make_object<td_api::closeWebApp>(launch_id));
     } else if (op == "sca") {
       ChatId chat_id;
       string message_thread_id;