From d10cc1eb77d68818371ad24c5501d4d69d77f5b1 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Wed, 9 Jun 2021 17:14:10 +0300
Subject: [PATCH] Add and use BackgroundId::is_local.

---
 td/telegram/BackgroundId.h        | 4 ++++
 td/telegram/BackgroundManager.cpp | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/td/telegram/BackgroundId.h b/td/telegram/BackgroundId.h
index eda659243..e8e816cb2 100644
--- a/td/telegram/BackgroundId.h
+++ b/td/telegram/BackgroundId.h
@@ -42,6 +42,10 @@ class BackgroundId {
     return id != 0;
   }
 
+  bool is_local() const {
+    return 0 < id && id <= 0x7FFFFFFF;
+  }
+
   template <class StorerT>
   void store(StorerT &storer) const {
     td::store(id, storer);
diff --git a/td/telegram/BackgroundManager.cpp b/td/telegram/BackgroundManager.cpp
index 7352c4fc9..d073a3c15 100644
--- a/td/telegram/BackgroundManager.cpp
+++ b/td/telegram/BackgroundManager.cpp
@@ -753,7 +753,7 @@ void BackgroundManager::remove_background(BackgroundId background_id, Promise<Un
       });
 
   if (!background->type.has_file()) {
-    if (background->is_default) {
+    if (!background->id.is_local()) {
       return td_->create_handler<UnsaveBackgroundQuery>(std::move(query_promise))
           ->send(telegram_api::make_object<telegram_api::inputWallPaperNoFile>(background_id.get()));
     } else {