From 81ea66c30e2953dee24d5b127c28daa0d9452a28 Mon Sep 17 00:00:00 2001
From: Russell Yanofsky <russ@yanofsky.org>
Date: Fri, 27 Sep 2019 07:31:44 -0400
Subject: Drop signal CClientUIInterface::LoadWallet

---
 src/interfaces/handler.cpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'src/interfaces/handler.cpp')

diff --git a/src/interfaces/handler.cpp b/src/interfaces/handler.cpp
index 92601fc4e..4e235688f 100644
--- a/src/interfaces/handler.cpp
+++ b/src/interfaces/handler.cpp
@@ -22,6 +22,15 @@ public:
     boost::signals2::scoped_connection m_connection;
 };
 
+class CleanupHandler : public Handler
+{
+public:
+    explicit CleanupHandler(std::function<void()> cleanup) : m_cleanup(std::move(cleanup)) {}
+    ~CleanupHandler() override { if (!m_cleanup) return; m_cleanup(); m_cleanup = nullptr; }
+    void disconnect() override { if (!m_cleanup) return; m_cleanup(); m_cleanup = nullptr; }
+    std::function<void()> m_cleanup;
+};
+
 } // namespace
 
 std::unique_ptr<Handler> MakeHandler(boost::signals2::connection connection)
@@ -29,4 +38,9 @@ std::unique_ptr<Handler> MakeHandler(boost::signals2::connection connection)
     return MakeUnique<HandlerImpl>(std::move(connection));
 }
 
+std::unique_ptr<Handler> MakeHandler(std::function<void()> cleanup)
+{
+    return MakeUnique<CleanupHandler>(std::move(cleanup));
+}
+
 } // namespace interfaces
-- 
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