46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
/// @file Connection.hpp
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/// @description Callback handler for event connections
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/// @author Josh O'Leary - Redacted Software
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/// @revision 3
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/// @lastedit 2024-02-21
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/// @license Unlicense - Public Domain
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#pragma once
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#include <functional>
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#include <Event.h>
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template <typename delegate, typename ... Args>
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class BasicEvent;
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/// A type that represents a handle to an active event connection.
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template <typename delegate, typename ... Args>
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class Connection {
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private:
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public:
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Connection(BasicEvent<delegate, Args...> *creator, delegate cb);
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bool Disconnect(); // Breaks the event connection, but does not destroy the instance
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void Invoke(Args... e);
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private:
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BasicEvent<delegate, Args...> * owner;
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delegate callback;
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bool active = true;
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};
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template<typename delegate, typename... Args>
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Connection<delegate, Args...>::Connection(BasicEvent<delegate, Args...> *creator, delegate cb) : owner(creator), callback(std::move(cb)) {}
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template <typename delegate, typename... Args>
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void Connection<delegate, Args...>::Invoke(Args... e) { callback(e...); }
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template <typename delegate, typename ... Args>
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bool Connection<delegate, Args...>::Disconnect() {
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if (active) {
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owner->Disconnect(this);
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active = false;
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return true;
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}
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return false;
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}
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