39 lines
786 B
C++
39 lines
786 B
C++
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#pragma once
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#include "platform/platform.hpp"
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#include <functional>
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#include <future>
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#include <utility>
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namespace platform
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{
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template <typename T>
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class SafeCallback;
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// Calls callback on main thread, all params are copied.
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// If not initialized nothing will be done.
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// *NOTE* The class is not thread-safe.
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template <typename R, typename... Args>
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class SafeCallback<R(Args...)>
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{
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public:
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SafeCallback() = default;
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template <typename Fn>
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SafeCallback(Fn const & fn) : m_fn(fn)
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{}
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operator bool() const noexcept { return static_cast<bool>(m_fn); }
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void operator()(Args... args) const
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{
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if (m_fn)
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GetPlatform().RunTask(Platform::Thread::Gui, std::bind(m_fn, std::move(args)...));
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}
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private:
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std::function<R(Args...)> m_fn;
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};
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} // namespace platform
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