29 lines
634 B
C++
29 lines
634 B
C++
#pragma once
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#include <memory>
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#include <vector>
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#include <functional>
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template<typename... Args>
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class CallbacksSet {
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public:
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using Func = std::function<void(Args...)>;
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private:
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std::unique_ptr<std::vector<Func>> callbacks;
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public:
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void listen(const Func& callback) {
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if (callbacks == nullptr) {
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callbacks = std::make_unique<std::vector<Func>>();
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}
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callbacks->push_back(callback);
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}
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void notify(Args&&... args) {
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if (callbacks) {
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for (auto& callback : *callbacks) {
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callback(std::forward<Args>(args)...);
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}
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}
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}
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};
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