60a7e79e1a
clang didn't like static members in anonymous structures, gave them names WriteEvent template wouldn't resolve for temporary values without const decl in clang added a few missing headers added -fno-operator-names for xbyak compilation under gcc/clang
78 lines
1.6 KiB
C++
78 lines
1.6 KiB
C++
/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2013 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#ifndef ALLOY_DELEGATE_H_
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#define ALLOY_DELEGATE_H_
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#include <functional>
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#include <vector>
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#include <alloy/core.h>
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#include <alloy/mutex.h>
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namespace alloy {
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// TODO(benvanik): go lockfree, and don't hold the lock while emitting.
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template <typename T>
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class Delegate {
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public:
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Delegate() {
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lock_ = AllocMutex();
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}
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~Delegate() {
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FreeMutex(lock_);
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}
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typedef std::function<void(T&)> listener_t;
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void AddListener(listener_t const& listener) {
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LockMutex(lock_);
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listeners_.push_back(listener);
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UnlockMutex(lock_);
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}
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void RemoveListener(listener_t const& listener) {
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LockMutex(lock_);
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for (auto it = listeners_.begin(); it != listeners_.end(); ++it) {
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if (it == listener) {
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listeners_.erase(it);
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break;
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}
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}
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UnlockMutex(lock_);
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}
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void RemoveAllListeners() {
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LockMutex(lock_);
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listeners_.clear();
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UnlockMutex(lock_);
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}
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void operator()(T& e) const {
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LockMutex(lock_);
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for (auto &listener : listeners_) {
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listener(e);
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}
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UnlockMutex(lock_);
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}
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private:
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alloy::Mutex* lock_;
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std::vector<listener_t> listeners_;
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};
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} // namespace alloy
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#endif // ALLOY_DELEGATE_H_
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