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Core/Signal: Add Connection object and Disconnection

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Former-commit-id: 19cda39e3e9fbc5e26c716c413bafe41deecf7ce
This commit is contained in:
Lynix
2015-06-07 00:51:43 +02:00
parent f8682d227b
commit 32e55c2e72
2 changed files with 163 additions and 14 deletions
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94
include/Nazara/Core/Signal.inl
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@@ -7,20 +7,41 @@
#include <Nazara/Core/Debug.hpp>
template<typename... Args>
void NzSignal<Args...>::Connect(const Callback& func)
NzSignal<Args...>::NzSignal(NzSignal&& signal)
{
m_callbacks.push_back(func);
operator=(std::move(signal));
}
template<typename... Args>
void NzSignal<Args...>::Connect(Callback&& func)
void NzSignal<Args...>::Clear()
{
m_callbacks.emplace_back(std::move(func));
m_slots.clear();
}
template<typename... Args>
typename NzSignal<Args...>::Connection&& NzSignal<Args...>::Connect(const Callback& func)
{
return Connect(std::move(Callback(func)));
}
template<typename... Args>
typename NzSignal<Args...>::Connection&& NzSignal<Args...>::Connect(Callback&& func)
{
auto tempPtr = std::make_shared<Slot>(this);
tempPtr->callback = std::move(func);
m_slots.emplace_back(std::move(tempPtr));
const auto& slotPtr = m_slots.back();
slotPtr->it = m_slots.end();
--slotPtr->it;
return Connection(slotPtr);
}
template<typename... Args>
template<typename O>
void NzSignal<Args...>::Connect(O& object, void (O::*method) (Args...))
typename NzSignal<Args...>::Connection&& NzSignal<Args...>::Connect(O& object, void (O::*method) (Args...))
{
return Connect([&object, method] (Args&&... args)
{
@@ -30,7 +51,7 @@ void NzSignal<Args...>::Connect(O& object, void (O::*method) (Args...))
template<typename... Args>
template<typename O>
void NzSignal<Args...>::Connect(O* object, void (O::*method)(Args...))
typename NzSignal<Args...>::Connection&& NzSignal<Args...>::Connect(O* object, void (O::*method)(Args...))
{
return Connect([object, method] (Args&&... args)
{
@@ -41,8 +62,65 @@ void NzSignal<Args...>::Connect(O* object, void (O::*method)(Args...))
template<typename... Args>
void NzSignal<Args...>::operator()(Args&&... args)
{
for (const Callback& func : m_callbacks)
func(std::forward<Args>(args)...);
for (const SlotPtr& slot : m_slots)
slot->callback(std::forward<Args>(args)...);
}
template<typename... Args>
NzSignal<Args...>& NzSignal<Args...>::operator=(NzSignal&& signal)
{
m_slots = std::move(signal.m_slots);
// We need to update the signal pointer inside of each slot
for (SlotPtr& slot : m_slots)
slot->signal = this;
return *this;
}
template<typename... Args>
void NzSignal<Args...>::Disconnect(const SlotPtr& slot)
{
m_slots.erase(slot->it);
}
template<typename... Args>
NzSignal<Args...>::Connection::Connection(const SlotPtr& slot) :
m_ptr(slot)
{
}
template<typename... Args>
void NzSignal<Args...>::Connection::Disconnect()
{
if (SlotPtr ptr = m_ptr.lock())
ptr->signal->Disconnect(ptr);
}
template<typename... Args>
bool NzSignal<Args...>::Connection::IsConnected() const
{
return !m_ptr.expired();
}
template<typename... Args>
NzSignal<Args...>::ConnectionGuard::ConnectionGuard(const Connection& connection) :
m_connection(connection)
{
}
template<typename... Args>
NzSignal<Args...>::ConnectionGuard::ConnectionGuard(Connection&& connection) :
m_connection(std::move(connection))
{
}
template<typename... Args>
NzSignal<Args...>::ConnectionGuard::~ConnectionGuard()
{
m_connection.Disconnect();
}
#include <Nazara/Core/DebugOff.hpp>