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/**
* @file lazyeventapi.cpp
* @author Nat Goodspeed
* @date 2022-06-17
* @brief Implementation for lazyeventapi.
*
* $LicenseInfo:firstyear=2022&license=viewerlgpl$
* Copyright (c) 2022, Linden Research, Inc.
* $/LicenseInfo$
*/
// Precompiled header
#include "linden_common.h"
// associated header
#include "lazyeventapi.h"
// STL headers
// std headers
// external library headers
// other Linden headers
#include "llevents.h"
LL::LazyEventAPIBase::LazyEventAPIBase(
const std::string& name, const std::string& desc, const std::string& field)
{
// populate embedded LazyEventAPIParams instance
mParams.name = name;
mParams.desc = desc;
mParams.field = field;
// mParams.init and mOperations are populated by subsequent add() calls.
// Our raison d'etre: register as an LLEventPumps::PumpFactory
// so obtain() will notice any request for this name and call us.
// Of course, our subclass constructor must finish running (making add()
// calls) before mParams will be fully populated, but we expect that to
// happen well before the first LLEventPumps::obtain(name) call.
mRegistered = LLEventPumps::instance().registerPumpFactory(
name,
[this](const std::string& name){ return construct(name); });
}
LL::LazyEventAPIBase::~LazyEventAPIBase()
{
// If our constructor's registerPumpFactory() call was unsuccessful, that
// probably means somebody else claimed the name first. If that's the
// case, do NOT unregister their name out from under them!
// If this is a static instance being destroyed at process shutdown,
// LLEventPumps will probably have been cleaned up already.
if (mRegistered && ! LLEventPumps::wasDeleted())
{
// unregister the callback to this doomed instance
LLEventPumps::instance().unregisterPumpFactory(mParams.name);
}
}
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