54 lines
1.8 KiB
C++
54 lines
1.8 KiB
C++
/**
|
|
* @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);
|
|
}
|
|
}
|