From 9f962c03bf9080d67a8ea10aa53289c841fea781 Mon Sep 17 00:00:00 2001
From: Nat Goodspeed <nat@lindenlab.com>
Date: Wed, 27 May 2015 16:41:10 -0400
Subject: MAINT-5232: Extract LLInitClass, LLDestroyClass from llui/llui.h to a
 new llcommon/llinitdestroyclass.h. This mechanism is so general -- but has so
 many related moving parts -- that (a) it deserves to be in a header file all
 its own, instead of conflated with llui.h, and (b) it should be in llcommon
 where anyone can use it. It has no dependencies whatsoever on llui or
 anything viewer-specific. In this very changeset we changed one #include
 "llui.h" whose comment admits that it was only dragged in for LLDestroyClass.

---
 indra/llui/llui.h | 89 -------------------------------------------------------
 1 file changed, 89 deletions(-)

(limited to 'indra/llui/llui.h')

diff --git a/indra/llui/llui.h b/indra/llui/llui.h
index c727f75c4f..d7151dbee9 100755
--- a/indra/llui/llui.h
+++ b/indra/llui/llui.h
@@ -344,95 +344,6 @@ private:
 
 // Moved LLLocalClipRect to lllocalcliprect.h
 
-class LLCallbackRegistry
-{
-public:
-	typedef boost::signals2::signal<void()> callback_signal_t;
-	
-	void registerCallback(const callback_signal_t::slot_type& slot)
-	{
-		mCallbacks.connect(slot);
-	}
-
-	void fireCallbacks()
-	{
-		mCallbacks();
-	}
-
-private:
-	callback_signal_t mCallbacks;
-};
-
-class LLInitClassList : 
-	public LLCallbackRegistry, 
-	public LLSingleton<LLInitClassList>
-{
-	friend class LLSingleton<LLInitClassList>;
-private:
-	LLInitClassList() {}
-};
-
-class LLDestroyClassList : 
-	public LLCallbackRegistry, 
-	public LLSingleton<LLDestroyClassList>
-{
-	friend class LLSingleton<LLDestroyClassList>;
-private:
-	LLDestroyClassList() {}
-};
-
-template<typename T>
-class LLRegisterWith
-{
-public:
-	LLRegisterWith(boost::function<void ()> func)
-	{
-		T::instance().registerCallback(func);
-	}
-
-	// this avoids a MSVC bug where non-referenced static members are "optimized" away
-	// even if their constructors have side effects
-	S32 reference()
-	{
-		S32 dummy;
-		dummy = 0;
-		return dummy;
-	}
-};
-
-template<typename T>
-class LLInitClass
-{
-public:
-	LLInitClass() { sRegister.reference(); }
-
-	static LLRegisterWith<LLInitClassList> sRegister;
-private:
-
-	static void initClass()
-	{
-		LL_ERRS() << "No static initClass() method defined for " << typeid(T).name() << LL_ENDL;
-	}
-};
-
-template<typename T>
-class LLDestroyClass
-{
-public:
-	LLDestroyClass() { sRegister.reference(); }
-
-	static LLRegisterWith<LLDestroyClassList> sRegister;
-private:
-
-	static void destroyClass()
-	{
-		LL_ERRS() << "No static destroyClass() method defined for " << typeid(T).name() << LL_ENDL;
-	}
-};
-
-template <typename T> LLRegisterWith<LLInitClassList> LLInitClass<T>::sRegister(&T::initClass);
-template <typename T> LLRegisterWith<LLDestroyClassList> LLDestroyClass<T>::sRegister(&T::destroyClass);
-
 // useful parameter blocks
 struct TimeIntervalParam : public LLInitParam::ChoiceBlock<TimeIntervalParam>
 {
-- 
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