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/**
* @file llcallbacklist.h
* @brief A simple list of callback functions to call.
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#ifndef LL_LLCALLBACKLIST_H
#define LL_LLCALLBACKLIST_H
#include "llstl.h"
class LLCallbackList
{
public:
typedef void (*callback_t)(void*);
LLCallbackList();
~LLCallbackList();
void addFunction( callback_t func, void *data = NULL ); // register a callback, which will be called as func(data)
BOOL containsFunction( callback_t func, void *data = NULL ); // true if list already contains the function/data pair
BOOL deleteFunction( callback_t func, void *data = NULL ); // removes the first instance of this function/data pair from the list, false if not found
void callFunctions(); // calls all functions
void deleteAllFunctions();
static void test();
protected:
// Use a list so that the callbacks are ordered in case that matters
typedef std::pair<callback_t,void*> callback_pair_t;
typedef std::list<callback_pair_t > callback_list_t;
callback_list_t mCallbackList;
};
extern LLCallbackList gIdleCallbacks;
#endif
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