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/**
* @file llmemberlistener.h
* @brief Listener class which registers itself with its parent view
*
* <code>
* Example usage:
*
* (in header)
*
* class T {
* class LLDoTest : public LLMemberListener<LLInventoryView>
* {
* bool handleEvent(LLPointer<LLEvent> event, const LLSD& userdata);
* };
* LLDoTest mDoTest;
* }
*
* (in cpp)
*
* T::T() {
* mDoTest.registerListener(this, "T.Test");
* }
*
* T::LLDoTest::handleEvent(LLPointer<LLEvent> event, const LLSD& userdata)
* {
* T *self = mPtr;
* ...
* }
* </code>
*
* $LicenseInfo:firstyear=2006&license=viewergpl$
*
* Copyright (c) 2006-2009, 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_LLMEMBERLISTENER_H
#define LL_LLMEMBERLISTENER_H
#include "llevent.h"
template <class T>
class LLMemberListener : public LLSimpleListener
{
public:
LLMemberListener() : mPtr(NULL), mRegisteredName() { }
void registerListener(T *pointer, const std::string& register_name)
{
mPtr = pointer;
mRegisteredName = register_name;
pointer->registerEventListener(register_name, this);
}
// This is what you have to override to handle this event
virtual bool handleEvent(LLPointer<LLEvent> event, const LLSD& userdata) = 0;
protected:
T *mPtr; // The object that this listener manipulates
std::string mRegisteredName;
};
#endif // LL_LLMEMBERLISTENER_H
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