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/**
* @file llparticipantlist.h
* @brief LLParticipantList intended to update view(LLAvatarList) according to incoming messages
*
* $LicenseInfo:firstyear=2009&license=viewergpl$
*
* Copyright (c) 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.
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "llevent.h"
class LLSpeakerMgr;
class LLAvatarList;
class LLParticipantList
{
LOG_CLASS(LLParticipantList);
public:
LLParticipantList(LLSpeakerMgr* data_source, LLAvatarList* avatar_list);
~LLParticipantList();
typedef enum e_participant_sort_oder {
E_SORT_BY_NAME = 0,
} EParticipantSortOrder;
/**
* Set and sort Avatarlist by given order
*/
void setSortOrder(EParticipantSortOrder order = E_SORT_BY_NAME);
protected:
/**
* LLSpeakerMgr event handlers
*/
bool onAddItemEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
bool onRemoveItemEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
bool onClearListEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
/**
* Sorts the Avatarlist by stored order
*/
void sort();
//List of listeners implementing LLOldEvents::LLSimpleListener.
//There is no way to handle all the events in one listener as LLSpeakerMgr registers listeners in such a way
//that one listener can handle only one type of event
class BaseSpeakerListner : public LLOldEvents::LLSimpleListener
{
public:
BaseSpeakerListner(LLParticipantList& parent) : mParent(parent) {}
protected:
LLParticipantList& mParent;
};
class SpeakerAddListener : public BaseSpeakerListner
{
public:
SpeakerAddListener(LLParticipantList& parent) : BaseSpeakerListner(parent) {}
/*virtual*/ bool handleEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
};
class SpeakerRemoveListener : public BaseSpeakerListner
{
public:
SpeakerRemoveListener(LLParticipantList& parent) : BaseSpeakerListner(parent) {}
/*virtual*/ bool handleEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
};
class SpeakerClearListener : public BaseSpeakerListner
{
public:
SpeakerClearListener(LLParticipantList& parent) : BaseSpeakerListner(parent) {}
/*virtual*/ bool handleEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
};
private:
void onAvatarListDoubleClicked(LLAvatarList* list);
LLSpeakerMgr* mSpeakerMgr;
LLAvatarList* mAvatarList;
SpeakerAddListener mSpeakerAddListener;
SpeakerRemoveListener mSpeakerRemoveListener;
SpeakerClearListener mSpeakerClearListener;
EParticipantSortOrder mSortOrder;
};
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