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/**
* @file llparticipantlist.h
* @brief LLParticipantList : model of a conversation session with added speaker events handling
*
* $LicenseInfo:firstyear=2009&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_PARTICIPANTLIST_H
#define LL_PARTICIPANTLIST_H
#include "llviewerprecompiledheaders.h"
#include "llconversationmodel.h"
class LLSpeakerMgr;
class LLUICtrl;
class LLParticipantList : public LLConversationItemSession
{
LOG_CLASS(LLParticipantList);
public:
typedef boost::function<bool (const LLUUID& speaker_id)> validate_speaker_callback_t;
LLParticipantList(LLSpeakerMgr* data_source, LLFolderViewModelInterface& root_view_model);
~LLParticipantList();
/**
* Adds specified avatar ID to the existing list if it is not Agent's ID
*
* @param[in] avatar_id - Avatar UUID to be added into the list
*/
void addAvatarIDExceptAgent(const LLUUID& avatar_id);
/**
* Refreshes the participant list.
*/
void update();
/**
* Set a callback to be called before adding a speaker. Invalid speakers will not be added.
*
* If the callback is unset all speakers are considered as valid.
*
* @see onAddItemEvent()
*/
void setValidateSpeakerCallback(validate_speaker_callback_t cb);
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);
bool onModeratorUpdateEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
bool onSpeakerUpdateEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
bool onSpeakerMuteEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
/**
* 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 BaseSpeakerListener : public LLOldEvents::LLSimpleListener
{
public:
BaseSpeakerListener(LLParticipantList& parent) : mParent(parent) {}
protected:
LLParticipantList& mParent;
};
class SpeakerAddListener : public BaseSpeakerListener
{
public:
SpeakerAddListener(LLParticipantList& parent) : BaseSpeakerListener(parent) {}
/*virtual*/ bool handleEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
};
class SpeakerRemoveListener : public BaseSpeakerListener
{
public:
SpeakerRemoveListener(LLParticipantList& parent) : BaseSpeakerListener(parent) {}
/*virtual*/ bool handleEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
};
class SpeakerClearListener : public BaseSpeakerListener
{
public:
SpeakerClearListener(LLParticipantList& parent) : BaseSpeakerListener(parent) {}
/*virtual*/ bool handleEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
};
class SpeakerUpdateListener : public BaseSpeakerListener
{
public:
SpeakerUpdateListener(LLParticipantList& parent) : BaseSpeakerListener(parent) {}
/*virtual*/ bool handleEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
};
class SpeakerModeratorUpdateListener : public BaseSpeakerListener
{
public:
SpeakerModeratorUpdateListener(LLParticipantList& parent) : BaseSpeakerListener(parent) {}
/*virtual*/ bool handleEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
};
class SpeakerMuteListener : public BaseSpeakerListener
{
public:
SpeakerMuteListener(LLParticipantList& parent) : BaseSpeakerListener(parent) {}
/*virtual*/ bool handleEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
};
private:
/**
* Adjusts passed participant to work properly.
*
* Adds SpeakerMuteListener to process moderation actions.
*/
void adjustParticipant(const LLUUID& speaker_id);
LLSpeakerMgr* mSpeakerMgr;
std::set<LLUUID> mModeratorList;
std::set<LLUUID> mModeratorToRemoveList;
LLPointer<SpeakerAddListener> mSpeakerAddListener;
LLPointer<SpeakerRemoveListener> mSpeakerRemoveListener;
LLPointer<SpeakerClearListener> mSpeakerClearListener;
LLPointer<SpeakerUpdateListener> mSpeakerUpdateListener;
LLPointer<SpeakerModeratorUpdateListener> mSpeakerModeratorListener;
LLPointer<SpeakerMuteListener> mSpeakerMuteListener;
validate_speaker_callback_t mValidateSpeakerCallback;
};
#endif // LL_PARTICIPANTLIST_H
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