SH-270 FIXED As a SL user, I want my speaker order settings to persist between sessions

SH-271 FIXED Add #ifdefs to llparticipantlist.h

Changed speaker order to store its speaker ordering using settings.xml.
Did some superficial code cleanup.

3 files changed, 278 insertions, 258 deletions

diff --git a/indra/newview/llcallfloater.cpp b/indra/newview/llcallfloater.cpp
index c78f73c3b8..2dfc30675e 100644
--- a/indra/newview/llcallfloater.cpp
+++ b/indra/newview/llcallfloater.cpp
@@ -44,6 +44,7 @@
 #include "llspeakers.h"
 #include "lltextutil.h"
 #include "lltransientfloatermgr.h"
+#include "llviewercontrol.h"
 #include "llviewerwindow.h"
 #include "llvoicechannel.h"
 #include "llviewerparcelmgr.h"
@@ -327,8 +328,9 @@ void LLCallFloater::refreshParticipantList()
 	{
 		mParticipants = new LLParticipantList(mSpeakerManager, mAvatarList, true, mVoiceType != VC_GROUP_CHAT && mVoiceType != VC_AD_HOC_CHAT, false);
 		mParticipants->setValidateSpeakerCallback(boost::bind(&LLCallFloater::validateSpeaker, this, _1));
-		mParticipants->setSortOrder(LLParticipantList::E_SORT_BY_RECENT_SPEAKERS);
-
+		const U32 speaker_sort_order = gSavedSettings.getU32("SpeakerParticipantDefaultOrder");
+		mParticipants->setSortOrder(LLParticipantList::EParticipantSortOrder(speaker_sort_order));
+		
 		if (LLLocalSpeakerMgr::getInstance() == mSpeakerManager)
 		{
 			mAvatarList->setNoItemsCommentText(getString("no_one_near"));
diff --git a/indra/newview/llparticipantlist.cpp b/indra/newview/llparticipantlist.cpp
index c8aa9ac91e..1c68f8a43c 100644
--- a/indra/newview/llparticipantlist.cpp
+++ b/indra/newview/llparticipantlist.cpp
@@ -197,17 +197,20 @@ private:
 	uuid_set_t mAvalineCallers;
 };
 
-LLParticipantList::LLParticipantList(LLSpeakerMgr* data_source, LLAvatarList* avatar_list,  bool use_context_menu/* = true*/,
-		bool exclude_agent /*= true*/, bool can_toggle_icons /*= true*/):
+LLParticipantList::LLParticipantList(LLSpeakerMgr* data_source, 
+									 LLAvatarList* avatar_list,
+									 bool use_context_menu/* = true*/,
+									 bool exclude_agent /*= true*/, 
+									 bool can_toggle_icons /*= true*/) :
 	mSpeakerMgr(data_source),
 	mAvatarList(avatar_list),
-	mSortOrder(E_SORT_BY_NAME)
-,	mParticipantListMenu(NULL)
-,	mExcludeAgent(exclude_agent)
-,	mValidateSpeakerCallback(NULL)
+	mParticipantListMenu(NULL),
+	mExcludeAgent(exclude_agent),
+	mValidateSpeakerCallback(NULL)
 {
+
 	mAvalineUpdater = new LLAvalineUpdater(boost::bind(&LLParticipantList::onAvalineCallerFound, this, _1),
-		boost::bind(&LLParticipantList::onAvalineCallerRemoved, this, _1));
+										   boost::bind(&LLParticipantList::onAvalineCallerRemoved, this, _1));
 
 	mSpeakerAddListener = new SpeakerAddListener(*this);
 	mSpeakerRemoveListener = new SpeakerRemoveListener(*this);
@@ -378,15 +381,15 @@ void LLParticipantList::onAvatarListRefreshed(LLUICtrl* ctrl, const LLSD& param)
 }
 
 /*
-Seems this method is not necessary after onAvalineCallerRemoved was implemented;
+  Seems this method is not necessary after onAvalineCallerRemoved was implemented;
 
-It does nothing because list item is always created with correct class type for Avaline caller.
-For now Avaline Caller is removed from the LLSpeakerMgr List when it is removed from the Voice Client
-session.
-This happens in two cases: if Avaline Caller ends call itself or if Resident ends group call.
+  It does nothing because list item is always created with correct class type for Avaline caller.
+  For now Avaline Caller is removed from the LLSpeakerMgr List when it is removed from the Voice Client
+  session.
+  This happens in two cases: if Avaline Caller ends call itself or if Resident ends group call.
 
-Probably Avaline caller should be removed from the LLSpeakerMgr list ONLY if it ends call itself.
-Asked in EXT-4301.
+  Probably Avaline caller should be removed from the LLSpeakerMgr list ONLY if it ends call itself.
+  Asked in EXT-4301.
 */
 void LLParticipantList::onAvalineCallerFound(const LLUUID& participant_id)
 {
@@ -428,16 +431,19 @@ void LLParticipantList::onAvalineCallerRemoved(const LLUUID& participant_id)
 
 void LLParticipantList::setSortOrder(EParticipantSortOrder order)
 {
-	if ( mSortOrder != order )
+	const U32 speaker_sort_order = gSavedSettings.getU32("SpeakerParticipantDefaultOrder");
+
+	if ( speaker_sort_order != order )
 	{
-		mSortOrder = order;
+		gSavedSettings.setU32("SpeakerParticipantDefaultOrder", (U32)order);
 		sort();
 	}
 }
 
-LLParticipantList::EParticipantSortOrder LLParticipantList::getSortOrder()
+const LLParticipantList::EParticipantSortOrder LLParticipantList::getSortOrder() const
 {
-	return mSortOrder;
+	const U32 speaker_sort_order = gSavedSettings.getU32("SpeakerParticipantDefaultOrder");
+	return EParticipantSortOrder(speaker_sort_order);
 }
 
 void LLParticipantList::setValidateSpeakerCallback(validate_speaker_callback_t cb)
@@ -536,28 +542,29 @@ void LLParticipantList::sort()
 	if ( !mAvatarList )
 		return;
 
-	switch ( mSortOrder ) {
-	case E_SORT_BY_NAME :
-		// if mExcludeAgent == true , then no need to keep agent on top of the list
-		if(mExcludeAgent)
-		{
-			mAvatarList->sortByName();
-		}
-		else
-		{
-			mAvatarList->setComparator(&AGENT_ON_TOP_NAME_COMPARATOR);
+	switch ( getSortOrder() ) 
+	{
+		case E_SORT_BY_NAME :
+			// if mExcludeAgent == true , then no need to keep agent on top of the list
+			if(mExcludeAgent)
+			{
+				mAvatarList->sortByName();
+			}
+			else
+			{
+				mAvatarList->setComparator(&AGENT_ON_TOP_NAME_COMPARATOR);
+				mAvatarList->sort();
+			}
+			break;
+		case E_SORT_BY_RECENT_SPEAKERS:
+			if (mSortByRecentSpeakers.isNull())
+				mSortByRecentSpeakers = new LLAvatarItemRecentSpeakerComparator(*this);
+			mAvatarList->setComparator(mSortByRecentSpeakers.get());
 			mAvatarList->sort();
-		}
-		break;
-	case E_SORT_BY_RECENT_SPEAKERS:
-		if (mSortByRecentSpeakers.isNull())
-			mSortByRecentSpeakers = new LLAvatarItemRecentSpeakerComparator(*this);
-		mAvatarList->setComparator(mSortByRecentSpeakers.get());
-		mAvatarList->sort();
-		break;
-	default :
-		llwarns << "Unrecognized sort order for " << mAvatarList->getName() << llendl;
-		return;
+			break;
+		default :
+			llwarns << "Unrecognized sort order for " << mAvatarList->getName() << llendl;
+			return;
 	}
 }
 
@@ -630,7 +637,7 @@ bool LLParticipantList::SpeakerClearListener::handleEvent(LLPointer<LLOldEvents:
 //
 bool LLParticipantList::SpeakerModeratorUpdateListener::handleEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata)
 {
-		return mParent.onModeratorUpdateEvent(event, userdata);
+	return mParent.onModeratorUpdateEvent(event, userdata);
 }
 
 bool LLParticipantList::SpeakerMuteListener::handleEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata)
@@ -852,7 +859,7 @@ void LLParticipantList::LLParticipantListMenu::confirmMuteAllCallback(const LLSD
 	const LLUUID& session_id = payload["session_id"];
 
 	LLIMSpeakerMgr * speaker_manager = dynamic_cast<LLIMSpeakerMgr*> (
-			LLIMModel::getInstance()->getSpeakerManager(session_id));
+		LLIMModel::getInstance()->getSpeakerManager(session_id));
 	if (speaker_manager)
 	{
 		speaker_manager->moderateVoiceAllParticipants(false);
@@ -910,9 +917,9 @@ bool LLParticipantList::LLParticipantListMenu::enableContextMenuItem(const LLSD&
 }
 
 /*
-Processed menu items with such parameters:
-	can_allow_text_chat
-	can_moderate_voice
+  Processed menu items with such parameters:
+  can_allow_text_chat
+  can_moderate_voice
 */
 bool LLParticipantList::LLParticipantListMenu::enableModerateContextMenuItem(const LLSD& userdata)
 {
@@ -963,11 +970,11 @@ bool LLParticipantList::LLParticipantListMenu::checkContextMenuItem(const LLSD&
 	}
 	else if(item == "is_sorted_by_name")
 	{
-		return E_SORT_BY_NAME == mParent.mSortOrder;
+		return E_SORT_BY_NAME == mParent.getSortOrder();
 	}
 	else if(item == "is_sorted_by_recent_speakers")
 	{
-		return E_SORT_BY_RECENT_SPEAKERS == mParent.mSortOrder;
+		return E_SORT_BY_RECENT_SPEAKERS == mParent.getSortOrder();
 	}
 
 	return false;
diff --git a/indra/newview/llparticipantlist.h b/indra/newview/llparticipantlist.h
index 722a749d19..e0b3d42c25 100644
--- a/indra/newview/llparticipantlist.h
+++ b/indra/newview/llparticipantlist.h
@@ -24,6 +24,9 @@
  * $/LicenseInfo$
  */
 
+#ifndef LL_PARTICIPANTLIST_H
+#define LL_PARTICIPANTLIST_H
+
 #include "llviewerprecompiledheaders.h"
 #include "llevent.h"
 #include "llavatarlist.h" // for LLAvatarItemRecentSpeakerComparator
@@ -37,239 +40,247 @@ class LLAvalineUpdater;
 class LLParticipantList
 {
 	LOG_CLASS(LLParticipantList);
+public:
+
+	typedef boost::function<bool (const LLUUID& speaker_id)> validate_speaker_callback_t;
+
+	LLParticipantList(LLSpeakerMgr* data_source, 
+					  LLAvatarList* avatar_list, 
+					  bool use_context_menu = true, 
+					  bool exclude_agent = true, 
+					  bool can_toggle_icons = true);
+	~LLParticipantList();
+	void setSpeakingIndicatorsVisible(BOOL visible);
+
+	enum EParticipantSortOrder
+	{
+		E_SORT_BY_NAME = 0,
+		E_SORT_BY_RECENT_SPEAKERS = 1,
+	};
+
+	/**
+	 * 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);
+
+	/**
+	 * Set and sort Avatarlist by given order
+	 */
+	void setSortOrder(EParticipantSortOrder order = E_SORT_BY_NAME);
+	const EParticipantSortOrder getSortOrder() const;
+
+	/**
+	 * Refreshes the participant list if it's in sort by recent speaker order.
+	 */
+	void updateRecentSpeakersOrder();
+
+	/**
+	 * 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 onSpeakerMuteEvent(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 BaseSpeakerListener : public LLOldEvents::LLSimpleListener
+	{
 	public:
+		BaseSpeakerListener(LLParticipantList& parent) : mParent(parent) {}
+	protected:
+		LLParticipantList& mParent;
+	};
 
-		typedef boost::function<bool (const LLUUID& speaker_id)> validate_speaker_callback_t;
-
-		LLParticipantList(LLSpeakerMgr* data_source, LLAvatarList* avatar_list, bool use_context_menu = true, bool exclude_agent = true, bool can_toggle_icons = true);
-		~LLParticipantList();
-		void setSpeakingIndicatorsVisible(BOOL visible);
-
-		typedef enum e_participant_sort_oder {
-			E_SORT_BY_NAME = 0,
-			E_SORT_BY_RECENT_SPEAKERS = 1,
-		} EParticipantSortOrder;
+	class SpeakerAddListener : public BaseSpeakerListener
+	{
+	public:
+		SpeakerAddListener(LLParticipantList& parent) : BaseSpeakerListener(parent) {}
+		/*virtual*/ bool handleEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
+	};
 
-		/**
-		 * 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);
+	class SpeakerRemoveListener : public BaseSpeakerListener
+	{
+	public:
+		SpeakerRemoveListener(LLParticipantList& parent) : BaseSpeakerListener(parent) {}
+		/*virtual*/ bool handleEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
+	};
 
-		/**
-		 * Set and sort Avatarlist by given order
-		 */
-		void setSortOrder(EParticipantSortOrder order = E_SORT_BY_NAME);
-		EParticipantSortOrder getSortOrder();
+	class SpeakerClearListener : public BaseSpeakerListener
+	{
+	public:
+		SpeakerClearListener(LLParticipantList& parent) : BaseSpeakerListener(parent) {}
+		/*virtual*/ bool handleEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
+	};
 
-		/**
-		 * Refreshes the participant list if it's in sort by recent speaker order.
-		 */
-		void updateRecentSpeakersOrder();
+	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) {}
 
-		/**
-		 * 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);
+		/*virtual*/ bool handleEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
+	};
 
+	/**
+	 * Menu used in the participant list.
+	 */
+	class LLParticipantListMenu : public LLListContextMenu
+	{
+	public:
+		LLParticipantListMenu(LLParticipantList& parent):mParent(parent){};
+		/*virtual*/ LLContextMenu* createMenu();
+		/*virtual*/ void show(LLView* spawning_view, const uuid_vec_t& uuids, S32 x, S32 y);
 	protected:
+		LLParticipantList& mParent;
+	private:
+		bool enableContextMenuItem(const LLSD& userdata);
+		bool enableModerateContextMenuItem(const LLSD& userdata);
+		bool checkContextMenuItem(const LLSD& userdata);
+
+		void sortParticipantList(const LLSD& userdata);
+		void toggleAllowTextChat(const LLSD& userdata);
+		void toggleMute(const LLSD& userdata, U32 flags);
+		void toggleMuteText(const LLSD& userdata);
+		void toggleMuteVoice(const LLSD& userdata);
+		
 		/**
-		 * LLSpeakerMgr event handlers
+		 * Return true if Agent is group moderator(and moderator of group call).
 		 */
-		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 onSpeakerMuteEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
+		bool isGroupModerator();
 
+		// Voice moderation support
 		/**
-		 * Sorts the Avatarlist by stored order
+		 * Check whether specified by argument avatar is muted for group chat or not.
 		 */
-		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);
-		};
-
-		class SpeakerModeratorUpdateListener : public BaseSpeakerListner
-		{
-		public:
-			SpeakerModeratorUpdateListener(LLParticipantList& parent) : BaseSpeakerListner(parent) {}
-			/*virtual*/ bool handleEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
-		};
-		
-		class SpeakerMuteListener : public BaseSpeakerListner
-		{
-		public:
-			SpeakerMuteListener(LLParticipantList& parent) : BaseSpeakerListner(parent) {}
-
-			/*virtual*/ bool handleEvent(LLPointer<LLOldEvents::LLEvent> event, const LLSD& userdata);
-		};
+		bool isMuted(const LLUUID& avatar_id);
 
 		/**
-		 * Menu used in the participant list.
+		 * Processes Voice moderation menu items.
+		 *
+		 * It calls either moderateVoiceParticipant() or moderateVoiceParticipant() depend on
+		 * passed parameter.
+		 *
+		 * @param userdata can be "selected" or "others".
+		 *
+		 * @see moderateVoiceParticipant()
+		 * @see moderateVoiceAllParticipants()
 		 */
-		class LLParticipantListMenu : public LLListContextMenu
-		{
-		public:
-			LLParticipantListMenu(LLParticipantList& parent):mParent(parent){};
-			/*virtual*/ LLContextMenu* createMenu();
-			/*virtual*/ void show(LLView* spawning_view, const uuid_vec_t& uuids, S32 x, S32 y);
-		protected:
-			LLParticipantList& mParent;
-		private:
-			bool enableContextMenuItem(const LLSD& userdata);
-			bool enableModerateContextMenuItem(const LLSD& userdata);
-			bool checkContextMenuItem(const LLSD& userdata);
-
-			void sortParticipantList(const LLSD& userdata);
-			void toggleAllowTextChat(const LLSD& userdata);
-			void toggleMute(const LLSD& userdata, U32 flags);
-			void toggleMuteText(const LLSD& userdata);
-			void toggleMuteVoice(const LLSD& userdata);
-		
-			/**
-			 * Return true if Agent is group moderator(and moderator of group call).
-			 */
-			bool isGroupModerator();
-
-			// Voice moderation support
-			/**
-			 * Check whether specified by argument avatar is muted for group chat or not.
-			 */
-			bool isMuted(const LLUUID& avatar_id);
-
-			/**
-			 * Processes Voice moderation menu items.
-			 *
-			 * It calls either moderateVoiceParticipant() or moderateVoiceParticipant() depend on
-			 * passed parameter.
-			 *
-			 * @param userdata can be "selected" or "others".
-			 *
-			 * @see moderateVoiceParticipant()
-			 * @see moderateVoiceAllParticipants()
-			 */
-			void moderateVoice(const LLSD& userdata);
-
-			/**
-			 * Mutes/Unmutes avatar for current group voice chat.
-			 *
-			 * It only marks avatar as muted for session and does not use local Agent's Block list.
-			 * It does not mute Agent itself.
-			 *
-			 * @param[in] avatar_id UUID of avatar to be processed
-			 * @param[in] unmute if true - specified avatar will be muted, otherwise - unmuted.
-			 *
-			 * @see moderateVoiceAllParticipants()
-			 */
-			void moderateVoiceParticipant(const LLUUID& avatar_id, bool unmute);
-
-			/**
-			 * Mutes/Unmutes all avatars for current group voice chat.
-			 *
-			 * It only marks avatars as muted for session and does not use local Agent's Block list.
-			 *
-			 * @param[in] unmute if true - avatars will be muted, otherwise - unmuted.
-			 *
-			 * @see moderateVoiceParticipant()
-			 */
-			void moderateVoiceAllParticipants(bool unmute);
-
-			static void confirmMuteAllCallback(const LLSD& notification, const LLSD& response);
-		};
+		void moderateVoice(const LLSD& userdata);
 
 		/**
-		 * Comparator for comparing avatar items by last spoken time
+		 * Mutes/Unmutes avatar for current group voice chat.
+		 *
+		 * It only marks avatar as muted for session and does not use local Agent's Block list.
+		 * It does not mute Agent itself.
+		 *
+		 * @param[in] avatar_id UUID of avatar to be processed
+		 * @param[in] unmute if true - specified avatar will be muted, otherwise - unmuted.
+		 *
+		 * @see moderateVoiceAllParticipants()
 		 */
-		class LLAvatarItemRecentSpeakerComparator : public LLAvatarItemNameComparator, public LLRefCount
-		{
-			LOG_CLASS(LLAvatarItemRecentSpeakerComparator);
-		  public:
-			LLAvatarItemRecentSpeakerComparator(LLParticipantList& parent):mParent(parent){};
-			virtual ~LLAvatarItemRecentSpeakerComparator() {};
-		  protected:
-			virtual bool doCompare(const LLAvatarListItem* avatar_item1, const LLAvatarListItem* avatar_item2) const;
-		  private:
-			LLParticipantList& mParent;
-		};
-
-	private:
-		void onAvatarListDoubleClicked(LLUICtrl* ctrl);
-		void onAvatarListRefreshed(LLUICtrl* ctrl, const LLSD& param);
-
-		void onAvalineCallerFound(const LLUUID& participant_id);
-		void onAvalineCallerRemoved(const LLUUID& participant_id);
+		void moderateVoiceParticipant(const LLUUID& avatar_id, bool unmute);
 
 		/**
-		 * Adjusts passed participant to work properly.
+		 * Mutes/Unmutes all avatars for current group voice chat.
 		 *
-		 * Adds SpeakerMuteListener to process moderation actions.
-		 */
-		void adjustParticipant(const LLUUID& speaker_id);
-
-		LLSpeakerMgr*		mSpeakerMgr;
-		LLAvatarList*		mAvatarList;
-
-		std::set<LLUUID>	mModeratorList;
-		std::set<LLUUID>	mModeratorToRemoveList;
-
-		LLPointer<SpeakerAddListener>				mSpeakerAddListener;
-		LLPointer<SpeakerRemoveListener>			mSpeakerRemoveListener;
-		LLPointer<SpeakerClearListener>				mSpeakerClearListener;
-		LLPointer<SpeakerModeratorUpdateListener>	mSpeakerModeratorListener;
-		LLPointer<SpeakerMuteListener>				mSpeakerMuteListener;
-
-		LLParticipantListMenu*    mParticipantListMenu;
-
-		EParticipantSortOrder	mSortOrder;
-		/*
-		 * This field manages an adding  a new avatar_id in the mAvatarList
-		 * If true, then agent_id wont  be added into mAvatarList
-		 * Also by default this field is controlling a sort procedure, @c sort() 
+		 * It only marks avatars as muted for session and does not use local Agent's Block list.
+		 *
+		 * @param[in] unmute if true - avatars will be muted, otherwise - unmuted.
+		 *
+		 * @see moderateVoiceParticipant()
 		 */
-		bool mExcludeAgent;
+		void moderateVoiceAllParticipants(bool unmute);
 
-		// boost::connections
-		boost::signals2::connection mAvatarListDoubleClickConnection;
-		boost::signals2::connection mAvatarListRefreshConnection;
-		boost::signals2::connection mAvatarListReturnConnection;
-		boost::signals2::connection mAvatarListToggleIconsConnection;
+		static void confirmMuteAllCallback(const LLSD& notification, const LLSD& response);
+	};
 
-		LLPointer<LLAvatarItemRecentSpeakerComparator> mSortByRecentSpeakers;
-		validate_speaker_callback_t mValidateSpeakerCallback;
-		LLAvalineUpdater* mAvalineUpdater;
+	/**
+	 * Comparator for comparing avatar items by last spoken time
+	 */
+	class LLAvatarItemRecentSpeakerComparator : public LLAvatarItemNameComparator, public LLRefCount
+	{
+		LOG_CLASS(LLAvatarItemRecentSpeakerComparator);
+	public:
+		LLAvatarItemRecentSpeakerComparator(LLParticipantList& parent):mParent(parent){};
+		virtual ~LLAvatarItemRecentSpeakerComparator() {};
+	protected:
+		virtual bool doCompare(const LLAvatarListItem* avatar_item1, const LLAvatarListItem* avatar_item2) const;
+	private:
+		LLParticipantList& mParent;
+	};
+
+private:
+	void onAvatarListDoubleClicked(LLUICtrl* ctrl);
+	void onAvatarListRefreshed(LLUICtrl* ctrl, const LLSD& param);
+
+	void onAvalineCallerFound(const LLUUID& participant_id);
+	void onAvalineCallerRemoved(const LLUUID& participant_id);
+
+	/**
+	 * Adjusts passed participant to work properly.
+	 *
+	 * Adds SpeakerMuteListener to process moderation actions.
+	 */
+	void adjustParticipant(const LLUUID& speaker_id);
+
+	LLSpeakerMgr*		mSpeakerMgr;
+	LLAvatarList*		mAvatarList;
+
+	std::set<LLUUID>	mModeratorList;
+	std::set<LLUUID>	mModeratorToRemoveList;
+
+	LLPointer<SpeakerAddListener>				mSpeakerAddListener;
+	LLPointer<SpeakerRemoveListener>			mSpeakerRemoveListener;
+	LLPointer<SpeakerClearListener>				mSpeakerClearListener;
+	LLPointer<SpeakerModeratorUpdateListener>	mSpeakerModeratorListener;
+	LLPointer<SpeakerMuteListener>				mSpeakerMuteListener;
+
+	LLParticipantListMenu*    mParticipantListMenu;
+
+	/**
+	 * This field manages an adding  a new avatar_id in the mAvatarList
+	 * If true, then agent_id wont  be added into mAvatarList
+	 * Also by default this field is controlling a sort procedure, @c sort() 
+	 */
+	bool mExcludeAgent;
+
+	// boost::connections
+	boost::signals2::connection mAvatarListDoubleClickConnection;
+	boost::signals2::connection mAvatarListRefreshConnection;
+	boost::signals2::connection mAvatarListReturnConnection;
+	boost::signals2::connection mAvatarListToggleIconsConnection;
+
+	LLPointer<LLAvatarItemRecentSpeakerComparator> mSortByRecentSpeakers;
+	validate_speaker_callback_t mValidateSpeakerCallback;
+	LLAvalineUpdater* mAvalineUpdater;
 };
+
+#endif // LL_PARTICIPANTLIST_H