3 files changed, 15 insertions, 13 deletions
diff --git a/indra/newview/llpanelimcontrolpanel.cpp b/indra/newview/llpanelimcontrolpanel.cpp
index c9168670d5..6479f46283 100644
--- a/indra/newview/llpanelimcontrolpanel.cpp
+++ b/indra/newview/llpanelimcontrolpanel.cpp
@@ -86,10 +86,8 @@ void LLPanelChatControlPanel::draw()
 
 	bool session_initialized = session->mSessionInitialized;
 	bool callback_enabled = session->mCallBackEnabled;
-	LLViewerRegion* region = gAgent.getRegion();
 
-	BOOL enable_connect = (region && region->getCapability("ChatSessionRequest") != "")
-		&& session_initialized
+	BOOL enable_connect = session_initialized
 		&& voice_enabled
 		&& callback_enabled;
 	childSetEnabled("call_btn", enable_connect);
@@ -190,7 +188,8 @@ void LLPanelIMControlPanel::nameUpdatedCallback(const LLUUID& id, const std::str
 	}
 }
 
-LLPanelGroupControlPanel::LLPanelGroupControlPanel(const LLUUID& session_id)
+LLPanelGroupControlPanel::LLPanelGroupControlPanel(const LLUUID& session_id):
+mParticipantList(NULL)
 {
 	mSpeakerManager = LLIMModel::getInstance()->getSpeakerManager(session_id);
 }
@@ -199,9 +198,6 @@ BOOL LLPanelGroupControlPanel::postBuild()
 {
 	childSetAction("group_info_btn", boost::bind(&LLPanelGroupControlPanel::onGroupInfoButtonClicked, this));
 
-	mAvatarList = getChild<LLAvatarList>("speakers_list");
-	mParticipantList = new LLParticipantList(mSpeakerManager, mAvatarList);
-
 	return LLPanelChatControlPanel::postBuild();
 }
 
@@ -214,6 +210,8 @@ LLPanelGroupControlPanel::~LLPanelGroupControlPanel()
 // virtual
 void LLPanelGroupControlPanel::draw()
 {
+	//Remove event does not raised until speakerp->mActivityTimer.hasExpired() is false, see LLSpeakerManager::update()
+	//so we need update it to raise needed event
 	mSpeakerManager->update(true);
 	LLPanelChatControlPanel::draw();
 }
@@ -241,7 +239,7 @@ void LLPanelGroupControlPanel::onSortMenuItemClicked(const LLSD& userdata)
 void LLPanelGroupControlPanel::onVoiceChannelStateChanged(const LLVoiceChannel::EState& old_state, const LLVoiceChannel::EState& new_state)
 {
 	LLPanelChatControlPanel::onVoiceChannelStateChanged(old_state, new_state);
-	mAvatarList->setSpeakingIndicatorsVisible(new_state >= LLVoiceChannel::STATE_CALL_STARTED);
+	mParticipantList->setSpeakingIndicatorsVisible(new_state >= LLVoiceChannel::STATE_CALL_STARTED);
 }
 
 void LLPanelGroupControlPanel::setSessionId(const LLUUID& session_id)
@@ -249,6 +247,10 @@ void LLPanelGroupControlPanel::setSessionId(const LLUUID& session_id)
 	LLPanelChatControlPanel::setSessionId(session_id);
 
 	mGroupID = LLIMModel::getInstance()->getOtherParticipantID(session_id);
+
+	if(!mParticipantList)
+		mParticipantList = new LLParticipantList(LLIMModel::getInstance()->getSpeakerManager(session_id),
+													getChild<LLAvatarList>("speakers_list"));
 }
 
 
@@ -258,9 +260,7 @@ LLPanelAdHocControlPanel::LLPanelAdHocControlPanel(const LLUUID& session_id):LLP
 
 BOOL LLPanelAdHocControlPanel::postBuild()
 {
-	mAvatarList = getChild<LLAvatarList>("speakers_list");
-	mParticipantList = new LLParticipantList(mSpeakerManager, mAvatarList);
-
+	//We don't need LLPanelGroupControlPanel::postBuild() to be executed as there is no group_info_btn at AdHoc chat
 	return LLPanelChatControlPanel::postBuild();
 }
 
diff --git a/indra/newview/llpanelimcontrolpanel.h b/indra/newview/llpanelimcontrolpanel.h
index ac5d86345e..12de21a46a 100644
--- a/indra/newview/llpanelimcontrolpanel.h
+++ b/indra/newview/llpanelimcontrolpanel.h
@@ -100,10 +100,11 @@ public:
 protected:
 	LLUUID mGroupID;
 	LLSpeakerMgr* mSpeakerManager;
-	LLAvatarList* mAvatarList;
+
 	LLParticipantList* mParticipantList;
 
 private:
+	void onVisibilityChange(const LLSD& new_visibility);
 	void onGroupInfoButtonClicked();
 	void onSortMenuItemClicked(const LLSD& userdata);
 	/*virtual*/ void onVoiceChannelStateChanged(const LLVoiceChannel::EState& old_state, const LLVoiceChannel::EState& new_state);
diff --git a/indra/newview/llparticipantlist.h b/indra/newview/llparticipantlist.h
index 1ff1515d16..6fe178b023 100644
--- a/indra/newview/llparticipantlist.h
+++ b/indra/newview/llparticipantlist.h
@@ -34,9 +34,9 @@
 #include "llevent.h"
 #include "llpanelpeoplemenus.h"
 #include "llimview.h"
+#include "llavatarlist.h"
 
 class LLSpeakerMgr;
-class LLAvatarList;
 class LLUICtrl;
 
 class LLParticipantList
@@ -45,6 +45,7 @@ class LLParticipantList
 	public:
 		LLParticipantList(LLSpeakerMgr* data_source, LLAvatarList* avatar_list);
 		~LLParticipantList();
+		void setSpeakingIndicatorsVisible(BOOL visible){ mAvatarList->setSpeakingIndicatorsVisible(visible); };
 
 		typedef enum e_participant_sort_oder {
 			E_SORT_BY_NAME = 0,