5 files changed, 14 insertions, 2 deletions
diff --git a/indra/newview/llfloaterimcontainer.cpp b/indra/newview/llfloaterimcontainer.cpp
index cc053ca658..75b311eecf 100644
--- a/indra/newview/llfloaterimcontainer.cpp
+++ b/indra/newview/llfloaterimcontainer.cpp
@@ -88,6 +88,11 @@ LLFloaterIMContainer::~LLFloaterIMContainer()
 	mNewMessageConnection.disconnect();
 	LLTransientFloaterMgr::getInstance()->removeControlView(LLTransientFloaterMgr::IM, this);
 
+	if (mMicroChangedSignal.connected())
+	{
+		mMicroChangedSignal.disconnect();
+	}
+
 	gSavedPerAccountSettings.setBOOL("ConversationsListPaneCollapsed", mConversationsPane->isCollapsed());
 	gSavedPerAccountSettings.setBOOL("ConversationsMessagePaneCollapsed", mMessagesPane->isCollapsed());
 
@@ -213,7 +218,7 @@ BOOL LLFloaterIMContainer::postBuild()
 	collapseMessagesPane(gSavedPerAccountSettings.getBOOL("ConversationsMessagePaneCollapsed"));
 	collapseConversationsPane(gSavedPerAccountSettings.getBOOL("ConversationsListPaneCollapsed"));
 	LLAvatarNameCache::addUseDisplayNamesCallback(boost::bind(&LLFloaterIMSessionTab::processChatHistoryStyleUpdate));
-
+	mMicroChangedSignal = LLVoiceClient::getInstance()->MicroChangedCallback(boost::bind(&LLFloaterIMContainer::updateSpeakBtnState, this));
 	if (! mMessagesPane->isCollapsed())
 	{
 		S32 list_width = gSavedPerAccountSettings.getS32("ConversationsListPaneWidth");
diff --git a/indra/newview/llfloaterimcontainer.h b/indra/newview/llfloaterimcontainer.h
index 3818645037..4f1bb96d9b 100644
--- a/indra/newview/llfloaterimcontainer.h
+++ b/indra/newview/llfloaterimcontainer.h
@@ -176,6 +176,7 @@ public:
 	void updateSpeakBtnState();
 	static bool isConversationLoggingAllowed();
 	void flashConversationItemWidget(const LLUUID& session_id, bool is_flashes);
+	boost::signals2::connection mMicroChangedSignal;
 
 private:
 	LLConversationViewSession* createConversationItemWidget(LLConversationItem* item);
diff --git a/indra/newview/llfloaterimsessiontab.cpp b/indra/newview/llfloaterimsessiontab.cpp
index 4c6d8fa5a0..0eb0289f49 100644
--- a/indra/newview/llfloaterimsessiontab.cpp
+++ b/indra/newview/llfloaterimsessiontab.cpp
@@ -693,7 +693,6 @@ void LLFloaterIMSessionTab::updateCallBtnState(bool callIsActive)
 	voiceButton->setToolTip(
 			callIsActive? getString("end_call_button_tooltip") : getString("start_call_button_tooltip"));
 
-	LLFloaterIMContainer::getInstance()->updateSpeakBtnState();
 	enableDisableCallBtn();
 
 }
diff --git a/indra/newview/llvoiceclient.cpp b/indra/newview/llvoiceclient.cpp
index 730f022c50..dd529d74e9 100644
--- a/indra/newview/llvoiceclient.cpp
+++ b/indra/newview/llvoiceclient.cpp
@@ -551,6 +551,7 @@ void LLVoiceClient::setUserPTTState(bool ptt)
 {
 	mUserPTTState = ptt;
 	updateMicMuteLogic();
+	mMicroChangedSignal();
 }
 
 bool LLVoiceClient::getUserPTTState()
diff --git a/indra/newview/llvoiceclient.h b/indra/newview/llvoiceclient.h
index c9aeea35a9..714dd6a9f2 100644
--- a/indra/newview/llvoiceclient.h
+++ b/indra/newview/llvoiceclient.h
@@ -303,6 +303,9 @@ public:
 	LLVoiceClient();	
 	~LLVoiceClient();
 
+	typedef boost::signals2::signal<void(void)> micro_changed_signal_t;
+	micro_changed_signal_t mMicroChangedSignal;
+
 	void init(LLPumpIO *pump);	// Call this once at application startup (creates connector)
 	void terminate();	// Call this to clean up during shutdown
 	
@@ -401,6 +404,8 @@ public:
 	void keyUp(KEY key, MASK mask);
 	void middleMouseState(bool down);
 	
+	boost::signals2::connection MicroChangedCallback(const micro_changed_signal_t::slot_type& cb ) { return mMicroChangedSignal.connect(cb); }
+
 	
 	/////////////////////////////
 	// Accessors for data related to nearby speakers
@@ -456,6 +461,7 @@ protected:
 	LLVoiceModuleInterface* mVoiceModule;
 	LLPumpIO *m_servicePump;
 
+
 	LLCachedControl<bool> mVoiceEffectEnabled;
 	LLCachedControl<std::string> mVoiceEffectDefault;