4 files changed, 15 insertions, 0 deletions
diff --git a/indra/llui/llfloater.cpp b/indra/llui/llfloater.cpp
index 36a9e0a650..a63187678e 100644
--- a/indra/llui/llfloater.cpp
+++ b/indra/llui/llfloater.cpp
@@ -1452,6 +1452,7 @@ void LLFloater::onClickTearOff(LLFloater* self)
 		gFloaterView->adjustToFitScreen(self, FALSE);
 		// give focus to new window to keep continuity for the user
 		self->setFocus(TRUE);
+		self->setTornOff(true);
 	}
 	else  //Attach to parent.
 	{
@@ -1463,6 +1464,7 @@ void LLFloater::onClickTearOff(LLFloater* self)
 			// make sure host is visible
 			new_host->openFloater(new_host->getKey());
 		}
+		self->setTornOff(false);
 	}
 }
 
diff --git a/indra/llui/llfloater.h b/indra/llui/llfloater.h
index d7ec0aac00..b5c835cb47 100644
--- a/indra/llui/llfloater.h
+++ b/indra/llui/llfloater.h
@@ -259,6 +259,8 @@ public:
 	bool            isDocked() const { return mDocked; }
 	virtual void    setDocked(bool docked, bool pop_on_undock = true);
 
+	virtual void    setTornOff(bool torn_off) {}
+
 	// Return a closeable floater, if any, given the current focus.
 	static LLFloater* getClosableFloaterFromFocus(); 
 
diff --git a/indra/newview/llimfloater.cpp b/indra/newview/llimfloater.cpp
index 9b7df38c5e..9de0b1f827 100644
--- a/indra/newview/llimfloater.cpp
+++ b/indra/newview/llimfloater.cpp
@@ -419,6 +419,16 @@ void LLIMFloater::setDocked(bool docked, bool pop_on_undock)
 	}
 }
 
+void LLIMFloater::setTornOff(bool torn_off)
+{
+	// When IM Floater isn't torn off, "close" button should be hidden.
+	// This call will just disables it, since there is a hack in LLFloater::updateButton,
+	// which prevents hiding of close button in that case.
+	setCanClose(torn_off);
+
+	LLTransientDockableFloater::setTornOff(torn_off);
+}
+
 void LLIMFloater::setVisible(BOOL visible)
 {
 	LLNotificationsUI::LLScreenChannel* channel = dynamic_cast<LLNotificationsUI::LLScreenChannel*>
diff --git a/indra/newview/llimfloater.h b/indra/newview/llimfloater.h
index 2c762c4d9a..f90bc35c34 100644
--- a/indra/newview/llimfloater.h
+++ b/indra/newview/llimfloater.h
@@ -63,6 +63,7 @@ public:
 	// LLFloater overrides
 	/*virtual*/ void onClose(bool app_quitting);
 	/*virtual*/ void setDocked(bool docked, bool pop_on_undock = true);
+	/*virtual*/ void setTornOff(bool torn_off);
 
 	// Make IM conversion visible and update the message history
 	static LLIMFloater* show(const LLUUID& session_id);