2 files changed, 28 insertions, 0 deletions
diff --git a/indra/newview/llpaneltopinfobar.cpp b/indra/newview/llpaneltopinfobar.cpp
index 68dc1cdf71..e73d1fb7c2 100644
--- a/indra/newview/llpaneltopinfobar.cpp
+++ b/indra/newview/llpaneltopinfobar.cpp
@@ -161,6 +161,8 @@ BOOL LLPanelTopInfoBar::postBuild()
 	mParcelMgrConnection = LLViewerParcelMgr::getInstance()->addAgentParcelChangedCallback(
 			boost::bind(&LLPanelTopInfoBar::onAgentParcelChange, this));
 
+	setVisibleCallback(boost::bind(&LLPanelTopInfoBar::onVisibilityChange, this, _2));
+
 	return TRUE;
 }
 
@@ -174,6 +176,27 @@ void LLPanelTopInfoBar::onNavBarShowParcelPropertiesCtrlChanged()
 	setParcelInfoText(new_text);
 }
 
+// when panel is shown, all minimized floaters should be shifted downwards to prevent overlapping of
+// PanelTopInfoBar. See EXT-7951.
+void LLPanelTopInfoBar::onVisibilityChange(const LLSD& show)
+{
+	// this height is used as a vertical offset for ALREADY MINIMIZED floaters
+	// when PanelTopInfoBar visibility changes
+	S32 height = getRect().getHeight();
+
+	// this vertical offset is used for a start minimize position of floaters that
+	// are NOT MIMIMIZED YET
+	S32 minimize_pos_offset = 0;
+
+	if (show.asBoolean())
+	{
+		height = minimize_pos_offset = -height;
+	}
+
+	gFloaterView->shiftFloaters(0, height);
+	gFloaterView->setMinimizePositionVerticalOffset(minimize_pos_offset);
+}
+
 void LLPanelTopInfoBar::draw()
 {
 	updateParcelInfoText();
diff --git a/indra/newview/llpaneltopinfobar.h b/indra/newview/llpaneltopinfobar.h
index 6e6fbc08ab..0603ee744f 100644
--- a/indra/newview/llpaneltopinfobar.h
+++ b/indra/newview/llpaneltopinfobar.h
@@ -58,6 +58,11 @@ public:
 	 */
 	void handleLoginComplete();
 
+	/**
+	 * Called when the top info bar gets shown or hidden
+	 */
+	void onVisibilityChange(const LLSD& show);
+
 private:
 	class LLParcelChangeObserver;