[longomatch] Hide drawings after unloading the element

[Andoni Morales Alastruey <amorales src gnome org>]

commit a1efe0e68d0fed264c953973edbe6bd2391fb995
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Mon Mar 23 14:54:35 2015 +0100

    Hide drawings after unloading the element

 LongoMatch.GUI.Multimedia/Gui/PlayerView.cs |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/LongoMatch.GUI.Multimedia/Gui/PlayerView.cs b/LongoMatch.GUI.Multimedia/Gui/PlayerView.cs
index 0136529..1ba37ee 100644
--- a/LongoMatch.GUI.Multimedia/Gui/PlayerView.cs
+++ b/LongoMatch.GUI.Multimedia/Gui/PlayerView.cs
@@ -292,7 +292,7 @@ namespace LongoMatch.Gui
 
                void HandleVolumeChangedEvent (double level)
                {
-
+                       /* Unused: volume is retrieved before launching the volume window */
                }
 
                void HandleTimeChangedEvent (Time currentTime, Time duration, bool seekable)
@@ -345,6 +345,7 @@ namespace LongoMatch.Gui
                void HandleElementLoadedEvent (object element, bool hasNext)
                {
                        if (element == null) {
+                               DrawingsVisible = false;
                                if (Mode != PlayerViewOperationMode.LiveAnalysisReview) {
                                        closebutton.Visible = false;
                                }