[longomatch] Prompt user before remuxing file and handle cancellations

[Andoni Morales Alastruey <amorales src gnome org>]

commit 38cdf0cddd7a897d4f234df0ef980c88b487247e
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Fri Jan 2 16:48:18 2015 +0100

    Prompt user before remuxing file and handle cancellations

 LongoMatch.GUI.Helpers/Misc.cs |   16 +++++++++++-----
 1 files changed, 11 insertions(+), 5 deletions(-)
---
diff --git a/LongoMatch.GUI.Helpers/Misc.cs b/LongoMatch.GUI.Helpers/Misc.cs
index a5daa99..0cccb6d 100644
--- a/LongoMatch.GUI.Helpers/Misc.cs
+++ b/LongoMatch.GUI.Helpers/Misc.cs
@@ -355,15 +355,21 @@ namespace LongoMatch.Gui.Helpers
                                                } else {
                                                        string q = Catalog.GetString ("This file needs to be 
converted into a more suitable format." +
                                                                                      "(This step will only 
take a few minutes)");
-                                                       gui.InfoMessage (q, parent);
-                                                       string newFilename = multimedia.RemuxFile (mediaFile, 
parent);
-                                                       if (newFilename != null)
-                                                               mediaFile = multimedia.DiscoverFile 
(newFilename);
+                                                       if (gui.QuestionMessage (q, null, parent)) {
+                                                               string newFilename = multimedia.RemuxFile 
(mediaFile, parent);
+                                                               if (newFilename != null) {
+                                                                       mediaFile = multimedia.DiscoverFile 
(newFilename);
+                                                               } else {
+                                                                       mediaFile = null;
+                                                               }
+                                                       } else {
+                                                               mediaFile = null;
+                                                       }
                                                }
                                        }
                                } catch (Exception ex) {
                                        gui.ErrorMessage (ex.Message, parent);
-                                       return null;
+                                       mediaFile = null;
                                }
                        }
                        return mediaFile;