[gnome-games] game-boy: Add is_classic() to GameBoyHeader

[Adrien Plazas <aplazas src gnome org>]

commit e662b10cd3a4f07d597aae0ee93725e265b4f091
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Sat Aug 27 21:26:03 2016 +0200

    game-boy: Add is_classic() to GameBoyHeader
    
    This will be used in the next commits to discriminte GameBoy headers
    from GameBoyColor ones.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=769495

 plugins/game-boy/src/game-boy-header.vala |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/plugins/game-boy/src/game-boy-header.vala b/plugins/game-boy/src/game-boy-header.vala
index 27f1acf..9bc461f 100644
--- a/plugins/game-boy/src/game-boy-header.vala
+++ b/plugins/game-boy/src/game-boy-header.vala
@@ -96,6 +96,16 @@ private class Games.GameBoyHeader : Object {
                if (!stream.has_string (MAGIC_OFFSET, MAGIC_VALUE))
                        throw new GameBoyError.INVALID_HEADER (_("The file doesn't have a Game Boy header."));
        }
+
+       public bool is_classic () {
+               switch (game_boy_type) {
+               case GameBoyType.SUPER_ENABLED:
+               case GameBoyType.CLASSIC:
+                       return true;
+               default:
+                       return false;
+               }
+       }
 }
 
 private enum Games.GameBoyType {