[gnome-games] game-boy: Support Game Boy Color games

[Adrien Plazas <aplazas src gnome org>]

commit ed87cc1828119724e25c49a9fac9054b56a7eb93
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Sat Aug 27 21:28:40 2016 +0200

    game-boy: Support Game Boy Color games
    
    The Game Boy Color MIME type have been discriminated from the Game Boy
    one, hence we need to explicitly look for Game Boy Color games.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=769495

 plugins/game-boy/src/game-boy-plugin.vala |   37 ++++++++++++++++++++++------
 1 files changed, 29 insertions(+), 8 deletions(-)
---
diff --git a/plugins/game-boy/src/game-boy-plugin.vala b/plugins/game-boy/src/game-boy-plugin.vala
index 4cae682..74aa577 100644
--- a/plugins/game-boy/src/game-boy-plugin.vala
+++ b/plugins/game-boy/src/game-boy-plugin.vala
@@ -1,18 +1,26 @@
 // This file is part of GNOME Games. License: GPLv3
 
 private class Games.GameBoyPlugin : Object, Plugin {
-       private const string FINGERPRINT_PREFIX = "game-boy";
-       private const string MIME_TYPE = "application/x-gameboy-rom";
+       private const string GAME_BOY_PREFIX = "game-boy";
+       private const string GAME_BOY_MIME_TYPE = "application/x-gameboy-rom";
+
+       // Similar to GAME_BOY_PREFIX for simplicity and backward compatibility.
+       private const string GAME_BOY_COLOR_PREFIX = "game-boy";
+       private const string GAME_BOY_COLOR_MIME_TYPE = "application/x-gameboy-color-rom";
+
        private const string MODULE_BASENAME = "libretro-game-boy.so";
        private const bool SUPPORTS_SNAPSHOTTING = true;
 
        public GameSource get_game_source () throws Error {
                var game_uri_adapter = new GenericSyncGameUriAdapter (game_for_uri);
-               var factory = new GenericUriGameFactory (game_uri_adapter);
-               var query = new MimeTypeTrackerQuery (MIME_TYPE, factory);
+               var game_boy_factory = new GenericUriGameFactory (game_uri_adapter);
+               var game_boy_color_factory = new GenericUriGameFactory (game_uri_adapter);
+               var game_boy_query = new MimeTypeTrackerQuery (GAME_BOY_MIME_TYPE, game_boy_factory);
+               var game_boy_color_query = new MimeTypeTrackerQuery (GAME_BOY_COLOR_MIME_TYPE, 
game_boy_color_factory);
                var connection = Tracker.Sparql.Connection.@get ();
                var source = new TrackerGameSource (connection);
-               source.add_query (query);
+               source.add_query (game_boy_query);
+               source.add_query (game_boy_color_query);
 
                return source;
        }
@@ -22,14 +30,27 @@ private class Games.GameBoyPlugin : Object, Plugin {
                var header = new GameBoyHeader (file);
                header.check_validity ();
 
-               var uid = new FingerprintUid (uri, FINGERPRINT_PREFIX);
+               string prefix;
+               string mime_type;
+               if (header.is_classic ()) {
+                       prefix = GAME_BOY_PREFIX;
+                       mime_type = GAME_BOY_MIME_TYPE;
+               }
+               else if (header.is_color ()) {
+                       prefix = GAME_BOY_COLOR_PREFIX;
+                       mime_type = GAME_BOY_COLOR_MIME_TYPE;
+               }
+               else
+                       assert_not_reached ();
+
+               var uid = new FingerprintUid (uri, prefix);
                var title = new FilenameTitle (uri);
                var icon = new DummyIcon ();
-               var media = new GriloMedia (title, MIME_TYPE);
+               var media = new GriloMedia (title, mime_type);
                var cover = new CompositeCover ({
                        new LocalCover (uri),
                        new GriloCover (media, uid)});
-               var runner = new RetroRunner.with_mime_types (uri, uid, { MIME_TYPE }, MODULE_BASENAME, 
SUPPORTS_SNAPSHOTTING);
+               var runner = new RetroRunner.with_mime_types (uri, uid, { mime_type }, MODULE_BASENAME, 
SUPPORTS_SNAPSHOTTING);
 
                return new GenericGame (title, icon, cover, runner);
        }