[gnome-games/wip/exalm/loading: 6/29] game-collection: Add create_runner()

[Alexander Mikhaylenko <alexm src gnome org>]

commit 6ab38e99f4e3a2748ce0537a4f2d9d8986f25567
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Mon Nov 11 23:54:29 2019 +0500

    game-collection: Add create_runner()

 src/core/game-collection.vala | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
---
diff --git a/src/core/game-collection.vala b/src/core/game-collection.vala
index f6cc1309..3fb8db3f 100644
--- a/src/core/game-collection.vala
+++ b/src/core/game-collection.vala
@@ -88,6 +88,30 @@ private class Games.GameCollection : Object {
                return true;
        }
 
+       public Runner? create_runner (Game game) {
+               var platform = game.get_platform ();
+
+               if (!runner_factories_for_platforms.contains (platform))
+                       return null;
+
+               var factories = runner_factories_for_platforms[platform];
+               if (factories == null)
+                       return null;
+
+               foreach (var factory in factories.data) {
+                       try {
+                               var runner = factory.create_runner (game);
+                               if (runner != null)
+                                       return runner;
+                       }
+                       catch (Error e) {
+                               critical ("Couldn't create runner: %s", e.message);
+                       }
+               }
+
+               return null;
+       }
+
        private async UriGameFactory[] get_factories_for_uri (Uri uri) {
                Idle.add (get_factories_for_uri.callback);
                yield;