[gnome-games/wip/exalm/cache2: 33/45] genre: Add 'has-loaded' property and remove changed()

[Alexander Mikhaylenko <alexm src gnome org>]

commit b2fdce30316c62420d60c2ed5584079d02d1e23e
Author: Alexander Mikhaylenko <exalm7659 gmail com>
Date:   Tue Oct 2 18:55:49 2018 +0500

    genre: Add 'has-loaded' property and remove changed()

 src/core/genre.vala            | 2 +-
 src/dummy/dummy-genre.vala     | 2 ++
 src/generic/generic-genre.vala | 6 ++++++
 src/grilo/grilo-genre.vala     | 9 ++++-----
 4 files changed, 13 insertions(+), 6 deletions(-)
---
diff --git a/src/core/genre.vala b/src/core/genre.vala
index 8411d214..84a0be86 100644
--- a/src/core/genre.vala
+++ b/src/core/genre.vala
@@ -1,7 +1,7 @@
 // This file is part of GNOME Games. License: GPL-3.0+.
 
 public interface Games.Genre : Object {
-       public signal void changed ();
+       public abstract bool has_loaded { get; protected set; }
 
        public abstract unowned string[] get_genre ();
 }
diff --git a/src/dummy/dummy-genre.vala b/src/dummy/dummy-genre.vala
index b23b6c0f..97ba1bf4 100644
--- a/src/dummy/dummy-genre.vala
+++ b/src/dummy/dummy-genre.vala
@@ -4,6 +4,8 @@ public class Games.DummyGenre : Object, Genre {
        // This is needed because get_genre() can't transfer ownership of the list.
        private string[] genres;
 
+       public bool has_loaded { get; protected set; }
+
        construct {
                genres = {};
        }
diff --git a/src/generic/generic-genre.vala b/src/generic/generic-genre.vala
index 3ffd7b2c..d66fa0a6 100644
--- a/src/generic/generic-genre.vala
+++ b/src/generic/generic-genre.vala
@@ -3,6 +3,12 @@
 public class Games.GenericGenre : Object, Genre {
        private string[] genre;
 
+       public bool has_loaded { get; protected set; }
+
+       construct {
+               has_loaded = true;
+       }
+
        public GenericGenre (string[] genre) {
                this.genre = genre.copy ();
        }
diff --git a/src/grilo/grilo-genre.vala b/src/grilo/grilo-genre.vala
index b221dcb1..2aa3e24b 100644
--- a/src/grilo/grilo-genre.vala
+++ b/src/grilo/grilo-genre.vala
@@ -4,7 +4,8 @@ public class Games.GriloGenre : Object, Genre {
        private GriloMedia media;
        private string[] genre;
        private bool resolving;
-       private bool resolved;
+
+       public bool has_loaded { get; protected set; }
 
        public GriloGenre (GriloMedia media) {
                this.media = media;
@@ -13,7 +14,7 @@ public class Games.GriloGenre : Object, Genre {
        }
 
        public unowned string[] get_genre () {
-               if (resolving || resolved)
+               if (resolving || has_loaded)
                        return genre;
 
                resolving = true;
@@ -36,8 +37,6 @@ public class Games.GriloGenre : Object, Genre {
                for (uint index = 0; index < genre_count; index++)
                        genre += grl_media.get_genre_nth (index);
 
-               resolved = true;
-
-               changed ();
+               has_loaded = true;
        }
 }