[gnome-games/wip/exalm/cache2: 37/45] release-date: Add 'has-loaded' property and remove changed()

[Alexander Mikhaylenko <alexm src gnome org>]

commit fa61b8b4f519f5f1cd7d07f63d6e035c808a398a
Author: Alexander Mikhaylenko <exalm7659 gmail com>
Date:   Tue Oct 2 18:56:50 2018 +0500

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

 src/core/release-date.vala            | 2 +-
 src/dummy/dummy-release-date.vala     | 2 ++
 src/generic/generic-release-date.vala | 6 ++++++
 src/grilo/grilo-release-date.vala     | 9 ++++-----
 4 files changed, 13 insertions(+), 6 deletions(-)
---
diff --git a/src/core/release-date.vala b/src/core/release-date.vala
index 6461f2e6..ba00f60e 100644
--- a/src/core/release-date.vala
+++ b/src/core/release-date.vala
@@ -1,7 +1,7 @@
 // This file is part of GNOME Games. License: GPL-3.0+.
 
 public interface Games.ReleaseDate : Object {
-       public signal void changed ();
+       public abstract bool has_loaded { get; protected set; }
 
        public abstract DateTime get_release_date ();
 }
diff --git a/src/dummy/dummy-release-date.vala b/src/dummy/dummy-release-date.vala
index 2762e39b..7c9b742b 100644
--- a/src/dummy/dummy-release-date.vala
+++ b/src/dummy/dummy-release-date.vala
@@ -1,6 +1,8 @@
 // This file is part of GNOME Games. License: GPL-3.0+.
 
 public class Games.DummyReleaseDate : Object, ReleaseDate {
+       public bool has_loaded { get; protected set; }
+
        public DateTime get_release_date () {
                return null;
        }
diff --git a/src/generic/generic-release-date.vala b/src/generic/generic-release-date.vala
index ddf2e89c..81209198 100644
--- a/src/generic/generic-release-date.vala
+++ b/src/generic/generic-release-date.vala
@@ -3,6 +3,12 @@
 public class Games.GenericReleaseDate : Object, ReleaseDate {
        private DateTime release_date;
 
+       public bool has_loaded { get; protected set; }
+
+       construct {
+               has_loaded = true;
+       }
+
        public GenericReleaseDate (DateTime release_date) {
                this.release_date = release_date;
        }
diff --git a/src/grilo/grilo-release-date.vala b/src/grilo/grilo-release-date.vala
index d4febe9a..1be39328 100644
--- a/src/grilo/grilo-release-date.vala
+++ b/src/grilo/grilo-release-date.vala
@@ -4,7 +4,8 @@ public class Games.GriloReleaseDate : Object, ReleaseDate {
        private GriloMedia media;
        private DateTime release_date;
        private bool resolving;
-       private bool resolved;
+
+       public bool has_loaded { get; protected set; }
 
        public GriloReleaseDate (GriloMedia media) {
                this.media = media;
@@ -13,7 +14,7 @@ public class Games.GriloReleaseDate : Object, ReleaseDate {
        }
 
        public DateTime get_release_date () {
-               if (resolving || resolved)
+               if (resolving || has_loaded)
                        return release_date;
 
                resolving = true;
@@ -33,8 +34,6 @@ public class Games.GriloReleaseDate : Object, ReleaseDate {
 
                release_date = grl_media.get_publication_date ();
 
-               resolved = true;
-
-               changed ();
+               has_loaded = true;
        }
 }