[gnome-software] Add functionality so that history objects can be added to GsApp

[Richard Hughes <rhughes src gnome org>]

commit 8b0b6c3a35094fca2e85e78fcd77ebf07c95e6f1
Author: Richard Hughes <richard hughsie com>
Date:   Wed Sep 11 13:58:40 2013 +0100

    Add functionality so that history objects can be added to GsApp

 src/gs-app.c |   28 ++++++++++++++++++++++++++--
 src/gs-app.h |    3 +++
 2 files changed, 29 insertions(+), 2 deletions(-)
---
diff --git a/src/gs-app.c b/src/gs-app.c
index d7d07d7..228e9a5 100644
--- a/src/gs-app.c
+++ b/src/gs-app.c
@@ -37,8 +37,7 @@
  * signals on the GsApp.
  *
  * Information about other #GsApp objects can be stored in this object, for
- * instance in the gs_app_add_related() method or the future method
- * gs_app_get_history().
+ * instance in the gs_app_add_related() method or gs_app_get_history().
  */
 
 #include "config.h"
@@ -71,6 +70,7 @@ struct GsAppPrivate
        GdkPixbuf               *pixbuf;
        GdkPixbuf               *featured_pixbuf;
         GPtrArray              *related; /* of GsApp */
+        GPtrArray              *history; /* of GsApp */
         guint64                  install_date;
 };
 
@@ -194,6 +194,8 @@ gs_app_to_string (GsApp *app)
 
        if (priv->related != NULL)
                g_string_append_printf (str, "\trelated:\t%i\n", priv->related->len);
+       if (priv->history->len > 0)
+               g_string_append_printf (str, "\thistory:\t%i\n", priv->history->len);
        keys = g_hash_table_get_keys (priv->metadata);
        for (l = keys; l != NULL; l = l->next) {
                tmp = g_hash_table_lookup (priv->metadata, l->data);
@@ -773,6 +775,26 @@ gs_app_add_related (GsApp *app, GsApp *app2)
        g_ptr_array_add (app->priv->related, g_object_ref (app2));
 }
 
+/**
+ * gs_app_get_history:
+ */
+GPtrArray *
+gs_app_get_history (GsApp *app)
+{
+       g_return_val_if_fail (GS_IS_APP (app), NULL);
+       return app->priv->history;
+}
+
+/**
+ * gs_app_add_history:
+ */
+void
+gs_app_add_history (GsApp *app, GsApp *app2)
+{
+       g_return_if_fail (GS_IS_APP (app));
+       g_ptr_array_add (app->priv->history, g_object_ref (app2));
+}
+
 guint64
 gs_app_get_install_date (GsApp *app)
 {
@@ -999,6 +1021,7 @@ gs_app_init (GsApp *app)
        app->priv = GS_APP_GET_PRIVATE (app);
        app->priv->rating = -1;
        app->priv->related = g_ptr_array_new_with_free_func ((GDestroyNotify) g_object_unref);
+       app->priv->history = g_ptr_array_new_with_free_func ((GDestroyNotify) g_object_unref);
        app->priv->metadata = g_hash_table_new_full (g_str_hash,
                                                     g_str_equal,
                                                     g_free,
@@ -1027,6 +1050,7 @@ gs_app_finalize (GObject *object)
        g_free (priv->management_plugin);
        g_hash_table_unref (priv->metadata);
        g_ptr_array_unref (priv->related);
+       g_ptr_array_unref (priv->history);
        if (priv->pixbuf != NULL)
                g_object_unref (priv->pixbuf);
        if (priv->featured_pixbuf != NULL)
diff --git a/src/gs-app.h b/src/gs-app.h
index 62aef8a..526d762 100644
--- a/src/gs-app.h
+++ b/src/gs-app.h
@@ -137,6 +137,9 @@ void                 gs_app_set_rating              (GsApp          *app,
 GPtrArray      *gs_app_get_related             (GsApp          *app);
 void            gs_app_add_related             (GsApp          *app,
                                                 GsApp          *app2);
+GPtrArray      *gs_app_get_history             (GsApp          *app);
+void            gs_app_add_history             (GsApp          *app,
+                                                GsApp          *app2);
 guint64          gs_app_get_install_date        (GsApp          *app);
 void             gs_app_set_install_date        (GsApp          *app,
                                                  guint64         install_date);