[gnome-software] Allow private userdata to be saved on a GsApp

[Richard Hughes <rhughes src gnome org>]

commit 006038f164ffcd513f66734b4df5c87bf54d7111
Author: Richard Hughes <richard hughsie com>
Date:   Fri Sep 6 16:09:30 2013 +0100

    Allow private userdata to be saved on a GsApp
    
    We don't want to duplicate every string if it's possibly the same on 2000 applications.

 src/plugins/appstream-app.c |   25 +++++++++++++++++++++++++
 src/plugins/appstream-app.h |    5 +++++
 2 files changed, 30 insertions(+), 0 deletions(-)
---
diff --git a/src/plugins/appstream-app.c b/src/plugins/appstream-app.c
index 932f8ab..bef5db9 100644
--- a/src/plugins/appstream-app.c
+++ b/src/plugins/appstream-app.c
@@ -34,6 +34,8 @@ struct AppstreamApp
        gchar                   *icon;
        AppstreamAppIconKind     icon_kind;
        GPtrArray               *appcategories;
+       gpointer                 userdata;
+       GDestroyNotify           userdata_destroy_func;
 };
 
 /**
@@ -50,10 +52,33 @@ appstream_app_free (AppstreamApp *app)
        g_free (app->description);
        g_free (app->icon);
        g_ptr_array_unref (app->appcategories);
+       if (app->userdata_destroy_func != NULL)
+               app->userdata_destroy_func (app->userdata);
        g_slice_free (AppstreamApp, app);
 }
 
 /**
+ * appstream_app_get_userdata:
+ */
+gpointer
+appstream_app_get_userdata (AppstreamApp *app)
+{
+       return app->userdata;
+}
+
+/**
+ * appstream_app_set_userdata:
+ */
+void
+appstream_app_set_userdata (AppstreamApp *app,
+                           gpointer userdata,
+                           GDestroyNotify userdata_destroy_func)
+{
+       app->userdata = userdata;
+       app->userdata_destroy_func = userdata_destroy_func;
+}
+
+/**
  * appstream_app_new:
  */
 AppstreamApp *
diff --git a/src/plugins/appstream-app.h b/src/plugins/appstream-app.h
index fcd4d29..f37a6a4 100644
--- a/src/plugins/appstream-app.h
+++ b/src/plugins/appstream-app.h
@@ -76,6 +76,11 @@ void          appstream_app_add_category             (AppstreamApp   *app,
 void            appstream_app_set_icon_kind            (AppstreamApp   *app,
                                                         AppstreamAppIconKind icon_kind);
 
+gpointer        appstream_app_get_userdata             (AppstreamApp   *app);
+void            appstream_app_set_userdata             (AppstreamApp   *app,
+                                                        gpointer        userdata,
+                                                        GDestroyNotify  userdata_destroy_func);
+
 G_END_DECLS
 
 #endif /* __APPSTREAM_APP_H */