[gnome-software] Show installed flatpak apps in the sources dialog

[Richard Hughes <rhughes src gnome org>]

commit bab3c7dadb69e02537b8676bf9f78d8fbd2ea227
Author: Richard Hughes <richard hughsie com>
Date:   Wed Jun 1 14:12:48 2016 +0100

    Show installed flatpak apps in the sources dialog

 src/plugins/gs-flatpak.c |   35 +++++++++++++++++++++++++++++++++++
 1 files changed, 35 insertions(+), 0 deletions(-)
---
diff --git a/src/plugins/gs-flatpak.c b/src/plugins/gs-flatpak.c
index ee1b67a..79b6a3c 100644
--- a/src/plugins/gs-flatpak.c
+++ b/src/plugins/gs-flatpak.c
@@ -369,9 +369,19 @@ gs_flatpak_add_sources (GsPlugin *plugin,
                        GCancellable *cancellable,
                        GError **error)
 {
+       g_autoptr(GPtrArray) xrefs = NULL;
        g_autoptr(GPtrArray) xremotes = NULL;
        guint i;
+       guint j;
+
+       /* get installed apps and runtimes */
+       xrefs = flatpak_installation_list_installed_refs (installation,
+                                                         cancellable,
+                                                         error);
+       if (xrefs == NULL)
+               return FALSE;
 
+       /* get available remotes */
        xremotes = flatpak_installation_list_remotes (installation,
                                                      cancellable,
                                                      error);
@@ -400,6 +410,31 @@ gs_flatpak_add_sources (GsPlugin *plugin,
                                AS_URL_KIND_HOMEPAGE,
                                flatpak_remote_get_url (xremote));
                gs_app_list_add (list, app);
+
+               /* add related apps, i.e. what was installed from there */
+               for (j = 0; j < xrefs->len; j++) {
+                       FlatpakInstalledRef *xref = g_ptr_array_index (xrefs, j);
+                       g_autoptr(GError) error_local = NULL;
+                       g_autoptr(GsApp) related = NULL;
+
+                       /* only apps */
+                       if (flatpak_ref_get_kind (FLATPAK_REF (xref)) != FLATPAK_REF_KIND_APP)
+                               continue;
+                       if (g_strcmp0 (flatpak_installed_ref_get_origin (xref),
+                                      flatpak_remote_get_name (xremote)) != 0)
+                               continue;
+                       related = gs_flatpak_create_installed (plugin,
+                                                              installation,
+                                                              xref,
+                                                              &error_local);
+                       if (related == NULL) {
+                               g_warning ("failed to add flatpak: %s",
+                                          error_local->message);
+                               continue;
+                       }
+                       gs_app_set_state (related, AS_APP_STATE_INSTALLED);
+                       gs_app_add_related (app, related);
+               }
        }
        return TRUE;
 }