[gnome-software/wip/rancell/ubuntu-3-20-rebase: 14/33] Only request appstream refresh while window is visible



commit ef961329b25407d9dd867f5a03d47b2068de51d7
Author: William Hua <william hua canonical com>
Date:   Fri Apr 15 08:00:38 2016 -0400

    Only request appstream refresh while window is visible

 src/gs-application.c              |   82 ++++++++++++++++++++++++++++++++++++-
 src/plugins/gs-plugin-appstream.c |   16 +++++++
 2 files changed, 97 insertions(+), 1 deletions(-)
---
diff --git a/src/gs-application.c b/src/gs-application.c
index b322757..71c2aef 100644
--- a/src/gs-application.c
+++ b/src/gs-application.c
@@ -245,15 +245,95 @@ gs_application_dbus_unregister (GApplication    *application,
 }
 
 static void
+refreshed_cb (GObject      *source_object,
+             GAsyncResult *res,
+             gpointer      user_data)
+{
+       GsPluginLoader *loader = GS_PLUGIN_LOADER (source_object);
+
+       if (gs_plugin_loader_refresh_finish (loader, res, NULL)) {
+               gs_plugin_loader_refresh_async (loader,
+                                               0,
+                                               GS_PLUGIN_REFRESH_FLAGS_UPDATES,
+                                               NULL,
+                                               NULL,
+                                               NULL);
+       }
+}
+
+static void
+start_refresh (GsApplication *app)
+{
+       g_action_group_activate_action (G_ACTION_GROUP (app),
+                                       "set-mode",
+                                       g_variant_new_string ("updates"));
+
+       gs_plugin_loader_refresh_async (gs_application_get_plugin_loader (app),
+                                       0,
+                                       GS_PLUGIN_REFRESH_FLAGS_UPDATES,
+                                       NULL,
+                                       refreshed_cb,
+                                       app);
+}
+
+#define APP_INFO_PATH "/var/lib/app-info"
+
+static gboolean
+needs_refresh (void)
+{
+       g_autoptr(GDir) dir = g_dir_open (APP_INFO_PATH, 0, NULL);
+
+       return dir == NULL || g_dir_read_name (dir) == NULL;
+}
+
+static gboolean
+ask_refresh (gpointer user_data)
+{
+       GsApplication *app = user_data;
+       GtkWindow *parent;
+       GtkWidget *dialog;
+
+       parent = gtk_application_get_active_window (GTK_APPLICATION (app));
+
+       if (gtk_widget_is_visible (GTK_WIDGET (parent))) {
+               dialog = gtk_message_dialog_new (parent,
+                                                GTK_DIALOG_MODAL |
+                                                GTK_DIALOG_DESTROY_WITH_PARENT,
+                                                GTK_MESSAGE_QUESTION,
+                                                GTK_BUTTONS_YES_NO,
+                                                _("An update is needed to show all installable apps. 
Download now?"));
+
+               if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_YES)
+                       start_refresh (app);
+
+               gtk_widget_destroy (dialog);
+       }
+
+       return G_SOURCE_REMOVE;
+}
+
+static void
+first_run_dialog_destroyed_cb (GtkWidget *object,
+                              gpointer   user_data)
+{
+       g_signal_handlers_disconnect_by_data (object, user_data);
+
+       if (needs_refresh ())
+               gdk_threads_add_idle (ask_refresh, user_data);
+}
+
+static void
 gs_application_show_first_run_dialog (GsApplication *app)
 {
        GtkWidget *dialog;
 
        if (g_settings_get_boolean (app->settings, "first-run") == TRUE) {
                dialog = gs_first_run_dialog_new ();
+               g_signal_connect (dialog, "destroy", G_CALLBACK (first_run_dialog_destroyed_cb), app);
                gs_shell_modal_dialog_present (app->shell, GTK_DIALOG (dialog));
                g_settings_set_boolean (app->settings, "first-run", FALSE);
-       }
+       } else if (needs_refresh ())
+               gdk_threads_add_idle (ask_refresh, app);
 }
 
 static void
diff --git a/src/plugins/gs-plugin-appstream.c b/src/plugins/gs-plugin-appstream.c
index bcb0be3..5c63ccd 100644
--- a/src/plugins/gs-plugin-appstream.c
+++ b/src/plugins/gs-plugin-appstream.c
@@ -68,6 +68,22 @@ gs_plugin_appstream_store_changed_cb (AsStore *store, GsPlugin *plugin)
        gs_plugin_updates_changed (plugin);
 }
 
+static gboolean gs_plugin_appstream_startup (GsPlugin *plugin, GError **error);
+
+gboolean
+gs_plugin_refresh (GsPlugin              *plugin,
+                  guint                  cache_age,
+                  GsPluginRefreshFlags   flags,
+                  GCancellable          *cancellable,
+                  GError               **error)
+{
+       plugin->priv->done_init = FALSE;
+       gs_plugin_appstream_startup (plugin, NULL);
+       gs_plugin_updates_changed (plugin);
+
+       return TRUE;
+}
+
 /**
  * gs_plugin_initialize:
  */


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