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From de07cbc69b8f64b1a7708f454f029814d3c48b10 Mon Sep 17 00:00:00 2001
From: Michael Catanzaro <mcatanzaro@igalia.com>
Date: Thu, 15 Feb 2018 21:08:38 -0600
Subject: [PATCH] Reduce initial setup redundancy

This contains patches from these bugs:

https://bugzilla.gnome.org/show_bug.cgi?id=793501
https://bugzilla.gnome.org/show_bug.cgi?id=794166

modified a bit to not conflict with each other.

This is a combination of work by Peng Wu and Michael Catanzaro.
---
 gnome-initial-setup/gis-assistant.c                |   3 +-
 gnome-initial-setup/gis-page.c                     |   8 +
 gnome-initial-setup/gis-page.h                     |   2 +
 gnome-initial-setup/gnome-initial-setup.c          |  77 +++++++--
 .../pages/account/gis-account-page.h               |   2 -
 .../pages/account/gis-account-pages.c              |   9 +-
 .../pages/account/gis-account-pages.h              |   2 +-
 gnome-initial-setup/pages/eulas/gis-eula-pages.c   |  16 +-
 gnome-initial-setup/pages/eulas/gis-eula-pages.h   |   2 +-
 gnome-initial-setup/pages/goa/gis-goa-page.c       |   9 +-
 gnome-initial-setup/pages/goa/gis-goa-page.h       |   2 +-
 .../pages/keyboard/gis-keyboard-page.c             | 185 ++++++++++++++++-----
 .../pages/keyboard/gis-keyboard-page.h             |   2 +-
 .../pages/language/gis-language-page.c             |  24 ++-
 .../pages/language/gis-language-page.h             |   3 +-
 .../pages/language/gis-language-page.ui            |   4 +-
 .../pages/network/gis-network-page.c               |   9 +-
 .../pages/network/gis-network-page.h               |   2 +-
 .../pages/password/gis-password-page.c             |   9 +-
 .../pages/password/gis-password-page.h             |   2 +-
 .../pages/privacy/gis-privacy-page.c               |   9 +-
 .../pages/privacy/gis-privacy-page.h               |   2 +-
 gnome-initial-setup/pages/region/gis-region-page.c |   9 +-
 gnome-initial-setup/pages/region/gis-region-page.h |   2 +-
 .../pages/software/gis-software-page.c             |  14 +-
 .../pages/software/gis-software-page.h             |   2 +-
 .../pages/summary/gis-summary-page.c               |   9 +-
 .../pages/summary/gis-summary-page.h               |   2 +-
 .../pages/timezone/gis-timezone-page.c             |   9 +-
 .../pages/timezone/gis-timezone-page.h             |   2 +-
 30 files changed, 296 insertions(+), 136 deletions(-)

diff --git a/gnome-initial-setup/gis-assistant.c b/gnome-initial-setup/gis-assistant.c
index 37ed563..0a3bd05 100644
--- a/gnome-initial-setup/gis-assistant.c
+++ b/gnome-initial-setup/gis-assistant.c
@@ -302,7 +302,8 @@ gis_assistant_add_page (GisAssistant *assistant,
 
   gtk_container_add (GTK_CONTAINER (priv->stack), GTK_WIDGET (page));
 
-  if (priv->current_page->assistant_priv->link == link->prev)
+  if (priv->current_page &&
+      priv->current_page->assistant_priv->link == link->prev)
     update_navigation_buttons (assistant);
 }
 
diff --git a/gnome-initial-setup/gis-page.c b/gnome-initial-setup/gis-page.c
index e28f573..8564935 100644
--- a/gnome-initial-setup/gis-page.c
+++ b/gnome-initial-setup/gis-page.c
@@ -382,3 +382,11 @@ gis_page_shown (GisPage *page)
   if (GIS_PAGE_GET_CLASS (page)->shown)
     GIS_PAGE_GET_CLASS (page)->shown (page);
 }
+
+gboolean
+gis_page_skip (GisPage *page)
+{
+  if (GIS_PAGE_GET_CLASS (page)->skip)
+    return GIS_PAGE_GET_CLASS (page)->skip (page);
+  return TRUE;
+}
diff --git a/gnome-initial-setup/gis-page.h b/gnome-initial-setup/gis-page.h
index 02e3085..1f11578 100644
--- a/gnome-initial-setup/gis-page.h
+++ b/gnome-initial-setup/gis-page.h
@@ -60,6 +60,7 @@ struct _GisPageClass
                          GCancellable *cancellable);
   void         (*save_data) (GisPage *page);
   void         (*shown) (GisPage *page);
+  gboolean     (*skip) (GisPage *page);
 };
 
 GType gis_page_get_type (void);
@@ -80,6 +81,7 @@ void         gis_page_apply_complete (GisPage *page, gboolean valid);
 gboolean     gis_page_get_applying (GisPage *page);
 void         gis_page_save_data (GisPage *page);
 void         gis_page_shown (GisPage *page);
+gboolean     gis_page_skip (GisPage *page);
 
 G_END_DECLS
 
diff --git a/gnome-initial-setup/gnome-initial-setup.c b/gnome-initial-setup/gnome-initial-setup.c
index 5a988a3..4558810 100644
--- a/gnome-initial-setup/gnome-initial-setup.c
+++ b/gnome-initial-setup/gnome-initial-setup.c
@@ -50,11 +50,15 @@
 #include "pages/summary/gis-summary-page.h"
 
 #define VENDOR_PAGES_GROUP "pages"
-#define VENDOR_PAGES_SKIP_KEY "skip"
+#define VENDOR_SKIP_KEY "skip"
+#define VENDOR_NEW_USER_ONLY_KEY "new_user_only"
+#define VENDOR_EXISTING_USER_ONLY_KEY "existing_user_only"
 
 static gboolean force_existing_user_mode;
 
-typedef void (*PreparePage) (GisDriver *driver);
+static GPtrArray *skipped_pages;
+
+typedef GisPage *(*PreparePage) (GisDriver *driver);
 
 typedef struct {
   const gchar *page_id;
@@ -101,21 +105,40 @@ should_skip_page (GisDriver    *driver,
 }
 
 static gchar **
-pages_to_skip_from_file (void)
+strv_append (gchar **a,
+             gchar **b)
+{
+  guint n = g_strv_length (a);
+  guint m = g_strv_length (b);
+
+  a = g_renew (gchar *, a, n + m + 1);
+  for (guint i = 0; i < m; i++)
+    a[n + i] = g_strdup (b[i]);
+  a[n + m] = NULL;
+
+  return a;
+}
+
+static gchar **
+pages_to_skip_from_file (gboolean is_new_user)
 {
   GKeyFile *skip_pages_file;
   gchar **skip_pages = NULL;
+  gchar **additional_skip_pages = NULL;
   GError *error = NULL;
 
   /* VENDOR_CONF_FILE points to a keyfile containing vendor customization
    * options. This code will look for options under the "pages" group, and
    * supports the following keys:
-   *   - skip (optional): list of pages to be skipped.
+   *   - skip (optional): list of pages to be skipped always
+   *   - new_user_only (optional): list of pages to be skipped in existing user mode
+   *   - existing_user_only (optional): list of pages to be skipped in new user mode
    *
-   * This is how this file would look on a vendor image:
+   * This is how this file might look on a vendor image:
    *
    *   [pages]
-   *   skip=language
+   *   skip=timezone
+   *   existing_user_only=language;keyboard
    */
   skip_pages_file = g_key_file_new ();
   if (!g_key_file_load_from_file (skip_pages_file, VENDOR_CONF_FILE,
@@ -127,8 +150,20 @@ pages_to_skip_from_file (void)
     goto out;
   }
 
-  skip_pages = g_key_file_get_string_list (skip_pages_file, VENDOR_PAGES_GROUP,
-                                           VENDOR_PAGES_SKIP_KEY, NULL, NULL);
+  skip_pages = g_key_file_get_string_list (skip_pages_file,
+                                           VENDOR_PAGES_GROUP,
+                                           VENDOR_SKIP_KEY, NULL, NULL);
+  additional_skip_pages = g_key_file_get_string_list (skip_pages_file,
+                                                      VENDOR_PAGES_GROUP,
+                                                      is_new_user ? VENDOR_EXISTING_USER_ONLY_KEY : VENDOR_NEW_USER_ONLY_KEY,
+                                                      NULL, NULL);
+
+  if (!skip_pages && additional_skip_pages) {
+    skip_pages = additional_skip_pages;
+  } else if (skip_pages && additional_skip_pages) {
+    skip_pages = strv_append (skip_pages, additional_skip_pages);
+    g_strfreev (additional_skip_pages);
+  }
 
  out:
   g_key_file_free (skip_pages_file);
@@ -159,16 +194,14 @@ static void
 rebuild_pages_cb (GisDriver *driver)
 {
   PageData *page_data;
+  GisPage *page;
   GisAssistant *assistant;
   GisPage *current_page;
   gchar **skip_pages;
-  gboolean is_new_user;
+  gboolean is_new_user, skipped;
 
   assistant = gis_driver_get_assistant (driver);
   current_page = gis_assistant_get_current_page (assistant);
-
-  skip_pages = pages_to_skip_from_file ();
-
   page_data = page_table;
 
   if (current_page != NULL) {
@@ -182,14 +215,23 @@ rebuild_pages_cb (GisDriver *driver)
   }
 
   is_new_user = (gis_driver_get_mode (driver) == GIS_DRIVER_MODE_NEW_USER);
+  skip_pages = pages_to_skip_from_file (is_new_user);
+
   for (; page_data->page_id != NULL; ++page_data) {
-    if (page_data->new_user_only && !is_new_user)
-      continue;
+    skipped = FALSE;
+
+    if ((page_data->new_user_only && !is_new_user) ||
+        (should_skip_page (driver, page_data->page_id, skip_pages)))
+      skipped = TRUE;
 
-    if (should_skip_page (driver, page_data->page_id, skip_pages))
+    page = page_data->prepare_page_func (driver);
+    if (!page)
       continue;
 
-    page_data->prepare_page_func (driver);
+    if (skipped && gis_page_skip (page))
+      g_ptr_array_add (skipped_pages, page);
+    else
+      gis_driver_add_page (driver, page);
   }
 
   g_strfreev (skip_pages);
@@ -267,6 +309,7 @@ main (int argc, char *argv[])
   }
 #endif
 
+  skipped_pages = g_ptr_array_new_with_free_func ((GDestroyNotify)gtk_widget_destroy);
   mode = get_mode ();
 
   /* We only do this in existing-user mode, because if gdm launches us
@@ -290,6 +333,8 @@ main (int argc, char *argv[])
   g_signal_connect (driver, "rebuild-pages", G_CALLBACK (rebuild_pages_cb), NULL);
   status = g_application_run (G_APPLICATION (driver), argc, argv);
 
+  g_ptr_array_free (skipped_pages, TRUE);
+
   g_object_unref (driver);
   g_option_context_free (context);
   return status;
diff --git a/gnome-initial-setup/pages/account/gis-account-page.h b/gnome-initial-setup/pages/account/gis-account-page.h
index cc34304..7629e1a 100644
--- a/gnome-initial-setup/pages/account/gis-account-page.h
+++ b/gnome-initial-setup/pages/account/gis-account-page.h
@@ -50,8 +50,6 @@ struct _GisAccountPageClass
 
 GType gis_account_page_get_type (void);
 
-void gis_prepare_account_page (GisDriver *driver);
-
 G_END_DECLS
 
 #endif /* __GIS_ACCOUNT_PAGE_H__ */
diff --git a/gnome-initial-setup/pages/account/gis-account-pages.c b/gnome-initial-setup/pages/account/gis-account-pages.c
index 5f4411b..d9cc8d9 100644
--- a/gnome-initial-setup/pages/account/gis-account-pages.c
+++ b/gnome-initial-setup/pages/account/gis-account-pages.c
@@ -23,11 +23,10 @@
 #include "gis-account-pages.h"
 #include "gis-account-page.h"
 
-void
+GisPage *
 gis_prepare_account_page (GisDriver *driver)
 {
-  gis_driver_add_page (driver,
-                       g_object_new (GIS_TYPE_ACCOUNT_PAGE,
-                                     "driver", driver,
-                                     NULL));
+  return g_object_new (GIS_TYPE_ACCOUNT_PAGE,
+                       "driver", driver,
+                       NULL);
 }
diff --git a/gnome-initial-setup/pages/account/gis-account-pages.h b/gnome-initial-setup/pages/account/gis-account-pages.h
index 20d615a..394421b 100644
--- a/gnome-initial-setup/pages/account/gis-account-pages.h
+++ b/gnome-initial-setup/pages/account/gis-account-pages.h
@@ -28,7 +28,7 @@
 
 G_BEGIN_DECLS
 
-void gis_prepare_account_page (GisDriver *driver);
+GisPage *gis_prepare_account_page (GisDriver *driver);
 
 G_END_DECLS
 
diff --git a/gnome-initial-setup/pages/eulas/gis-eula-pages.c b/gnome-initial-setup/pages/eulas/gis-eula-pages.c
index 8c989c2..3de6653 100644
--- a/gnome-initial-setup/pages/eulas/gis-eula-pages.c
+++ b/gnome-initial-setup/pages/eulas/gis-eula-pages.c
@@ -25,7 +25,7 @@
 #include "gis-eula-pages.h"
 #include "gis-eula-page.h"
 
-void
+GisPage *
 gis_prepare_eula_page (GisDriver *driver)
 {
   gchar *eulas_dir_path;
@@ -33,6 +33,7 @@ gis_prepare_eula_page (GisDriver *driver)
   GError *error = NULL;
   GFileEnumerator *enumerator = NULL;
   GFileInfo *info;
+  GisPage *page = NULL;
 
   eulas_dir_path = g_build_filename (PKGDATADIR, "eulas", NULL);
   eulas_dir = g_file_new_for_path (eulas_dir_path);
@@ -52,11 +53,12 @@ gis_prepare_eula_page (GisDriver *driver)
 
   while ((info = g_file_enumerator_next_file (enumerator, NULL, &error)) != NULL) {
     GFile *eula = g_file_enumerator_get_child (enumerator, info);
-    gis_driver_add_page (driver,
-                         g_object_new (GIS_TYPE_EULA_PAGE,
-                                       "driver", driver,
-                                       "eula", eula,
-                                       NULL));
+
+    page = g_object_new (GIS_TYPE_EULA_PAGE,
+                         "driver", driver,
+                         "eula", eula,
+                         NULL);
+
     g_object_unref (eula);
   }
 
@@ -71,4 +73,6 @@ gis_prepare_eula_page (GisDriver *driver)
 
   g_object_unref (eulas_dir);
   g_clear_object (&enumerator);
+
+  return page;
 }
diff --git a/gnome-initial-setup/pages/eulas/gis-eula-pages.h b/gnome-initial-setup/pages/eulas/gis-eula-pages.h
index 9424a6d..54906bc 100644
--- a/gnome-initial-setup/pages/eulas/gis-eula-pages.h
+++ b/gnome-initial-setup/pages/eulas/gis-eula-pages.h
@@ -28,7 +28,7 @@
 
 G_BEGIN_DECLS
 
-void gis_prepare_eula_page (GisDriver *driver);
+GisPage *gis_prepare_eula_page (GisDriver *driver);
 
 G_END_DECLS
 
diff --git a/gnome-initial-setup/pages/goa/gis-goa-page.c b/gnome-initial-setup/pages/goa/gis-goa-page.c
index fcdcabe..3ed4e98 100644
--- a/gnome-initial-setup/pages/goa/gis-goa-page.c
+++ b/gnome-initial-setup/pages/goa/gis-goa-page.c
@@ -363,11 +363,10 @@ gis_goa_page_init (GisGoaPage *page)
   gtk_widget_init_template (GTK_WIDGET (page));
 }
 
-void
+GisPage *
 gis_prepare_goa_page (GisDriver *driver)
 {
-  gis_driver_add_page (driver,
-                       g_object_new (GIS_TYPE_GOA_PAGE,
-                                     "driver", driver,
-                                     NULL));
+  return g_object_new (GIS_TYPE_GOA_PAGE,
+                       "driver", driver,
+                       NULL);
 }
diff --git a/gnome-initial-setup/pages/goa/gis-goa-page.h b/gnome-initial-setup/pages/goa/gis-goa-page.h
index e65aa28..31918bf 100644
--- a/gnome-initial-setup/pages/goa/gis-goa-page.h
+++ b/gnome-initial-setup/pages/goa/gis-goa-page.h
@@ -48,7 +48,7 @@ struct _GisGoaPageClass
 
 GType gis_goa_page_get_type (void);
 
-void gis_prepare_goa_page (GisDriver *driver);
+GisPage *gis_prepare_goa_page (GisDriver *driver);
 
 G_END_DECLS
 
diff --git a/gnome-initial-setup/pages/keyboard/gis-keyboard-page.c b/gnome-initial-setup/pages/keyboard/gis-keyboard-page.c
index 91d9a25..445da30 100644
--- a/gnome-initial-setup/pages/keyboard/gis-keyboard-page.c
+++ b/gnome-initial-setup/pages/keyboard/gis-keyboard-page.c
@@ -30,6 +30,9 @@
 #include <gtk/gtk.h>
 #include <polkit/polkit.h>
 
+#define GNOME_DESKTOP_USE_UNSTABLE_API
+#include <libgnome-desktop/gnome-languages.h>
+
 #include "gis-keyboard-page.h"
 #include "keyboard-resources.h"
 #include "cc-input-chooser.h"
@@ -208,53 +211,145 @@ gis_keyboard_page_apply (GisPage      *page,
         return FALSE;
 }
 
+static GSList *
+get_localed_input (GDBusProxy *proxy)
+{
+    GVariant *v;
+    const gchar *s;
+    gchar *id;
+    guint i, n;
+    gchar **layouts = NULL;
+    gchar **variants = NULL;
+    GSList *sources = NULL;
+
+    if (!proxy)
+        return NULL;
+
+    v = g_dbus_proxy_get_cached_property (proxy, "X11Layout");
+    if (v) {
+        s = g_variant_get_string (v, NULL);
+        layouts = g_strsplit (s, ",", -1);
+        g_variant_unref (v);
+    }
+
+    v = g_dbus_proxy_get_cached_property (proxy, "X11Variant");
+    if (v) {
+        s = g_variant_get_string (v, NULL);
+        if (s && *s)
+            variants = g_strsplit (s, ",", -1);
+        g_variant_unref (v);
+    }
+
+    if (variants && variants[0])
+        n = MIN (g_strv_length (layouts), g_strv_length (variants));
+    else if (layouts && layouts[0])
+        n = g_strv_length (layouts);
+    else
+        n = 0;
+
+    for (i = 0; i < n && layouts[i][0]; i++) {
+        if (variants && variants[i] && variants[i][0])
+            id = g_strdup_printf ("%s+%s", layouts[i], variants[i]);
+        else
+            id = g_strdup (layouts[i]);
+        sources = g_slist_prepend (sources, id);
+    }
+
+    g_strfreev (variants);
+    g_strfreev (layouts);
+
+    return sources;
+}
+
 static void
-load_localed_input (GisKeyboardPage *self)
+add_default_keyboard_layout (GDBusProxy      *proxy,
+                             GVariantBuilder *builder)
 {
-	GisKeyboardPagePrivate *priv = gis_keyboard_page_get_instance_private (self);
-        GVariant *v;
-        const gchar *s;
-        gchar *id;
-        guint i, n;
-        gchar **layouts = NULL;
-        gchar **variants = NULL;
-        GSList *sources = NULL;
+    GSList *sources = get_localed_input (proxy);
+    sources = g_slist_reverse (sources);
 
-        if (!priv->localed)
-                return;
+    for (; sources; sources = sources->next)
+        g_variant_builder_add (builder, "(ss)", "xkb",
+                               (const gchar *) sources->data);
 
-        v = g_dbus_proxy_get_cached_property (priv->localed, "X11Layout");
-        if (v) {
-                s = g_variant_get_string (v, NULL);
-                layouts = g_strsplit (s, ",", -1);
-                g_variant_unref (v);
-        }
+    g_slist_free_full (sources, g_free);
+}
 
-        v = g_dbus_proxy_get_cached_property (priv->localed, "X11Variant");
-        if (v) {
-                s = g_variant_get_string (v, NULL);
-                if (s && *s)
-                        variants = g_strsplit (s, ",", -1);
-                g_variant_unref (v);
-        }
+static void
+add_default_input_sources (GisKeyboardPage *self,
+                           GDBusProxy      *proxy)
+{
+    const gchar *type;
+    const gchar *id;
+    const gchar * const *locales;
+    const gchar *language;
+    GVariantBuilder builder;
+    GSettings *input_settings;
+
+    input_settings = g_settings_new (GNOME_DESKTOP_INPUT_SOURCES_DIR);
+    g_variant_builder_init (&builder, G_VARIANT_TYPE ("a(ss)"));
+
+    add_default_keyboard_layout (proxy, &builder);
+
+    /* add other input sources */
+    locales = g_get_language_names ();
+    language = locales[0];
+    if (gnome_get_input_source_from_locale (language, &type, &id)) {
+        if (!g_str_equal (type, "xkb"))
+            g_variant_builder_add (&builder, "(ss)", type, id);
+    }
+
+    g_settings_delay (input_settings);
+    g_settings_set_value (input_settings, KEY_INPUT_SOURCES, g_variant_builder_end (&builder));
+    g_settings_set_uint (input_settings, KEY_CURRENT_INPUT_SOURCE, 0);
+    g_settings_apply (input_settings);
+
+    g_object_unref (input_settings);
+}
 
-        if (variants && variants[0])
-                n = MIN (g_strv_length (layouts), g_strv_length (variants));
-        else if (layouts && layouts[0])
-                n = g_strv_length (layouts);
-        else
-                n = 0;
-
-        for (i = 0; i < n && layouts[i][0]; i++) {
-                if (variants && variants[i] && variants[i][0])
-                        id = g_strdup_printf ("%s+%s", layouts[i], variants[i]);
-                else
-                        id = g_strdup (layouts[i]);
-                sources = g_slist_prepend (sources, id);
-        }
+static void
+skip_proxy_ready (GObject      *source,
+                  GAsyncResult *res,
+                  gpointer      data)
+{
+    GisKeyboardPage *self = data;
+    GDBusProxy *proxy;
+    GError *error = NULL;
+
+    proxy = g_dbus_proxy_new_finish (res, &error);
+
+    if (!proxy) {
+        if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+                g_warning ("Failed to contact localed: %s", error->message);
+        g_error_free (error);
+        return;
+    }
+
+    add_default_input_sources (self, proxy);
+
+    g_object_unref (proxy);
+}
 
-        g_strfreev (variants);
-        g_strfreev (layouts);
+static gboolean
+gis_keyboard_page_skip (GisPage *self)
+{
+    g_dbus_proxy_new_for_bus (G_BUS_TYPE_SYSTEM,
+                              G_DBUS_PROXY_FLAGS_GET_INVALIDATED_PROPERTIES,
+                              NULL,
+                              "org.freedesktop.locale1",
+                              "/org/freedesktop/locale1",
+                              "org.freedesktop.locale1",
+                              NULL,
+                              (GAsyncReadyCallback) skip_proxy_ready,
+                              self);
+    return TRUE;
+}
+
+static void
+load_localed_input (GisKeyboardPage *self)
+{
+	GisKeyboardPagePrivate *priv = gis_keyboard_page_get_instance_private (self);
+        GSList * sources = get_localed_input (priv->localed);
 
         /* These will be added silently after the user selection when
          * writing out the settings. */
@@ -375,6 +470,7 @@ gis_keyboard_page_class_init (GisKeyboardPageClass * klass)
 
         page_class->page_id = PAGE_ID;
         page_class->apply = gis_keyboard_page_apply;
+        page_class->skip = gis_keyboard_page_skip;
         page_class->locale_changed = gis_keyboard_page_locale_changed;
         object_class->constructed = gis_keyboard_page_constructed;
 	object_class->finalize = gis_keyboard_page_finalize;
@@ -389,11 +485,10 @@ gis_keyboard_page_init (GisKeyboardPage *self)
         gtk_widget_init_template (GTK_WIDGET (self));
 }
 
-void
+GisPage *
 gis_prepare_keyboard_page (GisDriver *driver)
 {
-  gis_driver_add_page (driver,
-                       g_object_new (GIS_TYPE_KEYBOARD_PAGE,
-                                     "driver", driver,
-                                     NULL));
+  return g_object_new (GIS_TYPE_KEYBOARD_PAGE,
+                       "driver", driver,
+                       NULL);
 }
diff --git a/gnome-initial-setup/pages/keyboard/gis-keyboard-page.h b/gnome-initial-setup/pages/keyboard/gis-keyboard-page.h
index 832473f..d5710a0 100644
--- a/gnome-initial-setup/pages/keyboard/gis-keyboard-page.h
+++ b/gnome-initial-setup/pages/keyboard/gis-keyboard-page.h
@@ -63,7 +63,7 @@ struct _GisKeyboardPageClass
 
 GType gis_keyboard_page_get_type (void) G_GNUC_CONST;
 
-void gis_prepare_keyboard_page (GisDriver *driver);
+GisPage *gis_prepare_keyboard_page (GisDriver *driver);
 
 G_END_DECLS
 
diff --git a/gnome-initial-setup/pages/language/gis-language-page.c b/gnome-initial-setup/pages/language/gis-language-page.c
index 6e246f9..c5f895c 100644
--- a/gnome-initial-setup/pages/language/gis-language-page.c
+++ b/gnome-initial-setup/pages/language/gis-language-page.c
@@ -267,6 +267,8 @@ gis_language_page_constructed (GObject *object)
 
   update_distro_logo (page);
 
+  gtk_widget_show (priv->language_chooser);
+
   g_signal_connect (priv->language_chooser, "notify::language",
                     G_CALLBACK (language_changed), page);
   g_signal_connect (priv->language_chooser, "confirm",
@@ -288,7 +290,7 @@ gis_language_page_constructed (GObject *object)
                         (GAsyncReadyCallback) localed_proxy_ready,
                         object);
       g_object_unref (bus);
-  }
+    }
 
   gis_page_set_complete (GIS_PAGE (page), TRUE);
   gtk_widget_show (GTK_WIDGET (page));
@@ -300,6 +302,16 @@ gis_language_page_locale_changed (GisPage *page)
   gis_page_set_title (GIS_PAGE (page), _("Welcome"));
 }
 
+static gboolean
+gis_language_page_skip (GisPage *page)
+{
+  GisLanguagePagePrivate *priv = gis_language_page_get_instance_private (GIS_LANGUAGE_PAGE (page));
+
+  gtk_widget_hide (priv->language_chooser);
+
+  return FALSE;
+}
+
 static void
 gis_language_page_dispose (GObject *object)
 {
@@ -327,6 +339,7 @@ gis_language_page_class_init (GisLanguagePageClass *klass)
 
   page_class->page_id = PAGE_ID;
   page_class->locale_changed = gis_language_page_locale_changed;
+  page_class->skip = gis_language_page_skip;
   object_class->constructed = gis_language_page_constructed;
   object_class->dispose = gis_language_page_dispose;
 }
@@ -341,11 +354,10 @@ gis_language_page_init (GisLanguagePage *page)
   gtk_widget_init_template (GTK_WIDGET (page));
 }
 
-void
+GisPage *
 gis_prepare_language_page (GisDriver *driver)
 {
-  gis_driver_add_page (driver,
-                       g_object_new (GIS_TYPE_LANGUAGE_PAGE,
-                                     "driver", driver,
-                                     NULL));
+  return g_object_new (GIS_TYPE_LANGUAGE_PAGE,
+                       "driver", driver,
+                       NULL);
 }
diff --git a/gnome-initial-setup/pages/language/gis-language-page.h b/gnome-initial-setup/pages/language/gis-language-page.h
index 37b33ab..a5b78ff 100644
--- a/gnome-initial-setup/pages/language/gis-language-page.h
+++ b/gnome-initial-setup/pages/language/gis-language-page.h
@@ -50,7 +50,8 @@ struct _GisLanguagePageClass
 
 GType gis_language_page_get_type (void);
 
-void gis_prepare_language_page (GisDriver *driver);
+GisPage *gis_prepare_language_page (GisDriver *driver);
+GisPage *gis_prepare_language_page_without_language_selection (GisDriver *driver);
 
 G_END_DECLS
 
diff --git a/gnome-initial-setup/pages/language/gis-language-page.ui b/gnome-initial-setup/pages/language/gis-language-page.ui
index 1b98a6d..d5e962a 100644
--- a/gnome-initial-setup/pages/language/gis-language-page.ui
+++ b/gnome-initial-setup/pages/language/gis-language-page.ui
@@ -7,7 +7,7 @@
         <property name="visible">True</property>
         <property name="orientation">vertical</property>
         <property name="halign">center</property>
-        <property name="valign">fill</property>
+        <property name="valign">center</property>
         <child>
           <object class="GtkImage" id="logo">
             <property name="visible" bind-source="GisLanguagePage" bind-property="small-screen" bind-flags="invert-boolean|sync-create"/>
@@ -30,7 +30,7 @@
           <object class="CcLanguageChooser" id="language_chooser">
             <property name="margin_bottom">18</property>
             <property name="width_request">400</property>
-            <property name="visible">True</property>
+            <property name="visible">False</property>
             <property name="valign">start</property>
           </object>
         </child>
diff --git a/gnome-initial-setup/pages/network/gis-network-page.c b/gnome-initial-setup/pages/network/gis-network-page.c
index 0beae26..29fc523 100644
--- a/gnome-initial-setup/pages/network/gis-network-page.c
+++ b/gnome-initial-setup/pages/network/gis-network-page.c
@@ -691,11 +691,10 @@ gis_network_page_init (GisNetworkPage *page)
   gtk_widget_init_template (GTK_WIDGET (page));
 }
 
-void
+GisPage *
 gis_prepare_network_page (GisDriver *driver)
 {
-  gis_driver_add_page (driver,
-                       g_object_new (GIS_TYPE_NETWORK_PAGE,
-                                     "driver", driver,
-                                     NULL));
+  return g_object_new (GIS_TYPE_NETWORK_PAGE,
+                       "driver", driver,
+                       NULL);
 }
diff --git a/gnome-initial-setup/pages/network/gis-network-page.h b/gnome-initial-setup/pages/network/gis-network-page.h
index cdb1798..172b7d1 100644
--- a/gnome-initial-setup/pages/network/gis-network-page.h
+++ b/gnome-initial-setup/pages/network/gis-network-page.h
@@ -48,7 +48,7 @@ struct _GisNetworkPageClass
 
 GType gis_network_page_get_type (void);
 
-void gis_prepare_network_page (GisDriver *driver);
+GisPage *gis_prepare_network_page (GisDriver *driver);
 
 G_END_DECLS
 
diff --git a/gnome-initial-setup/pages/password/gis-password-page.c b/gnome-initial-setup/pages/password/gis-password-page.c
index cefa30e..cf3db9e 100644
--- a/gnome-initial-setup/pages/password/gis-password-page.c
+++ b/gnome-initial-setup/pages/password/gis-password-page.c
@@ -304,12 +304,11 @@ gis_password_page_init (GisPasswordPage *page)
   gtk_widget_init_template (GTK_WIDGET (page));
 }
 
-void
+GisPage *
 gis_prepare_password_page (GisDriver *driver)
 {
-  gis_driver_add_page (driver,
-                       g_object_new (GIS_TYPE_PASSWORD_PAGE,
-                                     "driver", driver,
-                                     NULL));
+  return g_object_new (GIS_TYPE_PASSWORD_PAGE,
+                       "driver", driver,
+                       NULL);
 }
 
diff --git a/gnome-initial-setup/pages/password/gis-password-page.h b/gnome-initial-setup/pages/password/gis-password-page.h
index 59d22c7..954782f 100644
--- a/gnome-initial-setup/pages/password/gis-password-page.h
+++ b/gnome-initial-setup/pages/password/gis-password-page.h
@@ -50,7 +50,7 @@ struct _GisPasswordPageClass
 
 GType gis_password_page_get_type (void);
 
-void gis_prepare_password_page (GisDriver *driver);
+GisPage *gis_prepare_password_page (GisDriver *driver);
 
 G_END_DECLS
 
diff --git a/gnome-initial-setup/pages/privacy/gis-privacy-page.c b/gnome-initial-setup/pages/privacy/gis-privacy-page.c
index f2af372..7d83d62 100644
--- a/gnome-initial-setup/pages/privacy/gis-privacy-page.c
+++ b/gnome-initial-setup/pages/privacy/gis-privacy-page.c
@@ -321,11 +321,10 @@ gis_privacy_page_init (GisPrivacyPage *page)
   gtk_widget_init_template (GTK_WIDGET (page));
 }
 
-void
+GisPage *
 gis_prepare_privacy_page (GisDriver *driver)
 {
-  gis_driver_add_page (driver,
-                       g_object_new (GIS_TYPE_PRIVACY_PAGE,
-                                     "driver", driver,
-                                     NULL));
+  return g_object_new (GIS_TYPE_PRIVACY_PAGE,
+                       "driver", driver,
+                       NULL);
 }
diff --git a/gnome-initial-setup/pages/privacy/gis-privacy-page.h b/gnome-initial-setup/pages/privacy/gis-privacy-page.h
index d814612..9596b36 100644
--- a/gnome-initial-setup/pages/privacy/gis-privacy-page.h
+++ b/gnome-initial-setup/pages/privacy/gis-privacy-page.h
@@ -50,7 +50,7 @@ struct _GisPrivacyPageClass
 
 GType gis_privacy_page_get_type (void);
 
-void gis_prepare_privacy_page (GisDriver *driver);
+GisPage *gis_prepare_privacy_page (GisDriver *driver);
 
 G_END_DECLS
 
diff --git a/gnome-initial-setup/pages/region/gis-region-page.c b/gnome-initial-setup/pages/region/gis-region-page.c
index 6e90d57..5a31b9c 100644
--- a/gnome-initial-setup/pages/region/gis-region-page.c
+++ b/gnome-initial-setup/pages/region/gis-region-page.c
@@ -276,11 +276,10 @@ gis_region_page_init (GisRegionPage *page)
   gtk_widget_init_template (GTK_WIDGET (page));
 }
 
-void
+GisPage *
 gis_prepare_region_page (GisDriver *driver)
 {
-  gis_driver_add_page (driver,
-                       g_object_new (GIS_TYPE_REGION_PAGE,
-                                     "driver", driver,
-                                     NULL));
+  return g_object_new (GIS_TYPE_REGION_PAGE,
+                       "driver", driver,
+                       NULL);
 }
diff --git a/gnome-initial-setup/pages/region/gis-region-page.h b/gnome-initial-setup/pages/region/gis-region-page.h
index eca0204..b99c2fe 100644
--- a/gnome-initial-setup/pages/region/gis-region-page.h
+++ b/gnome-initial-setup/pages/region/gis-region-page.h
@@ -50,7 +50,7 @@ struct _GisRegionPageClass
 
 GType gis_region_page_get_type (void);
 
-void gis_prepare_region_page (GisDriver *driver);
+GisPage *gis_prepare_region_page (GisDriver *driver);
 
 G_END_DECLS
 
diff --git a/gnome-initial-setup/pages/software/gis-software-page.c b/gnome-initial-setup/pages/software/gis-software-page.c
index 7c15a2c..f3e827a 100644
--- a/gnome-initial-setup/pages/software/gis-software-page.c
+++ b/gnome-initial-setup/pages/software/gis-software-page.c
@@ -244,22 +244,24 @@ gis_software_page_init (GisSoftwarePage *page)
   gtk_widget_init_template (GTK_WIDGET (page));
 }
 
-void
+GisPage *
 gis_prepare_software_page (GisDriver *driver)
 {
-#ifdef ENABLE_SOFTWARE_SOURCES
   GSettingsSchemaSource *source;
   GSettingsSchema *schema;
+  GisPage *page = NULL;
 
+#ifdef ENABLE_SOFTWARE_SOURCES
   source = g_settings_schema_source_get_default ();
   schema = g_settings_schema_source_lookup (source, "org.gnome.software", TRUE);
   if (schema != NULL && g_settings_schema_has_key (schema, "show-nonfree-software"))
-    gis_driver_add_page (driver,
-                         g_object_new (GIS_TYPE_SOFTWARE_PAGE,
-                                       "driver", driver,
-                                       NULL));
+    page = g_object_new (GIS_TYPE_SOFTWARE_PAGE,
+                         "driver", driver,
+                         NULL);
 
   if (schema != NULL)
     g_settings_schema_unref (schema);
 #endif
+
+  return page;
 }
diff --git a/gnome-initial-setup/pages/software/gis-software-page.h b/gnome-initial-setup/pages/software/gis-software-page.h
index 6bceda1..8d15245 100644
--- a/gnome-initial-setup/pages/software/gis-software-page.h
+++ b/gnome-initial-setup/pages/software/gis-software-page.h
@@ -50,7 +50,7 @@ struct _GisSoftwarePageClass
 
 GType gis_software_page_get_type (void);
 
-void gis_prepare_software_page (GisDriver *driver);
+GisPage *gis_prepare_software_page (GisDriver *driver);
 
 G_END_DECLS
 
diff --git a/gnome-initial-setup/pages/summary/gis-summary-page.c b/gnome-initial-setup/pages/summary/gis-summary-page.c
index 4261b92..f510f2f 100644
--- a/gnome-initial-setup/pages/summary/gis-summary-page.c
+++ b/gnome-initial-setup/pages/summary/gis-summary-page.c
@@ -361,11 +361,10 @@ gis_summary_page_init (GisSummaryPage *page)
   gtk_widget_init_template (GTK_WIDGET (page));
 }
 
-void
+GisPage *
 gis_prepare_summary_page (GisDriver *driver)
 {
-  gis_driver_add_page (driver,
-                       g_object_new (GIS_TYPE_SUMMARY_PAGE,
-                                     "driver", driver,
-                                     NULL));
+  return g_object_new (GIS_TYPE_SUMMARY_PAGE,
+                       "driver", driver,
+                       NULL);
 }
diff --git a/gnome-initial-setup/pages/summary/gis-summary-page.h b/gnome-initial-setup/pages/summary/gis-summary-page.h
index 0fe2274..20190f1 100644
--- a/gnome-initial-setup/pages/summary/gis-summary-page.h
+++ b/gnome-initial-setup/pages/summary/gis-summary-page.h
@@ -48,7 +48,7 @@ struct _GisSummaryPageClass
 
 GType gis_summary_page_get_type (void);
 
-void gis_prepare_summary_page (GisDriver *driver);
+GisPage *gis_prepare_summary_page (GisDriver *driver);
 
 G_END_DECLS
 
diff --git a/gnome-initial-setup/pages/timezone/gis-timezone-page.c b/gnome-initial-setup/pages/timezone/gis-timezone-page.c
index a090db2..0775d98 100644
--- a/gnome-initial-setup/pages/timezone/gis-timezone-page.c
+++ b/gnome-initial-setup/pages/timezone/gis-timezone-page.c
@@ -462,11 +462,10 @@ gis_timezone_page_init (GisTimezonePage *page)
   gtk_widget_init_template (GTK_WIDGET (page));
 }
 
-void
+GisPage *
 gis_prepare_timezone_page (GisDriver *driver)
 {
-  gis_driver_add_page (driver,
-                       g_object_new (GIS_TYPE_TIMEZONE_PAGE,
-                                     "driver", driver,
-                                     NULL));
+  return g_object_new (GIS_TYPE_TIMEZONE_PAGE,
+                       "driver", driver,
+                       NULL);
 }
diff --git a/gnome-initial-setup/pages/timezone/gis-timezone-page.h b/gnome-initial-setup/pages/timezone/gis-timezone-page.h
index 5e75256..e9ba8ed 100644
--- a/gnome-initial-setup/pages/timezone/gis-timezone-page.h
+++ b/gnome-initial-setup/pages/timezone/gis-timezone-page.h
@@ -50,7 +50,7 @@ struct _GisTimezonePageClass
 
 GType gis_timezone_page_get_type (void);
 
-void gis_prepare_timezone_page (GisDriver *driver);
+GisPage *gis_prepare_timezone_page (GisDriver *driver);
 
 G_END_DECLS
 
-- 
2.14.3