Adding upstream version 43.5.upstream/43.5upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1361 insertions, 0 deletions

diff --git a/src/gs-extras-page.c b/src/gs-extras-page.c
new file mode 100644
index 0000000..89f1a69
--- /dev/null
+++ b/src/gs-extras-page.c
@@ -0,0 +1,1361 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
+ * vi:set noexpandtab tabstop=8 shiftwidth=8:
+ *
+ * Copyright (C) 2013-2017 Richard Hughes <richard@hughsie.com>
+ * Copyright (C) 2015-2018 Kalev Lember <klember@redhat.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include "config.h"
+
+#include "gs-extras-page.h"
+
+#include "gs-app-row.h"
+#include "gs-application.h"
+#include "gs-language.h"
+#include "gs-shell.h"
+#include "gs-common.h"
+#include "gs-utils.h"
+#include "gs-vendor.h"
+
+#include <glib/gi18n.h>
+
+typedef enum {
+	GS_EXTRAS_PAGE_STATE_LOADING,
+	GS_EXTRAS_PAGE_STATE_READY,
+	GS_EXTRAS_PAGE_STATE_NO_RESULTS,
+	GS_EXTRAS_PAGE_STATE_FAILED
+} GsExtrasPageState;
+
+typedef struct {
+	gchar		*title;
+	gchar		*search;
+	GsAppQueryProvidesType search_provides_type;
+	gchar		*search_filename;
+	gchar		*package_filename;
+	gchar		*url_not_found;
+	GsExtrasPage	*self;
+} SearchData;
+
+struct _GsExtrasPage
+{
+	GsPage			  parent_instance;
+
+	GsPluginLoader		 *plugin_loader;
+	GCancellable		 *search_cancellable;
+	GsShell			 *shell;
+	GsExtrasPageState	  state;
+	GtkSizeGroup		 *sizegroup_name;
+	GtkSizeGroup		 *sizegroup_button_label;
+	GtkSizeGroup		 *sizegroup_button_image;
+	GPtrArray		 *array_search_data;
+	GsExtrasPageMode	  mode;
+	GsLanguage		 *language;
+	GsVendor		 *vendor;
+	guint			  pending_search_cnt;
+	gchar			 *caller_app_name;
+	gchar			 *install_resources_ident;
+
+	GtkWidget		 *label_failed;
+	GtkWidget		 *label_no_results;
+	GtkWidget		 *list_box_results;
+	GtkWidget		 *scrolledwindow;
+	GtkWidget		 *spinner;
+	GtkWidget		 *stack;
+};
+
+G_DEFINE_TYPE (GsExtrasPage, gs_extras_page, GS_TYPE_PAGE)
+
+typedef enum {
+	PROP_VADJUSTMENT = 1,
+	PROP_TITLE,
+} GsExtrasPageProperty;
+
+static void
+search_data_free (SearchData *search_data)
+{
+	if (search_data->self != NULL)
+		g_object_unref (search_data->self);
+	g_free (search_data->title);
+	g_free (search_data->search);
+	g_free (search_data->search_filename);
+	g_free (search_data->package_filename);
+	g_free (search_data->url_not_found);
+	g_slice_free (SearchData, search_data);
+}
+
+static GsExtrasPageMode
+gs_extras_page_mode_from_string (const gchar *str)
+{
+	if (g_strcmp0 (str, "install-package-files") == 0)
+		return GS_EXTRAS_PAGE_MODE_INSTALL_PACKAGE_FILES;
+	if (g_strcmp0 (str, "install-provide-files") == 0)
+		return GS_EXTRAS_PAGE_MODE_INSTALL_PROVIDE_FILES;
+	if (g_strcmp0 (str, "install-package-names") == 0)
+		return GS_EXTRAS_PAGE_MODE_INSTALL_PACKAGE_NAMES;
+	if (g_strcmp0 (str, "install-mime-types") == 0)
+		return GS_EXTRAS_PAGE_MODE_INSTALL_MIME_TYPES;
+	if (g_strcmp0 (str, "install-fontconfig-resources") == 0)
+		return GS_EXTRAS_PAGE_MODE_INSTALL_FONTCONFIG_RESOURCES;
+	if (g_strcmp0 (str, "install-gstreamer-resources") == 0)
+		return GS_EXTRAS_PAGE_MODE_INSTALL_GSTREAMER_RESOURCES;
+	if (g_strcmp0 (str, "install-plasma-resources") == 0)
+		return GS_EXTRAS_PAGE_MODE_INSTALL_PLASMA_RESOURCES;
+	if (g_strcmp0 (str, "install-printer-drivers") == 0)
+		return GS_EXTRAS_PAGE_MODE_INSTALL_PRINTER_DRIVERS;
+
+	g_assert_not_reached ();
+}
+
+const gchar *
+gs_extras_page_mode_to_string (GsExtrasPageMode mode)
+{
+	if (mode == GS_EXTRAS_PAGE_MODE_INSTALL_PACKAGE_FILES)
+		return "install-package-files";
+	if (mode == GS_EXTRAS_PAGE_MODE_INSTALL_PROVIDE_FILES)
+		return "install-provide-files";
+	if (mode == GS_EXTRAS_PAGE_MODE_INSTALL_PACKAGE_NAMES)
+		return "install-package-names";
+	if (mode == GS_EXTRAS_PAGE_MODE_INSTALL_MIME_TYPES)
+		return "install-mime-types";
+	if (mode == GS_EXTRAS_PAGE_MODE_INSTALL_FONTCONFIG_RESOURCES)
+		return "install-fontconfig-resources";
+	if (mode == GS_EXTRAS_PAGE_MODE_INSTALL_GSTREAMER_RESOURCES)
+		return "install-gstreamer-resources";
+	if (mode == GS_EXTRAS_PAGE_MODE_INSTALL_PLASMA_RESOURCES)
+		return "install-plasma-resources";
+	if (mode == GS_EXTRAS_PAGE_MODE_INSTALL_PRINTER_DRIVERS)
+		return "install-printer-drivers";
+
+	g_assert_not_reached ();
+}
+
+static gchar *
+build_comma_separated_list (gchar **items)
+{
+	guint len;
+
+	len = g_strv_length (items);
+	if (len == 2) {
+		/* TRANSLATORS: separator for a list of items */
+		return g_strjoinv (_(" and "), items);
+	} else {
+		/* TRANSLATORS: separator for a list of items */
+		return g_strjoinv (_(", "), items);
+	}
+}
+
+static gchar *
+build_title (GsExtrasPage *self)
+{
+	guint i;
+	g_autofree gchar *titles = NULL;
+	g_autoptr(GPtrArray) title_array = NULL;
+
+	title_array = g_ptr_array_new ();
+	for (i = 0; i < self->array_search_data->len; i++) {
+		SearchData *search_data;
+
+		search_data = g_ptr_array_index (self->array_search_data, i);
+		g_ptr_array_add (title_array, search_data->title);
+	}
+	g_ptr_array_add (title_array, NULL);
+
+	titles = build_comma_separated_list ((gchar **) title_array->pdata);
+
+	switch (self->mode) {
+	case GS_EXTRAS_PAGE_MODE_INSTALL_FONTCONFIG_RESOURCES:
+		/* TRANSLATORS: Application window title for fonts installation.
+		   %s will be replaced by name of the script we're searching for. */
+		return g_strdup_printf (ngettext ("Available fonts for the %s script",
+		                                  "Available fonts for the %s scripts",
+		                                  self->array_search_data->len),
+		                        titles);
+		break;
+	default:
+		/* TRANSLATORS: Application window title for codec installation.
+		   %s will be replaced by actual codec name(s) */
+		return g_strdup_printf (ngettext ("Available software for %s",
+		                                  "Available software for %s",
+		                                  self->array_search_data->len),
+		                        titles);
+		break;
+	}
+}
+
+static void
+gs_extras_page_update_ui_state (GsExtrasPage *self)
+{
+	g_autofree gchar *title = NULL;
+
+	if (gs_shell_get_mode (self->shell) != GS_SHELL_MODE_EXTRAS)
+		return;
+
+	/* main spinner */
+	switch (self->state) {
+	case GS_EXTRAS_PAGE_STATE_LOADING:
+		gtk_spinner_start (GTK_SPINNER (self->spinner));
+		break;
+	case GS_EXTRAS_PAGE_STATE_READY:
+	case GS_EXTRAS_PAGE_STATE_NO_RESULTS:
+	case GS_EXTRAS_PAGE_STATE_FAILED:
+		gtk_spinner_stop (GTK_SPINNER (self->spinner));
+		break;
+	default:
+		g_assert_not_reached ();
+		break;
+	}
+
+	/* stack */
+	switch (self->state) {
+	case GS_EXTRAS_PAGE_STATE_LOADING:
+		gtk_stack_set_visible_child_name (GTK_STACK (self->stack), "spinner");
+		break;
+	case GS_EXTRAS_PAGE_STATE_READY:
+		gtk_stack_set_visible_child_name (GTK_STACK (self->stack), "results");
+		break;
+	case GS_EXTRAS_PAGE_STATE_NO_RESULTS:
+		gtk_stack_set_visible_child_name (GTK_STACK (self->stack), "no-results");
+		break;
+	case GS_EXTRAS_PAGE_STATE_FAILED:
+		gtk_stack_set_visible_child_name (GTK_STACK (self->stack), "failed");
+		break;
+	default:
+		g_assert_not_reached ();
+		break;
+	}
+}
+
+static void
+gs_extras_page_maybe_emit_installed_resources_done (GsExtrasPage *self)
+{
+	if (self->install_resources_ident && (
+	    self->state == GS_EXTRAS_PAGE_STATE_LOADING ||
+	    self->state == GS_EXTRAS_PAGE_STATE_NO_RESULTS ||
+	    self->state == GS_EXTRAS_PAGE_STATE_FAILED)) {
+		GsApplication *application;
+		GError *op_error = NULL;
+
+		/* When called during the LOADING state, it means the package is already installed */
+		if (self->state == GS_EXTRAS_PAGE_STATE_NO_RESULTS) {
+			g_set_error_literal (&op_error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND, _("Requested software not found"));
+		} else if (self->state == GS_EXTRAS_PAGE_STATE_FAILED) {
+			g_set_error_literal (&op_error, G_IO_ERROR, G_IO_ERROR_FAILED, _("Failed to find requested software"));
+		}
+
+		application = GS_APPLICATION (g_application_get_default ());
+		gs_application_emit_install_resources_done (application, self->install_resources_ident, op_error);
+
+		g_clear_pointer (&self->install_resources_ident, g_free);
+		g_clear_error (&op_error);
+	}
+}
+
+static void
+gs_extras_page_set_state (GsExtrasPage *self,
+                          GsExtrasPageState state)
+{
+	if (self->state == state)
+		return;
+
+	self->state = state;
+
+	g_object_notify (G_OBJECT (self), "title");
+	gs_extras_page_update_ui_state (self);
+	gs_extras_page_maybe_emit_installed_resources_done (self);
+}
+
+static void
+app_row_button_clicked_cb (GsAppRow *app_row,
+                           GsExtrasPage *self)
+{
+	GsApp *app = gs_app_row_get_app (app_row);
+
+	if (gs_app_get_state (app) == GS_APP_STATE_UNAVAILABLE &&
+	    gs_app_get_url_missing (app) != NULL) {
+		gs_shell_show_uri (self->shell,
+	                           gs_app_get_url_missing (app));
+	} else if (gs_app_get_state (app) == GS_APP_STATE_AVAILABLE ||
+	           gs_app_get_state (app) == GS_APP_STATE_AVAILABLE_LOCAL ||
+	           gs_app_get_state (app) == GS_APP_STATE_UNAVAILABLE) {
+		gs_page_install_app (GS_PAGE (self), app, GS_SHELL_INTERACTION_FULL,
+				     self->search_cancellable);
+	} else if (gs_app_get_state (app) == GS_APP_STATE_INSTALLED) {
+		gs_page_remove_app (GS_PAGE (self), app, self->search_cancellable);
+	} else {
+		g_critical ("extras: app in unexpected state %u", gs_app_get_state (app));
+	}
+}
+
+static void
+gs_extras_page_add_app (GsExtrasPage *self, GsApp *app, GsAppList *list, SearchData *search_data)
+{
+	GtkWidget *app_row, *child;
+
+	/* Don't add same app twice */
+	for (child = gtk_widget_get_first_child (self->list_box_results);
+	     child != NULL;
+	     child = gtk_widget_get_next_sibling (child)) {
+		GsApp *existing_app;
+
+		/* Might be a separator from list_header_func(). */
+		if (!GS_IS_APP_ROW (child))
+			continue;
+
+		existing_app = gs_app_row_get_app (GS_APP_ROW (child));
+		if (app == existing_app) {
+			gtk_list_box_remove (GTK_LIST_BOX (self->list_box_results), child);
+			break;
+		}
+	}
+
+	app_row = gs_app_row_new (app);
+	gs_app_row_set_colorful (GS_APP_ROW (app_row), TRUE);
+	gs_app_row_set_show_buttons (GS_APP_ROW (app_row), TRUE);
+
+	g_object_set_data_full (G_OBJECT (app_row), "missing-title", g_strdup (search_data->title), g_free);
+
+	g_signal_connect (app_row, "button-clicked",
+	                  G_CALLBACK (app_row_button_clicked_cb),
+	                  self);
+
+	gtk_list_box_append (GTK_LIST_BOX (self->list_box_results), app_row);
+	gs_app_row_set_size_groups (GS_APP_ROW (app_row),
+				    self->sizegroup_name,
+				    self->sizegroup_button_label,
+				    self->sizegroup_button_image);
+	gtk_widget_show (app_row);
+}
+
+static GsApp *
+create_missing_app (SearchData *search_data)
+{
+	GsExtrasPage *self = search_data->self;
+	GsApp *app;
+	GString *summary_missing;
+	g_autofree gchar *name = NULL;
+	g_autofree gchar *url = NULL;
+
+	app = gs_app_new ("missing-codec");
+
+	/* TRANSLATORS: This string is used for codecs that weren't found */
+	name = g_strdup_printf (_("%s not found"), search_data->title);
+	gs_app_set_name (app, GS_APP_QUALITY_HIGHEST, name);
+
+	/* TRANSLATORS: hyperlink title */
+	url = g_strdup_printf ("<a href=\"%s\">%s</a>", search_data->url_not_found, _("on the website"));
+
+	summary_missing = g_string_new ("");
+	switch (self->mode) {
+	case GS_EXTRAS_PAGE_MODE_INSTALL_PACKAGE_FILES:
+		/* TRANSLATORS: this is when we know about an application or
+		 * addon, but it can't be listed for some reason */
+		g_string_append_printf (summary_missing, _("No applications are available that provide the file %s."), search_data->title);
+		g_string_append (summary_missing, "\n");
+		/* TRANSLATORS: first %s is the codec name, and second %s is a
+                 * hyperlink with the "on the website" text */
+		g_string_append_printf (summary_missing, _("Information about %s, as well as options "
+					"for how to get missing applications "
+					"might be found %s."), search_data->title, url);
+		break;
+	case GS_EXTRAS_PAGE_MODE_INSTALL_PROVIDE_FILES:
+		/* TRANSLATORS: this is when we know about an application or
+		 * addon, but it can't be listed for some reason */
+		g_string_append_printf (summary_missing, _("No applications are available for %s support."), search_data->title);
+		g_string_append (summary_missing, "\n");
+		/* TRANSLATORS: first %s is the codec name, and second %s is a
+                 * hyperlink with the "on the website" text */
+		g_string_append_printf (summary_missing, _("Information about %s, as well as options "
+					"for how to get missing applications "
+					"might be found %s."), search_data->title, url);
+		break;
+	case GS_EXTRAS_PAGE_MODE_INSTALL_PACKAGE_NAMES:
+		/* TRANSLATORS: this is when we know about an application or
+		 * addon, but it can't be listed for some reason */
+		g_string_append_printf (summary_missing, _("%s is not available."), search_data->title);
+		g_string_append (summary_missing, "\n");
+		/* TRANSLATORS: first %s is the codec name, and second %s is a
+                 * hyperlink with the "on the website" text */
+		g_string_append_printf (summary_missing, _("Information about %s, as well as options "
+					"for how to get missing applications "
+					"might be found %s."), search_data->title, url);
+		break;
+	case GS_EXTRAS_PAGE_MODE_INSTALL_MIME_TYPES:
+		/* TRANSLATORS: this is when we know about an application or
+		 * addon, but it can't be listed for some reason */
+		g_string_append_printf (summary_missing, _("No applications are available for %s support."), search_data->title);
+		g_string_append (summary_missing, "\n");
+		/* TRANSLATORS: first %s is the codec name, and second %s is a
+                 * hyperlink with the "on the website" text */
+		g_string_append_printf (summary_missing, _("Information about %s, as well as options "
+					"for how to get an application that can support this format "
+					"might be found %s."), search_data->title, url);
+		break;
+	case GS_EXTRAS_PAGE_MODE_INSTALL_FONTCONFIG_RESOURCES:
+		/* TRANSLATORS: this is when we know about an application or
+		 * addon, but it can't be listed for some reason */
+		g_string_append_printf (summary_missing, _("No fonts are available for the %s script support."), search_data->title);
+		g_string_append (summary_missing, "\n");
+		/* TRANSLATORS: first %s is the codec name, and second %s is a
+                 * hyperlink with the "on the website" text */
+		g_string_append_printf (summary_missing, _("Information about %s, as well as options "
+					"for how to get additional fonts "
+					"might be found %s."), search_data->title, url);
+		break;
+	case GS_EXTRAS_PAGE_MODE_INSTALL_GSTREAMER_RESOURCES:
+		/* TRANSLATORS: this is when we know about an application or
+		 * addon, but it can't be listed for some reason */
+		g_string_append_printf (summary_missing, _("No addon codecs are available for the %s format."), search_data->title);
+		g_string_append (summary_missing, "\n");
+		/* TRANSLATORS: first %s is the codec name, and second %s is a
+                 * hyperlink with the "on the website" text */
+		g_string_append_printf (summary_missing, _("Information about %s, as well as options "
+					"for how to get a codec that can play this format "
+					"might be found %s."), search_data->title, url);
+		break;
+	case GS_EXTRAS_PAGE_MODE_INSTALL_PLASMA_RESOURCES:
+		/* TRANSLATORS: this is when we know about an application or
+		 * addon, but it can't be listed for some reason */
+		g_string_append_printf (summary_missing, _("No Plasma resources are available for %s support."), search_data->title);
+		g_string_append (summary_missing, "\n");
+		/* TRANSLATORS: first %s is the codec name, and second %s is a
+                 * hyperlink with the "on the website" text */
+		g_string_append_printf (summary_missing, _("Information about %s, as well as options "
+					"for how to get additional Plasma resources "
+					"might be found %s."), search_data->title, url);
+		break;
+	case GS_EXTRAS_PAGE_MODE_INSTALL_PRINTER_DRIVERS:
+		/* TRANSLATORS: this is when we know about an application or
+		 * addon, but it can't be listed for some reason */
+		g_string_append_printf (summary_missing, _("No printer drivers are available for %s."), search_data->title);
+		g_string_append (summary_missing, "\n");
+		/* TRANSLATORS: first %s is the codec name, and second %s is a
+		 * hyperlink with the "on the website" text */
+		g_string_append_printf (summary_missing, _("Information about %s, as well as options "
+					"for how to get a driver that supports this printer "
+					"might be found %s."), search_data->title, url);
+
+		break;
+	default:
+		g_assert_not_reached ();
+		break;
+	}
+	gs_app_set_summary_missing (app, g_string_free (summary_missing, FALSE));
+
+	gs_app_set_kind (app, AS_COMPONENT_KIND_GENERIC);
+	gs_app_set_state (app, GS_APP_STATE_UNAVAILABLE);
+	gs_app_set_url_missing (app, search_data->url_not_found);
+
+	return app;
+}
+
+static gchar *
+build_no_results_label (GsExtrasPage *self)
+{
+	GsApp *app = NULL;
+	guint num = 0;
+	g_autofree gchar *codec_titles = NULL;
+	g_autofree gchar *url = NULL;
+	g_autoptr(GPtrArray) array = NULL;
+	GtkWidget *child;
+
+	array = g_ptr_array_new ();
+	for (child = gtk_widget_get_first_child (self->list_box_results);
+	     child != NULL;
+	     child = gtk_widget_get_next_sibling (child)) {
+		/* Might be a separator from list_header_func(). */
+		if (!GS_IS_APP_ROW (child))
+			continue;
+
+		app = gs_app_row_get_app (GS_APP_ROW (child));
+		g_ptr_array_add (array,
+		                 g_object_get_data (G_OBJECT (child), "missing-title"));
+		num++;
+	}
+	g_ptr_array_add (array, NULL);
+
+	url = g_strdup_printf ("<a href=\"%s\">%s</a>",
+	                       gs_app_get_url_missing (app),
+                               /* TRANSLATORS: hyperlink title */
+                               _("the documentation"));
+
+	codec_titles = build_comma_separated_list ((gchar **) array->pdata);
+	if (self->caller_app_name) {
+		/* TRANSLATORS: no codecs were found. The first %s will be replaced by actual codec name(s),
+		   the second %s is the application name, which requested the codecs, the third %s is a link titled "the documentation" */
+		return g_strdup_printf (ngettext ("Unable to find the %s requested by %s. Please see %s for more information.",
+						  "Unable to find the %s requested by %s. Please see %s for more information.",
+						  num),
+					codec_titles,
+					self->caller_app_name,
+					url);
+	}
+
+	/* TRANSLATORS: no codecs were found. First %s will be replaced by actual codec name(s), second %s is a link titled "the documentation" */
+	return g_strdup_printf (ngettext ("Unable to find the %s you were searching for. Please see %s for more information.",
+	                                  "Unable to find the %s you were searching for. Please see %s for more information.",
+	                                  num),
+	                        codec_titles,
+	                        url);
+}
+
+static void
+show_search_results (GsExtrasPage *self)
+{
+	GtkWidget *first_child, *child;
+	GsApp *app;
+	guint n_children;
+	guint n_missing;
+
+	/* count the number of rows with missing codecs */
+	n_children = n_missing = 0;
+	first_child = gtk_widget_get_first_child (self->list_box_results);
+	for (child = first_child;
+	     child != NULL;
+	     child = gtk_widget_get_next_sibling (child)) {
+		/* Might be a separator from list_header_func(). */
+		if (!GS_IS_APP_ROW (child))
+			continue;
+
+		app = gs_app_row_get_app (GS_APP_ROW (child));
+		if (g_strcmp0 (gs_app_get_id (app), "missing-codec") == 0) {
+			n_missing++;
+		}
+		n_children++;
+	}
+
+	if (n_children == 0 || n_children == n_missing) {
+		g_autofree gchar *str = NULL;
+
+		/* no results */
+		g_debug ("extras: failed to find any results, %u", n_missing);
+		str = build_no_results_label (self);
+		gtk_label_set_label (GTK_LABEL (self->label_no_results), str);
+		gs_extras_page_set_state (self, GS_EXTRAS_PAGE_STATE_NO_RESULTS);
+	} else {
+		/* show what we got */
+		g_debug ("extras: got %u search results, showing", n_children);
+		gs_extras_page_set_state (self, GS_EXTRAS_PAGE_STATE_READY);
+
+		if (n_children == 1) {
+			/* switch directly to details view */
+			g_debug ("extras: found one result, showing in details view");
+			g_assert (first_child != NULL);
+			app = gs_app_row_get_app (GS_APP_ROW (first_child));
+			gs_shell_show_app (self->shell, app);
+			if (gs_app_is_installed (app))
+				gs_extras_page_maybe_emit_installed_resources_done (self);
+		}
+	}
+}
+
+static void
+search_files_cb (GObject *source_object,
+                 GAsyncResult *res,
+                 gpointer user_data)
+{
+	SearchData *search_data = (SearchData *) user_data;
+	GsExtrasPage *self = search_data->self;
+	g_autoptr(GsAppList) list = NULL;
+	guint i;
+	GsPluginLoader *plugin_loader = GS_PLUGIN_LOADER (source_object);
+	g_autoptr(GError) error = NULL;
+
+	list = gs_plugin_loader_job_process_finish (plugin_loader, res, &error);
+	if (list == NULL) {
+		g_autofree gchar *str = NULL;
+		if (g_error_matches (error, GS_PLUGIN_ERROR, GS_PLUGIN_ERROR_CANCELLED) ||
+		    g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
+			g_debug ("extras: search files cancelled");
+			return;
+		}
+		g_warning ("failed to find any search results: %s", error->message);
+		str = g_strdup_printf (_("Failed to find any search results: %s"), error->message);
+		gtk_label_set_label (GTK_LABEL (self->label_failed), str);
+		gs_extras_page_set_state (self, GS_EXTRAS_PAGE_STATE_FAILED);
+		return;
+	}
+
+	/* add missing item */
+	if (gs_app_list_length (list) == 0) {
+		g_autoptr(GsApp) app = NULL;
+		g_debug ("extras: no search result for %s, showing as missing",
+			 search_data->title);
+		app = create_missing_app (search_data);
+		gs_app_list_add (list, app);
+	}
+
+	for (i = 0; i < gs_app_list_length (list); i++) {
+		GsApp *app = gs_app_list_index (list, i);
+
+		g_debug ("%s\n\n", gs_app_to_string (app));
+		gs_extras_page_add_app (self, app, list, search_data);
+	}
+
+	self->pending_search_cnt--;
+
+	/* have all searches finished? */
+	if (self->pending_search_cnt == 0)
+		show_search_results (self);
+}
+
+static void
+file_to_app_cb (GObject *source_object,
+                GAsyncResult *res,
+                gpointer user_data)
+{
+	SearchData *search_data = (SearchData *) user_data;
+	GsExtrasPage *self = search_data->self;
+	GsPluginLoader *plugin_loader = GS_PLUGIN_LOADER (source_object);
+	g_autoptr(GError) error = NULL;
+	g_autoptr(GsApp) app = NULL;
+	g_autoptr(GsAppList) list = NULL;
+
+	list = gs_plugin_loader_job_process_finish (plugin_loader, res, &error);
+	if (list == NULL) {
+		if (g_error_matches (error, GS_PLUGIN_ERROR, GS_PLUGIN_ERROR_CANCELLED) ||
+		    g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
+			g_debug ("extras: search what provides cancelled");
+			return;
+		}
+		if (g_error_matches (error,
+				     GS_PLUGIN_ERROR,
+				     GS_PLUGIN_ERROR_FAILED)) {
+			g_debug ("extras: no search result for %s, showing as missing", search_data->title);
+			app = create_missing_app (search_data);
+		} else {
+			g_autofree gchar *str = NULL;
+
+			g_warning ("failed to find any search results: %s", error->message);
+			str = g_strdup_printf (_("Failed to find any search results: %s"), error->message);
+			gtk_label_set_label (GTK_LABEL (self->label_failed), str);
+			gs_extras_page_set_state (self, GS_EXTRAS_PAGE_STATE_FAILED);
+			return;
+		}
+	} else {
+		app = g_object_ref (gs_app_list_index (list, 0));
+	}
+
+	g_debug ("%s\n\n", gs_app_to_string (app));
+	gs_extras_page_add_app (self, app, list, search_data);
+
+	self->pending_search_cnt--;
+
+	/* have all searches finished? */
+	if (self->pending_search_cnt == 0)
+		show_search_results (self);
+}
+
+static void
+get_search_what_provides_cb (GObject *source_object,
+                             GAsyncResult *res,
+                             gpointer user_data)
+{
+	SearchData *search_data = (SearchData *) user_data;
+	GsExtrasPage *self = search_data->self;
+	g_autoptr(GsAppList) list = NULL;
+	guint i;
+	GsPluginLoader *plugin_loader = GS_PLUGIN_LOADER (source_object);
+	g_autoptr(GError) error = NULL;
+
+	list = gs_plugin_loader_job_process_finish (plugin_loader, res, &error);
+	if (list == NULL) {
+		g_autofree gchar *str = NULL;
+		if (g_error_matches (error, GS_PLUGIN_ERROR, GS_PLUGIN_ERROR_CANCELLED) ||
+		    g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
+			g_debug ("extras: search what provides cancelled");
+			return;
+		}
+		g_warning ("failed to find any search results: %s", error->message);
+		str = g_strdup_printf (_("Failed to find any search results: %s"), error->message);
+		gtk_label_set_label (GTK_LABEL (self->label_failed), str);
+		gs_extras_page_set_state (self, GS_EXTRAS_PAGE_STATE_FAILED);
+		return;
+	}
+
+	/* add missing item */
+	if (gs_app_list_length (list) == 0) {
+		g_autoptr(GsApp) app = NULL;
+		g_debug ("extras: no search result for %s, showing as missing",
+			 search_data->title);
+		app = create_missing_app (search_data);
+		gs_app_list_add (list, app);
+	}
+
+	for (i = 0; i < gs_app_list_length (list); i++) {
+		GsApp *app = gs_app_list_index (list, i);
+
+		g_debug ("%s\n\n", gs_app_to_string (app));
+		gs_extras_page_add_app (self, app, list, search_data);
+	}
+
+	self->pending_search_cnt--;
+
+	/* have all searches finished? */
+	if (self->pending_search_cnt == 0)
+		show_search_results (self);
+}
+
+static void
+gs_extras_page_load (GsExtrasPage *self, GPtrArray *array_search_data)
+{
+	guint i;
+
+	/* cancel any pending searches */
+	g_cancellable_cancel (self->search_cancellable);
+	g_clear_object (&self->search_cancellable);
+	self->search_cancellable = g_cancellable_new ();
+
+	if (array_search_data != NULL) {
+		if (self->array_search_data != NULL)
+			g_ptr_array_unref (self->array_search_data);
+		self->array_search_data = g_ptr_array_ref (array_search_data);
+	}
+
+	self->pending_search_cnt = 0;
+
+	/* remove old entries */
+	gs_widget_remove_all (self->list_box_results, (GsRemoveFunc) gtk_list_box_remove);
+
+	/* set state as loading */
+	self->state = GS_EXTRAS_PAGE_STATE_LOADING;
+
+	/* start new searches, separate one for each codec */
+	for (i = 0; i < self->array_search_data->len; i++) {
+		GsPluginRefineFlags refine_flags;
+		SearchData *search_data;
+
+		refine_flags = GS_PLUGIN_REFINE_FLAGS_REQUIRE_ICON |
+		               GS_PLUGIN_REFINE_FLAGS_REQUIRE_VERSION |
+		               GS_PLUGIN_REFINE_FLAGS_REQUIRE_HISTORY |
+		               GS_PLUGIN_REFINE_FLAGS_REQUIRE_ORIGIN_HOSTNAME |
+		               GS_PLUGIN_REFINE_FLAGS_REQUIRE_SETUP_ACTION |
+		               GS_PLUGIN_REFINE_FLAGS_REQUIRE_DESCRIPTION |
+		               GS_PLUGIN_REFINE_FLAGS_REQUIRE_LICENSE |
+		               GS_PLUGIN_REFINE_FLAGS_REQUIRE_RATING |
+		               GS_PLUGIN_REFINE_FLAGS_ALLOW_PACKAGES;
+
+		search_data = g_ptr_array_index (self->array_search_data, i);
+		if (search_data->search_filename != NULL) {
+			g_autoptr(GsPluginJob) plugin_job = NULL;
+			g_autoptr(GsAppQuery) query = NULL;
+			const gchar *provides_files[2] = { search_data->search_filename, NULL };
+
+			query = gs_app_query_new ("provides-files", provides_files,
+						  "refine-flags", refine_flags,
+						  NULL);
+
+			plugin_job = gs_plugin_job_list_apps_new (query, GS_PLUGIN_LIST_APPS_FLAGS_INTERACTIVE);
+
+			g_debug ("searching filename: '%s'", search_data->search_filename);
+			gs_plugin_loader_job_process_async (self->plugin_loader,
+							    plugin_job,
+							    self->search_cancellable,
+							    search_files_cb,
+							    search_data);
+		} else if (search_data->package_filename != NULL) {
+			g_autoptr (GFile) file = NULL;
+			g_autoptr(GsPluginJob) plugin_job = NULL;
+			file = g_file_new_for_path (search_data->package_filename);
+			plugin_job = gs_plugin_job_newv (GS_PLUGIN_ACTION_FILE_TO_APP,
+							 "file", file,
+							 "refine-flags", refine_flags,
+							 NULL);
+			g_debug ("resolving filename to app: '%s'", search_data->package_filename);
+			gs_plugin_loader_job_process_async (self->plugin_loader, plugin_job,
+							    self->search_cancellable,
+							    file_to_app_cb,
+							    search_data);
+		} else {
+			g_autoptr(GsPluginJob) plugin_job = NULL;
+			g_autoptr(GsAppQuery) query = NULL;
+
+			query = gs_app_query_new ("provides-tag", search_data->search,
+						  "provides-type", search_data->search_provides_type,
+						  "refine-flags", refine_flags,
+						  NULL);
+
+			plugin_job = gs_plugin_job_list_apps_new (query, GS_PLUGIN_LIST_APPS_FLAGS_INTERACTIVE);
+
+			g_debug ("searching what provides: '%s'", search_data->search);
+			gs_plugin_loader_job_process_async (self->plugin_loader,
+							    plugin_job,
+							    self->search_cancellable,
+							    get_search_what_provides_cb,
+							    search_data);
+		}
+		self->pending_search_cnt++;
+	}
+
+	/* the page title will have changed */
+	g_object_notify (G_OBJECT (self), "title");
+}
+
+static void
+gs_extras_page_reload (GsPage *page)
+{
+	GsExtrasPage *self = GS_EXTRAS_PAGE (page);
+	if (self->array_search_data != NULL)
+		gs_extras_page_load (self, NULL);
+}
+
+static void
+gs_extras_page_search_package_files (GsExtrasPage *self, gchar **files)
+{
+	g_autoptr(GPtrArray) array_search_data = g_ptr_array_new_with_free_func ((GDestroyNotify) search_data_free);
+	guint i;
+
+	for (i = 0; files[i] != NULL; i++) {
+		SearchData *search_data;
+
+		search_data = g_slice_new0 (SearchData);
+		search_data->title = g_strdup (files[i]);
+		search_data->package_filename = g_strdup (files[i]);
+		search_data->url_not_found = gs_vendor_get_not_found_url (self->vendor, GS_VENDOR_URL_TYPE_DEFAULT);
+		search_data->self = g_object_ref (self);
+		g_ptr_array_add (array_search_data, search_data);
+	}
+
+	gs_extras_page_load (self, array_search_data);
+}
+
+static void
+gs_extras_page_search_provide_files (GsExtrasPage *self, gchar **files)
+{
+	g_autoptr(GPtrArray) array_search_data = g_ptr_array_new_with_free_func ((GDestroyNotify) search_data_free);
+	guint i;
+
+	for (i = 0; files[i] != NULL; i++) {
+		SearchData *search_data;
+
+		search_data = g_slice_new0 (SearchData);
+		search_data->title = g_strdup (files[i]);
+		search_data->search_filename = g_strdup (files[i]);
+		search_data->url_not_found = gs_vendor_get_not_found_url (self->vendor, GS_VENDOR_URL_TYPE_DEFAULT);
+		search_data->self = g_object_ref (self);
+		g_ptr_array_add (array_search_data, search_data);
+	}
+
+	gs_extras_page_load (self, array_search_data);
+}
+
+static void
+gs_extras_page_search_package_names (GsExtrasPage *self, gchar **package_names)
+{
+	g_autoptr(GPtrArray) array_search_data = g_ptr_array_new_with_free_func ((GDestroyNotify) search_data_free);
+	guint i;
+
+	for (i = 0; package_names[i] != NULL; i++) {
+		SearchData *search_data;
+
+		search_data = g_slice_new0 (SearchData);
+		search_data->title = g_strdup (package_names[i]);
+		search_data->search = g_strdup (package_names[i]);
+		search_data->search_provides_type = GS_APP_QUERY_PROVIDES_PACKAGE_NAME;
+		search_data->url_not_found = gs_vendor_get_not_found_url (self->vendor, GS_VENDOR_URL_TYPE_DEFAULT);
+		search_data->self = g_object_ref (self);
+		g_ptr_array_add (array_search_data, search_data);
+	}
+
+	gs_extras_page_load (self, array_search_data);
+}
+
+static void
+gs_extras_page_search_mime_types (GsExtrasPage *self, gchar **mime_types)
+{
+	g_autoptr(GPtrArray) array_search_data = g_ptr_array_new_with_free_func ((GDestroyNotify) search_data_free);
+	guint i;
+
+	for (i = 0; mime_types[i] != NULL; i++) {
+		SearchData *search_data;
+
+		search_data = g_slice_new0 (SearchData);
+		search_data->title = g_strdup_printf (_("%s file format"), mime_types[i]);
+		search_data->search = g_strdup (mime_types[i]);
+		search_data->search_provides_type = GS_APP_QUERY_PROVIDES_MIME_HANDLER;
+		search_data->url_not_found = gs_vendor_get_not_found_url (self->vendor, GS_VENDOR_URL_TYPE_MIME);
+		search_data->self = g_object_ref (self);
+		g_ptr_array_add (array_search_data, search_data);
+	}
+
+	gs_extras_page_load (self, array_search_data);
+}
+
+static gchar *
+font_tag_to_lang (const gchar *tag)
+{
+	if (g_str_has_prefix (tag, ":lang="))
+		return g_strdup (tag + 6);
+
+	return NULL;
+}
+
+static gchar *
+gs_extras_page_font_tag_to_localised_name (GsExtrasPage *self, const gchar *tag)
+{
+	gchar *name;
+	g_autofree gchar *lang = NULL;
+	g_autofree gchar *language = NULL;
+
+	/* use fontconfig to get the language code */
+	lang = font_tag_to_lang (tag);
+	if (lang == NULL) {
+		g_warning ("Could not parse language tag '%s'", tag);
+		return NULL;
+	}
+
+	/* convert to localisable name */
+	language = gs_language_iso639_to_language (self->language, lang);
+	if (language == NULL) {
+		g_warning ("Could not match language code '%s' to an ISO639 language", lang);
+		return NULL;
+	}
+
+	/* get translation, or return untranslated string */
+	name = g_strdup (dgettext("iso_639", language));
+	if (name == NULL)
+		name = g_strdup (language);
+
+	return name;
+}
+
+static void
+gs_extras_page_search_fontconfig_resources (GsExtrasPage *self, gchar **resources)
+{
+	g_autoptr(GPtrArray) array_search_data = g_ptr_array_new_with_free_func ((GDestroyNotify) search_data_free);
+	guint i;
+
+	for (i = 0; resources[i] != NULL; i++) {
+		SearchData *search_data;
+
+		search_data = g_slice_new0 (SearchData);
+		search_data->title = gs_extras_page_font_tag_to_localised_name (self, resources[i]);
+		search_data->search = g_strdup (resources[i]);
+		search_data->search_provides_type = GS_APP_QUERY_PROVIDES_FONT;
+		search_data->url_not_found = gs_vendor_get_not_found_url (self->vendor, GS_VENDOR_URL_TYPE_FONT);
+		search_data->self = g_object_ref (self);
+		g_ptr_array_add (array_search_data, search_data);
+	}
+
+	gs_extras_page_load (self, array_search_data);
+}
+
+static void
+gs_extras_page_search_gstreamer_resources (GsExtrasPage *self, gchar **resources)
+{
+	g_autoptr(GPtrArray) array_search_data = g_ptr_array_new_with_free_func ((GDestroyNotify) search_data_free);
+	guint i;
+
+	for (i = 0; resources[i] != NULL; i++) {
+		SearchData *search_data;
+		g_auto(GStrv) parts = NULL;
+
+		parts = g_strsplit (resources[i], "|", 2);
+
+		search_data = g_slice_new0 (SearchData);
+		search_data->title = g_strdup (parts[0]);
+		search_data->search = g_strdup (parts[1]);
+		search_data->search_provides_type = GS_APP_QUERY_PROVIDES_GSTREAMER;
+		search_data->url_not_found = gs_vendor_get_not_found_url (self->vendor, GS_VENDOR_URL_TYPE_CODEC);
+		search_data->self = g_object_ref (self);
+		g_ptr_array_add (array_search_data, search_data);
+	}
+
+	gs_extras_page_load (self, array_search_data);
+}
+
+static void
+gs_extras_page_search_plasma_resources (GsExtrasPage *self, gchar **resources)
+{
+	g_autoptr(GPtrArray) array_search_data = g_ptr_array_new_with_free_func ((GDestroyNotify) search_data_free);
+	guint i;
+
+	for (i = 0; resources[i] != NULL; i++) {
+		SearchData *search_data;
+
+		search_data = g_slice_new0 (SearchData);
+		search_data->title = g_strdup (resources[i]);
+		search_data->search = g_strdup (resources[i]);
+		search_data->search_provides_type = GS_APP_QUERY_PROVIDES_PLASMA;
+		search_data->url_not_found = gs_vendor_get_not_found_url (self->vendor, GS_VENDOR_URL_TYPE_DEFAULT);
+		search_data->self = g_object_ref (self);
+		g_ptr_array_add (array_search_data, search_data);
+	}
+
+	gs_extras_page_load (self, array_search_data);
+}
+
+static void
+gs_extras_page_search_printer_drivers (GsExtrasPage *self, gchar **device_ids)
+{
+	g_autoptr(GPtrArray) array_search_data = g_ptr_array_new_with_free_func ((GDestroyNotify) search_data_free);
+	guint i, j;
+	guint len;
+
+	len = g_strv_length (device_ids);
+	if (len > 1)
+		/* hardcode for now as we only support one at a time */
+		len = 1;
+
+	/* make a list of provides tags */
+	for (i = 0; i < len; i++) {
+		SearchData *search_data;
+		gchar *p;
+		guint n_fields;
+		g_autofree gchar *tag = NULL;
+		g_autofree gchar *mfg = NULL;
+		g_autofree gchar *mdl = NULL;
+		g_auto(GStrv) fields = NULL;
+
+		fields = g_strsplit (device_ids[i], ";", 0);
+		n_fields = g_strv_length (fields);
+		mfg = mdl = NULL;
+		for (j = 0; j < n_fields && (!mfg || !mdl); j++) {
+			if (g_str_has_prefix (fields[j], "MFG:"))
+				mfg = g_strdup (fields[j] + 4);
+			else if (g_str_has_prefix (fields[j], "MDL:"))
+				mdl = g_strdup (fields[j] + 4);
+		}
+
+		if (!mfg || !mdl) {
+			g_warning("invalid line '%s', missing field",
+				    device_ids[i]);
+			continue;
+		}
+
+		tag = g_strdup_printf ("%s;%s;", mfg, mdl);
+
+		/* Replace spaces with underscores */
+		for (p = tag; *p != '\0'; p++)
+			if (*p == ' ')
+				*p = '_';
+
+		search_data = g_slice_new0 (SearchData);
+		search_data->title = g_strdup_printf ("%s %s", mfg, mdl);
+		search_data->search = g_ascii_strdown (tag, -1);
+		search_data->search_provides_type = GS_APP_QUERY_PROVIDES_PS_DRIVER;
+		search_data->url_not_found = gs_vendor_get_not_found_url (self->vendor, GS_VENDOR_URL_TYPE_HARDWARE);
+		search_data->self = g_object_ref (self);
+		g_ptr_array_add (array_search_data, search_data);
+	}
+
+	gs_extras_page_load (self, array_search_data);
+}
+
+static gchar *
+gs_extras_page_get_app_name (const gchar *desktop_id)
+{
+	g_autoptr(GDesktopAppInfo) app_info = NULL;
+
+	if (!desktop_id || !*desktop_id)
+		return NULL;
+
+	app_info = g_desktop_app_info_new (desktop_id);
+	if (!app_info)
+		return NULL;
+
+	return g_strdup (g_app_info_get_display_name (G_APP_INFO (app_info)));
+}
+
+void
+gs_extras_page_search (GsExtrasPage  *self,
+                       const gchar   *mode_str,
+                       gchar        **resources,
+                       const gchar   *desktop_id,
+                       const gchar   *ident)
+{
+	GsExtrasPageMode old_mode;
+
+	old_mode = self->mode;
+	self->mode = gs_extras_page_mode_from_string (mode_str);
+
+	if (old_mode != self->mode)
+		g_object_notify (G_OBJECT (self), "title");
+
+	g_clear_pointer (&self->caller_app_name, g_free);
+	self->caller_app_name = gs_extras_page_get_app_name (desktop_id);
+	g_clear_pointer (&self->install_resources_ident, g_free);
+	self->install_resources_ident = (ident && *ident) ? g_strdup (ident) : NULL;
+
+	switch (self->mode) {
+	case GS_EXTRAS_PAGE_MODE_INSTALL_PACKAGE_FILES:
+		gs_extras_page_search_package_files (self, resources);
+		break;
+	case GS_EXTRAS_PAGE_MODE_INSTALL_PROVIDE_FILES:
+		gs_extras_page_search_provide_files (self, resources);
+		break;
+	case GS_EXTRAS_PAGE_MODE_INSTALL_PACKAGE_NAMES:
+		gs_extras_page_search_package_names (self, resources);
+		break;
+	case GS_EXTRAS_PAGE_MODE_INSTALL_MIME_TYPES:
+		gs_extras_page_search_mime_types (self, resources);
+		break;
+	case GS_EXTRAS_PAGE_MODE_INSTALL_FONTCONFIG_RESOURCES:
+		gs_extras_page_search_fontconfig_resources (self, resources);
+		break;
+	case GS_EXTRAS_PAGE_MODE_INSTALL_GSTREAMER_RESOURCES:
+		gs_extras_page_search_gstreamer_resources (self, resources);
+		break;
+	case GS_EXTRAS_PAGE_MODE_INSTALL_PLASMA_RESOURCES:
+		gs_extras_page_search_plasma_resources (self, resources);
+		break;
+	case GS_EXTRAS_PAGE_MODE_INSTALL_PRINTER_DRIVERS:
+		gs_extras_page_search_printer_drivers (self, resources);
+		break;
+	default:
+		g_assert_not_reached ();
+		break;
+	}
+}
+
+static void
+gs_extras_page_switch_to (GsPage *page)
+{
+	GsExtrasPage *self = GS_EXTRAS_PAGE (page);
+
+	if (gs_shell_get_mode (self->shell) != GS_SHELL_MODE_EXTRAS) {
+		g_warning ("Called switch_to(codecs) when in mode %s",
+			   gs_shell_get_mode_string (self->shell));
+		return;
+	}
+
+	gs_extras_page_update_ui_state (self);
+}
+
+static void
+row_activated_cb (GtkListBox *list_box,
+                  GtkListBoxRow *row,
+                  GsExtrasPage *self)
+{
+	GsApp *app;
+
+	app = gs_app_row_get_app (GS_APP_ROW (row));
+
+	if (gs_app_get_state (app) == GS_APP_STATE_UNAVAILABLE &&
+	    gs_app_get_url_missing (app) != NULL) {
+		gs_shell_show_uri (self->shell,
+		                   gs_app_get_url_missing (app));
+	} else {
+		gs_shell_show_app (self->shell, app);
+	}
+}
+
+static gchar *
+get_app_sort_key (GsApp *app)
+{
+	GString *key = NULL;
+	g_autofree gchar *sort_name = NULL;
+
+	key = g_string_sized_new (64);
+
+	/* sort missing applications as last */
+	switch (gs_app_get_state (app)) {
+	case GS_APP_STATE_UNAVAILABLE:
+		g_string_append (key, "9:");
+		break;
+	default:
+		g_string_append (key, "1:");
+		break;
+	}
+
+	/* finally, sort by short name */
+	if (gs_app_get_name (app) != NULL) {
+		sort_name = gs_utils_sort_key (gs_app_get_name (app));
+		g_string_append (key, sort_name);
+	}
+
+	return g_string_free (key, FALSE);
+}
+
+static gint
+list_sort_func (GtkListBoxRow *a,
+                GtkListBoxRow *b,
+                gpointer user_data)
+{
+	GsApp *a1 = gs_app_row_get_app (GS_APP_ROW (a));
+	GsApp *a2 = gs_app_row_get_app (GS_APP_ROW (b));
+	g_autofree gchar *key1 = get_app_sort_key (a1);
+	g_autofree gchar *key2 = get_app_sort_key (a2);
+
+	/* compare the keys according to the algorithm above */
+	return g_strcmp0 (key1, key2);
+}
+
+static void
+list_header_func (GtkListBoxRow *row,
+                  GtkListBoxRow *before,
+                  gpointer user_data)
+{
+	GtkWidget *header;
+
+	/* first entry */
+	header = gtk_list_box_row_get_header (row);
+	if (before == NULL) {
+		gtk_list_box_row_set_header (row, NULL);
+		return;
+	}
+
+	/* already set */
+	if (header != NULL)
+		return;
+
+	/* set new */
+	header = gtk_separator_new (GTK_ORIENTATION_HORIZONTAL);
+	gtk_list_box_row_set_header (row, header);
+}
+
+static gboolean
+gs_extras_page_setup (GsPage *page,
+                      GsShell *shell,
+                      GsPluginLoader *plugin_loader,
+                      GCancellable *cancellable,
+                      GError **error)
+{
+	GsExtrasPage *self = GS_EXTRAS_PAGE (page);
+
+	g_return_val_if_fail (GS_IS_EXTRAS_PAGE (self), TRUE);
+
+	self->shell = shell;
+
+	self->plugin_loader = g_object_ref (plugin_loader);
+
+	g_signal_connect (self->list_box_results, "row-activated",
+			  G_CALLBACK (row_activated_cb), self);
+	gtk_list_box_set_header_func (GTK_LIST_BOX (self->list_box_results),
+				      list_header_func,
+				      self, NULL);
+	gtk_list_box_set_sort_func (GTK_LIST_BOX (self->list_box_results),
+				    list_sort_func,
+				    self, NULL);
+	return TRUE;
+}
+
+static void
+gs_extras_page_get_property (GObject    *object,
+                             guint       prop_id,
+                             GValue     *value,
+                             GParamSpec *pspec)
+{
+	GsExtrasPage *self = GS_EXTRAS_PAGE (object);
+
+	switch ((GsExtrasPageProperty) prop_id) {
+	case PROP_VADJUSTMENT:
+		g_value_set_object (value, gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (self->scrolledwindow)));
+		break;
+	case PROP_TITLE:
+		switch (self->state) {
+		case GS_EXTRAS_PAGE_STATE_LOADING:
+		case GS_EXTRAS_PAGE_STATE_READY:
+			g_value_take_string (value, build_title (self));
+			break;
+		case GS_EXTRAS_PAGE_STATE_NO_RESULTS:
+		case GS_EXTRAS_PAGE_STATE_FAILED:
+			g_value_set_string (value, _("Unable to Find Requested Software"));
+			break;
+		default:
+			g_assert_not_reached ();
+			break;
+		}
+		break;
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+		break;
+	}
+}
+
+static void
+gs_extras_page_set_property (GObject      *object,
+                             guint         prop_id,
+                             const GValue *value,
+                             GParamSpec   *pspec)
+{
+	switch ((GsExtrasPageProperty) prop_id) {
+	case PROP_VADJUSTMENT:
+	case PROP_TITLE:
+		/* Read-only */
+		g_assert_not_reached ();
+		break;
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+		break;
+	}
+}
+
+static void
+gs_extras_page_dispose (GObject *object)
+{
+	GsExtrasPage *self = GS_EXTRAS_PAGE (object);
+
+	g_cancellable_cancel (self->search_cancellable);
+	g_clear_object (&self->search_cancellable);
+
+	g_clear_object (&self->sizegroup_name);
+	g_clear_object (&self->sizegroup_button_label);
+	g_clear_object (&self->sizegroup_button_image);
+	g_clear_object (&self->language);
+	g_clear_object (&self->vendor);
+	g_clear_object (&self->plugin_loader);
+
+	g_clear_pointer (&self->array_search_data, g_ptr_array_unref);
+	g_clear_pointer (&self->caller_app_name, g_free);
+	g_clear_pointer (&self->install_resources_ident, g_free);
+
+	G_OBJECT_CLASS (gs_extras_page_parent_class)->dispose (object);
+}
+
+static void
+gs_extras_page_init (GsExtrasPage *self)
+{
+	g_autoptr(GError) error = NULL;
+
+	gtk_widget_init_template (GTK_WIDGET (self));
+
+	self->state = GS_EXTRAS_PAGE_STATE_LOADING;
+	self->sizegroup_name = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
+	self->sizegroup_button_label = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
+	self->sizegroup_button_image = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
+	self->vendor = gs_vendor_new ();
+
+	/* map ISO639 to language names */
+	self->language = gs_language_new ();
+	gs_language_populate (self->language, &error);
+	if (error != NULL)
+		g_error ("Failed to map ISO639 to language names: %s", error->message);
+}
+
+static void
+gs_extras_page_class_init (GsExtrasPageClass *klass)
+{
+	GObjectClass *object_class = G_OBJECT_CLASS (klass);
+	GsPageClass *page_class = GS_PAGE_CLASS (klass);
+	GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+	object_class->get_property = gs_extras_page_get_property;
+	object_class->set_property = gs_extras_page_set_property;
+	object_class->dispose = gs_extras_page_dispose;
+
+	page_class->switch_to = gs_extras_page_switch_to;
+	page_class->reload = gs_extras_page_reload;
+	page_class->setup = gs_extras_page_setup;
+
+	g_object_class_override_property (object_class, PROP_VADJUSTMENT, "vadjustment");
+	g_object_class_override_property (object_class, PROP_TITLE, "title");
+
+	gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/Software/gs-extras-page.ui");
+
+	gtk_widget_class_bind_template_child (widget_class, GsExtrasPage, label_failed);
+	gtk_widget_class_bind_template_child (widget_class, GsExtrasPage, label_no_results);
+	gtk_widget_class_bind_template_child (widget_class, GsExtrasPage, list_box_results);
+	gtk_widget_class_bind_template_child (widget_class, GsExtrasPage, scrolledwindow);
+	gtk_widget_class_bind_template_child (widget_class, GsExtrasPage, spinner);
+	gtk_widget_class_bind_template_child (widget_class, GsExtrasPage, stack);
+}
+
+GsExtrasPage *
+gs_extras_page_new (void)
+{
+	GsExtrasPage *self;
+	self = g_object_new (GS_TYPE_EXTRAS_PAGE, NULL);
+	return GS_EXTRAS_PAGE (self);
+}