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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:39:48 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:39:48 +0000
commit3ade071f273aaa973e44bf95d6b1d4913a18f03b (patch)
treee2f99d267ae18427645404f215b984afbe73098d /src/nautilus-application.c
parentInitial commit. (diff)
downloadnautilus-3ade071f273aaa973e44bf95d6b1d4913a18f03b.tar.xz
nautilus-3ade071f273aaa973e44bf95d6b1d4913a18f03b.zip
Adding upstream version 43.2.upstream/43.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/nautilus-application.c')
-rw-r--r--src/nautilus-application.c1542
1 files changed, 1542 insertions, 0 deletions
diff --git a/src/nautilus-application.c b/src/nautilus-application.c
new file mode 100644
index 0000000..22bfdb7
--- /dev/null
+++ b/src/nautilus-application.c
@@ -0,0 +1,1542 @@
+/*
+ * nautilus-application: main Nautilus application class.
+ *
+ * Copyright (C) 1999, 2000 Red Hat, Inc.
+ * Copyright (C) 2000, 2001 Eazel, Inc.
+ * Copyright (C) 2010, Cosimo Cecchi <cosimoc@gnome.org>
+ *
+ * Nautilus is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * Nautilus is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Authors: Elliot Lee <sopwith@redhat.com>,
+ * Darin Adler <darin@bentspoon.com>
+ * Cosimo Cecchi <cosimoc@gnome.org>
+ *
+ */
+
+#include "nautilus-application.h"
+
+#include <eel/eel-stock-dialogs.h>
+#include <fcntl.h>
+#include <gdk/gdk.h>
+#include <gio/gio.h>
+#include <glib/gi18n.h>
+#include <glib/gstdio.h>
+#include <gtk/gtk.h>
+#include <libadwaita-1/adwaita.h>
+#include <nautilus-extension.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#define DEBUG_FLAG NAUTILUS_DEBUG_APPLICATION
+#include "nautilus-debug.h"
+
+#include "nautilus-bookmark-list.h"
+#include "nautilus-clipboard.h"
+#include "nautilus-dbus-launcher.h"
+#include "nautilus-dbus-manager.h"
+#include "nautilus-directory-private.h"
+#include "nautilus-file.h"
+#include "nautilus-file-operations.h"
+#include "nautilus-file-undo-manager.h"
+#include "nautilus-file-utilities.h"
+#include "nautilus-freedesktop-dbus.h"
+#include "nautilus-global-preferences.h"
+#include "nautilus-icon-info.h"
+#include "nautilus-lib-self-check-functions.h"
+#include "nautilus-module.h"
+#include "nautilus-preferences-window.h"
+#include "nautilus-previewer.h"
+#include "nautilus-profile.h"
+#include "nautilus-progress-persistence-handler.h"
+#include "nautilus-self-check-functions.h"
+#include "nautilus-shell-search-provider.h"
+#include "nautilus-signaller.h"
+#include "nautilus-tag-manager.h"
+#include "nautilus-tracker-utilities.h"
+#include "nautilus-ui-utilities.h"
+#include "nautilus-view.h"
+#include "nautilus-window-slot.h"
+#include "nautilus-window.h"
+
+typedef struct
+{
+ NautilusProgressPersistenceHandler *progress_handler;
+ NautilusDBusManager *dbus_manager;
+ NautilusFreedesktopDBus *fdb_manager;
+
+ NautilusBookmarkList *bookmark_list;
+
+ NautilusShellSearchProvider *search_provider;
+
+ GList *windows;
+
+ GHashTable *notifications;
+
+ NautilusFileUndoManager *undo_manager;
+
+ NautilusTagManager *tag_manager;
+
+ NautilusDBusLauncher *dbus_launcher;
+
+ guint previewer_selection_id;
+} NautilusApplicationPrivate;
+
+G_DEFINE_TYPE_WITH_PRIVATE (NautilusApplication, nautilus_application, ADW_TYPE_APPLICATION);
+
+void
+nautilus_application_set_accelerator (GApplication *app,
+ const gchar *action_name,
+ const gchar *accel)
+{
+ const gchar *vaccels[] =
+ {
+ accel,
+ NULL
+ };
+
+ gtk_application_set_accels_for_action (GTK_APPLICATION (app), action_name, vaccels);
+}
+
+void
+nautilus_application_set_accelerators (GApplication *app,
+ const gchar *action_name,
+ const gchar **accels)
+{
+ gtk_application_set_accels_for_action (GTK_APPLICATION (app), action_name, accels);
+}
+
+GList *
+nautilus_application_get_windows (NautilusApplication *self)
+{
+ NautilusApplicationPrivate *priv;
+
+ priv = nautilus_application_get_instance_private (self);
+
+ return priv->windows;
+}
+
+NautilusBookmarkList *
+nautilus_application_get_bookmarks (NautilusApplication *self)
+{
+ NautilusApplicationPrivate *priv;
+
+ priv = nautilus_application_get_instance_private (self);
+
+ if (!priv->bookmark_list)
+ {
+ priv->bookmark_list = nautilus_bookmark_list_new ();
+ }
+
+ return priv->bookmark_list;
+}
+
+static gboolean
+check_required_directories (NautilusApplication *self)
+{
+ char *user_directory;
+ GSList *directories;
+ gboolean ret;
+
+ g_assert (NAUTILUS_IS_APPLICATION (self));
+
+ nautilus_profile_start (NULL);
+
+ ret = TRUE;
+
+ user_directory = nautilus_get_user_directory ();
+
+ directories = NULL;
+
+ if (!g_file_test (user_directory, G_FILE_TEST_IS_DIR))
+ {
+ directories = g_slist_prepend (directories, user_directory);
+ }
+
+ if (directories != NULL)
+ {
+ int failed_count;
+ GString *directories_as_string;
+ GSList *l;
+ char *error_string;
+ g_autofree char *detail_string = NULL;
+ AdwMessageDialog *dialog;
+
+ ret = FALSE;
+
+ failed_count = g_slist_length (directories);
+
+ directories_as_string = g_string_new ((const char *) directories->data);
+ for (l = directories->next; l != NULL; l = l->next)
+ {
+ g_string_append_printf (directories_as_string, ", %s", (const char *) l->data);
+ }
+
+ error_string = _("Oops! Something went wrong.");
+ if (failed_count == 1)
+ {
+ detail_string = g_strdup_printf (_("Unable to create a required folder. "
+ "Please create the following folder, or "
+ "set permissions such that it can be created:\n%s"),
+ directories_as_string->str);
+ }
+ else
+ {
+ detail_string = g_strdup_printf (_("Unable to create required folders. "
+ "Please create the following folders, or "
+ "set permissions such that they can be created:\n%s"),
+ directories_as_string->str);
+ }
+
+ dialog = show_dialog (error_string, detail_string, NULL, GTK_MESSAGE_ERROR);
+ /* We need the main event loop so the user has a chance to see the dialog. */
+ gtk_application_add_window (GTK_APPLICATION (self),
+ GTK_WINDOW (dialog));
+
+ g_string_free (directories_as_string, TRUE);
+ }
+
+ g_slist_free (directories);
+ g_free (user_directory);
+ nautilus_profile_end (NULL);
+
+ return ret;
+}
+
+static void
+menu_provider_items_updated_handler (NautilusMenuProvider *provider,
+ GtkWidget *parent_window,
+ gpointer data)
+{
+ g_signal_emit_by_name (nautilus_signaller_get_current (),
+ "popup-menu-changed");
+}
+
+static void
+menu_provider_init_callback (void)
+{
+ GList *providers;
+ GList *l;
+
+ providers = nautilus_module_get_extensions_for_type (NAUTILUS_TYPE_MENU_PROVIDER);
+
+ for (l = providers; l != NULL; l = l->next)
+ {
+ NautilusMenuProvider *provider = NAUTILUS_MENU_PROVIDER (l->data);
+
+ g_signal_connect_after (G_OBJECT (provider), "items-updated",
+ (GCallback) menu_provider_items_updated_handler,
+ NULL);
+ }
+
+ nautilus_module_extension_list_free (providers);
+}
+
+NautilusWindow *
+nautilus_application_create_window (NautilusApplication *self)
+{
+ NautilusWindow *window;
+ gboolean maximized;
+ g_autoptr (GVariant) default_size = NULL;
+ gint default_width = 0;
+ gint default_height = 0;
+
+ g_return_val_if_fail (NAUTILUS_IS_APPLICATION (self), NULL);
+ nautilus_profile_start (NULL);
+
+ window = nautilus_window_new ();
+
+ maximized = g_settings_get_boolean
+ (nautilus_window_state, NAUTILUS_WINDOW_STATE_MAXIMIZED);
+ if (maximized)
+ {
+ gtk_window_maximize (GTK_WINDOW (window));
+ }
+ else
+ {
+ gtk_window_unmaximize (GTK_WINDOW (window));
+ }
+ default_size = g_settings_get_value (nautilus_window_state,
+ NAUTILUS_WINDOW_STATE_INITIAL_SIZE);
+
+ g_variant_get (default_size, "(ii)", &default_width, &default_height);
+
+ gtk_window_set_default_size (GTK_WINDOW (window),
+ MAX (NAUTILUS_WINDOW_MIN_WIDTH, default_width),
+ MAX (NAUTILUS_WINDOW_MIN_HEIGHT, default_height));
+
+ if (g_strcmp0 (PROFILE, "") != 0)
+ {
+ GtkStyleContext *style_context;
+
+ style_context = gtk_widget_get_style_context (GTK_WIDGET (window));
+
+ gtk_style_context_add_class (style_context, "devel");
+ }
+
+ DEBUG ("Creating a new navigation window");
+ nautilus_profile_end (NULL);
+
+ return window;
+}
+
+static NautilusWindowSlot *
+get_window_slot_for_location (NautilusApplication *self,
+ GFile *location)
+{
+ NautilusApplicationPrivate *priv;
+ NautilusWindowSlot *slot;
+ NautilusWindow *window;
+ NautilusFile *file;
+ GList *l, *sl;
+
+ priv = nautilus_application_get_instance_private (self);
+ slot = NULL;
+ file = nautilus_file_get (location);
+
+ if (!nautilus_file_is_directory (file) && !nautilus_file_is_other_locations (file) &&
+ g_file_has_parent (location, NULL))
+ {
+ location = g_file_get_parent (location);
+ }
+ else
+ {
+ g_object_ref (location);
+ }
+
+ for (l = priv->windows; l != NULL; l = l->next)
+ {
+ window = l->data;
+
+ for (sl = nautilus_window_get_slots (window); sl; sl = sl->next)
+ {
+ NautilusWindowSlot *current = sl->data;
+ GFile *slot_location = nautilus_window_slot_get_location (current);
+
+ if (slot_location && g_file_equal (slot_location, location))
+ {
+ slot = current;
+ break;
+ }
+ }
+
+ if (slot)
+ {
+ break;
+ }
+ }
+
+ nautilus_file_unref (file);
+ g_object_unref (location);
+
+ return slot;
+}
+
+void
+nautilus_application_open_location_full (NautilusApplication *self,
+ GFile *location,
+ NautilusOpenFlags flags,
+ GList *selection,
+ NautilusWindow *target_window,
+ NautilusWindowSlot *target_slot)
+{
+ NAUTILUS_APPLICATION_CLASS (G_OBJECT_GET_CLASS (self))->open_location_full (self,
+ location,
+ flags,
+ selection,
+ target_window,
+ target_slot);
+}
+
+static void
+real_open_location_full (NautilusApplication *self,
+ GFile *location,
+ NautilusOpenFlags flags,
+ GList *selection,
+ NautilusWindow *target_window,
+ NautilusWindowSlot *target_slot)
+{
+ NautilusWindowSlot *active_slot = NULL;
+ NautilusWindow *active_window;
+ GFile *old_location = NULL;
+ char *old_uri, *new_uri;
+ gboolean use_same;
+ GdkDisplay *display;
+
+ use_same = TRUE;
+ /* FIXME: We are having problems on getting the current focused window with
+ * gtk_application_get_active_window, see https://bugzilla.gnome.org/show_bug.cgi?id=756499
+ * so what we do is never rely on this on the callers, but would be cool to
+ * make it work withouth explicitly setting the active window on the callers. */
+ active_window = NAUTILUS_WINDOW (gtk_application_get_active_window (GTK_APPLICATION (self)));
+ /* There is no active window if the application is run with
+ * --gapplication-service
+ */
+ if (active_window)
+ {
+ active_slot = nautilus_window_get_active_slot (active_window);
+ /* Just for debug.*/
+ if (active_slot != NULL)
+ {
+ old_location = nautilus_window_slot_get_location (active_slot);
+ }
+ }
+
+
+ /* this happens at startup */
+ if (old_location == NULL)
+ {
+ old_uri = g_strdup ("(none)");
+ }
+ else
+ {
+ old_uri = g_file_get_uri (old_location);
+ }
+
+ new_uri = g_file_get_uri (location);
+
+ DEBUG ("Application opening location, old: %s, new: %s", old_uri, new_uri);
+ nautilus_profile_start ("Application opening location, old: %s, new: %s", old_uri, new_uri);
+
+ g_free (old_uri);
+ g_free (new_uri);
+ /* end debug */
+
+ /* In case a target slot is provided, we can use it's associated window.
+ * In case a target window were given as well, we give preference to the
+ * slot we target at */
+ if (target_slot != NULL)
+ {
+ target_window = nautilus_window_slot_get_window (target_slot);
+ }
+
+ g_assert (!((flags & NAUTILUS_OPEN_FLAG_NEW_WINDOW) != 0 &&
+ (flags & NAUTILUS_OPEN_FLAG_NEW_TAB) != 0));
+
+ /* and if the flags specify so, this is overridden */
+ if ((flags & NAUTILUS_OPEN_FLAG_NEW_WINDOW) != 0)
+ {
+ use_same = FALSE;
+ }
+
+ /* now get/create the window */
+ if (use_same)
+ {
+ if (!target_window)
+ {
+ if (!target_slot)
+ {
+ target_window = active_window;
+ }
+ else
+ {
+ target_window = nautilus_window_slot_get_window (target_slot);
+ }
+ }
+ }
+ else
+ {
+ display = active_window != NULL ?
+ gtk_root_get_display (GTK_ROOT (active_window)) :
+ gdk_display_get_default ();
+
+ target_window = nautilus_application_create_window (self);
+ /* Whatever the caller says, the slot won't be the same */
+ gtk_window_set_display (GTK_WINDOW (target_window), display);
+ target_slot = NULL;
+ }
+
+ g_assert (target_window != NULL);
+
+ /* Application is the one that manages windows, so this flag shouldn't use
+ * it anymore by any client */
+ flags &= ~NAUTILUS_OPEN_FLAG_NEW_WINDOW;
+ nautilus_window_open_location_full (target_window, location, flags, selection, target_slot);
+}
+
+static NautilusWindow *
+open_window (NautilusApplication *self,
+ GFile *location)
+{
+ NautilusWindow *window;
+
+ nautilus_profile_start (NULL);
+ window = nautilus_application_create_window (self);
+
+ if (location != NULL)
+ {
+ nautilus_application_open_location_full (self, location, 0, NULL, window, NULL);
+ }
+ else
+ {
+ GFile *home;
+ home = g_file_new_for_path (g_get_home_dir ());
+ nautilus_application_open_location_full (self, home, 0, NULL, window, NULL);
+
+ g_object_unref (home);
+ }
+
+ nautilus_profile_end (NULL);
+
+ return window;
+}
+
+void
+nautilus_application_open_location (NautilusApplication *self,
+ GFile *location,
+ GFile *selection,
+ const char *startup_id)
+{
+ NautilusWindow *window;
+ NautilusWindowSlot *slot;
+ GList *sel_list = NULL;
+
+ nautilus_profile_start (NULL);
+
+ if (selection != NULL)
+ {
+ sel_list = g_list_prepend (sel_list, nautilus_file_get (selection));
+ }
+
+ slot = get_window_slot_for_location (self, location);
+
+ if (!slot)
+ {
+ window = nautilus_application_create_window (self);
+ }
+ else
+ {
+ window = nautilus_window_slot_get_window (slot);
+ }
+
+ nautilus_application_open_location_full (self, location, 0, sel_list, window, slot);
+
+ if (sel_list != NULL)
+ {
+ nautilus_file_list_free (sel_list);
+ }
+
+ nautilus_profile_end (NULL);
+}
+
+/* Note: when launched from command line we do not reach this method
+ * since we manually handle the command line parameters in order to
+ * parse --version, --check, etc.
+ * However this method is called when open () is called via dbus, for
+ * instance when gtk_uri_open () is called from outside.
+ */
+static void
+nautilus_application_open (GApplication *app,
+ GFile **files,
+ gint n_files,
+ const gchar *hint)
+{
+ NautilusApplication *self = NAUTILUS_APPLICATION (app);
+ gboolean force_new = (g_strcmp0 (hint, "new-window") == 0);
+ NautilusWindowSlot *slot = NULL;
+ GFile *file;
+ gint idx;
+
+ DEBUG ("Open called on the GApplication instance; %d files", n_files);
+
+ /* Open windows at each requested location. */
+ for (idx = 0; idx < n_files; idx++)
+ {
+ file = files[idx];
+
+ if (!force_new)
+ {
+ slot = get_window_slot_for_location (self, file);
+ }
+
+ if (!slot)
+ {
+ open_window (self, file);
+ }
+ else
+ {
+ /* We open the location again to update any possible selection */
+ nautilus_application_open_location_full (NAUTILUS_APPLICATION (app), file, 0, NULL, NULL, slot);
+ }
+ }
+}
+
+static void
+nautilus_application_finalize (GObject *object)
+{
+ NautilusApplication *self;
+ NautilusApplicationPrivate *priv;
+
+ self = NAUTILUS_APPLICATION (object);
+ priv = nautilus_application_get_instance_private (self);
+
+ g_clear_object (&priv->progress_handler);
+ g_clear_object (&priv->bookmark_list);
+
+ g_clear_object (&priv->fdb_manager);
+
+ g_list_free (priv->windows);
+
+ g_hash_table_destroy (priv->notifications);
+
+ g_clear_object (&priv->undo_manager);
+
+ g_clear_object (&priv->tag_manager);
+
+ g_clear_object (&priv->dbus_launcher);
+
+ G_OBJECT_CLASS (nautilus_application_parent_class)->finalize (object);
+}
+
+static gboolean
+do_cmdline_sanity_checks (NautilusApplication *self,
+ GVariantDict *options)
+{
+ gboolean retval = FALSE;
+
+ if (g_variant_dict_contains (options, "check") &&
+ (g_variant_dict_contains (options, G_OPTION_REMAINING) ||
+ g_variant_dict_contains (options, "quit")))
+ {
+ g_printerr ("%s\n",
+ _("--check cannot be used with other options."));
+ goto out;
+ }
+
+ if (g_variant_dict_contains (options, "quit") &&
+ g_variant_dict_contains (options, G_OPTION_REMAINING))
+ {
+ g_printerr ("%s\n",
+ _("--quit cannot be used with URIs."));
+ goto out;
+ }
+
+
+ if (g_variant_dict_contains (options, "select") &&
+ !g_variant_dict_contains (options, G_OPTION_REMAINING))
+ {
+ g_printerr ("%s\n",
+ _("--select must be used with at least an URI."));
+ goto out;
+ }
+
+ retval = TRUE;
+
+out:
+ return retval;
+}
+
+static int
+do_perform_self_checks (void)
+{
+#ifndef NAUTILUS_OMIT_SELF_CHECK
+ gtk_init ();
+
+ nautilus_profile_start (NULL);
+ /* Run the checks (each twice) for nautilus and libnautilus-private. */
+
+ nautilus_run_self_checks ();
+ nautilus_run_lib_self_checks ();
+ eel_exit_if_self_checks_failed ();
+
+ nautilus_run_self_checks ();
+ nautilus_run_lib_self_checks ();
+ eel_exit_if_self_checks_failed ();
+ nautilus_profile_end (NULL);
+#endif
+
+ return EXIT_SUCCESS;
+}
+
+static void
+nautilus_application_select (NautilusApplication *self,
+ GFile **files,
+ gint len)
+{
+ int i;
+ GFile *file;
+ GFile *parent;
+
+ for (i = 0; i < len; i++)
+ {
+ file = files[i];
+ parent = g_file_get_parent (file);
+ if (parent != NULL)
+ {
+ nautilus_application_open_location (self, parent, file, NULL);
+ g_object_unref (parent);
+ }
+ else
+ {
+ nautilus_application_open_location (self, file, NULL, NULL);
+ }
+ }
+}
+
+static void
+action_new_window (GSimpleAction *action,
+ GVariant *parameter,
+ gpointer user_data)
+{
+ NautilusApplication *application;
+ g_autoptr (GFile) home = NULL;
+
+ application = NAUTILUS_APPLICATION (user_data);
+ home = g_file_new_for_path (g_get_home_dir ());
+
+ nautilus_application_open_location_full (application, home,
+ NAUTILUS_OPEN_FLAG_NEW_WINDOW,
+ NULL, NULL, NULL);
+}
+
+static void
+action_clone_window (GSimpleAction *action,
+ GVariant *parameter,
+ gpointer user_data)
+{
+ NautilusWindowSlot *active_slot = NULL;
+ NautilusWindow *active_window = NULL;
+ GtkApplication *application = user_data;
+ g_autoptr (GFile) location = NULL;
+ NautilusView *current_view;
+
+ active_window = NAUTILUS_WINDOW (gtk_application_get_active_window (application));
+ active_slot = nautilus_window_get_active_slot (active_window);
+ current_view = nautilus_window_slot_get_current_view (active_slot);
+
+ if (current_view != NULL &&
+ nautilus_view_is_searching (current_view))
+ {
+ location = g_file_new_for_path (g_get_home_dir ());
+ }
+ else
+ {
+ /* If the user happens to fall asleep while holding ctrl-n, or very
+ * unfortunately opens a new window at a remote location, the current
+ * location will be null, leading to criticals and/or failed assertions.
+ *
+ * Another sad thing is that checking if the view/slot is loading will
+ * not work, as the loading process only really begins after the attributes
+ * for the file have been fetched.
+ */
+ location = nautilus_window_slot_get_location (active_slot);
+ if (location == NULL)
+ {
+ location = nautilus_window_slot_get_pending_location (active_slot);
+ }
+ }
+
+ nautilus_application_open_location_full (NAUTILUS_APPLICATION (application), location,
+ NAUTILUS_OPEN_FLAG_NEW_WINDOW, NULL, NULL, NULL);
+}
+
+static void
+action_preferences (GSimpleAction *action,
+ GVariant *parameter,
+ gpointer user_data)
+{
+ GtkApplication *application = user_data;
+ nautilus_preferences_window_show (gtk_application_get_active_window (application));
+}
+
+static void
+action_about (GSimpleAction *action,
+ GVariant *parameter,
+ gpointer user_data)
+{
+ GtkApplication *application = user_data;
+
+ nautilus_window_show_about_dialog (NAUTILUS_WINDOW (gtk_application_get_active_window (application)));
+}
+
+static void
+action_help (GSimpleAction *action,
+ GVariant *parameter,
+ gpointer user_data)
+{
+ GtkWindow *window;
+ GtkWidget *dialog;
+ GtkApplication *application = user_data;
+ GError *error = NULL;
+
+ window = gtk_application_get_active_window (application);
+ gtk_show_uri (window, "help:gnome-help/files", GDK_CURRENT_TIME);
+
+ if (error)
+ {
+ dialog = adw_message_dialog_new (window ? GTK_WINDOW (window) : NULL,
+ NULL, NULL);
+ adw_message_dialog_format_heading (ADW_MESSAGE_DIALOG (dialog),
+ _("There was an error displaying help: \n%s"),
+ error->message);
+ adw_message_dialog_add_response (ADW_MESSAGE_DIALOG (dialog), "ok", _("_OK"));
+ adw_message_dialog_set_default_response (ADW_MESSAGE_DIALOG (dialog), "ok");
+
+ gtk_window_present (GTK_WINDOW (dialog));
+ g_error_free (error);
+ }
+}
+
+static void
+action_kill (GSimpleAction *action,
+ GVariant *parameter,
+ gpointer user_data)
+{
+ AdwApplication *application = user_data;
+
+ /* we have been asked to force quit */
+ g_application_quit (G_APPLICATION (application));
+}
+
+static void
+action_quit (GSimpleAction *action,
+ GVariant *parameter,
+ gpointer user_data)
+{
+ NautilusApplication *self = NAUTILUS_APPLICATION (user_data);
+ GList *windows, *l;
+
+ windows = nautilus_application_get_windows (self);
+ /* make a copy, since the original list will be modified when destroying
+ * a window, making this list invalid */
+ windows = g_list_copy (windows);
+ for (l = windows; l != NULL; l = l->next)
+ {
+ nautilus_window_close (l->data);
+ }
+
+ g_list_free (windows);
+}
+
+static void
+action_show_help_overlay (GSimpleAction *action,
+ GVariant *state,
+ gpointer user_data)
+{
+ GtkApplication *application = user_data;
+ GtkWindow *window = gtk_application_get_active_window (application);
+
+ g_action_group_activate_action (G_ACTION_GROUP (window), "show-help-overlay", NULL);
+}
+
+const static GActionEntry app_entries[] =
+{
+ { "new-window", action_new_window, NULL, NULL, NULL },
+ { "clone-window", action_clone_window, NULL, NULL, NULL },
+ { "preferences", action_preferences, NULL, NULL, NULL },
+ { "about", action_about, NULL, NULL, NULL },
+ { "help", action_help, NULL, NULL, NULL },
+ { "quit", action_quit, NULL, NULL, NULL },
+ { "kill", action_kill, NULL, NULL, NULL },
+ { "show-help-overlay", action_show_help_overlay, NULL, NULL, NULL },
+};
+
+static void
+nautilus_init_application_actions (NautilusApplication *app)
+{
+ g_action_map_add_action_entries (G_ACTION_MAP (app),
+ app_entries, G_N_ELEMENTS (app_entries),
+ app);
+
+
+ nautilus_application_set_accelerator (G_APPLICATION (app),
+ "app.clone-window", "<Primary>n");
+ nautilus_application_set_accelerator (G_APPLICATION (app),
+ "app.help", "F1");
+ nautilus_application_set_accelerator (G_APPLICATION (app),
+ "app.quit", "<Primary>q");
+}
+
+static void
+nautilus_application_activate (GApplication *app)
+{
+ GFile **files;
+
+ DEBUG ("Calling activate");
+
+ files = g_malloc0 (2 * sizeof (GFile *));
+ files[0] = g_file_new_for_path (g_get_home_dir ());
+ nautilus_application_open (app, files, 1, NULL);
+
+ g_object_unref (files[0]);
+ g_free (files);
+}
+
+static gint
+nautilus_application_handle_file_args (NautilusApplication *self,
+ GVariantDict *options)
+{
+ GFile **files;
+ GFile *file;
+ gint idx, len;
+ g_autofree const gchar **remaining = NULL;
+ GPtrArray *file_array;
+
+ g_variant_dict_lookup (options, G_OPTION_REMAINING, "^a&s", &remaining);
+
+ /* Convert args to GFiles */
+ file_array = g_ptr_array_new_full (0, g_object_unref);
+
+ if (remaining)
+ {
+ for (idx = 0; remaining[idx] != NULL; idx++)
+ {
+ gchar *cwd;
+
+ g_variant_dict_lookup (options, "cwd", "s", &cwd);
+ if (cwd == NULL)
+ {
+ file = g_file_new_for_commandline_arg (remaining[idx]);
+ }
+ else
+ {
+ file = g_file_new_for_commandline_arg_and_cwd (remaining[idx], cwd);
+ g_free (cwd);
+ }
+
+ if (nautilus_is_search_directory (file))
+ {
+ g_autofree char *error_string = NULL;
+ error_string = g_strdup_printf (_("“%s” is an internal protocol. "
+ "Opening this location directly is not supported."),
+ EEL_SEARCH_URI);
+
+ g_printerr ("%s\n", error_string);
+ }
+ else
+ {
+ g_ptr_array_add (file_array, file);
+ }
+ }
+ }
+ else if (g_variant_dict_contains (options, "new-window"))
+ {
+ file = g_file_new_for_path (g_get_home_dir ());
+ g_ptr_array_add (file_array, file);
+ }
+ else
+ {
+ g_ptr_array_unref (file_array);
+
+ /* No command line options or files, just activate the application */
+ nautilus_application_activate (G_APPLICATION (self));
+ return EXIT_SUCCESS;
+ }
+
+ len = file_array->len;
+ files = (GFile **) file_array->pdata;
+
+ if (g_variant_dict_contains (options, "select"))
+ {
+ nautilus_application_select (self, files, len);
+ }
+ else
+ {
+ /* Create new windows */
+ nautilus_application_open (G_APPLICATION (self), files, len,
+ g_variant_dict_contains (options, "new-window") ? "new-window" : "");
+ }
+
+ g_ptr_array_unref (file_array);
+
+ return EXIT_SUCCESS;
+}
+
+static gint
+nautilus_application_command_line (GApplication *application,
+ GApplicationCommandLine *command_line)
+{
+ NautilusApplication *self = NAUTILUS_APPLICATION (application);
+ gint retval = -1;
+ GVariantDict *options;
+
+ nautilus_profile_start (NULL);
+
+ options = g_application_command_line_get_options_dict (command_line);
+
+ if (g_variant_dict_contains (options, "version"))
+ {
+ g_application_command_line_print (command_line,
+ "GNOME nautilus " PACKAGE_VERSION "\n");
+ retval = EXIT_SUCCESS;
+ goto out;
+ }
+
+ if (!do_cmdline_sanity_checks (self, options))
+ {
+ retval = EXIT_FAILURE;
+ goto out;
+ }
+
+ if (g_variant_dict_contains (options, "check"))
+ {
+ retval = do_perform_self_checks ();
+ goto out;
+ }
+
+ if (g_variant_dict_contains (options, "quit"))
+ {
+ DEBUG ("Killing application, as requested");
+ g_action_group_activate_action (G_ACTION_GROUP (application),
+ "kill", NULL);
+ goto out;
+ }
+
+ retval = nautilus_application_handle_file_args (self, options);
+
+out:
+ nautilus_profile_end (NULL);
+
+ return retval;
+}
+
+static void
+nautilus_application_init (NautilusApplication *self)
+{
+ static const GOptionEntry options[] =
+ {
+#ifndef NAUTILUS_OMIT_SELF_CHECK
+ { "check", 'c', 0, G_OPTION_ARG_NONE, NULL,
+ N_("Perform a quick set of self-check tests."), NULL },
+#endif
+ { "version", '\0', 0, G_OPTION_ARG_NONE, NULL,
+ N_("Show the version of the program."), NULL },
+ { "new-window", 'w', 0, G_OPTION_ARG_NONE, NULL,
+ N_("Always open a new window for browsing specified URIs"), NULL },
+ { "quit", 'q', 0, G_OPTION_ARG_NONE, NULL,
+ N_("Quit Nautilus."), NULL },
+ { "select", 's', 0, G_OPTION_ARG_NONE, NULL,
+ N_("Select specified URI in parent folder."), NULL },
+ { G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_STRING_ARRAY, NULL, NULL, N_("[URI…]") },
+
+ /* The following are old options which have no effect anymore. We keep
+ * them around for compatibility reasons, e.g. not breaking old scripts.
+ */
+ { "browser", '\0', G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_NONE, NULL,
+ NULL, NULL },
+ { "geometry", 'g', G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_STRING, NULL,
+ NULL, NULL },
+ { "no-default-window", 'n', G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_NONE, NULL,
+ NULL, NULL },
+ { "no-desktop", '\0', G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_NONE, NULL,
+ NULL, NULL },
+
+ { NULL }
+ };
+ NautilusApplicationPrivate *priv;
+
+ priv = nautilus_application_get_instance_private (self);
+
+ priv->notifications = g_hash_table_new_full (g_str_hash,
+ g_str_equal,
+ g_free,
+ NULL);
+
+ priv->undo_manager = nautilus_file_undo_manager_new ();
+ priv->tag_manager = nautilus_tag_manager_new ();
+
+ priv->dbus_launcher = nautilus_dbus_launcher_new ();
+
+ nautilus_tracker_setup_miner_fs_connection ();
+
+ g_application_add_main_option_entries (G_APPLICATION (self), options);
+
+ nautilus_ensure_extension_points ();
+ nautilus_ensure_extension_builtins ();
+
+ nautilus_clipboard_register ();
+}
+
+NautilusApplication *
+nautilus_application_get_default (void)
+{
+ NautilusApplication *self;
+
+ self = NAUTILUS_APPLICATION (g_application_get_default ());
+
+ return self;
+}
+
+void
+nautilus_application_send_notification (NautilusApplication *self,
+ const gchar *notification_id,
+ GNotification *notification)
+{
+ NautilusApplicationPrivate *priv;
+
+ priv = nautilus_application_get_instance_private (self);
+
+ g_hash_table_add (priv->notifications, g_strdup (notification_id));
+ g_application_send_notification (G_APPLICATION (self), notification_id, notification);
+}
+
+void
+nautilus_application_withdraw_notification (NautilusApplication *self,
+ const gchar *notification_id)
+{
+ NautilusApplicationPrivate *priv;
+
+ priv = nautilus_application_get_instance_private (self);
+ if (!g_hash_table_contains (priv->notifications, notification_id))
+ {
+ return;
+ }
+
+ g_hash_table_remove (priv->notifications, notification_id);
+ g_application_withdraw_notification (G_APPLICATION (self), notification_id);
+}
+
+static void
+on_application_shutdown (GApplication *application,
+ gpointer user_data)
+{
+ NautilusApplication *self = NAUTILUS_APPLICATION (application);
+ NautilusApplicationPrivate *priv;
+ GList *notification_ids;
+ GList *l;
+ gchar *notification_id;
+
+ priv = nautilus_application_get_instance_private (self);
+ notification_ids = g_hash_table_get_keys (priv->notifications);
+ for (l = notification_ids; l != NULL; l = l->next)
+ {
+ notification_id = l->data;
+
+ g_application_withdraw_notification (application, notification_id);
+ }
+
+ g_list_free (notification_ids);
+
+ nautilus_icon_info_clear_caches ();
+}
+
+static void
+icon_theme_changed_callback (GtkIconTheme *icon_theme,
+ gpointer user_data)
+{
+ /* Clear all pixmap caches as the icon => pixmap lookup changed */
+ nautilus_icon_info_clear_caches ();
+
+ /* Tell the world that icons might have changed. We could invent a narrower-scope
+ * signal to mean only "thumbnails might have changed" if this ends up being slow
+ * for some reason.
+ */
+ emit_change_signals_for_all_files_in_all_directories ();
+}
+
+static void
+maybe_migrate_gtk_filechooser_preferences (void)
+{
+ if (!g_settings_get_boolean (nautilus_preferences, NAUTILUS_PREFERENCES_MIGRATED_GTK_SETTINGS))
+ {
+ g_autoptr (GSettingsSchema) schema = NULL;
+
+ /* We don't depend on GTK 3. Check whether its schema is installed. */
+ schema = g_settings_schema_source_lookup (g_settings_schema_source_get_default (),
+ "org.gtk.Settings.FileChooser",
+ FALSE);
+ if (schema != NULL)
+ {
+ g_autoptr (GSettings) gtk3_settings = NULL;
+
+ gtk3_settings = g_settings_new_with_path ("org.gtk.Settings.FileChooser",
+ "/org/gtk/settings/file-chooser/");
+ g_settings_set_boolean (gtk_filechooser_preferences,
+ NAUTILUS_PREFERENCES_SORT_DIRECTORIES_FIRST,
+ g_settings_get_boolean (gtk3_settings,
+ NAUTILUS_PREFERENCES_SORT_DIRECTORIES_FIRST));
+ g_settings_set_boolean (gtk_filechooser_preferences,
+ NAUTILUS_PREFERENCES_SHOW_HIDDEN_FILES,
+ g_settings_get_boolean (gtk3_settings,
+ NAUTILUS_PREFERENCES_SHOW_HIDDEN_FILES));
+ }
+ g_settings_set_boolean (nautilus_preferences,
+ NAUTILUS_PREFERENCES_MIGRATED_GTK_SETTINGS,
+ TRUE);
+ }
+}
+
+void
+nautilus_application_startup_common (NautilusApplication *self)
+{
+ NautilusApplicationPrivate *priv;
+
+ nautilus_profile_start (NULL);
+ priv = nautilus_application_get_instance_private (self);
+
+ g_application_set_resource_base_path (G_APPLICATION (self), "/org/gnome/nautilus");
+
+ /* chain up to the GTK+ implementation early, so gtk_init()
+ * is called for us.
+ */
+ G_APPLICATION_CLASS (nautilus_application_parent_class)->startup (G_APPLICATION (self));
+
+ gtk_window_set_default_icon_name (APPLICATION_ID);
+
+ /* initialize preferences and create the global GSettings objects */
+ nautilus_global_preferences_init ();
+
+ /* initialize nautilus modules */
+ nautilus_profile_start ("Modules");
+ nautilus_module_setup ();
+ nautilus_profile_end ("Modules");
+
+ /* attach menu-provider module callback */
+ menu_provider_init_callback ();
+
+ /* Initialize the UI handler singleton for file operations */
+ priv->progress_handler = nautilus_progress_persistence_handler_new (G_OBJECT (self));
+
+ /* Check the user's .nautilus directories and post warnings
+ * if there are problems.
+ */
+ check_required_directories (self);
+
+ nautilus_init_application_actions (self);
+
+ if (g_strcmp0 (g_getenv ("RUNNING_TESTS"), "TRUE") != 0)
+ {
+ maybe_migrate_gtk_filechooser_preferences ();
+ nautilus_tag_manager_maybe_migrate_tracker2_data (priv->tag_manager);
+ }
+
+ nautilus_profile_end (NULL);
+
+ g_signal_connect (self, "shutdown", G_CALLBACK (on_application_shutdown), NULL);
+
+ g_signal_connect_object (gtk_icon_theme_get_for_display (gdk_display_get_default ()),
+ "changed",
+ G_CALLBACK (icon_theme_changed_callback),
+ NULL, 0);
+}
+
+static void
+nautilus_application_startup (GApplication *app)
+{
+ NautilusApplication *self = NAUTILUS_APPLICATION (app);
+ NautilusApplicationPrivate *priv;
+
+ nautilus_profile_start (NULL);
+ priv = nautilus_application_get_instance_private (self);
+
+ /* create DBus manager */
+ priv->fdb_manager = nautilus_freedesktop_dbus_new ();
+ nautilus_application_startup_common (self);
+
+ nautilus_profile_end (NULL);
+}
+
+static gboolean
+nautilus_application_dbus_register (GApplication *app,
+ GDBusConnection *connection,
+ const gchar *object_path,
+ GError **error)
+{
+ NautilusApplication *self = NAUTILUS_APPLICATION (app);
+ NautilusApplicationPrivate *priv;
+
+ priv = nautilus_application_get_instance_private (self);
+ priv->dbus_manager = nautilus_dbus_manager_new ();
+ if (!nautilus_dbus_manager_register (priv->dbus_manager, connection, error))
+ {
+ return FALSE;
+ }
+
+ priv->search_provider = nautilus_shell_search_provider_new ();
+ if (!nautilus_shell_search_provider_register (priv->search_provider, connection, error))
+ {
+ return FALSE;
+ }
+
+ priv->previewer_selection_id = nautilus_previewer_connect_selection_event (connection);
+
+ return TRUE;
+}
+
+static void
+nautilus_application_dbus_unregister (GApplication *app,
+ GDBusConnection *connection,
+ const gchar *object_path)
+{
+ NautilusApplication *self = NAUTILUS_APPLICATION (app);
+ NautilusApplicationPrivate *priv;
+
+ priv = nautilus_application_get_instance_private (self);
+ if (priv->dbus_manager)
+ {
+ nautilus_dbus_manager_unregister (priv->dbus_manager);
+ g_clear_object (&priv->dbus_manager);
+ }
+
+ if (priv->search_provider)
+ {
+ nautilus_shell_search_provider_unregister (priv->search_provider);
+ g_clear_object (&priv->search_provider);
+ }
+
+ if (priv->previewer_selection_id != 0)
+ {
+ nautilus_previewer_disconnect_selection_event (connection,
+ priv->previewer_selection_id);
+ priv->previewer_selection_id = 0;
+ }
+}
+
+static void
+update_dbus_opened_locations (NautilusApplication *self)
+{
+ NautilusApplicationPrivate *priv;
+ gint i;
+ GList *l, *sl;
+ GList *locations = NULL;
+ gsize locations_size = 0;
+ gchar **locations_array;
+ NautilusWindow *window;
+ GFile *location;
+ const gchar *dbus_object_path = NULL;
+
+ g_autoptr (GVariant) windows_to_locations = NULL;
+ GVariantBuilder windows_to_locations_builder;
+
+ g_return_if_fail (NAUTILUS_IS_APPLICATION (self));
+
+ priv = nautilus_application_get_instance_private (self);
+
+ /* Children of nautilus application could not handle the dbus, so don't
+ * do anything in that case */
+ if (!priv->fdb_manager)
+ {
+ return;
+ }
+
+ dbus_object_path = g_application_get_dbus_object_path (G_APPLICATION (self));
+
+ g_return_if_fail (dbus_object_path);
+
+ g_variant_builder_init (&windows_to_locations_builder, G_VARIANT_TYPE ("a{sas}"));
+
+ for (l = priv->windows; l != NULL; l = l->next)
+ {
+ guint32 id;
+ g_autofree gchar *path = NULL;
+ GVariantBuilder locations_in_window_builder;
+
+ window = l->data;
+
+ g_variant_builder_init (&locations_in_window_builder, G_VARIANT_TYPE ("as"));
+
+ for (sl = nautilus_window_get_slots (window); sl; sl = sl->next)
+ {
+ NautilusWindowSlot *slot = sl->data;
+ location = nautilus_window_slot_get_location (slot);
+
+ if (location != NULL)
+ {
+ gchar *uri = g_file_get_uri (location);
+ GList *found = g_list_find_custom (locations, uri, (GCompareFunc) g_strcmp0);
+
+ g_variant_builder_add (&locations_in_window_builder, "s", uri);
+
+ if (!found)
+ {
+ locations = g_list_prepend (locations, uri);
+ ++locations_size;
+ }
+ else
+ {
+ g_free (uri);
+ }
+ }
+ }
+
+ id = gtk_application_window_get_id (GTK_APPLICATION_WINDOW (window));
+ path = g_strdup_printf ("%s/window/%u", dbus_object_path, id);
+ g_variant_builder_add (&windows_to_locations_builder, "{sas}", path, &locations_in_window_builder);
+ g_variant_builder_clear (&locations_in_window_builder);
+ }
+
+ locations_array = g_new (gchar *, locations_size + 1);
+
+ for (i = 0, l = locations; l; l = l->next, ++i)
+ {
+ /* We reuse the locations string locations saved on list */
+ locations_array[i] = l->data;
+ }
+
+ locations_array[locations_size] = NULL;
+
+ nautilus_freedesktop_dbus_set_open_locations (priv->fdb_manager,
+ (const gchar **) locations_array);
+
+ windows_to_locations = g_variant_ref_sink (g_variant_builder_end (&windows_to_locations_builder));
+ nautilus_freedesktop_dbus_set_open_windows_with_locations (priv->fdb_manager,
+ windows_to_locations);
+
+ g_free (locations_array);
+ g_list_free_full (locations, g_free);
+}
+
+static void
+on_slot_location_changed (NautilusWindowSlot *slot,
+ GParamSpec *pspec,
+ NautilusApplication *self)
+{
+ update_dbus_opened_locations (self);
+}
+
+static void
+on_slot_added (NautilusWindow *window,
+ NautilusWindowSlot *slot,
+ NautilusApplication *self)
+{
+ if (nautilus_window_slot_get_location (slot))
+ {
+ update_dbus_opened_locations (self);
+ }
+
+ g_signal_connect (slot, "notify::location", G_CALLBACK (on_slot_location_changed), self);
+}
+
+static void
+on_slot_removed (NautilusWindow *window,
+ NautilusWindowSlot *slot,
+ NautilusApplication *self)
+{
+ update_dbus_opened_locations (self);
+
+ g_signal_handlers_disconnect_by_func (slot, on_slot_location_changed, self);
+}
+
+static void
+nautilus_application_window_added (GtkApplication *app,
+ GtkWindow *window)
+{
+ NautilusApplication *self = NAUTILUS_APPLICATION (app);
+ NautilusApplicationPrivate *priv;
+
+ priv = nautilus_application_get_instance_private (self);
+ GTK_APPLICATION_CLASS (nautilus_application_parent_class)->window_added (app, window);
+
+ if (NAUTILUS_IS_WINDOW (window))
+ {
+ priv->windows = g_list_prepend (priv->windows, window);
+ g_signal_connect (window, "slot-added", G_CALLBACK (on_slot_added), app);
+ g_signal_connect (window, "slot-removed", G_CALLBACK (on_slot_removed), app);
+ }
+}
+
+static void
+nautilus_application_window_removed (GtkApplication *app,
+ GtkWindow *window)
+{
+ NautilusApplication *self = NAUTILUS_APPLICATION (app);
+ NautilusApplicationPrivate *priv;
+
+ priv = nautilus_application_get_instance_private (self);
+
+ GTK_APPLICATION_CLASS (nautilus_application_parent_class)->window_removed (app, window);
+
+ if (NAUTILUS_IS_WINDOW (window))
+ {
+ priv->windows = g_list_remove_all (priv->windows, window);
+ g_signal_handlers_disconnect_by_func (window, on_slot_added, app);
+ g_signal_handlers_disconnect_by_func (window, on_slot_removed, app);
+ }
+
+ /* if this was the last window, close the previewer */
+ if (g_list_length (priv->windows) == 0)
+ {
+ nautilus_previewer_call_close ();
+ nautilus_progress_persistence_handler_make_persistent (priv->progress_handler);
+ }
+}
+
+/* Manage the local instance command line options. This is only necessary to
+ * resolve correctly relative paths, since if the main instance resolve them in
+ * open(), it will do it with its current cwd, which may not be correct for the
+ * non main GApplication instance */
+static gint
+nautilus_application_handle_local_options (GApplication *app,
+ GVariantDict *options)
+{
+ gchar *cwd;
+
+ cwd = g_get_current_dir ();
+ g_variant_dict_insert (options, "cwd", "s", cwd);
+ g_free (cwd);
+
+ return -1;
+}
+
+static void
+nautilus_application_class_init (NautilusApplicationClass *class)
+{
+ GObjectClass *object_class;
+ GApplicationClass *application_class;
+ GtkApplicationClass *gtkapp_class;
+
+ object_class = G_OBJECT_CLASS (class);
+ object_class->finalize = nautilus_application_finalize;
+
+ application_class = G_APPLICATION_CLASS (class);
+ application_class->startup = nautilus_application_startup;
+ application_class->activate = nautilus_application_activate;
+ application_class->dbus_register = nautilus_application_dbus_register;
+ application_class->dbus_unregister = nautilus_application_dbus_unregister;
+ application_class->open = nautilus_application_open;
+ application_class->command_line = nautilus_application_command_line;
+ application_class->handle_local_options = nautilus_application_handle_local_options;
+
+ class->open_location_full = real_open_location_full;
+
+ gtkapp_class = GTK_APPLICATION_CLASS (class);
+ gtkapp_class->window_added = nautilus_application_window_added;
+ gtkapp_class->window_removed = nautilus_application_window_removed;
+}
+
+NautilusApplication *
+nautilus_application_new (void)
+{
+ return g_object_new (NAUTILUS_TYPE_APPLICATION,
+ "application-id", APPLICATION_ID,
+ "flags", G_APPLICATION_HANDLES_COMMAND_LINE | G_APPLICATION_HANDLES_OPEN,
+ "inactivity-timeout", 12000,
+ NULL);
+}
+
+void
+nautilus_application_search (NautilusApplication *self,
+ NautilusQuery *query)
+{
+ g_autoptr (GFile) location = NULL;
+ NautilusWindow *window;
+
+ location = nautilus_query_get_location (query);
+ window = open_window (self, location);
+ nautilus_window_search (window, query);
+}
+
+gboolean
+nautilus_application_is_sandboxed (void)
+{
+ static gboolean ret;
+
+ static gsize init = 0;
+ if (g_once_init_enter (&init))
+ {
+ ret = g_file_test ("/.flatpak-info", G_FILE_TEST_EXISTS);
+ g_once_init_leave (&init, 1);
+ }
+
+ return ret;
+}