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* trash-empty.c: a routine to empty the trash
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* Copyright © 2008 Ryan Lortie
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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#include <gconf/gconf-client.h>
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#include "trash-empty.h"
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/* only one concurrent trash empty operation can occur */
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static GtkDialog *trash_empty_confirm_dialog;
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static GtkDialog *trash_empty_dialog;
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static GtkProgressBar *trash_empty_progress_bar;
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static GtkLabel *trash_empty_location;
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static GtkLabel *trash_empty_file;
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* 1) nothing here may be modified while trash_empty_update_pending.
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* 2) an idle may only be scheduled if trash_empty_update_pending.
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* 3) only the worker may set trash_empty_update_pending = TRUE.
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* 4) only the UI updater may set trash_empty_update_pending = FALSE.
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* i -think- this is threadsafe... ((famous last words...))
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static GFile * volatile trash_empty_current_file;
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static gsize volatile trash_empty_deleted_files;
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static gsize volatile trash_empty_total_files;
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static gboolean volatile trash_empty_update_pending;
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trash_empty_clear_pending (gpointer user_data)
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trash_empty_update_pending = FALSE;
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trash_empty_update_dialog (gpointer user_data)
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g_assert (trash_empty_update_pending);
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deleted = trash_empty_deleted_files;
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total = trash_empty_total_files;
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file = trash_empty_current_file;
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/* maybe the done() got processed first. */
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if (trash_empty_dialog)
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char *index_str, *total_str;
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/* this is seriously broken, but we're string frozen... */
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/* FIXME: change to %d of %d after branching.
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index_str = g_strdup_printf ("%"G_GSIZE_FORMAT, deleted + 1);
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total_str = g_strdup_printf ("%"G_GSIZE_FORMAT, total);
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text = g_strdup_printf (_("Removing item %s of %s"),
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index_str, total_str);
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gtk_progress_bar_set_text (trash_empty_progress_bar, text);
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gtk_progress_bar_set_fraction (trash_empty_progress_bar, 1.0);
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gtk_progress_bar_set_fraction (trash_empty_progress_bar,
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(gdouble) deleted / (gdouble) total);
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/* no g_file_get_basename? */
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parent = g_file_get_parent (file);
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text = g_file_get_uri (parent);
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g_object_unref (parent);
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gtk_label_set_text (trash_empty_location, text);
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tmp = g_file_get_basename (file);
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text = g_markup_printf_escaped (_("<i>Removing: %s</i>"), tmp);
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gtk_label_set_markup (trash_empty_file, text);
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/* unhide the labels */
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gtk_widget_show_all (GTK_WIDGET (trash_empty_dialog));
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trash_empty_current_file = NULL;
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g_object_unref (file);
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trash_empty_update_pending = FALSE;
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trash_empty_done (gpointer user_data)
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gtk_object_destroy (GTK_OBJECT (trash_empty_dialog));
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g_assert (trash_empty_dialog == NULL);
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/* =============== worker thread code begins here =============== */
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trash_empty_maybe_schedule_update (GIOSchedulerJob *job,
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if (!trash_empty_update_pending)
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g_assert (trash_empty_current_file == NULL);
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trash_empty_current_file = g_object_ref (file);
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trash_empty_deleted_files = deleted;
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trash_empty_update_pending = TRUE;
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g_io_scheduler_job_send_to_mainloop_async (job,
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trash_empty_update_dialog,
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trash_empty_delete_contents (GIOSchedulerJob *job,
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GCancellable *cancellable,
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gboolean actually_delete,
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GFileEnumerator *enumerator;
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if (g_cancellable_is_cancelled (cancellable))
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enumerator = g_file_enumerate_children (file,
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G_FILE_ATTRIBUTE_STANDARD_NAME ","
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G_FILE_ATTRIBUTE_STANDARD_TYPE,
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G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
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while ((info = g_file_enumerator_next_file (enumerator,
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cancellable, NULL)) != NULL)
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child = g_file_get_child (file, g_file_info_get_name (info));
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if (g_file_info_get_file_type (info) == G_FILE_TYPE_DIRECTORY)
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trash_empty_delete_contents (job, cancellable, child,
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actually_delete, deleted);
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trash_empty_maybe_schedule_update (job, child, *deleted);
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g_file_delete (child, cancellable, NULL);
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g_object_unref (child);
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g_object_unref (info);
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if (g_cancellable_is_cancelled (cancellable))
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g_object_unref (enumerator);
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trash_empty_job (GIOSchedulerJob *job,
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GCancellable *cancellable,
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trash = g_file_new_for_uri ("trash:///");
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/* first do a dry run to count the number of files */
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trash_empty_delete_contents (job, cancellable, trash, FALSE, &deleted);
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trash_empty_total_files = deleted;
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/* now do the real thing */
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trash_empty_delete_contents (job, cancellable, trash, TRUE, &deleted);
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g_object_unref (trash);
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g_io_scheduler_job_send_to_mainloop_async (job,
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/* ================ worker thread code ends here ================ */
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trash_empty_start (GtkWidget *parent)
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struct { const char *name; gpointer *pointer; } widgets[] =
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{ "empty_trash", (gpointer *) &trash_empty_dialog },
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{ "progressbar", (gpointer *) &trash_empty_progress_bar },
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{ "location_label", (gpointer *) &trash_empty_location },
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{ "file_label", (gpointer *) &trash_empty_file }
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GCancellable *cancellable;
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builder = gtk_builder_new ();
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gtk_builder_add_from_file (builder,
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GNOME_GLADEDIR "/trashapplet-empty-progress.ui",
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for (i = 0; i < G_N_ELEMENTS (widgets); i++)
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object = gtk_builder_get_object (builder, widgets[i].name);
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g_critical ("failed to parse trash-empty dialog markup");
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if (trash_empty_dialog)
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gtk_object_destroy (GTK_OBJECT (trash_empty_dialog));
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g_object_unref (builder);
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*widgets[i].pointer = object;
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g_object_add_weak_pointer (object, widgets[i].pointer);
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g_object_unref (builder);
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cancellable = g_cancellable_new ();
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g_signal_connect_object (trash_empty_dialog, "response",
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G_CALLBACK (g_cancellable_cancel),
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cancellable, G_CONNECT_SWAPPED);
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g_io_scheduler_push_job (trash_empty_job, NULL, NULL, 0, cancellable);
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g_object_unref (cancellable);
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gtk_window_set_screen (GTK_WINDOW (trash_empty_dialog),
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gtk_widget_get_screen (parent));
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gtk_widget_show (GTK_WIDGET (trash_empty_dialog));
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trash_empty_require_confirmation (void)
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return gconf_client_get_bool (gconf_client_get_default (),
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"/apps/nautilus/preferences/confirm_trash",
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trash_empty_confirmation_response (GtkDialog *dialog,
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if (response_id == GTK_RESPONSE_YES)
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trash_empty_start (GTK_WIDGET (dialog));
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gtk_object_destroy (GTK_OBJECT (dialog));
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g_assert (trash_empty_confirm_dialog == NULL);
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* The code in trash_empty_show_confirmation_dialog() was taken from
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* libnautilus-private/nautilus-file-operations.c (confirm_empty_trash)
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* by Michiel Sikkes <michiel@eyesopened.nl> and adapted for the applet.
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trash_empty_show_confirmation_dialog (GtkWidget *parent)
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if (!trash_empty_require_confirmation ())
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trash_empty_start (parent);
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screen = gtk_widget_get_screen (parent);
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dialog = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL,
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_("Empty all of the items from "
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trash_empty_confirm_dialog = GTK_DIALOG (dialog);
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g_object_add_weak_pointer (G_OBJECT (dialog),
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(gpointer *) &trash_empty_confirm_dialog);
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gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
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_("If you choose to empty "
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"the trash, all items in "
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"it will be permanently "
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"lost. Please note that "
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"you can also delete them "
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gtk_window_set_screen (GTK_WINDOW (dialog), screen);
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atk_object_set_role (gtk_widget_get_accessible (dialog), ATK_ROLE_ALERT);
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gtk_window_set_wmclass (GTK_WINDOW (dialog), "empty_trash", "Nautilus");
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/* Make transient for the window group */
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gtk_widget_realize (dialog);
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gdk_window_set_transient_for (dialog->window,
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gdk_screen_get_root_window (screen));
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gtk_dialog_add_button (GTK_DIALOG (dialog), GTK_STOCK_CANCEL,
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GTK_RESPONSE_CANCEL);
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button = gtk_button_new_with_mnemonic (_("_Empty Trash"));
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gtk_widget_show (button);
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GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
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gtk_dialog_add_action_widget (GTK_DIALOG (dialog), button,
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gtk_dialog_set_default_response (GTK_DIALOG (dialog),
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gtk_widget_show (dialog);
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g_signal_connect (dialog, "response",
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G_CALLBACK (trash_empty_confirmation_response), NULL);
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trash_empty (GtkWidget *parent)
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if (trash_empty_confirm_dialog)
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gtk_window_present (GTK_WINDOW (trash_empty_confirm_dialog));
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else if (trash_empty_dialog)
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gtk_window_present (GTK_WINDOW (trash_empty_dialog));
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/* theoretically possible that an update is pending, but very unlikely. */
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else if (!trash_empty_update_pending)
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trash_empty_show_confirmation_dialog (parent);
added
removed
trashapplet/src/trash-empty.c
