1 files changed, 398 insertions, 0 deletions
diff --git a/plugins/housekeeping/msd-ldsm-trash-empty.c b/plugins/housekeeping/msd-ldsm-trash-empty.c
new file mode 100644
index 0000000..05f82cd
--- /dev/null
+++ b/plugins/housekeeping/msd-ldsm-trash-empty.c
@@ -0,0 +1,398 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * msd-ldsm-trash-empty.c
+ * Copyright (C) Chris Coulson 2009 <[email protected]>
+ * (C) Ryan Lortie 2008
+ *
+ * msd-ldsm-trash-empty.c 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * msd-ldsm-trash-empty.c 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/>.
+ */
+
+#include <mateconf/mateconf-client.h>
+#include <glib/gi18n.h>
+#include <gio/gio.h>
+
+#include "msd-ldsm-trash-empty.h"
+
+#define CAJA_CONFIRM_TRASH_KEY "/apps/caja/preferences/confirm_trash"
+
+/* Some of this code has been borrowed from the trash-applet, courtesy of Ryan Lortie */
+
+static GtkWidget *trash_empty_confirm_dialog = NULL;
+static GtkWidget *trash_empty_dialog = NULL;
+static GtkWidget *location_label;
+static GtkWidget *file_label;
+static GtkWidget *progressbar;
+
+static gsize trash_empty_total_files;
+static gboolean trash_empty_update_pending = FALSE;
+static GFile *trash_empty_current_file = NULL;
+static gsize trash_empty_deleted_files;
+static GTimer *timer = NULL;
+static gboolean trash_empty_actually_deleting;
+
+static gboolean
+trash_empty_done (gpointer data)
+{
+ gtk_widget_destroy (trash_empty_dialog);
+ trash_empty_dialog = NULL;
+ if (timer) {
+ g_timer_destroy (timer);
+ timer = NULL;
+ }
+
+ return FALSE;
+}
+
+static gboolean
+trash_empty_update_dialog (gpointer user_data)
+{
+ gsize deleted, total;
+ GFile *file;
+ gboolean actually_deleting;
+
+ g_assert (trash_empty_update_pending);
+
+ deleted = trash_empty_deleted_files;
+ total = trash_empty_total_files;
+ file = trash_empty_current_file;
+ actually_deleting = trash_empty_actually_deleting;
+
+ /* maybe the done() got processed first. */
+ if (!trash_empty_dialog)
+ goto out;
+
+ if (!actually_deleting) {
+ /* If we havent finished counting yet, then pulse the progressbar every 100ms.
+ * This stops the user from thinking the dialog has frozen if there are
+ * a lot of files to delete. We don't pulse it every time we are called from the
+ * worker thread, otherwise it moves to fast and looks hideous
+ */
+ if (timer) {
+ if (g_timer_elapsed (timer, NULL) > 0.1) {
+ gtk_progress_bar_pulse (GTK_PROGRESS_BAR (progressbar));
+ g_timer_start (timer);
+ }
+ } else {
+ timer = g_timer_new ();
+ g_timer_start (timer);
+ gtk_progress_bar_pulse (GTK_PROGRESS_BAR (progressbar));
+ }
+ } else {
+ gchar *text;
+ gchar *tmp;
+ gchar *markup;
+ GFile *parent;
+
+ text = g_strdup_printf (_("Removing item %lu of %lu"),
+ deleted, total);
+ gtk_progress_bar_set_text (GTK_PROGRESS_BAR (progressbar), text);
+
+ g_free (text);
+
+ if (deleted > total)
+ gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (progressbar), 1.0);
+ else
+ gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (progressbar),
+ (gdouble) deleted / (gdouble) total);
+
+ parent = g_file_get_parent (file);
+ text = g_file_get_uri (parent);
+ g_object_unref (parent);
+
+ gtk_label_set_text (GTK_LABEL (location_label), text);
+ g_free (text);
+
+ tmp = g_file_get_basename (file);
+ text = g_markup_printf_escaped (_("Removing: %s"), tmp);
+ markup = g_strdup_printf ("<i>%s</i>", text);
+ gtk_label_set_markup (GTK_LABEL (file_label), text);
+ g_free (markup);
+ g_free (text);
+ g_free (tmp);
+
+ /* unhide the labels */
+ gtk_widget_show_all (GTK_WIDGET (trash_empty_dialog));
+ }
+
+out:
+ trash_empty_current_file = NULL;
+ g_object_unref (file);
+
+ trash_empty_update_pending = FALSE;
+
+ return FALSE;
+}
+
+/* Worker thread begin */
+
+static void
+trash_empty_maybe_schedule_update (GIOSchedulerJob *job,
+ GFile *file,
+ gsize deleted,
+ gboolean actually_deleting)
+{
+ if (!trash_empty_update_pending) {
+ g_assert (trash_empty_current_file == NULL);
+
+ trash_empty_current_file = g_object_ref (file);
+ trash_empty_deleted_files = deleted;
+ trash_empty_actually_deleting = actually_deleting;
+
+ trash_empty_update_pending = TRUE;
+ g_io_scheduler_job_send_to_mainloop_async (job,
+ trash_empty_update_dialog,
+ NULL, NULL);
+ }
+}
+
+static void
+trash_empty_delete_contents (GIOSchedulerJob *job,
+ GCancellable *cancellable,
+ GFile *file,
+ gboolean actually_delete,
+ gsize *deleted)
+{
+ GFileEnumerator *enumerator;
+ GFileInfo *info;
+ GFile *child;
+
+ if (g_cancellable_is_cancelled (cancellable))
+ return;
+
+ enumerator = g_file_enumerate_children (file,
+ G_FILE_ATTRIBUTE_STANDARD_NAME ","
+ G_FILE_ATTRIBUTE_STANDARD_TYPE,
+ G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
+ cancellable, NULL);
+
+ if (enumerator) {
+ while ((info = g_file_enumerator_next_file (enumerator,
+ cancellable, NULL)) != NULL) {
+ child = g_file_get_child (file, g_file_info_get_name (info));
+
+ if (g_file_info_get_file_type (info) == G_FILE_TYPE_DIRECTORY)
+ trash_empty_delete_contents (job, cancellable, child,
+ actually_delete, deleted);
+
+ trash_empty_maybe_schedule_update (job, child, *deleted, actually_delete);
+ if (actually_delete)
+ g_file_delete (child, cancellable, NULL);
+
+ (*deleted)++;
+
+ g_object_unref (child);
+ g_object_unref (info);
+
+ if (g_cancellable_is_cancelled (cancellable))
+ break;
+ }
+
+ g_object_unref (enumerator);
+ }
+}
+
+static gboolean
+trash_empty_job (GIOSchedulerJob *job,
+ GCancellable *cancellable,
+ gpointer user_data)
+{
+ gsize deleted;
+ GFile *trash;
+
+ trash = g_file_new_for_uri ("trash:///");
+
+ /* first do a dry run to count the number of files */
+ deleted = 0;
+ trash_empty_delete_contents (job, cancellable, trash, FALSE, &deleted);
+ trash_empty_total_files = deleted;
+
+ /* now do the real thing */
+ deleted = 0;
+ trash_empty_delete_contents (job, cancellable, trash, TRUE, &deleted);
+
+ /* done */
+ g_object_unref (trash);
+ g_io_scheduler_job_send_to_mainloop_async (job,
+ trash_empty_done,
+ NULL, NULL);
+
+ return FALSE;
+}
+
+/* Worker thread end */
+
+static void
+trash_empty_start ()
+{
+ GtkWidget *vbox1, *vbox2, *hbox;
+ GtkWidget *label1, *label3;
+ gchar *markup;
+ GCancellable *cancellable;
+
+ trash_empty_dialog = gtk_dialog_new ();
+ gtk_window_set_default_size (GTK_WINDOW (trash_empty_dialog), 400, -1);
+ gtk_window_set_icon_name (GTK_WINDOW (trash_empty_dialog), "user-trash");
+ gtk_window_set_title (GTK_WINDOW (trash_empty_dialog),
+ _("Emptying the trash"));
+
+ vbox1 = gtk_vbox_new (FALSE, 12);
+ vbox2 = gtk_vbox_new (FALSE, 0);
+ hbox = gtk_hbox_new (FALSE, 0);
+
+ label1 = gtk_label_new (NULL);
+ gtk_label_set_line_wrap (GTK_LABEL (label1), TRUE);
+ gtk_misc_set_alignment (GTK_MISC (label1), 0.0, 0.5);
+
+ label3 = gtk_label_new (NULL);
+ gtk_label_set_line_wrap (GTK_LABEL (label3), TRUE);
+ gtk_misc_set_alignment (GTK_MISC (label3), 0.0, 0.5);
+ gtk_widget_hide (label3);
+
+ location_label = gtk_label_new (NULL);
+ gtk_label_set_line_wrap (GTK_LABEL (location_label), TRUE);
+ gtk_misc_set_alignment (GTK_MISC (location_label), 0.0, 0.5);
+
+ file_label = gtk_label_new (NULL);
+ gtk_label_set_line_wrap (GTK_LABEL (file_label), TRUE);
+ gtk_misc_set_alignment (GTK_MISC (file_label), 0.0, 0.5);
+
+ progressbar = gtk_progress_bar_new ();
+ gtk_progress_bar_set_pulse_step (GTK_PROGRESS_BAR (progressbar), 0.1);
+ gtk_progress_bar_set_text (GTK_PROGRESS_BAR (progressbar), _("Preparing to empty trash…"));
+
+ gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (trash_empty_dialog))), vbox1, TRUE, TRUE, 0);
+ gtk_box_pack_start (GTK_BOX (vbox1), label1, TRUE, TRUE, 0);
+ gtk_box_pack_start (GTK_BOX (hbox), label3, FALSE, TRUE, 0);
+ gtk_box_pack_start (GTK_BOX (hbox), location_label, TRUE, TRUE, 0);
+ gtk_box_pack_start (GTK_BOX (vbox1), hbox, TRUE, TRUE, 0);
+ gtk_box_pack_start (GTK_BOX (vbox2), progressbar, TRUE, TRUE, 0);
+ gtk_box_pack_start (GTK_BOX (vbox2), file_label, TRUE, TRUE, 0);
+ gtk_box_pack_start (GTK_BOX (vbox1), vbox2, TRUE, TRUE, 0);
+
+ gtk_widget_show (label1);
+ gtk_widget_show (vbox1);
+ gtk_widget_show_all (vbox2);
+ gtk_widget_show (hbox);
+ gtk_widget_show (location_label);
+
+ gtk_container_set_border_width (GTK_CONTAINER (gtk_dialog_get_content_area (GTK_DIALOG (trash_empty_dialog))), 6);
+ gtk_container_set_border_width (GTK_CONTAINER (vbox1), 6);
+
+ gtk_dialog_add_button (GTK_DIALOG (trash_empty_dialog),
+ GTK_STOCK_CANCEL,
+ GTK_RESPONSE_CANCEL);
+
+ markup = g_markup_printf_escaped ("<big><b>%s</b></big>", _("Emptying the trash"));
+ gtk_label_set_markup (GTK_LABEL (label1), markup);
+ /* Translators: "Emptying trash from <device>" */
+ gtk_label_set_text (GTK_LABEL (label3), _("From: "));
+
+ cancellable = g_cancellable_new ();
+ g_signal_connect_object (trash_empty_dialog, "response",
+ G_CALLBACK (g_cancellable_cancel),
+ cancellable, G_CONNECT_SWAPPED);
+ g_io_scheduler_push_job (trash_empty_job, NULL, NULL, 0, cancellable);
+
+ gtk_widget_show (trash_empty_dialog);
+
+ g_free (markup);
+ g_object_unref (cancellable);
+}
+
+static void
+trash_empty_confirmation_response (GtkDialog *dialog,
+ gint response_id,
+ gpointer user_data)
+{
+ if (response_id == GTK_RESPONSE_YES)
+ trash_empty_start ();
+
+ gtk_object_destroy (GTK_OBJECT (dialog));
+ trash_empty_confirm_dialog = NULL;
+}
+
+static gboolean
+trash_empty_require_confirmation ()
+{
+ MateConfClient *client;
+ gboolean require_confirmation = TRUE;
+ GError *error = NULL;
+
+ client = mateconf_client_get_default ();
+ if (client) {
+ require_confirmation = mateconf_client_get_bool (client, CAJA_CONFIRM_TRASH_KEY, &error);
+ if (error) {
+ g_warning ("Failed to read confirm_trash key from MateConf: %s", error->message ? error->message : "Unknown error");
+ /* It's safest to assume that confirmation is required here */
+ require_confirmation = TRUE;
+ g_error_free (error);
+ }
+ g_object_unref (client);
+ }
+
+ return require_confirmation;
+}
+
+static void
+trash_empty_show_confirmation_dialog ()
+{
+ GtkWidget *button;
+
+ if (!trash_empty_require_confirmation ()) {
+ trash_empty_start ();
+ return;
+ }
+
+ trash_empty_confirm_dialog = gtk_message_dialog_new (NULL, 0,
+ GTK_MESSAGE_WARNING,
+ GTK_BUTTONS_NONE,
+ _("Empty all of the items from the trash?"));
+
+ gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (trash_empty_confirm_dialog),
+ _("If you choose to empty the trash, all items in "
+ "it will be permanently lost. Please note that "
+ "you can also delete them separately."));
+
+ gtk_dialog_add_button (GTK_DIALOG (trash_empty_confirm_dialog), GTK_STOCK_CANCEL,
+ GTK_RESPONSE_CANCEL);
+
+ button = gtk_button_new_with_mnemonic (_("_Empty Trash"));
+ gtk_widget_show (button);
+ gtk_widget_set_can_default (button, TRUE);
+
+ gtk_dialog_add_action_widget (GTK_DIALOG (trash_empty_confirm_dialog),
+ button, GTK_RESPONSE_YES);
+
+ gtk_dialog_set_default_response (GTK_DIALOG (trash_empty_confirm_dialog),
+ GTK_RESPONSE_YES);
+
+ gtk_window_set_icon_name (GTK_WINDOW (trash_empty_confirm_dialog),
+ "user-trash");
+
+ gtk_widget_show (trash_empty_confirm_dialog);
+
+ g_signal_connect (trash_empty_confirm_dialog, "response",
+ G_CALLBACK (trash_empty_confirmation_response), NULL);
+}
+
+void
+msd_ldsm_trash_empty ()
+{
+ if (trash_empty_confirm_dialog)
+ gtk_window_present (GTK_WINDOW (trash_empty_confirm_dialog));
+ else if (trash_empty_dialog)
+ gtk_window_present (GTK_WINDOW (trash_empty_dialog));
+ else
+ trash_empty_show_confirmation_dialog ();
+}