moving from https://github.com/perberos/mate-desktop-environment

1 files changed, 608 insertions, 0 deletions

diff --git a/capplets/common/file-transfer-dialog.c b/capplets/common/file-transfer-dialog.c
new file mode 100644
index 00000000..a698520f
--- /dev/null
+++ b/capplets/common/file-transfer-dialog.c
@@ -0,0 +1,608 @@
+/* file-transfer-dialog.c
+ * Copyright (C) 2002 Ximian, Inc.
+ *
+ * Written by Rachel Hestilow <[email protected]>
+ *            Jens Granseuer <[email protected]>
+ *
+ * This program 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, or (at your option)
+ * any later version.
+ *
+ * This program 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+#include <gio/gio.h>
+#include <limits.h>
+
+#include "file-transfer-dialog.h"
+
+enum
+{
+	PROP_0,
+	PROP_FROM_URI,
+	PROP_TO_URI,
+	PROP_FRACTION_COMPLETE,
+	PROP_NTH_URI,
+	PROP_TOTAL_URIS,
+	PROP_PARENT
+};
+
+enum
+{
+	CANCEL,
+	DONE,
+	LAST_SIGNAL
+};
+
+guint file_transfer_dialog_signals[LAST_SIGNAL] = {0, };
+
+struct _FileTransferDialogPrivate
+{
+	GtkWidget *progress;
+	GtkWidget *status;
+	guint nth;
+	guint total;
+	GCancellable *cancellable;
+};
+
+#define FILE_TRANSFER_DIALOG_GET_PRIVATE(object) (G_TYPE_INSTANCE_GET_PRIVATE ((object), file_transfer_dialog_get_type (), FileTransferDialogPrivate))
+
+typedef struct _FileTransferJob
+{
+	FileTransferDialog *dialog;
+	GtkDialog *overwrite_dialog;
+	GSList *source_files;
+	GSList *target_files;
+	FileTransferDialogOptions options;
+} FileTransferJob;
+
+/* structure passed to the various callbacks */
+typedef struct {
+	FileTransferDialog *dialog;
+	gchar *source;
+	gchar *target;
+	guint current_file;
+	guint total_files;
+	goffset current_bytes;
+	goffset total_bytes;
+	gint response;
+	GtkDialog *overwrite_dialog;
+} FileTransferData;
+
+G_DEFINE_TYPE (FileTransferDialog, file_transfer_dialog, GTK_TYPE_DIALOG)
+
+static void
+file_transfer_dialog_update_num_files (FileTransferDialog *dlg)
+{
+	gchar *str;
+
+	if (dlg->priv->total <= 1)
+		return;
+
+	str = g_strdup_printf (_("Copying file: %u of %u"),
+			      dlg->priv->nth, dlg->priv->total);
+	gtk_progress_bar_set_text (GTK_PROGRESS_BAR (dlg->priv->progress), str);
+	g_free (str);
+}
+
+static void
+file_transfer_dialog_response (GtkDialog *dlg, gint response_id)
+{
+	FileTransferDialog *dialog = FILE_TRANSFER_DIALOG (dlg);
+
+	g_cancellable_cancel (dialog->priv->cancellable);
+}
+
+static void
+file_transfer_dialog_finalize (GObject *object)
+{
+	FileTransferDialog *dlg = FILE_TRANSFER_DIALOG (object);
+
+	if (dlg->priv->cancellable)
+	{
+		g_object_unref (dlg->priv->cancellable);
+		dlg->priv->cancellable = NULL;
+	}
+
+	G_OBJECT_CLASS (file_transfer_dialog_parent_class)->finalize (object);
+}
+
+static void
+file_transfer_dialog_set_prop (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+{
+	FileTransferDialog *dlg = FILE_TRANSFER_DIALOG (object);
+	GFile *file;
+	gchar *str;
+	gchar *str2;
+	gchar *base;
+	gchar *escaped;
+	GtkWindow *parent;
+	guint n;
+
+	switch (prop_id)
+	{
+	case PROP_FROM_URI:
+		file = g_file_new_for_uri (g_value_get_string (value));
+		base = g_file_get_basename (file);
+		escaped = g_uri_escape_string (base, G_URI_RESERVED_CHARS_ALLOWED_IN_PATH, TRUE);
+
+		str = g_strdup_printf (_("Copying '%s'"), escaped);
+		str2 = g_strdup_printf ("<big><b>%s</b></big>", str);
+		gtk_label_set_markup (GTK_LABEL (dlg->priv->status), str2);
+
+		g_free (base);
+		g_free (escaped);
+		g_free (str);
+		g_free (str2);
+		g_object_unref (file);
+		break;
+	case PROP_TO_URI:
+		break;
+	case PROP_FRACTION_COMPLETE:
+		gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (dlg->priv->progress), g_value_get_double (value));
+		break;
+	case PROP_NTH_URI:
+		n = g_value_get_uint (value);
+		if (n != dlg->priv->nth)
+		{
+			dlg->priv->nth = g_value_get_uint (value);
+			file_transfer_dialog_update_num_files (dlg);
+		}
+		break;
+	case PROP_TOTAL_URIS:
+		n = g_value_get_uint (value);
+		if (n != dlg->priv->nth)
+		{
+			dlg->priv->total = g_value_get_uint (value);
+			file_transfer_dialog_update_num_files (dlg);
+		}
+		break;
+	case PROP_PARENT:
+		parent = g_value_get_pointer (value);
+		if (parent)
+		{
+			gtk_window_set_title (GTK_WINDOW (dlg), gtk_window_get_title (parent));
+			gtk_window_set_transient_for (GTK_WINDOW (dlg), parent);
+		}
+		else
+			gtk_window_set_title (GTK_WINDOW (dlg),
+					      _("Copying files"));
+		break;
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+	}
+}
+
+static void
+file_transfer_dialog_get_prop (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+{
+	FileTransferDialog *dlg = FILE_TRANSFER_DIALOG (object);
+
+	switch (prop_id)
+	{
+	case PROP_NTH_URI:
+		g_value_set_uint (value, dlg->priv->nth);
+		break;
+	case PROP_TOTAL_URIS:
+		g_value_set_uint (value, dlg->priv->total);
+		break;
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+	}
+}
+
+static void
+file_transfer_dialog_class_init (FileTransferDialogClass *klass)
+{
+	GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+	object_class->finalize = file_transfer_dialog_finalize;
+	object_class->get_property = file_transfer_dialog_get_prop;
+	object_class->set_property = file_transfer_dialog_set_prop;
+
+	GTK_DIALOG_CLASS (klass)->response = file_transfer_dialog_response;
+
+	g_object_class_install_property
+		(object_class, PROP_PARENT,
+		 g_param_spec_pointer ("parent",
+				      _("Parent Window"),
+				      _("Parent window of the dialog"),
+				      G_PARAM_READWRITE));
+
+	g_object_class_install_property
+		(object_class, PROP_FROM_URI,
+		 g_param_spec_string ("from_uri",
+				      _("From URI"),
+				      _("URI currently transferring from"),
+				      NULL,
+				      G_PARAM_READWRITE));
+
+	g_object_class_install_property
+		(object_class, PROP_TO_URI,
+		 g_param_spec_string ("to_uri",
+				      _("To URI"),
+				      _("URI currently transferring to"),
+				      NULL,
+				      G_PARAM_WRITABLE));
+
+	g_object_class_install_property
+		(object_class, PROP_FRACTION_COMPLETE,
+		 g_param_spec_double ("fraction_complete",
+				      _("Fraction completed"),
+				      _("Fraction of transfer currently completed"),
+				      0, 1, 0,
+				      G_PARAM_WRITABLE));
+
+	g_object_class_install_property
+		(object_class, PROP_NTH_URI,
+		 g_param_spec_uint ("nth_uri",
+				    _("Current URI index"),
+				    _("Current URI index - starts from 1"),
+				    1, INT_MAX, 1,
+				    G_PARAM_READWRITE));
+
+	g_object_class_install_property
+		(object_class, PROP_TOTAL_URIS,
+		 g_param_spec_uint ("total_uris",
+				    _("Total URIs"),
+				    _("Total number of URIs"),
+				    1, INT_MAX, 1,
+				    G_PARAM_READWRITE));
+
+	file_transfer_dialog_signals[CANCEL] =
+		g_signal_new ("cancel",
+			      G_TYPE_FROM_CLASS (object_class),
+			      G_SIGNAL_RUN_FIRST,
+			      0,
+			      NULL, NULL,
+			      g_cclosure_marshal_VOID__VOID,
+			      G_TYPE_NONE, 0);
+
+	file_transfer_dialog_signals[DONE] =
+		g_signal_new ("done",
+			      G_TYPE_FROM_CLASS (object_class),
+			      G_SIGNAL_RUN_LAST,
+			      0,
+			      NULL, NULL,
+			      g_cclosure_marshal_VOID__VOID,
+			      G_TYPE_NONE, 0);
+
+        g_type_class_add_private (klass, sizeof (FileTransferDialogPrivate));
+}
+
+static void
+file_transfer_dialog_init (FileTransferDialog *dlg)
+{
+	GtkWidget *vbox;
+	GtkWidget *hbox;
+	GtkWidget *progress_vbox;
+	GtkWidget *table;
+	char      *markup;
+	GtkWidget *content_area;
+
+	content_area = gtk_dialog_get_content_area (GTK_DIALOG (dlg));
+	dlg->priv = FILE_TRANSFER_DIALOG_GET_PRIVATE (dlg);
+	dlg->priv->cancellable = g_cancellable_new ();
+
+	gtk_container_set_border_width (GTK_CONTAINER (content_area), 4);
+	gtk_box_set_spacing (GTK_BOX (content_area), 4);
+
+	gtk_widget_set_size_request (GTK_WIDGET (dlg), 350, -1);
+
+	vbox = gtk_vbox_new (FALSE, 6);
+	gtk_container_set_border_width (GTK_CONTAINER (vbox), 6);
+	gtk_box_pack_start (GTK_BOX (content_area), vbox, TRUE, TRUE, 0);
+
+	dlg->priv->status = gtk_label_new (NULL);
+	markup = g_strconcat ("<big><b>", _("Copying files"), "</b></big>", NULL);
+	gtk_label_set_markup (GTK_LABEL (dlg->priv->status), markup);
+	g_free (markup);
+
+	gtk_misc_set_alignment (GTK_MISC (dlg->priv->status), 0.0, 0.0);
+
+	gtk_box_pack_start (GTK_BOX (vbox), dlg->priv->status, FALSE, FALSE, 0);
+
+	hbox = gtk_hbox_new (FALSE, 0);
+	gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, TRUE, 0);
+
+	table = gtk_table_new (2, 2, FALSE);
+	gtk_table_set_row_spacings (GTK_TABLE (table), 4);
+	gtk_table_set_col_spacings (GTK_TABLE (table), 4);
+
+	gtk_box_pack_start (GTK_BOX (vbox), GTK_WIDGET (table), FALSE, FALSE, 0);
+
+	progress_vbox = gtk_vbox_new (TRUE, 0);
+	gtk_box_pack_start (GTK_BOX (vbox), progress_vbox, FALSE, FALSE, 0);
+
+	dlg->priv->progress = gtk_progress_bar_new ();
+	gtk_box_pack_start (GTK_BOX (progress_vbox),
+			    dlg->priv->progress, FALSE, FALSE, 0);
+
+	gtk_dialog_add_button (GTK_DIALOG (dlg),
+			       GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
+
+	gtk_dialog_set_has_separator (GTK_DIALOG (dlg), FALSE);
+	gtk_container_set_border_width (GTK_CONTAINER (dlg), 6);
+
+	gtk_widget_show_all (content_area);
+}
+
+GtkWidget*
+file_transfer_dialog_new (void)
+{
+	return GTK_WIDGET (g_object_new (file_transfer_dialog_get_type (),
+					 NULL));
+}
+
+GtkWidget*
+file_transfer_dialog_new_with_parent (GtkWindow *parent)
+{
+	return GTK_WIDGET (g_object_new (file_transfer_dialog_get_type (),
+					 "parent", parent, NULL));
+}
+
+static gboolean
+file_transfer_job_update (gpointer user_data)
+{
+	FileTransferData *data = user_data;
+	gdouble fraction;
+	gdouble current_fraction;
+
+	if (data->total_bytes == 0)
+		current_fraction = 0.0;
+	else
+		current_fraction = ((gdouble) data->current_bytes) / data->total_bytes;
+
+	fraction = ((gdouble) data->current_file - 1) / data->total_files +
+		   (1.0 / data->total_files) * current_fraction;
+
+	g_object_set (data->dialog,
+		      "from_uri", data->source,
+		      "to_uri", data->target,
+		      "nth_uri", data->current_file,
+		      "fraction_complete", fraction,
+		      NULL);
+	return FALSE;
+}
+
+static void
+file_transfer_job_progress (goffset current_bytes,
+			    goffset total_bytes,
+			    gpointer user_data)
+{
+	FileTransferData *data = user_data;
+
+	data->current_bytes = current_bytes;
+	data->total_bytes = total_bytes;
+
+	gdk_threads_enter ();
+	file_transfer_job_update (data);
+	gdk_threads_leave ();
+}
+
+static void
+file_transfer_job_destroy (FileTransferJob *job)
+{
+	g_object_unref (job->dialog);
+	g_slist_foreach (job->source_files, (GFunc) g_object_unref, NULL);
+	g_slist_foreach (job->target_files, (GFunc) g_object_unref, NULL);
+	g_slist_free (job->source_files);
+	g_slist_free (job->target_files);
+	if (job->overwrite_dialog != NULL)
+		gtk_widget_destroy (GTK_WIDGET (job->overwrite_dialog));
+	g_free (job);
+}
+
+static gboolean
+file_transfer_dialog_done (FileTransferDialog *dialog)
+{
+	g_signal_emit (dialog,
+		       file_transfer_dialog_signals[DONE],
+		       0, NULL);
+	return FALSE;
+}
+
+static gboolean
+file_transfer_dialog_cancel (FileTransferDialog *dialog)
+{
+	g_signal_emit (dialog,
+		       file_transfer_dialog_signals[CANCEL],
+		       0, NULL);
+	return FALSE;
+}
+
+static gboolean
+file_transfer_dialog_overwrite (gpointer user_data)
+{
+	FileTransferData *data = user_data;
+	GtkDialog *dialog;
+
+	dialog = data->overwrite_dialog;
+
+	if (dialog != NULL) {
+	} else {
+		GtkWidget *button;
+
+		dialog = GTK_DIALOG (gtk_message_dialog_new (GTK_WINDOW (data->dialog),
+							     GTK_DIALOG_MODAL, GTK_MESSAGE_QUESTION,
+							     GTK_BUTTONS_NONE,
+							     _("File '%s' already exists. Do you want to overwrite it?"),
+							     data->target));
+
+		gtk_dialog_add_button (dialog, _("_Skip"), GTK_RESPONSE_NO);
+		gtk_dialog_add_button (dialog, _("Overwrite _All"), GTK_RESPONSE_APPLY);
+
+		button = gtk_button_new_with_label (_("_Overwrite"));
+		gtk_button_set_image (GTK_BUTTON (button),
+				      gtk_image_new_from_stock (GTK_STOCK_APPLY,
+								GTK_ICON_SIZE_BUTTON));
+		gtk_dialog_add_action_widget (dialog, button, GTK_RESPONSE_YES);
+		gtk_widget_show (button);
+
+		data->overwrite_dialog = dialog;
+	}
+
+	data->response = gtk_dialog_run (dialog);
+
+	gtk_widget_hide (GTK_WIDGET (dialog));
+	return FALSE;
+}
+
+/* TODO: support transferring directories recursively? */
+static gboolean
+file_transfer_job_schedule (GIOSchedulerJob *io_job,
+			    GCancellable *cancellable,
+			    FileTransferJob *job)
+{
+	GFile *source, *target;
+	gboolean success;
+	GFileCopyFlags copy_flags = G_FILE_COPY_NONE;
+	FileTransferData data;
+	GError *error;
+	gboolean retry;
+
+	/* take the first file from the list and copy it */
+	source = job->source_files->data;
+	job->source_files = g_slist_delete_link (job->source_files, job->source_files);
+
+	target = job->target_files->data;
+	job->target_files = g_slist_delete_link (job->target_files, job->target_files);
+
+	data.dialog = job->dialog;
+	data.overwrite_dialog = job->overwrite_dialog;
+	data.current_file = job->dialog->priv->nth + 1;
+	data.total_files = job->dialog->priv->total;
+	data.current_bytes = data.total_bytes = 0;
+	data.source = g_file_get_basename (source);
+	data.target = g_file_get_basename (target);
+
+	g_io_scheduler_job_send_to_mainloop (io_job,
+					     file_transfer_job_update,
+					     &data,
+					     NULL);
+
+	if (job->options & FILE_TRANSFER_DIALOG_OVERWRITE)
+		copy_flags |= G_FILE_COPY_OVERWRITE;
+
+	do {
+		retry = FALSE;
+		error = NULL;
+		success = g_file_copy (source, target,
+				       copy_flags,
+				       job->dialog->priv->cancellable,
+				       file_transfer_job_progress,
+				       &data,
+				       &error);
+
+		if (error != NULL)
+		{
+			if (error->domain == G_IO_ERROR &&
+			    error->code == G_IO_ERROR_EXISTS)
+			{
+				/* since the job is run in a thread, we cannot simply run
+				 * a dialog here and need to defer it to the mainloop */
+				data.response = GTK_RESPONSE_NONE;
+				g_io_scheduler_job_send_to_mainloop (io_job,
+								     file_transfer_dialog_overwrite,
+								     &data,
+								     NULL);
+
+				if (data.response == GTK_RESPONSE_YES) {
+					retry = TRUE;
+					copy_flags |= G_FILE_COPY_OVERWRITE;
+				} else if (data.response == GTK_RESPONSE_APPLY) {
+					retry = TRUE;
+					job->options |= FILE_TRANSFER_DIALOG_OVERWRITE;
+					copy_flags |= G_FILE_COPY_OVERWRITE;
+				} else {
+					success = TRUE;
+				}
+
+				job->overwrite_dialog = data.overwrite_dialog;
+			}
+			g_error_free (error);
+		}
+	} while (retry);
+
+	g_object_unref (source);
+	g_object_unref (target);
+
+	g_free (data.source);
+	g_free (data.target);
+
+	if (success)
+	{
+		if (job->source_files == NULL)
+		{
+			g_io_scheduler_job_send_to_mainloop_async (io_job,
+								   (GSourceFunc) file_transfer_dialog_done,
+								   g_object_ref (job->dialog),
+								   g_object_unref);
+			return FALSE;
+		}
+	}
+	else /* error on copy or cancelled */
+	{
+		g_io_scheduler_job_send_to_mainloop_async (io_job,
+							   (GSourceFunc) file_transfer_dialog_cancel,
+							   g_object_ref (job->dialog),
+							   g_object_unref);
+		return FALSE;
+	}
+
+	/* more work to do... */
+	return TRUE;
+}
+
+void
+file_transfer_dialog_copy_async (FileTransferDialog *dlg,
+				 GList *source_files,
+				 GList *target_files,
+				 FileTransferDialogOptions options,
+				 int priority)
+{
+	FileTransferJob *job;
+	GList *l;
+	guint n;
+
+	job = g_new0 (FileTransferJob, 1);
+	job->dialog = g_object_ref (dlg);
+	job->options = options;
+
+	/* we need to copy the list contents for private use */
+	n = 0;
+	for (l = g_list_last (source_files); l; l = l->prev, ++n)
+	{
+		job->source_files = g_slist_prepend (job->source_files,
+						     g_object_ref (l->data));
+	}
+	for (l = g_list_last (target_files); l; l = l->prev)
+	{
+		job->target_files = g_slist_prepend (job->target_files,
+						     g_object_ref (l->data));
+	}
+
+	g_object_set (dlg, "total_uris", n, NULL);
+
+	g_io_scheduler_push_job ((GIOSchedulerJobFunc) file_transfer_job_schedule,
+				 job,
+				 (GDestroyNotify) file_transfer_job_destroy,
+				 priority,
+				 dlg->priv->cancellable);
+}