Re: [Bluez-devel] [PATCH] Updated sendto

[Bastien Nocera <hadess@hadess.net>]

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On Sat, 2008-02-23 at 01:30 +0000, Bastien Nocera wrote:
> On Thu, 2008-02-07 at 00:59 +0000, Bastien Nocera wrote:
> <snip>
> > And one that works with obex-data-server 0.1
> 
> Updated against current CVS, and fix a memleak when getting the adapters
> list. New main.c file attached as well, for easier review.

Updated against current CVS.

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Index: dialog.h
===================================================================
RCS file: /cvsroot/bluez/gnome/sendto/dialog.h,v
retrieving revision 1.1
diff -u -p -u -p -r1.1 dialog.h
--- dialog.h	23 Feb 2008 06:20:17 -0000	1.1
+++ dialog.h	24 Feb 2008 18:26:11 -0000
@@ -21,5 +21,7 @@
  *
  */
 
+#include <glib.h>
+
 gchar *show_browse_dialog(void);
 GSList *show_select_dialog(void);
Index: main.c
===================================================================
RCS file: /cvsroot/bluez/gnome/sendto/main.c,v
retrieving revision 1.24
diff -u -p -u -p -r1.24 main.c
--- main.c	23 Feb 2008 06:20:17 -0000	1.24
+++ main.c	24 Feb 2008 18:26:12 -0000
@@ -3,6 +3,8 @@
  *  BlueZ - Bluetooth protocol stack for Linux
  *
  *  Copyright (C) 2005-2008  Marcel Holtmann <marcel@holtmann.org>
+ *  Copyright (C) 2006-2007 Tadas Dailyda <tadas@dailyda.com>
+ *  Copyright (C) 2007 Bastien Nocera <hadess@hadess.net>
  *
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -25,199 +27,621 @@
 #include <config.h>
 #endif
 
-#include <dbus/dbus-glib.h>
 
 #include <glib/gi18n.h>
+#include <gtk/gtk.h>
 
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/time.h>
+#include <sys/types.h>
+
+#include <dbus/dbus-glib.h>
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <glib/gstdio.h>
 #include <gtk/gtk.h>
 
+#include "dbus-glue.h"
 #include "marshal.h"
-
 #include "dialog.h"
 
-static DBusGConnection *conn = NULL;
+/* DBus */
+static DBusGConnection *connection = NULL;
+static DBusGProxy *manager_proxy = NULL;
+static DBusGProxy *session_proxy = NULL;
+/* GTK */
+static GtkWidget *main_dialog, *from_label, *operation_label, *progress_bar;
+/* sending related */
+static gsize file_length = 0;
+static guint file_count = 0;
+static guint current_file = 0;
+static GSList *file_list = NULL;
+static guint byte_count = 0;
+static guint bytes_sent = 0;
+static gint64 first_transfer_time = 0;
+static gint64 last_update_time = 0;
+
+typedef enum {
+	BUTTONS_OK,
+	BUTTONS_RETRY_CANCEL,
+	BUTTONS_RETRY_SKIP_CANCEL
+} ButtonSet;
+
+/* Command line options */
+static gchar **files_to_send = NULL;
+static gchar *bdaddrstr = NULL;
+static gchar *device_name = NULL;
+
+#define DIALOG_RESPONSE_SKIP 1
+#define DIALOG_RESPONSE_RETRY 2
+
+static void error_occurred_cb(DBusGProxy *proxy, const gchar *error_name,
+			      const gchar *error_message, gpointer user_data);
+
+static const GOptionEntry options[] = {
+	{"dest", 'd', 0, G_OPTION_ARG_STRING, &bdaddrstr, 
+		"Bluetooth address of destination device", "BDADDR"},
+	{G_OPTION_REMAINING, '\0', 0, G_OPTION_ARG_FILENAME_ARRAY, &files_to_send},
+	{NULL}
+};
 
-static GtkWidget *dialog;
-static GtkWidget *label_filename;
-static GtkWidget *label_status;
-static GtkWidget *progress;
+static gint64 get_system_time(void)
+{
+	struct timeval tmp;
 
-static guint64 filesize = 0;
+	gettimeofday(&tmp, NULL);
+	return (gint64)tmp.tv_usec + (gint64)tmp.tv_sec * G_GINT64_CONSTANT(1000000);
+}
 
-static void response_callback(GtkWidget *dialog,
-					gint response, gpointer user_data)
+static gboolean is_palm_device(const gchar *bdaddr)
 {
-	gtk_widget_destroy(dialog);
-
-	gtk_main_quit();
+	return (g_str_has_prefix(bdaddr, "00:04:6B")
+		|| g_str_has_prefix(bdaddr, "00:07:E0")
+		|| g_str_has_prefix(bdaddr, "00:0E:20"));
 }
 
-static void create_window(const gchar *filename)
+/* Return the local absolute filename for the file, and its size
+ * if the file exists and is stat()'able */
+static gchar *normalise_filename(const gchar *filename, gint64 *size)
 {
-	GtkWidget *vbox;
-	GtkWidget *label;
-	gchar *text;
+	char *ret;
+	struct stat file_stat;
 
-	dialog = gtk_dialog_new_with_buttons(_("File Transfer"), NULL,
-				GTK_DIALOG_NO_SEPARATOR,
-				GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE, NULL);
+	g_return_val_if_fail(filename != NULL, NULL);
+	g_return_val_if_fail(size != NULL, NULL);
 
-	gtk_window_set_default_size(GTK_WINDOW(dialog), 400, -1);
+	if (g_str_has_prefix(filename, "file://")) {
+		ret = g_filename_from_uri(filename, NULL, NULL);
+		if (ret == NULL)
+			return NULL;
+	} else if (filename[0] == '/') {
+		ret = g_strdup(filename);
+	} else {
+		gchar *curdir;
+
+		curdir = g_get_current_dir();
+		ret = g_build_filename(curdir, filename, NULL);
+		g_free(curdir);
+	}
 
-	gtk_container_set_border_width(GTK_CONTAINER(dialog), 6);
+	if (!g_file_test(ret, G_FILE_TEST_IS_REGULAR)) {
+		g_free(ret);
+		return NULL;
+	}
 
-	vbox = gtk_vbox_new(FALSE, 6);
-	gtk_container_set_border_width(GTK_CONTAINER(vbox), 12);
-	gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), vbox);
+	if (!g_stat(ret, &file_stat)) {
+		*size = file_stat.st_size;
+	} else {
+		g_free(ret);
+		return NULL;
+	}
 
-	label = gtk_label_new(NULL);
-	gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.0);
-	gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
+	return ret;
+}
 
-	label_filename = label;
+static gchar *get_device_name(void)
+{
+	DBusGConnection *connection;
+	DBusGProxy *manager;
+	GError *error = NULL;
+	gchar *name, **adapters;
+	guint i;
 
-	progress = gtk_progress_bar_new();
-	gtk_box_pack_start(GTK_BOX(vbox), progress, FALSE, FALSE, 0);
+	name = NULL;
 
-	label = gtk_label_new(NULL);
-	gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
-	gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.0);
-	gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 6);
+	connection = dbus_g_bus_get(DBUS_BUS_SYSTEM, NULL);
+	if (connection == NULL)
+		return NULL;
+
+	manager = dbus_g_proxy_new_for_name(connection, "org.bluez",
+					    "/org/bluez", "org.bluez.Manager");
+	if (!manager) {
+		dbus_g_connection_unref(connection);
+		return NULL;
+	}
 
-	label_status = label;
+	if (!manager_list_adapters(manager, &adapters, &error)) {
+		g_object_unref(manager);
+		dbus_g_connection_unref(connection);
+		return NULL;
+	}
 
-	text = g_strdup_printf("<b>%s</b>", filename);
-	gtk_label_set_markup(GTK_LABEL(label_filename), text);
-	g_free(text);
+	for (i = 0; adapters[i] != NULL; i++) {
+		DBusGProxy *adapter;
 
-	gtk_label_set_markup(GTK_LABEL(label_status), _("Connecting..."));
+		adapter = dbus_g_proxy_new_for_name(connection, "org.bluez",
+						    adapters[i], "org.bluez.Adapter");
+		if (dbus_g_proxy_call(adapter, "GetRemoteName", NULL,
+				      G_TYPE_STRING, bdaddrstr, G_TYPE_INVALID,
+				      G_TYPE_STRING, &name, G_TYPE_INVALID)) {
+			if (name != NULL && name[0] != '\0') {
+				g_object_unref(adapter);
+				break;
+			}
+		}
+		g_object_unref(adapter);
+	}
 
-	gtk_dialog_set_response_sensitive(GTK_DIALOG(dialog),
-						GTK_RESPONSE_CLOSE, FALSE);
+	g_strfreev(adapters);
+	g_object_unref(manager);
+	dbus_g_connection_unref(connection);
 
-	g_signal_connect(G_OBJECT(dialog), "response",
-				G_CALLBACK(response_callback), NULL);
+	return name;
+}
 
-	gtk_widget_show_all(dialog);
+static gint show_error_dialog(GtkWindow *parent, ButtonSet buttons,
+			      const gchar *primary_text, const gchar *secondary_text)
+{
+	GtkWidget *dialog;
+	gchar *primary_text_markup;
+	gint ret;
+
+	primary_text_markup = g_strdup_printf("<span weight=\"bold\" size=\"larger\">%s</span>", 
+					      primary_text);
+	dialog = gtk_message_dialog_new_with_markup(parent, 0, GTK_MESSAGE_ERROR, 
+						    buttons==BUTTONS_OK? GTK_BUTTONS_OK: GTK_BUTTONS_CANCEL, 
+						    primary_text_markup);
+	gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog),
+						 secondary_text);
+	if (buttons == BUTTONS_RETRY_SKIP_CANCEL) {
+		gtk_dialog_add_button(GTK_DIALOG(dialog), _("Skip"),
+				      DIALOG_RESPONSE_SKIP);
+	}
+	if (buttons != BUTTONS_OK) {
+		gtk_dialog_add_button(GTK_DIALOG(dialog), _("Retry"),
+				      DIALOG_RESPONSE_RETRY);
+	}
+	ret = gtk_dialog_run(GTK_DIALOG(dialog));
+
+	gtk_widget_destroy(dialog);
+	g_free(primary_text_markup);
+	return ret;
 }
 
-static void transfer_started(DBusGProxy *proxy, gchar *a, gchar *b,
-					guint64 size, gpointer user_data)
+static gint show_connection_error_dialog(GtkWindow *parent, const gchar *bdaddr,
+					 const gchar *primary_text)
 {
-	gchar *text;
+	if (!is_palm_device(bdaddrstr)) {
+		return show_error_dialog(parent,
+					 BUTTONS_RETRY_CANCEL,
+					 primary_text,
+					 _("Make sure that remote device is on and that it accepts Bluetooth connections."));
+	} else {
+		return show_error_dialog(parent,
+					 BUTTONS_RETRY_CANCEL,
+					 primary_text,
+					 _("Make sure \"Beam receive\" is enabled in the Power preferences, and Bluetooth is enabled, on your Palm device."));
+	}
+}
 
-	filesize = size;
+static gint handle_file_sending_error(const gchar *error_text,
+				      const gchar *error_secondary_text)
+{
+	ButtonSet buttons;
+	gint response_id;
 
-	text = g_strdup_printf(_("Starting transfer of %jd bytes"), size);
-	gtk_label_set_markup(GTK_LABEL(label_status), text);
-	g_free(text);
+	if (file_count > 1 && current_file < file_count - 1)
+		buttons = BUTTONS_RETRY_SKIP_CANCEL;
+	else
+		buttons = BUTTONS_RETRY_CANCEL;
+
+	response_id = show_error_dialog(GTK_WINDOW(main_dialog), buttons, 
+					error_text, error_secondary_text);
+
+	switch (response_id) {
+	case DIALOG_RESPONSE_SKIP:
+		current_file++;
+		bytes_sent += file_length;
+	case DIALOG_RESPONSE_RETRY:
+		return TRUE;
+	case GTK_RESPONSE_CANCEL:
+	default:
+		gtk_main_quit();
+		break;
+	}
+	return response_id;
+}
 
-	gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress), 0.0);
+static void cancel_clicked_cb(GtkWidget *button, gpointer user_data)
+{
+	gtk_main_quit();
 }
 
-static void transfer_progress(DBusGProxy *proxy,
-					guint64 bytes, gpointer user_data)
+static void ui_init(void)
 {
+	GtkWidget *vbox, *vbox_parent, *table;
+	GtkWidget *label1, *label2, *label3, *target_label;
+	GtkWidget *button;
 	gchar *text;
-	gdouble fraction;
 
-	text = g_strdup_printf(_("Transfered %jd of %jd bytes"),
-							bytes, filesize);
-	gtk_label_set_markup(GTK_LABEL(label_status), text);
+	/* initialize UI */
+
+	device_name = get_device_name();
+
+	/* main dialog */
+	main_dialog = gtk_dialog_new();
+	gtk_dialog_set_has_separator(GTK_DIALOG(main_dialog), FALSE);
+	gtk_window_set_title(GTK_WINDOW(main_dialog),
+			     _("Bluetooth file transfer"));
+	gtk_window_set_icon_name(GTK_WINDOW(main_dialog), "stock_bluetooth");
+	gtk_window_set_type_hint(GTK_WINDOW(main_dialog),
+				 GDK_WINDOW_TYPE_HINT_NORMAL);
+	gtk_window_set_position(GTK_WINDOW(main_dialog), GTK_WIN_POS_CENTER);
+	gtk_window_set_resizable(GTK_WINDOW(main_dialog), FALSE);
+	gtk_widget_set(main_dialog, "width-request", 400, NULL);
+	button = gtk_dialog_add_button(GTK_DIALOG(main_dialog),
+				       GTK_STOCK_CANCEL,
+				       GTK_RESPONSE_CANCEL);
+	g_signal_connect(G_OBJECT(button), "clicked",
+			 G_CALLBACK(cancel_clicked_cb), NULL);
+	gtk_container_set_border_width(GTK_CONTAINER(main_dialog), 6);
+
+	/* table elements */
+	from_label = gtk_label_new(NULL);
+	gtk_misc_set_alignment(GTK_MISC(from_label), 0, 0.5);
+	gtk_label_set_ellipsize(GTK_LABEL(from_label), PANGO_ELLIPSIZE_MIDDLE);
+	target_label = gtk_label_new(NULL);
+	gtk_misc_set_alignment(GTK_MISC(target_label), 0, 0.5);
+	gtk_label_set_ellipsize(GTK_LABEL(target_label), PANGO_ELLIPSIZE_END);
+	gtk_label_set_text(GTK_LABEL(target_label), device_name ? device_name : bdaddrstr);
+	label2 = gtk_label_new(NULL);
+	text = g_markup_printf_escaped("<b>%s</b>", _("From:"));
+	gtk_label_set_markup(GTK_LABEL(label2), text);
+	g_free(text);
+	label3 = gtk_label_new(NULL);
+	gtk_misc_set_alignment(GTK_MISC(label3), 1, 0.5);
+	text = g_markup_printf_escaped("<b>%s</b>", _("To:"));
+	gtk_label_set_markup(GTK_LABEL(label3), text);
 	g_free(text);
 
-	fraction = (gdouble) bytes / (gdouble) filesize;
-	gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress), fraction);
+	/* table */
+	table = gtk_table_new(2, 2, FALSE);
+	gtk_table_set_col_spacings(GTK_TABLE(table), 4);
+	gtk_table_set_row_spacings(GTK_TABLE(table), 4);
+	gtk_table_attach_defaults(GTK_TABLE(table), from_label, 1, 2, 0, 1);
+	gtk_table_attach_defaults(GTK_TABLE(table), target_label, 1, 2, 1, 2);
+	gtk_table_attach(GTK_TABLE(table), label2, 0, 1, 0, 1, GTK_FILL, 0, 0, 0);
+	gtk_table_attach(GTK_TABLE(table), label3, 0, 1, 1, 2, GTK_FILL, 0, 0, 0);
+
+	/* vbox elements */
+	label1 = gtk_label_new(NULL);
+	gtk_misc_set_alignment(GTK_MISC(label1), 0, 0.5);
+	text = g_markup_printf_escaped("<span weight=\"bold\" size=\"larger\">%s</span>",
+				       _("Sending files via bluetooth"));
+	gtk_label_set_markup(GTK_LABEL(label1), text);
+	g_free(text);
+	progress_bar = gtk_progress_bar_new();
+	gtk_progress_bar_set_ellipsize(GTK_PROGRESS_BAR(progress_bar),
+				       PANGO_ELLIPSIZE_END);
+	gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress_bar),
+				  _("Connecting..."));
+	operation_label = gtk_label_new(NULL);
+	gtk_misc_set_alignment(GTK_MISC(operation_label), 0, 0.5);
+	gtk_label_set_ellipsize(GTK_LABEL(operation_label), PANGO_ELLIPSIZE_END);
+
+	/* vbox */
+	vbox = gtk_vbox_new(FALSE, 0);
+	gtk_box_set_spacing(GTK_BOX(vbox), 6);
+	gtk_container_set_border_width(GTK_CONTAINER(vbox), 6);
+	gtk_box_pack_start_defaults(GTK_BOX(vbox), label1);
+	gtk_box_pack_start(GTK_BOX(vbox), table, TRUE, TRUE, 9);
+	gtk_box_pack_start_defaults(GTK_BOX(vbox), progress_bar);
+	gtk_box_pack_start(GTK_BOX(vbox), operation_label, TRUE, TRUE, 2);
+	vbox_parent = gtk_bin_get_child(GTK_BIN(main_dialog));
+	gtk_box_pack_start_defaults(GTK_BOX(vbox_parent), vbox);
+
+	/* show it */
+	gtk_widget_show_all(main_dialog);
 }
 
-static void transfer_completed(DBusGProxy *proxy, gpointer user_data)
+static gboolean send_one(gpointer user_data)
 {
-	gtk_label_set_markup(GTK_LABEL(label_status), _("Completed"));
+	const gchar *fname;
+	gint ret;
+	gchar *bname, *dirname;
+	GError *err = NULL;
+	gchar *operation_text, *operation_markup, *progressbar_text;
+
+	if ((fname = g_slist_nth_data(file_list, current_file))) {
+		/* there's a file to send */
+		dbus_g_proxy_call(session_proxy, "SendFile", &err,
+				  G_TYPE_STRING, fname, G_TYPE_INVALID, G_TYPE_INVALID);
+
+		if (err != NULL) {
+			ret = handle_file_sending_error(_("Unable to read file"),
+							err->message);
+			if (ret != GTK_RESPONSE_CANCEL) {
+				g_idle_add((GSourceFunc) send_one, NULL);
+			}
+			g_error_free(err);
+			return FALSE;
+		}
 
-	gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress), 1.0);
+		if (!first_transfer_time) {
+			first_transfer_time = get_system_time();
+		}
+		bname = g_path_get_basename(fname);
+		dirname = g_path_get_dirname(fname);
 
-	dbus_g_proxy_call(proxy, "Disconnect", NULL, G_TYPE_INVALID,
-							G_TYPE_INVALID);
+		operation_text = g_strdup_printf(_("Sending %s"), bname);
+		operation_markup = g_markup_printf_escaped("<i>%s</i>", operation_text);
+		progressbar_text = g_strdup_printf(_("Sending file: %d of %d"),
+						   current_file+1,
+						   file_count);
+		gtk_label_set_text(GTK_LABEL(from_label), dirname);
+		gtk_label_set_markup(GTK_LABEL(operation_label), operation_markup);
+		gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress_bar),
+					  progressbar_text);
+
+		g_free(bname);
+		g_free(dirname);
+		g_free(operation_text);
+		g_free(operation_markup);
+		g_free(progressbar_text);
+	} else {
+		/* nothing left to send, time to quit */
+		gtk_main_quit();
+	}
+	return FALSE;
+}
 
-	gtk_dialog_set_response_sensitive(GTK_DIALOG(dialog),
-						GTK_RESPONSE_CLOSE, TRUE);
+static void session_connected_cb(DBusGProxy *proxy, gpointer user_data)
+{
+	/* OBEX connect has succeeded, so start sending */
+	g_idle_add((GSourceFunc) send_one, NULL);
 }
 
-static void session_connected(DBusGProxy *proxy, gpointer user_data)
+static void transfer_started_cb(DBusGProxy *proxy, const gchar *filename,
+				const gchar *local_path, guint64 byte_count, gpointer user_data)
 {
-	gchar *filename = user_data;
-	GError *error = NULL;
+	file_length = byte_count;
+}
 
-	gtk_label_set_markup(GTK_LABEL(label_status), _("Connected"));
+static void transfer_cancelled_cb(DBusGProxy *proxy, gpointer user_data)
+{
+	gint ret;
+	gchar *error_text;
 
-	dbus_g_proxy_call(proxy, "SendFile", &error,
-				G_TYPE_STRING, filename, G_TYPE_INVALID,
-							G_TYPE_INVALID);
-
-	if (error != NULL) {
-		g_printerr("Sending of file %s failed: %s\n", filename,
-							error->message);
-		g_error_free(error);
-		gtk_main_quit();
+	error_text = g_strdup_printf(_("An error occured while sending file '%s'"),
+				     (gchar *)g_slist_nth_data(file_list, current_file));
+	ret = handle_file_sending_error(error_text,
+					_("The remote device cancelled the transfer"));
+
+	if (ret != GTK_RESPONSE_CANCEL)
+		g_idle_add((GSourceFunc) send_one, NULL);
+
+	g_free(error_text);
+}
+
+static void transfer_progress_cb(DBusGProxy *proxy, guint64 bytes_transferred, gpointer user_data)
+{
+	gdouble frac;
+	guint actual_bytes_sent;
+	gint elapsed_time;
+	gint transfer_rate;
+	gint time_remaining;
+	gint64 current_time;
+	gchar *str, *str2;
+	gchar *progressbar_text;
+
+	/* update progress bar fraction */
+	actual_bytes_sent = bytes_sent + bytes_transferred;
+	frac = (gdouble)actual_bytes_sent / byte_count;
+	gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress_bar), frac);
+
+	/* update progress bar text (time remaining)
+	 * (only update once in a second) */
+	current_time = get_system_time();
+	elapsed_time = (current_time - first_transfer_time) / 1000000;
+
+	if (last_update_time) {
+		if (current_time < last_update_time + 1000000)
+			return;
+		else
+			last_update_time = current_time;
+	} else {
+		last_update_time = current_time;
 	}
+
+	if (!elapsed_time)
+		return;
+
+	transfer_rate = actual_bytes_sent / elapsed_time;
+	if (transfer_rate == 0)
+		return;
+
+	time_remaining = (byte_count - actual_bytes_sent) / transfer_rate;
+
+	if (time_remaining >= 3600) {
+		str = g_strdup_printf(_("(%d:%02d:%d Remaining)"), 
+				      time_remaining / 3600,
+				      (time_remaining % 3600) / 60,
+				      (time_remaining % 3600) % 60);
+	} else {
+		str = g_strdup_printf(_("(%d:%02d Remaining)"), 
+				      time_remaining / 60,
+				      time_remaining % 60);
+	}
+
+	/* Translators:
+	 * Sending file 1 of 3 */
+	str2 = g_strdup_printf(_("Sending file %d of %d"),
+			       current_file + 1,
+			       file_count);
+	progressbar_text = g_strconcat(str2, " ", str, NULL);
+	gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress_bar),
+				  progressbar_text);
+	g_free(str);
+	g_free(str2);
+	g_free(progressbar_text);
 }
 
-static void create_notify(DBusGProxy *proxy,
-				DBusGProxyCall *call, void *user_data)
+static void transfer_completed_cb(DBusGProxy *proxy, gpointer user_data)
+{
+	current_file++;
+	bytes_sent += file_length;
+
+	g_idle_add((GSourceFunc) send_one, NULL);
+}
+
+static void session_created_cb(DBusGProxy *proxy, DBusGProxyCall *call, gpointer user_data)
 {
 	GError *error = NULL;
 	const gchar *path = NULL;
 
-	if (dbus_g_proxy_end_call(proxy, call, &error,
-					DBUS_TYPE_G_OBJECT_PATH, &path,
-						G_TYPE_INVALID) == FALSE) {
-		gchar *text, *message;
-
-		if (error != NULL) {
-			message = g_strdup(error->message);
-			g_error_free(error);
-		} else
-			message = g_strdup(_("An unknown error occured"));
-
-		text = g_strdup_printf("<span foreground=\"red\">%s</span>",
-								message);
-		gtk_label_set_markup(GTK_LABEL(label_status), text);
-		g_free(text);
-
-		g_free(message);
+	if (!dbus_g_proxy_end_call(proxy, call, &error,
+				   DBUS_TYPE_G_OBJECT_PATH, &path, G_TYPE_INVALID)) {
+		const gchar *error_name = NULL;
+		gint response_id;
+
+		if (error && error->code == DBUS_GERROR_REMOTE_EXCEPTION)
+			error_name = dbus_g_error_get_name(error);
+		if (error_name && !strcmp(error_name, "org.openobex.Error.ConnectionAttemptFailed")) {
+			response_id = show_connection_error_dialog(GTK_WINDOW(main_dialog), bdaddrstr, error->message);
+			if (response_id == DIALOG_RESPONSE_RETRY) {
+				/* Try to create Session again */
+				dbus_g_proxy_begin_call(manager_proxy,
+							"CreateBluetoothSession",
+							(DBusGProxyCallNotify) session_created_cb, NULL, NULL,
+							G_TYPE_STRING, bdaddrstr, G_TYPE_STRING, "opp",
+							G_TYPE_BOOLEAN, FALSE, G_TYPE_INVALID);
+				goto out;
+			}
+		} else {
+			show_error_dialog(GTK_WINDOW(main_dialog), BUTTONS_OK,
+					  error->message, "");
+		}
 
-		gtk_dialog_set_response_sensitive(GTK_DIALOG(dialog),
-						GTK_RESPONSE_CLOSE, TRUE);
-		return;
+		/* Failed, quit main loop */
+		gtk_main_quit();
+		goto out;
 	}
 
-	proxy = dbus_g_proxy_new_for_name(conn, "org.openobex",
-						path, "org.openobex.Session");
+	session_proxy = dbus_g_proxy_new_for_name(connection,
+						       "org.openobex",
+						       path,
+						       "org.openobex.Session");
 
-	dbus_g_proxy_add_signal(proxy, "Connected", G_TYPE_INVALID);
+	dbus_g_proxy_add_signal(session_proxy, "Connected",
+				G_TYPE_INVALID);
+
+	dbus_g_proxy_connect_signal(session_proxy, "Connected",
+				    G_CALLBACK(session_connected_cb), NULL, NULL);
+
+	dbus_g_proxy_add_signal(session_proxy, "TransferStarted",
+				G_TYPE_STRING, G_TYPE_STRING, G_TYPE_UINT64, G_TYPE_INVALID);
+
+	dbus_g_proxy_connect_signal(session_proxy, "TransferStarted",
+				    G_CALLBACK(transfer_started_cb), NULL, NULL);
 
-	dbus_g_proxy_connect_signal(proxy, "Connected",
-				G_CALLBACK(session_connected), user_data, NULL);
+	dbus_g_proxy_add_signal(session_proxy, "Cancelled",
+				G_TYPE_INVALID);
+
+	dbus_g_proxy_connect_signal(session_proxy, "Cancelled",
+				    G_CALLBACK(transfer_cancelled_cb), NULL, NULL);
 
-	dbus_g_proxy_add_signal(proxy, "TransferStarted", G_TYPE_STRING,
-				G_TYPE_STRING, G_TYPE_UINT64, G_TYPE_INVALID);
+	dbus_g_proxy_add_signal(session_proxy, "ErrorOccurred",
+				G_TYPE_STRING, G_TYPE_STRING, G_TYPE_INVALID);
 
-	dbus_g_proxy_connect_signal(proxy, "TransferStarted",
-				G_CALLBACK(transfer_started), NULL, NULL);
+	dbus_g_proxy_connect_signal(session_proxy, "ErrorOccurred",
+				    G_CALLBACK(error_occurred_cb), NULL, NULL);
 
-	dbus_g_proxy_add_signal(proxy, "TransferProgress",
-						G_TYPE_UINT64, G_TYPE_INVALID);
+	dbus_g_proxy_add_signal(session_proxy, "TransferProgress",
+				G_TYPE_UINT64, G_TYPE_INVALID);
 
-	dbus_g_proxy_connect_signal(proxy, "TransferProgress",
-				G_CALLBACK(transfer_progress), NULL, NULL);
+	dbus_g_proxy_connect_signal(session_proxy, "TransferProgress",
+				    G_CALLBACK(transfer_progress_cb), NULL, NULL);
+
+	dbus_g_proxy_add_signal(session_proxy, "TransferCompleted", 
+				G_TYPE_INVALID);
 
-	dbus_g_proxy_add_signal(proxy, "TransferCompleted", G_TYPE_INVALID);
+	dbus_g_proxy_connect_signal(session_proxy, "TransferCompleted",
+				    G_CALLBACK(transfer_completed_cb), NULL, NULL);
 
-	dbus_g_proxy_connect_signal(proxy, "TransferCompleted",
-				G_CALLBACK(transfer_completed), NULL, NULL);
+	dbus_g_proxy_call(session_proxy, "Connect", &error, G_TYPE_INVALID,
+			  G_TYPE_INVALID);
 
-	dbus_g_proxy_call(proxy, "Connect", NULL, G_TYPE_INVALID,
-							G_TYPE_INVALID);
+out:
+	if (error)
+		g_error_free(error);
+}
+
+static void error_occurred_cb(DBusGProxy *proxy, const gchar *error_name, const gchar *error_message, gpointer user_data)
+{
+	gint ret;
+	gboolean link_error = FALSE;
+	gchar *error_text;
+	const gchar *reason;
+
+	g_message("ErrorOccurred");
+	g_message("Error name: %s", error_name);
+	g_message("Error message: %s", error_message);
+
+	error_text = g_strdup_printf(_("An error occured while sending file '%s'"),
+				     (gchar *)g_slist_nth_data(file_list, current_file));
+	if (!strcmp(error_name, "org.openobex.Error.LinkError")) {
+		/* Connection to remote device was lost */
+		g_object_unref(G_OBJECT(session_proxy));
+		reason = _("Connection to remote device was lost");
+		link_error = TRUE;
+	} else if (!strcmp(error_name, "org.openobex.Error.Forbidden")) {
+		reason = _("Remote device rejected file");
+	} else {
+		reason = _("Unknown error");
+	}
+	ret = handle_file_sending_error(error_text, reason);
+
+	if (ret != GTK_RESPONSE_CANCEL) {
+		if (link_error) {
+			/* Need to reestablish connection */
+			dbus_g_proxy_begin_call(manager_proxy, "CreateBluetoothSession",
+						(DBusGProxyCallNotify) session_created_cb, NULL, NULL,
+						G_TYPE_STRING, bdaddrstr, G_TYPE_STRING, "opp",
+						G_TYPE_INVALID);
+		} else {
+			g_idle_add((GSourceFunc) send_one, NULL);
+		}
+	}
+
+
+	g_free(error_text);
+}
+
+static void free_mem(void)
+{
+	if (files_to_send)
+		g_strfreev(files_to_send);
+	g_free(bdaddrstr);
+
+	if (main_dialog)
+		gtk_widget_destroy (main_dialog);
+	if (G_IS_OBJECT(manager_proxy))
+		g_object_unref(G_OBJECT(manager_proxy));
+	if (G_IS_OBJECT(session_proxy))
+		g_object_unref (G_OBJECT(session_proxy));
+	g_slist_free(file_list);
 }
 
 static void name_owner_changed(DBusGProxy *proxy, const char *name,
@@ -227,102 +651,128 @@ static void name_owner_changed(DBusGProx
 		gtk_main_quit();
 }
 
-static gchar *option_device = NULL;
-
-static GOptionEntry options[] = {
-	{ "device", 0, 0, G_OPTION_ARG_STRING, &option_device,
-				N_("Remote device to use"), "ADDRESS" },
-	{ NULL },
-};
-
 int main(int argc, char *argv[])
 {
-	DBusGProxy *proxy;
+	GOptionContext *option_context;
 	GError *error = NULL;
-	GSList *filenames;
-	gchar *filename, *address;
+	guint i;
 
+	/* initialize gettext */
 	bindtextdomain(GETTEXT_PACKAGE, LOCALEDIR);
 	bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8");
 	textdomain(GETTEXT_PACKAGE);
 
-	error = NULL;
+	/* parse command line arguments */
+	option_context = g_option_context_new("<file list>");
+	g_option_context_add_main_entries(option_context, options, GETTEXT_PACKAGE);
+	g_option_context_add_group(option_context, gtk_get_option_group(TRUE));
+	g_option_context_parse(option_context, &argc, &argv, &error);
+	g_option_context_free(option_context);
+	if (error) {
+		printf("Usage:\n");
+		printf("  %s [--dest=BDADDR] <file list>\n", g_get_prgname());
+		g_error_free(error);
+		free_mem();
+		return 0;
+	}
 
-	if (gtk_init_with_args(&argc, &argv, "[FILE...]",
-				options, GETTEXT_PACKAGE, &error) == FALSE) {
-		if (error != NULL) {
-			g_printerr("%s\n", error->message);
-			g_error_free(error);
-		} else
-			g_printerr("An unknown error occurred\n");
-
-		gtk_exit(1);
-	}
-
-	gtk_window_set_default_icon_name("bluetooth");
-
-	if (argc < 2) {
-		filenames = show_select_dialog();
-		if (filenames == NULL)
-			gtk_exit(1);
-	} else
-		filenames = g_slist_append(NULL, g_strdup(argv[1]));
-
-	if (option_device == NULL) {
-		address = show_browse_dialog();
-		if (address == NULL) {
-			g_slist_free(filenames);
-			gtk_exit(1);
-		}
-	} else
-		address = g_strdup(option_device);
+	gtk_init(&argc, &argv);
+
+	/* init DBus connection */
+	connection = dbus_g_bus_get(DBUS_BUS_SESSION, &error);
+	if (!connection) {
+		show_error_dialog(NULL, GTK_BUTTONS_OK,
+				  _("Please verify that D-Bus is correctly installed and setup."), error->message);
+		g_error_free(error);
+		return 1;
+	}
 
-	conn = dbus_g_bus_get(DBUS_BUS_SESSION, &error);
-	if (conn == NULL) {
-		if (error != NULL) {
-			g_printerr("Connecting to session bus failed: %s\n",
-							error->message);
-			g_error_free(error);
-		} else
-			g_print("An unknown error occured\n");
+	main_dialog = NULL;
+	from_label = NULL;
+	operation_label = NULL;
+	progress_bar = NULL;
+
+	/* get a list of files to send from command-line */
+	if (files_to_send)
+		file_count = g_strv_length(files_to_send);
+	else
+		file_count = 0;
+	for (i = 0; i < file_count; i++) {
+		file_list = g_slist_append(file_list,
+						g_strdup(*(files_to_send + i)));
+	}
+	/* show file chooser if no files were specified */
+	if (!file_count) {
+		file_list = show_select_dialog();
+		file_count = g_slist_length(file_list);
+	}
+	/* Check if there are some files to send */
+	if (!file_count) {
+		free_mem();
+		return 0;
+	}
+	/* Check for non regular and non existand files and
+	 * determine total bytes to send */
+	for (i = 0; i < file_count; i++) {
+		GSList *item;
+		gchar *path, *filename;
+		gint64 size;
+
+		item = g_slist_nth(file_list, i);
+		path = (gchar *) item->data;
+		filename = normalise_filename(path, &size);
+		if (filename == NULL) {
+			g_free(path);
+			file_list = g_slist_remove_link(file_list, item);
+			continue;
+		}
+		g_free(item->data);
+		item->data = filename;
+		byte_count += size;
+	}
 
-		gtk_exit(1);
+	/* determine Bluetooth device to send to */
+	if (!bdaddrstr) {
+		bdaddrstr = show_browse_dialog();
+		if (!bdaddrstr) {
+			free_mem();
+			return 0;
+		}
 	}
 
 	dbus_g_object_register_marshaller(marshal_VOID__STRING_STRING_UINT64,
-				G_TYPE_NONE, G_TYPE_STRING,
-				G_TYPE_STRING, G_TYPE_UINT64, G_TYPE_INVALID);
-
+					  G_TYPE_NONE, G_TYPE_STRING,
+					  G_TYPE_STRING, G_TYPE_UINT64, G_TYPE_INVALID);
+	dbus_g_object_register_marshaller(marshal_VOID__STRING_STRING,
+					  G_TYPE_NONE, G_TYPE_STRING,
+					  G_TYPE_STRING, G_TYPE_INVALID);
 	dbus_g_object_register_marshaller(marshal_VOID__UINT64,
 				G_TYPE_NONE, G_TYPE_UINT64, G_TYPE_INVALID);
 
-	filename = g_slist_nth_data(filenames, 0);
-
-	create_window(filename);
+	/* init UI */
+	ui_init();
 
-	proxy = dbus_g_proxy_new_for_name(conn, "org.openobex",
-				"/org/openobex", "org.openobex.Manager");
-
-	dbus_g_proxy_add_signal(proxy, "NameOwnerChanged",
-		G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_INVALID);
-
-	dbus_g_proxy_connect_signal(proxy, "NameOwnerChanged",
-				G_CALLBACK(name_owner_changed), NULL, NULL);
-
-	dbus_g_proxy_begin_call(proxy, "CreateBluetoothSession",
-				create_notify, filename, NULL,
-				G_TYPE_STRING, address, G_TYPE_STRING, "opp",
+	/* init DBus proxy, create Session */
+	manager_proxy = dbus_g_proxy_new_for_name(connection,
+						       "org.openobex",
+						       "/org/openobex",
+						       "org.openobex.Manager");
+	dbus_g_proxy_add_signal(manager_proxy, "NameOwnerChanged",
+				G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_INVALID);
+	dbus_g_proxy_connect_signal(manager_proxy, "NameOwnerChanged",
+				    G_CALLBACK(name_owner_changed), NULL, NULL);
+
+	dbus_g_proxy_begin_call(manager_proxy, "CreateBluetoothSession",
+				(DBusGProxyCallNotify) session_created_cb, NULL, NULL,
+				G_TYPE_STRING, bdaddrstr, G_TYPE_STRING, "opp",
 				G_TYPE_INVALID);
 
+	/* Go into main loop */
 	gtk_main();
 
-	g_object_unref(proxy);
-
-	dbus_g_connection_unref(conn);
-
-	g_free(address);
-
-	g_slist_free(filenames);
+	/* done sending, free memory */
+	free_mem();
 
 	return 0;
 }
+

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