1 files changed, 731 insertions, 0 deletions

diff --git a/e-util/e-mail-signature-script-dialog.c b/e-util/e-mail-signature-script-dialog.c
new file mode 100644
index 0000000000..58e8c43157
--- /dev/null
+++ b/e-util/e-mail-signature-script-dialog.c
@@ -0,0 +1,731 @@
+/*
+ * e-mail-signature-script-dialog.c
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) version 3.
+ *
+ * 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the program; if not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+#include "e-mail-signature-script-dialog.h"
+
+#include <config.h>
+#include <glib/gi18n-lib.h>
+
+#define E_MAIL_SIGNATURE_SCRIPT_DIALOG_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_MAIL_SIGNATURE_SCRIPT_DIALOG, \
+	EMailSignatureScriptDialogPrivate))
+
+typedef struct _AsyncContext AsyncContext;
+
+struct _EMailSignatureScriptDialogPrivate {
+	ESourceRegistry *registry;
+	ESource *source;
+
+	GtkWidget *entry;		/* not referenced */
+	GtkWidget *file_chooser;	/* not referenced */
+	GtkWidget *alert;		/* not referenced */
+
+	gchar *symlink_target;
+};
+
+struct _AsyncContext {
+	ESource *source;
+	GCancellable *cancellable;
+	gchar *symlink_target;
+};
+
+enum {
+	PROP_0,
+	PROP_REGISTRY,
+	PROP_SOURCE,
+	PROP_SYMLINK_TARGET
+};
+
+G_DEFINE_TYPE (
+	EMailSignatureScriptDialog,
+	e_mail_signature_script_dialog,
+	GTK_TYPE_DIALOG)
+
+static void
+async_context_free (AsyncContext *async_context)
+{
+	if (async_context->source != NULL)
+		g_object_unref (async_context->source);
+
+	if (async_context->cancellable != NULL)
+		g_object_unref (async_context->cancellable);
+
+	g_free (async_context->symlink_target);
+
+	g_slice_free (AsyncContext, async_context);
+}
+
+static gboolean
+mail_signature_script_dialog_filter_cb (const GtkFileFilterInfo *filter_info)
+{
+	return g_file_test (filter_info->filename, G_FILE_TEST_IS_EXECUTABLE);
+}
+
+static void
+mail_signature_script_dialog_update_status (EMailSignatureScriptDialog *dialog)
+{
+	ESource *source;
+	const gchar *display_name;
+	const gchar *symlink_target;
+	gboolean show_alert;
+	gboolean sensitive;
+
+	source = e_mail_signature_script_dialog_get_source (dialog);
+
+	display_name = e_source_get_display_name (source);
+	sensitive = (display_name != NULL && *display_name != '\0');
+
+	symlink_target =
+		e_mail_signature_script_dialog_get_symlink_target (dialog);
+
+	if (symlink_target != NULL) {
+		gboolean executable;
+
+		executable = g_file_test (
+			symlink_target, G_FILE_TEST_IS_EXECUTABLE);
+
+		show_alert = !executable;
+		sensitive &= executable;
+	} else {
+		sensitive = FALSE;
+		show_alert = FALSE;
+	}
+
+	if (show_alert)
+		gtk_widget_show (dialog->priv->alert);
+	else
+		gtk_widget_hide (dialog->priv->alert);
+
+	gtk_dialog_set_response_sensitive (
+		GTK_DIALOG (dialog), GTK_RESPONSE_OK, sensitive);
+}
+
+static void
+mail_signature_script_dialog_file_set_cb (GtkFileChooserButton *button,
+                                          EMailSignatureScriptDialog *dialog)
+{
+	ESource *source;
+	ESourceMailSignature *extension;
+	GtkFileChooser *file_chooser;
+	const gchar *extension_name;
+	gchar *filename;
+
+	file_chooser = GTK_FILE_CHOOSER (button);
+	filename = gtk_file_chooser_get_filename (file_chooser);
+
+	g_free (dialog->priv->symlink_target);
+	dialog->priv->symlink_target = filename;  /* takes ownership */
+
+	/* Invalidate the saved MIME type. */
+	extension_name = E_SOURCE_EXTENSION_MAIL_SIGNATURE;
+	source = e_mail_signature_script_dialog_get_source (dialog);
+	extension = e_source_get_extension (source, extension_name);
+	e_source_mail_signature_set_mime_type (extension, NULL);
+
+	g_object_notify (G_OBJECT (dialog), "symlink-target");
+
+	mail_signature_script_dialog_update_status (dialog);
+}
+
+static void
+mail_signature_script_dialog_query_cb (GFile *file,
+                                       GAsyncResult *result,
+                                       EMailSignatureScriptDialog *dialog)
+{
+	GFileInfo *file_info;
+	const gchar *symlink_target;
+	GError *error = NULL;
+
+	file_info = g_file_query_info_finish (file, result, &error);
+
+	/* Ignore cancellations. */
+	if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
+		g_warn_if_fail (file_info == NULL);
+		g_object_unref (dialog);
+		g_error_free (error);
+		return;
+
+	} else if (error != NULL) {
+		g_warn_if_fail (file_info == NULL);
+		g_warning ("%s", error->message);
+		g_object_unref (dialog);
+		g_error_free (error);
+		return;
+	}
+
+	g_return_if_fail (G_IS_FILE_INFO (file_info));
+
+	symlink_target = g_file_info_get_symlink_target (file_info);
+
+	e_mail_signature_script_dialog_set_symlink_target (
+		dialog, symlink_target);
+
+	g_object_unref (file_info);
+	g_object_unref (dialog);
+}
+
+static void
+mail_signature_script_dialog_set_registry (EMailSignatureScriptDialog *dialog,
+                                           ESourceRegistry *registry)
+{
+	g_return_if_fail (E_IS_SOURCE_REGISTRY (registry));
+	g_return_if_fail (dialog->priv->registry == NULL);
+
+	dialog->priv->registry = g_object_ref (registry);
+}
+
+static void
+mail_signature_script_dialog_set_source (EMailSignatureScriptDialog *dialog,
+                                         ESource *source)
+{
+	GDBusObject *dbus_object = NULL;
+	const gchar *extension_name;
+	GError *error = NULL;
+
+	g_return_if_fail (source == NULL || E_IS_SOURCE (source));
+	g_return_if_fail (dialog->priv->source == NULL);
+
+	if (source != NULL)
+		dbus_object = e_source_ref_dbus_object (source);
+
+	/* Clone the source so we can make changes to it freely. */
+	dialog->priv->source = e_source_new (dbus_object, NULL, &error);
+
+	/* This should rarely fail.  If the file was loaded successfully
+	 * once then it should load successfully here as well, unless an
+	 * I/O error occurs. */
+	if (error != NULL) {
+		g_warning ("%s: %s", G_STRFUNC, error->message);
+		g_error_free (error);
+	}
+
+	/* Make sure the source has a mail signature extension. */
+	extension_name = E_SOURCE_EXTENSION_MAIL_SIGNATURE;
+	e_source_get_extension (dialog->priv->source, extension_name);
+
+	/* If we're editing an existing signature, query the symbolic
+	 * link target of the signature file so we can initialize the
+	 * file chooser button.  Note: The asynchronous callback will
+	 * run after the dialog initialization is complete. */
+	if (dbus_object != NULL) {
+		ESourceMailSignature *extension;
+		const gchar *extension_name;
+		GFile *file;
+
+		extension_name = E_SOURCE_EXTENSION_MAIL_SIGNATURE;
+		extension = e_source_get_extension (source, extension_name);
+		file = e_source_mail_signature_get_file (extension);
+
+		g_file_query_info_async (
+			file, G_FILE_ATTRIBUTE_STANDARD_SYMLINK_TARGET,
+			G_FILE_QUERY_INFO_NONE, G_PRIORITY_DEFAULT,
+			NULL, (GAsyncReadyCallback)
+			mail_signature_script_dialog_query_cb,
+			g_object_ref (dialog));
+
+		g_object_unref (dbus_object);
+	}
+}
+
+static void
+mail_signature_script_dialog_set_property (GObject *object,
+                                           guint property_id,
+                                           const GValue *value,
+                                           GParamSpec *pspec)
+{
+	switch (property_id) {
+		case PROP_REGISTRY:
+			mail_signature_script_dialog_set_registry (
+				E_MAIL_SIGNATURE_SCRIPT_DIALOG (object),
+				g_value_get_object (value));
+			return;
+
+		case PROP_SOURCE:
+			mail_signature_script_dialog_set_source (
+				E_MAIL_SIGNATURE_SCRIPT_DIALOG (object),
+				g_value_get_object (value));
+			return;
+
+		case PROP_SYMLINK_TARGET:
+			e_mail_signature_script_dialog_set_symlink_target (
+				E_MAIL_SIGNATURE_SCRIPT_DIALOG (object),
+				g_value_get_string (value));
+			return;
+	}
+
+	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+mail_signature_script_dialog_get_property (GObject *object,
+                                           guint property_id,
+                                           GValue *value,
+                                           GParamSpec *pspec)
+{
+	switch (property_id) {
+		case PROP_REGISTRY:
+			g_value_set_object (
+				value,
+				e_mail_signature_script_dialog_get_registry (
+				E_MAIL_SIGNATURE_SCRIPT_DIALOG (object)));
+			return;
+
+		case PROP_SOURCE:
+			g_value_set_object (
+				value,
+				e_mail_signature_script_dialog_get_source (
+				E_MAIL_SIGNATURE_SCRIPT_DIALOG (object)));
+			return;
+
+		case PROP_SYMLINK_TARGET:
+			g_value_set_string (
+				value,
+				e_mail_signature_script_dialog_get_symlink_target (
+				E_MAIL_SIGNATURE_SCRIPT_DIALOG (object)));
+			return;
+	}
+
+	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+mail_signature_script_dialog_dispose (GObject *object)
+{
+	EMailSignatureScriptDialogPrivate *priv;
+
+	priv = E_MAIL_SIGNATURE_SCRIPT_DIALOG_GET_PRIVATE (object);
+
+	if (priv->registry != NULL) {
+		g_object_unref (priv->registry);
+		priv->registry = NULL;
+	}
+
+	if (priv->source != NULL) {
+		g_object_unref (priv->source);
+		priv->source = NULL;
+	}
+
+	/* Chain up to parent's dispose() method. */
+	G_OBJECT_CLASS (e_mail_signature_script_dialog_parent_class)->
+		dispose (object);
+}
+
+static void
+mail_signature_script_dialog_finalize (GObject *object)
+{
+	EMailSignatureScriptDialogPrivate *priv;
+
+	priv = E_MAIL_SIGNATURE_SCRIPT_DIALOG_GET_PRIVATE (object);
+
+	g_free (priv->symlink_target);
+
+	/* Chain up to parent's finalize() method. */
+	G_OBJECT_CLASS (e_mail_signature_script_dialog_parent_class)->
+		finalize (object);
+}
+
+static void
+mail_signature_script_dialog_constructed (GObject *object)
+{
+	EMailSignatureScriptDialog *dialog;
+	GtkFileFilter *filter;
+	GtkWidget *container;
+	GtkWidget *widget;
+	ESource *source;
+	const gchar *display_name;
+	gchar *markup;
+
+	/* Chain up to parent's constructed() method. */
+	G_OBJECT_CLASS (e_mail_signature_script_dialog_parent_class)->
+		constructed (object);
+
+	dialog = E_MAIL_SIGNATURE_SCRIPT_DIALOG (object);
+
+	source = e_mail_signature_script_dialog_get_source (dialog);
+	display_name = e_source_get_display_name (source);
+
+	gtk_container_set_border_width (GTK_CONTAINER (dialog), 5);
+
+	gtk_dialog_add_button (
+		GTK_DIALOG (dialog),
+		GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
+
+	gtk_dialog_add_button (
+		GTK_DIALOG (dialog),
+		GTK_STOCK_SAVE, GTK_RESPONSE_OK);
+
+	gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
+
+	container = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
+
+	widget = gtk_table_new (4, 2, FALSE);
+	gtk_table_set_col_spacings (GTK_TABLE (widget), 6);
+	gtk_table_set_row_spacings (GTK_TABLE (widget), 6);
+	gtk_table_set_row_spacing (GTK_TABLE (widget), 0, 12);
+	gtk_container_set_border_width (GTK_CONTAINER (widget), 5);
+	gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
+	gtk_widget_show (widget);
+
+	container = widget;
+
+	widget = gtk_image_new_from_stock (
+		GTK_STOCK_DIALOG_INFO, GTK_ICON_SIZE_DIALOG);
+	gtk_table_attach (
+		GTK_TABLE (container), widget,
+		0, 1, 0, 1, 0, 0, 0, 0);
+	gtk_widget_show (widget);
+
+	widget = gtk_label_new (_(
+		"The output of this script will be used as your\n"
+		"signature. The name you specify will be used\n"
+		"for display purposes only."));
+	gtk_table_attach (
+		GTK_TABLE (container), widget,
+		1, 2, 0, 1, GTK_FILL | GTK_EXPAND, 0, 0, 0);
+	gtk_widget_show (widget);
+
+	widget = gtk_entry_new ();
+	gtk_entry_set_text (GTK_ENTRY (widget), display_name);
+	gtk_entry_set_activates_default (GTK_ENTRY (widget), TRUE);
+	gtk_table_attach (
+		GTK_TABLE (container), widget,
+		1, 2, 1, 2, GTK_FILL | GTK_EXPAND, 0, 0, 0);
+	dialog->priv->entry = widget;  /* not referenced */
+	gtk_widget_show (widget);
+
+	g_object_bind_property (
+		widget, "text",
+		source, "display-name",
+		G_BINDING_DEFAULT);
+
+	widget = gtk_label_new_with_mnemonic (_("_Name:"));
+	gtk_label_set_mnemonic_widget (
+		GTK_LABEL (widget), dialog->priv->entry);
+	gtk_misc_set_alignment (GTK_MISC (widget), 1.0, 0.5);
+	gtk_table_attach (
+		GTK_TABLE (container), widget,
+		0, 1, 1, 2, GTK_FILL, 0, 0, 0);
+	gtk_widget_show (widget);
+
+	widget = gtk_file_chooser_button_new (
+		NULL, GTK_FILE_CHOOSER_ACTION_OPEN);
+	gtk_table_attach (
+		GTK_TABLE (container), widget,
+		1, 2, 2, 3, GTK_FILL | GTK_EXPAND, 0, 0, 0);
+	dialog->priv->file_chooser = widget;  /* not referenced */
+	gtk_widget_show (widget);
+
+	/* Restrict file selection to executable files. */
+	filter = gtk_file_filter_new ();
+	gtk_file_filter_add_custom (
+		filter, GTK_FILE_FILTER_FILENAME,
+		(GtkFileFilterFunc) mail_signature_script_dialog_filter_cb,
+		NULL, NULL);
+	gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (widget), filter);
+
+	/* We create symbolic links to script files from the "signatures"
+	 * directory, so restrict the selection to local files only. */
+	gtk_file_chooser_set_local_only (GTK_FILE_CHOOSER (widget), TRUE);
+
+	widget = gtk_label_new_with_mnemonic (_("S_cript:"));
+	gtk_label_set_mnemonic_widget (
+		GTK_LABEL (widget), dialog->priv->file_chooser);
+	gtk_table_attach (
+		GTK_TABLE (container), widget,
+		0, 1, 2, 3, GTK_FILL, 0, 0, 0);
+	gtk_widget_show (widget);
+
+	/* This is just a placeholder. */
+	widget = gtk_label_new (NULL);
+	gtk_table_attach (
+		GTK_TABLE (container), widget,
+		0, 1, 3, 4, GTK_FILL, 0, 0, 0);
+	gtk_widget_show (widget);
+
+	widget = gtk_hbox_new (FALSE, 6);
+	gtk_table_attach (
+		GTK_TABLE (container), widget,
+		1, 2, 3, 4, 0, 0, 0, 0);
+	dialog->priv->alert = widget;  /* not referenced */
+	gtk_widget_show (widget);
+
+	container = widget;
+
+	widget = gtk_image_new_from_stock (
+		GTK_STOCK_DIALOG_WARNING, GTK_ICON_SIZE_MENU);
+	gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
+	gtk_widget_show (widget);
+
+	markup = g_markup_printf_escaped (
+		"<small>%s</small>",
+		_("Script file must be executable."));
+	widget = gtk_label_new (markup);
+	gtk_label_set_use_markup (GTK_LABEL (widget), TRUE);
+	gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.5);
+	gtk_box_pack_start (GTK_BOX (container), widget, TRUE, TRUE, 0);
+	gtk_widget_show (widget);
+	g_free (markup);
+
+	g_signal_connect (
+		dialog->priv->file_chooser, "file-set",
+		G_CALLBACK (mail_signature_script_dialog_file_set_cb), dialog);
+
+	g_signal_connect_swapped (
+		dialog->priv->entry, "changed",
+		G_CALLBACK (mail_signature_script_dialog_update_status), dialog);
+
+	mail_signature_script_dialog_update_status (dialog);
+}
+
+static void
+e_mail_signature_script_dialog_class_init (EMailSignatureScriptDialogClass *class)
+{
+	GObjectClass *object_class;
+
+	g_type_class_add_private (
+		class, sizeof (EMailSignatureScriptDialogPrivate));
+
+	object_class = G_OBJECT_CLASS (class);
+	object_class->set_property = mail_signature_script_dialog_set_property;
+	object_class->get_property = mail_signature_script_dialog_get_property;
+	object_class->dispose = mail_signature_script_dialog_dispose;
+	object_class->finalize = mail_signature_script_dialog_finalize;
+	object_class->constructed = mail_signature_script_dialog_constructed;
+
+	g_object_class_install_property (
+		object_class,
+		PROP_REGISTRY,
+		g_param_spec_object (
+			"registry",
+			"Registry",
+			"Data source registry",
+			E_TYPE_SOURCE_REGISTRY,
+			G_PARAM_READWRITE |
+			G_PARAM_CONSTRUCT_ONLY |
+			G_PARAM_STATIC_STRINGS));
+
+	g_object_class_install_property (
+		object_class,
+		PROP_SOURCE,
+		g_param_spec_object (
+			"source",
+			"Source",
+			NULL,
+			E_TYPE_SOURCE,
+			G_PARAM_READWRITE |
+			G_PARAM_CONSTRUCT_ONLY |
+			G_PARAM_STATIC_STRINGS));
+
+	g_object_class_install_property (
+		object_class,
+		PROP_SYMLINK_TARGET,
+		g_param_spec_string (
+			"symlink-target",
+			"Symlink Target",
+			NULL,
+			NULL,
+			G_PARAM_READWRITE |
+			G_PARAM_STATIC_STRINGS));
+}
+
+static void
+e_mail_signature_script_dialog_init (EMailSignatureScriptDialog *dialog)
+{
+	dialog->priv = E_MAIL_SIGNATURE_SCRIPT_DIALOG_GET_PRIVATE (dialog);
+}
+
+GtkWidget *
+e_mail_signature_script_dialog_new (ESourceRegistry *registry,
+                                    GtkWindow *parent,
+                                    ESource *source)
+{
+	g_return_val_if_fail (E_IS_SOURCE_REGISTRY (registry), NULL);
+
+	if (source != NULL)
+		g_return_val_if_fail (E_IS_SOURCE (source), NULL);
+
+	return g_object_new (
+		E_TYPE_MAIL_SIGNATURE_SCRIPT_DIALOG,
+		"registry", registry,
+		"transient-for", parent,
+		"source", source, NULL);
+}
+
+ESourceRegistry *
+e_mail_signature_script_dialog_get_registry (EMailSignatureScriptDialog *dialog)
+{
+	g_return_val_if_fail (
+		E_IS_MAIL_SIGNATURE_SCRIPT_DIALOG (dialog), NULL);
+
+	return dialog->priv->registry;
+}
+
+ESource *
+e_mail_signature_script_dialog_get_source (EMailSignatureScriptDialog *dialog)
+{
+	g_return_val_if_fail (
+		E_IS_MAIL_SIGNATURE_SCRIPT_DIALOG (dialog), NULL);
+
+	return dialog->priv->source;
+}
+
+const gchar *
+e_mail_signature_script_dialog_get_symlink_target (EMailSignatureScriptDialog *dialog)
+{
+	g_return_val_if_fail (
+		E_IS_MAIL_SIGNATURE_SCRIPT_DIALOG (dialog), NULL);
+
+	return dialog->priv->symlink_target;
+}
+
+void
+e_mail_signature_script_dialog_set_symlink_target (EMailSignatureScriptDialog *dialog,
+                                                   const gchar *symlink_target)
+{
+	GtkFileChooser *file_chooser;
+
+	g_return_if_fail (E_IS_MAIL_SIGNATURE_SCRIPT_DIALOG (dialog));
+	g_return_if_fail (symlink_target != NULL);
+
+	g_free (dialog->priv->symlink_target);
+	dialog->priv->symlink_target = g_strdup (symlink_target);
+
+	file_chooser = GTK_FILE_CHOOSER (dialog->priv->file_chooser);
+	gtk_file_chooser_set_filename (file_chooser, symlink_target);
+
+	g_object_notify (G_OBJECT (dialog), "symlink-target");
+
+	mail_signature_script_dialog_update_status (dialog);
+}
+
+/****************** e_mail_signature_script_dialog_commit() ******************/
+
+static void
+mail_signature_script_dialog_symlink_cb (GObject *object,
+                                         GAsyncResult *result,
+                                         gpointer user_data)
+{
+	GSimpleAsyncResult *simple;
+	GError *error = NULL;
+
+	simple = G_SIMPLE_ASYNC_RESULT (user_data);
+
+	e_source_mail_signature_symlink_finish (
+		E_SOURCE (object), result, &error);
+
+	if (error != NULL)
+		g_simple_async_result_take_error (simple, error);
+
+	g_simple_async_result_complete (simple);
+
+	g_object_unref (simple);
+}
+
+static void
+mail_signature_script_dialog_commit_cb (GObject *object,
+                                        GAsyncResult *result,
+                                        gpointer user_data)
+{
+	GSimpleAsyncResult *simple;
+	AsyncContext *async_context;
+	GError *error = NULL;
+
+	simple = G_SIMPLE_ASYNC_RESULT (user_data);
+	async_context = g_simple_async_result_get_op_res_gpointer (simple);
+
+	e_source_registry_commit_source_finish (
+		E_SOURCE_REGISTRY (object), result, &error);
+
+	if (error != NULL) {
+		g_simple_async_result_take_error (simple, error);
+		g_simple_async_result_complete (simple);
+		g_object_unref (simple);
+		return;
+	}
+
+	/* We can call this on our scratch source because only its UID is
+	 * really needed, which even a new scratch source already knows. */
+	e_source_mail_signature_symlink (
+		async_context->source,
+		async_context->symlink_target,
+		G_PRIORITY_DEFAULT,
+		async_context->cancellable,
+		mail_signature_script_dialog_symlink_cb,
+		simple);
+}
+
+void
+e_mail_signature_script_dialog_commit (EMailSignatureScriptDialog *dialog,
+                                       GCancellable *cancellable,
+                                       GAsyncReadyCallback callback,
+                                       gpointer user_data)
+{
+	GSimpleAsyncResult *simple;
+	AsyncContext *async_context;
+	ESourceRegistry *registry;
+	ESource *source;
+	const gchar *symlink_target;
+
+	g_return_if_fail (E_IS_MAIL_SIGNATURE_SCRIPT_DIALOG (dialog));
+
+	registry = e_mail_signature_script_dialog_get_registry (dialog);
+	source = e_mail_signature_script_dialog_get_source (dialog);
+
+	symlink_target =
+		e_mail_signature_script_dialog_get_symlink_target (dialog);
+
+	async_context = g_slice_new0 (AsyncContext);
+	async_context->source = g_object_ref (source);
+	async_context->symlink_target = g_strdup (symlink_target);
+
+	if (G_IS_CANCELLABLE (cancellable))
+		async_context->cancellable = g_object_ref (cancellable);
+
+	simple = g_simple_async_result_new (
+		G_OBJECT (dialog), callback, user_data,
+		e_mail_signature_script_dialog_commit);
+
+	g_simple_async_result_set_op_res_gpointer (
+		simple, async_context, (GDestroyNotify) async_context_free);
+
+	e_source_registry_commit_source (
+		registry, source,
+		async_context->cancellable,
+		mail_signature_script_dialog_commit_cb,
+		simple);
+}
+
+gboolean
+e_mail_signature_script_dialog_commit_finish (EMailSignatureScriptDialog *dialog,
+                                              GAsyncResult *result,
+                                              GError **error)
+{
+	GSimpleAsyncResult *simple;
+
+	g_return_val_if_fail (
+		g_simple_async_result_is_valid (
+		result, G_OBJECT (dialog),
+		e_mail_signature_script_dialog_commit), FALSE);
+
+	simple = G_SIMPLE_ASYNC_RESULT (result);
+
+	/* Assume success unless a GError is set. */
+	return !g_simple_async_result_propagate_error (simple, error);
+}
+