Add 'mail-config' module.

This breaks a good chunk of logic out of EMAccountEditor and hopefully
makes it less brittle.  Because honestly, every time I fix one thing in
EMAccountEditor it breaks three other things.  It's unmaintainable.

1 files changed, 393 insertions, 0 deletions

diff --git a/modules/mail-config/e-mail-config-smtp-backend.c b/modules/mail-config/e-mail-config-smtp-backend.c
new file mode 100644
index 0000000000..15b3814afe
--- /dev/null
+++ b/modules/mail-config/e-mail-config-smtp-backend.c
@@ -0,0 +1,393 @@
+/*
+ * e-mail-config-smtp-backend.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-config-smtp-backend.h"
+
+#include <config.h>
+#include <glib/gi18n-lib.h>
+
+#include <camel/camel.h>
+#include <libebackend/e-extension.h>
+#include <libedataserver/e-source-backend.h>
+#include <libedataserver/e-data-server-util.h>
+
+#include <misc/e-port-entry.h>
+
+#include <mail/e-mail-config-auth-check.h>
+#include <mail/e-mail-config-service-page.h>
+
+#define E_MAIL_CONFIG_SMTP_BACKEND_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_MAIL_CONFIG_SMTP_BACKEND, EMailConfigSmtpBackendPrivate))
+
+struct _EMailConfigSmtpBackendPrivate {
+	GtkWidget *host_entry;			/* not referenced */
+	GtkWidget *port_entry;			/* not referenced */
+	GtkWidget *user_entry;			/* not referenced */
+	GtkWidget *security_combo_box;		/* not referenced */
+	GtkWidget *auth_required_toggle;	/* not referenced */
+	GtkWidget *auth_check;			/* not referenced */
+};
+
+G_DEFINE_DYNAMIC_TYPE (
+	EMailConfigSmtpBackend,
+	e_mail_config_smtp_backend,
+	E_TYPE_MAIL_CONFIG_SERVICE_BACKEND)
+
+static void
+mail_config_smtp_backend_insert_widgets (EMailConfigServiceBackend *backend,
+                                         GtkBox *parent)
+{
+	EMailConfigSmtpBackendPrivate *priv;
+	CamelProvider *provider;
+	CamelSettings *settings;
+	ESource *source;
+	ESourceBackend *extension;
+	EMailConfigServicePage *page;
+	EMailConfigServicePageClass *class;
+	GtkLabel *label;
+	GtkWidget *widget;
+	GtkWidget *container;
+	const gchar *backend_name;
+	const gchar *extension_name;
+	const gchar *mechanism;
+	const gchar *text;
+	gchar *markup;
+
+	priv = E_MAIL_CONFIG_SMTP_BACKEND_GET_PRIVATE (backend);
+
+	page = e_mail_config_service_backend_get_page (backend);
+	source = e_mail_config_service_backend_get_source (backend);
+	settings = e_mail_config_service_backend_get_settings (backend);
+
+	class = E_MAIL_CONFIG_SERVICE_PAGE_GET_CLASS (page);
+	extension_name = class->extension_name;
+	extension = e_source_get_extension (source, extension_name);
+	backend_name = e_source_backend_get_backend_name (extension);
+
+	text = _("Configuration");
+	markup = g_markup_printf_escaped ("<b>%s</b>", text);
+	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 (parent), widget, FALSE, FALSE, 0);
+	gtk_widget_show (widget);
+	g_free (markup);
+
+	widget = gtk_grid_new ();
+	gtk_widget_set_margin_left (widget, 12);
+	gtk_grid_set_row_spacing (GTK_GRID (widget), 6);
+	gtk_grid_set_column_spacing (GTK_GRID (widget), 6);
+	gtk_box_pack_start (GTK_BOX (parent), widget, FALSE, FALSE, 0);
+	gtk_widget_show (widget);
+
+	container = widget;
+
+	widget = gtk_label_new_with_mnemonic (_("_Server:"));
+	gtk_grid_attach (GTK_GRID (container), widget, 0, 0, 1, 1);
+	gtk_widget_show (widget);
+
+	label = GTK_LABEL (widget);
+
+	widget = gtk_entry_new ();
+	gtk_widget_set_hexpand (widget, TRUE);
+	gtk_label_set_mnemonic_widget (label, widget);
+	gtk_grid_attach (GTK_GRID (container), widget, 1, 0, 1, 1);
+	priv->host_entry = widget;  /* do not reference */
+	gtk_widget_show (widget);
+
+	widget = gtk_label_new_with_mnemonic (_("_Port:"));
+	gtk_grid_attach (GTK_GRID (container), widget, 2, 0, 1, 1);
+	gtk_widget_show (widget);
+
+	label = GTK_LABEL (widget);
+
+	widget = e_port_entry_new ();
+	gtk_label_set_mnemonic_widget (label, widget);
+	gtk_grid_attach (GTK_GRID (container), widget, 3, 0, 1, 1);
+	priv->port_entry = widget;  /* do not reference */
+	gtk_widget_show (widget);
+
+	text = _("Ser_ver requires authentication");
+	widget = gtk_check_button_new_with_mnemonic (text);
+	gtk_grid_attach (GTK_GRID (container), widget, 1, 1, 3, 1);
+	priv->auth_required_toggle = widget;  /* do not reference */
+	gtk_widget_show (widget);
+
+	text = _("Security");
+	markup = g_markup_printf_escaped ("<b>%s</b>", text);
+	widget = gtk_label_new (markup);
+	gtk_widget_set_margin_top (widget, 6);
+	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 (parent), widget, FALSE, FALSE, 0);
+	gtk_widget_show (widget);
+	g_free (markup);
+
+	widget = gtk_grid_new ();
+	gtk_widget_set_margin_left (widget, 12);
+	gtk_grid_set_row_spacing (GTK_GRID (widget), 6);
+	gtk_grid_set_column_spacing (GTK_GRID (widget), 6);
+	gtk_box_pack_start (GTK_BOX (parent), widget, FALSE, FALSE, 0);
+	gtk_widget_show (widget);
+
+	container = widget;
+
+	widget = gtk_label_new_with_mnemonic (_("Encryption _method:"));
+	gtk_grid_attach (GTK_GRID (container), widget, 0, 0, 1, 1);
+	gtk_widget_show (widget);
+
+	label = GTK_LABEL (widget);
+
+	/* The IDs correspond to the CamelNetworkSecurityMethod enum. */
+	widget = gtk_combo_box_text_new ();
+	gtk_combo_box_text_append (
+		GTK_COMBO_BOX_TEXT (widget),
+		"none",
+		_("No encryption"));
+	gtk_combo_box_text_append (
+		GTK_COMBO_BOX_TEXT (widget),
+		"starttls-on-standard-port",
+		_("STARTTLS after connecting"));
+	gtk_combo_box_text_append (
+		GTK_COMBO_BOX_TEXT (widget),
+		"ssl-on-alternate-port",
+		_("SSL on a dedicated port"));
+	gtk_label_set_mnemonic_widget (label, widget);
+	gtk_widget_set_halign (widget, GTK_ALIGN_START);
+	gtk_grid_attach (GTK_GRID (container), widget, 1, 0, 1, 1);
+	priv->security_combo_box = widget;  /* do not reference */
+	gtk_widget_show (widget);
+
+	provider = camel_provider_get (backend_name, NULL);
+	if (provider != NULL && provider->port_entries != NULL)
+		e_port_entry_set_camel_entries (
+			E_PORT_ENTRY (priv->port_entry),
+			provider->port_entries);
+
+	text = _("Authentication");
+	markup = g_markup_printf_escaped ("<b>%s</b>", text);
+	widget = gtk_label_new (markup);
+	gtk_widget_set_margin_top (widget, 6);
+	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 (parent), widget, FALSE, FALSE, 0);
+	gtk_widget_show (widget);
+	g_free (markup);
+
+	g_object_bind_property (
+		priv->auth_required_toggle, "active",
+		widget, "sensitive",
+		G_BINDING_SYNC_CREATE);
+
+	widget = gtk_grid_new ();
+	gtk_widget_set_margin_left (widget, 12);
+	gtk_grid_set_row_spacing (GTK_GRID (widget), 6);
+	gtk_grid_set_column_spacing (GTK_GRID (widget), 6);
+	gtk_box_pack_start (GTK_BOX (parent), widget, FALSE, FALSE, 0);
+	gtk_widget_show (widget);
+
+	g_object_bind_property (
+		priv->auth_required_toggle, "active",
+		widget, "sensitive",
+		G_BINDING_SYNC_CREATE);
+
+	container = widget;
+
+	widget = gtk_label_new_with_mnemonic (_("T_ype:"));
+	gtk_misc_set_alignment (GTK_MISC (widget), 1.0, 0.5);
+	gtk_grid_attach (GTK_GRID (container), widget, 0, 0, 1, 1);
+	gtk_widget_show (widget);
+
+	label = GTK_LABEL (widget);
+
+	/* We can't bind GSettings:auth-mechanism directly to this
+	 * because the toggle button above influences the value we
+	 * choose: "none" if the toggle button is inactive or else
+	 * the active mechanism name from this widget. */
+	widget = e_mail_config_auth_check_new (backend);
+	gtk_widget_set_hexpand (widget, TRUE);
+	gtk_label_set_mnemonic_widget (label, widget);
+	gtk_grid_attach (GTK_GRID (container), widget, 1, 0, 1, 1);
+	priv->auth_check = widget;  /* do not reference */
+	gtk_widget_show (widget);
+
+	widget = gtk_label_new_with_mnemonic (_("User_name:"));
+	gtk_misc_set_alignment (GTK_MISC (widget), 1.0, 0.5);
+	gtk_grid_attach (GTK_GRID (container), widget, 0, 1, 1, 1);
+	gtk_widget_show (widget);
+
+	label = GTK_LABEL (widget);
+
+	widget = gtk_entry_new ();
+	gtk_widget_set_hexpand (widget, TRUE);
+	gtk_label_set_mnemonic_widget (label, widget);
+	gtk_grid_attach (GTK_GRID (container), widget, 1, 1, 2, 1);
+	priv->user_entry = widget;  /* do not reference */
+	gtk_widget_show (widget);
+
+	g_object_bind_property (
+		settings, "host",
+		priv->host_entry, "text",
+		G_BINDING_BIDIRECTIONAL |
+		G_BINDING_SYNC_CREATE);
+
+	g_object_bind_property_full (
+		settings, "security-method",
+		priv->security_combo_box, "active-id",
+		G_BINDING_BIDIRECTIONAL |
+		G_BINDING_SYNC_CREATE,
+		e_binding_transform_enum_value_to_nick,
+		e_binding_transform_enum_nick_to_value,
+		NULL, (GDestroyNotify) NULL);
+
+	g_object_bind_property (
+		settings, "port",
+		priv->port_entry, "port",
+		G_BINDING_BIDIRECTIONAL |
+		G_BINDING_SYNC_CREATE);
+
+	g_object_bind_property (
+		settings, "security-method",
+		priv->port_entry, "security-method",
+		G_BINDING_SYNC_CREATE);
+
+	g_object_bind_property (
+		settings, "user",
+		priv->user_entry, "text",
+		G_BINDING_BIDIRECTIONAL |
+		G_BINDING_SYNC_CREATE);
+
+	/* Enable the auth-required toggle button if
+	 * we have an authentication mechanism name. */
+	mechanism = camel_network_settings_get_auth_mechanism (
+		CAMEL_NETWORK_SETTINGS (settings));
+	gtk_toggle_button_set_active (
+		GTK_TOGGLE_BUTTON (priv->auth_required_toggle),
+		(mechanism != NULL && *mechanism != '\0'));
+}
+
+static gboolean
+mail_config_smtp_backend_auto_configure (EMailConfigServiceBackend *backend,
+                                         EMailAutoconfig *autoconfig)
+{
+	ESource *source;
+
+	source = e_mail_config_service_backend_get_source (backend);
+
+	return e_mail_autoconfig_set_smtp_details (autoconfig, source);
+}
+
+static gboolean
+mail_config_smtp_backend_check_complete (EMailConfigServiceBackend *backend)
+{
+	EMailConfigSmtpBackendPrivate *priv;
+	CamelSettings *settings;
+	CamelNetworkSettings *network_settings;
+	GtkToggleButton *toggle_button;
+	EPortEntry *port_entry;
+	const gchar *host;
+	const gchar *user;
+
+	priv = E_MAIL_CONFIG_SMTP_BACKEND_GET_PRIVATE (backend);
+
+	settings = e_mail_config_service_backend_get_settings (backend);
+
+	network_settings = CAMEL_NETWORK_SETTINGS (settings);
+	host = camel_network_settings_get_host (network_settings);
+	user = camel_network_settings_get_user (network_settings);
+
+	if (host == NULL || *host == '\0')
+		return FALSE;
+
+	port_entry = E_PORT_ENTRY (priv->port_entry);
+
+	if (!e_port_entry_is_valid (port_entry))
+		return FALSE;
+
+	toggle_button = GTK_TOGGLE_BUTTON (priv->auth_required_toggle);
+
+	if (gtk_toggle_button_get_active (toggle_button))
+		if (user == NULL || *user == '\0')
+			return FALSE;
+
+	return TRUE;
+}
+
+static void
+mail_config_smtp_backend_commit_changes (EMailConfigServiceBackend *backend)
+{
+	EMailConfigSmtpBackendPrivate *priv;
+	GtkToggleButton *toggle_button;
+	CamelSettings *settings;
+	const gchar *mechanism = NULL;
+
+	/* The authentication mechanism name depends on both the
+	 * toggle button and the EMailConfigAuthCheck widget, so
+	 * we have to set it manually here. */
+
+	priv = E_MAIL_CONFIG_SMTP_BACKEND_GET_PRIVATE (backend);
+
+	settings = e_mail_config_service_backend_get_settings (backend);
+
+	toggle_button = GTK_TOGGLE_BUTTON (priv->auth_required_toggle);
+
+	if (gtk_toggle_button_get_active (toggle_button))
+		mechanism = e_mail_config_auth_check_get_active_mechanism (
+			E_MAIL_CONFIG_AUTH_CHECK (priv->auth_check));
+
+	camel_network_settings_set_auth_mechanism (
+		CAMEL_NETWORK_SETTINGS (settings), mechanism);
+}
+
+static void
+e_mail_config_smtp_backend_class_init (EMailConfigSmtpBackendClass *class)
+{
+	EMailConfigServiceBackendClass *backend_class;
+
+	g_type_class_add_private (
+		class, sizeof (EMailConfigSmtpBackendPrivate));
+
+	backend_class = E_MAIL_CONFIG_SERVICE_BACKEND_CLASS (class);
+	backend_class->backend_name = "smtp";
+	backend_class->insert_widgets = mail_config_smtp_backend_insert_widgets;
+	backend_class->auto_configure = mail_config_smtp_backend_auto_configure;
+	backend_class->check_complete = mail_config_smtp_backend_check_complete;
+	backend_class->commit_changes = mail_config_smtp_backend_commit_changes;
+}
+
+static void
+e_mail_config_smtp_backend_class_finalize (EMailConfigSmtpBackendClass *class)
+{
+}
+
+static void
+e_mail_config_smtp_backend_init (EMailConfigSmtpBackend *backend)
+{
+	backend->priv = E_MAIL_CONFIG_SMTP_BACKEND_GET_PRIVATE (backend);
+}
+
+void
+e_mail_config_smtp_backend_type_register (GTypeModule *type_module)
+{
+	/* XXX G_DEFINE_DYNAMIC_TYPE declares a static type registration
+	 *     function, so we have to wrap it with a public function in
+	 *     order to register types from a separate compilation unit. */
+	e_mail_config_smtp_backend_register_type (type_module);
+}
+