Adapt mail to the new ESource API.

1 files changed, 774 insertions, 0 deletions

diff --git a/mail/e-mail-config-provider-page.c b/mail/e-mail-config-provider-page.c
new file mode 100644
index 0000000000..1474ff3263
--- /dev/null
+++ b/mail/e-mail-config-provider-page.c
@@ -0,0 +1,774 @@
+/*
+ * e-mail-config-provider-page.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-provider-page.h"
+
+#include <config.h>
+#include <string.h>
+#include <glib/gi18n-lib.h>
+
+#include <libebackend/e-extensible.h>
+#include <libedataserver/e-data-server-util.h>
+
+#include <libevolution-utils/e-alert-sink.h>
+#include <libevolution-utils/e-alert-dialog.h>
+#include <misc/e-activity-bar.h>
+#include <misc/e-alert-bar.h>
+
+#define E_MAIL_CONFIG_PROVIDER_PAGE_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_MAIL_CONFIG_PROVIDER_PAGE, EMailConfigProviderPagePrivate))
+
+#define STANDARD_MARGIN   12
+#define DEPENDENCY_MARGIN 24
+
+struct _EMailConfigProviderPagePrivate {
+	EMailConfigServiceBackend *backend;
+	gboolean is_empty;
+
+	GtkWidget *activity_bar;
+	GtkWidget *alert_bar;
+};
+
+enum {
+	PROP_0,
+	PROP_BACKEND
+};
+
+/* Forward Declarations */
+static void	e_mail_config_provider_page_alert_sink_init
+					(EAlertSinkInterface *interface);
+static void	e_mail_config_provider_page_interface_init
+					(EMailConfigPageInterface *interface);
+
+G_DEFINE_TYPE_WITH_CODE (
+	EMailConfigProviderPage,
+	e_mail_config_provider_page,
+	GTK_TYPE_BOX,
+	G_IMPLEMENT_INTERFACE (
+		E_TYPE_EXTENSIBLE, NULL)
+	G_IMPLEMENT_INTERFACE (
+		E_TYPE_ALERT_SINK,
+		e_mail_config_provider_page_alert_sink_init)
+	G_IMPLEMENT_INTERFACE (
+		E_TYPE_MAIL_CONFIG_PAGE,
+		e_mail_config_provider_page_interface_init))
+
+static void
+mail_config_provider_page_handle_dependency (EMailConfigProviderPage *page,
+                                             CamelProviderConfEntry *entry,
+                                             GtkWidget *widget)
+{
+	EMailConfigServiceBackend *backend;
+	CamelSettings *settings;
+	GBindingFlags binding_flags = G_BINDING_SYNC_CREATE;
+	const gchar *depname = entry->depname;
+	gint margin;
+
+	if (depname == NULL)
+		return;
+
+	if (*depname == '!') {
+		binding_flags |= G_BINDING_INVERT_BOOLEAN;
+		depname++;
+	}
+
+	backend = e_mail_config_provider_page_get_backend (page);
+	settings = e_mail_config_service_backend_get_settings (backend);
+
+	g_object_bind_property (
+		settings, depname,
+		widget, "sensitive",
+		binding_flags);
+
+	/* Further indent the widget to show its dependency. */
+	margin = gtk_widget_get_margin_left (widget);
+	gtk_widget_set_margin_left (widget, margin + DEPENDENCY_MARGIN);
+}
+
+static void
+mail_config_provider_page_add_section (EMailConfigProviderPage *page,
+                                       CamelProviderConfEntry *entry)
+{
+	EMailConfigServiceBackend *backend;
+	CamelProvider *provider;
+	GtkWidget *widget;
+	gchar *markup;
+
+	g_return_if_fail (entry->text != NULL);
+
+	backend = e_mail_config_provider_page_get_backend (page);
+	provider = e_mail_config_service_backend_get_provider (backend);
+
+	markup = g_markup_printf_escaped ("<b>%s</b>", entry->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 (page), widget, FALSE, FALSE, 0);
+	gtk_widget_show (widget);
+
+	/* Skip the top margin if this is the first entry. */
+	if (entry != provider->extra_conf)
+		gtk_widget_set_margin_top (widget, 6);
+
+	g_free (markup);
+}
+
+static void
+mail_config_provider_page_add_checkbox (EMailConfigProviderPage *page,
+                                        CamelProviderConfEntry *entry)
+{
+	EMailConfigServiceBackend *backend;
+	CamelSettings *settings;
+	GtkWidget *widget;
+
+	g_return_if_fail (entry->text != NULL);
+
+	backend = e_mail_config_provider_page_get_backend (page);
+	settings = e_mail_config_service_backend_get_settings (backend);
+
+	widget = gtk_check_button_new_with_mnemonic (entry->text);
+	gtk_widget_set_margin_left (widget, STANDARD_MARGIN);
+	gtk_box_pack_start (GTK_BOX (page), widget, FALSE, FALSE, 0);
+	gtk_widget_show (widget);
+
+	g_object_bind_property (
+		settings, entry->name,
+		widget, "active",
+		G_BINDING_BIDIRECTIONAL |
+		G_BINDING_SYNC_CREATE);
+
+	mail_config_provider_page_handle_dependency (page, entry, widget);
+}
+
+static void
+mail_config_provider_page_add_checkspin (EMailConfigProviderPage *page,
+                                         CamelProviderConfEntry *entry)
+{
+	EMailConfigServiceBackend *backend;
+	CamelSettings *settings;
+	GObjectClass *class;
+	GParamSpec *pspec;
+	GParamSpec *use_pspec;
+	GtkAdjustment *adjustment;
+	GtkWidget *hbox, *spin;
+	GtkWidget *prefix;
+	gchar *use_property_name;
+	gchar *pre, *post;
+
+	g_return_if_fail (entry->text != NULL);
+
+	backend = e_mail_config_provider_page_get_backend (page);
+	settings = e_mail_config_service_backend_get_settings (backend);
+
+	/* The entry->name property (e.g. "foo") should be numeric for the
+	 * spin button.  If a "use" boolean property exists (e.g. "use-foo")
+	 * then a checkbox is also shown. */
+
+	class = G_OBJECT_GET_CLASS (settings);
+	pspec = g_object_class_find_property (class, entry->name);
+	g_return_if_fail (pspec != NULL);
+
+	use_property_name = g_strconcat ("use-", entry->name, NULL);
+	use_pspec = g_object_class_find_property (class, use_property_name);
+	if (use_pspec != NULL && use_pspec->value_type != G_TYPE_BOOLEAN)
+		use_pspec = NULL;
+	g_free (use_property_name);
+
+	/* Make sure we can convert to and from doubles. */
+	g_return_if_fail (
+		g_value_type_transformable (
+		pspec->value_type, G_TYPE_DOUBLE));
+	g_return_if_fail (
+		g_value_type_transformable (
+		G_TYPE_DOUBLE, pspec->value_type));
+
+	if (G_IS_PARAM_SPEC_CHAR (pspec)) {
+		GParamSpecChar *pspec_char;
+		pspec_char = G_PARAM_SPEC_CHAR (pspec);
+		adjustment = gtk_adjustment_new (
+			(gdouble) pspec_char->default_value,
+			(gdouble) pspec_char->minimum,
+			(gdouble) pspec_char->maximum,
+			1.0, 1.0, 0.0);
+
+	} else if (G_IS_PARAM_SPEC_UCHAR (pspec)) {
+		GParamSpecUChar *pspec_uchar;
+		pspec_uchar = G_PARAM_SPEC_UCHAR (pspec);
+		adjustment = gtk_adjustment_new (
+			(gdouble) pspec_uchar->default_value,
+			(gdouble) pspec_uchar->minimum,
+			(gdouble) pspec_uchar->maximum,
+			1.0, 1.0, 0.0);
+
+	} else if (G_IS_PARAM_SPEC_INT (pspec)) {
+		GParamSpecInt *pspec_int;
+		pspec_int = G_PARAM_SPEC_INT (pspec);
+		adjustment = gtk_adjustment_new (
+			(gdouble) pspec_int->default_value,
+			(gdouble) pspec_int->minimum,
+			(gdouble) pspec_int->maximum,
+			1.0, 1.0, 0.0);
+
+	} else if (G_IS_PARAM_SPEC_UINT (pspec)) {
+		GParamSpecUInt *pspec_uint;
+		pspec_uint = G_PARAM_SPEC_UINT (pspec);
+		adjustment = gtk_adjustment_new (
+			(gdouble) pspec_uint->default_value,
+			(gdouble) pspec_uint->minimum,
+			(gdouble) pspec_uint->maximum,
+			1.0, 1.0, 0.0);
+
+	} else if (G_IS_PARAM_SPEC_LONG (pspec)) {
+		GParamSpecLong *pspec_long;
+		pspec_long = G_PARAM_SPEC_LONG (pspec);
+		adjustment = gtk_adjustment_new (
+			(gdouble) pspec_long->default_value,
+			(gdouble) pspec_long->minimum,
+			(gdouble) pspec_long->maximum,
+			1.0, 1.0, 0.0);
+
+	} else if (G_IS_PARAM_SPEC_ULONG (pspec)) {
+		GParamSpecULong *pspec_ulong;
+		pspec_ulong = G_PARAM_SPEC_ULONG (pspec);
+		adjustment = gtk_adjustment_new (
+			(gdouble) pspec_ulong->default_value,
+			(gdouble) pspec_ulong->minimum,
+			(gdouble) pspec_ulong->maximum,
+			1.0, 1.0, 0.0);
+
+	} else if (G_IS_PARAM_SPEC_FLOAT (pspec)) {
+		GParamSpecFloat *pspec_float;
+		pspec_float = G_PARAM_SPEC_FLOAT (pspec);
+		adjustment = gtk_adjustment_new (
+			(gdouble) pspec_float->default_value,
+			(gdouble) pspec_float->minimum,
+			(gdouble) pspec_float->maximum,
+			1.0, 1.0, 0.0);
+
+	} else if (G_IS_PARAM_SPEC_DOUBLE (pspec)) {
+		GParamSpecDouble *pspec_double;
+		pspec_double = G_PARAM_SPEC_DOUBLE (pspec);
+		adjustment = gtk_adjustment_new (
+			(gdouble) pspec_double->default_value,
+			(gdouble) pspec_double->minimum,
+			(gdouble) pspec_double->maximum,
+			1.0, 1.0, 0.0);
+
+	} else
+		g_return_if_reached ();
+
+	pre = g_alloca (strlen (entry->text) + 1);
+	strcpy (pre, entry->text);
+	post = strstr (pre, "%s");
+	if (post != NULL) {
+		*post = '\0';
+		post += 2;
+	}
+
+	hbox = gtk_hbox_new (FALSE, 3);
+	gtk_widget_set_margin_left (hbox, STANDARD_MARGIN);
+	gtk_box_pack_start (GTK_BOX (page), hbox, FALSE, FALSE, 0);
+	gtk_widget_show (hbox);
+
+	if (use_pspec != NULL) {
+		prefix = gtk_check_button_new_with_mnemonic (pre);
+
+		g_object_bind_property (
+			settings, use_pspec->name,
+			prefix, "active",
+			G_BINDING_BIDIRECTIONAL |
+			G_BINDING_SYNC_CREATE);
+	} else {
+		prefix = gtk_label_new_with_mnemonic (pre);
+	}
+	gtk_box_pack_start (GTK_BOX (hbox), prefix, FALSE, TRUE, 0);
+	gtk_widget_show (prefix);
+
+	spin = gtk_spin_button_new (adjustment, 1.0, 0);
+	gtk_box_pack_start (GTK_BOX (hbox), spin, FALSE, TRUE, 0);
+	gtk_widget_show (spin);
+
+	g_object_bind_property (
+		settings, entry->name,
+		spin, "value",
+		G_BINDING_BIDIRECTIONAL |
+		G_BINDING_SYNC_CREATE);
+
+	if (use_pspec != NULL)
+		g_object_bind_property (
+			prefix, "active",
+			spin, "sensitive",
+			G_BINDING_SYNC_CREATE);
+
+	if (post != NULL) {
+		GtkWidget *label = gtk_label_new_with_mnemonic (post);
+		gtk_label_set_mnemonic_widget (GTK_LABEL (label), prefix);
+		gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
+		gtk_widget_show (label);
+	}
+
+	mail_config_provider_page_handle_dependency (page, entry, hbox);
+}
+
+static void
+mail_config_provider_page_add_entry (EMailConfigProviderPage *page,
+                                     CamelProviderConfEntry *entry)
+{
+	EMailConfigServiceBackend *backend;
+	CamelSettings *settings;
+	GtkWidget *hbox;
+	GtkWidget *input;
+	GtkWidget *label;
+
+	g_return_if_fail (entry->text != NULL);
+
+	backend = e_mail_config_provider_page_get_backend (page);
+	settings = e_mail_config_service_backend_get_settings (backend);
+
+	hbox = gtk_hbox_new (FALSE, 0);
+	gtk_box_set_spacing (GTK_BOX (hbox), 6);
+	gtk_widget_set_margin_left (hbox, STANDARD_MARGIN);
+	gtk_box_pack_start (GTK_BOX (page), hbox, FALSE, FALSE, 0);
+	gtk_widget_show (hbox);
+
+	label = gtk_label_new_with_mnemonic (entry->text);
+	gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+	gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
+	gtk_widget_show (label);
+
+	input = gtk_entry_new ();
+	gtk_label_set_mnemonic_widget (GTK_LABEL (label), input);
+	gtk_box_pack_start (GTK_BOX (hbox), input, TRUE, TRUE, 0);
+	gtk_widget_show (input);
+
+	g_object_bind_property (
+		settings, entry->name,
+		input, "text",
+		G_BINDING_BIDIRECTIONAL |
+		G_BINDING_SYNC_CREATE);
+
+	g_object_bind_property (
+		input, "sensitive",
+		label, "sensitive",
+		G_BINDING_SYNC_CREATE);
+
+	mail_config_provider_page_handle_dependency (page, entry, hbox);
+}
+
+static void
+mail_config_provider_page_add_options (EMailConfigProviderPage *page,
+                                       CamelProviderConfEntry *entry)
+{
+	EMailConfigServiceBackend *backend;
+	CamelProvider *provider;
+	CamelSettings *settings;
+	GtkCellRenderer *renderer;
+	GtkListStore *store;
+	GtkWidget *hbox;
+	GtkWidget *combo;
+	GtkWidget *label;
+	gchar **tokens;
+	guint length, ii;
+
+	/* The 'value' string is of the format:
+	 *
+	 *   'nick0:caption0:nick1:caption1:...nickN:captionN'
+	 *
+	 * where 'nick' is the nickname a GEnumValue and 'caption'
+	 * is the localized combo box item displayed to the user. */
+
+	g_return_if_fail (entry->text != NULL);
+	g_return_if_fail (entry->value != NULL);
+
+	backend = e_mail_config_provider_page_get_backend (page);
+	provider = e_mail_config_service_backend_get_provider (backend);
+	settings = e_mail_config_service_backend_get_settings (backend);
+
+	hbox = gtk_hbox_new (FALSE, 0);
+	gtk_box_set_spacing (GTK_BOX (hbox), 6);
+	gtk_widget_set_margin_left (hbox, STANDARD_MARGIN);
+	gtk_box_pack_start (GTK_BOX (page), hbox, FALSE, FALSE, 0);
+	gtk_widget_show (hbox);
+
+	label = gtk_label_new_with_mnemonic (entry->text);
+	gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+	gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
+	gtk_widget_show (label);
+
+	/* 0: 'nick', 1: caption */
+	store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_STRING);
+
+	tokens = g_strsplit (entry->value, ":", -1);
+	length = g_strv_length (tokens);
+
+	/* Take the strings two at a time. */
+	for (ii = 0; ii + 1 < length; ii += 2) {
+		GtkTreeIter iter;
+		const gchar *nick;
+		const gchar *caption;
+
+		nick = tokens[ii + 0];
+		caption = tokens[ii + 1];
+
+		/* Localize the caption. */
+		caption = dgettext (provider->translation_domain, caption);
+
+		gtk_list_store_append (store, &iter);
+		gtk_list_store_set (store, &iter, 0, nick, 1, caption, -1);
+	}
+
+	g_strfreev (tokens);
+
+	combo = gtk_combo_box_new_with_model (GTK_TREE_MODEL (store));
+	gtk_combo_box_set_id_column (GTK_COMBO_BOX (combo), 0);
+	gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo);
+	gtk_box_pack_start (GTK_BOX (hbox), combo, FALSE, FALSE, 0);
+	gtk_widget_show (combo);
+
+	g_object_bind_property_full (
+		settings, entry->name,
+		combo, "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);
+
+	renderer = gtk_cell_renderer_text_new ();
+	gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo), renderer, TRUE);
+	gtk_cell_layout_set_attributes (
+		GTK_CELL_LAYOUT (combo), renderer, "text", 1, NULL);
+
+	mail_config_provider_page_handle_dependency (page, entry, hbox);
+}
+
+static void
+mail_config_provider_page_add_widgets (EMailConfigProviderPage *page)
+{
+	EMailConfigServiceBackend *backend;
+	CamelProviderConfEntry *entries;
+	CamelProvider *provider;
+	GtkWidget *frame;
+	GtkWidget *widget;
+	gint ii;
+
+	/* Note the "text" member of each CamelProviderConfEntry is
+	 * already localized, so we can use it directly in widgets. */
+
+	backend = e_mail_config_provider_page_get_backend (page);
+	provider = e_mail_config_service_backend_get_provider (backend);
+	g_return_if_fail (provider != NULL);
+
+	entries = provider->extra_conf;
+
+	/* Loop until we see CAMEL_PROVIDER_CONF_END. */
+	for (ii = 0; entries[ii].type != CAMEL_PROVIDER_CONF_END; ii++) {
+
+		/* Skip entries with no name. */
+		if (entries[ii].name == NULL)
+			continue;
+
+		switch (entries[ii].type) {
+			case CAMEL_PROVIDER_CONF_SECTION_START:
+				mail_config_provider_page_add_section (
+					page, &entries[ii]);
+				break;
+
+			case CAMEL_PROVIDER_CONF_CHECKBOX:
+				mail_config_provider_page_add_checkbox (
+					page, &entries[ii]);
+				break;
+
+			case CAMEL_PROVIDER_CONF_CHECKSPIN:
+				mail_config_provider_page_add_checkspin (
+					page, &entries[ii]);
+				break;
+
+			case CAMEL_PROVIDER_CONF_ENTRY:
+				mail_config_provider_page_add_entry (
+					page, &entries[ii]);
+				break;
+
+			case CAMEL_PROVIDER_CONF_OPTIONS:
+				mail_config_provider_page_add_options (
+					page, &entries[ii]);
+				break;
+
+			default:
+				break;  /* skip it */
+		}
+	}
+
+	/* So far only Evolution-EWS uses the activity and alert
+	 * bars, but other packages may someday find it handy. */
+
+	widget = gtk_frame_new (NULL);
+	gtk_frame_set_shadow_type (GTK_FRAME (widget), GTK_SHADOW_IN);
+	gtk_box_pack_end (GTK_BOX (page), widget, FALSE, FALSE, 0);
+	/* Visibility is bound to the EActivityBar. */
+
+	frame = widget;
+
+	widget = e_activity_bar_new ();
+	gtk_container_add (GTK_CONTAINER (frame), widget);
+	page->priv->activity_bar = widget;  /* not referenced */
+	/* EActivity controls its own visibility. */
+
+	g_object_bind_property (
+		widget, "visible",
+		frame, "visible",
+		G_BINDING_SYNC_CREATE);
+
+	widget = gtk_frame_new (NULL);
+	gtk_frame_set_shadow_type (GTK_FRAME (widget), GTK_SHADOW_IN);
+	gtk_box_pack_end (GTK_BOX (page), widget, FALSE, FALSE, 0);
+	/* Visibility is bound to the EAlertBar. */
+
+	frame = widget;
+
+	widget = e_alert_bar_new ();
+	gtk_container_add (GTK_CONTAINER (frame), widget);
+	page->priv->alert_bar = widget;  /* not referenced */
+	/* EAlertBar controls its own visibility. */
+
+	g_object_bind_property (
+		widget, "visible",
+		frame, "visible",
+		G_BINDING_SYNC_CREATE);
+}
+
+static void
+mail_config_provider_page_set_backend (EMailConfigProviderPage *page,
+                                       EMailConfigServiceBackend *backend)
+{
+	g_return_if_fail (E_IS_MAIL_CONFIG_SERVICE_BACKEND (backend));
+	g_return_if_fail (page->priv->backend == NULL);
+
+	page->priv->backend = g_object_ref (backend);
+}
+
+static void
+mail_config_provider_page_set_property (GObject *object,
+                                        guint property_id,
+                                        const GValue *value,
+                                        GParamSpec *pspec)
+{
+	switch (property_id) {
+		case PROP_BACKEND:
+			mail_config_provider_page_set_backend (
+				E_MAIL_CONFIG_PROVIDER_PAGE (object),
+				g_value_get_object (value));
+			return;
+	}
+
+	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+mail_config_provider_page_get_property (GObject *object,
+                                        guint property_id,
+                                        GValue *value,
+                                        GParamSpec *pspec)
+{
+	switch (property_id) {
+		case PROP_BACKEND:
+			g_value_set_object (
+				value,
+				e_mail_config_provider_page_get_backend (
+				E_MAIL_CONFIG_PROVIDER_PAGE (object)));
+			return;
+	}
+
+	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+mail_config_provider_page_dispose (GObject *object)
+{
+	EMailConfigProviderPagePrivate *priv;
+
+	priv = E_MAIL_CONFIG_PROVIDER_PAGE_GET_PRIVATE (object);
+
+	if (priv->backend != NULL) {
+		g_object_unref (priv->backend);
+		priv->backend = NULL;
+	}
+
+	/* Chain up parent's dispose() method. */
+	G_OBJECT_CLASS (e_mail_config_provider_page_parent_class)->
+		dispose (object);
+}
+
+static void
+mail_config_provider_page_constructed (GObject *object)
+{
+	EMailConfigProviderPage *page;
+	EMailConfigServiceBackend *backend;
+	CamelProvider *provider;
+
+	page = E_MAIL_CONFIG_PROVIDER_PAGE (object);
+
+	/* Chain up parent's constructed() method. */
+	G_OBJECT_CLASS (e_mail_config_provider_page_parent_class)->
+		constructed (object);
+
+	gtk_box_set_spacing (GTK_BOX (object), 6);
+
+	gtk_orientable_set_orientation (
+		GTK_ORIENTABLE (object), GTK_ORIENTATION_VERTICAL);
+
+	backend = e_mail_config_provider_page_get_backend (page);
+	provider = e_mail_config_service_backend_get_provider (backend);
+
+	if (provider != NULL && provider->extra_conf != NULL)
+		mail_config_provider_page_add_widgets (page);
+	else
+		page->priv->is_empty = TRUE;
+
+	e_extensible_load_extensions (E_EXTENSIBLE (page));
+}
+
+static void
+mail_config_provider_page_submit_alert (EAlertSink *alert_sink,
+                                        EAlert *alert)
+{
+	EMailConfigProviderPagePrivate *priv;
+	EAlertBar *alert_bar;
+	GtkWidget *dialog;
+	gpointer parent;
+
+	priv = E_MAIL_CONFIG_PROVIDER_PAGE_GET_PRIVATE (alert_sink);
+
+	parent = gtk_widget_get_toplevel (GTK_WIDGET (alert_sink));
+	parent = gtk_widget_is_toplevel (parent) ? parent : NULL;
+
+	switch (e_alert_get_message_type (alert)) {
+		case GTK_MESSAGE_INFO:
+		case GTK_MESSAGE_WARNING:
+		case GTK_MESSAGE_ERROR:
+			alert_bar = E_ALERT_BAR (priv->alert_bar);
+			e_alert_bar_add_alert (alert_bar, alert);
+			break;
+
+		default:
+			dialog = e_alert_dialog_new (parent, alert);
+			gtk_dialog_run (GTK_DIALOG (dialog));
+			gtk_widget_destroy (dialog);
+			break;
+	}
+}
+
+static void
+e_mail_config_provider_page_class_init (EMailConfigProviderPageClass *class)
+{
+	GObjectClass *object_class;
+
+	g_type_class_add_private (class, sizeof (EMailConfigProviderPagePrivate));
+
+	object_class = G_OBJECT_CLASS (class);
+	object_class->set_property = mail_config_provider_page_set_property;
+	object_class->get_property = mail_config_provider_page_get_property;
+	object_class->dispose = mail_config_provider_page_dispose;
+	object_class->constructed = mail_config_provider_page_constructed;
+
+	g_object_class_install_property (
+		object_class,
+		PROP_BACKEND,
+		g_param_spec_object (
+			"backend",
+			"Backend",
+			"Service backend to generate options from",
+			E_TYPE_MAIL_CONFIG_SERVICE_BACKEND,
+			G_PARAM_READWRITE |
+			G_PARAM_CONSTRUCT_ONLY |
+			G_PARAM_STATIC_STRINGS));
+}
+
+static void
+e_mail_config_provider_page_alert_sink_init (EAlertSinkInterface *interface)
+{
+	interface->submit_alert = mail_config_provider_page_submit_alert;
+}
+
+static void
+e_mail_config_provider_page_interface_init (EMailConfigPageInterface *interface)
+{
+	interface->title = _("Receiving Options");
+	interface->sort_order = E_MAIL_CONFIG_PROVIDER_PAGE_SORT_ORDER;
+}
+
+static void
+e_mail_config_provider_page_init (EMailConfigProviderPage *page)
+{
+	page->priv = E_MAIL_CONFIG_PROVIDER_PAGE_GET_PRIVATE (page);
+}
+
+EMailConfigPage *
+e_mail_config_provider_page_new (EMailConfigServiceBackend *backend)
+{
+	g_return_val_if_fail (E_IS_MAIL_CONFIG_SERVICE_BACKEND (backend), NULL);
+
+	return g_object_new (
+		E_TYPE_MAIL_CONFIG_PROVIDER_PAGE,
+		"backend", backend, NULL);
+}
+
+gboolean
+e_mail_config_provider_page_is_empty (EMailConfigProviderPage *page)
+{
+	g_return_val_if_fail (E_IS_MAIL_CONFIG_PROVIDER_PAGE (page), TRUE);
+
+	return page->priv->is_empty;
+}
+
+EMailConfigServiceBackend *
+e_mail_config_provider_page_get_backend (EMailConfigProviderPage *page)
+{
+	g_return_val_if_fail (E_IS_MAIL_CONFIG_PROVIDER_PAGE (page), NULL);
+
+	return page->priv->backend;
+}
+
+EActivity *
+e_mail_config_provider_page_new_activity (EMailConfigProviderPage *page)
+{
+	EActivity *activity;
+	EActivityBar *activity_bar;
+	GCancellable *cancellable;
+
+	g_return_val_if_fail (E_IS_MAIL_CONFIG_PROVIDER_PAGE (page), NULL);
+
+	/* Clear any previous alerts. */
+	e_alert_bar_clear (E_ALERT_BAR (page->priv->alert_bar));
+
+	activity = e_activity_new ();
+
+	e_activity_set_alert_sink (activity, E_ALERT_SINK (page));
+
+	cancellable = camel_operation_new ();
+	e_activity_set_cancellable (activity, cancellable);
+	g_object_unref (cancellable);
+
+	activity_bar = E_ACTIVITY_BAR (page->priv->activity_bar);
+	e_activity_bar_set_activity (activity_bar, activity);
+
+	return activity;
+}
+