path: root/mail/em-account-editor.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/>
 *
 *
 * Authors:
 *      Dan Winship <danw@ximian.com>
 *      Jeffrey Stedfast <fejj@ximian.com>
 *      Michael Zucchi <notzed@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

/*
 * work before merge can occur:
 *
 * verify behaviour.
 * work out what to do with the startup assistant.
 *
 * also need to work out:
 * how to remove unecessary items from a service url once
 * configured (removing settings from other types).
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <glib/gi18n.h>
#include <glib/gstdio.h>

#include <string.h>
#include <stdarg.h>

#include <libedataserverui/e-passwords.h>

#include <shell/e-shell.h>

#include <e-util/e-util.h>
#include <libevolution-utils/e-alert-dialog.h>
#include <e-util/e-dialog-utils.h>
#include <e-util/e-util-private.h>

#include <libemail-utils/e-account-utils.h>
#include <libemail-utils/e-signature-list.h>
#include <libemail-utils/e-signature-utils.h>
#include <libemail-utils/mail-mt.h>

#include <libemail-engine/e-mail-folder-utils.h>
#include <libemail-engine/mail-ops.h>

#include <widgets/misc/e-auth-combo-box.h>
#include <widgets/misc/e-signature-editor.h>
#include <widgets/misc/e-port-entry.h>

#include "e-mail-account-store.h"
#include "e-mail-backend.h"
#include "e-mail-junk-options.h"
#include "e-mail-ui-session.h"
#include "em-account-editor.h"
#include "em-config.h"
#include "em-folder-selection-button.h"
#include "em-utils.h"
#include "mail-guess-servers.h"
#include "mail-send-recv.h"

#if defined (HAVE_NSS) && defined (ENABLE_SMIME)
#include <smime/gui/e-cert-selector.h>
#endif

#define EM_ACCOUNT_EDITOR_GET_PRIVATE(obj) \
    (G_TYPE_INSTANCE_GET_PRIVATE \
    ((obj), EM_TYPE_ACCOUNT_EDITOR, EMAccountEditorPrivate))

/* Option widgets whose sensitivity depends on another widget, such
 * as a checkbox being active, are indented to the right slightly for
 * better visual clarity.  This specifies how far to the right. */
#define INDENT_MARGIN 24

#define EM_ACCOUNT_EDITOR_GET_PRIVATE(obj) \
    (G_TYPE_INSTANCE_GET_PRIVATE \
    ((obj), EM_TYPE_ACCOUNT_EDITOR, EMAccountEditorPrivate))

#define d(x)

/* econfig item for the extra config hings */
struct _receive_options_item {
    EMConfigItem item;

    /* Only CAMEL_PROVIDER_CONF_ENTRYs GtkEntrys are stored here.
     * The auto-detect camel provider code will probably be removed */
    GHashTable *extra_table;
};

typedef struct _EMAccountEditorService {
    EMAccountEditor *emae;  /* parent pointer, for callbacks */

    /* NOTE: keep all widgets together, first frame last check_dialog */
    GtkWidget *frame;
    GtkWidget *container;

    GtkComboBox *providers;

    GtkLabel *description;
    GtkLabel *hostlabel;
    GtkEntry *hostname;
    GtkLabel *portlabel;
    EPortEntry *port;
    GtkLabel *userlabel;
    GtkEntry *username;
    GtkLabel *pathlabel;
    GtkWidget *pathentry;

    GtkWidget *ssl_frame;
    GtkComboBox *use_ssl;
    GtkWidget *ssl_hbox;
    GtkWidget *no_ssl;

    GtkWidget *auth_frame;
    GtkComboBox *authtype;

    GtkWidget *authitem;
    GtkToggleButton *remember;
    GtkButton *check_supported;
    GtkToggleButton *needs_auth;
    gboolean requires_auth;

    GCancellable *checking;
    GtkWidget *check_dialog;

    const gchar *protocol;
    CamelProviderType type;
    CamelSettings *settings;

    gboolean visible_auth;
    gboolean visible_host;
    gboolean visible_path;
    gboolean visible_port;
    gboolean visible_user;
} EMAccountEditorService;

struct _EMAccountEditorPrivate {

    EMailBackend *backend;
    EAccount *modified_account;
    EAccount *original_account;
    gboolean new_account;

    struct _EMConfig *config;
    GList *providers;

    /* signatures */
    GtkComboBox *signatures_dropdown;
    guint sig_added_id;
    guint sig_removed_id;
    guint sig_changed_id;
    const gchar *sig_uid;

    /* incoming mail */
    EMAccountEditorService source;

    /* extra incoming config */
    CamelProvider *extra_provider;
    GSList *extra_items;    /* this is freed by the econfig automatically */

    /* outgoing mail */
    EMAccountEditorService transport;

    /* account management */
    GtkEntry *identity_entries[5];
    GtkToggleButton *default_account;
    GtkWidget *management_frame;

    /* special folders */
    GtkButton *drafts_folder_button;
    GtkButton *sent_folder_button;
    GtkToggleButton *trash_folder_check;
    GtkButton *trash_folder_button;
    GtkToggleButton *junk_folder_check;
    GtkButton *junk_folder_button;
    GtkButton *restore_folders_button;

    /* Security */
    GtkEntry *pgp_key;
    GtkToggleButton *pgp_encrypt_to_self;
    GtkToggleButton *pgp_always_sign;
    GtkToggleButton *pgp_no_imip_sign;
    GtkToggleButton *pgp_always_trust;

    GtkToggleButton *smime_sign_default;
    GtkEntry *smime_sign_key;
    GtkButton *smime_sign_key_select;
    GtkButton *smime_sign_key_clear;
    GtkButton *smime_sign_select;
    GtkToggleButton *smime_encrypt_default;
    GtkToggleButton *smime_encrypt_to_self;
    GtkEntry *smime_encrypt_key;
    GtkButton *smime_encrypt_key_select;
    GtkButton *smime_encrypt_key_clear;

    /* Review */
    GtkLabel *review_name;
    GtkLabel *review_email;
    GtkLabel *send_name;
    GtkLabel *send_stype;
    GtkLabel *send_saddress;
    GtkLabel *send_encryption;
    GtkLabel *receive_name;
    GtkLabel *receive_stype;
    GtkLabel *receive_saddress;
    GtkLabel *receive_encryption;
    GtkWidget *review_box;

    /* google and yahoo specific data*/
    gboolean is_gmail;
    gboolean is_yahoo;

    GtkWidget *calendar;
    GtkWidget *gcontacts;
    GtkWidget *info_label;

    GtkWidget *account_label;
    GtkWidget *gmail_link;
    GtkWidget *yahoo_cal_box;
    GtkWidget *yahoo_cal_entry;

    /* for e-config callbacks, each page sets up its widgets, then they are dealed out by the get_widget callback in order*/
    GHashTable *widgets;

    /* for assistant page preparation */
    guint identity_set : 1;
    guint receive_set : 1;
    guint receive_opt_set : 1;
    guint send_set : 1;
    guint review_set : 1;

    ServerData *selected_server;
};

enum {
    PROP_0,
    PROP_BACKEND,
    PROP_MODIFIED_ACCOUNT,
    PROP_ORIGINAL_ACCOUNT,
    PROP_STORE_PROVIDER,
    PROP_STORE_REQUIRES_AUTH,
    PROP_STORE_SETTINGS,
    PROP_STORE_VISIBLE_AUTH,
    PROP_STORE_VISIBLE_HOST,
    PROP_STORE_VISIBLE_PATH,
    PROP_STORE_VISIBLE_PORT,
    PROP_STORE_VISIBLE_USER,
    PROP_TRANSPORT_PROVIDER,
    PROP_TRANSPORT_REQUIRES_AUTH,
    PROP_TRANSPORT_SETTINGS,
    PROP_TRANSPORT_VISIBLE_AUTH,
    PROP_TRANSPORT_VISIBLE_HOST,
    PROP_TRANSPORT_VISIBLE_PATH,
    PROP_TRANSPORT_VISIBLE_PORT,
    PROP_TRANSPORT_VISIBLE_USER
};

static void em_account_editor_construct (EMAccountEditor *emae, EMAccountEditorType type, const gchar *id);
static void emae_account_folder_changed (EMFolderSelectionButton *folder, EMAccountEditor *emae);

G_DEFINE_TYPE (EMAccountEditor, em_account_editor, G_TYPE_OBJECT)

static void
emae_config_gone_cb (gpointer pemae,
                     GObject *pconfig)
{
    EMAccountEditor *emae = pemae;
    struct _EMConfig *config = (struct _EMConfig *) pconfig;

    if (!emae)
        return;

    if (emae->config == config)
        emae->config = NULL;

    if (emae->priv && emae->priv->config == config)
        emae->priv->config = NULL;
}

static void
emae_config_target_changed_cb (EMAccountEditor *emae)
{
    e_config_target_changed (
        (EConfig *) emae->config,
        E_CONFIG_TARGET_CHANGED_STATE);
}

static gint
emae_provider_compare (const CamelProvider *p1,
                       const CamelProvider *p2)
{
    /* The "none" provider comes first. */
    if (g_strcmp0 (p1->protocol, "none") == 0)
        return -1;
    if (g_strcmp0 (p2->protocol, "none") == 0)
        return 1;

    /* Then sort remote providers before local providers. */
    if (p1->flags & CAMEL_PROVIDER_IS_REMOTE) {
        if (p2->flags & CAMEL_PROVIDER_IS_REMOTE)
            return 0;
        return -1;
    } else {
        if (p2->flags & CAMEL_PROVIDER_IS_REMOTE)
            return 1;
        return 0;
    }
}

static GList *
emae_list_providers (void)
{
    GList *list, *link;
    GQueue trash = G_QUEUE_INIT;

    list = camel_provider_list (TRUE);
    list = g_list_sort (list, (GCompareFunc) emae_provider_compare);

    /* Keep only providers with a "mail" or "news" domain. */

    for (link = list; link != NULL; link = g_list_next (link)) {
        CamelProvider *provider = link->data;
        gboolean mail_or_news_domain;

        mail_or_news_domain =
            (g_strcmp0 (provider->domain, "mail") == 0) ||
            (g_strcmp0 (provider->domain, "news") == 0);

        if (mail_or_news_domain)
            continue;

        g_queue_push_tail (&trash, link);
    }

    while ((link = g_queue_pop_head (&trash)) != NULL)
        list = g_list_remove_link (list, link);

    return list;
}

static void
emae_set_original_account (EMAccountEditor *emae,
                           EAccount *original_account)
{
    EAccount *modified_account;

    g_return_if_fail (emae->priv->original_account == NULL);

    /* Editing an existing account. */
    if (original_account != NULL) {
        gchar *xml;

        xml = e_account_to_xml (original_account);
        modified_account = e_account_new_from_xml (xml);
        g_free (xml);

        g_object_ref (original_account);
        if (emae->type != EMAE_PAGES)
            emae->do_signature = TRUE;

        /* thus the emae_setup_service() will pick protocols from the account */
        emae->priv->source.protocol = NULL;
        emae->priv->transport.protocol = NULL;

    /* Creating a new account. */
    } else {
        modified_account = e_account_new ();
        modified_account->enabled = TRUE;
        emae->priv->new_account = TRUE;
    }

    emae->priv->original_account = original_account;
    emae->priv->modified_account = modified_account;
}

static void
emae_set_backend (EMAccountEditor *emae,
                  EMailBackend *backend)
{
    g_return_if_fail (E_IS_MAIL_BACKEND (backend));
    g_return_if_fail (emae->priv->backend == NULL);

    emae->priv->backend = g_object_ref (backend);
}

static CamelProvider *
emae_get_store_provider (EMAccountEditor *emae)
{
    CamelProvider *provider = NULL;
    const gchar *protocol;

    protocol = emae->priv->source.protocol;

    if (protocol != NULL)
        provider = camel_provider_get (protocol, NULL);

    return provider;
}

static gboolean
emae_get_store_requires_auth (EMAccountEditor *emae)
{
    return emae->priv->source.requires_auth;
}

static void
emae_set_store_requires_auth (EMAccountEditor *emae,
                              gboolean requires_auth)
{
    emae->priv->source.requires_auth = requires_auth;

    g_object_notify (G_OBJECT (emae), "store-requires-auth");
}

static CamelSettings *
emae_get_store_settings (EMAccountEditor *emae)
{
    return emae->priv->source.settings;
}

static void
emae_set_store_settings (EMAccountEditor *emae,
                         CamelSettings *settings)
{
    if (settings != NULL)
        g_object_ref (settings);

    if (emae->priv->source.settings != NULL) {
        g_signal_handlers_disconnect_by_func (
            emae->priv->source.settings,
            emae_config_target_changed_cb, emae);
        g_object_unref (emae->priv->source.settings);
    }

    emae->priv->source.settings = settings;

    g_object_notify (G_OBJECT (emae), "store-settings");
}

static gboolean
emae_get_store_visible_auth (EMAccountEditor *emae)
{
    return emae->priv->source.visible_auth;
}

static void
emae_set_store_visible_auth (EMAccountEditor *emae,
                             gboolean visible_auth)
{
    emae->priv->source.visible_auth = visible_auth;

    g_object_notify (G_OBJECT (emae), "store-visible-auth");
}

static gboolean
emae_get_store_visible_host (EMAccountEditor *emae)
{
    return emae->priv->source.visible_host;
}

static void
emae_set_store_visible_host (EMAccountEditor *emae,
                             gboolean visible_host)
{
    emae->priv->source.visible_host = visible_host;

    g_object_notify (G_OBJECT (emae), "store-visible-host");
}

static gboolean
emae_get_store_visible_path (EMAccountEditor *emae)
{
    return emae->priv->source.visible_path;
}

static void
emae_set_store_visible_path (EMAccountEditor *emae,
                             gboolean visible_path)
{
    emae->priv->source.visible_path = visible_path;

    g_object_notify (G_OBJECT (emae), "store-visible-path");
}

static gboolean
emae_get_store_visible_port (EMAccountEditor *emae)
{
    return emae->priv->source.visible_port;
}

static void
emae_set_store_visible_port (EMAccountEditor *emae,
                             gboolean visible_port)
{
    emae->priv->source.visible_port = visible_port;

    g_object_notify (G_OBJECT (emae), "store-visible-port");
}

static gboolean
emae_get_store_visible_user (EMAccountEditor *emae)
{
    return emae->priv->source.visible_user;
}

static void
emae_set_store_visible_user (EMAccountEditor *emae,
                             gboolean visible_user)
{
    emae->priv->source.visible_user = visible_user;

    g_object_notify (G_OBJECT (emae), "store-visible-user");
}

static CamelProvider *
emae_get_transport_provider (EMAccountEditor *emae)
{
    CamelProvider *provider = NULL;
    const gchar *protocol;

    protocol = emae->priv->transport.protocol;

    if (protocol != NULL)
        provider = camel_provider_get (protocol, NULL);

    return provider;
}

static gboolean
emae_get_transport_requires_auth (EMAccountEditor *emae)
{
    return emae->priv->transport.requires_auth;
}

static void
emae_set_transport_requires_auth (EMAccountEditor *emae,
                                  gboolean requires_auth)
{
    emae->priv->transport.requires_auth = requires_auth;

    g_object_notify (G_OBJECT (emae), "transport-requires-auth");
}

static CamelSettings *
emae_get_transport_settings (EMAccountEditor *emae)
{
    return emae->priv->transport.settings;
}

static void
emae_set_transport_settings (EMAccountEditor *emae,
                             CamelSettings *settings)
{
    if (settings != NULL)
        g_object_ref (settings);

    if (emae->priv->transport.settings != NULL) {
        g_signal_handlers_disconnect_by_func (
            emae->priv->transport.settings,
            emae_config_target_changed_cb, emae);
        g_object_unref (emae->priv->transport.settings);
    }

    emae->priv->transport.settings = settings;

    g_object_notify (G_OBJECT (emae), "transport-settings");
}

static gboolean
emae_get_transport_visible_auth (EMAccountEditor *emae)
{
    return emae->priv->transport.visible_auth;
}

static void
emae_set_transport_visible_auth (EMAccountEditor *emae,
                                 gboolean visible_auth)
{
    emae->priv->transport.visible_auth = visible_auth;

    g_object_notify (G_OBJECT (emae), "transport-visible-auth");
}

static gboolean
emae_get_transport_visible_host (EMAccountEditor *emae)
{
    return emae->priv->transport.visible_host;
}

static void
emae_set_transport_visible_host (EMAccountEditor *emae,
                                 gboolean visible_host)
{
    emae->priv->transport.visible_host = visible_host;

    g_object_notify (G_OBJECT (emae), "transport-visible-host");
}

static gboolean
emae_get_transport_visible_path (EMAccountEditor *emae)
{
    return emae->priv->transport.visible_path;
}

static void
emae_set_transport_visible_path (EMAccountEditor *emae,
                                 gboolean visible_path)
{
    emae->priv->transport.visible_path = visible_path;

    g_object_notify (G_OBJECT (emae), "transport-visible-path");
}

static gboolean
emae_get_transport_visible_port (EMAccountEditor *emae)
{
    return emae->priv->transport.visible_port;
}

static void
emae_set_transport_visible_port (EMAccountEditor *emae,
                                 gboolean visible_port)
{
    emae->priv->transport.visible_port = visible_port;

    g_object_notify (G_OBJECT (emae), "transport-visible-port");
}

static gboolean
emae_get_transport_visible_user (EMAccountEditor *emae)
{
    return emae->priv->transport.visible_user;
}

static void
emae_set_transport_visible_user (EMAccountEditor *emae,
                                 gboolean visible_user)
{
    emae->priv->transport.visible_user = visible_user;

    g_object_notify (G_OBJECT (emae), "transport-visible-user");
}

static void
emae_set_property (GObject *object,
                   guint property_id,
                   const GValue *value,
                   GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_BACKEND:
            emae_set_backend (
                EM_ACCOUNT_EDITOR (object),
                g_value_get_object (value));
            return;

        case PROP_ORIGINAL_ACCOUNT:
            emae_set_original_account (
                EM_ACCOUNT_EDITOR (object),
                g_value_get_object (value));
            return;

        case PROP_STORE_REQUIRES_AUTH:
            emae_set_store_requires_auth (
                EM_ACCOUNT_EDITOR (object),
                g_value_get_boolean (value));
            return;

        case PROP_STORE_SETTINGS:
            emae_set_store_settings (
                EM_ACCOUNT_EDITOR (object),
                g_value_get_object (value));
            return;

        case PROP_STORE_VISIBLE_AUTH:
            emae_set_store_visible_auth (
                EM_ACCOUNT_EDITOR (object),
                g_value_get_boolean (value));
            return;

        case PROP_STORE_VISIBLE_HOST:
            emae_set_store_visible_host (
                EM_ACCOUNT_EDITOR (object),
                g_value_get_boolean (value));
            return;

        case PROP_STORE_VISIBLE_PATH:
            emae_set_store_visible_path (
                EM_ACCOUNT_EDITOR (object),
                g_value_get_boolean (value));
            return;

        case PROP_STORE_VISIBLE_PORT:
            emae_set_store_visible_port (
                EM_ACCOUNT_EDITOR (object),
                g_value_get_boolean (value));
            return;

        case PROP_STORE_VISIBLE_USER:
            emae_set_store_visible_user (
                EM_ACCOUNT_EDITOR (object),
                g_value_get_boolean (value));
            return;

        case PROP_TRANSPORT_REQUIRES_AUTH:
            emae_set_transport_requires_auth (
                EM_ACCOUNT_EDITOR (object),
                g_value_get_boolean (value));
            return;

        case PROP_TRANSPORT_SETTINGS:
            emae_set_transport_settings (
                EM_ACCOUNT_EDITOR (object),
                g_value_get_object (value));
            return;

        case PROP_TRANSPORT_VISIBLE_AUTH:
            emae_set_transport_visible_auth (
                EM_ACCOUNT_EDITOR (object),
                g_value_get_boolean (value));
            return;

        case PROP_TRANSPORT_VISIBLE_HOST:
            emae_set_transport_visible_host (
                EM_ACCOUNT_EDITOR (object),
                g_value_get_boolean (value));
            return;

        case PROP_TRANSPORT_VISIBLE_PATH:
            emae_set_transport_visible_path (
                EM_ACCOUNT_EDITOR (object),
                g_value_get_boolean (value));
            return;

        case PROP_TRANSPORT_VISIBLE_PORT:
            emae_set_transport_visible_port (
                EM_ACCOUNT_EDITOR (object),
                g_value_get_boolean (value));
            return;

        case PROP_TRANSPORT_VISIBLE_USER:
            emae_set_transport_visible_user (
                EM_ACCOUNT_EDITOR (object),
                g_value_get_boolean (value));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
emae_get_property (GObject *object,
                   guint property_id,
                   GValue *value,
                   GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_BACKEND:
            g_value_set_object (
                value,
                em_account_editor_get_backend (
                EM_ACCOUNT_EDITOR (object)));
            return;

        case PROP_MODIFIED_ACCOUNT:
            g_value_set_object (
                value,
                em_account_editor_get_modified_account (
                EM_ACCOUNT_EDITOR (object)));
            return;

        case PROP_ORIGINAL_ACCOUNT:
            g_value_set_object (
                value,
                em_account_editor_get_original_account (
                EM_ACCOUNT_EDITOR (object)));
            return;

        case PROP_STORE_PROVIDER:
            g_value_set_pointer (
                value,
                emae_get_store_provider (
                EM_ACCOUNT_EDITOR (object)));
            return;

        case PROP_STORE_REQUIRES_AUTH:
            g_value_set_boolean (
                value,
                emae_get_store_requires_auth (
                EM_ACCOUNT_EDITOR (object)));
            return;

        case PROP_STORE_SETTINGS:
            g_value_set_object (
                value,
                emae_get_store_settings (
                EM_ACCOUNT_EDITOR (object)));
            return;

        case PROP_STORE_VISIBLE_AUTH:
            g_value_set_boolean (
                value,
                emae_get_store_visible_auth (
                EM_ACCOUNT_EDITOR (object)));
            return;

        case PROP_STORE_VISIBLE_HOST:
            g_value_set_boolean (
                value,
                emae_get_store_visible_host (
                EM_ACCOUNT_EDITOR (object)));
            return;

        case PROP_STORE_VISIBLE_PATH:
            g_value_set_boolean (
                value,
                emae_get_store_visible_path (
                EM_ACCOUNT_EDITOR (object)));
            return;

        case PROP_STORE_VISIBLE_PORT:
            g_value_set_boolean (
                value,
                emae_get_store_visible_port (
                EM_ACCOUNT_EDITOR (object)));
            return;

        case PROP_STORE_VISIBLE_USER:
            g_value_set_boolean (
                value,
                emae_get_store_visible_user (
                EM_ACCOUNT_EDITOR (object)));
            return;

        case PROP_TRANSPORT_PROVIDER:
            g_value_set_pointer (
                value,
                emae_get_transport_provider (
                EM_ACCOUNT_EDITOR (object)));
            return;

        case PROP_TRANSPORT_REQUIRES_AUTH:
            g_value_set_boolean (
                value,
                emae_get_transport_requires_auth (
                EM_ACCOUNT_EDITOR (object)));
            return;

        case PROP_TRANSPORT_SETTINGS:
            g_value_set_object (
                value,
                emae_get_transport_settings (
                EM_ACCOUNT_EDITOR (object)));
            return;

        case PROP_TRANSPORT_VISIBLE_AUTH:
            g_value_set_boolean (
                value,
                emae_get_transport_visible_auth (
                EM_ACCOUNT_EDITOR (object)));
            return;

        case PROP_TRANSPORT_VISIBLE_HOST:
            g_value_set_boolean (
                value,
                emae_get_transport_visible_host (
                EM_ACCOUNT_EDITOR (object)));
            return;

        case PROP_TRANSPORT_VISIBLE_PATH:
            g_value_set_boolean (
                value,
                emae_get_transport_visible_path (
                EM_ACCOUNT_EDITOR (object)));
            return;

        case PROP_TRANSPORT_VISIBLE_PORT:
            g_value_set_boolean (
                value,
                emae_get_transport_visible_port (
                EM_ACCOUNT_EDITOR (object)));
            return;

        case PROP_TRANSPORT_VISIBLE_USER:
            g_value_set_boolean (
                value,
                emae_get_transport_visible_user (
                EM_ACCOUNT_EDITOR (object)));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
emae_dispose (GObject *object)
{
    EMAccountEditorPrivate *priv;

    priv = EM_ACCOUNT_EDITOR_GET_PRIVATE (object);

    if (priv->backend != NULL) {
        g_object_unref (priv->backend);
        priv->backend = NULL;
    }

    if (priv->modified_account != NULL) {
        g_signal_handlers_disconnect_by_func (
            priv->modified_account,
            emae_config_target_changed_cb, object);
        g_object_unref (priv->modified_account);
        priv->modified_account = NULL;
    }

    if (priv->original_account != NULL) {
        g_object_unref (priv->original_account);
        priv->original_account = NULL;
    }

    if (priv->source.settings != NULL) {
        g_signal_handlers_disconnect_by_func (
            priv->source.settings,
            emae_config_target_changed_cb, object);
        g_object_unref (priv->source.settings);
        priv->source.settings = NULL;
    }

    if (priv->transport.settings != NULL) {
        g_signal_handlers_disconnect_by_func (
            priv->transport.settings,
            emae_config_target_changed_cb, object);
        g_object_unref (priv->transport.settings);
        priv->transport.settings = NULL;
    }

    /* Chain up to parent's dispose() method. */
    G_OBJECT_CLASS (em_account_editor_parent_class)->dispose (object);
}

static void
emae_finalize (GObject *object)
{
    EMAccountEditor *emae = EM_ACCOUNT_EDITOR (object);
    EMAccountEditorPrivate *priv = emae->priv;

    if (priv->config)
        g_object_weak_unref ((GObject *) priv->config, emae_config_gone_cb, emae);

    if (priv->sig_added_id) {
        ESignatureList *signatures;

        signatures = e_get_signature_list ();
        g_signal_handler_disconnect (signatures, priv->sig_added_id);
        g_signal_handler_disconnect (signatures, priv->sig_removed_id);
        g_signal_handler_disconnect (signatures, priv->sig_changed_id);
    }

    g_list_free (priv->providers);

    /* Chain up to parent's finalize() method. */
    G_OBJECT_CLASS (em_account_editor_parent_class)->finalize (object);
}

static void
emae_constructed (GObject *object)
{
    EMAccountEditor *emae;

    emae = EM_ACCOUNT_EDITOR (object);

    /* Chain up to parent's constructed() method. */
    G_OBJECT_CLASS (em_account_editor_parent_class)->constructed (object);

    emae->priv->providers = emae_list_providers ();

    /* Set some defaults on the new account before we get started. */
    if (emae->priv->new_account) {
        EMailBackend *backend;
        EMailSession *session;

        backend = em_account_editor_get_backend (emae);
        session = e_mail_backend_get_session (backend);

        /* Pick local Drafts folder. */
        e_account_set_string (
            emae->priv->modified_account,
            E_ACCOUNT_DRAFTS_FOLDER_URI,
            e_mail_session_get_local_folder_uri (
            session, E_MAIL_LOCAL_FOLDER_DRAFTS));

        /* Pick local Sent folder. */
        e_account_set_string (
            emae->priv->modified_account,
            E_ACCOUNT_SENT_FOLDER_URI,
            e_mail_session_get_local_folder_uri (
            session, E_MAIL_LOCAL_FOLDER_SENT));

        /* Encrypt to self by default. */
        e_account_set_bool (
            emae->priv->modified_account,
            E_ACCOUNT_PGP_ENCRYPT_TO_SELF, TRUE);
        e_account_set_bool (
            emae->priv->modified_account,
            E_ACCOUNT_SMIME_ENCRYPT_TO_SELF, TRUE);
    }

    g_signal_connect_swapped (
        emae->priv->modified_account, "changed",
        G_CALLBACK (emae_config_target_changed_cb), emae);
}

static void
em_account_editor_class_init (EMAccountEditorClass *class)
{
    GObjectClass *object_class;

    g_type_class_add_private (class, sizeof (EMAccountEditorPrivate));

    object_class = G_OBJECT_CLASS (class);
    object_class->set_property = emae_set_property;
    object_class->get_property = emae_get_property;
    object_class->dispose = emae_dispose;
    object_class->finalize = emae_finalize;
    object_class->constructed = emae_constructed;

    g_object_class_install_property (
        object_class,
        PROP_BACKEND,
        g_param_spec_object (
            "backend",
            "Mail Backend",
            NULL,
            E_TYPE_MAIL_BACKEND,
            G_PARAM_READWRITE |
            G_PARAM_CONSTRUCT_ONLY |
            G_PARAM_STATIC_STRINGS));

    g_object_class_install_property (
        object_class,
        PROP_MODIFIED_ACCOUNT,
        g_param_spec_object (
            "modified-account",
            "Modified Account",
            NULL,
            E_TYPE_ACCOUNT,
            G_PARAM_READABLE |
            G_PARAM_STATIC_STRINGS));

    g_object_class_install_property (
        object_class,
        PROP_ORIGINAL_ACCOUNT,
        g_param_spec_object (
            "original-account",
            "Original Account",
            NULL,
            E_TYPE_ACCOUNT,
            G_PARAM_READWRITE |
            G_PARAM_CONSTRUCT_ONLY |
            G_PARAM_STATIC_STRINGS));

    g_object_class_install_property (
        object_class,
        PROP_STORE_PROVIDER,
        g_param_spec_pointer (
            "store-provider",
            "Store Provider",
            "CamelProvider for the storage service",
            G_PARAM_READABLE |
            G_PARAM_STATIC_STRINGS));

    g_object_class_install_property (
        object_class,
        PROP_STORE_REQUIRES_AUTH,
        g_param_spec_boolean (
            "store-requires-auth",
            "Store Requires Auth",
            "Storage service requires authentication",
            TRUE,
            G_PARAM_READWRITE |
            G_PARAM_CONSTRUCT |
            G_PARAM_STATIC_STRINGS));

    g_object_class_install_property (
        object_class,
        PROP_STORE_SETTINGS,
        g_param_spec_object (
            "store-settings",
            "Store Settings",
            "CamelSettings for the storage service",
            CAMEL_TYPE_SETTINGS,
            G_PARAM_READWRITE |
            G_PARAM_STATIC_STRINGS));

    g_object_class_install_property (
        object_class,
        PROP_STORE_VISIBLE_AUTH,
        g_param_spec_boolean (
            "store-visible-auth",
            "Store Visible Auth",
            "Show auth widgets for the storage service",
            TRUE,
            G_PARAM_READWRITE |
            G_PARAM_CONSTRUCT |
            G_PARAM_STATIC_STRINGS));

    g_object_class_install_property (
        object_class,
        PROP_STORE_VISIBLE_HOST,
        g_param_spec_boolean (
            "store-visible-host",
            "Store Visible Host",
            "Show host widgets for the storage service",
            TRUE,
            G_PARAM_READWRITE |
            G_PARAM_CONSTRUCT |
            G_PARAM_STATIC_STRINGS));

    g_object_class_install_property (
        object_class,
        PROP_STORE_VISIBLE_PATH,
        g_param_spec_boolean (
            "store-visible-path",
            "Store Visible Path",
            "Show path widgets for the storage service",
            FALSE,
            G_PARAM_READWRITE |
            G_PARAM_CONSTRUCT |
            G_PARAM_STATIC_STRINGS));

    g_object_class_install_property (
        object_class,
        PROP_STORE_VISIBLE_PORT,
        g_param_spec_boolean (
            "store-visible-port",
            "Store Visible Port",
            "Show port widgets for the storage service",
            TRUE,
            G_PARAM_READWRITE |
            G_PARAM_CONSTRUCT |
            G_PARAM_STATIC_STRINGS));

    g_object_class_install_property (
        object_class,
        PROP_STORE_VISIBLE_USER,
        g_param_spec_boolean (
            "store-visible-user",
            "Store Visible User",
            "Show user widgets for the storage service",
            TRUE,
            G_PARAM_READWRITE |
            G_PARAM_CONSTRUCT |
            G_PARAM_STATIC_STRINGS));

    g_object_class_install_property (
        object_class,
        PROP_TRANSPORT_PROVIDER,
        g_param_spec_pointer (
            "transport-provider",
            "Transport Provider",
            "CamelProvider for the transport service",
            G_PARAM_READABLE |
            G_PARAM_STATIC_STRINGS));

    g_object_class_install_property (
        object_class,
        PROP_TRANSPORT_REQUIRES_AUTH,
        g_param_spec_boolean (
            "transport-requires-auth",
            "Transport Requires Auth",
            "Transport service requires authentication",
            FALSE,
            G_PARAM_READWRITE |
            G_PARAM_CONSTRUCT |
            G_PARAM_STATIC_STRINGS));

    g_object_class_install_property (
        object_class,
        PROP_TRANSPORT_SETTINGS,
        g_param_spec_object (
            "transport-settings",
            "Transport Settings",
            "CamelSettings for the transport service",
            CAMEL_TYPE_SETTINGS,
            G_PARAM_READWRITE |
            G_PARAM_STATIC_STRINGS));

    g_object_class_install_property (
        object_class,
        PROP_TRANSPORT_VISIBLE_AUTH,
        g_param_spec_boolean (
            "transport-visible-auth",
            "Transport Visible Auth",
            "Show auth widgets for the transport service",
            TRUE,
            G_PARAM_READWRITE |
            G_PARAM_CONSTRUCT |
            G_PARAM_STATIC_STRINGS));

    g_object_class_install_property (
        object_class,
        PROP_TRANSPORT_VISIBLE_HOST,
        g_param_spec_boolean (
            "transport-visible-host",
            "Transport Visible Host",
            "Show host widgets for the transport service",
            TRUE,
            G_PARAM_READWRITE |
            G_PARAM_CONSTRUCT |
            G_PARAM_STATIC_STRINGS));

    g_object_class_install_property (
        object_class,
        PROP_TRANSPORT_VISIBLE_PATH,
        g_param_spec_boolean (
            "transport-visible-path",
            "Transport Visible Path",
            "Show path widgets for the transport service",
            FALSE,
            G_PARAM_READWRITE |
            G_PARAM_CONSTRUCT |
            G_PARAM_STATIC_STRINGS));

    g_object_class_install_property (
        object_class,
        PROP_TRANSPORT_VISIBLE_PORT,
        g_param_spec_boolean (
            "transport-visible-port",
            "Transport Visible Port",
            "Show port widgets for the transport service",
            TRUE,
            G_PARAM_READWRITE |
            G_PARAM_CONSTRUCT |
            G_PARAM_STATIC_STRINGS));

    g_object_class_install_property (
        object_class,
        PROP_TRANSPORT_VISIBLE_USER,
        g_param_spec_boolean (
            "transport-visible-user",
            "Transport Visible User",
            "Show user widgets for the transport service",
            TRUE,
            G_PARAM_READWRITE |
            G_PARAM_CONSTRUCT |
            G_PARAM_STATIC_STRINGS));
}

static void
em_account_editor_init (EMAccountEditor *emae)
{
    emae->priv = EM_ACCOUNT_EDITOR_GET_PRIVATE (emae);

    emae->priv->selected_server = NULL;
    emae->priv->source.emae = emae;
    emae->priv->transport.emae = emae;
    emae->priv->widgets = g_hash_table_new (g_str_hash, g_str_equal);

    /* Pick default storage and transport protocols. */
    emae->priv->source.protocol = "imapx";
    emae->priv->transport.protocol = "smtp";

    emae->priv->is_gmail = FALSE;
    emae->priv->is_yahoo = FALSE;
}

/**
 * em_account_editor_new:
 * @account:
 * @type:
 *
 * Create a new account editor.  If @account is NULL then this is to
 * create a new account, else @account is copied to a working
 * structure and is for editing an existing account.
 *
 * Return value:
 **/
EMAccountEditor *
em_account_editor_new (EAccount *account,
                       EMAccountEditorType type,
                       EMailBackend *backend,
                       const gchar *id)
{
    EMAccountEditor *emae;

    g_return_val_if_fail (E_IS_MAIL_BACKEND (backend), NULL);

    emae = g_object_new (
        EM_TYPE_ACCOUNT_EDITOR,
        "original-account", account,
        "backend", backend, NULL);

    em_account_editor_construct (emae, type, id);

    return emae;
}

/**
 * em_account_editor_new_for_pages:
 * @account:
 * @type:
 *
 * Create a new account editor.  If @account is NULL then this is to
 * create a new account, else @account is copied to a working
 * structure and is for editing an existing account.
 *
 * Return value:
 **/
EMAccountEditor *
em_account_editor_new_for_pages (EAccount *account,
                                 EMAccountEditorType type,
                                 EMailBackend *backend,
                                 const gchar *id,
                                 GtkWidget **pages)
{
    EMAccountEditor *emae;

    g_return_val_if_fail (E_IS_MAIL_BACKEND (backend), NULL);

    emae = g_object_new (
        EM_TYPE_ACCOUNT_EDITOR,
        "original-account", account,
        "backend", backend, NULL);

    emae->pages = pages;
    em_account_editor_construct (emae, type, id);

    return emae;
}

EMailBackend *
em_account_editor_get_backend (EMAccountEditor *emae)
{
    g_return_val_if_fail (EM_IS_ACCOUNT_EDITOR (emae), NULL);

    return emae->priv->backend;
}

EAccount *
em_account_editor_get_modified_account (EMAccountEditor *emae)
{
    g_return_val_if_fail (EM_IS_ACCOUNT_EDITOR (emae), NULL);

    return emae->priv->modified_account;
}

EAccount *
em_account_editor_get_original_account (EMAccountEditor *emae)
{
    g_return_val_if_fail (EM_IS_ACCOUNT_EDITOR (emae), NULL);

    return emae->priv->original_account;
}

/* ********************************************************************** */

static gboolean
is_email (const gchar *address)
{
    /* This is supposed to check if the address's domain could be
     * an FQDN but alas, it's not worth the pain and suffering. */
    const gchar *at;

    at = strchr (address, '@');
    /* make sure we have an '@' and that it's not the first or last gchar */
    if (!at || at == address || *(at + 1) == '\0')
        return FALSE;

    return TRUE;
}

static CamelURL *
emae_account_url (EMAccountEditor *emae,
                  gint urlid)
{
    EAccount *account;
    CamelURL *url = NULL;
    const gchar *uri;

    account = em_account_editor_get_modified_account (emae);
    uri = e_account_get_string (account, urlid);

    /* XXX Stupid hack for these stupid transport-only accounts.
     *     We've been saving these as invalid URI strings all this
     *     time; no protocol, just "//...".  Catch it and fix it. */
    if (uri != NULL && g_str_has_prefix (uri, "//"))
        return camel_url_new ("none:", NULL);

    if (uri != NULL && *uri != '\0')
        url = camel_url_new (uri, NULL);

    if (url == NULL) {
        url = camel_url_new ("dummy:", NULL);
        camel_url_set_protocol (url, NULL);
    }

    return url;
}

/* ********************************************************************** */

static void
default_folders_clicked (GtkButton *button,
                         gpointer user_data)
{
    EMAccountEditor *emae = user_data;
    EMFolderSelectionButton *folder_button;
    EMailBackend *backend;
    EMailSession *session;
    const gchar *folder_uri;

    backend = em_account_editor_get_backend (emae);
    session = e_mail_backend_get_session (backend);

    folder_button =
        EM_FOLDER_SELECTION_BUTTON (
        emae->priv->drafts_folder_button);
    folder_uri = e_mail_session_get_local_folder_uri (
        session, E_MAIL_LOCAL_FOLDER_DRAFTS);
    em_folder_selection_button_set_folder_uri (folder_button, folder_uri);
    emae_account_folder_changed (folder_button, emae);

    folder_button =
        EM_FOLDER_SELECTION_BUTTON (
        emae->priv->sent_folder_button);
    folder_uri = e_mail_session_get_local_folder_uri (
        session, E_MAIL_LOCAL_FOLDER_SENT);
    em_folder_selection_button_set_folder_uri (folder_button, folder_uri);
    emae_account_folder_changed (folder_button, emae);

    gtk_toggle_button_set_active (emae->priv->trash_folder_check, FALSE);
    gtk_toggle_button_set_active (emae->priv->junk_folder_check, FALSE);
}

/* The camel provider auto-detect interface should be deprecated.
 * But it still needs to be replaced with something of similar functionality.
 * Just using the normal econfig plugin mechanism should be adequate. */
static void
emae_auto_detect_free (gpointer key,
                       gpointer value,
                       gpointer user_data)
{
    g_free (key);
    g_free (value);
}

static void
emae_auto_detect (EMAccountEditor *emae)
{
    EMAccountEditorPrivate *priv = emae->priv;
    EMAccountEditorService *service = &priv->source;
    CamelProvider *provider;
    GHashTable *auto_detected;
    GSList *l;
    CamelProviderConfEntry *entries;
    gchar *value;
    gint i;
    CamelURL *url;

    provider = camel_provider_get (service->protocol, NULL);

    if (provider == NULL || provider->extra_conf == NULL)
        return;

    entries = provider->extra_conf;

    d (printf ("Running auto-detect\n"));

    url = emae_account_url (emae, E_ACCOUNT_SOURCE_URL);
    camel_provider_auto_detect (provider, url, &auto_detected, NULL);
    camel_url_free (url);

    if (auto_detected == NULL) {
        d (printf (" no values detected\n"));
        return;
    }

    for (i = 0; entries[i].type != CAMEL_PROVIDER_CONF_END; i++) {
        struct _receive_options_item *item;
        GtkWidget *w;

        if (entries[i].name == NULL
            || (value = g_hash_table_lookup (auto_detected, entries[i].name)) == NULL)
            continue;

        /* only 2 providers use this, and they only do it for 3 entries only */
        g_return_if_fail (entries[i].type == CAMEL_PROVIDER_CONF_ENTRY);

        w = NULL;
        for (l = emae->priv->extra_items; l; l = g_slist_next (l)) {
            item = l->data;
            if (item->extra_table && (w = g_hash_table_lookup (item->extra_table, entries[i].name)))
                break;
        }

        gtk_entry_set_text ((GtkEntry *)w, value?value:"");
    }

    g_hash_table_foreach (auto_detected, emae_auto_detect_free, NULL);
    g_hash_table_destroy (auto_detected);
}

static void
emae_signature_added (ESignatureList *signatures,
                      ESignature *sig,
                      EMAccountEditor *emae)
{
    GtkTreeModel *model;
    GtkTreeIter iter;
    const gchar *name;
    const gchar *uid;

    name = e_signature_get_name (sig);
    uid = e_signature_get_uid (sig);

    model = gtk_combo_box_get_model (emae->priv->signatures_dropdown);

    gtk_list_store_append ((GtkListStore *) model, &iter);
    gtk_list_store_set ((GtkListStore *) model, &iter, 0, name, 1, uid, -1);

    gtk_combo_box_set_active (
        emae->priv->signatures_dropdown,
        gtk_tree_model_iter_n_children (model, NULL) - 1);
}

static gint
emae_signature_get_iter (EMAccountEditor *emae,
                         ESignature *sig,
                         GtkTreeModel **modelp,
                         GtkTreeIter *iter)
{
    GtkTreeModel *model;
    gint found = 0;

    model = gtk_combo_box_get_model (emae->priv->signatures_dropdown);
    *modelp = model;
    if (!gtk_tree_model_get_iter_first (model, iter))
        return FALSE;

    do {
        const gchar *signature_uid;
        gchar *uid;

        signature_uid = e_signature_get_uid (sig);

        gtk_tree_model_get (model, iter, 1, &uid, -1);
        if (uid && !strcmp (uid, signature_uid))
            found = TRUE;
        g_free (uid);
    } while (!found && gtk_tree_model_iter_next (model, iter));

    return found;
}

static void
emae_signature_removed (ESignatureList *signatures,
                        ESignature *sig,
                        EMAccountEditor *emae)
{
    GtkTreeIter iter;
    GtkTreeModel *model;

    if (emae_signature_get_iter (emae, sig, &model, &iter))
        gtk_list_store_remove ((GtkListStore *) model, &iter);
}

static void
emae_signature_changed (ESignatureList *signatures,
                        ESignature *sig,
                        EMAccountEditor *emae)
{
    GtkTreeIter iter;
    GtkTreeModel *model;
    const gchar *name;

    name = e_signature_get_name (sig);

    if (emae_signature_get_iter (emae, sig, &model, &iter))
        gtk_list_store_set ((GtkListStore *) model, &iter, 0, name, -1);
}

static void
emae_signaturetype_changed (GtkComboBox *dropdown,
                            EMAccountEditor *emae)
{
    EAccount *account;
    gint id = gtk_combo_box_get_active (dropdown);
    GtkTreeModel *model;
    GtkTreeIter iter;
    gchar *uid = NULL;

    account = em_account_editor_get_modified_account (emae);

    if (id != -1) {
        model = gtk_combo_box_get_model (dropdown);
        if (gtk_tree_model_iter_nth_child (model, &iter, NULL, id))
            gtk_tree_model_get (model, &iter, 1, &uid, -1);
    }

    e_account_set_string (account, E_ACCOUNT_ID_SIGNATURE, uid);
    g_free (uid);
}

static void
emae_signature_new (GtkWidget *widget,
                    EMAccountEditor *emae)
{
    GtkWidget *editor;
    gpointer parent;

    parent = gtk_widget_get_toplevel (widget);
    parent = gtk_widget_is_toplevel (parent) ? parent : NULL;

    editor = e_signature_editor_new ();
    gtk_window_set_transient_for (GTK_WINDOW (editor), parent);
    gtk_widget_show (editor);
}

static GtkWidget *
emae_setup_signatures (EMAccountEditor *emae,
                       GtkBuilder *builder)
{
    EMAccountEditorPrivate *p = emae->priv;
    EAccount *account;
    GtkComboBox *dropdown = (GtkComboBox *)e_builder_get_widget (builder, "signature_dropdown");
    GtkCellRenderer *cell = gtk_cell_renderer_text_new ();
    GtkListStore *store;
    gint i, active = 0;
    GtkTreeIter iter;
    ESignatureList *signatures;
    EIterator *it;
    const gchar *current;
    GtkWidget *button;

    account = em_account_editor_get_modified_account (emae);
    current = e_account_get_string (account, E_ACCOUNT_ID_SIGNATURE);

    emae->priv->signatures_dropdown = dropdown;
    gtk_widget_show ((GtkWidget *) dropdown);

    store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_STRING);

    gtk_list_store_append (store, &iter);
    /* Translators: "None" as an option for a default signature of an account, part of "Signature: None" */
    gtk_list_store_set (store, &iter, 0, C_("mail-signature", "None"), 1, NULL, -1);

    signatures = e_get_signature_list ();

    if (p->sig_added_id == 0) {
        p->sig_added_id = g_signal_connect (
            signatures, "signature-added",
            G_CALLBACK (emae_signature_added), emae);
        p->sig_removed_id = g_signal_connect (
            signatures, "signature-removed",
            G_CALLBACK (emae_signature_removed), emae);
        p->sig_changed_id = g_signal_connect (
            signatures, "signature-changed",
            G_CALLBACK (emae_signature_changed), emae);
    }

    /* we need to count the 'none' entry before using the index */
    i = 1;
    it = e_list_get_iterator ((EList *) signatures);
    while (e_iterator_is_valid (it)) {
        ESignature *sig = (ESignature *) e_iterator_get (it);
        const gchar *name;
        const gchar *uid;

        name = e_signature_get_name (sig);
        uid = e_signature_get_uid (sig);

        gtk_list_store_append (store, &iter);
        gtk_list_store_set (store, &iter, 0, name, 1, uid, -1);

        if (current && !strcmp (current, uid))
            active = i;

        e_iterator_next (it);
        i++;
    }
    g_object_unref (it);

    gtk_cell_layout_pack_start ((GtkCellLayout *) dropdown, cell, TRUE);
    gtk_cell_layout_set_attributes ((GtkCellLayout *)dropdown, cell, "text", 0, NULL);

    gtk_combo_box_set_model (dropdown, (GtkTreeModel *) store);
    gtk_combo_box_set_active (dropdown, active);

    g_signal_connect (
        dropdown, "changed",
        G_CALLBACK (emae_signaturetype_changed), emae);

    button = e_builder_get_widget (builder, "sigAddNew");
    g_signal_connect (
        button, "clicked",
        G_CALLBACK (emae_signature_new), emae);

    return (GtkWidget *) dropdown;
}

static void
emae_receipt_policy_changed (GtkComboBox *dropdown,
                             EMAccountEditor *emae)
{
    EAccount *account;
    gint id = gtk_combo_box_get_active (dropdown);
    GtkTreeModel *model;
    GtkTreeIter iter;
    EAccountReceiptPolicy policy;

    account = em_account_editor_get_modified_account (emae);

    if (id != -1) {
        model = gtk_combo_box_get_model (dropdown);
        if (gtk_tree_model_iter_nth_child (model, &iter, NULL, id)) {
            gtk_tree_model_get (model, &iter, 1, &policy, -1);
            e_account_set_int (account, E_ACCOUNT_RECEIPT_POLICY, policy);
        }
    }
}

static GtkWidget *
emae_setup_receipt_policy (EMAccountEditor *emae,
                           GtkBuilder *builder)
{
    EAccount *account;
    GtkComboBox *dropdown = (GtkComboBox *)e_builder_get_widget (builder, "receipt_policy_dropdown");
    GtkListStore *store;
    GtkCellRenderer *cell;
    gint i = 0, active = 0;
    GtkTreeIter iter;
    EAccountReceiptPolicy current;
    static struct {
        EAccountReceiptPolicy policy;
        const gchar *label;
    } receipt_policies[] = {
        { E_ACCOUNT_RECEIPT_NEVER,  N_("Never") },
        { E_ACCOUNT_RECEIPT_ALWAYS, N_("Always") },
        { E_ACCOUNT_RECEIPT_ASK,    N_("Ask for each message") }
    };

    account = em_account_editor_get_modified_account (emae);
    current = account->receipt_policy;

    gtk_widget_show ((GtkWidget *) dropdown);

    store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT);

    for (i = 0; i < 3; ++i) {
        gtk_list_store_append (store, &iter);
        gtk_list_store_set (store, &iter,
                    0, _(receipt_policies[i].label),
                    1, receipt_policies[i].policy,
                    -1);
        if (current == receipt_policies[i].policy)
            active = i;
    }

    gtk_combo_box_set_model (dropdown, (GtkTreeModel *) store);

    cell = gtk_cell_renderer_text_new ();
    gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (dropdown), cell, TRUE);
    gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (dropdown), cell, "text", 0, NULL);

    gtk_combo_box_set_active (dropdown, active);

    g_signal_connect (
        dropdown, "changed",
        G_CALLBACK (emae_receipt_policy_changed), emae);

    return (GtkWidget *) dropdown;
}

static void
emae_account_entry_changed (GtkEntry *entry,
                            EMAccountEditor *emae)
{
    EAccount *account;
    gchar *text;
    gpointer data;

    account = em_account_editor_get_modified_account (emae);
    data = g_object_get_data (G_OBJECT (entry), "account-item");
    text = g_strdup (gtk_entry_get_text (entry));

    g_strstrip (text);

    e_account_set_string (account, GPOINTER_TO_INT (data), text);

    g_free (text);
}

static GtkEntry *
emae_account_entry (EMAccountEditor *emae,
                    const gchar *name,
                    gint item,
                    GtkBuilder *builder)
{
    EAccount *account;
    GtkEntry *entry;
    const gchar *text;

    account = em_account_editor_get_modified_account (emae);
    entry = (GtkEntry *) e_builder_get_widget (builder, name);
    text = e_account_get_string (account, item);
    if (text)
        gtk_entry_set_text (entry, text);
    g_object_set_data ((GObject *)entry, "account-item", GINT_TO_POINTER(item));
    g_signal_connect (
        entry, "changed",
        G_CALLBACK (emae_account_entry_changed), emae);

    return entry;
}

static void
emae_account_toggle_changed (GtkToggleButton *toggle,
                             EMAccountEditor *emae)
{
    EAccount *account;
    gboolean active;
    gpointer data;

    account = em_account_editor_get_modified_account (emae);
    data = g_object_get_data (G_OBJECT (toggle), "account-item");
    active = gtk_toggle_button_get_active (toggle);

    e_account_set_bool (account, GPOINTER_TO_INT (data), active);
}

static void
emae_account_toggle_widget (EMAccountEditor *emae,
                            GtkToggleButton *toggle,
                            gint item)
{
    EAccount *account;
    gboolean active;

    account = em_account_editor_get_modified_account (emae);

    active = e_account_get_bool (account, item);
    gtk_toggle_button_set_active (toggle, active);

    g_object_set_data (
        G_OBJECT (toggle), "account-item",
        GINT_TO_POINTER (item));

    g_signal_connect (
        toggle, "toggled",
        G_CALLBACK (emae_account_toggle_changed), emae);
}

static GtkToggleButton *
emae_account_toggle (EMAccountEditor *emae,
                     const gchar *name,
                     gint item,
                     GtkBuilder *builder)
{
    GtkToggleButton *toggle;

    toggle = (GtkToggleButton *) e_builder_get_widget (builder, name);
    emae_account_toggle_widget (emae, toggle, item);

    return toggle;
}

static void
emae_account_spinint_changed (GtkSpinButton *spin,
                              EMAccountEditor *emae)
{
    EAccount *account;
    gpointer data;
    gint value;

    account = em_account_editor_get_modified_account (emae);
    data = g_object_get_data (G_OBJECT (spin), "account-item");
    value = gtk_spin_button_get_value (spin);

    e_account_set_int (account, GPOINTER_TO_INT (data), value);
}

static void
emae_account_spinint_widget (EMAccountEditor *emae,
                             GtkSpinButton *spin,
                             gint item)
{
    EAccount *account;
    gint v_int;

    account = em_account_editor_get_modified_account (emae);

    v_int = e_account_get_int (account, item);
    gtk_spin_button_set_value (spin, v_int);

    g_object_set_data (
        G_OBJECT (spin), "account-item",
        GINT_TO_POINTER (item));

    g_signal_connect (
        spin, "value-changed",
        G_CALLBACK (emae_account_spinint_changed), emae);
}

static void
emae_account_folder_changed (EMFolderSelectionButton *folder,
                             EMAccountEditor *emae)
{
    EAccount *account;
    gpointer data;
    const gchar *selection;

    account = em_account_editor_get_modified_account (emae);
    data = g_object_get_data (G_OBJECT (folder), "account-item");
    selection = em_folder_selection_button_get_folder_uri (folder);

    e_account_set_string (account, GPOINTER_TO_INT (data), selection);
}

static EMFolderSelectionButton *
emae_account_folder (EMAccountEditor *emae,
                     const gchar *name,
                     gint item,
                     gint deffolder,
                     GtkBuilder *builder)
{
    EAccount *account;
    EMFolderSelectionButton *folder;
    EMailBackend *backend;
    EMailSession *session;
    const gchar *uri;

    account = em_account_editor_get_modified_account (emae);
    backend = em_account_editor_get_backend (emae);
    session = e_mail_backend_get_session (backend);

    folder = (EMFolderSelectionButton *) e_builder_get_widget (builder, name);
    em_folder_selection_button_set_session (folder, session);

    uri = e_account_get_string (account, item);
    if (uri != NULL) {
        em_folder_selection_button_set_folder_uri (folder, uri);
    } else {
        uri = e_mail_session_get_local_folder_uri (session, deffolder);
        em_folder_selection_button_set_folder_uri (folder, uri);
    }

    g_object_set_data ((GObject *)folder, "account-item", GINT_TO_POINTER(item));
    g_object_set_data ((GObject *)folder, "folder-default", GINT_TO_POINTER(deffolder));
    g_signal_connect (
        folder, "selected",
        G_CALLBACK (emae_account_folder_changed), emae);
    gtk_widget_show ((GtkWidget *) folder);

    return folder;
}

#if defined (HAVE_NSS) && defined (ENABLE_SMIME)
static void
smime_changed (EMAccountEditor *emae)
{
    EMAccountEditorPrivate *priv = emae->priv;
    gint act;
    const gchar *tmp;

    tmp = gtk_entry_get_text (priv->smime_sign_key);
    act = tmp && tmp[0];
    gtk_widget_set_sensitive ((GtkWidget *) priv->smime_sign_key_clear, act);
    gtk_widget_set_sensitive ((GtkWidget *) priv->smime_sign_default, act);
    if (!act)
        gtk_toggle_button_set_active (priv->smime_sign_default, FALSE);

    tmp = gtk_entry_get_text (priv->smime_encrypt_key);
    act = tmp && tmp[0];
    gtk_widget_set_sensitive ((GtkWidget *) priv->smime_encrypt_key_clear, act);
    gtk_widget_set_sensitive ((GtkWidget *) priv->smime_encrypt_default, act);
    gtk_widget_set_sensitive ((GtkWidget *) priv->smime_encrypt_to_self, act);
    if (!act) {
        gtk_toggle_button_set_active (priv->smime_encrypt_default, FALSE);
    }
}

static void
smime_sign_key_selected (GtkWidget *dialog,
                         const gchar *key,
                         EMAccountEditor *emae)
{
    EMAccountEditorPrivate *priv = emae->priv;

    if (key != NULL) {
        gtk_entry_set_text (priv->smime_sign_key, key);
        smime_changed (emae);
    }

    gtk_widget_destroy (dialog);
}

static void
smime_sign_key_select (GtkWidget *button,
                       EMAccountEditor *emae)
{
    EMAccountEditorPrivate *priv = emae->priv;
    GtkWidget *w;

    w = e_cert_selector_new (E_CERT_SELECTOR_SIGNER, gtk_entry_get_text (priv->smime_sign_key));
    gtk_window_set_modal ((GtkWindow *) w, TRUE);
    gtk_window_set_transient_for ((GtkWindow *) w, (GtkWindow *) gtk_widget_get_toplevel (button));
    g_signal_connect (
        w, "selected",
        G_CALLBACK (smime_sign_key_selected), emae);
    gtk_widget_show (w);
}

static void
smime_sign_key_clear (GtkWidget *w,
                      EMAccountEditor *emae)
{
    EMAccountEditorPrivate *priv = emae->priv;

    gtk_entry_set_text (priv->smime_sign_key, "");
    smime_changed (emae);
}

static void
smime_encrypt_key_selected (GtkWidget *dialog,
                            const gchar *key,
                            EMAccountEditor *emae)
{
    EMAccountEditorPrivate *priv = emae->priv;

    if (key != NULL) {
        gtk_entry_set_text (priv->smime_encrypt_key, key);
        smime_changed (emae);
    }

    gtk_widget_destroy (dialog);
}

static void
smime_encrypt_key_select (GtkWidget *button,
                          EMAccountEditor *emae)
{
    EMAccountEditorPrivate *priv = emae->priv;
    GtkWidget *w;

    w = e_cert_selector_new (E_CERT_SELECTOR_RECIPIENT, gtk_entry_get_text (priv->smime_encrypt_key));
    gtk_window_set_modal ((GtkWindow *) w, TRUE);
    gtk_window_set_transient_for ((GtkWindow *) w, (GtkWindow *) gtk_widget_get_toplevel (button));
    g_signal_connect (
        w, "selected",
        G_CALLBACK (smime_encrypt_key_selected), emae);
    gtk_widget_show (w);
}

static void
smime_encrypt_key_clear (GtkWidget *w,
                         EMAccountEditor *emae)
{
    EMAccountEditorPrivate *priv = emae->priv;

    gtk_entry_set_text (priv->smime_encrypt_key, "");
    smime_changed (emae);
}
#endif

/* This is used to map each of the two services in a typical account to
 * the widgets that represent each service.  i.e. the receiving (source)
 * service, and the sending (transport) service.  It is used throughout
 * the following code to drive each page. */
static struct _service_info {
    gint account_uri_key;
    gint save_passwd_key;

    const gchar *frame;
    const gchar *type_dropdown;

    const gchar *container;
    const gchar *description;
    const gchar *hostname;
    const gchar *hostlabel;
    const gchar *port;
    const gchar *portlabel;
    const gchar *username;
    const gchar *userlabel;
    const gchar *path;
    const gchar *pathlabel;
    const gchar *pathentry;

    const gchar *security_frame;
    const gchar *ssl_hbox;
    const gchar *use_ssl;
    const gchar *ssl_disabled;

    const gchar *needs_auth;
    const gchar *auth_frame;

    const gchar *authtype;
    const gchar *authtype_check;

    const gchar *remember_password;

} emae_service_info[CAMEL_NUM_PROVIDER_TYPES] = {

    { E_ACCOUNT_SOURCE_URL,
      E_ACCOUNT_SOURCE_SAVE_PASSWD,

      "source-config-section",
      "source_type_dropdown",

      "vboxSourceBorder",
      "source_description",
      "source_host",
      "source_host_label",
      "source_port",
      "source_port_label",
      "source_user",
      "source_user_label",
      "source_path",
      "source_path_label",
      "source_path_entry",

      "source-security-section",
      "source_ssl_hbox",
      "source_use_ssl",
      "source_ssl_disabled",

      NULL,
      "source-auth-section",

      "source_auth_dropdown",
      "source_check_supported",

      "source_remember_password"
    },

    { E_ACCOUNT_TRANSPORT_URL,
      E_ACCOUNT_TRANSPORT_SAVE_PASSWD,

      "transport-server-section",
      "transport_type_dropdown",

      "vboxTransportBorder",
      "transport_description",
      "transport_host",
      "transport_host_label",
      "transport_port",
      "transport_port_label",
      "transport_user",
      "transport_user_label",
      NULL,
      NULL,
      NULL,

      "transport-security-section",
      "transport_ssl_hbox",
      "transport_use_ssl",
      "transport_ssl_disabled",

      "transport_needs_auth",
      "transport-auth-section",

      "transport_auth_dropdown",
      "transport_check_supported",

      "transport_remember_password"
    }
};

static void
emae_file_chooser_changed (GtkFileChooser *file_chooser,
                           EMAccountEditorService *service)
{
    CamelLocalSettings *local_settings;
    const gchar *filename;

    local_settings = CAMEL_LOCAL_SETTINGS (service->settings);
    filename = gtk_file_chooser_get_filename (file_chooser);
    camel_local_settings_set_path (local_settings, filename);
}

static void
emae_ensure_auth_mechanism (CamelProvider *provider,
                            CamelSettings *settings)
{
    CamelServiceAuthType *auth_type;
    const gchar *auth_mechanism;

    auth_mechanism =
        camel_network_settings_get_auth_mechanism (
        CAMEL_NETWORK_SETTINGS (settings));

    /* If a mechanism name is already set, we're fine. */
    if (auth_mechanism != NULL)
        return;

    /* Check that the CamelProvider defines some auth mechanisms.
     * If not, it's reasonable to leave the mechanism name unset. */
    if (provider->authtypes == NULL)
        return;

    /* No authentication mechanism has been chosen, so we'll choose
     * one from the CamelProvider's list of available mechanisms. */

    auth_type = provider->authtypes->data;
    auth_mechanism = auth_type->authproto;

    camel_network_settings_set_auth_mechanism (
        CAMEL_NETWORK_SETTINGS (settings), auth_mechanism);
}

static void
emae_setup_settings (EMAccountEditorService *service)
{
    CamelServiceClass *class;
    CamelProvider *provider;
    CamelSettings *settings = NULL;
    GType service_type;
    GType settings_type;
    CamelURL *url;

    provider = camel_provider_get (service->protocol, NULL);
    g_return_if_fail (provider != NULL);

    service_type = provider->object_types[service->type];
    g_return_if_fail (g_type_is_a (service_type, CAMEL_TYPE_SERVICE));

    class = g_type_class_ref (service_type);
    settings_type = class->settings_type;
    g_type_class_unref (class);

    url = emae_account_url (
        service->emae,
        emae_service_info[service->type].account_uri_key);

    /* Destroy any old CamelSettings instances.
     * Changing CamelProviders invalidates them. */

    if (service->settings != NULL)
        camel_settings_save_to_url (service->settings, url);

    if (g_type_is_a (settings_type, CAMEL_TYPE_SETTINGS)) {
        settings = g_object_new (settings_type, NULL);
        camel_settings_load_from_url (settings, url);

        g_signal_connect_swapped (
            settings, "notify",
            G_CALLBACK (emae_config_target_changed_cb),
            service->emae);
    }

    camel_url_free (url);

    if (CAMEL_PROVIDER_IS_STORE_AND_TRANSPORT (provider)) {
        emae_set_store_settings (service->emae, settings);
        emae_set_transport_settings (service->emae, settings);

    } else if (service->type == CAMEL_PROVIDER_STORE) {
        emae_set_store_settings (service->emae, settings);

    } else if (service->type == CAMEL_PROVIDER_TRANSPORT) {
        emae_set_transport_settings (service->emae, settings);
    }

    if (CAMEL_IS_NETWORK_SETTINGS (settings)) {

        /* Even if the service does not need to authenticate, we
         * still need to initialize the auth mechanism combo box.
         * So if CamelSettings does not already have a mechanism
         * name set, choose one from the CamelProvider's list of
         * available auth mechanisms.  Later in emae_commit(),
         * if need be, we'll revert the setting back to NULL. */
        emae_ensure_auth_mechanism (provider, settings);

        g_object_bind_property (
            settings, "auth-mechanism",
            service->authtype, "active-id",
            G_BINDING_BIDIRECTIONAL |
            G_BINDING_SYNC_CREATE);

        g_object_bind_property (
            settings, "host",
            service->hostname, "text",
            G_BINDING_BIDIRECTIONAL |
            G_BINDING_SYNC_CREATE);

        g_object_bind_property_full (
            settings, "security-method",
            service->use_ssl, "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",
            service->port, "port",
            G_BINDING_BIDIRECTIONAL |
            G_BINDING_SYNC_CREATE);

        g_object_bind_property (
            settings, "security-method",
            service->port, "security-method",
            G_BINDING_SYNC_CREATE);

        g_object_bind_property (
            settings, "user",
            service->username, "text",
            G_BINDING_BIDIRECTIONAL |
            G_BINDING_SYNC_CREATE);
    }

    if (CAMEL_IS_LOCAL_SETTINGS (settings)) {
        const gchar *path;

        path = camel_local_settings_get_path (
            CAMEL_LOCAL_SETTINGS (settings));
        if (path != NULL && *path != '\0')
            gtk_file_chooser_set_filename (
                GTK_FILE_CHOOSER (service->pathentry), path);
    }

    g_object_unref (settings);
}

static void
emae_service_provider_changed (EMAccountEditorService *service)
{
    EConfig *config;
    EMConfigTargetSettings *target;
    CamelProvider *provider = NULL;
    const gchar *description;

    if (service->protocol != NULL)
        provider = camel_provider_get (service->protocol, NULL);

    description = (provider != NULL) ? provider->description : "";
    gtk_label_set_text (service->description, description);

    if (provider != NULL) {
        gboolean visible_auth;
        gboolean visible_host;
        gboolean visible_path;
        gboolean visible_port;
        gboolean visible_user;
        gboolean visible_ssl;
        gboolean allows;
        gboolean hidden;

        emae_setup_settings (service);

        gtk_widget_show (service->frame);

        allows = CAMEL_PROVIDER_ALLOWS (provider, CAMEL_URL_PART_AUTH);
        hidden = CAMEL_PROVIDER_HIDDEN (provider, CAMEL_URL_PART_AUTH);
        visible_auth = (allows && !hidden);

        allows = CAMEL_PROVIDER_ALLOWS (provider, CAMEL_URL_PART_HOST);
        hidden = CAMEL_PROVIDER_HIDDEN (provider, CAMEL_URL_PART_HOST);
        visible_host = (allows && !hidden);

        allows = CAMEL_PROVIDER_ALLOWS (provider, CAMEL_URL_PART_PATH);
        hidden = CAMEL_PROVIDER_HIDDEN (provider, CAMEL_URL_PART_PATH);
        visible_path = (allows && !hidden);

        allows = CAMEL_PROVIDER_ALLOWS (provider, CAMEL_URL_PART_PORT);
        hidden = CAMEL_PROVIDER_HIDDEN (provider, CAMEL_URL_PART_PORT);
        visible_port = (allows && !hidden);

        allows = CAMEL_PROVIDER_ALLOWS (provider, CAMEL_URL_PART_USER);
        hidden = CAMEL_PROVIDER_HIDDEN (provider, CAMEL_URL_PART_USER);
        visible_user = (allows && !hidden);

        switch (service->type) {
            case CAMEL_PROVIDER_STORE:
                g_object_set (
                    service->emae,
                    "store-visible-auth", visible_auth,
                    "store-visible-host", visible_host,
                    "store-visible-path", visible_path,
                    "store-visible-port", visible_port,
                    "store-visible-user", visible_user,
                    NULL);
                break;

            case CAMEL_PROVIDER_TRANSPORT:
                g_object_set (
                    service->emae,
                    "transport-visible-auth", visible_auth,
                    "transport-visible-host", visible_host,
                    "transport-visible-path", visible_path,
                    "transport-visible-port", visible_port,
                    "transport-visible-user", visible_user,
                    NULL);
                break;

            default:
                g_warn_if_reached ();
        }

        if (CAMEL_PROVIDER_ALLOWS (provider, CAMEL_URL_PART_AUTH)) {
            if (service->needs_auth && !CAMEL_PROVIDER_NEEDS (provider, CAMEL_URL_PART_AUTH))
                gtk_widget_show ((GtkWidget *) service->needs_auth);
        } else {
            if (service->needs_auth)
                gtk_widget_hide ((GtkWidget *) service->needs_auth);
        }
#ifdef HAVE_SSL
        visible_ssl =
            (provider->flags & CAMEL_PROVIDER_SUPPORTS_SSL);
        gtk_widget_set_visible (service->ssl_frame, visible_ssl);
        gtk_widget_set_visible (service->ssl_hbox, visible_ssl);
        gtk_widget_hide (service->no_ssl);
#else
        gtk_widget_hide (service->ssl_hbox);
        gtk_widget_show (service->no_ssl);
#endif
    } else {
        gtk_widget_hide (service->frame);
        gtk_widget_hide (service->auth_frame);
        gtk_widget_hide (service->ssl_frame);
    }

    /* Update the EConfigTarget so it has the latest CamelSettings. */

    config = E_CONFIG (service->emae->priv->config);
    target = (EMConfigTargetSettings *) config->target;

    em_config_target_update_settings (
        config, target,
        service->emae->priv->modified_account->id->address,
        service->emae->priv->source.protocol,
        service->emae->priv->source.settings,
        service->emae->priv->transport.protocol,
        service->emae->priv->transport.settings);
}

static void
emae_provider_changed (GtkComboBox *combo_box,
                       EMAccountEditorService *service)
{
    const gchar *active_protocol;

    active_protocol = gtk_combo_box_get_active_id (combo_box);

    if (g_strcmp0 (active_protocol, service->protocol) == 0)
        return;

    service->protocol = active_protocol;

    switch (service->type) {
        case CAMEL_PROVIDER_STORE:
            g_object_notify (
                G_OBJECT (service->emae),
                "store-provider");
            break;
        case CAMEL_PROVIDER_TRANSPORT:
            g_object_notify (
                G_OBJECT (service->emae),
                "transport-provider");
            break;
        default:
            g_warn_if_reached ();
    }

    emae_service_provider_changed (service);

    e_config_target_changed (
        (EConfig *) service->emae->priv->config,
        E_CONFIG_TARGET_CHANGED_REBUILD);
}

static void
emae_refresh_providers (EMAccountEditor *emae,
                        EMAccountEditorService *service)
{
    GtkComboBoxText *combo_box;
    GList *link;

    combo_box = GTK_COMBO_BOX_TEXT (service->providers);

    g_signal_handlers_block_by_func (
        combo_box, emae_provider_changed, service);

    gtk_combo_box_text_remove_all (combo_box);

    for (link = emae->priv->providers; link != NULL; link = link->next) {
        CamelProvider *provider = link->data;

        /* FIXME This expression is awesomely unreadable! */
        if (!(provider->object_types[service->type]
              && (service->type != CAMEL_PROVIDER_STORE ||
             (provider->flags & CAMEL_PROVIDER_IS_SOURCE) != 0))
            /* hardcode not showing providers who's transport is done in the store */
            || (service->type == CAMEL_PROVIDER_TRANSPORT
            && CAMEL_PROVIDER_IS_STORE_AND_TRANSPORT (provider)))
            continue;

        gtk_combo_box_text_append (
            combo_box,
            provider->protocol,
            provider->name);
    }

    g_signal_handlers_unblock_by_func (
        combo_box, emae_provider_changed, service);

    gtk_combo_box_set_active_id (
        GTK_COMBO_BOX (combo_box), service->protocol);

    /* make sure at least something is selected;
     * this applies for cases when user changed from provider which was
     * store and transport together, to a store provider only (like from
     * exchange to imap provider), which left unselected transport type
    */
    if (gtk_combo_box_get_active (GTK_COMBO_BOX (combo_box)) == -1)
        gtk_combo_box_set_active (GTK_COMBO_BOX (combo_box), 0);
}

static void
emae_authtype_changed (GtkComboBox *combo_box,
                       EMAccountEditorService *service)
{
    CamelServiceAuthType *authtype = NULL;
    const gchar *mechanism;
    gboolean sensitive = FALSE;

    mechanism = gtk_combo_box_get_active_id (combo_box);

    if (mechanism != NULL && *mechanism != '\0') {
        authtype = camel_sasl_authtype (mechanism);
        g_warn_if_fail (authtype != NULL);
    }

    sensitive = (authtype == NULL) || (authtype->need_password);
    gtk_widget_set_sensitive (GTK_WIDGET (service->remember), sensitive);
}

static void emae_check_authtype (GtkWidget *w, EMAccountEditorService *service);

static void
emae_check_authtype_done (CamelService *camel_service,
                          GAsyncResult *result,
                          EMAccountEditorService *service)
{
    EMailBackend *backend;
    EMailSession *session;
    GtkWidget *editor;
    GList *available_authtypes;
    GError *error = NULL;

    available_authtypes = camel_service_query_auth_types_finish (
        camel_service, result, &error);

    editor = NULL;
    if (service->emae && service->emae->config && E_IS_CONFIG (service->emae->config))
        editor = E_CONFIG (service->emae->config)->window;

    if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
        g_warn_if_fail (available_authtypes == NULL);
        g_error_free (error);

    } else if (error != NULL) {
        g_warn_if_fail (available_authtypes == NULL);
        if (service->check_dialog)
            e_alert_run_dialog_for_args (
                GTK_WINDOW (service->check_dialog),
                "mail:checking-service-error",
                error->message, NULL);
        g_error_free (error);

    } else {
        e_auth_combo_box_update_available (
            E_AUTH_COMBO_BOX (service->authtype),
            available_authtypes);
        g_list_free (available_authtypes);
    }

    if (service->check_dialog) {
        g_object_weak_unref (G_OBJECT (service->check_dialog), (GWeakNotify) g_nullify_pointer, &service->check_dialog);
        gtk_widget_destroy (service->check_dialog);
    }
    service->check_dialog = NULL;

    if (editor != NULL)
        gtk_widget_set_sensitive (editor, TRUE);

    backend = em_account_editor_get_backend (service->emae);
    session = e_mail_backend_get_session (backend);

    /* drop the temporary CamelService */
    camel_session_remove_service (
        CAMEL_SESSION (session), camel_service);

    g_object_unref (service->emae);
}

static void
emae_check_authtype_response (GtkDialog *dialog,
                              gint button,
                              GCancellable *cancellable)
{
    g_cancellable_cancel (cancellable);
}

static void
emae_check_authtype (GtkWidget *w,
                     EMAccountEditorService *service)
{
    CamelService *camel_service;
    EMailBackend *backend;
    EMailSession *session;
    GtkWidget *editor;
    gpointer parent;
    gchar *uid;
    GError *error = NULL;

    editor = E_CONFIG (service->emae->config)->window;

    backend = em_account_editor_get_backend (service->emae);
    session = e_mail_backend_get_session (backend);

    uid = g_strdup_printf ("emae-check-authtype-%p", service);

    /* to test on actual data, not on previously used */
    camel_service = camel_session_add_service (
        CAMEL_SESSION (session), uid,
        service->protocol, service->type, &error);

    g_free (uid);

    if (camel_service != NULL && service->settings != NULL)
        camel_service_set_settings (camel_service, service->settings);

    if (editor != NULL)
        parent = gtk_widget_get_toplevel (editor);
    else
        parent = gtk_widget_get_toplevel (w);

    if (error) {
        e_alert_run_dialog_for_args (
            parent, "mail:checking-service-error",
            error->message, NULL);
        g_clear_error (&error);
        return;
    }

    g_return_if_fail (CAMEL_IS_SERVICE (camel_service));

    if (service->checking != NULL) {
        g_cancellable_cancel (service->checking);
        g_object_unref (service->checking);
    }

    service->checking = g_cancellable_new ();

    service->check_dialog = e_alert_dialog_new_for_args (
        parent, "mail:checking-service", NULL);
    g_object_weak_ref (G_OBJECT (service->check_dialog), (GWeakNotify) g_nullify_pointer, &service->check_dialog);

    g_object_ref (service->emae);

    camel_service_query_auth_types (
        camel_service, G_PRIORITY_DEFAULT,
        service->checking, (GAsyncReadyCallback)
        emae_check_authtype_done, service);

    g_signal_connect (
        service->check_dialog, "response",
        G_CALLBACK (emae_check_authtype_response),
        service->checking);

    gtk_widget_show (service->check_dialog);

    if (editor != NULL)
        gtk_widget_set_sensitive (editor, FALSE);
}

static void
emae_setup_service (EMAccountEditor *emae,
                    EMAccountEditorService *service,
                    GtkBuilder *builder)
{
    struct _service_info *info = &emae_service_info[service->type];
    gboolean requires_auth;
    CamelProvider *provider = NULL;
    CamelURL *url;

    url = emae_account_url (emae, info->account_uri_key);

    if (!service->protocol) {
        /* GtkComboBox internalizes ID strings, which for the provider
         * combo box are protocol names.  So we'll do the same here. */
        if (url != NULL && url->protocol != NULL)
            service->protocol = g_intern_string (url->protocol);

        if (!service->protocol)
            service->protocol = "none";
    }

    requires_auth = url && url->authmech != NULL;

    camel_url_free (url);

    if (service->protocol != NULL)
        provider = camel_provider_get (service->protocol, NULL);

    /* Extract all widgets we need from the builder file. */

    service->frame = e_builder_get_widget (builder, info->frame);
    service->container = e_builder_get_widget (builder, info->container);
    service->description = GTK_LABEL (e_builder_get_widget (builder, info->description));
    service->hostname = GTK_ENTRY (e_builder_get_widget (builder, info->hostname));
    service->hostlabel = (GtkLabel *) e_builder_get_widget (builder, info->hostlabel);
    service->port = E_PORT_ENTRY (e_builder_get_widget (builder, info->port));
    service->portlabel = (GtkLabel *) e_builder_get_widget (builder, info->portlabel);
    service->username = GTK_ENTRY (e_builder_get_widget (builder, info->username));
    service->userlabel = (GtkLabel *) e_builder_get_widget (builder, info->userlabel);
    if (info->pathentry) {
        service->pathlabel = (GtkLabel *) e_builder_get_widget (builder, info->pathlabel);
        service->pathentry = e_builder_get_widget (builder, info->pathentry);
    }

    service->ssl_frame = e_builder_get_widget (builder, info->security_frame);
    gtk_widget_hide (service->ssl_frame);
    service->ssl_hbox = e_builder_get_widget (builder, info->ssl_hbox);
    service->use_ssl = (GtkComboBox *) e_builder_get_widget (builder, info->use_ssl);
    service->no_ssl = e_builder_get_widget (builder, info->ssl_disabled);

    service->auth_frame = e_builder_get_widget (builder, info->auth_frame);
    service->check_supported = (GtkButton *) e_builder_get_widget (builder, info->authtype_check);
    service->authtype = (GtkComboBox *) e_builder_get_widget (builder, info->authtype);
    service->providers = (GtkComboBox *) e_builder_get_widget (builder, info->type_dropdown);

    /* XXX GtkComboBoxText, when loaded from a GtkBuilder file,
     *     needs further manual configuration to be fully usable.
     *     Particularly the ID column has to be set explicitly.
     *     https://bugzilla.gnome.org/show_bug.cgi?id=612396#c53 */
    g_object_set (
        service->providers,
        "entry-text-column", 0,
        "id-column", 1, NULL);

    service->remember = emae_account_toggle (emae, info->remember_password, info->save_passwd_key, builder);

    if (info->needs_auth) {
        service->needs_auth = (GtkToggleButton *) e_builder_get_widget (builder, info->needs_auth);
    } else {
        service->needs_auth = NULL;
    }

    g_signal_connect (
        service->providers, "changed",
        G_CALLBACK (emae_provider_changed), service);

    if (GTK_IS_FILE_CHOOSER (service->pathentry))
        g_signal_connect (
            service->pathentry, "selection-changed",
            G_CALLBACK (emae_file_chooser_changed), service);

    g_signal_connect (
        service->authtype, "changed",
        G_CALLBACK (emae_authtype_changed), service);

    g_signal_connect (
        service->check_supported, "clicked",
        G_CALLBACK (emae_check_authtype), service);

    switch (service->type) {
        case CAMEL_PROVIDER_STORE:
            g_object_bind_property (
                emae, "store-provider",
                service->authtype, "provider",
                G_BINDING_SYNC_CREATE);

            if (service->needs_auth != NULL) {
                g_object_set (emae, "store-requires-auth", requires_auth, NULL);
                g_object_bind_property (
                    emae, "store-requires-auth",
                    service->needs_auth, "active",
                    G_BINDING_BIDIRECTIONAL |
                    G_BINDING_SYNC_CREATE);
                g_object_bind_property (
                    emae, "store-requires-auth",
                    service->auth_frame, "sensitive",
                    G_BINDING_SYNC_CREATE);
            }

            g_object_bind_property (
                emae, "store-visible-auth",
                service->auth_frame, "visible",
                G_BINDING_SYNC_CREATE);

            g_object_bind_property (
                emae, "store-visible-host",
                service->hostname, "visible",
                G_BINDING_SYNC_CREATE);

            g_object_bind_property (
                emae, "store-visible-host",
                service->hostlabel, "visible",
                G_BINDING_SYNC_CREATE);

            g_object_bind_property (
                emae, "store-visible-path",
                service->pathentry, "visible",
                G_BINDING_SYNC_CREATE);

            g_object_bind_property (
                emae, "store-visible-path",
                service->pathlabel, "visible",
                G_BINDING_SYNC_CREATE);

            g_object_bind_property (
                emae, "store-visible-port",
                service->port, "visible",
                G_BINDING_SYNC_CREATE);

            g_object_bind_property (
                emae, "store-visible-port",
                service->portlabel, "visible",
                G_BINDING_SYNC_CREATE);

            g_object_bind_property (
                emae, "store-visible-user",
                service->username, "visible",
                G_BINDING_SYNC_CREATE);

            g_object_bind_property (
                emae, "store-visible-user",
                service->userlabel, "visible",
                G_BINDING_SYNC_CREATE);

            break;

        case CAMEL_PROVIDER_TRANSPORT:
            g_object_bind_property (
                emae, "transport-provider",
                service->authtype, "provider",
                G_BINDING_SYNC_CREATE);

            if (service->needs_auth != NULL) {
                g_object_set (emae, "transport-requires-auth", requires_auth, NULL);
                g_object_bind_property (
                    emae, "transport-requires-auth",
                    service->needs_auth, "active",
                    G_BINDING_BIDIRECTIONAL |
                    G_BINDING_SYNC_CREATE);
                g_object_bind_property (
                    emae, "transport-requires-auth",
                    service->auth_frame, "sensitive",
                    G_BINDING_SYNC_CREATE);
            }

            g_object_bind_property (
                emae, "transport-visible-auth",
                service->auth_frame, "visible",
                G_BINDING_SYNC_CREATE);

            g_object_bind_property (
                emae, "transport-visible-host",
                service->hostname, "visible",
                G_BINDING_SYNC_CREATE);

            g_object_bind_property (
                emae, "transport-visible-host",
                service->hostlabel, "visible",
                G_BINDING_SYNC_CREATE);

            g_object_bind_property (
                emae, "transport-visible-port",
                service->port, "visible",
                G_BINDING_SYNC_CREATE);

            g_object_bind_property (
                emae, "transport-visible-port",
                service->portlabel, "visible",
                G_BINDING_SYNC_CREATE);

            g_object_bind_property (
                emae, "transport-visible-user",
                service->username, "visible",
                G_BINDING_SYNC_CREATE);

            g_object_bind_property (
                emae, "transport-visible-user",
                service->userlabel, "visible",
                G_BINDING_SYNC_CREATE);

            break;

        default:
            g_warn_if_reached ();
    }

    if (service->pathentry) {
        GtkFileChooserAction action;
        gboolean need_path_dir;
        const gchar *label;

        need_path_dir =
            (provider == NULL) ||
            ((provider->url_flags & CAMEL_URL_NEED_PATH_DIR) != 0);

        if (need_path_dir) {
            action = GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER;
            label = _("_Path:");
        } else {
            action = GTK_FILE_CHOOSER_ACTION_OPEN;
            label = _("Fil_e:");
        }

        if (service->pathlabel)
            gtk_label_set_text_with_mnemonic (
                GTK_LABEL (service->pathlabel), label);

        if (action != gtk_file_chooser_get_action (GTK_FILE_CHOOSER (service->pathentry)))
            gtk_file_chooser_set_action (GTK_FILE_CHOOSER (service->pathentry), action);
    }

    /* old authtype will be destroyed when we exit */
    emae_refresh_providers (emae, service);

    if (provider != NULL && provider->port_entries) {
        e_port_entry_set_camel_entries (
            service->port, provider->port_entries);

        /* update also port in settings, because it's not bind yet */
        if (service->settings && CAMEL_IS_NETWORK_SETTINGS (service->settings)) {
            camel_network_settings_set_port (
                CAMEL_NETWORK_SETTINGS (service->settings),
                e_port_entry_get_port (service->port));
        }
    }

    emae_service_provider_changed (service);
}

static GtkWidget *
emae_create_basic_assistant_page (EMAccountEditor *emae,
                                  GtkAssistant *assistant,
                                  const gchar *page_id,
                                  gint position)
{
    const gchar *title = NULL, *label = NULL;
    GtkAssistantPageType page_type = GTK_ASSISTANT_PAGE_CONTENT;
    GtkWidget *vbox, *lbl;
    gboolean fill_space = FALSE;

    g_return_val_if_fail (page_id != NULL, NULL);

    if (g_ascii_strcasecmp (page_id, "start_page") == 0) {
        page_type = GTK_ASSISTANT_PAGE_INTRO;
        fill_space = TRUE;
        title = _("Mail Configuration");
        label = _("Welcome to the Evolution Mail Configuration Assistant.\n\nClick \"Continue\" to begin.");
    } else if (g_ascii_strcasecmp (page_id, "identity_page") == 0) {
        title = _("Identity");
        label = _("Please enter your name and email address below. The \"optional\" fields below do not need to be filled in, unless you wish to include this information in email you send.");
    } else if (g_ascii_strcasecmp (page_id, "source_page") == 0) {
        title = _("Receiving Email");
        label = _("Please configure the following account settings.");
    } else if (g_ascii_strcasecmp (page_id, "transport_page") == 0) {
        title = _("Sending Email");
        label = _("Please enter information about the way you will send mail. If you are not sure, ask your system administrator or Internet Service Provider.");
    } else if (g_ascii_strcasecmp (page_id, "review_page") == 0) {
        title = _("Account Summary");
        label = _("This is a summary of the settings which will be used to access your mail.");
    } else if (g_ascii_strcasecmp (page_id, "finish_page") == 0) {
        page_type = GTK_ASSISTANT_PAGE_CONFIRM;
        fill_space = TRUE;
        title = _("Done");
        label = _("Congratulations, your mail configuration is complete.\n\nYou are now ready to send and receive email using Evolution.\n\nClick \"Apply\" to save your settings.");
    } else {
        g_return_val_if_reached (NULL);
    }

    vbox = gtk_vbox_new (FALSE, 12);
    gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
    gtk_widget_show (vbox);

    lbl = gtk_label_new (label);
    gtk_label_set_line_wrap (GTK_LABEL (lbl), TRUE);
    gtk_misc_set_alignment (GTK_MISC (lbl), 0.0, 0.5);
    gtk_box_pack_start (GTK_BOX (vbox), lbl, fill_space, fill_space, 0);
    gtk_widget_show (lbl);

    if (g_ascii_strcasecmp (page_id, "start_page") == 0)
        g_hash_table_insert (emae->priv->widgets, (gchar *)"start_page_label", lbl);

    gtk_assistant_insert_page (assistant, vbox, position);
    gtk_assistant_set_page_title (assistant, vbox, title);
    gtk_assistant_set_page_type (assistant, vbox, page_type);

    return vbox;
}

/* do not re-order these, the order is used by various code to look up emae->priv->identity_entries[] */
static struct {
    const gchar *name;
    gint item;
} emae_identity_entries[] = {
    { "management_name", E_ACCOUNT_NAME },
    { "identity_full_name", E_ACCOUNT_ID_NAME },
    { "identity_address", E_ACCOUNT_ID_ADDRESS },
    { "identity_reply_to", E_ACCOUNT_ID_REPLY_TO },
    { "identity_organization", E_ACCOUNT_ID_ORGANIZATION },
};

static void
emae_queue_widgets (EMAccountEditor *emae,
                    GtkBuilder *builder,
                    const gchar *first,
                    ...)
{
    va_list ap;

    va_start (ap, first);
    while (first) {
        g_hash_table_insert (emae->priv->widgets, (gchar *) first, e_builder_get_widget (builder, first));
        first = va_arg (ap, const gchar *);
    }
    va_end (ap);
}

static GtkWidget *
emae_identity_page (EConfig *ec,
                    EConfigItem *item,
                    GtkWidget *parent,
                    GtkWidget *old,
                    gint position,
                    gpointer data)
{
    EMAccountEditor *emae = data;
    EMAccountEditorPrivate *priv = emae->priv;
    EAccount *account;
    gint i;
    GtkWidget *w;
    GtkBuilder *builder;

    if (old && emae->type == EMAE_PAGES)
      return old;

    account = em_account_editor_get_modified_account (emae);

    /* Make sure our custom widget classes are registered with
     * GType before we load the GtkBuilder definition file. */
    E_TYPE_MAIL_JUNK_OPTIONS;
    EM_TYPE_FOLDER_SELECTION_BUTTON;

    builder = gtk_builder_new ();
    e_load_ui_builder_definition (builder, "mail-config.ui");

    /* Management & Identity fields, in the assistant the management frame is relocated to the last page later on */
    for (i = 0; i < G_N_ELEMENTS (emae_identity_entries); i++)
        priv->identity_entries[i] = emae_account_entry (emae, emae_identity_entries[i].name, emae_identity_entries[i].item, builder);

    priv->management_frame = e_builder_get_widget (builder, "management-section");

    priv->default_account = GTK_TOGGLE_BUTTON (e_builder_get_widget (builder, "management_default"));
    if (!e_get_default_account ()
        || (account == e_get_default_account ())
        || (GPOINTER_TO_INT(g_object_get_data (G_OBJECT (account), "default_flagged"))) )
            gtk_toggle_button_set_active (priv->default_account, TRUE);

    if (emae->do_signature) {
        emae_setup_signatures (emae, builder);
    } else {
        /* TODO: this could/should probably be neater */
        gtk_widget_hide (e_builder_get_widget (builder, "sigLabel"));
#if 0
        gtk_widget_hide (e_builder_get_widget (builder, "sigOption"));
#endif
        gtk_widget_hide (e_builder_get_widget (builder, "signature_dropdown"));
        gtk_widget_hide (e_builder_get_widget (builder, "sigAddNew"));
    }

    w = e_builder_get_widget (builder, item->label);
    if (emae->type == EMAE_PAGES) {
        GtkWidget *page = emae_create_basic_assistant_page (emae, GTK_ASSISTANT (parent), "identity_page", position);

        gtk_box_pack_start ((GtkBox *) emae->pages[0], w, TRUE, TRUE, 0);
        w = page;
    } else if (((EConfig *) priv->config)->type == E_CONFIG_ASSISTANT) {
        GtkWidget *page;

        page = emae_create_basic_assistant_page (
            emae, GTK_ASSISTANT (parent),
            "identity_page", position);

        gtk_box_pack_start (GTK_BOX (page), w, TRUE, TRUE, 0);

        w = page;
    } else {
        gtk_notebook_insert_page (
            GTK_NOTEBOOK (parent), w,
            gtk_label_new (_("Identity")),
            position);
        gtk_container_child_set (
            GTK_CONTAINER (parent), w,
            "tab-fill", FALSE, "tab-expand", FALSE, NULL);
    }

    emae_queue_widgets (
        emae, builder,
        "account_vbox",
        "identity-required-table",
        "identity-optional-table",
        "identity-optional-section",
        "identity_address",
        NULL);

    g_object_unref (builder);

    return w;
}

static GtkWidget *
emae_receive_page (EConfig *ec,
                   EConfigItem *item,
                   GtkWidget *parent,
                   GtkWidget *old,
                   gint position,
                   gpointer data)
{
    EMAccountEditor *emae = data;
    EMAccountEditorPrivate *priv = emae->priv;
    GtkWidget *w;
    GtkBuilder *builder;

    /*if (old)
      return old;*/

    builder = gtk_builder_new ();
    e_load_ui_builder_definition (builder, "mail-config.ui");

    priv->source.type = CAMEL_PROVIDER_STORE;
    emae_setup_service (emae, &priv->source, builder);

    w = e_builder_get_widget (builder, item->label);
    if (emae->type == EMAE_PAGES) {
        GtkWidget *page = emae_create_basic_assistant_page (emae, GTK_ASSISTANT (parent), "source_page", position);
        GtkWidget *vbox, *child;

        child = (GtkWidget *)g_object_get_data ((GObject *)emae->pages[1], "old-child");
        if (child)
            gtk_container_remove ((GtkContainer *) emae->pages[1], child);

        vbox = gtk_vbox_new (FALSE, 12);
        gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
        gtk_widget_show (vbox);
        gtk_box_pack_start ((GtkBox *) vbox, w, TRUE, TRUE, 0);
        g_object_set_data ((GObject *)emae->pages[1], "old-child", vbox);
        gtk_box_pack_start ((GtkBox *) emae->pages[1], vbox, TRUE, TRUE, 0);

        w = page;
    } else if (((EConfig *) priv->config)->type == E_CONFIG_ASSISTANT) {
        GtkWidget *page;

        page = emae_create_basic_assistant_page (
            emae, GTK_ASSISTANT (parent),
            "source_page", position);

        gtk_box_pack_start (GTK_BOX (page), w, TRUE, TRUE, 0);

        w = page;
    } else {
        gtk_notebook_insert_page (
            GTK_NOTEBOOK (parent), w,
            gtk_label_new (_("Receiving Email")),
            position);
        gtk_container_child_set (
            GTK_CONTAINER (parent), w,
            "tab-fill", FALSE, "tab-expand", FALSE, NULL);
    }

    emae_queue_widgets (
        emae, builder,
        "source-type-table",
        "source-config-table",
        "source-security-vbox",
        "source-auth-vbox",
        NULL);

    g_object_unref (builder);

    return w;
}

static void
emae_set_option_dependency (EMAccountEditorService *service,
                            CamelProviderConfEntry *conf,
                            GtkWidget *widget)
{
    if (conf->depname != NULL) {
        const gchar *depname = conf->depname;

        if (*depname == '!')
            depname++;

        g_object_bind_property (
            service->settings, depname,
            widget, "sensitive",
            G_BINDING_SYNC_CREATE |
            (depname == conf->depname ? 0 : G_BINDING_INVERT_BOOLEAN));
        gtk_widget_set_margin_left (widget, INDENT_MARGIN);
    }
}

static GtkWidget *
emae_option_toggle (EMAccountEditorService *service,
                    CamelProviderConfEntry *conf)
{
    GtkWidget *widget;

    widget = gtk_check_button_new_with_mnemonic (conf->text);

    g_object_bind_property (
        service->settings, conf->name,
        widget, "active",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    emae_set_option_dependency (service, conf, widget);

    return widget;
}

static GtkWidget *
emae_option_entry (EMAccountEditorService *service,
                   CamelProviderConfEntry *conf,
                   GtkLabel *label_for_mnemonic)
{
    GtkWidget *widget;

    widget = gtk_entry_new ();
    gtk_label_set_mnemonic_widget (label_for_mnemonic, widget);

    g_object_bind_property (
        service->settings, conf->name,
        widget, "text",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    emae_set_option_dependency (service, conf, widget);

    g_object_bind_property (
        widget, "sensitive",
        label_for_mnemonic, "sensitive",
        G_BINDING_SYNC_CREATE);

    return widget;
}

static GtkWidget *
emae_option_checkspin (EMAccountEditorService *service,
                       CamelProviderConfEntry *conf)
{
    GObjectClass *class;
    GParamSpec *pspec;
    GParamSpec *use_pspec;
    GtkAdjustment *adjustment;
    GtkWidget *hbox, *spin;
    GtkWidget *prefix;
    gchar *use_property_name;
    gchar *pre, *post;

    /* The conf->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. */

    g_return_val_if_fail (conf->name != NULL, NULL);

    class = G_OBJECT_GET_CLASS (service->settings);
    pspec = g_object_class_find_property (class, conf->name);
    g_return_val_if_fail (pspec != NULL, NULL);

    use_property_name = g_strconcat ("use-", conf->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_val_if_fail (
        g_value_type_transformable (
        pspec->value_type, G_TYPE_DOUBLE), NULL);
    g_return_val_if_fail (
        g_value_type_transformable (
        G_TYPE_DOUBLE, pspec->value_type), NULL);

    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_val_if_reached (NULL);

    pre = g_alloca (strlen (conf->text) + 1);
    strcpy (pre, conf->text);
    post = strstr (pre, "%s");
    if (post != NULL) {
        *post = '\0';
        post += 2;
    }

    hbox = gtk_hbox_new (FALSE, 3);

    if (use_pspec != NULL) {
        prefix = gtk_check_button_new_with_mnemonic (pre);

        g_object_bind_property (
            service->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 (
        service->settings, conf->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);
    }

    emae_set_option_dependency (service, conf, hbox);

    return hbox;
}

/* 'values' is in format "nick0:caption0:nick1:caption1:...nickN:captionN"
 * where 'nick' is the nickname of a GEnumValue belonging to a GEnumClass
 * determined by the type of the GObject property named "name". */
static GtkWidget *
emae_option_options (EMAccountEditorService *service,
                     CamelProviderConfEntry *conf,
                     GtkLabel *label)
{
    CamelProvider *provider;
    GtkWidget *widget;
    GtkListStore *store;
    GtkTreeIter iter;
    const gchar *p;
    GtkCellRenderer *renderer;

    provider = camel_provider_get (service->protocol, NULL);
    g_return_val_if_fail (provider != NULL, NULL);

    /* nick and caption */
    store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_STRING);

    p = conf->value;
    while (p != NULL) {
        const gchar *nick;
        const gchar *caption;
        gchar *vl, *cp;

        nick = p;
        caption = strchr (p, ':');
        if (caption) {
            caption++;
        } else {
            g_warning (G_STRLOC ": expected ':' not found at '%s'", p);
            break;
        }
        p = strchr (caption, ':');

        vl = g_strndup (nick, caption - nick - 1);
        if (p) {
            p++;
            cp = g_strndup (caption, p - caption - 1);
        } else
            cp = g_strdup (caption);

        gtk_list_store_append (store, &iter);
        gtk_list_store_set (
            store, &iter, 0, vl, 1, dgettext (
            provider->translation_domain, cp), -1);

        g_free (vl);
        g_free (cp);
    }

    widget = gtk_combo_box_new_with_model (GTK_TREE_MODEL (store));
    gtk_combo_box_set_id_column (GTK_COMBO_BOX (widget), 0);
    gtk_widget_show (widget);

    g_object_bind_property_full (
        service->settings, conf->name,
        widget, "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 (widget), renderer, TRUE);
    gtk_cell_layout_set_attributes (
        GTK_CELL_LAYOUT (widget), renderer, "text", 1, NULL);

    gtk_label_set_mnemonic_widget (label, widget);

    return widget;
}

static GtkWidget *
emae_receive_options_item (EConfig *ec,
                           EConfigItem *item,
                           GtkWidget *parent,
                           GtkWidget *old,
                           gint position,
                           gpointer data)
{
    EMAccountEditor *emae = data;
    CamelProvider *provider;
    GtkWidget *w, *box, *spin;
    guint row;

    provider = emae_get_store_provider (emae);

    if (provider == NULL || provider->extra_conf == NULL)
        return NULL;

    if (old) {
        if (emae->type == EMAE_PAGES) {
            GtkWidget *box = gtk_hbox_new (FALSE, 12);
            gtk_widget_reparent (old, box);
            gtk_widget_show (box);
            gtk_box_set_child_packing ((GtkBox *) box, old, TRUE, TRUE, 12, GTK_PACK_START);
            gtk_box_pack_end ((GtkBox *) emae->pages[2], box, FALSE, FALSE, 0);
        }
        return old;
    }

    if (emae->type == EMAE_PAGES)  {
        GtkWidget *box = gtk_hbox_new (FALSE, 12);
        gtk_widget_reparent (parent, box);
        gtk_widget_show (box);
        gtk_box_set_child_packing ((GtkBox *) box, parent, TRUE, TRUE, 12, GTK_PACK_START);
        gtk_box_pack_start ((GtkBox *) emae->pages[2], box, FALSE, FALSE, 0);
    }

    /* We have to add the automatic mail check item with the rest of the receive options */
    g_object_get (parent, "n-rows", &row, NULL);

    box = gtk_hbox_new (FALSE, 4);
    w = gtk_check_button_new_with_mnemonic (_("Check for _new messages every"));
    emae_account_toggle_widget (emae, (GtkToggleButton *) w, E_ACCOUNT_SOURCE_AUTO_CHECK);
    gtk_box_pack_start ((GtkBox *) box, w, FALSE, FALSE, 0);

    spin = gtk_spin_button_new_with_range (1.0, 1440.0, 1.0);
    emae_account_spinint_widget (emae, (GtkSpinButton *) spin, E_ACCOUNT_SOURCE_AUTO_CHECK_TIME);
    gtk_box_pack_start ((GtkBox *) box, spin, FALSE, TRUE, 0);

    w = gtk_label_new_with_mnemonic (_("minu_tes"));
    gtk_label_set_mnemonic_widget (GTK_LABEL (w), spin);
    gtk_box_pack_start ((GtkBox *) box, w, FALSE, FALSE, 0);

    gtk_widget_show_all (box);

    gtk_table_attach ((GtkTable *) parent, box, 0, 2, row, row + 1, GTK_EXPAND | GTK_FILL, 0, 0, 0);

    return box;
}

static GtkWidget *
emae_receive_options_extra_item (EConfig *ec,
                                 EConfigItem *eitem,
                                 GtkWidget *parent,
                                 GtkWidget *old,
                                 gint position,
                                 gpointer data)
{
    EMAccountEditor *emae = data;
    EMAccountEditorService *service;
    struct _receive_options_item *item = (struct _receive_options_item *) eitem;
    GtkWidget *box;
    GtkWidget *widget;
    GtkLabel *label;
    GtkTable *table;
    CamelProvider *provider;
    CamelProviderConfEntry *entries;
    guint row;
    GHashTable *extra;
    const gchar *section_name;
    gint ii;

    service = &emae->priv->source;
    section_name = eitem->user_data;

    provider = emae_get_store_provider (emae);

    if (provider == NULL || provider->extra_conf == NULL)
        return NULL;

    entries = provider->extra_conf;

    if (emae->type == EMAE_PAGES) {
        GtkWidget *box;

        box = gtk_hbox_new (FALSE, 12);
        gtk_widget_reparent (parent, box);
        gtk_widget_show (box);
        gtk_box_set_child_packing (
            GTK_BOX (box), parent,
            TRUE, TRUE, 12, GTK_PACK_START);
        gtk_box_pack_start (
            GTK_BOX (emae->pages[2]), box, FALSE, FALSE, 0);
    }

    for (ii = 0; entries && entries[ii].type != CAMEL_PROVIDER_CONF_END; ii++)
        if (entries[ii].type == CAMEL_PROVIDER_CONF_SECTION_START
            && g_strcmp0 (entries[ii].name, section_name) == 0)
            goto section;

    return NULL;

section:
    d (printf ("Building extra section '%s'\n", eitem->path));
    widget = NULL;
    item->extra_table = g_hash_table_new (g_str_hash, g_str_equal);
    extra = g_hash_table_new (g_str_hash, g_str_equal);

    table = GTK_TABLE (parent);
    g_object_get (table, "n-rows", &row, NULL);

    for (; entries[ii].type != CAMEL_PROVIDER_CONF_END && entries[ii].type != CAMEL_PROVIDER_CONF_SECTION_END; ii++) {
        switch (entries[ii].type) {
        case CAMEL_PROVIDER_CONF_SECTION_START:
        case CAMEL_PROVIDER_CONF_SECTION_END:
            break;

        case CAMEL_PROVIDER_CONF_LABEL:
            /* FIXME This is a hack for exchange connector,
             *       labels should be removed from confentry. */
            if (!strcmp (entries[ii].name, "hostname"))
                label = emae->priv->source.hostlabel;
            else if (!strcmp (entries[ii].name, "username"))
                label = emae->priv->source.userlabel;
            else
                label = NULL;

            if (label != NULL)
                gtk_label_set_text_with_mnemonic (
                    label, entries[ii].text);
            break;

        case CAMEL_PROVIDER_CONF_CHECKBOX:
            widget = emae_option_toggle (service, &entries[ii]);
            gtk_table_attach (
                table, widget, 0, 2,
                row, row + 1, GTK_EXPAND | GTK_FILL, 0, 0, 0);
            gtk_widget_show (widget);

            g_hash_table_insert (
                extra, (gpointer) entries[ii].name, widget);

            row++;

            /* HACK: keep_on_server is stored in the e-account,
             * but is displayed as a properly on the uri, make
             * sure they track/match here. */
            if (strcmp (entries[ii].name, "keep-on-server") == 0)
                emae_account_toggle_widget (
                    emae, (GtkToggleButton *) widget,
                    E_ACCOUNT_SOURCE_KEEP_ON_SERVER);
            break;

        case CAMEL_PROVIDER_CONF_ENTRY:
            widget = gtk_label_new_with_mnemonic (entries[ii].text);
            gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.5);
            gtk_table_attach (
                table, widget, 0, 1,
                row, row + 1, GTK_FILL, 0, 0, 0);
            gtk_widget_show (widget);

            label = GTK_LABEL (widget);

            widget = emae_option_entry (
                service, &entries[ii], label);
            gtk_table_attach (
                table, widget, 1, 2,
                row, row + 1, GTK_EXPAND | GTK_FILL, 0, 0, 0);
            gtk_widget_show (widget);

            row++;

            /* FIXME This is another hack for
             *       exchange/groupwise connector. */
            g_hash_table_insert (
                item->extra_table,
                (gpointer) entries[ii].name, widget);
            break;

        case CAMEL_PROVIDER_CONF_CHECKSPIN:
            widget = emae_option_checkspin (service, &entries[ii]);
            gtk_table_attach (
                table, widget, 0, 2,
                row, row + 1, GTK_EXPAND | GTK_FILL, 0, 0, 0);
            gtk_widget_show (widget);
            row++;
            break;

        case CAMEL_PROVIDER_CONF_OPTIONS:
            box = gtk_hbox_new (FALSE, 4);
            gtk_table_attach (
                table, box, 0, 2,
                row, row + 1, GTK_EXPAND | GTK_FILL, 0, 0, 0);
            gtk_widget_show (box);

            widget = gtk_label_new_with_mnemonic (entries[ii].text);
            gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.5);
            gtk_box_pack_start (
                GTK_BOX (box), widget, FALSE, FALSE, 0);
            gtk_widget_show (widget);

            label = GTK_LABEL (widget);

            widget = emae_option_options (
                service, &entries[ii], label);
            gtk_box_pack_start (
                GTK_BOX (box), widget, FALSE, FALSE, 0);
            gtk_widget_show (widget);

            row++;
            break;

        default:
            break;
        }
    }

    if (widget != NULL)
        gtk_widget_show (widget);

    return widget;
}

static GtkWidget *
emae_send_page (EConfig *ec,
                EConfigItem *item,
                GtkWidget *parent,
                GtkWidget *old,
                gint position,
                gpointer data)
{
    EMAccountEditor *emae = data;
    EMAccountEditorPrivate *priv = emae->priv;
    CamelProvider *provider;
    GtkWidget *w;
    GtkBuilder *builder;

    provider = emae_get_store_provider (emae);

    /* no transport options page at all for these types of providers */
    if (provider && CAMEL_PROVIDER_IS_STORE_AND_TRANSPORT (provider)) {
        memset (&priv->transport.frame, 0, ((gchar *) &priv->transport.check_dialog) - ((gchar *) &priv->transport.frame));
        priv->transport.protocol = provider->protocol;
        return NULL;
    }

    builder = gtk_builder_new ();
    e_load_ui_builder_definition (builder, "mail-config.ui");

    /* Transport */
    priv->transport.type = CAMEL_PROVIDER_TRANSPORT;
    emae_setup_service (emae, &priv->transport, builder);

    w = e_builder_get_widget (builder, item->label);
    if (emae->type == EMAE_PAGES) {
        GtkWidget *page = emae_create_basic_assistant_page (emae, GTK_ASSISTANT (parent), "transport_page", position);
        GtkWidget *vbox, *child;

        child = (GtkWidget *)g_object_get_data ((GObject *)emae->pages[3], "old-child");
        if (child)
            gtk_container_remove ((GtkContainer *) emae->pages[3], child);

        vbox = gtk_vbox_new (FALSE, 12);
        gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
        gtk_widget_show (vbox);
        gtk_box_pack_start ((GtkBox *) vbox, w, TRUE, TRUE, 0);
        g_object_set_data ((GObject *)emae->pages[3], "old-child", vbox);

        gtk_box_pack_start ((GtkBox *) emae->pages[3], vbox, TRUE, TRUE, 0);

        w = page;
    } else if (((EConfig *) priv->config)->type == E_CONFIG_ASSISTANT) {
        GtkWidget *page;

        page = emae_create_basic_assistant_page (
            emae, GTK_ASSISTANT (parent),
            "transport_page", position);

        gtk_box_pack_start (GTK_BOX (page), w, TRUE, TRUE, 0);

        w = page;
    } else {
        gtk_notebook_insert_page (
            GTK_NOTEBOOK (parent), w,
            gtk_label_new (_("Sending Email")),
            position);
        gtk_container_child_set (
            GTK_CONTAINER (parent), w,
            "tab-fill", FALSE, "tab-expand", FALSE, NULL);
    }

    emae_queue_widgets (
        emae, builder,
        "transport-type-table",
        "transport-server-table",
        "transport-security-table",
        "transport-auth-table",
        NULL);

    g_object_unref (builder);

    return w;
}

static void
emae_real_url_toggled (GtkToggleButton *check,
                       EMFolderSelectionButton *button)
{
    if (!gtk_toggle_button_get_active (check))
        em_folder_selection_button_set_folder_uri (button, "");
}

static void
set_real_folder_path (GtkButton *folder_button,
                      CamelSettings *settings,
                      const gchar *settings_prop,
                      EAccount *account)
{
    gchar *path = NULL, *uri;
    gchar *encoded_name;
    gchar *encoded_uid;
    const gchar *folder_name;

    g_return_if_fail (folder_button != NULL);
    g_return_if_fail (settings != NULL);
    g_return_if_fail (settings_prop != NULL);
    g_return_if_fail (account != NULL);

    g_object_get (G_OBJECT (settings), settings_prop, &path, NULL);

    if (!path || !*path) {
        g_free (path);
        return;
    }

    folder_name = path;

    /* Skip the leading slash, if present. */
    if (*folder_name == '/')
        folder_name++;

    encoded_uid = camel_url_encode (account->uid, ":;@/");
    encoded_name = camel_url_encode (folder_name, "#");

    uri = g_strdup_printf ("folder://%s/%s", encoded_uid, encoded_name);

    g_free (encoded_uid);
    g_free (encoded_name);
    g_free (path);

    em_folder_selection_button_set_folder_uri (EM_FOLDER_SELECTION_BUTTON (folder_button), uri);

    g_free (uri);
}

static void
update_real_folder_cb (GtkButton *folder_button,
                       GParamSpec *par_spec,
                       EMAccountEditor *emae)
{
    EMFolderSelectionButton *sel_button;
    CamelSettings *settings;
    const gchar *prop_name = NULL;
    const gchar *folder_uri;
    gchar *path = NULL;

    g_return_if_fail (folder_button != NULL);
    g_return_if_fail (emae != NULL);
    g_return_if_fail (emae->priv != NULL);

    settings = emae->priv->source.settings;
    if (folder_button == emae->priv->trash_folder_button)
        prop_name = "real-trash-path";
    else if (folder_button == emae->priv->junk_folder_button)
        prop_name = "real-junk-path";

    g_return_if_fail (prop_name != NULL);

    sel_button = EM_FOLDER_SELECTION_BUTTON (folder_button);
    g_return_if_fail (sel_button != NULL);

    folder_uri = em_folder_selection_button_get_folder_uri (sel_button);
    if (folder_uri && *folder_uri) {
        EMailSession *session;

        session = em_folder_selection_button_get_session (sel_button);
        if (!e_mail_folder_uri_parse (CAMEL_SESSION (session), folder_uri, NULL, &path, NULL))
            path = NULL;
    }

    g_object_set (G_OBJECT (settings), prop_name, path, NULL);
    g_free (path);
}

static GtkWidget *
emae_defaults_page (EConfig *ec,
                    EConfigItem *item,
                    GtkWidget *parent,
                    GtkWidget *old,
                    gint position,
                    gpointer data)
{
    EMAccountEditor *emae = data;
    EMAccountEditorPrivate *priv = emae->priv;
    EMFolderSelectionButton *button;
    CamelProviderFlags flags;
    CamelProvider *provider;
    CamelSettings *settings;
    CamelStore *store = NULL;
    EMailBackend *backend;
    EMailSession *session;
    EAccount *account;
    GtkWidget *widget;
    GtkBuilder *builder;
    GParamSpec *pspec;
    gboolean visible;

    /*if (old)
      return old;*/
    if (((EConfig *) priv->config)->type == E_CONFIG_ASSISTANT && emae->type != EMAE_PAGES)
        return NULL;

    account = em_account_editor_get_modified_account (emae);
    backend = em_account_editor_get_backend (emae);

    session = e_mail_backend_get_session (backend);

    if (account != NULL) {
        CamelService *service;

        service = camel_session_get_service (
            CAMEL_SESSION (session), account->uid);

        if (CAMEL_IS_STORE (service))
            store = CAMEL_STORE (service);
    }

    provider = emae_get_store_provider (emae);
    settings = emae->priv->source.settings;

    /* Make sure we have a valid EMailBackend. */
    g_return_val_if_fail (E_IS_MAIL_BACKEND (backend), NULL);

    builder = gtk_builder_new ();
    e_load_ui_builder_definition (builder, "mail-config.ui");

    /* Special folders */
    button = emae_account_folder (
        emae, "drafts_button",
        E_ACCOUNT_DRAFTS_FOLDER_URI,
        E_MAIL_LOCAL_FOLDER_DRAFTS, builder);
    priv->drafts_folder_button = GTK_BUTTON (button);

    button = emae_account_folder (
        emae, "sent_button",
        E_ACCOUNT_SENT_FOLDER_URI,
        E_MAIL_LOCAL_FOLDER_SENT, builder);
    priv->sent_folder_button = GTK_BUTTON (button);

    widget = e_builder_get_widget (builder, "trash_folder_check");
    priv->trash_folder_check = GTK_TOGGLE_BUTTON (widget);

    widget = e_builder_get_widget (builder, "trash_folder_butt");
    button = EM_FOLDER_SELECTION_BUTTON (widget);
    em_folder_selection_button_set_session (button, session);
    em_folder_selection_button_set_store (button, store);
    priv->trash_folder_button = GTK_BUTTON (button);

    g_signal_connect (
        priv->trash_folder_check, "toggled",
        G_CALLBACK (emae_real_url_toggled),
        priv->trash_folder_button);

    g_object_bind_property (
        priv->trash_folder_check, "active",
        priv->trash_folder_button, "sensitive",
        G_BINDING_SYNC_CREATE);

    if (settings != NULL)
        pspec = g_object_class_find_property (
            G_OBJECT_GET_CLASS (settings),
            "use-real-trash-path");
    else
        pspec = NULL;

    if (pspec != NULL)
        g_object_bind_property (
            settings, "use-real-trash-path",
            priv->trash_folder_check, "active",
            G_BINDING_BIDIRECTIONAL |
            G_BINDING_SYNC_CREATE);

    if (settings != NULL)
        pspec = g_object_class_find_property (
            G_OBJECT_GET_CLASS (settings),
            "real-trash-path");
    else
        pspec = NULL;

    if (pspec != NULL) {
        set_real_folder_path (
            priv->trash_folder_button,
            settings, "real-trash-path", account);
        g_signal_connect (
            priv->trash_folder_button, "notify::folder-uri",
            G_CALLBACK (update_real_folder_cb), emae);
    }

    flags = CAMEL_PROVIDER_ALLOW_REAL_TRASH_FOLDER;
    visible =
        (provider != NULL) &&
        ((provider->flags & flags) != 0);
    widget = GTK_WIDGET (priv->trash_folder_check);
    gtk_widget_set_visible (widget, visible);
    widget = GTK_WIDGET (priv->trash_folder_button);
    gtk_widget_set_visible (widget, visible);

    widget = e_builder_get_widget (builder, "junk_folder_check");
    priv->junk_folder_check = GTK_TOGGLE_BUTTON (widget);

    widget = e_builder_get_widget (builder, "junk_folder_butt");
    button = EM_FOLDER_SELECTION_BUTTON (widget);
    em_folder_selection_button_set_session (button, session);
    em_folder_selection_button_set_store (button, store);
    priv->junk_folder_button = GTK_BUTTON (button);

    g_signal_connect (
        priv->junk_folder_check, "toggled",
        G_CALLBACK (emae_real_url_toggled),
        priv->junk_folder_button);

    g_object_bind_property (
        priv->junk_folder_check, "active",
        priv->junk_folder_button, "sensitive",
        G_BINDING_SYNC_CREATE);

    if (settings != NULL)
        pspec = g_object_class_find_property (
            G_OBJECT_GET_CLASS (settings),
            "use-real-junk-path");
    else
        pspec = NULL;

    if (pspec != NULL)
        g_object_bind_property (
            settings, "use-real-junk-path",
            priv->junk_folder_check, "active",
            G_BINDING_BIDIRECTIONAL |
            G_BINDING_SYNC_CREATE);

    if (settings != NULL)
        pspec = g_object_class_find_property (
            G_OBJECT_GET_CLASS (settings),
            "real-junk-path");
    else
        pspec = NULL;

    if (pspec != NULL) {
        set_real_folder_path (
            priv->junk_folder_button,
            settings, "real-junk-path", account);
        g_signal_connect (
            priv->junk_folder_button, "notify::folder-uri",
            G_CALLBACK (update_real_folder_cb), emae);
    }

    flags = CAMEL_PROVIDER_ALLOW_REAL_JUNK_FOLDER;
    visible =
        (provider != NULL) &&
        ((provider->flags & flags) != 0);
    widget = GTK_WIDGET (priv->junk_folder_check);
    gtk_widget_set_visible (widget, visible);
    widget = GTK_WIDGET (priv->junk_folder_button);
    gtk_widget_set_visible (widget, visible);

    /* Special Folders "Reset Defaults" button */
    priv->restore_folders_button = (GtkButton *)e_builder_get_widget (builder, "default_folders_button");
    g_signal_connect (
        priv->restore_folders_button, "clicked",
        G_CALLBACK (default_folders_clicked), emae);

    /* Always Cc/Bcc */
    emae_account_toggle (emae, "always_cc", E_ACCOUNT_CC_ALWAYS, builder);
    emae_account_entry (emae, "cc_addrs", E_ACCOUNT_CC_ADDRS, builder);
    emae_account_toggle (emae, "always_bcc", E_ACCOUNT_BCC_ALWAYS, builder);
    emae_account_entry (emae, "bcc_addrs", E_ACCOUNT_BCC_ADDRS, builder);

    gtk_widget_set_sensitive (
        GTK_WIDGET (priv->sent_folder_button),
        (provider ? !(provider->flags & CAMEL_PROVIDER_DISABLE_SENT_FOLDER) : TRUE));

    gtk_widget_set_sensitive (
        GTK_WIDGET (priv->restore_folders_button),
        (provider && !(provider->flags & CAMEL_PROVIDER_DISABLE_SENT_FOLDER)));

    /* Receipt policy */
    emae_setup_receipt_policy (emae, builder);

    widget = e_builder_get_widget (builder, item->label);
    if (emae->type == EMAE_PAGES) {
        gtk_box_pack_start ((GtkBox *) emae->pages[4], widget, TRUE, TRUE, 0);
        gtk_widget_show  (widget);
    } else {
        gtk_notebook_insert_page (
            GTK_NOTEBOOK (parent), widget,
            gtk_label_new (_("Defaults")),
            position);
        gtk_container_child_set (
            GTK_CONTAINER (parent), widget,
            "tab-fill", FALSE, "tab-expand", FALSE, NULL);
    }

    emae_queue_widgets (
        emae, builder,
        "special-folders-table",
        "composing-messages-table",
        NULL);

    g_object_unref (builder);

    return widget;
}

static void
emae_account_hash_algo_combo_changed_cb (GtkComboBox *combobox,
                                         EMAccountEditor *emae)
{
    EAccount *account;
    gpointer data;
    const gchar *text = NULL;

    account = em_account_editor_get_modified_account (emae);
    data = g_object_get_data (G_OBJECT (combobox), "account-item");

    switch (gtk_combo_box_get_active (combobox)) {
    case 1: text = "sha1";
        break;
    case 2: text = "sha256";
        break;
    case 3:
        text = "sha384";
        break;
    case 4:
        text = "sha512";
        break;
    }

    e_account_set_string (account, GPOINTER_TO_INT (data), text);
}

static GtkComboBox *
emae_account_hash_algo_combo (EMAccountEditor *emae,
                              const gchar *name,
                              gint item,
                              GtkBuilder *builder)
{
    EAccount *account;
    GtkComboBox *combobox;
    const gchar *text;
    gint index = 0;

    account = em_account_editor_get_modified_account (emae);
    combobox = GTK_COMBO_BOX (e_builder_get_widget (builder, name));
    g_return_val_if_fail (combobox != NULL, NULL);

    text = e_account_get_string (account, item);
    if (text) {
        if (g_ascii_strcasecmp (text, "sha1") == 0)
            index = 1;
        else if (g_ascii_strcasecmp (text, "sha256") == 0)
            index = 2;
        else if (g_ascii_strcasecmp (text, "sha384") == 0)
            index = 3;
        else if (g_ascii_strcasecmp (text, "sha512") == 0)
            index = 4;
    }

    gtk_combo_box_set_active (combobox, index);

    g_object_set_data (G_OBJECT (combobox), "account-item", GINT_TO_POINTER (item));
    g_signal_connect (
        combobox, "changed",
        G_CALLBACK (emae_account_hash_algo_combo_changed_cb), emae);

    return combobox;
}

static GtkWidget *
emae_security_page (EConfig *ec,
                    EConfigItem *item,
                    GtkWidget *parent,
                    GtkWidget *old,
                    gint position,
                    gpointer data)
{
    EMAccountEditor *emae = data;
#if defined (HAVE_NSS) && defined (ENABLE_SMIME)
    EMAccountEditorPrivate *priv = emae->priv;
#endif
    GtkWidget *w;
    GtkBuilder *builder;

    /*if (old)
      return old;*/

    builder = gtk_builder_new ();
    e_load_ui_builder_definition (builder, "mail-config.ui");

    /* Security */
    emae_account_entry (emae, "pgp_key", E_ACCOUNT_PGP_KEY, builder);
    emae_account_hash_algo_combo (emae, "pgp_hash_algo", E_ACCOUNT_PGP_HASH_ALGORITHM, builder);
    emae_account_toggle (emae, "pgp_encrypt_to_self", E_ACCOUNT_PGP_ENCRYPT_TO_SELF, builder);
    emae_account_toggle (emae, "pgp_always_sign", E_ACCOUNT_PGP_ALWAYS_SIGN, builder);
    emae_account_toggle (emae, "pgp_no_imip_sign", E_ACCOUNT_PGP_NO_IMIP_SIGN, builder);
    emae_account_toggle (emae, "pgp_always_trust", E_ACCOUNT_PGP_ALWAYS_TRUST, builder);

#if defined (HAVE_NSS) && defined (ENABLE_SMIME)
    /* TODO: this should handle its entry separately? */
    priv->smime_sign_key = emae_account_entry (emae, "smime_sign_key", E_ACCOUNT_SMIME_SIGN_KEY, builder);
    priv->smime_sign_key_select = (GtkButton *)e_builder_get_widget (builder, "smime_sign_key_select");
    priv->smime_sign_key_clear = (GtkButton *)e_builder_get_widget (builder, "smime_sign_key_clear");
    g_signal_connect (
        priv->smime_sign_key_select, "clicked",
        G_CALLBACK (smime_sign_key_select), emae);
    g_signal_connect (
        priv->smime_sign_key_clear, "clicked",
        G_CALLBACK (smime_sign_key_clear), emae);

    emae_account_hash_algo_combo (emae, "smime_hash_algo", E_ACCOUNT_SMIME_HASH_ALGORITHM, builder);
    priv->smime_sign_default = emae_account_toggle (emae, "smime_sign_default", E_ACCOUNT_SMIME_SIGN_DEFAULT, builder);

    priv->smime_encrypt_key = emae_account_entry (emae, "smime_encrypt_key", E_ACCOUNT_SMIME_ENCRYPT_KEY, builder);
    priv->smime_encrypt_key_select = (GtkButton *)e_builder_get_widget (builder, "smime_encrypt_key_select");
    priv->smime_encrypt_key_clear = (GtkButton *)e_builder_get_widget (builder, "smime_encrypt_key_clear");
    g_signal_connect (
        priv->smime_encrypt_key_select, "clicked",
        G_CALLBACK (smime_encrypt_key_select), emae);
    g_signal_connect (
        priv->smime_encrypt_key_clear, "clicked",
        G_CALLBACK (smime_encrypt_key_clear), emae);

    priv->smime_encrypt_default = emae_account_toggle (emae, "smime_encrypt_default", E_ACCOUNT_SMIME_ENCRYPT_DEFAULT, builder);
    priv->smime_encrypt_to_self = emae_account_toggle (emae, "smime_encrypt_to_self", E_ACCOUNT_SMIME_ENCRYPT_TO_SELF, builder);
    smime_changed (emae);
#else
    {
        /* Since we don't have NSS, hide the S/MIME config options */
        GtkWidget *frame;

        frame = e_builder_get_widget (builder, "smime_vbox");
        gtk_widget_destroy (frame);
    }
#endif /* HAVE_NSS */

    w = e_builder_get_widget (builder, item->label);
    gtk_notebook_insert_page (
        GTK_NOTEBOOK (parent), w,
        gtk_label_new (_("Security")),
        position);
    gtk_container_child_set (
        GTK_CONTAINER (parent), w,
        "tab-fill", FALSE, "tab-expand", FALSE, NULL);

    g_object_unref (builder);

    return w;
}

/*
 * Allow some level of post creation customisation in plugins.
 */
GtkWidget *
em_account_editor_get_widget (EMAccountEditor *emae,
                              const gchar *name)
{
    GtkWidget *wid;

    wid = g_hash_table_lookup (emae->priv->widgets, name);
    if (wid)
        return wid;

    g_warning ("Mail account widget '%s' not found", name);

    return NULL;
}

static GtkWidget *
emae_widget_glade (EConfig *ec,
                   EConfigItem *item,
                   GtkWidget *parent,
                   GtkWidget *old,
                   gint position,
                   gpointer data)
{
    return em_account_editor_get_widget (data, item->label);
}

/* plugin meta-data for "org.gnome.evolution.mail.config.accountEditor" */
static EMConfigItem emae_editor_items[] = {
    { E_CONFIG_BOOK, (gchar *) "" },
    { E_CONFIG_PAGE, (gchar *) "00.identity", (gchar *) "vboxIdentityBorder", emae_identity_page },
    { E_CONFIG_SECTION, (gchar *) "00.identity/00.name", (gchar *) "account_vbox", emae_widget_glade },
    { E_CONFIG_SECTION_TABLE, (gchar *) "00.identity/10.required", (gchar *) "identity-required-table", emae_widget_glade },
    { E_CONFIG_SECTION_TABLE, (gchar *) "00.identity/20.info", (gchar *) "identity-optional-table", emae_widget_glade },

    { E_CONFIG_PAGE, (gchar *) "10.receive", (gchar *) "vboxSourceBorder", emae_receive_page },
    { E_CONFIG_SECTION_TABLE, (gchar *) "10.receive/00.type", (gchar *) "source-type-table", emae_widget_glade },
    { E_CONFIG_SECTION_TABLE, (gchar *) "10.receive/10.config", (gchar *) "source-config-table", emae_widget_glade },
    { E_CONFIG_SECTION, (gchar *) "10.receive/20.security", (gchar *) "source-security-vbox", emae_widget_glade },
    { E_CONFIG_SECTION, (gchar *) "10.receive/30.auth", (gchar *) "source-auth-vbox", emae_widget_glade },

    /* Most sections for this is auto-generated from the camel config */
    { E_CONFIG_PAGE, (gchar *) "20.receive_options", (gchar *) N_("Receiving Options"), },
    { E_CONFIG_SECTION_TABLE, (gchar *) "20.receive_options/10.mailcheck", (gchar *) N_("Checking for New Messages"), },
    { E_CONFIG_ITEM_TABLE, (gchar *) "20.receive_options/10.mailcheck/00.autocheck", NULL, emae_receive_options_item, },

    { E_CONFIG_PAGE, (gchar *) "30.send", (gchar *) "vboxTransportBorder", emae_send_page },
    { E_CONFIG_SECTION_TABLE, (gchar *) "30.send/00.type", (gchar *) "transport-type-table", emae_widget_glade },
    { E_CONFIG_SECTION_TABLE, (gchar *) "30.send/10.config", (gchar *) "transport-server-table", emae_widget_glade },
    { E_CONFIG_SECTION_TABLE, (gchar *) "30.send/20.security", (gchar *) "transport-security-table", emae_widget_glade },
    { E_CONFIG_SECTION_TABLE, (gchar *) "30.send/30.auth", (gchar *) "transport-auth-table", emae_widget_glade },

    { E_CONFIG_PAGE, (gchar *) "40.defaults", (gchar *) "vboxFoldersBorder", emae_defaults_page },
    { E_CONFIG_SECTION_TABLE, (gchar *) "40.defaults/00.folders", (gchar *) "special-folders-table", emae_widget_glade },
    { E_CONFIG_SECTION_TABLE, (gchar *) "40.defaults/10.composing", (gchar *) "composing-messages-table", emae_widget_glade },

    { E_CONFIG_PAGE, (gchar *) "50.security", (gchar *) "vboxSecurityBorder", emae_security_page },
    /* 1x1 table (!) not vbox: { E_CONFIG_SECTION, "50.security/00.gpg", "table19", emae_widget_glade }, */
    /* table not vbox: { E_CONFIG_SECTION, "50.security/10.smime", "smime_table", emae_widget_glade }, */
    { 0 },
};
static gboolean emae_editor_items_translated = FALSE;

static GtkWidget *
emae_review_page (EConfig *ec,
                      EConfigItem *item,
                      GtkWidget *parent,
                      GtkWidget *old,
                      gint position,
                      gpointer data)
{
    EMAccountEditor *emae = data;
    EMAccountEditorPrivate *priv = emae->priv;
    GtkWidget *w;
    GtkBuilder *builder;

    builder = gtk_builder_new ();
    e_load_ui_builder_definition (builder, "mail-config.ui");

    priv->review_name = (GtkLabel*) e_builder_get_widget (builder, "personal-name-entry");
    priv->review_email = (GtkLabel*) e_builder_get_widget (builder, "personal-email-entry");
    priv->receive_stype = (GtkLabel*) e_builder_get_widget (builder, "receive_server_type");
    priv->send_stype = (GtkLabel*) e_builder_get_widget (builder, "send_server_type");
    priv->receive_saddress = (GtkLabel*) e_builder_get_widget (builder, "receive_server_address");
    priv->send_saddress = (GtkLabel*) e_builder_get_widget (builder, "send_server_address");
    priv->receive_name = (GtkLabel*) e_builder_get_widget (builder, "receive_username");
    priv->send_name = (GtkLabel*) e_builder_get_widget (builder, "send_username");
    priv->receive_encryption = (GtkLabel*) e_builder_get_widget (builder, "receive_encryption");
    priv->send_encryption = (GtkLabel*) e_builder_get_widget (builder, "send_encryption");

    w = e_builder_get_widget (builder, item->label);
    priv->review_box = gtk_vbox_new (FALSE, 2);
    gtk_widget_show (priv->review_box);
    if (((EConfig *) priv->config)->type == E_CONFIG_ASSISTANT) {
        GtkWidget *page;

        page = emae_create_basic_assistant_page (
            emae, GTK_ASSISTANT (parent),
            "review_page", position);

        gtk_box_pack_start (GTK_BOX (page), w, FALSE, FALSE, 0);
        gtk_box_pack_start (GTK_BOX (page), priv->review_box, FALSE, FALSE, 0);
        gtk_widget_reparent (priv->management_frame, page);

        w = page;
    }

    return w;
}

static GtkWidget *
emae_widget_assistant_page (EConfig *ec,
                            EConfigItem *item,
                            GtkWidget *parent,
                            GtkWidget *old,
                            gint position,
                            gpointer data)
{
    EMAccountEditor *emae = (EMAccountEditor *) data;

    if (emae->type == EMAE_PAGES)
        return NULL;

    return emae_create_basic_assistant_page (
        emae, GTK_ASSISTANT (parent), item->label, position);
}

/* plugin meta-data for "org.gnome.evolution.mail.config.accountAssistant" */
static EMConfigItem emae_assistant_items[] = {
    { E_CONFIG_ASSISTANT, (gchar *) "" },
    { E_CONFIG_PAGE_START, (gchar *) "0.start", (gchar *) "start_page", emae_widget_assistant_page },

    { E_CONFIG_PAGE, (gchar *) "00.identity", (gchar *) "vboxIdentityBorder", emae_identity_page },
    { E_CONFIG_SECTION, (gchar *) "00.identity/00.name", (gchar *) "account_vbox", emae_widget_glade },
    { E_CONFIG_SECTION_TABLE, (gchar *) "00.identity/10.required", (gchar *) "identity-required-table", emae_widget_glade },
    { E_CONFIG_SECTION_TABLE, (gchar *) "00.identity/20.info", (gchar *) "identity-optional-table", emae_widget_glade },

    { E_CONFIG_PAGE, (gchar *) "10.receive", (gchar *) "vboxSourceBorder", emae_receive_page },
    { E_CONFIG_SECTION_TABLE, (gchar *) "10.receive/00.type", (gchar *) "source-type-table", emae_widget_glade },
    { E_CONFIG_SECTION_TABLE, (gchar *) "10.receive/10.config", (gchar *) "source-config-table", emae_widget_glade },
    { E_CONFIG_SECTION, (gchar *) "10.receive/20.security", (gchar *) "source-security-vbox", emae_widget_glade },
    { E_CONFIG_SECTION, (gchar *) "10.receive/30.auth", (gchar *) "source-auth-vbox", emae_widget_glade },

    /* Most sections for this is auto-generated fromt the camel config */
    { E_CONFIG_PAGE, (gchar *) "20.receive_options", (gchar *) N_("Receiving Options"), },
    { E_CONFIG_SECTION_TABLE, (gchar *) "20.receive_options/10.mailcheck", (gchar *) N_("Checking for New Messages"), },
    { E_CONFIG_ITEM_TABLE, (gchar *) "20.receive_options/10.mailcheck/00.autocheck", NULL, emae_receive_options_item, },

    { E_CONFIG_PAGE, (gchar *) "30.send", (gchar *) "vboxTransportBorder", emae_send_page },
    { E_CONFIG_SECTION_TABLE, (gchar *) "30.send/00.type", (gchar *) "transport-type-table", emae_widget_glade },
    { E_CONFIG_SECTION_TABLE, (gchar *) "30.send/10.config", (gchar *) "transport-server-table", emae_widget_glade },
    { E_CONFIG_SECTION_TABLE, (gchar *) "30.send/20.security", (gchar *) "transport-security-table", emae_widget_glade },
    { E_CONFIG_SECTION_TABLE, (gchar *) "30.send/30.auth", (gchar *) "transport-auth-table", emae_widget_glade },

    { E_CONFIG_PAGE, (gchar *) "40.defaults", (gchar *) "vboxFoldersBorder", emae_defaults_page },
    { E_CONFIG_SECTION_TABLE, (gchar *) "40.defaults/00.folders", (gchar *) "special-folders-table", emae_widget_glade },
    { E_CONFIG_SECTION_TABLE, (gchar *) "40.defaults/10.composing", (gchar *) "composing-messages-table", emae_widget_glade },

    { E_CONFIG_PAGE, (gchar *) "50.review", (gchar *) "vboxReviewBorder", emae_review_page },

    { E_CONFIG_PAGE_FINISH, (gchar *) "999.end", (gchar *) "finish_page", emae_widget_assistant_page },
    { 0 },
};
static gboolean emae_assistant_items_translated = FALSE;

static void
emae_free (EConfig *ec,
           GSList *items,
           gpointer data)
{
    g_slist_free (items);
}

static void
emae_free_auto (EConfig *ec,
                GSList *items,
                gpointer data)
{
    GSList *l, *n;

    for (l = items; l;) {
        struct _receive_options_item *item = l->data;

        n = g_slist_next (l);
        g_free (item->item.path);
        if (item->extra_table)
            g_hash_table_destroy (item->extra_table);
        g_free (item);
        g_slist_free_1 (l);
        l = n;
    }
}

static gboolean
emae_check_service_complete (EMAccountEditor *emae,
                             EMAccountEditorService *service)
{
    CamelProvider *provider = NULL;
    const gchar *host = NULL;
    const gchar *path = NULL;
    const gchar *user = NULL;
    gboolean have_host;
    gboolean have_path;
    gboolean have_user;
    gboolean need_auth;
    gboolean need_host;
    gboolean need_path;
    gboolean need_port;
    gboolean need_user;

    if (service->protocol != NULL)
        provider = camel_provider_get (service->protocol, NULL);

    if (provider == NULL)
        return TRUE;

    if (CAMEL_IS_NETWORK_SETTINGS (service->settings)) {
        CamelNetworkSettings *network_settings;

        network_settings = CAMEL_NETWORK_SETTINGS (service->settings);
        host = camel_network_settings_get_host (network_settings);
        user = camel_network_settings_get_user (network_settings);
    }

    if (CAMEL_IS_LOCAL_SETTINGS (service->settings)) {
        CamelLocalSettings *local_settings;

        local_settings = CAMEL_LOCAL_SETTINGS (service->settings);
        path = camel_local_settings_get_path (local_settings);
    }

    need_auth = CAMEL_PROVIDER_NEEDS (provider, CAMEL_URL_PART_AUTH);
    need_host = CAMEL_PROVIDER_NEEDS (provider, CAMEL_URL_PART_HOST);
    need_path = CAMEL_PROVIDER_NEEDS (provider, CAMEL_URL_PART_PATH);
    need_port = CAMEL_PROVIDER_NEEDS (provider, CAMEL_URL_PART_PORT);
    need_user = CAMEL_PROVIDER_NEEDS (provider, CAMEL_URL_PART_USER);

    have_host = (host != NULL && *host != '\0');
    have_path = (path != NULL && *path != '\0');
    have_user = (user != NULL && *user != '\0');

    if (need_host && !have_host)
        return FALSE;

    if (need_port && !e_port_entry_is_valid (service->port))
        return FALSE;

    /* We only need the user if the service needs auth as well, i think */
    if (need_auth || service->requires_auth)
        if (need_user && !have_user)
            return FALSE;

    if (need_path && !have_path)
        return FALSE;

    return TRUE;
}

static ServerData *
emae_check_servers (const gchar *email)
{
    ServerData *sdata = g_new0 (ServerData, 1);
    EmailProvider *provider = g_new0 (EmailProvider, 1);
    gchar *dupe = g_strdup (email);
    gchar *tmp;

    /* FIXME: Find a way to free the provider once given to account settings. */
    provider->email = (gchar *) email;
    tmp = strchr (email, '@');
    tmp++;
    provider->domain = tmp;
    tmp = strchr (dupe, '@');
    *tmp = 0;
    provider->username = (gchar *) g_quark_to_string (g_quark_from_string (dupe));
    g_free (dupe);

    if (!mail_guess_servers (provider)) {
        g_free (provider);
        g_free (sdata);
        return NULL;
    }
    /*printf("Recv: %s\n%s(%s), %s by %s \n Send: %s\n%s(%s), %s by %s\n via %s to %s\n",
      provider->recv_type, provider->recv_hostname, provider->recv_port, provider->recv_username, provider->recv_auth,
      provider->send_type, provider->send_hostname, provider->send_port, provider->send_username, provider->send_auth,
      provider->recv_socket_type, provider->send_socket_type); */

    sdata->recv = provider->recv_hostname;
    sdata->recv_port = provider->recv_port;
    sdata->send = provider->send_hostname;
    sdata->send_port = provider->send_port;
    if (strcmp (provider->recv_type, "pop3") == 0)
        sdata->proto = g_strdup ("pop");
    else if (strcmp (provider->recv_type, "imap") == 0)
        sdata->proto = g_strdup ("imapx");
    else
        sdata->proto = provider->recv_type;
    if (provider->recv_socket_type) {
        CamelNetworkSecurityMethod method;

        if (g_ascii_strcasecmp (provider->recv_socket_type, "SSL") == 0)
            method = CAMEL_NETWORK_SECURITY_METHOD_SSL_ON_ALTERNATE_PORT;
        else if (g_ascii_strcasecmp (provider->recv_socket_type, "secure") == 0)
            method = CAMEL_NETWORK_SECURITY_METHOD_SSL_ON_ALTERNATE_PORT;
        else if (g_ascii_strcasecmp (provider->recv_socket_type, "STARTTLS") == 0)
            method = CAMEL_NETWORK_SECURITY_METHOD_STARTTLS_ON_STANDARD_PORT;
        else if (g_ascii_strcasecmp (provider->recv_socket_type, "TLS") == 0)
            method = CAMEL_NETWORK_SECURITY_METHOD_STARTTLS_ON_STANDARD_PORT;
        else
            method = CAMEL_NETWORK_SECURITY_METHOD_NONE;

        sdata->security_method = method;
        sdata->recv_security_method = method;
    }

    if (provider->send_socket_type) {
        CamelNetworkSecurityMethod method;

        if (g_ascii_strcasecmp (provider->send_socket_type, "SSL") == 0)
            method = CAMEL_NETWORK_SECURITY_METHOD_SSL_ON_ALTERNATE_PORT;
        else if (g_ascii_strcasecmp (provider->send_socket_type, "secure") == 0)
            method = CAMEL_NETWORK_SECURITY_METHOD_SSL_ON_ALTERNATE_PORT;
        else if (g_ascii_strcasecmp (provider->send_socket_type, "STARTTLS") == 0)
            method = CAMEL_NETWORK_SECURITY_METHOD_STARTTLS_ON_STANDARD_PORT;
        else if (g_ascii_strcasecmp (provider->send_socket_type, "TLS") == 0)
            method = CAMEL_NETWORK_SECURITY_METHOD_STARTTLS_ON_STANDARD_PORT;
        else
            method = CAMEL_NETWORK_SECURITY_METHOD_NONE;

        sdata->send_security_method = method;
    }

    sdata->send_auth = g_ascii_strup (provider->send_auth, -1);
    sdata->recv_auth = g_ascii_strup (provider->recv_auth, -1);
    sdata->send_user = provider->send_username;
    sdata->recv_user = provider->recv_username;

    g_free (provider);

    return sdata;
}

static void
emae_destroy_widget (GtkWidget *widget)
{
    if (widget && GTK_IS_WIDGET (widget)) {
        gtk_widget_destroy (widget);
        widget = NULL;
    }
}

static gboolean
emae_display_name_in_use (EMAccountEditor *emae,
                          const gchar *display_name)
{
    EAccount *account;
    EAccount *original_account;

    /* XXX Trivial for now, less so when we dump EAccount. */

    account = e_get_account_by_name (display_name);
    original_account = em_account_editor_get_original_account (emae);

    return (account != NULL && account != original_account);
}

static void
emae_init_receive_page_for_new_account (EMAccountEditor *emae)
{
    EAccount *account;
    const gchar *address;
    gchar *user;

    account = em_account_editor_get_modified_account (emae);
    address = e_account_get_string (account, E_ACCOUNT_ID_ADDRESS);

    /* Extract an initial username from the email address. */
    user = g_strdup (address);
    if (user != NULL) {
        gchar *cp = strchr (user, '@');
        if (cp != NULL)
            *cp = '\0';
    }

    gtk_entry_set_text (emae->priv->source.username, user);

    g_free (user);
}

static void
emae_init_receive_page_for_server_data (EMAccountEditor *emae)
{
    ServerData *sdata;
    CamelNetworkSecurityMethod method;
    gint port = 0;

    sdata = emae->priv->selected_server;
    g_return_if_fail (sdata != NULL);

    if (sdata->recv_user == NULL) {
        ; /* do nothing */
    } else if (*sdata->recv_user == '\0') {
        ; /* do nothing */
    } else if (strcmp (sdata->recv_user, "@") == 0) {
        ; /* do nothing */
    } else {
        gtk_entry_set_text (
            emae->priv->source.username,
            sdata->recv_user);
    }

    if (sdata->recv_security_method != CAMEL_NETWORK_SECURITY_METHOD_NONE)
        method = sdata->recv_security_method;
    else
        method = sdata->security_method;

    g_object_set (
        emae->priv->source.settings,
        "security-method", method, NULL);

    emae->priv->source.protocol = sdata->proto;

    if (sdata->recv_port != NULL && *sdata->recv_port != '\0')
        port = (gint) strtol (sdata->recv_port, NULL, 10);

    if (port > 0)
        e_port_entry_set_port (emae->priv->source.port, port);

    gtk_toggle_button_set_active (emae->priv->source.remember, TRUE);
    gtk_entry_set_text (emae->priv->source.hostname, sdata->recv);

    if (sdata->recv_auth != NULL && *sdata->recv_auth != '\0')
        gtk_combo_box_set_active_id (
            emae->priv->source.authtype,
            sdata->recv_auth);
}

static void
emae_init_send_page_for_new_account (EMAccountEditor *emae)
{
    EAccount *account;
    const gchar *address;
    gchar *user;

    account = em_account_editor_get_modified_account (emae);
    address = e_account_get_string (account, E_ACCOUNT_ID_ADDRESS);

    /* Extract an initial username from the email address. */
    user = g_strdup (address);
    if (user != NULL) {
        gchar *cp = strchr (user, '@');
        if (cp != NULL)
            *cp = '\0';
    }

    gtk_entry_set_text (emae->priv->transport.username, user);

    g_free (user);
}

static void
emae_init_send_page_for_server_data (EMAccountEditor *emae)
{
    ServerData *sdata;
    CamelNetworkSecurityMethod method;
    gint port = 0;

    sdata = emae->priv->selected_server;
    g_return_if_fail (sdata != NULL);

    if (sdata->recv_user == NULL) {
        ; /* do nothing */
    } else if (*sdata->recv_user == '\0') {
        ; /* do nothing */
    } else if (strcmp (sdata->recv_user, "@") == 0) {
        ; /* do nothing */
    } else {
        gtk_entry_set_text (
            emae->priv->transport.username,
            sdata->send_user);
    }

    if (sdata->recv_security_method != CAMEL_NETWORK_SECURITY_METHOD_NONE)
        method = sdata->recv_security_method;
    else
        method = sdata->security_method;

    g_object_set (
        emae->priv->transport.settings,
        "security-method", method, NULL);

    emae->priv->transport.protocol = "smtp";

    if (sdata->recv_port != NULL && *sdata->recv_port != '\0')
        port = (gint) strtol (sdata->recv_port, NULL, 10);

    if (port > 0)
        e_port_entry_set_port (emae->priv->source.port, port);

    gtk_toggle_button_set_active (emae->priv->transport.remember, TRUE);
    gtk_toggle_button_set_active (emae->priv->transport.needs_auth, TRUE);
    gtk_entry_set_text (emae->priv->transport.hostname, sdata->send);

    if (sdata->send_auth != NULL && *sdata->send_auth != '\0')
        gtk_combo_box_set_active_id (
            emae->priv->source.authtype,
            sdata->send_auth);
    else
        emae_authtype_changed (
            emae->priv->transport.authtype,
            &emae->priv->transport);
}

static void
emae_init_review_page (EMAccountEditor *emae)
{
    EAccount *account;
    const gchar *address;
    gchar *display_name;
    gint ii = 1;

    account = em_account_editor_get_modified_account (emae);
    address = e_account_get_string (account, E_ACCOUNT_ID_ADDRESS);

    display_name = g_strdup (address);

    /* Use the email address as the initial display name for the
     * mail account.  If necessary, append a number to the display
     * name to make it unique among other mail accounts. */
    while (emae_display_name_in_use (emae, display_name)) {
        g_free (display_name);
        display_name = g_strdup_printf ("%s (%d)", address, ii++);
    }

    gtk_entry_set_text (emae->priv->identity_entries[0], display_name);

    g_free (display_name);
}

static void
emae_update_review_page (EMAccountEditor *emae)
{
    EAccount *account;
    const gchar *name;
    const gchar *address;

    account = em_account_editor_get_modified_account (emae);
    name = e_account_get_string (account, E_ACCOUNT_ID_NAME);
    address = e_account_get_string (account, E_ACCOUNT_ID_ADDRESS);

    gtk_label_set_text (emae->priv->review_name, name);
    gtk_label_set_text (emae->priv->review_email, address);

    if (CAMEL_IS_NETWORK_SETTINGS (emae->priv->source.settings)) {
        CamelNetworkSecurityMethod method;
        const gchar *encryption;
        const gchar *protocol;
        gchar *host = NULL;
        gchar *user = NULL;

        protocol = emae->priv->source.protocol;

        g_object_get (
            emae->priv->source.settings,
            "host", &host, "user", &user,
            "security-method", &method, NULL);

        switch (method) {
            case CAMEL_NETWORK_SECURITY_METHOD_SSL_ON_ALTERNATE_PORT:
                encryption = _("Always (SSL)");
                break;
            case CAMEL_NETWORK_SECURITY_METHOD_STARTTLS_ON_STANDARD_PORT:
                encryption = _("When possible (TLS)");
                break;
            default:
                encryption = _("Never");
                break;
        }

        gtk_label_set_text (emae->priv->receive_stype, protocol);
        gtk_label_set_text (emae->priv->receive_saddress, host);
        gtk_label_set_text (emae->priv->receive_name, user);
        gtk_label_set_text (emae->priv->receive_encryption, encryption);

        g_free (host);
        g_free (user);
    }

    if (CAMEL_IS_NETWORK_SETTINGS (emae->priv->transport.settings)) {
        CamelNetworkSecurityMethod method;
        const gchar *encryption;
        const gchar *protocol;
        gchar *host = NULL;
        gchar *user = NULL;

        protocol = emae->priv->transport.protocol;

        g_object_get (
            emae->priv->transport.settings,
            "host", &host, "user", &user,
            "security-method", &method, NULL);

        switch (method) {
            case CAMEL_NETWORK_SECURITY_METHOD_SSL_ON_ALTERNATE_PORT:
                encryption = _("Always (SSL)");
                break;
            case CAMEL_NETWORK_SECURITY_METHOD_STARTTLS_ON_STANDARD_PORT:
                encryption = _("When possible (TLS)");
                break;
            default:
                encryption = _("Never");
                break;
        }

        gtk_label_set_text (emae->priv->send_stype, protocol);
        gtk_label_set_text (emae->priv->send_saddress, host);
        gtk_label_set_text (emae->priv->send_name, user);
        gtk_label_set_text (emae->priv->send_encryption, encryption);

        g_free (host);
        g_free (user);
    }
}

static void
emae_update_review_page_for_google (EMAccountEditor *emae)
{
    GtkWidget *container;
    GtkWidget *widget;
    gchar *markup;

    emae_destroy_widget (emae->priv->gcontacts);
    emae_destroy_widget (emae->priv->calendar);
    emae_destroy_widget (emae->priv->account_label);
    emae_destroy_widget (emae->priv->gmail_link);

    container = emae->priv->review_box;

    widget = gtk_label_new (NULL);
    markup = g_markup_printf_escaped (
        "<span size=\"large\" weight=\"bold\">%s</span>",
        _("Google account settings:"));
    gtk_label_set_markup (GTK_LABEL (widget), markup);
    gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
    emae->priv->account_label = widget;
    gtk_widget_show (widget);
    g_free (markup);

    widget = gtk_check_button_new_with_mnemonic (
        _("Setup Google con_tacts with Evolution"));
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (widget), TRUE);
    gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
    emae->priv->gcontacts = widget;
    gtk_widget_show (widget);

    widget = gtk_check_button_new_with_mnemonic (
        _("Setup Google ca_lendar with Evolution"));
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (widget), TRUE);
    gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
    emae->priv->calendar = widget;
    gtk_widget_show (widget);

    widget = gtk_link_button_new_with_label (
        "https://mail.google.com/mail/?ui=2&amp;shva=1#settings/fwdandpop",
        _("You may need to enable IMAP access."));
    gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
    emae->priv->gmail_link = widget;
    gtk_widget_show (widget);
}

static void
emae_update_review_page_for_yahoo (EMAccountEditor *emae)
{
    EAccount *account;
    GtkWidget *container;
    GtkWidget *widget;
    GtkWidget *label;
    gchar *markup;
    gchar *name;

    account = em_account_editor_get_modified_account (emae);
    name = g_strdup (e_account_get_string (account, E_ACCOUNT_ID_NAME));

    g_strdelimit (name, " ", '_');

    emae_destroy_widget (emae->priv->calendar);
    emae_destroy_widget (emae->priv->info_label);
    emae_destroy_widget (emae->priv->yahoo_cal_entry);
    emae_destroy_widget (emae->priv->account_label);
    emae_destroy_widget (emae->priv->yahoo_cal_box);

    container = emae->priv->review_box;

    widget = gtk_label_new (NULL);
    markup = g_markup_printf_escaped (
        "<span size=\"large\" weight=\"bold\">%s</span>",
        _("Yahoo account settings:"));
    gtk_label_set_markup (GTK_LABEL (widget), markup);
    gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
    emae->priv->account_label = widget;
    gtk_widget_show (widget);
    g_free (markup);

    widget = gtk_check_button_new_with_mnemonic (
        _("Setup _Yahoo calendar with Evolution"));
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (widget), TRUE);
    gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
    emae->priv->calendar = widget;
    gtk_widget_show (widget);

    widget = gtk_label_new (
        _("Yahoo calendars are named as firstname_lastname. We have "
          "tried to form the calendar name. So please confirm and "
          "re-enter the calendar name if it is not correct."));
    gtk_label_set_line_wrap (GTK_LABEL (widget), TRUE);
    gtk_label_set_line_wrap_mode (GTK_LABEL (widget), PANGO_WRAP_WORD);
    gtk_label_set_selectable (GTK_LABEL (widget), TRUE);
    gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
    emae->priv->info_label = widget;
    gtk_widget_show (widget);

    widget = gtk_hbox_new (FALSE, 12);
    gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
    emae->priv->yahoo_cal_box = widget;
    gtk_widget_show (widget);

    container = widget;

    widget = gtk_label_new_with_mnemonic (
        _("Yahoo Calen_dar name:"));
    gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
    gtk_widget_show (widget);

    label = widget;

    widget = gtk_entry_new ();
    gtk_entry_set_text (GTK_ENTRY (widget), name);
    gtk_label_set_mnemonic_widget (GTK_LABEL (label), widget);
    gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
    emae->priv->yahoo_cal_entry = widget;
    gtk_widget_show (widget);

    g_free (name);
}

static gboolean
emae_check_identity_complete (EMAccountEditor *emae)
{
    EAccount *account;
    const gchar *name;
    const gchar *address;
    const gchar *reply_to;

    account = em_account_editor_get_modified_account (emae);

    name = e_account_get_string (account, E_ACCOUNT_ID_NAME);
    address = e_account_get_string (account, E_ACCOUNT_ID_ADDRESS);
    reply_to = e_account_get_string (account, E_ACCOUNT_ID_REPLY_TO);

    if (name == NULL || *name == '\0')
        return FALSE;

    if (address == NULL || !is_email (address))
        return FALSE;

    /* An empty reply_to string is allowed. */
    if (reply_to != NULL && *reply_to != '\0' && !is_email (reply_to))
        return FALSE;

    return TRUE;
}

static gboolean
emae_check_review_complete (EMAccountEditor *emae)
{
    EAccount *account;
    const gchar *display_name;

    account = em_account_editor_get_modified_account (emae);
    display_name = e_account_get_string (account, E_ACCOUNT_NAME);

    if (display_name == NULL || *display_name == '\0')
        return FALSE;

    if (emae_display_name_in_use (emae, display_name))
        return FALSE;

    return TRUE;
}

static gboolean
emae_check_complete (EConfig *ec,
                     const gchar *pageid,
                     gpointer data)
{
    EMAccountEditor *emae = data;
    EAccount *account;
    enum _e_config_t config_type;
    gboolean refresh = FALSE;
    gboolean new_account;
    const gchar *address;
    gchar *host = NULL;
    gboolean ok = TRUE;

    config_type = ((EConfig *) emae->priv->config)->type;
    new_account = (em_account_editor_get_original_account (emae) == NULL);

    account = em_account_editor_get_modified_account (emae);
    address = e_account_get_string (account, E_ACCOUNT_ID_ADDRESS);

    if (CAMEL_IS_NETWORK_SETTINGS (emae->priv->source.settings))
        host = camel_network_settings_dup_host (
            CAMEL_NETWORK_SETTINGS (emae->priv->source.settings));

    /* We use the page-check of various pages to 'prepare' or
     * pre-load their values, only in the assistant. */

    if (pageid == NULL || config_type != E_CONFIG_ASSISTANT)
        goto skip_prepare;

    if (strcmp (pageid, "10.receive") == 0) {
        if (!emae->priv->receive_set) {

            /* FIXME Do this asynchronously! */
            emae->priv->selected_server =
                emae_check_servers (address);

            if (new_account) {
                emae_init_receive_page_for_new_account (emae);
                refresh = TRUE;
            }
            if (emae->priv->selected_server != NULL)
                emae_init_receive_page_for_server_data (emae);

            emae->priv->receive_set = TRUE;
        }

    } else if (strcmp (pageid, "30.send") == 0) {
        if (!emae->priv->send_set) {
            if (new_account)
                emae_init_send_page_for_new_account (emae);
            if (emae->priv->selected_server != NULL) {
                emae_init_send_page_for_server_data (emae);
                refresh = TRUE;
            }

            emae->priv->send_set = TRUE;
        }

    } else if (strcmp (pageid, "20.receive_options") == 0) {
        if (!emae->priv->receive_opt_set) {
            CamelProvider *provider;

            provider = emae_get_store_provider (emae);

            if (provider != NULL
            && emae->priv->extra_provider != provider) {
                emae->priv->extra_provider = provider;
                emae_auto_detect (emae);
            }

            emae->priv->receive_opt_set = TRUE;
        }

    /* Review page is only shown in the assistant. */
    } else if (strcmp (pageid, "50.review") == 0) {
        if (!emae->priv->review_set) {
            emae_init_review_page (emae);
            emae->priv->review_set = TRUE;
        }

        emae_update_review_page (emae);

        /* Google and Yahoo get special treatment. */

        emae->priv->is_gmail = FALSE;
        emae->priv->is_yahoo = FALSE;

        if (e_util_utf8_strstrcase (host, "gmail")) {
            emae->priv->is_gmail = TRUE;
            emae_update_review_page_for_google (emae);

        } else if (e_util_utf8_strstrcase (host, "googlemail")) {
            emae->priv->is_gmail = TRUE;
            emae_update_review_page_for_google (emae);

        } else if (e_util_utf8_strstrcase (host, "yahoo.")) {
            emae->priv->is_yahoo = TRUE;
            emae_update_review_page_for_yahoo (emae);

        } else if (e_util_utf8_strstrcase (host, "ymail.")) {
            emae->priv->is_yahoo = TRUE;
            emae_update_review_page_for_yahoo (emae);

        } else if (e_util_utf8_strstrcase (host, "rocketmail.")) {
            emae->priv->is_yahoo = TRUE;
            emae_update_review_page_for_yahoo (emae);
        }
    }

skip_prepare:
    /*
     * Setting a flag on the Account if it is marked as default. It is
     * done in this way instead of using a temporary variable so as to
     * keep track of which account is marked as default in case of
     * editing multiple accounts at a time.
     */
    if (gtk_toggle_button_get_active (emae->priv->default_account))
        g_object_set_data (G_OBJECT (account), "default_flagged", GINT_TO_POINTER(1));

    if (ok && (pageid == NULL || strcmp (pageid, "00.identity") == 0))
        ok = emae_check_identity_complete (emae);

    if (ok && (pageid == NULL || strcmp (pageid, "10.receive") == 0)) {
        if (emae->type != EMAE_NOTEBOOK && refresh) {
            emae_refresh_providers (
                emae, &emae->priv->source);
            emae_provider_changed (
                emae->priv->source.providers,
                &emae->priv->source);
        }
        ok = emae_check_service_complete (emae, &emae->priv->source);
    }

    if (ok && (pageid == NULL || strcmp (pageid, "30.send") == 0)) {
        CamelProvider *provider;

        provider = emae_get_store_provider (emae);
        if (!provider || !CAMEL_PROVIDER_IS_STORE_AND_TRANSPORT (provider)) {
            if (emae->type != EMAE_NOTEBOOK && refresh) {
                emae_refresh_providers (
                    emae, &emae->priv->transport);
                emae_provider_changed (
                    emae->priv->transport.providers,
                    &emae->priv->transport);
            }
            ok = emae_check_service_complete (
                emae, &emae->priv->transport);
        }
    }

    if (ok && (pageid == NULL || strcmp (pageid, "50.review") == 0))
        ok = emae_check_review_complete (emae);

    g_free (host);

    return ok;
}

gboolean
em_account_editor_check (EMAccountEditor *emae,
                         const gchar *page)
{
    return emae_check_complete ((EConfig *) emae->config, page, emae);
}

static void
forget_password_if_needed (EAccount *original_account,
                           EAccount *modified_account,
                           e_account_item_t save_pass_itm,
                           e_account_item_t url_itm)
{
    const gchar *orig_url, *modif_url;

    g_return_if_fail (original_account != NULL);
    g_return_if_fail (modified_account != NULL);

    orig_url = e_account_get_string (original_account, url_itm);
    modif_url = e_account_get_string (modified_account, url_itm);

    if (orig_url && !*orig_url)
        orig_url = NULL;

    if (modif_url && !*modif_url)
        modif_url = NULL;

    if ((e_account_get_bool (original_account, save_pass_itm) != e_account_get_bool (modified_account, save_pass_itm)
        && !e_account_get_bool (modified_account, save_pass_itm) && orig_url) ||
        (orig_url && !modif_url)) {
        CamelURL *url;
        gchar *url_str;

        url = camel_url_new (orig_url, NULL);
        if (!url)
            return;

        url_str = camel_url_to_string (url, CAMEL_URL_HIDE_PARAMS);
        if (url_str)
            e_passwords_forget_password (NULL, url_str);

        g_free (url_str);
        camel_url_free (url);
    }
}

#define CALENDAR_CALDAV_URI "caldav://%s@www.google.com/calendar/dav/%s/events"
#define GMAIL_CALENDAR_LOCATION "://www.google.com/calendar/feeds/"
#define CALENDAR_DEFAULT_PATH "/private/full"
#define SELECTED_CALENDARS "selected-calendars"
#define YAHOO_CALENDAR_LOCATION "%s@caldav.calendar.yahoo.com/dav/%s/Calendar/%s"

static gchar *
sanitize_user_mail (const gchar *user)
{
    if (!user)
        return NULL;

    if (strstr (user, "%40") != NULL) {
        return g_strdup (user);
    } else if (!is_email (user)) {
        return g_strconcat (user, "%40gmail.com", NULL);
    } else {
        gchar *tmp = g_malloc0 (sizeof (gchar) * (1 + strlen (user) + 2));
        gchar *at = strchr (user, '@');

        strncpy (tmp, user, at - user);
        strcat (tmp, "%40");
        strcat (tmp, at + 1);

        return tmp;
    }
}

static void
setup_google_addressbook (EMAccountEditor *emae)
{
    GConfClient *gconf;
    ESourceList *slist;
    ESourceGroup *sgrp;
    GSList *sources;
    gboolean source_already_exists = FALSE;
    CamelURL *url;
    gchar * username;

    gconf = gconf_client_get_default ();
    slist = e_source_list_new_for_gconf (gconf, "/apps/evolution/addressbook/sources" );
    sgrp = e_source_list_ensure_group (slist, _("Google"), "google://", TRUE);
    url = emae_account_url (emae, E_ACCOUNT_SOURCE_URL);
    username = g_strdup (url->user);

    sources = e_source_group_peek_sources (sgrp);
    for (; sources; sources = sources->next) {
        ESource *existing = (ESource *) sources->data;
        if (!g_strcmp0 (e_source_peek_relative_uri (existing), username)) {
            source_already_exists = TRUE;
            break;
        }
    }

    if (!source_already_exists) {
        ESource *abook;

        /* FIXME: Not sure if we should localize 'Contacts' */
        abook = e_source_new ("Contacts", "");
        e_source_set_property (abook, "default", "true");
        e_source_set_property (abook, "offline_sync", "1");
        e_source_set_property (abook, "auth", "plain/password");
        e_source_set_property (abook, "use-ssl", "true");
        e_source_set_property (abook, "remember_password", "true");
        e_source_set_property (abook, "refresh-interval", "86400");
        e_source_set_property (abook, "completion", "true");
        e_source_set_property (abook, "username", username);

        e_source_group_add_source (sgrp, abook, -1);
        e_source_set_relative_uri (abook, username);
        e_source_list_sync (slist, NULL);

        g_object_unref (abook);
    }

    g_free (username);
    g_object_unref (slist);
    g_object_unref (sgrp);
    g_object_unref (gconf);
}

static void
setup_google_calendar (EMAccountEditor *emae)
{
    GConfClient *gconf;
    ESourceList *slist;
    ESourceGroup *sgrp;
    ESource *calendar;
    gchar *sanitize_uname, *username;
    gchar *abs_uri, *rel_uri;
    gchar **ids;
    gint i;
    GPtrArray *array;
    CamelURL *url;
    GSettings *settings;

    gconf = gconf_client_get_default ();
    slist = e_source_list_new_for_gconf (gconf, "/apps/evolution/calendar/sources");
    sgrp = e_source_list_ensure_group (slist, _("Google"), "google://", TRUE);
    url = emae_account_url (emae, E_ACCOUNT_SOURCE_URL);
    username = g_strdup (url->user);

    /* FIXME: Not sure if we should localize 'Calendar' */
    calendar = e_source_new ("Calendar", "");
    e_source_set_property (calendar, "ssl", "1");
    e_source_set_property (calendar, "refresh", "30");
    e_source_set_property (calendar, "auth", "1");
    e_source_set_property (calendar, "offline_sync", "1");
    e_source_set_property (calendar, "username", username);
    e_source_set_property (calendar, "setup-username", username);
    e_source_set_property (calendar, "default", "true");
    e_source_set_property (calendar, "alarm", "true");
    e_source_set_readonly (calendar, FALSE);

    e_source_group_add_source (sgrp, calendar, -1);

    sanitize_uname = sanitize_user_mail (username);

    abs_uri = g_strdup_printf (CALENDAR_CALDAV_URI, sanitize_uname, username);
    e_source_set_absolute_uri (calendar, abs_uri);

    rel_uri = g_strconcat ("https", GMAIL_CALENDAR_LOCATION, sanitize_uname, CALENDAR_DEFAULT_PATH, NULL);
    e_source_set_relative_uri (calendar, rel_uri);

    e_source_list_sync (slist, NULL);

    settings = g_settings_new ("org.gnome.evolution.calendar");
    ids = g_settings_get_strv (settings, SELECTED_CALENDARS);
    array = g_ptr_array_new ();
    for (i = 0; ids[i] != NULL; i++)
        g_ptr_array_add (array, ids[i]);
    g_ptr_array_add (array, (gpointer) e_source_peek_uid (calendar));
    g_ptr_array_add (array, NULL);
    g_settings_set_strv (
        settings, SELECTED_CALENDARS,
        (const gchar * const *) array->pdata);

    g_strfreev (ids);
    g_ptr_array_free (array, TRUE);
    g_object_unref (settings);
    g_free (username);
    g_free (abs_uri);
    g_free (rel_uri);
    g_free (sanitize_uname);
    g_object_unref (slist);
    g_object_unref (sgrp);
    g_object_unref (calendar);
    g_object_unref (gconf);
}

static void
setup_yahoo_calendar (EMAccountEditor *emae)
{
    GConfClient *gconf;
    ESourceList *slist;
    ESourceGroup *sgrp;
    ESource *calendar;
    gchar *sanitize_uname;
    gchar *abs_uri, *rel_uri;
    const gchar *email;
    GSettings *settings;
    gchar **ids;
    gint i;
    GPtrArray *array;

    gconf = gconf_client_get_default ();
    email = e_account_get_string (em_account_editor_get_modified_account (emae), E_ACCOUNT_ID_ADDRESS);
    slist = e_source_list_new_for_gconf (gconf, "/apps/evolution/calendar/sources");
    sgrp = e_source_list_peek_group_by_base_uri (slist, "caldav://");
    if (!sgrp) {
        sgrp = e_source_list_ensure_group (slist, _("CalDAV"), "caldav://", TRUE);
    }

    printf("Setting up Yahoo Calendar: list:%p CalDAVGrp: %p\n", slist, sgrp);

    /* FIXME: Not sure if we should localize 'Calendar' */
    calendar = e_source_new ("Yahoo", "");
    e_source_set_property (calendar, "ssl", "1");
    e_source_set_property (calendar, "refresh", "30");
    e_source_set_property (calendar, "refresh-type", "0");
    e_source_set_property (calendar, "auth", "1");
    e_source_set_property (calendar, "offline_sync", "1");
    e_source_set_property (calendar, "username", email);
    e_source_set_property (calendar, "default", "true");
    e_source_set_property (calendar, "alarm", "true");

    e_source_set_readonly (calendar, FALSE);

    sanitize_uname = sanitize_user_mail (email);

    abs_uri = g_strdup_printf ("caldav://%s@caldav.calendar.yahoo.com/dav/%s/Calendar/%s/",
            sanitize_uname, email,  gtk_entry_get_text ((GtkEntry *) emae->priv->yahoo_cal_entry));
    rel_uri = g_strdup_printf (YAHOO_CALENDAR_LOCATION, sanitize_uname, email, gtk_entry_get_text ((GtkEntry *) emae->priv->yahoo_cal_entry));
    e_source_set_relative_uri (calendar, rel_uri);

    e_source_group_add_source (sgrp, calendar, -1);
    e_source_list_sync (slist, NULL);

    settings = g_settings_new ("org.gnome.evolution.calendar");
    ids = g_settings_get_strv (settings, SELECTED_CALENDARS);
    array = g_ptr_array_new ();
    for (i = 0; ids[i] != NULL; i++)
        g_ptr_array_add (array, ids[i]);
    g_ptr_array_add (array, (gpointer) e_source_peek_uid (calendar));
    g_ptr_array_add (array, NULL);
    g_settings_set_strv (
        settings, SELECTED_CALENDARS,
        (const gchar * const *) array->pdata);

    g_strfreev (ids);
    g_ptr_array_free (array, TRUE);
    g_object_unref (settings);
    g_free (abs_uri);
    g_free (rel_uri);
    g_free (sanitize_uname);
    g_object_unref (slist);
    g_object_unref (sgrp);
    g_object_unref (calendar);
    g_object_unref (gconf);
}

static void
emae_commit (EConfig *ec,
             EMAccountEditor *emae)
{
    EAccountList *accounts = e_get_account_list ();
    EAccount *account;
    EAccount *modified_account;
    EAccount *original_account;
    CamelProvider *provider;
    CamelSettings *settings;
    CamelURL *url;
    const gchar *protocol;
    gboolean requires_auth;

    modified_account = em_account_editor_get_modified_account (emae);
    original_account = em_account_editor_get_original_account (emae);
    provider = emae_get_store_provider (emae);

    /* check for google and yahoo specific settings */
    if (!original_account && emae->priv->is_gmail) {
        if (gtk_toggle_button_get_active ((GtkToggleButton *) emae->priv->gcontacts))
            setup_google_addressbook (emae);
        if (gtk_toggle_button_get_active ((GtkToggleButton *) emae->priv->calendar))
            setup_google_calendar (emae);
    } else if (!original_account && emae->priv->is_gmail) {
        if (gtk_toggle_button_get_active ((GtkToggleButton *) emae->priv->calendar))
            setup_yahoo_calendar (emae);
    }

    /* Do some last minute tweaking. */

    settings = emae->priv->source.settings;
    requires_auth = emae_get_store_requires_auth (emae);

    /* Override the selected authentication mechanism name if
     * authentication is not required for the storage service. */
    if (CAMEL_IS_NETWORK_SETTINGS (settings) && !requires_auth)
        g_object_set (settings, "auth-mechanism", NULL, NULL);

    settings = emae->priv->transport.settings;
    requires_auth = emae_get_transport_requires_auth (emae);

    /* Override the selected authentication mechanism name if
     * authentication is not required for the transport service. */
    if (CAMEL_IS_NETWORK_SETTINGS (settings) && !requires_auth)
        g_object_set (settings, "auth-mechanism", NULL, NULL);

    /* Dump the storage service settings to a URL string. */

    url = camel_url_new ("dummy://", NULL);

    protocol = emae->priv->source.protocol;
    settings = emae->priv->source.settings;

    if (g_strcmp0 (protocol, "none") == 0) {
        g_free (modified_account->source->url);
        modified_account->source->url = g_strdup ("");
    } else {
        if (protocol != NULL)
            camel_url_set_protocol (url, protocol);

        if (settings != NULL)
            camel_settings_save_to_url (settings, url);

        g_free (modified_account->source->url);
        modified_account->source->url = camel_url_to_string (url, 0);
    }

    camel_url_free (url);

    /* Dump the transport service settings to a URL string. */

    url = camel_url_new ("dummy://", NULL);

    if (!provider || !CAMEL_PROVIDER_IS_STORE_AND_TRANSPORT (provider))
        protocol = emae->priv->transport.protocol;

    settings = emae->priv->transport.settings;

    if (protocol != NULL)
        camel_url_set_protocol (url, protocol);

    if (settings != NULL)
        camel_settings_save_to_url (settings, url);

    g_free (modified_account->transport->url);
    modified_account->transport->url = camel_url_to_string (url, 0);

    camel_url_free (url);

    if (original_account != NULL) {
        forget_password_if_needed (original_account, modified_account, E_ACCOUNT_SOURCE_SAVE_PASSWD, E_ACCOUNT_SOURCE_URL);
        forget_password_if_needed (original_account, modified_account, E_ACCOUNT_TRANSPORT_SAVE_PASSWD, E_ACCOUNT_TRANSPORT_URL);

        e_account_import (original_account, modified_account);
        account = original_account;
        e_account_list_change (accounts, account);
    } else {
        e_account_list_add (accounts, modified_account);
        account = modified_account;
    }

    if (gtk_toggle_button_get_active (emae->priv->default_account)) {
        EMailBackend *backend;
        EMailSession *session;
        EMailAccountStore *store;
        CamelService *service;

        backend = em_account_editor_get_backend (emae);
        session = e_mail_backend_get_session (backend);

        service = camel_session_get_service (
            CAMEL_SESSION (session), account->uid);

        store = e_mail_ui_session_get_account_store (E_MAIL_UI_SESSION (session));
        e_mail_account_store_set_default_service (store, service);
    }

    e_account_list_save (accounts);
}

void
em_account_editor_commit (EMAccountEditor *emae)
{
    emae_commit (E_CONFIG (emae->config), emae);
}

static void
em_account_editor_construct (EMAccountEditor *emae,
                             EMAccountEditorType type,
                             const gchar *id)
{
    EMAccountEditorPrivate *priv = emae->priv;
    gint i, index;
    GSList *l;
    GList *prov;
    EMConfig *ec;
    EMConfigTargetSettings *target;
    GHashTable *have;
    EConfigItem *items;

    emae->type = type;

    if (type == EMAE_NOTEBOOK) {
        ec = em_config_new (E_CONFIG_BOOK, id);
        items = emae_editor_items;
        if (!emae_editor_items_translated) {
            for (i = 0; items[i].path; i++) {
                if (items[i].label)
                    items[i].label = gettext (items[i].label);
            }
            emae_editor_items_translated = TRUE;
        }
    } else {
        ec = em_config_new (E_CONFIG_ASSISTANT, id);
        items = emae_assistant_items;
        if (!emae_assistant_items_translated) {
            for (i = 0; items[i].path; i++) {
                if (items[i].label)
                    items[i].label = _(items[i].label);
            }
            emae_assistant_items_translated = TRUE;
        }
    }

    /* Connect "after" to let plugins go first. */
    g_signal_connect_after (
        ec, "commit",
        G_CALLBACK (emae_commit), emae);

    g_object_weak_ref (G_OBJECT (ec), emae_config_gone_cb, emae);

    emae->config = priv->config = ec;
    l = NULL;
    for (i = 0; items[i].path; i++)
        l = g_slist_prepend (l, &items[i]);
    e_config_add_items ((EConfig *) ec, l, emae_free, emae);

    /* This is kinda yuck, we're dynamically mapping from the 'old style' extensibility api to the new one */
    l = NULL;
    have = g_hash_table_new (g_str_hash, g_str_equal);
    index = 20;
    for (prov = priv->providers; prov; prov = g_list_next (prov)) {
        CamelProviderConfEntry *entries = ((CamelProvider *) prov->data)->extra_conf;

        for (i = 0; entries && entries[i].type != CAMEL_PROVIDER_CONF_END; i++) {
            struct _receive_options_item *item;
            const gchar *name = entries[i].name;
            gint myindex = index;

            if (entries[i].type != CAMEL_PROVIDER_CONF_SECTION_START
                || name == NULL
                || g_hash_table_lookup (have, name))
                continue;

            /* override mailcheck since we also insert our own mailcheck item at this index */
            if (name && !strcmp (name, "mailcheck"))
                myindex = 10;

            item = g_malloc0 (sizeof (*item));
            item->item.type = E_CONFIG_SECTION_TABLE;
            item->item.path = g_strdup_printf ("20.receive_options/%02d.%s", myindex, name?name:"unnamed");
            item->item.label = g_strdup (entries[i].text);

            l = g_slist_prepend (l, item);

            item = g_malloc0 (sizeof (*item));
            item->item.type = E_CONFIG_ITEM_TABLE;
            item->item.path = g_strdup_printf ("20.receive_options/%02d.%s/80.camelitem", myindex, name?name:"unnamed");
            item->item.factory = emae_receive_options_extra_item;
            item->item.user_data = g_strdup (entries[i].name);

            l = g_slist_prepend (l, item);

            index += 10;
            g_hash_table_insert (have, (gpointer) entries[i].name, have);
        }
    }
    g_hash_table_destroy (have);
    e_config_add_items ((EConfig *) ec, l, emae_free_auto, emae);
    priv->extra_items = l;

    e_config_add_page_check ((EConfig *) ec, NULL, emae_check_complete, emae);

    target = em_config_target_new_settings (
        ec,
        emae->priv->modified_account->id->address,
        emae->priv->source.protocol,
        emae->priv->source.settings,
        emae->priv->transport.protocol,
        emae->priv->transport.settings);
    e_config_set_target ((EConfig *) ec, (EConfigTarget *) target);
}