path: root/modules/mail/em-mailer-prefs.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:
 *      Jeffrey Stedfast <fejj@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

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

#include <string.h>
#include <glib/gi18n-lib.h>

#include "em-mailer-prefs.h"
#include "em-format/em-format.h"

#include <gtkhtml/gtkhtml-properties.h>
#include <libxml/tree.h>

#include "libedataserverui/e-cell-renderer-color.h"

#include <e-util/e-util.h>
#include <e-util/e-datetime-format.h>
#include <e-util/e-util-private.h>

#include <misc/e-charset-combo-box.h>
#include <misc/e-port-entry.h>
#include <shell/e-shell-utils.h>

#include <mail/e-mail-backend.h>
#include <mail/e-mail-junk-options.h>
#include <mail/e-mail-label-manager.h>
#include <mail/e-mail-reader-utils.h>
#include <mail/em-folder-selection-button.h>
#include <mail/em-config.h>

enum {
    HEADER_LIST_NAME_COLUMN, /* displayable name of the header (may be a translation) */
    HEADER_LIST_ENABLED_COLUMN, /* is the header enabled? */
    HEADER_LIST_IS_DEFAULT_COLUMN,  /* is this header a default header, eg From: */
    HEADER_LIST_HEADER_COLUMN, /* the real name of this header */
    HEADER_LIST_N_COLUMNS
};

static GType col_types[] = {
    G_TYPE_STRING,
    G_TYPE_BOOLEAN,
    G_TYPE_BOOLEAN,
    G_TYPE_STRING
};

/* temporarily copied from em-format.c */
static const gchar *default_headers[] = {
    N_("From"),
    N_("Reply-To"),
    N_("To"),
    N_("Cc"),
    N_("Bcc"),
    N_("Subject"),
    N_("Date"),
    N_("Newsgroups"),
    N_("Face"),
    "x-evolution-mailer", /* DO NOT translate */
};

#define EM_FORMAT_HEADER_XMAILER "x-evolution-mailer"

/* for empty trash on exit frequency */
static const struct {
    const gchar *label;
    gint days;
} empty_trash_frequency[] = {
    { N_("Every time"), 0 },
    { N_("Once per day"), 1 },
    { N_("Once per week"), 7 },
    { N_("Once per month"), 30 },
};

G_DEFINE_TYPE (
    EMMailerPrefs,
    em_mailer_prefs,
    GTK_TYPE_VBOX)

static void
em_mailer_prefs_finalize (GObject *object)
{
    EMMailerPrefs *prefs = (EMMailerPrefs *) object;

    g_object_unref (prefs->builder);
    g_object_unref (prefs->gconf);
    g_object_unref (prefs->settings);

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

static void
em_mailer_prefs_class_init (EMMailerPrefsClass *class)
{
    GObjectClass *object_class;

    object_class = G_OBJECT_CLASS (class);
    object_class->finalize = em_mailer_prefs_finalize;
}

static void
em_mailer_prefs_init (EMMailerPrefs *preferences)
{
    preferences->settings = g_settings_new ("org.gnome.evolution.mail");

    /* XXX Still need this for a little while longer. */
    preferences->gconf = gconf_client_get_default ();
}

enum {
    JH_LIST_COLUMN_NAME,
    JH_LIST_COLUMN_VALUE
};

static void
jh_tree_refill (EMMailerPrefs *prefs)
{
    GtkListStore *store = prefs->junk_header_list_store;
    gchar **strv;
    gint ii;

    strv = g_settings_get_strv (prefs->settings, "junk-custom-header");

    gtk_list_store_clear (store);

    for (ii = 0; strv[ii] != NULL; ii++) {
        GtkTreeIter iter;
        gchar **tokens = g_strsplit (strv[ii], "=", 2);

        gtk_list_store_append (store, &iter);
        gtk_list_store_set (
            store, &iter,
            JH_LIST_COLUMN_NAME , tokens[0] ? tokens[0] : "",
            JH_LIST_COLUMN_VALUE, tokens[1] ? tokens[1] : "" ,
            -1);
        g_strfreev (tokens);
    }

    g_strfreev (strv);
}

static void
jh_dialog_entry_changed_cb (GtkEntry *entry,
                            gpointer user_data)
{
    GtkBuilder *builder = GTK_BUILDER (user_data);
    GtkWidget *ok_button, *entry1, *entry2;
    const gchar *name, *value;

    ok_button = e_builder_get_widget (builder, "junk-header-ok");
    entry1 = e_builder_get_widget (builder, "junk-header-name");
    entry2 = e_builder_get_widget (builder, "junk-header-content");

    name = gtk_entry_get_text (GTK_ENTRY (entry1));
    value = gtk_entry_get_text (GTK_ENTRY (entry2));

    gtk_widget_set_sensitive (ok_button, name && *name && value && *value);
}

static void
jh_add_cb (GtkWidget *widget,
           gpointer user_data)
{
    GtkWidget *dialog;
    GtkWidget *entry;
    EMMailerPrefs *prefs = (EMMailerPrefs *) user_data;
    GtkBuilder *builder = gtk_builder_new ();
    gchar *tok;
    const gchar *name, *value;

    e_load_ui_builder_definition (builder, "mail-config.ui");
    dialog = e_builder_get_widget (builder, "add-custom-junk-header");
    jh_dialog_entry_changed_cb (NULL, builder);

    entry = e_builder_get_widget (builder, "junk-header-name");
    g_signal_connect (entry, "changed",
        G_CALLBACK (jh_dialog_entry_changed_cb), builder);
    entry = e_builder_get_widget (builder, "junk-header-content");
    g_signal_connect (entry, "changed",
        G_CALLBACK (jh_dialog_entry_changed_cb), builder);

    if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT) {
        gchar **strv;
        GPtrArray *array;
        gint ii;

        name = gtk_entry_get_text (GTK_ENTRY (e_builder_get_widget (builder, "junk-header-name")));
        value = gtk_entry_get_text (GTK_ENTRY (e_builder_get_widget (builder, "junk-header-content")));

        strv = g_settings_get_strv (prefs->settings, "junk-custom-header");
        array = g_ptr_array_new ();
        for (ii = 0; strv[ii] != NULL; ii++)
            g_ptr_array_add (array, strv[ii]);
        tok = g_strdup_printf ("%s=%s", name, value);
        g_ptr_array_add (array, tok);
        g_ptr_array_add (array, NULL);
        g_settings_set_strv (prefs->settings, "junk-custom-header", (const gchar * const*) array->pdata);

        g_ptr_array_free (array, TRUE);
        g_strfreev (strv);
    }

    g_object_unref (builder);
    gtk_widget_destroy (dialog);

    jh_tree_refill (prefs);
}

static void
jh_remove_cb (GtkWidget *widget,
              gpointer user_data)
{
    EMMailerPrefs *prefs = user_data;
    GtkTreeSelection *selection;
    GtkTreeModel *model;
    GtkTreeIter iter;

    g_return_if_fail (prefs != NULL);

    selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (prefs->junk_header_tree));
    if (gtk_tree_selection_get_selected (selection, &model, &iter)) {
        GPtrArray *array = g_ptr_array_new ();
        gchar *name = NULL, *value = NULL;
        gchar **strv;
        gint ii;

        strv = g_settings_get_strv (prefs->settings, "junk-custom-header");
        gtk_tree_model_get (model, &iter, JH_LIST_COLUMN_NAME, &name, JH_LIST_COLUMN_VALUE, &value, -1);
        for (ii = 0; strv[ii] != NULL; ii++) {
            gchar *test;
            gint len = strlen (name);
            test = strncmp (strv[ii], name, len) == 0 ? (gchar *) strv[ii] + len : NULL;

            if (test) {
                test++;
                if (strcmp (test, value) == 0)
                    continue;
            }

            g_ptr_array_add (array, strv[ii]);
        }

        g_ptr_array_add (array, NULL);

        g_settings_set_strv (prefs->settings, "junk-custom-header", (const gchar * const*) array->pdata);

        g_strfreev (strv);
        g_ptr_array_free (array, TRUE);
        g_free (name);
        g_free (value);

        jh_tree_refill (prefs);
    }
}

static GtkListStore *
init_junk_tree (GtkWidget *label_tree,
                EMMailerPrefs *prefs)
{
    GtkListStore *store;
    GtkCellRenderer *renderer;

    g_return_val_if_fail (label_tree != NULL, NULL);
    g_return_val_if_fail (prefs != NULL, NULL);

    store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_STRING);
    gtk_tree_view_set_model (GTK_TREE_VIEW (label_tree), GTK_TREE_MODEL (store));

    renderer = gtk_cell_renderer_text_new ();
    gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (label_tree), -1, _("Header"), renderer, "text", JH_LIST_COLUMN_NAME, NULL);
    g_object_set (renderer, "editable", TRUE, NULL);

    renderer = gtk_cell_renderer_text_new ();
    gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (label_tree), -1, _("Contains Value"), renderer, "text", JH_LIST_COLUMN_VALUE, NULL);
    g_object_set (renderer, "editable", TRUE, NULL);

    return store;
}

static void
emmp_header_remove_sensitivity (EMMailerPrefs *prefs)
{
    GtkTreeIter iter;
    GtkTreeSelection *selection = gtk_tree_view_get_selection (prefs->header_list);
    gboolean is_default;

    /* remove button should be sensitive if the currenlty selected entry in the list view
     * is not a default header. if there are no entries, or none is selected, it should be
     * disabled
    */
    if (gtk_tree_selection_get_selected (selection, NULL, &iter)) {
        gtk_tree_model_get (GTK_TREE_MODEL (prefs->header_list_store), &iter,
                    HEADER_LIST_IS_DEFAULT_COLUMN, &is_default,
                    -1);
        if (is_default)
            gtk_widget_set_sensitive (GTK_WIDGET (prefs->remove_header), FALSE);
        else
            gtk_widget_set_sensitive (GTK_WIDGET (prefs->remove_header), TRUE);
    } else {
        gtk_widget_set_sensitive (GTK_WIDGET (prefs->remove_header), FALSE);
    }
}

static gboolean
emmp_header_is_valid (const gchar *header)
{
    gint len = g_utf8_strlen (header, -1);

    if (header[0] == 0
        || g_utf8_strchr (header, len, ':') != NULL
        || g_utf8_strchr (header, len, ' ') != NULL)
        return FALSE;

    return TRUE;
}

static void
emmp_header_add_sensitivity (EMMailerPrefs *prefs)
{
    const gchar *entry_contents;
    GtkTreeIter iter;
    gboolean valid;

    /* the add header button should be sensitive if the text box contains
     * a valid header string, that is not a duplicate with something already
     * in the list view
    */
    entry_contents = gtk_entry_get_text (GTK_ENTRY (prefs->entry_header));
    if (!emmp_header_is_valid (entry_contents)) {
        gtk_widget_set_sensitive (GTK_WIDGET (prefs->add_header), FALSE);
        return;
    }

    /* check if this is a duplicate */
    valid = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (prefs->header_list_store), &iter);
    while (valid) {
        gchar *header_name;

        gtk_tree_model_get (GTK_TREE_MODEL (prefs->header_list_store), &iter,
                    HEADER_LIST_HEADER_COLUMN, &header_name,
                    -1);
        if (g_ascii_strcasecmp (header_name, entry_contents) == 0) {
            gtk_widget_set_sensitive (GTK_WIDGET (prefs->add_header), FALSE);
            return;
        }

        valid = gtk_tree_model_iter_next (GTK_TREE_MODEL (prefs->header_list_store), &iter);
    }

    gtk_widget_set_sensitive (GTK_WIDGET (prefs->add_header), TRUE);
}

static void
emmp_save_headers (EMMailerPrefs *prefs)
{
    GSList *header_list;
    GtkTreeIter iter;
    gboolean valid;

    /* Headers */
    header_list = NULL;
    valid = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (prefs->header_list_store), &iter);
    while (valid) {
        struct _EMailReaderHeader h;
        gboolean enabled;
        gchar *xml;

        gtk_tree_model_get (GTK_TREE_MODEL (prefs->header_list_store), &iter,
                    HEADER_LIST_HEADER_COLUMN, &h.name,
                    HEADER_LIST_ENABLED_COLUMN, &enabled,
                    -1);
        h.enabled = enabled;

        if ((xml = e_mail_reader_header_to_xml (&h)))
            header_list = g_slist_append (header_list, xml);

        valid = gtk_tree_model_iter_next (GTK_TREE_MODEL (prefs->header_list_store), &iter);
    }

    gconf_client_set_list (prefs->gconf, "/apps/evolution/mail/display/headers", GCONF_VALUE_STRING, header_list, NULL);
    g_slist_foreach (header_list, (GFunc) g_free, NULL);
    g_slist_free (header_list);
}

static void
emmp_header_list_enabled_toggled (GtkCellRendererToggle *cell,
                                  const gchar *path_string,
                                  EMMailerPrefs *prefs)
{
    GtkTreeModel *model = GTK_TREE_MODEL (prefs->header_list_store);
    GtkTreePath *path = gtk_tree_path_new_from_string (path_string);
    GtkTreeIter iter;
    gint enabled;

    gtk_tree_model_get_iter (model, &iter, path);
    gtk_tree_model_get (model, &iter, HEADER_LIST_ENABLED_COLUMN, &enabled, -1);
    enabled = !enabled;
    gtk_list_store_set (GTK_LIST_STORE (model), &iter, HEADER_LIST_ENABLED_COLUMN,
                enabled, -1);
    gtk_tree_path_free (path);

    emmp_save_headers (prefs);
}

static void
emmp_header_add_header (GtkWidget *widget,
                        EMMailerPrefs *prefs)
{
    GtkTreeModel *model = GTK_TREE_MODEL (prefs->header_list_store);
    GtkTreeIter iter;
    const gchar *text = gtk_entry_get_text (prefs->entry_header);

    g_strstrip ((gchar *) text);

    if (text && (strlen (text) > 0)) {
        gtk_list_store_append (GTK_LIST_STORE (model), &iter);
        gtk_list_store_set (GTK_LIST_STORE (model), &iter,
                HEADER_LIST_NAME_COLUMN, text,
                HEADER_LIST_ENABLED_COLUMN, TRUE,
                HEADER_LIST_HEADER_COLUMN, text,
                HEADER_LIST_IS_DEFAULT_COLUMN, FALSE,
                -1);
        gtk_entry_set_text (prefs->entry_header, "");
        emmp_header_remove_sensitivity (prefs);
        emmp_header_add_sensitivity (prefs);

        emmp_save_headers (prefs);
    }
}

static void
emmp_header_remove_header (GtkWidget *button,
                           gpointer user_data)
{
    EMMailerPrefs *prefs = (EMMailerPrefs *) user_data;
    GtkTreeModel *model = GTK_TREE_MODEL (prefs->header_list_store);
    GtkTreeSelection *selection = gtk_tree_view_get_selection (prefs->header_list);
    GtkTreeIter iter;

    if (!gtk_tree_selection_get_selected (selection, NULL, &iter))
        return;

    gtk_list_store_remove (GTK_LIST_STORE (model), &iter);
    emmp_header_remove_sensitivity (prefs);

    emmp_save_headers (prefs);
}

static void
emmp_header_list_row_selected (GtkTreeSelection *selection,
                               gpointer user_data)
{
    EMMailerPrefs *prefs = (EMMailerPrefs *) user_data;

    emmp_header_remove_sensitivity (prefs);
}

static void
emmp_header_entry_changed (GtkWidget *entry,
                           gpointer user_data)
{
    EMMailerPrefs *prefs = (EMMailerPrefs *) user_data;

    emmp_header_add_sensitivity (prefs);
}

static void
toggle_button_toggled (GtkToggleButton *toggle,
                       EMMailerPrefs *prefs)
{
    const gchar *key;

    key = g_object_get_data ((GObject *) toggle, "key");
    g_settings_set_boolean (prefs->settings, key, gtk_toggle_button_get_active (toggle));
}

static void
junk_book_lookup_button_toggled (GtkToggleButton *toggle,
                                 EMMailerPrefs *prefs)
{
    toggle_button_toggled (toggle, prefs);
    gtk_widget_set_sensitive (GTK_WIDGET (prefs->junk_lookup_local_only), gtk_toggle_button_get_active (toggle));
}

static void
custom_junk_button_toggled (GtkToggleButton *toggle,
                            EMMailerPrefs *prefs)
{
    toggle_button_toggled (toggle, prefs);
    if (gtk_toggle_button_get_active (toggle)) {
        gtk_widget_set_sensitive ((GtkWidget *) prefs->junk_header_remove, TRUE);
        gtk_widget_set_sensitive ((GtkWidget *) prefs->junk_header_add, TRUE);
        gtk_widget_set_sensitive ((GtkWidget *) prefs->junk_header_tree, TRUE);
    } else {
        gtk_widget_set_sensitive ((GtkWidget *) prefs->junk_header_tree, FALSE);
        gtk_widget_set_sensitive ((GtkWidget *) prefs->junk_header_add, FALSE);
        gtk_widget_set_sensitive ((GtkWidget *) prefs->junk_header_remove, FALSE);
    }

}

static void
toggle_button_init (EMMailerPrefs *prefs,
                    GtkToggleButton *toggle,
                    gint not,
                    const gchar *key,
                    GCallback toggled)
{
    gboolean bool;

    bool = g_settings_get_boolean (prefs->settings, key);
    gtk_toggle_button_set_active (toggle, not ? !bool : bool);

    if (toggled) {
        g_object_set_data ((GObject *) toggle, "key", (gpointer) key);
        g_signal_connect (toggle, "toggled", toggled, prefs);
    }

    if (!g_settings_is_writable (prefs->settings, key))
        gtk_widget_set_sensitive (GTK_WIDGET (toggle), FALSE);
}

static void
trash_days_changed (GtkComboBox *combo_box,
                    EMMailerPrefs *prefs)
{
    gint index;

    index = gtk_combo_box_get_active (combo_box);
    g_return_if_fail (index >= 0);
    g_return_if_fail (index < G_N_ELEMENTS (empty_trash_frequency));

    g_settings_set_int (
        prefs->settings,
        "trash-empty-on-exit-days",
        empty_trash_frequency[index].days);
}

static void
emmp_empty_trash_init (EMMailerPrefs *prefs,
                       GtkComboBox *combo_box)
{
    gint days, hist = 0, ii;
    GtkListStore *store;
    GtkTreeIter iter;

    days = g_settings_get_int (
        prefs->settings,
        "trash-empty-on-exit-days");

    store = GTK_LIST_STORE (gtk_combo_box_get_model (combo_box));
    gtk_list_store_clear (store);

    for (ii = 0; ii < G_N_ELEMENTS (empty_trash_frequency); ii++) {
        if (days >= empty_trash_frequency[ii].days)
            hist = ii;

        gtk_list_store_append (store, &iter);
        gtk_list_store_set (store, &iter,
            0,  gettext (empty_trash_frequency[ii].label),
            -1);
    }

    g_signal_connect (
        combo_box, "changed",
        G_CALLBACK (trash_days_changed), prefs);

    gtk_combo_box_set_active (combo_box, hist);
}

static void
junk_days_changed (GtkComboBox *combo_box,
                   EMMailerPrefs *prefs)
{
    gint index;

    index = gtk_combo_box_get_active (combo_box);
    g_return_if_fail (index >= 0);
    g_return_if_fail (index < G_N_ELEMENTS (empty_trash_frequency));

    g_settings_set_int (
        prefs->settings,
        "junk-empty-on-exit-days",
        empty_trash_frequency[index].days);
}

static void
emmp_empty_junk_init (EMMailerPrefs *prefs,
                      GtkComboBox *combo_box)
{
    gint days, hist = 0, ii;
    GtkListStore *store;
    GtkTreeIter iter;

    days = g_settings_get_int (
        prefs->settings,
        "junk-empty-on-exit-days");

    store = GTK_LIST_STORE (gtk_combo_box_get_model (combo_box));
    gtk_list_store_clear (store);

    for (ii = 0; ii < G_N_ELEMENTS (empty_trash_frequency); ii++) {
        if (days >= empty_trash_frequency[ii].days)
            hist = ii;

        gtk_list_store_append (store, &iter);
        gtk_list_store_set (store, &iter,
            0, gettext (empty_trash_frequency[ii].label),
            -1);
    }

    g_signal_connect (
        combo_box, "changed",
        G_CALLBACK (junk_days_changed), prefs);

    gtk_combo_box_set_active (combo_box, hist);
}

static void
http_images_changed (GtkWidget *widget,
                     EMMailerPrefs *prefs)
{
    EMailImageLoadingPolicy policy;

    if (gtk_toggle_button_get_active (prefs->images_always))
        policy = E_MAIL_IMAGE_LOADING_POLICY_ALWAYS;
    else if (gtk_toggle_button_get_active (prefs->images_sometimes))
        policy = E_MAIL_IMAGE_LOADING_POLICY_SOMETIMES;
    else
        policy = E_MAIL_IMAGE_LOADING_POLICY_NEVER;

    g_settings_set_int (prefs->settings, "load-http-images", policy);
}

static GtkWidget *
emmp_widget_glade (EConfig *ec,
                   EConfigItem *item,
                   GtkWidget *parent,
                   GtkWidget *old,
                   gint position,
                   gpointer data)
{
    EMMailerPrefs *prefs = data;

    return e_builder_get_widget (prefs->builder, item->label);
}

/* plugin meta-data */
static EMConfigItem emmp_items[] = {
    { E_CONFIG_BOOK, (gchar *) "", (gchar *) "preferences_toplevel", emmp_widget_glade },
    { E_CONFIG_PAGE, (gchar *) "00.general", (gchar *) "vboxMailGeneral", emmp_widget_glade },
    { E_CONFIG_SECTION, (gchar *) "00.general/10.display", (gchar *) "message-display-vbox", emmp_widget_glade },
    { E_CONFIG_SECTION, (gchar *) "00.general/20.delete", (gchar *) "delete-mail-vbox", emmp_widget_glade },
    { E_CONFIG_PAGE, (gchar *) "10.html", (gchar *) "vboxHtmlMail", emmp_widget_glade },
    { E_CONFIG_SECTION, (gchar *) "10.html/00.general", (gchar *) "html-general-vbox", emmp_widget_glade },
    { E_CONFIG_SECTION, (gchar *) "10.html/10.images", (gchar *) "loading-images-vbox", emmp_widget_glade },
    { E_CONFIG_PAGE, (gchar *) "20.labels", (gchar *) "frameColours", emmp_widget_glade },
    /* this is a table, so we can't use it { E_CONFIG_SECTION, "20.labels/00.labels", "tableColours", emmp_widget_glade }, */
    { E_CONFIG_PAGE, (gchar *) "30.headers", (gchar *) "vboxHeaderTab", emmp_widget_glade },
    /* no subvbox for section { E_CONFIG_PAGE, "30.headers/00.headers", "vbox199", emmp_widget_glade }, */
    { E_CONFIG_PAGE, (gchar *) "40.junk", (gchar *) "vboxJunk", emmp_widget_glade },
    /* no subvbox for section { E_CONFIG_SECTION, "40.junk/00.general", xxx, emmp_widget_glade } */
    { E_CONFIG_SECTION_TABLE, (gchar *) "40.junk/10.options", (gchar *) "junk-general-table", emmp_widget_glade },
};

static void
emmp_free (EConfig *ec,
           GSList *items,
           gpointer data)
{
    /* the prefs data is freed automagically */

    g_slist_free (items);
}

static void
em_mailer_prefs_construct (EMMailerPrefs *prefs,
                           EMailSession *session,
                           EShell *shell)
{
    GSList *header_config_list, *header_add_list, *p;
    EShellSettings *shell_settings;
    GHashTable *default_header_hash;
    GtkWidget *toplevel;
    GtkWidget *container;
    GtkWidget *table;
    GtkWidget *widget;
    GtkTreeSelection *selection;
    GtkCellRenderer *renderer;
    GtkTreeIter iter;
    gboolean locked;
    gint val, i;
    EMConfig *ec;
    EMConfigTargetPrefs *target;
    GSList *l;

    shell_settings = e_shell_get_shell_settings (shell);

    /* 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;

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

    /** @HookPoint-EMConfig: Mail Preferences Page
     * @Id: org.gnome.evolution.mail.prefs
     * @Type: E_CONFIG_BOOK
     * @Class: org.gnome.evolution.mail.config:1.0
     * @Target: EMConfigTargetPrefs
     *
     * The main mail preferences page.
     */
    ec = em_config_new(E_CONFIG_BOOK, "org.gnome.evolution.mail.prefs");
    l = NULL;
    for (i = 0; i < G_N_ELEMENTS (emmp_items); i++)
        l = g_slist_prepend (l, &emmp_items[i]);
    e_config_add_items ((EConfig *) ec, l, emmp_free, prefs);

    /* General tab */

    widget = e_builder_get_widget (prefs->builder, "chkCheckMailOnStart");
    g_object_bind_property (
        shell_settings, "mail-check-on-start",
        widget, "active",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    widget = e_builder_get_widget (prefs->builder, "chkCheckMailInAllOnStart");
    g_object_bind_property (
        shell_settings, "mail-check-all-on-start",
        widget, "active",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);
    g_object_bind_property (
        shell_settings, "mail-check-on-start",
        widget, "sensitive",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    /* Message Display */

    widget = e_builder_get_widget (prefs->builder, "view-check");
    g_object_bind_property (
        shell_settings, "mail-global-view-setting",
        widget, "active",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    widget = e_charset_combo_box_new ();
    container = e_builder_get_widget (prefs->builder, "hboxDefaultCharset");
    gtk_label_set_mnemonic_widget (GTK_LABEL (e_builder_get_widget (prefs->builder, "lblDefaultCharset")), widget);
    gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
    gtk_widget_show (widget);
    g_object_bind_property (
        shell_settings, "mail-charset",
        widget, "charset",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    widget = e_builder_get_widget (prefs->builder, "chkHighlightCitations");
    g_object_bind_property (
        shell_settings, "mail-mark-citations",
        widget, "active",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    widget = e_builder_get_widget (prefs->builder, "colorButtonHighlightCitations");
    g_object_bind_property (
        shell_settings, "mail-mark-citations",
        widget, "sensitive",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);
    g_object_bind_property_full (
        shell_settings, "mail-citation-color",
        widget, "color",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE,
        e_binding_transform_string_to_color,
        e_binding_transform_color_to_string,
        NULL, (GDestroyNotify) NULL);

    widget = e_builder_get_widget (prefs->builder, "thread-by-subject");
    g_object_bind_property (
        shell_settings, "mail-thread-by-subject",
        widget, "active",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    /* Deleting Mail */
    widget = e_builder_get_widget (prefs->builder, "chkEmptyTrashOnExit");
    g_object_bind_property (
        shell_settings, "mail-empty-trash-on-exit",
        widget, "active",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    widget = e_builder_get_widget (prefs->builder, "comboboxEmptyTrashDays");
    g_object_bind_property (
        shell_settings, "mail-empty-trash-on-exit",
        widget, "sensitive",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);
    emmp_empty_trash_init (prefs, GTK_COMBO_BOX (widget));

    widget = e_builder_get_widget (prefs->builder, "chkConfirmExpunge");
    g_object_bind_property (
        shell_settings, "mail-confirm-expunge",
        widget, "active",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    /* Mail Fonts */
    widget = e_builder_get_widget (prefs->builder, "radFontUseSame");
    g_object_bind_property (
        shell_settings, "mail-use-custom-fonts",
        widget, "active",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE |
        G_BINDING_INVERT_BOOLEAN);

    widget = e_builder_get_widget (prefs->builder, "FontFixed");
    g_object_bind_property (
        shell_settings, "mail-font-monospace",
        widget, "font-name",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);
    g_object_bind_property (
        shell_settings, "mail-use-custom-fonts",
        widget, "sensitive",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    widget = e_builder_get_widget (prefs->builder, "FontVariable");
    g_object_bind_property (
        shell_settings, "mail-font-variable",
        widget, "font-name",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);
    g_object_bind_property (
        shell_settings, "mail-use-custom-fonts",
        widget, "sensitive",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    /* HTML Mail tab */

    /* Loading Images */
    locked = !g_settings_is_writable (prefs->settings, "load-http-images");

    val = g_settings_get_int (prefs->settings, "load-http-images");
    prefs->images_never = GTK_TOGGLE_BUTTON (e_builder_get_widget (prefs->builder, "radImagesNever"));
    gtk_toggle_button_set_active (prefs->images_never, val == E_MAIL_IMAGE_LOADING_POLICY_NEVER);
    if (locked)
        gtk_widget_set_sensitive ((GtkWidget *) prefs->images_never, FALSE);

    prefs->images_sometimes = GTK_TOGGLE_BUTTON (e_builder_get_widget (prefs->builder, "radImagesSometimes"));
    gtk_toggle_button_set_active (prefs->images_sometimes, val == E_MAIL_IMAGE_LOADING_POLICY_SOMETIMES);
    if (locked)
        gtk_widget_set_sensitive ((GtkWidget *) prefs->images_sometimes, FALSE);

    prefs->images_always = GTK_TOGGLE_BUTTON (e_builder_get_widget (prefs->builder, "radImagesAlways"));
    gtk_toggle_button_set_active (prefs->images_always, val == E_MAIL_IMAGE_LOADING_POLICY_ALWAYS);
    if (locked)
        gtk_widget_set_sensitive ((GtkWidget *) prefs->images_always, FALSE);

    g_signal_connect (prefs->images_never, "toggled", G_CALLBACK (http_images_changed), prefs);
    g_signal_connect (prefs->images_sometimes, "toggled", G_CALLBACK (http_images_changed), prefs);
    g_signal_connect (prefs->images_always, "toggled", G_CALLBACK (http_images_changed), prefs);

    widget = e_builder_get_widget (prefs->builder, "chkShowAnimatedImages");
    g_object_bind_property (
        shell_settings, "mail-show-animated-images",
        widget, "active",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    widget = e_builder_get_widget (prefs->builder, "chkPromptWantHTML");
    g_object_bind_property (
        shell_settings, "mail-confirm-unwanted-html",
        widget, "active",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    container = e_builder_get_widget (prefs->builder, "labels-alignment");
    widget = e_mail_label_manager_new ();
    gtk_container_add (GTK_CONTAINER (container), widget);
    gtk_widget_show (widget);

    g_object_bind_property (
        shell_settings, "mail-label-list-store",
        widget, "list-store",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    /* headers */
    locked = !gconf_client_key_is_writable (prefs->gconf, "/apps/evolution/mail/display/headers", NULL);

    widget = e_builder_get_widget (prefs->builder, "photo_show");
    g_object_bind_property (
        shell_settings, "mail-show-sender-photo",
        widget, "active",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    widget = e_builder_get_widget (prefs->builder, "photo_local");
    g_object_bind_property (
        shell_settings, "mail-show-sender-photo",
        widget, "sensitive",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);
    g_object_bind_property (
        shell_settings, "mail-only-local-photos",
        widget, "active",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    /* always de-sensitised until the user types something in the entry */
    prefs->add_header = GTK_BUTTON (e_builder_get_widget (prefs->builder, "cmdHeadersAdd"));
    gtk_widget_set_sensitive ((GtkWidget *) prefs->add_header, FALSE);

    /* always de-sensitised until the user selects a header in the list */
    prefs->remove_header = GTK_BUTTON (e_builder_get_widget (prefs->builder, "cmdHeadersRemove"));
    gtk_widget_set_sensitive ((GtkWidget *) prefs->remove_header, FALSE);

    prefs->entry_header = GTK_ENTRY (e_builder_get_widget (prefs->builder, "txtHeaders"));
    gtk_widget_set_sensitive ((GtkWidget *) prefs->entry_header, !locked);

    prefs->header_list = GTK_TREE_VIEW (e_builder_get_widget (prefs->builder, "treeHeaders"));
    gtk_widget_set_sensitive ((GtkWidget *) prefs->header_list, !locked);

    selection = gtk_tree_view_get_selection (prefs->header_list);
    g_signal_connect (selection, "changed", G_CALLBACK (emmp_header_list_row_selected), prefs);
    g_signal_connect (prefs->entry_header, "changed", G_CALLBACK (emmp_header_entry_changed), prefs);
    g_signal_connect (prefs->entry_header, "activate", G_CALLBACK (emmp_header_add_header), prefs);
    /* initialise the tree with appropriate headings */
    prefs->header_list_store = gtk_list_store_newv (HEADER_LIST_N_COLUMNS, col_types);
    g_signal_connect (prefs->add_header, "clicked", G_CALLBACK (emmp_header_add_header), prefs);
    g_signal_connect (prefs->remove_header, "clicked", G_CALLBACK (emmp_header_remove_header), prefs);
    gtk_tree_view_set_model (prefs->header_list, GTK_TREE_MODEL (prefs->header_list_store));

    renderer = gtk_cell_renderer_toggle_new ();
    g_object_set (renderer, "activatable", TRUE, NULL);
    g_signal_connect (renderer, "toggled", G_CALLBACK (emmp_header_list_enabled_toggled), prefs);
    gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (prefs->header_list), -1,
                             "Enabled", renderer,
                             "active", HEADER_LIST_ENABLED_COLUMN,
                             NULL);
    renderer = gtk_cell_renderer_text_new ();
    gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (prefs->header_list), -1,
                             "Name", renderer,
                             "text", HEADER_LIST_NAME_COLUMN,
                             NULL);

    /* populated the listview with entries; firstly we add all the default headers, and then
     * we add read header configuration out of gconf. If a header in gconf is a default header,
     * we update the enabled flag accordingly
    */
    header_add_list = NULL;
    default_header_hash = g_hash_table_new (g_str_hash, g_str_equal);
    for (i = 0; i < G_N_ELEMENTS (default_headers); i++) {
        EMailReaderHeader *h;

        h = g_malloc (sizeof (EMailReaderHeader));
        h->is_default = TRUE;
        h->name = g_strdup (default_headers[i]);
        h->enabled = strcmp ((gchar *)default_headers[i], "x-evolution-mailer") != 0;
        g_hash_table_insert (default_header_hash, (gpointer) default_headers[i], h);
        header_add_list = g_slist_append (header_add_list, h);
    }

    /* read stored headers from gconf */
    header_config_list = gconf_client_get_list (prefs->gconf, "/apps/evolution/mail/display/headers", GCONF_VALUE_STRING, NULL);
    p = header_config_list;
    while (p) {
        EMailReaderHeader *h, *def;
        gchar *xml = (gchar *) p->data;

        h = e_mail_reader_header_from_xml (xml);
        if (h) {
            def = g_hash_table_lookup (default_header_hash, h->name);
            if (def) {
                def->enabled = h->enabled;
                e_mail_reader_header_free (h);
            } else {
                h->is_default = FALSE;
                header_add_list = g_slist_append (header_add_list, h);
            }
        }

        p = p->next;
    }

    g_hash_table_destroy (default_header_hash);
    g_slist_foreach (header_config_list, (GFunc) g_free, NULL);
    g_slist_free (header_config_list);

    p = header_add_list;
    while (p) {
        struct _EMailReaderHeader *h = (struct _EMailReaderHeader *) p->data;
        const gchar *name;

        if (g_ascii_strcasecmp (h->name, EM_FORMAT_HEADER_XMAILER) == 0)
            name = _("Mailer");
        else
            name = _(h->name);

        gtk_list_store_append (prefs->header_list_store, &iter);
        gtk_list_store_set (prefs->header_list_store, &iter,
                    HEADER_LIST_NAME_COLUMN, name,
                    HEADER_LIST_ENABLED_COLUMN, h->enabled,
                    HEADER_LIST_IS_DEFAULT_COLUMN, h->is_default,
                    HEADER_LIST_HEADER_COLUMN, h->name,
                    -1);

        e_mail_reader_header_free (h);
        p = p->next;
    }

    g_slist_free (header_add_list);

    /* date/time format */
    table = e_builder_get_widget (prefs->builder, "datetime-format-table");
    /* To Translators: 'Table column' is a label for configurable date/time format for table columns showing a date in message list */
    e_datetime_format_add_setup_widget (table, 0, "mail", "table",  DTFormatKindDateTime, _("_Table column:"));
    /* To Translators: 'Date header' is a label for configurable date/time format for 'Date' header in mail message window/preview */
    e_datetime_format_add_setup_widget (table, 1, "mail", "header", DTFormatKindDateTime, _("_Date header:"));
    widget = gtk_check_button_new_with_mnemonic (_("Show _original header value"));
    gtk_widget_show (widget);
    gtk_table_attach ((GtkTable *) table, widget, 0, 3, 2, 3, GTK_EXPAND | GTK_FILL, 0, 12, 0);
    g_object_bind_property (
        shell_settings, "mail-show-real-date",
        widget, "active",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    /* Junk prefs */
    widget = e_builder_get_widget (prefs->builder, "chkCheckIncomingMail");
    g_object_bind_property (
        shell_settings, "mail-check-for-junk",
        widget, "active",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    widget = e_builder_get_widget (prefs->builder, "junk_empty_check");
    g_object_bind_property (
        shell_settings, "mail-empty-junk-on-exit",
        widget, "active",
        G_BINDING_BIDIRECTIONAL |
        G_BINDING_SYNC_CREATE);

    widget = e_builder_get_widget (prefs->builder, "junk_empty_combobox");
    emmp_empty_junk_init (prefs, GTK_COMBO_BOX (widget));
    g_object_bind_property (
        shell_settings, "mail-empty-junk-on-exit",
        widget, "sensitive",
        G_BINDING_SYNC_CREATE);

    widget = e_builder_get_widget (prefs->builder, "junk-module-options");
    e_mail_junk_options_set_session (E_MAIL_JUNK_OPTIONS (widget), session);

    prefs->junk_header_check = (GtkToggleButton *)e_builder_get_widget (prefs->builder, "junk_header_check");
    prefs->junk_header_tree = (GtkTreeView *)e_builder_get_widget (prefs->builder, "junk_header_tree");
    prefs->junk_header_add = (GtkButton *)e_builder_get_widget (prefs->builder, "junk_header_add");
    prefs->junk_header_remove = (GtkButton *)e_builder_get_widget (prefs->builder, "junk_header_remove");
    prefs->junk_book_lookup = (GtkToggleButton *)e_builder_get_widget (prefs->builder, "lookup_book");
    prefs->junk_lookup_local_only = (GtkToggleButton *)e_builder_get_widget (prefs->builder, "junk_lookup_local_only");
    toggle_button_init (
        prefs, prefs->junk_book_lookup,
        FALSE, "junk-lookup-addressbook",
        G_CALLBACK (junk_book_lookup_button_toggled));

    toggle_button_init (
        prefs, prefs->junk_lookup_local_only,
        FALSE, "junk-lookup-addressbook-local-only",
        G_CALLBACK (toggle_button_toggled));

    junk_book_lookup_button_toggled (prefs->junk_book_lookup, prefs);

    prefs->junk_header_list_store = init_junk_tree ((GtkWidget *) prefs->junk_header_tree, prefs);
    toggle_button_init (
        prefs, prefs->junk_header_check,
        FALSE, "junk-check-custom-header",
        G_CALLBACK (custom_junk_button_toggled));

    custom_junk_button_toggled (prefs->junk_header_check, prefs);
    jh_tree_refill (prefs);
    g_signal_connect (
        prefs->junk_header_add, "clicked",
        G_CALLBACK (jh_add_cb), prefs);
    g_signal_connect (
        prefs->junk_header_remove, "clicked",
        G_CALLBACK (jh_remove_cb), prefs);

    /* get our toplevel widget */
    target = em_config_target_new_prefs (ec);
    e_config_set_target ((EConfig *) ec, (EConfigTarget *) target);
    toplevel = e_config_create_widget ((EConfig *) ec);
    gtk_container_add (GTK_CONTAINER (prefs), toplevel);
}

GtkWidget *
em_mailer_prefs_new (EPreferencesWindow *window)
{
    EMMailerPrefs *new;
    EShell *shell;
    EShellBackend *shell_backend;
    EMailBackend *backend;
    EMailSession *session;

    /* XXX Figure out a better way to get the EMailSession. */
    shell = e_preferences_window_get_shell (window);
    shell_backend = e_shell_get_backend_by_name (shell, "mail");

    backend = E_MAIL_BACKEND (shell_backend);
    session = e_mail_backend_get_session (backend);

    new = g_object_new (EM_TYPE_MAILER_PREFS, NULL);

    /* FIXME Kill this function. */
    em_mailer_prefs_construct (new, session, shell);

    return GTK_WIDGET (new);
}