path: root/src/empathy-preferences.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * Copyright (C) 2003-2007 Imendio AB
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 * Boston, MA  02110-1301  USA
 *
 * Authors: Mikael Hallendal <micke@imendio.com>
 *          Richard Hult <richard@imendio.com>
 *          Martyn Russell <martyn@imendio.com>
 *          Danielle Madeley <danielle.madeley@collabora.co.uk>
 */

#include <config.h>

#include <string.h>
#include <stdio.h>

#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <telepathy-glib/telepathy-glib.h>

#include <libempathy/empathy-client-factory.h>
#include <libempathy/empathy-gsettings.h>
#include <libempathy/empathy-utils.h>

#include <libempathy-gtk/empathy-ui-utils.h>
#include <libempathy-gtk/empathy-theme-manager.h>
#include <libempathy-gtk/empathy-spell.h>
#include <libempathy-gtk/empathy-gtk-enum-types.h>
#include <libempathy-gtk/empathy-theme-adium.h>

#include "empathy-preferences.h"

#define DEBUG_FLAG EMPATHY_DEBUG_OTHER
#include <libempathy/empathy-debug.h>

G_DEFINE_TYPE (EmpathyPreferences, empathy_preferences, GTK_TYPE_DIALOG);

#define GET_PRIV(self) ((EmpathyPreferencesPriv *)((EmpathyPreferences *) self)->priv)

static const gchar * empathy_preferences_tabs[] =
{
  "general",
  "notifications",
  "sounds",
  "calls",
  "location",
  "spell",
  "themes",
};

struct _EmpathyPreferencesPriv {
    GtkWidget *notebook;

    GtkWidget *checkbutton_events_notif_area;

    GtkWidget *treeview_sounds;
    GtkWidget *treeview_spell_checker;

    GtkWidget *vbox_chat_theme;
    GtkWidget *combobox_chat_theme;
    GtkWidget *combobox_chat_theme_variant;
    GtkWidget *hbox_chat_theme_variant;
    GtkWidget *sw_chat_theme_preview;
    EmpathyThemeAdium *chat_theme_preview;
    EmpathyThemeManager *theme_manager;

    GSettings *gsettings;
    GSettings *gsettings_chat;
    GSettings *gsettings_call;
    GSettings *gsettings_loc;
    GSettings *gsettings_notify;
    GSettings *gsettings_sound;
    GSettings *gsettings_ui;
    GSettings *gsettings_logger;
};

static void     preferences_setup_widgets                (EmpathyPreferences      *preferences,
                              GtkBuilder          *gui);
static void     preferences_languages_setup              (EmpathyPreferences      *preferences);
static void     preferences_languages_add                (EmpathyPreferences      *preferences);
static void     preferences_languages_save               (EmpathyPreferences      *preferences);
static gboolean preferences_languages_save_foreach       (GtkTreeModel           *model,
                              GtkTreePath            *path,
                              GtkTreeIter            *iter,
                              gchar                 **languages);
static void     preferences_languages_load               (EmpathyPreferences      *preferences);
static gboolean preferences_languages_load_foreach       (GtkTreeModel           *model,
                              GtkTreePath            *path,
                              GtkTreeIter            *iter,
                              GList                  *languages);
static void     preferences_languages_cell_toggled_cb    (GtkCellRendererToggle  *cell,
                              gchar                  *path_string,
                              EmpathyPreferences      *preferences);

enum {
    COL_LANG_ENABLED,
    COL_LANG_CODE,
    COL_LANG_NAME,
    COL_LANG_COUNT
};

enum {
    COL_THEME_VISIBLE_NAME,
    COL_THEME_ADIUM_NAME,
    COL_THEME_ADIUM_INFO,
    COL_THEME_COUNT
};

enum {
    COL_VARIANT_NAME,
    COL_VARIANT_DEFAULT,
    COL_VARIANT_COUNT
};

enum {
    COL_SOUND_ENABLED,
    COL_SOUND_NAME,
    COL_SOUND_KEY,
    COL_SOUND_COUNT
};

typedef struct {
    const char *name;
    const char *key;
} SoundEventEntry;

/* TODO: add phone related sounds also? */
static SoundEventEntry sound_entries [] = {
    { N_("Message received"), EMPATHY_PREFS_SOUNDS_INCOMING_MESSAGE },
    { N_("Message sent"), EMPATHY_PREFS_SOUNDS_OUTGOING_MESSAGE },
    { N_("New conversation"), EMPATHY_PREFS_SOUNDS_NEW_CONVERSATION },
    { N_("Contact comes online"), EMPATHY_PREFS_SOUNDS_CONTACT_LOGIN },
    { N_("Contact goes offline"), EMPATHY_PREFS_SOUNDS_CONTACT_LOGOUT },
    { N_("Account connected"), EMPATHY_PREFS_SOUNDS_SERVICE_LOGIN },
    { N_("Account disconnected"), EMPATHY_PREFS_SOUNDS_SERVICE_LOGOUT }
};

static void
preferences_setup_widgets (EmpathyPreferences *preferences,
               GtkBuilder *gui)
{
    EmpathyPreferencesPriv *priv = GET_PRIV (preferences);
#define BIND_ACTIVE(schema, key, widget) \
    g_settings_bind (priv->gsettings_##schema, EMPATHY_PREFS_##key, \
             gtk_builder_get_object (gui, widget), "active", \
             G_SETTINGS_BIND_DEFAULT);

    BIND_ACTIVE (notify, NOTIFICATIONS_ENABLED,
             "checkbutton_notifications_enabled");
    BIND_ACTIVE (notify, NOTIFICATIONS_DISABLED_AWAY,
             "checkbutton_notifications_disabled_away");
    BIND_ACTIVE (notify, NOTIFICATIONS_FOCUS,
             "checkbutton_notifications_focus");
    BIND_ACTIVE (notify, NOTIFICATIONS_CONTACT_SIGNIN,
             "checkbutton_notifications_contact_signin");
    BIND_ACTIVE (notify, NOTIFICATIONS_CONTACT_SIGNOUT,
             "checkbutton_notifications_contact_signout");

    BIND_ACTIVE (sound, SOUNDS_ENABLED,
             "checkbutton_sounds_enabled");
    BIND_ACTIVE (sound, SOUNDS_DISABLED_AWAY,
             "checkbutton_sounds_disabled_away");

    BIND_ACTIVE (ui, UI_SHOW_OFFLINE,
             "checkbutton_show_offline");
    BIND_ACTIVE (ui, UI_SHOW_GROUPS,
             "checkbutton_show_groups");
    BIND_ACTIVE (ui, UI_SEPARATE_CHAT_WINDOWS,
             "radiobutton_chats_new_windows");
    BIND_ACTIVE (ui, UI_EVENTS_NOTIFY_AREA,
             "checkbutton_events_notif_area");
    BIND_ACTIVE (ui, UI_SHOW_BALANCES,
             "checkbutton_show_balances");

    BIND_ACTIVE (chat, CHAT_SHOW_SMILEYS,
             "checkbutton_show_smileys");
    BIND_ACTIVE (chat, CHAT_SHOW_CONTACTS_IN_ROOMS,
             "checkbutton_show_contacts_in_rooms");

    BIND_ACTIVE (call, CALL_ECHO_CANCELLATION,
             "call_echo_cancellation");

    BIND_ACTIVE (loc, LOCATION_PUBLISH,
             "checkbutton_location_publish");
    BIND_ACTIVE (loc, LOCATION_RESOURCE_NETWORK,
             "checkbutton_location_resource_network");
    BIND_ACTIVE (loc, LOCATION_RESOURCE_CELL,
             "checkbutton_location_resource_cell");
    BIND_ACTIVE (loc, LOCATION_RESOURCE_GPS,
             "checkbutton_location_resource_gps");
    BIND_ACTIVE (loc, LOCATION_REDUCE_ACCURACY,
             "checkbutton_location_reduce_accuracy");

    BIND_ACTIVE (logger, LOGGER_ENABLED,
             "checkbutton_logging");

#undef BIND_ACTIVE

#define BIND_SENSITIVE(schema, key, widget) \
    g_settings_bind (priv->gsettings_##schema, EMPATHY_PREFS_##key, \
             gtk_builder_get_object (gui, widget), "sensitive", \
            G_SETTINGS_BIND_GET);
    /* N.B. BIND_SENSITIVE() is in addition to the sensitivity setting of
     *      BIND_ACTIVE() */
    BIND_SENSITIVE (notify, NOTIFICATIONS_ENABLED,
            "checkbutton_notifications_disabled_away");
    BIND_SENSITIVE (notify, NOTIFICATIONS_ENABLED,
            "checkbutton_notifications_focus");
    BIND_SENSITIVE (notify, NOTIFICATIONS_ENABLED,
            "checkbutton_notifications_contact_signin");
    BIND_SENSITIVE (notify, NOTIFICATIONS_ENABLED,
            "checkbutton_notifications_contact_signout");

    BIND_SENSITIVE (sound, SOUNDS_ENABLED,
            "checkbutton_sounds_disabled_away");
    BIND_SENSITIVE (sound, SOUNDS_ENABLED,
            "treeview_sounds");

    BIND_SENSITIVE (loc, LOCATION_PUBLISH,
            "checkbutton_location_resource_network");
    BIND_SENSITIVE (loc, LOCATION_PUBLISH,
            "checkbutton_location_resource_cell");
    BIND_SENSITIVE (loc, LOCATION_PUBLISH,
            "checkbutton_location_resource_gps");
    BIND_SENSITIVE (loc, LOCATION_PUBLISH,
            "checkbutton_location_reduce_accuracy");

#undef BIND_SENSITIVE

    g_settings_bind (priv->gsettings,
             EMPATHY_PREFS_AUTOCONNECT,
             gtk_builder_get_object (gui,
                         "checkbutton_autoconnect"),
             "active",
             G_SETTINGS_BIND_DEFAULT);
}

static void
preferences_sound_cell_toggled_cb (GtkCellRendererToggle *toggle,
                   char *path_string,
                   EmpathyPreferences *preferences)
{
    EmpathyPreferencesPriv *priv = GET_PRIV (preferences);
    GtkTreePath *path;
    gboolean instore;
    GtkTreeIter iter;
    GtkTreeView *view;
    GtkTreeModel *model;
    char *key;

    view = GTK_TREE_VIEW (priv->treeview_sounds);
    model = gtk_tree_view_get_model (view);

    path = gtk_tree_path_new_from_string (path_string);

    gtk_tree_model_get_iter (model, &iter, path);
    gtk_tree_model_get (model, &iter, COL_SOUND_KEY, &key,
                COL_SOUND_ENABLED, &instore, -1);

    instore ^= 1;

    gtk_list_store_set (GTK_LIST_STORE (model), &iter,
                COL_SOUND_ENABLED, instore, -1);

    g_settings_set_boolean (priv->gsettings_sound, key, instore);

    g_free (key);
    gtk_tree_path_free (path);
}

static void
preferences_sound_load (EmpathyPreferences *preferences)
{
    EmpathyPreferencesPriv *priv = GET_PRIV (preferences);
    guint i;
    GtkTreeView *view;
    GtkListStore *store;
    GtkTreeIter iter;
    gboolean set;

    view = GTK_TREE_VIEW (priv->treeview_sounds);
    store = GTK_LIST_STORE (gtk_tree_view_get_model (view));

    for (i = 0; i < G_N_ELEMENTS (sound_entries); i++) {
        set = g_settings_get_boolean (priv->gsettings_sound,
                          sound_entries[i].key);

        gtk_list_store_insert_with_values (store, &iter, i,
                           COL_SOUND_NAME, gettext (sound_entries[i].name),
                           COL_SOUND_KEY, sound_entries[i].key,
                           COL_SOUND_ENABLED, set, -1);
    }
}

static void
preferences_sound_setup (EmpathyPreferences *preferences)
{
    EmpathyPreferencesPriv *priv = GET_PRIV (preferences);
    GtkTreeView *view;
    GtkListStore *store;
    GtkCellRenderer *renderer;
    GtkTreeViewColumn *column;

    view = GTK_TREE_VIEW (priv->treeview_sounds);

    store = gtk_list_store_new (COL_SOUND_COUNT,
                    G_TYPE_BOOLEAN, /* enabled */
                    G_TYPE_STRING,  /* name */
                    G_TYPE_STRING); /* key */

    gtk_tree_view_set_model (view, GTK_TREE_MODEL (store));

    renderer = gtk_cell_renderer_toggle_new ();
    g_signal_connect (renderer, "toggled",
              G_CALLBACK (preferences_sound_cell_toggled_cb),
              preferences);

    column = gtk_tree_view_column_new ();
    gtk_tree_view_column_pack_start (column, renderer, FALSE);
    gtk_tree_view_column_add_attribute (column, renderer,
                        "active", COL_SOUND_ENABLED);

    renderer = gtk_cell_renderer_text_new ();
    gtk_tree_view_column_pack_start (column, renderer, FALSE);
    gtk_tree_view_column_add_attribute (column, renderer,
                        "text", COL_SOUND_NAME);

    gtk_tree_view_append_column (view, column);

    gtk_tree_view_column_set_resizable (column, FALSE);
    gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE);

    g_object_unref (store);
}

static void
preferences_languages_setup (EmpathyPreferences *preferences)
{
    EmpathyPreferencesPriv *priv = GET_PRIV (preferences);
    GtkTreeView       *view;
    GtkListStore      *store;
    GtkTreeSelection  *selection;
    GtkTreeViewColumn *column;
    GtkCellRenderer   *renderer;
    guint              col_offset;

    view = GTK_TREE_VIEW (priv->treeview_spell_checker);

    store = gtk_list_store_new (COL_LANG_COUNT,
                    G_TYPE_BOOLEAN,  /* enabled */
                    G_TYPE_STRING,   /* code */
                    G_TYPE_STRING);  /* name */

    gtk_tree_view_set_model (view, GTK_TREE_MODEL (store));

    selection = gtk_tree_view_get_selection (view);
    gtk_tree_selection_set_mode (selection, GTK_SELECTION_SINGLE);

    renderer = gtk_cell_renderer_toggle_new ();
    g_signal_connect (renderer, "toggled",
              G_CALLBACK (preferences_languages_cell_toggled_cb),
              preferences);

    column = gtk_tree_view_column_new_with_attributes (NULL, renderer,
                               "active", COL_LANG_ENABLED,
                               NULL);

    gtk_tree_view_append_column (view, column);

    renderer = gtk_cell_renderer_text_new ();
    col_offset = gtk_tree_view_insert_column_with_attributes (view,
                                  -1, _("Language"),
                                  renderer,
                                  "text", COL_LANG_NAME,
                                  NULL);

    g_object_set_data (G_OBJECT (renderer),
               "column", GINT_TO_POINTER (COL_LANG_NAME));

    column = gtk_tree_view_get_column (view, col_offset - 1);
    gtk_tree_view_column_set_sort_column_id (column, COL_LANG_NAME);
    gtk_tree_view_column_set_resizable (column, FALSE);
    gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE);

    g_object_unref (store);
}

static void
preferences_languages_add (EmpathyPreferences *preferences)
{
    EmpathyPreferencesPriv *priv = GET_PRIV (preferences);
    GtkTreeView  *view;
    GtkListStore *store;
    GList        *codes, *l;

    view = GTK_TREE_VIEW (priv->treeview_spell_checker);
    store = GTK_LIST_STORE (gtk_tree_view_get_model (view));

    codes = empathy_spell_get_language_codes ();

    if (!codes) {
        gtk_widget_set_sensitive (priv->treeview_spell_checker, FALSE);
    }

    for (l = codes; l; l = l->next) {
        const gchar *code;
        const gchar *name;

        code = l->data;
        name = empathy_spell_get_language_name (code);
        if (!name) {
            continue;
        }

        gtk_list_store_insert_with_values (store, NULL, -1,
                    COL_LANG_CODE, code,
                    COL_LANG_NAME, name,
                    -1);
    }

    empathy_spell_free_language_codes (codes);
}

static void
preferences_languages_save (EmpathyPreferences *preferences)
{
    EmpathyPreferencesPriv *priv = GET_PRIV (preferences);
    GtkTreeView       *view;
    GtkTreeModel      *model;

    gchar             *languages = NULL;

    view = GTK_TREE_VIEW (priv->treeview_spell_checker);
    model = gtk_tree_view_get_model (view);

    gtk_tree_model_foreach (model,
                (GtkTreeModelForeachFunc) preferences_languages_save_foreach,
                &languages);

    /* if user selects no languages, we don't want spell check */
    g_settings_set_boolean (priv->gsettings_chat,
                EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED,
                languages != NULL);

    g_settings_set_string (priv->gsettings_chat,
                   EMPATHY_PREFS_CHAT_SPELL_CHECKER_LANGUAGES,
                   languages != NULL ? languages : "");

    g_free (languages);
}

static gboolean
preferences_languages_save_foreach (GtkTreeModel  *model,
                    GtkTreePath   *path,
                    GtkTreeIter   *iter,
                    gchar        **languages)
{
    gboolean  enabled;
    gchar    *code;

    if (!languages) {
        return TRUE;
    }

    gtk_tree_model_get (model, iter, COL_LANG_ENABLED, &enabled, -1);
    if (!enabled) {
        return FALSE;
    }

    gtk_tree_model_get (model, iter, COL_LANG_CODE, &code, -1);
    if (!code) {
        return FALSE;
    }

    if (!(*languages)) {
        *languages = g_strdup (code);
    } else {
        gchar *str = *languages;
        *languages = g_strdup_printf ("%s,%s", str, code);
        g_free (str);
    }

    g_free (code);

    return FALSE;
}

static void
preferences_languages_load (EmpathyPreferences *preferences)
{
    EmpathyPreferencesPriv *priv = GET_PRIV (preferences);
    GtkTreeView   *view;
    GtkTreeModel  *model;
    GList         *enabled_codes;

    enabled_codes = empathy_spell_get_enabled_language_codes ();

    g_settings_set_boolean (priv->gsettings_chat,
                EMPATHY_PREFS_CHAT_SPELL_CHECKER_ENABLED,
                enabled_codes != NULL);

    if (enabled_codes == NULL)
        return;

    view = GTK_TREE_VIEW (priv->treeview_spell_checker);
    model = gtk_tree_view_get_model (view);

    gtk_tree_model_foreach (model,
                (GtkTreeModelForeachFunc) preferences_languages_load_foreach,
                enabled_codes);

    g_list_free (enabled_codes);
}

static gboolean
preferences_languages_load_foreach (GtkTreeModel  *model,
                    GtkTreePath   *path,
                    GtkTreeIter   *iter,
                    GList         *languages)
{
    gchar    *code;
    gboolean  found = FALSE;

    if (!languages) {
        return TRUE;
    }

    gtk_tree_model_get (model, iter, COL_LANG_CODE, &code, -1);
    if (!code) {
        return FALSE;
    }

    if (g_list_find_custom (languages, code, (GCompareFunc) strcmp)) {
        found = TRUE;
    }

    g_free (code);
    gtk_list_store_set (GTK_LIST_STORE (model), iter, COL_LANG_ENABLED, found, -1);
    return FALSE;
}

static void
preferences_languages_cell_toggled_cb (GtkCellRendererToggle *cell,
                       gchar                 *path_string,
                       EmpathyPreferences     *preferences)
{
    EmpathyPreferencesPriv *priv = GET_PRIV (preferences);
    GtkTreeView  *view;
    GtkTreeModel *model;
    GtkListStore *store;
    GtkTreePath  *path;
    GtkTreeIter   iter;
    gboolean      enabled;

    view = GTK_TREE_VIEW (priv->treeview_spell_checker);
    model = gtk_tree_view_get_model (view);
    store = GTK_LIST_STORE (model);

    path = gtk_tree_path_new_from_string (path_string);

    gtk_tree_model_get_iter (model, &iter, path);
    gtk_tree_model_get (model, &iter, COL_LANG_ENABLED, &enabled, -1);

    enabled ^= 1;

    gtk_list_store_set (store, &iter, COL_LANG_ENABLED, enabled, -1);
    gtk_tree_path_free (path);

    preferences_languages_save (preferences);
}

static void
preferences_preview_theme_append_message (EmpathyThemeAdium *view,
                      EmpathyContact *sender,
                      EmpathyContact *receiver,
                      const gchar *text,
                      gboolean should_highlight)
{
    EmpathyMessage *message;

    message = g_object_new (EMPATHY_TYPE_MESSAGE,
        "sender", sender,
        "receiver", receiver,
        "body", text,
        NULL);

    empathy_theme_adium_append_message (view, message, should_highlight);
    g_object_unref (message);
}

static void
preferences_preview_theme_changed_cb (EmpathyThemeManager *manager,
                      EmpathyPreferences  *preferences)
{
    EmpathyPreferencesPriv *priv = GET_PRIV (preferences);
    EmpathyClientFactory *factory;
    TpAccount *account;
    EmpathyContact *juliet;
    EmpathyContact *romeo;

    DEBUG ("Theme changed, update preview widget");

    if (priv->chat_theme_preview != NULL) {
        gtk_widget_destroy (GTK_WIDGET (priv->chat_theme_preview));
    }
    priv->chat_theme_preview = empathy_theme_manager_create_view (manager);
    gtk_container_add (GTK_CONTAINER (priv->sw_chat_theme_preview),
               GTK_WIDGET (priv->chat_theme_preview));
    gtk_widget_show (GTK_WIDGET (priv->chat_theme_preview));

    /* FIXME: It is ugly to add a fake conversation like that.
     * Would be cool if we could request a TplLogManager for a fake
     * conversation */
    factory = empathy_client_factory_dup ();

    account = tp_simple_client_factory_ensure_account (
        TP_SIMPLE_CLIENT_FACTORY (factory),
        TP_ACCOUNT_OBJECT_PATH_BASE "cm/jabber/account", NULL, NULL);
    juliet = g_object_new (EMPATHY_TYPE_CONTACT,
        "account", account,
        "id", "juliet",
        /* translators: Contact name for the chat theme preview */
        "alias", _("Juliet"),
        "is-user", FALSE,
        NULL);
    romeo = g_object_new (EMPATHY_TYPE_CONTACT,
        "account", account,
        "id", "romeo",
        /* translators: Contact name for the chat theme preview */
        "alias", _("Romeo"),
        "is-user", TRUE,
        NULL);

    preferences_preview_theme_append_message (priv->chat_theme_preview,
        /* translators: Quote from Romeo & Julier, for chat theme preview */
        juliet, romeo, _("O Romeo, Romeo, wherefore art thou Romeo?"),
        TRUE /* this message mentions Romeo */);
    preferences_preview_theme_append_message (priv->chat_theme_preview,
        /* translators: Quote from Romeo & Julier, for chat theme preview */
        juliet, romeo, _("Deny thy father and refuse thy name;"), FALSE);
    preferences_preview_theme_append_message (priv->chat_theme_preview,
        /* translators: Quote from Romeo & Julier, for chat theme preview */
        juliet, romeo, _("Or if thou wilt not, be but sworn my love"), FALSE);
    preferences_preview_theme_append_message (priv->chat_theme_preview,
        /* translators: Quote from Romeo & Julier, for chat theme preview */
        juliet, romeo, _("And I'll no longer be a Capulet."), FALSE);
    preferences_preview_theme_append_message (priv->chat_theme_preview,
        /* translators: Quote from Romeo & Julier, for chat theme preview */
        romeo, juliet, _("Shall I hear more, or shall I speak at this?"), FALSE);

    /* translators: Quote from Romeo & Julier, for chat theme preview */
    empathy_theme_adium_append_event (priv->chat_theme_preview, _("Juliet has disconnected"));

    g_object_unref (juliet);
    g_object_unref (romeo);
    g_object_unref (account);
    g_object_unref (factory);
}

static void
preferences_theme_variant_changed_cb (GtkComboBox        *combo,
                      EmpathyPreferences *preferences)
{
    EmpathyPreferencesPriv *priv = GET_PRIV (preferences);
    GtkTreeIter   iter;

    if (gtk_combo_box_get_active_iter (combo, &iter)) {
        GtkTreeModel *model;
        gchar        *name;

        model = gtk_combo_box_get_model (combo);
        gtk_tree_model_get (model, &iter,
                    COL_VARIANT_NAME, &name,
                    -1);

        g_settings_set_string (priv->gsettings_chat,
                       EMPATHY_PREFS_CHAT_THEME_VARIANT,
                       name);

        g_free (name);
    }
}

static void
preferences_theme_variant_notify_cb (GSettings   *gsettings,
                     const gchar *key,
                     gpointer     user_data)
{
    EmpathyPreferences *preferences = user_data;
    EmpathyPreferencesPriv *priv = GET_PRIV (preferences);
    GtkComboBox        *combo;
    gchar              *conf_name;
    GtkTreeModel       *model;
    GtkTreeIter         iter;
    GtkTreeIter         default_iter;
    gboolean            found_default = FALSE;
    gboolean            found = FALSE;
    gboolean            ok;

    conf_name = g_settings_get_string (gsettings, EMPATHY_PREFS_CHAT_THEME_VARIANT);
    combo = GTK_COMBO_BOX (priv->combobox_chat_theme_variant);
    model = gtk_combo_box_get_model (combo);

    for (ok = gtk_tree_model_get_iter_first (model, &iter);
         ok && !found;
         ok = gtk_tree_model_iter_next (model, &iter)) {
        gchar *name;
        gboolean is_default;

        gtk_tree_model_get (model, &iter,
                    COL_VARIANT_NAME, &name,
                    COL_VARIANT_DEFAULT, &is_default,
                    -1);

        if (!tp_strdiff (name, conf_name)) {
            found = TRUE;
            gtk_combo_box_set_active_iter (combo, &iter);
        }
        if (is_default) {
            found_default = TRUE;
            default_iter = iter;
        }

        g_free (name);
    }

    /* Fallback to the first one. */
    if (!found) {
        if (found_default) {
            gtk_combo_box_set_active_iter (combo, &default_iter);
        } else if (gtk_tree_model_get_iter_first (model, &iter)) {
            gtk_combo_box_set_active_iter (combo, &iter);
        }
    }

    g_free (conf_name);
}

/* return TRUE if we added at least one variant */
static gboolean
preferences_theme_variants_fill (EmpathyPreferences *preferences,
                 GHashTable         *info)
{
    EmpathyPreferencesPriv *priv = GET_PRIV (preferences);
    GtkTreeModel *model;
    GtkListStore *store;
    GPtrArray    *variants;
    const gchar  *default_variant;
    guint         i;
    gboolean      result = FALSE;

    model = gtk_combo_box_get_model (GTK_COMBO_BOX (priv->combobox_chat_theme_variant));
    store = GTK_LIST_STORE (model);
    gtk_list_store_clear (store);

    variants = empathy_adium_info_get_available_variants (info);
    default_variant = empathy_adium_info_get_default_variant (info);
    for (i = 0; i < variants->len; i++) {
        gchar *name = g_ptr_array_index (variants, i);

        gtk_list_store_insert_with_values (store, NULL, -1,
            COL_VARIANT_NAME, name,
            COL_VARIANT_DEFAULT, !tp_strdiff (name, default_variant),
            -1);

        result = TRUE;
    }

    /* Select the variant from the GSetting key */
    preferences_theme_variant_notify_cb (priv->gsettings_chat,
                         EMPATHY_PREFS_CHAT_THEME_VARIANT,
                         preferences);

    return result;
}

static void
preferences_theme_variants_setup (EmpathyPreferences *preferences)
{
    EmpathyPreferencesPriv *priv = GET_PRIV (preferences);
    GtkComboBox   *combo;
    GtkCellLayout *cell_layout;
    GtkCellRenderer *renderer;
    GtkListStore  *store;

    combo = GTK_COMBO_BOX (priv->combobox_chat_theme_variant);
    cell_layout = GTK_CELL_LAYOUT (combo);

    /* Create the model */
    store = gtk_list_store_new (COL_VARIANT_COUNT,
                    G_TYPE_STRING,      /* name */
                    G_TYPE_BOOLEAN);    /* is default */
    gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (store),
        COL_VARIANT_NAME, GTK_SORT_ASCENDING);

    /* Add cell renderer */
    renderer = gtk_cell_renderer_text_new ();
    gtk_cell_layout_pack_start (cell_layout, renderer, TRUE);
    gtk_cell_layout_set_attributes (cell_layout, renderer,
        "text", COL_VARIANT_NAME, NULL);

    gtk_combo_box_set_model (combo, GTK_TREE_MODEL (store));
    g_object_unref (store);

    g_signal_connect (combo, "changed",
              G_CALLBACK (preferences_theme_variant_changed_cb),
              preferences);

    /* Track changes of the GSetting key */
    g_signal_connect (priv->gsettings_chat,
              "changed::" EMPATHY_PREFS_CHAT_THEME_VARIANT,
              G_CALLBACK (preferences_theme_variant_notify_cb),
              preferences);
}

static void
preferences_theme_changed_cb (GtkComboBox        *combo,
                  EmpathyPreferences *preferences)
{
    EmpathyPreferencesPriv *priv = GET_PRIV (preferences);
    GtkTreeIter   iter;

    if (gtk_combo_box_get_active_iter (combo, &iter)) {
        GtkTreeModel *model;
        gchar        *name;
        GHashTable   *info;
        gboolean variant;

        model = gtk_combo_box_get_model (combo);
        gtk_tree_model_get (model, &iter,
                    COL_THEME_ADIUM_NAME, &name,
                    COL_THEME_ADIUM_INFO, &info,
                    -1);

        g_settings_set_string (priv->gsettings_chat,
                       EMPATHY_PREFS_CHAT_THEME,
                       name);

        variant = preferences_theme_variants_fill (preferences, info);
        gtk_widget_set_visible (priv->hbox_chat_theme_variant, variant);

        g_free (name);
        tp_clear_pointer (&info, g_hash_table_unref);
    }
}

static void
preferences_theme_notify_cb (GSettings   *gsettings,
                 const gchar *key,
                 gpointer     user_data)
{
    EmpathyPreferences *preferences = user_data;
    EmpathyPreferencesPriv *priv = GET_PRIV (preferences);
    GtkComboBox        *combo;
    gchar              *theme;
    GtkTreeModel       *model;
    GtkTreeIter         iter;
    gboolean            found = FALSE;
    gboolean            ok;

    theme = g_settings_get_string (gsettings, key);

    combo = GTK_COMBO_BOX (priv->combobox_chat_theme);
    model = gtk_combo_box_get_model (combo);
    for (ok = gtk_tree_model_get_iter_first (model, &iter);
         ok && !found;
         ok = gtk_tree_model_iter_next (model, &iter)) {
        gchar *name;

        gtk_tree_model_get (model, &iter,
                    COL_THEME_ADIUM_NAME, &name,
                    -1);

        if (!tp_strdiff (name, theme)) {
            found = TRUE;
            gtk_combo_box_set_active_iter (combo, &iter);
        }

        g_free (name);
    }

    /* Fallback to the first one. */
    if (!found) {
        if (gtk_tree_model_get_iter_first (model, &iter)) {
            gtk_combo_box_set_active_iter (combo, &iter);
        }
    }

    g_free (theme);
}

static void
preferences_themes_setup (EmpathyPreferences *preferences)
{
    EmpathyPreferencesPriv *priv = GET_PRIV (preferences);
    GtkComboBox   *combo;
    GtkCellLayout *cell_layout;
    GtkCellRenderer *renderer;
    GtkListStore  *store;
    GList         *adium_themes;

    preferences_theme_variants_setup (preferences);

    combo = GTK_COMBO_BOX (priv->combobox_chat_theme);
    cell_layout = GTK_CELL_LAYOUT (combo);

    /* Create the model */
    store = gtk_list_store_new (COL_THEME_COUNT,
                    G_TYPE_STRING,      /* Display name */
                    G_TYPE_STRING,      /* Adium theme path */
                    G_TYPE_HASH_TABLE); /* Adium theme info */
    gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (store),
        COL_THEME_VISIBLE_NAME, GTK_SORT_ASCENDING);

    /* Fill the model */
    adium_themes = empathy_theme_manager_get_adium_themes ();
    while (adium_themes != NULL) {
        GHashTable *info;
        const gchar *visible_name;
        gchar *name;

        info = adium_themes->data;
        visible_name = tp_asv_get_string (info, "CFBundleName");
        name = empathy_theme_manager_dup_theme_name_from_path (
            tp_asv_get_string (info, "path"));

        if (visible_name != NULL && name != NULL) {
            gtk_list_store_insert_with_values (store, NULL, -1,
                COL_THEME_VISIBLE_NAME, visible_name,
                COL_THEME_ADIUM_NAME, name,
                COL_THEME_ADIUM_INFO, info,
                -1);
        }
        g_hash_table_unref (info);
        g_free (name);
        adium_themes = g_list_delete_link (adium_themes, adium_themes);
    }

    /* Add cell renderer */
    renderer = gtk_cell_renderer_text_new ();
    gtk_cell_layout_pack_start (cell_layout, renderer, TRUE);
    gtk_cell_layout_set_attributes (cell_layout, renderer,
        "text", COL_THEME_VISIBLE_NAME, NULL);

    gtk_combo_box_set_model (combo, GTK_TREE_MODEL (store));
    g_object_unref (store);

    g_signal_connect (combo, "changed",
              G_CALLBACK (preferences_theme_changed_cb),
              preferences);

    /* Select the theme from the GSetting key and track changes */
    preferences_theme_notify_cb (priv->gsettings_chat,
                     EMPATHY_PREFS_CHAT_THEME,
                     preferences);

    g_signal_connect (priv->gsettings_chat,
              "changed::" EMPATHY_PREFS_CHAT_THEME,
              G_CALLBACK (preferences_theme_notify_cb),
              preferences);
}

static void
empathy_preferences_response (GtkDialog *widget,
                  gint response)
{
    gtk_widget_destroy (GTK_WIDGET (widget));
}

static void
empathy_preferences_finalize (GObject *self)
{
    EmpathyPreferencesPriv *priv = GET_PRIV (self);

    g_object_unref (priv->theme_manager);

    g_object_unref (priv->gsettings);
    g_object_unref (priv->gsettings_chat);
    g_object_unref (priv->gsettings_call);
    g_object_unref (priv->gsettings_loc);
    g_object_unref (priv->gsettings_notify);
    g_object_unref (priv->gsettings_sound);
    g_object_unref (priv->gsettings_ui);
    g_object_unref (priv->gsettings_logger);

    G_OBJECT_CLASS (empathy_preferences_parent_class)->finalize (self);
}

static void
empathy_preferences_class_init (EmpathyPreferencesClass *klass)
{
    GtkDialogClass *dialog_class = GTK_DIALOG_CLASS (klass);
    GObjectClass *object_class = G_OBJECT_CLASS (klass);

    dialog_class->response = empathy_preferences_response;

    object_class->finalize = empathy_preferences_finalize;

    g_type_class_add_private (object_class,
                  sizeof (EmpathyPreferencesPriv));
}

static void
empathy_preferences_init (EmpathyPreferences *preferences)
{
    EmpathyPreferencesPriv    *priv;
    GtkBuilder                *gui;
    gchar                     *filename;
    GtkWidget                 *page;

    priv = preferences->priv = G_TYPE_INSTANCE_GET_PRIVATE (preferences,
            EMPATHY_TYPE_PREFERENCES, EmpathyPreferencesPriv);

    gtk_dialog_add_button (GTK_DIALOG (preferences),
                   GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE);

    gtk_container_set_border_width (GTK_CONTAINER (preferences), 5);
    gtk_window_set_title (GTK_WINDOW (preferences), _("Preferences"));
    gtk_window_set_role (GTK_WINDOW (preferences), "preferences");
    gtk_window_set_position (GTK_WINDOW (preferences),
                 GTK_WIN_POS_CENTER_ON_PARENT);
    gtk_window_set_icon_name (GTK_WINDOW (preferences), "gtk-preferences");

    filename = empathy_file_lookup ("empathy-preferences.ui", "src");
    gui = empathy_builder_get_file (filename,
        "notebook", &priv->notebook,
        "vbox_chat_theme", &priv->vbox_chat_theme,
        "combobox_chat_theme", &priv->combobox_chat_theme,
        "combobox_chat_theme_variant", &priv->combobox_chat_theme_variant,
        "hbox_chat_theme_variant", &priv->hbox_chat_theme_variant,
        "sw_chat_theme_preview", &priv->sw_chat_theme_preview,
        "checkbutton_events_notif_area", &priv->checkbutton_events_notif_area,
        "treeview_sounds", &priv->treeview_sounds,
        "treeview_spell_checker", &priv->treeview_spell_checker,
        NULL);
    g_free (filename);

    gtk_container_add (GTK_CONTAINER (gtk_dialog_get_content_area (GTK_DIALOG (preferences))), priv->notebook);
    gtk_widget_show (priv->notebook);

    priv->gsettings = g_settings_new (EMPATHY_PREFS_SCHEMA);
    priv->gsettings_chat = g_settings_new (EMPATHY_PREFS_CHAT_SCHEMA);
    priv->gsettings_call = g_settings_new (EMPATHY_PREFS_CALL_SCHEMA);
    priv->gsettings_loc = g_settings_new (EMPATHY_PREFS_LOCATION_SCHEMA);
    priv->gsettings_notify = g_settings_new (EMPATHY_PREFS_NOTIFICATIONS_SCHEMA);
    priv->gsettings_sound = g_settings_new (EMPATHY_PREFS_SOUNDS_SCHEMA);
    priv->gsettings_ui = g_settings_new (EMPATHY_PREFS_UI_SCHEMA);
    priv->gsettings_logger = g_settings_new (EMPATHY_PREFS_LOGGER_SCHEMA);

    /* Create chat theme preview, and track changes */
    priv->theme_manager = empathy_theme_manager_dup_singleton ();
    tp_g_signal_connect_object (priv->theme_manager, "theme-changed",
              G_CALLBACK (preferences_preview_theme_changed_cb),
              preferences, 0);
    preferences_preview_theme_changed_cb (priv->theme_manager, preferences);

    preferences_themes_setup (preferences);

    preferences_setup_widgets (preferences, gui);

    preferences_languages_setup (preferences);
    preferences_languages_add (preferences);
    preferences_languages_load (preferences);

    preferences_sound_setup (preferences);
    preferences_sound_load (preferences);

    g_object_unref (gui);

    if (empathy_spell_supported ()) {
        page = gtk_notebook_get_nth_page (GTK_NOTEBOOK (priv->notebook), EMPATHY_PREFERENCES_TAB_SPELL);
        gtk_widget_show (page);
    }

    page = gtk_notebook_get_nth_page (GTK_NOTEBOOK (priv->notebook), EMPATHY_PREFERENCES_TAB_LOCATION);
#ifdef HAVE_GEOCLUE
    gtk_widget_show (page);
#else
    gtk_widget_hide (page);
#endif
}

static EmpathyPreferencesTab
empathy_preferences_tab_from_string (const gchar *str)
{
  guint i;

  for (i = 0; i < G_N_ELEMENTS (empathy_preferences_tabs); i++)
    {
      if (!tp_strdiff (str, empathy_preferences_tabs[i]))
        return i;
    }

  g_warn_if_reached ();
  return -1;
}

const gchar *
empathy_preferences_tab_to_string (EmpathyPreferencesTab tab)
{
  g_return_val_if_fail (tab < G_N_ELEMENTS (empathy_preferences_tabs), NULL);

  return empathy_preferences_tabs[tab];
}

GtkWidget *
empathy_preferences_new (GtkWindow *parent,
                         gboolean  shell_running)
{
    GtkWidget              *self;
    EmpathyPreferencesPriv *priv;
    GtkWidget              *notif_page;

    g_return_val_if_fail (parent == NULL || GTK_IS_WINDOW (parent), NULL);

    self = g_object_new (EMPATHY_TYPE_PREFERENCES, NULL);

    if (parent != NULL) {
        gtk_window_set_transient_for (GTK_WINDOW (self),
                          parent);
    }

    /* when running in Gnome Shell we must hide these options since they
     * are meaningless in that context:
     * - 'Display incoming events in the notification area' (General->Behavior)
     * - 'Notifications' tab
     */
    priv = GET_PRIV (self);
    if (shell_running) {
        gtk_widget_hide (priv->checkbutton_events_notif_area);
        notif_page = gtk_notebook_get_nth_page (GTK_NOTEBOOK (priv->notebook),
                                                EMPATHY_PREFERENCES_TAB_NOTIFICATIONS);
        gtk_widget_hide (notif_page);
    }

    return self;
}

void
empathy_preferences_show_tab (EmpathyPreferences *self,
                  const gchar *page)
{
    EmpathyPreferencesPriv *priv = GET_PRIV (self);

    gtk_notebook_set_current_page (GTK_NOTEBOOK (priv->notebook),
                       empathy_preferences_tab_from_string (page));
}