path: root/libempathy-gtk/empathy-account-chooser.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * Copyright (C) 2005-2007 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., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 * 
 * Authors: Martyn Russell <martyn@imendio.com>
 */

#include "config.h"

#include <string.h>

#include <glib/gi18n.h>
#include <gtk/gtk.h>
#include <glade/glade.h>

#include <libtelepathy/tp-conn.h>
#include <libmissioncontrol/mc-account-monitor.h>
#include <libmissioncontrol/mission-control.h>

#include <libempathy/empathy-utils.h>

#include "empathy-ui-utils.h"
#include "empathy-account-chooser.h"

#define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EMPATHY_TYPE_ACCOUNT_CHOOSER, EmpathyAccountChooserPriv))

typedef struct {
    MissionControl   *mc;
    McAccountMonitor *monitor;

    gboolean          set_active_item;
    gboolean          can_select_all;
    gboolean          has_all_option;
} EmpathyAccountChooserPriv;

typedef struct {
    EmpathyAccountChooser *chooser;
    McAccount            *account;
    gboolean              set;
} SetAccountData;

enum {
    COL_ACCOUNT_IMAGE,
    COL_ACCOUNT_TEXT,
    COL_ACCOUNT_ENABLED, /* Usually tied to connected state */
    COL_ACCOUNT_POINTER,
    COL_ACCOUNT_COUNT
};

static void     account_chooser_finalize               (GObject                         *object);
static void     account_chooser_get_property           (GObject                         *object,
                            guint                            param_id,
                            GValue                          *value,
                            GParamSpec                      *pspec);
static void     account_chooser_set_property           (GObject                         *object,
                            guint                            param_id,
                            const GValue                    *value,
                            GParamSpec                      *pspec);
static void     account_chooser_setup                  (EmpathyAccountChooser            *chooser);
static void     account_chooser_account_created_cb     (McAccountMonitor                *monitor,
                            const gchar                     *unique_name,
                            EmpathyAccountChooser            *chooser);
static void     account_chooser_account_add_foreach    (McAccount                       *account,
                            EmpathyAccountChooser            *chooser);
static void     account_chooser_account_deleted_cb     (McAccountMonitor                *monitor,
                            const gchar                     *unique_name,
                            EmpathyAccountChooser            *chooser);
static void     account_chooser_account_remove_foreach (McAccount                       *account,
                            EmpathyAccountChooser            *chooser);
static void     account_chooser_update_iter            (EmpathyAccountChooser            *chooser,
                            GtkTreeIter                     *iter,
                            McAccount                       *account);
static void     account_chooser_status_changed_cb      (MissionControl                  *mc,
                            TelepathyConnectionStatus        status,
                            McPresence                       presence,
                            TelepathyConnectionStatusReason  reason,
                            const gchar                     *unique_name,
                            EmpathyAccountChooser            *chooser);
static gboolean account_chooser_separator_func         (GtkTreeModel                    *model,
                            GtkTreeIter                     *iter,
                            EmpathyAccountChooser            *chooser);
static gboolean account_chooser_set_account_foreach    (GtkTreeModel                    *model,
                            GtkTreePath                     *path,
                            GtkTreeIter                     *iter,
                            SetAccountData                  *data);
static gboolean account_chooser_set_enabled_foreach    (GtkTreeModel                    *model,
                            GtkTreePath                     *path,
                            GtkTreeIter                     *iter,
                            EmpathyAccountChooser            *chooser);

enum {
    PROP_0,
    PROP_CAN_SELECT_ALL,
    PROP_HAS_ALL_OPTION,
};

G_DEFINE_TYPE (EmpathyAccountChooser, empathy_account_chooser, GTK_TYPE_COMBO_BOX);

static void
empathy_account_chooser_class_init (EmpathyAccountChooserClass *klass)
{
    GObjectClass *object_class = G_OBJECT_CLASS (klass);

    object_class->finalize = account_chooser_finalize;
    object_class->get_property = account_chooser_get_property;
    object_class->set_property = account_chooser_set_property;

    g_object_class_install_property (object_class,
                     PROP_CAN_SELECT_ALL,
                     g_param_spec_boolean ("can-select-all",
                                   "Can Select All",
                                   "Should the user be able to select offline accounts",
                                   FALSE,
                                   G_PARAM_READWRITE));

    g_object_class_install_property (object_class,
                     PROP_HAS_ALL_OPTION,
                     g_param_spec_boolean ("has-all-option",
                                   "Has All Option",
                                   "Have a separate option in the list to mean ALL accounts",
                                   FALSE,
                                   G_PARAM_READWRITE));

    g_type_class_add_private (object_class, sizeof (EmpathyAccountChooserPriv));
}

static void
empathy_account_chooser_init (EmpathyAccountChooser *chooser)
{
}

static void
account_chooser_finalize (GObject *object)
{
    EmpathyAccountChooser     *chooser;
    EmpathyAccountChooserPriv *priv;

    chooser = EMPATHY_ACCOUNT_CHOOSER (object);
    priv = GET_PRIV (object);

    g_signal_handlers_disconnect_by_func (priv->monitor,
                          account_chooser_account_created_cb,
                          chooser);
    g_signal_handlers_disconnect_by_func (priv->monitor,
                          account_chooser_account_deleted_cb,
                          chooser);
    dbus_g_proxy_disconnect_signal (DBUS_G_PROXY (priv->mc),
                    "AccountStatusChanged",
                    G_CALLBACK (account_chooser_status_changed_cb),
                    chooser);
    g_object_unref (priv->mc);
    g_object_unref (priv->monitor);

    G_OBJECT_CLASS (empathy_account_chooser_parent_class)->finalize (object);
}

static void
account_chooser_get_property (GObject    *object,
                  guint       param_id,
                  GValue     *value,
                  GParamSpec *pspec)
{
    EmpathyAccountChooserPriv *priv;

    priv = GET_PRIV (object);

    switch (param_id) {
    case PROP_CAN_SELECT_ALL:
        g_value_set_boolean (value, priv->can_select_all);
        break;
    case PROP_HAS_ALL_OPTION:
        g_value_set_boolean (value, priv->has_all_option);
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
        break;
    };
}

static void
account_chooser_set_property (GObject      *object,
                  guint         param_id,
                  const GValue *value,
                  GParamSpec   *pspec)
{
    EmpathyAccountChooserPriv *priv;

    priv = GET_PRIV (object);

    switch (param_id) {
    case PROP_CAN_SELECT_ALL:
        empathy_account_chooser_set_can_select_all (EMPATHY_ACCOUNT_CHOOSER (object),
                               g_value_get_boolean (value));
        break;
    case PROP_HAS_ALL_OPTION:
        empathy_account_chooser_set_has_all_option (EMPATHY_ACCOUNT_CHOOSER (object),
                               g_value_get_boolean (value));
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
        break;
    };
}

GtkWidget *
empathy_account_chooser_new (void)
{
    EmpathyAccountChooserPriv *priv;
    McAccountMonitor         *monitor;
    GtkWidget                *chooser;

    monitor = mc_account_monitor_new ();
    chooser = g_object_new (EMPATHY_TYPE_ACCOUNT_CHOOSER, NULL);

    priv = GET_PRIV (chooser);

    priv->mc = empathy_mission_control_new ();
    priv->monitor = mc_account_monitor_new ();

    g_signal_connect (priv->monitor, "account-created",
              G_CALLBACK (account_chooser_account_created_cb),
              chooser);
    g_signal_connect (priv->monitor, "account-deleted",
              G_CALLBACK (account_chooser_account_deleted_cb),
              chooser);
    dbus_g_proxy_connect_signal (DBUS_G_PROXY (priv->mc), "AccountStatusChanged",
                     G_CALLBACK (account_chooser_status_changed_cb),
                     chooser, NULL);

    account_chooser_setup (EMPATHY_ACCOUNT_CHOOSER (chooser));

    return chooser;
}

McAccount *
empathy_account_chooser_get_account (EmpathyAccountChooser *chooser)
{
    EmpathyAccountChooserPriv *priv;
    McAccount                *account;
    GtkTreeModel             *model;
    GtkTreeIter               iter;

    g_return_val_if_fail (EMPATHY_IS_ACCOUNT_CHOOSER (chooser), NULL);

    priv = GET_PRIV (chooser);

    model = gtk_combo_box_get_model (GTK_COMBO_BOX (chooser));
    gtk_combo_box_get_active_iter (GTK_COMBO_BOX (chooser), &iter);

    gtk_tree_model_get (model, &iter, COL_ACCOUNT_POINTER, &account, -1);

    return account;
}

gboolean
empathy_account_chooser_set_account (EmpathyAccountChooser *chooser,
                    McAccount            *account)
{
    GtkComboBox    *combobox;
    GtkTreeModel   *model;
    GtkTreeIter     iter;
    SetAccountData  data;

    g_return_val_if_fail (EMPATHY_IS_ACCOUNT_CHOOSER (chooser), FALSE);

    combobox = GTK_COMBO_BOX (chooser);
    model = gtk_combo_box_get_model (combobox);
    gtk_combo_box_get_active_iter (combobox, &iter);

    data.chooser = chooser;
    data.account = account;

    gtk_tree_model_foreach (model,
                (GtkTreeModelForeachFunc) account_chooser_set_account_foreach,
                &data);

    return data.set;
}

gboolean
empathy_account_chooser_get_can_select_all (EmpathyAccountChooser *chooser)
{
    EmpathyAccountChooserPriv *priv;

    g_return_val_if_fail (EMPATHY_IS_ACCOUNT_CHOOSER (chooser), FALSE);

    priv = GET_PRIV (chooser);
    
    return priv->can_select_all;
}

void
empathy_account_chooser_set_can_select_all (EmpathyAccountChooser *chooser,
                       gboolean              can_select_all)
{
    EmpathyAccountChooserPriv *priv;
    GtkComboBox              *combobox;
    GtkTreeModel             *model;

    g_return_if_fail (EMPATHY_IS_ACCOUNT_CHOOSER (chooser));

    priv = GET_PRIV (chooser);

    if (priv->can_select_all == can_select_all) {
        return;
    }

    combobox = GTK_COMBO_BOX (chooser);
    model = gtk_combo_box_get_model (combobox);

    priv->can_select_all = can_select_all;

    gtk_tree_model_foreach (model,
                (GtkTreeModelForeachFunc) account_chooser_set_enabled_foreach,
                chooser);

    g_object_notify (G_OBJECT (chooser), "can-select-all");
}

gboolean
empathy_account_chooser_get_has_all_option (EmpathyAccountChooser *chooser)
{
    EmpathyAccountChooserPriv *priv;

    g_return_val_if_fail (EMPATHY_IS_ACCOUNT_CHOOSER (chooser), FALSE);

    priv = GET_PRIV (chooser);
    
    return priv->has_all_option;
}

void
empathy_account_chooser_set_has_all_option (EmpathyAccountChooser *chooser,
                       gboolean              has_all_option)
{
    EmpathyAccountChooserPriv *priv;
    GtkComboBox              *combobox;
    GtkListStore             *store;
    GtkTreeModel             *model;
    GtkTreeIter               iter;

    g_return_if_fail (EMPATHY_IS_ACCOUNT_CHOOSER (chooser));

    priv = GET_PRIV (chooser);

    if (priv->has_all_option == has_all_option) {
        return;
    }

    combobox = GTK_COMBO_BOX (chooser);
    model = gtk_combo_box_get_model (combobox);
    store = GTK_LIST_STORE (model);

    priv->has_all_option = has_all_option;

    /*
     * The first 2 options are the ALL and separator
     */

    if (has_all_option) {
        gtk_combo_box_set_row_separator_func (GTK_COMBO_BOX (chooser), 
                              (GtkTreeViewRowSeparatorFunc)
                              account_chooser_separator_func,
                              chooser, 
                              NULL);

        gtk_list_store_prepend (store, &iter);
        gtk_list_store_set (store, &iter, 
                    COL_ACCOUNT_TEXT, NULL,
                    COL_ACCOUNT_ENABLED, TRUE,
                    COL_ACCOUNT_POINTER, NULL,
                    -1);

        gtk_list_store_prepend (store, &iter);
        gtk_list_store_set (store, &iter, 
                    COL_ACCOUNT_TEXT, _("All"), 
                    COL_ACCOUNT_ENABLED, TRUE,
                    COL_ACCOUNT_POINTER, NULL,
                    -1);
    } else {
        if (gtk_tree_model_get_iter_first (model, &iter)) {
            if (gtk_list_store_remove (GTK_LIST_STORE (model), &iter)) {
                gtk_list_store_remove (GTK_LIST_STORE (model), &iter);
            }
        }

        gtk_combo_box_set_row_separator_func (GTK_COMBO_BOX (chooser), 
                              (GtkTreeViewRowSeparatorFunc)
                              NULL,
                              NULL, 
                              NULL);
    }

    g_object_notify (G_OBJECT (chooser), "has-all-option");
}

static void
account_chooser_setup (EmpathyAccountChooser *chooser)
{
    EmpathyAccountChooserPriv *priv;
    GList                    *accounts;
    GtkListStore             *store;
    GtkCellRenderer          *renderer;
    GtkComboBox              *combobox;

    priv = GET_PRIV (chooser);

    /* Set up combo box with new store */
    combobox = GTK_COMBO_BOX (chooser);

    gtk_cell_layout_clear (GTK_CELL_LAYOUT (combobox));

    store = gtk_list_store_new (COL_ACCOUNT_COUNT,
                    G_TYPE_STRING,
                    G_TYPE_STRING,    /* Name */
                    G_TYPE_BOOLEAN,   /* Enabled */
                    MC_TYPE_ACCOUNT);

    gtk_combo_box_set_model (combobox, GTK_TREE_MODEL (store));

    renderer = gtk_cell_renderer_pixbuf_new ();
    gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combobox), renderer, FALSE);
    gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combobox), renderer,
                    "icon-name", COL_ACCOUNT_IMAGE,
                    "sensitive", COL_ACCOUNT_ENABLED,
                    NULL);
    g_object_set (renderer, "stock-size", GTK_ICON_SIZE_BUTTON, NULL);

    renderer = gtk_cell_renderer_text_new ();
    gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combobox), renderer, TRUE);
    gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combobox), renderer,
                    "text", COL_ACCOUNT_TEXT,
                    "sensitive", COL_ACCOUNT_ENABLED,
                    NULL);

    /* Populate accounts */
    accounts = mc_accounts_list ();
    g_list_foreach (accounts,
            (GFunc) account_chooser_account_add_foreach,
            chooser);

    mc_accounts_list_free (accounts);
    g_object_unref (store);
}

static void
account_chooser_account_created_cb (McAccountMonitor     *monitor,
                    const gchar          *unique_name,
                    EmpathyAccountChooser *chooser)
{
    McAccount *account;

    account = mc_account_lookup (unique_name);
    account_chooser_account_add_foreach (account, chooser);
    g_object_unref (account);
}

static void
account_chooser_account_add_foreach (McAccount            *account,
                     EmpathyAccountChooser *chooser)
{
    EmpathyAccountChooserPriv *priv;
    GtkListStore             *store;
    GtkComboBox              *combobox;
    GtkTreeIter               iter;

    priv = GET_PRIV (chooser);

    combobox = GTK_COMBO_BOX (chooser);
    store = GTK_LIST_STORE (gtk_combo_box_get_model (combobox));

    gtk_list_store_append (store, &iter);
    account_chooser_update_iter (chooser, &iter, account);
}

static void
account_chooser_account_deleted_cb (McAccountMonitor     *monitor,
                    const gchar          *unique_name,
                    EmpathyAccountChooser *chooser)
{
    McAccount *account;

    account = mc_account_lookup (unique_name);
    account_chooser_account_remove_foreach (account, chooser);
    g_object_unref (account);
}

static void
account_chooser_account_remove_foreach (McAccount            *account,
                    EmpathyAccountChooser *chooser)
{
    /* Fixme: TODO */
}

static void
account_chooser_update_iter (EmpathyAccountChooser *chooser,
                 GtkTreeIter          *iter,
                 McAccount            *account)
{
    EmpathyAccountChooserPriv *priv;
    GtkListStore             *store;
    GtkComboBox              *combobox;
    TpConn                   *tp_conn;
    const gchar              *icon_name;
    gboolean                  is_enabled;

    priv = GET_PRIV (chooser);

    combobox = GTK_COMBO_BOX (chooser);
    store = GTK_LIST_STORE (gtk_combo_box_get_model (combobox));

    icon_name = empathy_icon_name_from_account (account);
    tp_conn = mission_control_get_connection (priv->mc, account, NULL);
    is_enabled = (tp_conn != NULL || priv->can_select_all);

    if (tp_conn) {
        g_object_unref (tp_conn);
    }

    gtk_list_store_set (store, iter,
                COL_ACCOUNT_IMAGE, icon_name,
                COL_ACCOUNT_TEXT, mc_account_get_display_name (account),
                COL_ACCOUNT_ENABLED, is_enabled,
                COL_ACCOUNT_POINTER, account,
                -1);

    /* set first connected account as active account */
    if (priv->set_active_item == FALSE && is_enabled) {
        priv->set_active_item = TRUE;
        gtk_combo_box_set_active_iter (combobox, iter);
    }
}

static void
account_chooser_status_changed_cb (MissionControl                  *mc,
                   TelepathyConnectionStatus        status,
                   McPresence                       presence,
                   TelepathyConnectionStatusReason  reason,
                   const gchar                     *unique_name,
                   EmpathyAccountChooser            *chooser)
{
    /* FIXME: implement */
}

static gboolean
account_chooser_separator_func (GtkTreeModel         *model,
                GtkTreeIter          *iter,
                EmpathyAccountChooser *chooser)
{
    EmpathyAccountChooserPriv *priv;
    gchar                    *text;
    gboolean                  is_separator;

    priv = GET_PRIV (chooser);
    
    if (!priv->has_all_option) {
        return FALSE;
    }
    
    gtk_tree_model_get (model, iter, COL_ACCOUNT_TEXT, &text, -1);
    is_separator = text == NULL;
    g_free (text);

    return is_separator;
}

static gboolean
account_chooser_set_account_foreach (GtkTreeModel   *model,
                     GtkTreePath    *path,
                     GtkTreeIter    *iter,
                     SetAccountData *data)
{
    McAccount *account;
    gboolean   equal;

    gtk_tree_model_get (model, iter, COL_ACCOUNT_POINTER, &account, -1);

    /* Special case so we can make it possible to select the All option */
    if (!data->account && !account) {
        equal = TRUE;
    }
    else if ((data->account && !account) || (!data->account && account)) {
        equal = FALSE;
    } else {
        equal = empathy_account_equal (data->account, account);
        g_object_unref (account);
    }

    if (equal) {
        GtkComboBox *combobox;

        combobox = GTK_COMBO_BOX (data->chooser);
        gtk_combo_box_set_active_iter (combobox, iter);

        data->set = TRUE;
    }

    return equal;
}

static gboolean
account_chooser_set_enabled_foreach (GtkTreeModel         *model,
                     GtkTreePath          *path,
                     GtkTreeIter          *iter,
                     EmpathyAccountChooser *chooser)
{
    EmpathyAccountChooserPriv *priv;
    McAccount                *account;

    priv = GET_PRIV (chooser);

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

    account_chooser_update_iter (chooser, iter, account);
    g_object_unref (account);

    return FALSE;
}