path: root/libempathy/empathy-contact.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * Copyright (C) 2004-2007 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: Mikael Hallendal <micke@imendio.com>
 *          Martyn Russell <martyn@imendio.com>
 */

#include "config.h"

#include <string.h>

#include <glib/gi18n.h>

#include "empathy-contact.h"
#include "empathy-utils.h"
#include "empathy-debug.h"

#define DEBUG_DOMAIN "Contact"

#define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EMPATHY_TYPE_CONTACT, EmpathyContactPriv))

typedef struct _EmpathyContactPriv EmpathyContactPriv;

struct _EmpathyContactPriv {
    gchar              *id;
    gchar              *name;
    EmpathyAvatar       *avatar;
    McAccount          *account;
    EmpathyPresence     *presence;
    GList              *groups;
    EmpathySubscription  subscription;
    guint               handle;
    gboolean            is_user;
};

static void contact_class_init    (EmpathyContactClass *class);
static void contact_init          (EmpathyContact      *contact);
static void contact_finalize      (GObject            *object);
static void contact_get_property  (GObject            *object,
                   guint               param_id,
                   GValue             *value,
                   GParamSpec         *pspec);
static void contact_set_property  (GObject            *object,
                   guint               param_id,
                   const GValue       *value,
                   GParamSpec         *pspec);

enum {
    PROP_0,
    PROP_ID,
    PROP_NAME,
    PROP_AVATAR,
    PROP_ACCOUNT,
    PROP_PRESENCE,
    PROP_GROUPS,
    PROP_SUBSCRIPTION,
    PROP_HANDLE,
    PROP_IS_USER
};

static gpointer parent_class = NULL;

GType
empathy_contact_get_gtype (void)
{
    static GType type = 0;

    if (!type) {
        static const GTypeInfo info = {
            sizeof (EmpathyContactClass),
            NULL, /* base_init */
            NULL, /* base_finalize */
            (GClassInitFunc) contact_class_init,
            NULL, /* class_finalize */
            NULL, /* class_data */
            sizeof (EmpathyContact),
            0,    /* n_preallocs */
            (GInstanceInitFunc) contact_init
        };

        type = g_type_register_static (G_TYPE_OBJECT,
                           "EmpathyContact",
                           &info, 0);
    }

    return type;
}

static void
contact_class_init (EmpathyContactClass *class)
{
    GObjectClass *object_class;

    object_class = G_OBJECT_CLASS (class);
    parent_class = g_type_class_peek_parent (class);

    object_class->finalize     = contact_finalize;
    object_class->get_property = contact_get_property;
    object_class->set_property = contact_set_property;

    g_object_class_install_property (object_class,
                     PROP_ID,
                     g_param_spec_string ("id",
                                  "Contact id",
                                  "String identifying contact",
                                  NULL,
                                  G_PARAM_READWRITE));

    g_object_class_install_property (object_class,
                     PROP_NAME,
                     g_param_spec_string ("name",
                                  "Contact Name",
                                  "The name of the contact",
                                  NULL,
                                  G_PARAM_READWRITE));

    g_object_class_install_property (object_class,
                     PROP_AVATAR,
                     g_param_spec_boxed ("avatar",
                                 "Avatar image",
                                 "The avatar image",
                                 EMPATHY_TYPE_AVATAR,
                                 G_PARAM_READWRITE));

    g_object_class_install_property (object_class,
                     PROP_ACCOUNT,
                     g_param_spec_object ("account",
                                  "Contact Account",
                                  "The account associated with the contact",
                                  MC_TYPE_ACCOUNT,
                                  G_PARAM_READWRITE));

    g_object_class_install_property (object_class,
                     PROP_PRESENCE,
                     g_param_spec_object ("presence",
                                  "Contact presence",
                                  "Presence of contact",
                                  EMPATHY_TYPE_PRESENCE,
                                  G_PARAM_READWRITE));

    g_object_class_install_property (object_class,
                     PROP_GROUPS,
                     g_param_spec_pointer ("groups",
                                   "Contact groups",
                                   "Groups of contact",
                                   G_PARAM_READWRITE));

    g_object_class_install_property (object_class,
                     PROP_SUBSCRIPTION,
                     g_param_spec_int ("subscription",
                               "Contact Subscription",
                               "The subscription status of the contact",
                               EMPATHY_SUBSCRIPTION_NONE,
                               EMPATHY_SUBSCRIPTION_BOTH,
                               EMPATHY_SUBSCRIPTION_NONE,
                               G_PARAM_READWRITE));


    g_object_class_install_property (object_class,
                     PROP_HANDLE,
                     g_param_spec_uint ("handle",
                                "Contact Handle",
                                "The handle of the contact",
                                0,
                                G_MAXUINT,
                                0,
                                G_PARAM_READWRITE));
    g_object_class_install_property (object_class,
                     PROP_IS_USER,
                     g_param_spec_boolean ("is-user",
                                   "Contact is-user",
                                   "Is contact the user",
                                   FALSE,
                                   G_PARAM_READWRITE));

    g_type_class_add_private (object_class, sizeof (EmpathyContactPriv));
}

static void
contact_init (EmpathyContact *contact)
{
}

static void
contact_finalize (GObject *object)
{
    EmpathyContactPriv *priv;

    priv = GET_PRIV (object);

    empathy_debug (DEBUG_DOMAIN, "finalize: %p", object);

    g_free (priv->name);
    g_free (priv->id);

    if (priv->avatar) {
        empathy_avatar_unref (priv->avatar);
    }

    if (priv->presence) {
        g_object_unref (priv->presence);
    }

    if (priv->groups) {
        g_list_foreach (priv->groups, (GFunc) g_free, NULL);
        g_list_free (priv->groups);
    }

    if (priv->account) {
        g_object_unref (priv->account);
    }

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

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

    priv = GET_PRIV (object);

    switch (param_id) {
    case PROP_ID:
        g_value_set_string (value,
                    empathy_contact_get_id (EMPATHY_CONTACT (object)));
        break;
    case PROP_NAME:
        g_value_set_string (value,
                    empathy_contact_get_name (EMPATHY_CONTACT (object)));
        break;
    case PROP_AVATAR:
        g_value_set_boxed (value, priv->avatar);
        break;
    case PROP_ACCOUNT:
        g_value_set_object (value, priv->account);
        break;
    case PROP_PRESENCE:
        g_value_set_object (value, priv->presence);
        break;
    case PROP_GROUPS:
        g_value_set_pointer (value, priv->groups);
        break;
    case PROP_SUBSCRIPTION:
        g_value_set_int (value, priv->subscription);
        break;
    case PROP_HANDLE:
        g_value_set_uint (value, priv->handle);
        break;
    case PROP_IS_USER:
        g_value_set_boolean (value, priv->is_user);
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
        break;
    };
}

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

    priv = GET_PRIV (object);

    switch (param_id) {
    case PROP_ID:
        empathy_contact_set_id (EMPATHY_CONTACT (object),
                       g_value_get_string (value));
        break;
    case PROP_NAME:
        empathy_contact_set_name (EMPATHY_CONTACT (object),
                     g_value_get_string (value));
        break;
    case PROP_AVATAR:
        empathy_contact_set_avatar (EMPATHY_CONTACT (object),
                       g_value_get_boxed (value));
        break;
    case PROP_ACCOUNT:
        empathy_contact_set_account (EMPATHY_CONTACT (object),
                        MC_ACCOUNT (g_value_get_object (value)));
        break;
    case PROP_PRESENCE:
        empathy_contact_set_presence (EMPATHY_CONTACT (object),
                         EMPATHY_PRESENCE (g_value_get_object (value)));
        break;
    case PROP_GROUPS:
        empathy_contact_set_groups (EMPATHY_CONTACT (object),
                       g_value_get_pointer (value));
        break;
    case PROP_SUBSCRIPTION:
        empathy_contact_set_subscription (EMPATHY_CONTACT (object),
                         g_value_get_int (value));
        break;
    case PROP_HANDLE:
        empathy_contact_set_handle (EMPATHY_CONTACT (object),
                       g_value_get_uint (value));
        break;
    case PROP_IS_USER:
        empathy_contact_set_is_user (EMPATHY_CONTACT (object),
                        g_value_get_boolean (value));
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
        break;
    };
}

EmpathyContact *
empathy_contact_new (McAccount *account)
{
    return g_object_new (EMPATHY_TYPE_CONTACT,
                 "account", account,
                 NULL);
}

EmpathyContact *
empathy_contact_new_full (McAccount   *account,
             const gchar *id,
             const gchar *name)
{
    return g_object_new (EMPATHY_TYPE_CONTACT,
                 "account", account,
                 "name", name,
                 "id", id,
                 NULL);
}

const gchar *
empathy_contact_get_id (EmpathyContact *contact)
{
    EmpathyContactPriv *priv;

    g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), "");

    priv = GET_PRIV (contact);

    if (priv->id) {
        return priv->id;
    }

    return "";
}

const gchar *
empathy_contact_get_name (EmpathyContact *contact)
{
    EmpathyContactPriv *priv;

    g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), "");

    priv = GET_PRIV (contact);

    if (G_STR_EMPTY (priv->name)) {
        return empathy_contact_get_id (contact);
    }

    return priv->name;
}

EmpathyAvatar *
empathy_contact_get_avatar (EmpathyContact *contact)
{
    EmpathyContactPriv *priv;

    g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);

    priv = GET_PRIV (contact);

    return priv->avatar;
}

McAccount *
empathy_contact_get_account (EmpathyContact *contact)
{
    EmpathyContactPriv *priv;

    g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);

    priv = GET_PRIV (contact);

    return priv->account;
}

EmpathyPresence *
empathy_contact_get_presence (EmpathyContact *contact)
{
    EmpathyContactPriv *priv;

    g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);

    priv = GET_PRIV (contact);

    return priv->presence;
}

GList *
empathy_contact_get_groups (EmpathyContact *contact)
{
    EmpathyContactPriv *priv;

    g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);

    priv = GET_PRIV (contact);

    return priv->groups;
}

EmpathySubscription
empathy_contact_get_subscription (EmpathyContact *contact)
{
    EmpathyContactPriv *priv;

    g_return_val_if_fail (EMPATHY_IS_CONTACT (contact),
                  EMPATHY_SUBSCRIPTION_NONE);

    priv = GET_PRIV (contact);

    return priv->subscription;
}

guint
empathy_contact_get_handle (EmpathyContact *contact)
{
    EmpathyContactPriv *priv;

    g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), 0);

    priv = GET_PRIV (contact);

    return priv->handle;
}

gboolean
empathy_contact_is_user (EmpathyContact *contact)
{
    EmpathyContactPriv *priv;

    g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), FALSE);

    priv = GET_PRIV (contact);

    return priv->is_user;
}

void
empathy_contact_set_id (EmpathyContact *contact,
               const gchar   *id)
{
    EmpathyContactPriv *priv;

    g_return_if_fail (EMPATHY_IS_CONTACT (contact));
    g_return_if_fail (id != NULL);

    priv = GET_PRIV (contact);

    if (priv->id && strcmp (id, priv->id) == 0) {
        return;
    }

    g_free (priv->id);
    priv->id = g_strdup (id);

    g_object_notify (G_OBJECT (contact), "id");
}

void
empathy_contact_set_name (EmpathyContact *contact,
             const gchar   *name)
{
    EmpathyContactPriv *priv;

    g_return_if_fail (EMPATHY_IS_CONTACT (contact));
    g_return_if_fail (name != NULL);

    priv = GET_PRIV (contact);

    if (priv->name && strcmp (name, priv->name) == 0) {
        return;
    }

    g_free (priv->name);
    priv->name = g_strdup (name);

    g_object_notify (G_OBJECT (contact), "name");
}

void
empathy_contact_set_avatar (EmpathyContact *contact,
               EmpathyAvatar  *avatar)
{
    EmpathyContactPriv *priv;

    g_return_if_fail (EMPATHY_IS_CONTACT (contact));

    priv = GET_PRIV (contact);

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

    if (priv->avatar) {
        empathy_avatar_unref (priv->avatar);
        priv->avatar = NULL;
    }

    if (avatar) {
        priv->avatar = empathy_avatar_ref (avatar);
    }

    g_object_notify (G_OBJECT (contact), "avatar");
}

void
empathy_contact_set_account (EmpathyContact *contact,
                McAccount     *account)
{
    EmpathyContactPriv *priv;

    g_return_if_fail (EMPATHY_IS_CONTACT (contact));
    g_return_if_fail (MC_IS_ACCOUNT (account));

    priv = GET_PRIV (contact);

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

    if (priv->account) {
        g_object_unref (priv->account);
    }
    priv->account = g_object_ref (account);

    g_object_notify (G_OBJECT (contact), "account");
}

void
empathy_contact_set_presence (EmpathyContact  *contact,
                 EmpathyPresence *presence)
{
    EmpathyContactPriv *priv;

    g_return_if_fail (EMPATHY_IS_CONTACT (contact));

    priv = GET_PRIV (contact);

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

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

    if (presence) {
        priv->presence = g_object_ref (presence);
    }

    g_object_notify (G_OBJECT (contact), "presence");
}

void
empathy_contact_set_groups (EmpathyContact *contact,
               GList         *groups)
{
    EmpathyContactPriv *priv;
    GList             *old_groups, *l;

    g_return_if_fail (EMPATHY_IS_CONTACT (contact));

    priv = GET_PRIV (contact);

    old_groups = priv->groups;
    priv->groups = NULL;

    for (l = groups; l; l = l->next) {
        priv->groups = g_list_append (priv->groups,
                          g_strdup (l->data));
    }

    g_list_foreach (old_groups, (GFunc) g_free, NULL);
    g_list_free (old_groups);

    g_object_notify (G_OBJECT (contact), "groups");
}

void
empathy_contact_set_subscription (EmpathyContact      *contact,
                 EmpathySubscription  subscription)
{
    EmpathyContactPriv *priv;

    g_return_if_fail (EMPATHY_IS_CONTACT (contact));

    priv = GET_PRIV (contact);

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

    priv->subscription = subscription;

    g_object_notify (G_OBJECT (contact), "subscription");
}

void
empathy_contact_set_handle (EmpathyContact *contact,
               guint          handle)
{
    EmpathyContactPriv *priv;

    g_return_if_fail (EMPATHY_IS_CONTACT (contact));

    priv = GET_PRIV (contact);

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

    priv->handle = handle;

    g_object_notify (G_OBJECT (contact), "handle");
}

void
empathy_contact_set_is_user (EmpathyContact *contact,
                gboolean       is_user)
{
    EmpathyContactPriv *priv;

    g_return_if_fail (EMPATHY_IS_CONTACT (contact));

    priv = GET_PRIV (contact);

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

    priv->is_user = is_user;

    g_object_notify (G_OBJECT (contact), "is-user");
}

void
empathy_contact_add_group (EmpathyContact *contact,
              const gchar   *group)
{
    EmpathyContactPriv *priv;

    g_return_if_fail (EMPATHY_IS_CONTACT (contact));
    g_return_if_fail (group != NULL);

    priv = GET_PRIV (contact);

    if (!g_list_find_custom (priv->groups, group, (GCompareFunc) strcmp)) {
        priv->groups = g_list_prepend (priv->groups, g_strdup (group));
        g_object_notify (G_OBJECT (contact), "groups");
    }
}

void
empathy_contact_remove_group (EmpathyContact *contact,
                 const gchar   *group)
{
    EmpathyContactPriv *priv;
    GList             *l;

    g_return_if_fail (EMPATHY_IS_CONTACT (contact));
    g_return_if_fail (group != NULL);

    priv = GET_PRIV (contact);

    l = g_list_find_custom (priv->groups, group, (GCompareFunc) strcmp);
    if (l) {
        g_free (l->data);
        priv->groups = g_list_delete_link (priv->groups, l);
        g_object_notify (G_OBJECT (contact), "groups");
    }
}

gboolean
empathy_contact_is_online (EmpathyContact *contact)
{
    EmpathyContactPriv *priv;

    g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), FALSE);

    priv = GET_PRIV (contact);

    if (!priv->presence) {
        return FALSE;
    }

    return (empathy_presence_get_state (priv->presence) > MC_PRESENCE_OFFLINE);
}

gboolean
empathy_contact_is_in_group (EmpathyContact *contact,
                const gchar   *group)
{
    EmpathyContactPriv *priv;

    g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), FALSE);
    g_return_val_if_fail (!G_STR_EMPTY (group), FALSE);

    priv = GET_PRIV (contact);

    if (g_list_find_custom (priv->groups, group, (GCompareFunc) strcmp)) {
        return TRUE;
    }

    return FALSE;
}

const gchar *
empathy_contact_get_status (EmpathyContact *contact)
{
    EmpathyContactPriv *priv;

    g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), "");

    priv = GET_PRIV (contact);

    if (priv->presence) {
        const gchar *status;

        status = empathy_presence_get_status (priv->presence);
        if (!status) {
            McPresence state;

            state = empathy_presence_get_state (priv->presence);
            status = empathy_presence_state_get_default_status (state);
        }

        return status;
    }

    return empathy_presence_state_get_default_status (MC_PRESENCE_OFFLINE);
}

gboolean
empathy_contact_equal (gconstpointer v1,
              gconstpointer v2)
{
    McAccount   *account_a;
    McAccount   *account_b;
    const gchar *id_a;
    const gchar *id_b;

    g_return_val_if_fail (EMPATHY_IS_CONTACT (v1), FALSE);
    g_return_val_if_fail (EMPATHY_IS_CONTACT (v2), FALSE);

    account_a = empathy_contact_get_account (EMPATHY_CONTACT (v1));
    account_b = empathy_contact_get_account (EMPATHY_CONTACT (v2));

    id_a = empathy_contact_get_id (EMPATHY_CONTACT (v1));
    id_b = empathy_contact_get_id (EMPATHY_CONTACT (v2));

    return empathy_account_equal (account_a, account_b) && g_str_equal (id_a, id_b);
}

guint
empathy_contact_hash (gconstpointer key)
{
    EmpathyContactPriv *priv;
    guint              hash;

    g_return_val_if_fail (EMPATHY_IS_CONTACT (key), +1);

    priv = GET_PRIV (EMPATHY_CONTACT (key));

    hash = empathy_account_hash (empathy_contact_get_account (EMPATHY_CONTACT (key)));
    hash += g_str_hash (empathy_contact_get_id (EMPATHY_CONTACT (key)));

    return hash;
}