path: root/libempathy/empathy-tp-group.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * Copyright (C) 2006 Xavier Claessens <xclaesse@gmail.com>
 *
 * 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.
 */

#include <config.h>

#include <dbus/dbus-glib.h>
#include <libtelepathy/tp-chan.h>
#include <libtelepathy/tp-chan-iface-group-gen.h>
#include <libtelepathy/tp-constants.h>
#include <libtelepathy/tp-conn.h>

#include "empathy-debug.h"
#include "empathy-tp-group.h"
#include "empathy-utils.h"
#include "empathy-marshal.h"

#define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), \
               EMPATHY_TYPE_TP_GROUP, EmpathyTpGroupPriv))

#define DEBUG_DOMAIN "TpGroup"

struct _EmpathyTpGroupPriv {
    McAccount  *account;
    DBusGProxy *group_iface;
    TpChan     *tp_chan;
    gchar      *group_name;
};

static void empathy_tp_group_class_init (EmpathyTpGroupClass *klass);
static void empathy_tp_group_init       (EmpathyTpGroup      *group);
static void tp_group_finalize           (GObject             *object);
static void tp_group_destroy_cb         (DBusGProxy          *proxy,
                     EmpathyTpGroup      *group);
static void tp_group_members_changed_cb (DBusGProxy          *group_iface,
                     gchar               *message,
                     GArray              *added,
                     GArray              *removed,
                     GArray              *local_pending,
                     GArray              *remote_pending,
                     guint                actor,
                     guint                reason,
                     EmpathyTpGroup      *group);

enum {
    MEMBERS_ADDED,
    MEMBERS_REMOVED,
    LOCAL_PENDING,
    REMOTE_PENDING,
    LAST_SIGNAL
};

static guint signals[LAST_SIGNAL];

G_DEFINE_TYPE (EmpathyTpGroup, empathy_tp_group, G_TYPE_OBJECT);

static void
empathy_tp_group_class_init (EmpathyTpGroupClass *klass)
{
    GObjectClass *object_class = G_OBJECT_CLASS (klass);

    object_class->finalize = tp_group_finalize;

    signals[MEMBERS_ADDED] =
        g_signal_new ("members-added",
                  G_TYPE_FROM_CLASS (klass),
                  G_SIGNAL_RUN_LAST,
                  0,
                  NULL, NULL,
                  empathy_marshal_VOID__POINTER_UINT_UINT_STRING,
                  G_TYPE_NONE,
                  4, G_TYPE_POINTER, G_TYPE_UINT, G_TYPE_UINT, G_TYPE_STRING);

    signals[MEMBERS_REMOVED] =
        g_signal_new ("members-removed",
                  G_TYPE_FROM_CLASS (klass),
                  G_SIGNAL_RUN_LAST,
                  0,
                  NULL, NULL,
                  empathy_marshal_VOID__POINTER_UINT_UINT_STRING,
                  G_TYPE_NONE,
                  4, G_TYPE_POINTER, G_TYPE_UINT, G_TYPE_UINT, G_TYPE_STRING);

    signals[LOCAL_PENDING] =
        g_signal_new ("local-pending",
                  G_TYPE_FROM_CLASS (klass),
                  G_SIGNAL_RUN_LAST,
                  0,
                  NULL, NULL,
                  empathy_marshal_VOID__POINTER_UINT_UINT_STRING,
                  G_TYPE_NONE,
                  4, G_TYPE_POINTER, G_TYPE_UINT, G_TYPE_UINT, G_TYPE_STRING);

    signals[REMOTE_PENDING] =
        g_signal_new ("remote-pending",
                  G_TYPE_FROM_CLASS (klass),
                  G_SIGNAL_RUN_LAST,
                  0,
                  NULL, NULL,
                  empathy_marshal_VOID__POINTER_UINT_UINT_STRING,
                  G_TYPE_NONE,
                  4, G_TYPE_POINTER, G_TYPE_UINT, G_TYPE_UINT, G_TYPE_STRING);

    g_type_class_add_private (object_class, sizeof (EmpathyTpGroupPriv));
}

static void
empathy_tp_group_init (EmpathyTpGroup *group)
{
}

static void
tp_group_finalize (GObject *object)
{
    EmpathyTpGroupPriv *priv;

    priv = GET_PRIV (object);

    if (priv->group_iface) {
        g_signal_handlers_disconnect_by_func (priv->group_iface,
                              tp_group_destroy_cb,
                              object);
        dbus_g_proxy_disconnect_signal (priv->group_iface, "MembersChanged",
                        G_CALLBACK (tp_group_members_changed_cb),
                        object);
        g_object_unref (priv->group_iface);
    }

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

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

    g_free (priv->group_name);

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

EmpathyTpGroup *
empathy_tp_group_new (McAccount *account,
              TpChan    *tp_chan)
{
    EmpathyTpGroup     *group;
    EmpathyTpGroupPriv *priv;
    DBusGProxy         *group_iface;

    g_return_val_if_fail (TELEPATHY_IS_CHAN (tp_chan), NULL);
    g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);

    group_iface = tp_chan_get_interface (tp_chan,
                         TELEPATHY_CHAN_IFACE_GROUP_QUARK);
    g_return_val_if_fail (group_iface != NULL, NULL);

    group = g_object_new (EMPATHY_TYPE_TP_GROUP, NULL);
    priv = GET_PRIV (group);

    priv->account = g_object_ref (account);
    priv->tp_chan = g_object_ref (tp_chan);
    priv->group_iface = g_object_ref (group_iface);

    dbus_g_proxy_connect_signal (priv->group_iface, "MembersChanged",
                     G_CALLBACK (tp_group_members_changed_cb),
                     group, NULL);
    g_signal_connect (group_iface, "destroy",
              G_CALLBACK (tp_group_destroy_cb),
              group);

    return group;
}

void
empathy_tp_group_add_members (EmpathyTpGroup *group,
                  GArray         *handles,
                  const gchar    *message)
{
    EmpathyTpGroupPriv *priv;
    GError             *error = NULL;

    g_return_if_fail (EMPATHY_IS_TP_GROUP (group));
    g_return_if_fail (handles != NULL);

    priv = GET_PRIV (group);

    if (!tp_chan_iface_group_add_members (priv->group_iface,
                          handles,
                          message,
                          &error)) {
        empathy_debug (DEBUG_DOMAIN,
                  "Failed to add members: %s",
                  error ? error->message : "No error given");
        g_clear_error (&error);
    }
}

void
empathy_tp_group_add_member (EmpathyTpGroup *group,
                 guint           handle,
                 const gchar    *message)
{
    GArray *handles;

    handles = g_array_new (FALSE, FALSE, sizeof (guint));
    g_array_append_val (handles, handle);

    empathy_tp_group_add_members (group, handles, message);

    g_array_free (handles, TRUE);
}

void
empathy_tp_group_remove_members (EmpathyTpGroup *group,
                 GArray         *handles,
                 const gchar    *message)
{
    EmpathyTpGroupPriv *priv;
    GError             *error = NULL;

    g_return_if_fail (EMPATHY_IS_TP_GROUP (group));

    priv = GET_PRIV (group);

    if (!tp_chan_iface_group_remove_members (priv->group_iface,
                         handles,
                         message,
                         &error)) {
        empathy_debug (DEBUG_DOMAIN, 
                  "Failed to remove members: %s",
                  error ? error->message : "No error given");
        g_clear_error (&error);
    }
}

void
empathy_tp_group_remove_member (EmpathyTpGroup *group,
                guint           handle,
                const gchar    *message)
{
    GArray *handles;

    g_return_if_fail (EMPATHY_IS_TP_GROUP (group));

    handles = g_array_new (FALSE, FALSE, sizeof (guint));
    g_array_append_val (handles, handle);

    empathy_tp_group_remove_members (group, handles, message);

    g_array_free (handles, TRUE);
}

GArray *
empathy_tp_group_get_members (EmpathyTpGroup *group)
{
    EmpathyTpGroupPriv *priv;
    GArray             *members;
    GError             *error = NULL;

    g_return_val_if_fail (EMPATHY_IS_TP_GROUP (group), NULL);

    priv = GET_PRIV (group);

    if (!tp_chan_iface_group_get_members (priv->group_iface,
                          &members,
                          &error)) {
        empathy_debug (DEBUG_DOMAIN, 
                  "Couldn't get members: %s",
                  error ? error->message : "No error given");
        g_clear_error (&error);
        return NULL;
    }

    return members;
}

void
empathy_tp_group_get_all_members (EmpathyTpGroup  *group,
                  GArray         **members,
                  GArray         **local_pending,
                  GArray         **remote_pending)
{
    EmpathyTpGroupPriv *priv;
    GError             *error = NULL;

    g_return_if_fail (EMPATHY_IS_TP_GROUP (group));

    priv = GET_PRIV (group);

    if (!tp_chan_iface_group_get_all_members (priv->group_iface,
                          members,
                          local_pending,
                          remote_pending,
                          &error)) {
        empathy_debug (DEBUG_DOMAIN,
                  "Couldn't get all members: %s",
                  error ? error->message : "No error given");
        g_clear_error (&error);
    }
}

GList *
empathy_tp_group_get_local_pending_members_with_info (EmpathyTpGroup *group)
{
    EmpathyTpGroupPriv *priv;
    GPtrArray          *array;
    guint               i;
    GList              *infos = NULL;
    GError             *error = NULL;

    g_return_val_if_fail (EMPATHY_IS_TP_GROUP (group), NULL);

    priv = GET_PRIV (group);

    if (!tp_chan_iface_group_get_local_pending_members_with_info (priv->group_iface,
                                      &array,
                                      &error)) {
        empathy_debug (DEBUG_DOMAIN, 
                  "GetLocalPendingMembersWithInfo failed: %s",
                  error ? error->message : "No error given");
        g_clear_error (&error);

        return NULL;
    }

    if (!array) {
        /* This happens with butterfly because
         * GetLocalPendingMembersWithInfo is not 
         * implemented */
        return NULL;
    }

    for (i = 0; array->len > i; i++) {
        GValueArray        *pending_struct;
        EmpathyTpGroupInfo *info;
        const gchar        *message;

        info = g_slice_new (EmpathyTpGroupInfo);

        pending_struct = g_ptr_array_index (array, i);
        info->member = g_value_get_uint (g_value_array_get_nth (pending_struct, 0));
        info->actor = g_value_get_uint (g_value_array_get_nth (pending_struct, 1));
        info->reason = g_value_get_uint (g_value_array_get_nth (pending_struct, 2));
        message = g_value_get_string (g_value_array_get_nth (pending_struct, 3));
        info->message = g_strdup (message);
        g_value_array_free (pending_struct);

        infos = g_list_prepend (infos, info);
    }
    g_ptr_array_free (array, TRUE);

    return infos;
}

void
empathy_tp_group_info_list_free (GList *infos)
{
    GList *l;

    for (l = infos; l; l = l->next) {
        EmpathyTpGroupInfo *info;

        info = l->data;

        g_free (info->message);
        g_slice_free (EmpathyTpGroupInfo, info);
    }
    g_list_free (infos);
}


static void
tp_group_destroy_cb (DBusGProxy     *proxy,
             EmpathyTpGroup *group)
{
    EmpathyTpGroupPriv *priv;

    priv = GET_PRIV (group);

    g_object_unref (priv->group_iface);
    g_object_unref (priv->tp_chan);
    priv->group_iface = NULL;
    priv->tp_chan = NULL;
}

static void
tp_group_members_changed_cb (DBusGProxy     *group_iface,
                 gchar          *message,
                 GArray         *added,
                 GArray         *removed,
                 GArray         *local_pending,
                 GArray         *remote_pending,
                 guint           actor,
                 guint           reason,
                 EmpathyTpGroup *group)
{
    EmpathyTpGroupPriv *priv;

    priv = GET_PRIV (group);

    /* emit signals */
    if (added->len > 0) {
        g_signal_emit (group, signals[MEMBERS_ADDED], 0, 
                       added, actor, reason, message);
    }
    if (removed->len > 0) {
        g_signal_emit (group, signals[MEMBERS_REMOVED], 0, 
                       removed, actor, reason, message);
    }
    if (local_pending->len > 0) {
        g_signal_emit (group, signals[LOCAL_PENDING], 0,
                       local_pending, actor, reason, message);
    }
    if (remote_pending->len > 0) {
        g_signal_emit (group, signals[REMOTE_PENDING], 0,
                       remote_pending, actor, reason, message);
    }
}

const gchar *
empathy_tp_group_get_name (EmpathyTpGroup *group)
{
    EmpathyTpGroupPriv *priv;

    g_return_val_if_fail (EMPATHY_IS_TP_GROUP (group), NULL);

    priv = GET_PRIV (group);

    /* Lazy initialisation */
    if (priv->group_name) {
        return priv->group_name;
    }

    priv->group_name = empathy_inspect_channel (priv->account, priv->tp_chan);

    return priv->group_name;
}

guint 
empathy_tp_group_get_self_handle (EmpathyTpGroup *group)
{
    EmpathyTpGroupPriv *priv;
    guint               handle;
    GError             *error = NULL;

    g_return_val_if_fail (EMPATHY_IS_TP_GROUP (group), 0 );

    priv = GET_PRIV (group);

    if (!tp_chan_iface_group_get_self_handle (priv->group_iface, &handle, &error)) {
        empathy_debug (DEBUG_DOMAIN, 
                  "Failed to get self handle: %s",
                  error ? error->message : "No error given");
        g_clear_error (&error);
        return 0;
    }

    return handle;
}

const gchar *
empathy_tp_group_get_object_path (EmpathyTpGroup *group)
{
    EmpathyTpGroupPriv *priv;

    g_return_val_if_fail (EMPATHY_IS_TP_GROUP (group), NULL);

    priv = GET_PRIV (group);

    return dbus_g_proxy_get_path (DBUS_G_PROXY (priv->tp_chan));
}

gboolean
empathy_tp_group_is_member (EmpathyTpGroup *group,
                guint           handle)
{
    GArray   *members;
    guint     i;
    gboolean  found = FALSE;

    members = empathy_tp_group_get_members (group);
    for (i = 0; i < members->len; i++) {
        if (g_array_index (members, guint, i) == handle) {
            found = TRUE;
            break;
        }
    }
    g_array_free (members, TRUE);
    
    return found;
}