]> git.0d.be Git - empathy.git/blobdiff - libempathy/empathy-contact.c
Make sure to not ref a NULL object
[empathy.git] / libempathy / empathy-contact.c
index ef6b87dbf29fae6f6ce63a780e88d0e45cd67043..d248b2dd7b71d7c46cd7293142274ee391c7094f 100644 (file)
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
 /*
- * Copyright (C) 2004 Imendio AB
- * Copyright (C) 2007-2008 Collabora Ltd.
+ * Copyright (C) 2007-2009 Collabora Ltd.
  *
- * 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 library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
  *
- * This program is distributed in the hope that it will be useful,
+ * This library 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.
+ * Lesser 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.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; 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>
- *          Martyn Russell <martyn@imendio.com>
- *          Xavier Claessens <xclaesse@gmail.com>
+ * Authors: Xavier Claessens <xclaesse@gmail.com>
+ *          Sjoerd Simons <sjoerd.simons@collabora.co.uk>
  */
 
 #include "config.h"
 
 #include <string.h>
 
-#include <glib/gi18n.h>
+#include <glib/gi18n-lib.h>
 
 #include <telepathy-glib/util.h>
+#include <libmissioncontrol/mc-enum-types.h>
 
 #include "empathy-contact.h"
+#include "empathy-account-manager.h"
 #include "empathy-utils.h"
-#include "empathy-debug.h"
 #include "empathy-enum-types.h"
+#include "empathy-marshal.h"
 
-#define DEBUG_DOMAIN "Contact"
+#define DEBUG_FLAG EMPATHY_DEBUG_CONTACT
+#include "empathy-debug.h"
 
-#define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EMPATHY_TYPE_CONTACT, EmpathyContactPriv))
+#define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyContact)
+typedef struct {
+  TpContact *tp_contact;
+  McAccount *account;
+  gchar *id;
+  gchar *name;
+  EmpathyAvatar *avatar;
+  McPresence presence;
+  gchar *presence_message;
+  guint handle;
+  EmpathyCapabilities capabilities;
+  gboolean is_user;
+  guint hash;
+} EmpathyContactPriv;
+
+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);
 
-typedef struct _EmpathyContactPriv EmpathyContactPriv;
+G_DEFINE_TYPE (EmpathyContact, empathy_contact, G_TYPE_OBJECT);
 
-struct _EmpathyContactPriv {
-       gchar              *id;
-       gchar              *name;
-       EmpathyAvatar      *avatar;
-       McAccount          *account;
-       McPresence          presence;
-       gchar              *presence_message;
-       guint               handle;
-       EmpathyCapabilities capabilities;
-       gboolean            is_user;
-       guint               hash;
-       gboolean            ready;
+enum
+{
+  PROP_0,
+  PROP_TP_CONTACT,
+  PROP_ACCOUNT,
+  PROP_ID,
+  PROP_NAME,
+  PROP_AVATAR,
+  PROP_PRESENCE,
+  PROP_PRESENCE_MESSAGE,
+  PROP_HANDLE,
+  PROP_CAPABILITIES,
+  PROP_IS_USER,
 };
 
-static void empathy_contact_class_init (EmpathyContactClass *class);
-static void empathy_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);
-
-G_DEFINE_TYPE (EmpathyContact, empathy_contact, G_TYPE_OBJECT);
-
 enum {
-       PROP_0,
-       PROP_ID,
-       PROP_NAME,
-       PROP_AVATAR,
-       PROP_ACCOUNT,
-       PROP_PRESENCE,
-       PROP_PRESENCE_MESSAGE,
-       PROP_HANDLE,
-       PROP_CAPABILITIES,
-       PROP_IS_USER,
-       PROP_READY
+  PRESENCE_CHANGED,
+  LAST_SIGNAL
 };
 
+static guint signals[LAST_SIGNAL];
+
+static void
+tp_contact_notify_cb (TpContact *tp_contact,
+                      GParamSpec *param,
+                      GObject *contact)
+{
+  EmpathyContactPriv *priv = GET_PRIV (contact);
+
+  /* Forward property notifications */
+  if (!tp_strdiff (param->name, "alias"))
+    g_object_notify (contact, "name");
+  else if (!tp_strdiff (param->name, "presence-type")) {
+    McPresence presence;
+
+    presence = empathy_contact_get_presence (EMPATHY_CONTACT (contact));
+    g_signal_emit (contact, signals[PRESENCE_CHANGED], 0, presence, priv->presence);
+    priv->presence = presence;
+    g_object_notify (contact, "presence");
+  }
+  else if (!tp_strdiff (param->name, "presence-message"))
+    g_object_notify (contact, "presence-message");
+  else if (!tp_strdiff (param->name, "identifier"))
+    g_object_notify (contact, "id");
+  else if (!tp_strdiff (param->name, "handle"))
+    g_object_notify (contact, "handle");
+}
+
+static void
+contact_dispose (GObject *object)
+{
+  EmpathyContactPriv *priv = GET_PRIV (object);
+
+  if (priv->tp_contact)
+    {
+      g_signal_handlers_disconnect_by_func (priv->tp_contact,
+          tp_contact_notify_cb, object);
+      g_object_unref (priv->tp_contact);
+    }
+  priv->tp_contact = NULL;
+
+  if (priv->account)
+    g_object_unref (priv->account);
+  priv->account = NULL;
+
+  G_OBJECT_CLASS (empathy_contact_parent_class)->dispose (object);
+}
+
 static void
 empathy_contact_class_init (EmpathyContactClass *class)
 {
-       GObjectClass *object_class;
-
-       object_class = G_OBJECT_CLASS (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_uint ("presence",
-                                                           "Contact presence",
-                                                           "Presence of contact",
-                                                           MC_PRESENCE_UNSET,
-                                                           LAST_MC_PRESENCE,
-                                                           MC_PRESENCE_UNSET,
-                                                           G_PARAM_READWRITE));
-
-       g_object_class_install_property (object_class,
-                                        PROP_PRESENCE_MESSAGE,
-                                        g_param_spec_string ("presence-message",
-                                                             "Contact presence message",
-                                                             "Presence message of contact",
-                                                             NULL,
-                                                             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_CAPABILITIES,
-                                        g_param_spec_flags ("capabilities",
-                                                            "Contact Capabilities",
-                                                            "Capabilities of the contact",
-                                                            EMPATHY_TYPE_CAPABILITIES,
-                                                            EMPATHY_CAPABILITIES_UNKNOWN,
-                                                            G_PARAM_CONSTRUCT | 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_object_class_install_property (object_class,
-                                        PROP_READY,
-                                        g_param_spec_boolean ("ready",
-                                                              "Contact ready",
-                                                              "Is contact ready",
-                                                              FALSE,
-                                                              G_PARAM_READABLE));
-
-       g_type_class_add_private (object_class, sizeof (EmpathyContactPriv));
+  GObjectClass *object_class;
+
+  object_class = G_OBJECT_CLASS (class);
+
+  object_class->finalize = contact_finalize;
+  object_class->dispose = contact_dispose;
+  object_class->get_property = contact_get_property;
+  object_class->set_property = contact_set_property;
+
+  g_object_class_install_property (object_class,
+      PROP_TP_CONTACT,
+      g_param_spec_object ("tp-contact",
+        "TpContact",
+        "The TpContact associated with the contact",
+        TP_TYPE_CONTACT,
+        G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE));
+
+  g_object_class_install_property (object_class,
+      PROP_ACCOUNT,
+      g_param_spec_object ("account",
+        "The account",
+        "The account associated with the contact",
+        MC_TYPE_ACCOUNT,
+        G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE));
+
+  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_PRESENCE,
+      g_param_spec_uint ("presence",
+        "Contact presence",
+        "Presence of contact",
+        MC_PRESENCE_UNSET,
+        LAST_MC_PRESENCE,
+        MC_PRESENCE_UNSET,
+        G_PARAM_READWRITE));
+
+  g_object_class_install_property (object_class,
+      PROP_PRESENCE_MESSAGE,
+      g_param_spec_string ("presence-message",
+        "Contact presence message",
+        "Presence message of contact",
+        NULL,
+        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_CAPABILITIES,
+      g_param_spec_flags ("capabilities",
+        "Contact Capabilities",
+        "Capabilities of the contact",
+        EMPATHY_TYPE_CAPABILITIES,
+        EMPATHY_CAPABILITIES_UNKNOWN,
+        G_PARAM_CONSTRUCT | 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));
+
+  signals[PRESENCE_CHANGED] =
+    g_signal_new ("presence-changed",
+                  G_TYPE_FROM_CLASS (class),
+                  G_SIGNAL_RUN_LAST,
+                  0,
+                  NULL, NULL,
+                  _empathy_marshal_VOID__ENUM_ENUM,
+                  G_TYPE_NONE,
+                  2, MC_TYPE_PRESENCE,
+                  MC_TYPE_PRESENCE);
+
+  g_type_class_add_private (object_class, sizeof (EmpathyContactPriv));
 }
 
 static void
 empathy_contact_init (EmpathyContact *contact)
 {
+  EmpathyContactPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (contact,
+    EMPATHY_TYPE_CONTACT, EmpathyContactPriv);
+
+  contact->priv = priv;
 }
 
 static void
 contact_finalize (GObject *object)
 {
-       EmpathyContactPriv *priv;
+  EmpathyContactPriv *priv;
 
-       priv = GET_PRIV (object);
+  priv = GET_PRIV (object);
 
-       empathy_debug (DEBUG_DOMAIN, "finalize: %p", object);
+  DEBUG ("finalize: %p", object);
 
-       g_free (priv->name);
-       g_free (priv->id);
-       g_free (priv->presence_message);
+  g_free (priv->name);
+  g_free (priv->id);
+  g_free (priv->presence_message);
 
-       if (priv->avatar) {
-               empathy_avatar_unref (priv->avatar);
-       }
+  if (priv->avatar)
+      empathy_avatar_unref (priv->avatar);
 
-       if (priv->account) {
-               g_object_unref (priv->account);
-       }
+  G_OBJECT_CLASS (empathy_contact_parent_class)->finalize (object);
+}
+
+static void
+set_tp_contact (EmpathyContact *contact,
+                TpContact *tp_contact)
+{
+  EmpathyContactPriv *priv = GET_PRIV (contact);
+
+  if (tp_contact == NULL)
+    return;
 
-       G_OBJECT_CLASS (empathy_contact_parent_class)->finalize (object);
+  g_assert (priv->tp_contact == NULL);
+  priv->tp_contact = g_object_ref (tp_contact);
+  priv->presence = empathy_contact_get_presence (contact);
+
+  g_signal_connect (priv->tp_contact, "notify",
+    G_CALLBACK (tp_contact_notify_cb), contact);
 }
 
 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, priv->id);
-               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_uint (value, priv->presence);
-               break;
-       case PROP_PRESENCE_MESSAGE:
-               g_value_set_string (value, priv->presence_message);
-               break;
-       case PROP_HANDLE:
-               g_value_set_uint (value, priv->handle);
-               break;
-       case PROP_CAPABILITIES:
-               g_value_set_flags (value, priv->capabilities);
-               break;
-       case PROP_IS_USER:
-               g_value_set_boolean (value, priv->is_user);
-               break;
-       case PROP_READY:
-               g_value_set_boolean (value, priv->ready);
-               break;
-       default:
-               G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
-               break;
-       };
+contact_get_property (GObject *object,
+                      guint param_id,
+                      GValue *value,
+                      GParamSpec *pspec)
+{
+  EmpathyContact *contact = EMPATHY_CONTACT (object);
+
+  switch (param_id)
+    {
+      case PROP_TP_CONTACT:
+        g_value_set_object (value, empathy_contact_get_tp_contact (contact));
+        break;
+      case PROP_ACCOUNT:
+        g_value_set_object (value, empathy_contact_get_account (contact));
+        break;
+      case PROP_ID:
+        g_value_set_string (value, empathy_contact_get_id (contact));
+        break;
+      case PROP_NAME:
+        g_value_set_string (value, empathy_contact_get_name (contact));
+        break;
+      case PROP_AVATAR:
+        g_value_set_boxed (value, empathy_contact_get_avatar (contact));
+        break;
+      case PROP_PRESENCE:
+        g_value_set_uint (value, empathy_contact_get_presence (contact));
+        break;
+      case PROP_PRESENCE_MESSAGE:
+        g_value_set_string (value, empathy_contact_get_presence_message (contact));
+        break;
+      case PROP_HANDLE:
+        g_value_set_uint (value, empathy_contact_get_handle (contact));
+        break;
+      case PROP_CAPABILITIES:
+        g_value_set_flags (value, empathy_contact_get_capabilities (contact));
+        break;
+      case PROP_IS_USER:
+        g_value_set_boolean (value, empathy_contact_is_user (contact));
+        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),
-                                             g_value_get_uint (value));
-               break;
-       case PROP_PRESENCE_MESSAGE:
-               empathy_contact_set_presence_message (EMPATHY_CONTACT (object),
-                                                     g_value_get_string (value));
-               break;
-       case PROP_HANDLE:
-               empathy_contact_set_handle (EMPATHY_CONTACT (object),
-                                          g_value_get_uint (value));
-               break;
-       case PROP_CAPABILITIES:
-               empathy_contact_set_capabilities (EMPATHY_CONTACT (object),
-                                                 g_value_get_flags (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;
-       };
+contact_set_property (GObject *object,
+                      guint param_id,
+                      const GValue *value,
+                      GParamSpec *pspec)
+{
+  EmpathyContact *contact = EMPATHY_CONTACT (object);
+  EmpathyContactPriv *priv = GET_PRIV (object);
+
+  switch (param_id)
+    {
+      case PROP_TP_CONTACT:
+        set_tp_contact (contact, g_value_get_object (value));
+        break;
+      case PROP_ACCOUNT:
+        g_assert (priv->account == NULL);
+        priv->account = g_value_dup_object (value);
+        break;
+      case PROP_ID:
+        empathy_contact_set_id (contact, g_value_get_string (value));
+        break;
+      case PROP_NAME:
+        empathy_contact_set_name (contact, g_value_get_string (value));
+        break;
+      case PROP_AVATAR:
+        empathy_contact_set_avatar (contact, g_value_get_boxed (value));
+        break;
+      case PROP_PRESENCE:
+        empathy_contact_set_presence (contact, g_value_get_uint (value));
+        break;
+      case PROP_PRESENCE_MESSAGE:
+        empathy_contact_set_presence_message (contact, g_value_get_string (value));
+        break;
+      case PROP_HANDLE:
+        empathy_contact_set_handle (contact, g_value_get_uint (value));
+        break;
+      case PROP_CAPABILITIES:
+        empathy_contact_set_capabilities (contact, g_value_get_flags (value));
+        break;
+      case PROP_IS_USER:
+        empathy_contact_set_is_user (contact, g_value_get_boolean (value));
+        break;
+      default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+        break;
+    };
 }
 
 EmpathyContact *
-empathy_contact_new (McAccount *account)
+empathy_contact_new (TpContact *tp_contact)
 {
-       return g_object_new (EMPATHY_TYPE_CONTACT,
-                            "account", account,
-                            NULL);
+  g_return_val_if_fail (TP_IS_CONTACT (tp_contact), NULL);
+
+  return g_object_new (EMPATHY_TYPE_CONTACT,
+      "tp-contact", tp_contact,
+      NULL);
 }
 
-EmpathyContact *
-empathy_contact_new_full (McAccount   *account,
-                         const gchar *id,
-                         const gchar *name)
+TpContact *
+empathy_contact_get_tp_contact (EmpathyContact *contact)
 {
-       return g_object_new (EMPATHY_TYPE_CONTACT,
-                            "account", account,
-                            "name", name,
-                            "id", id,
-                            NULL);
+  EmpathyContactPriv *priv;
+
+  g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
+
+  priv = GET_PRIV (contact);
+
+  return priv->tp_contact;
 }
 
 const gchar *
 empathy_contact_get_id (EmpathyContact *contact)
 {
-       EmpathyContactPriv *priv;
+  EmpathyContactPriv *priv;
 
-       g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
+  g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
 
-       priv = GET_PRIV (contact);
+  priv = GET_PRIV (contact);
 
-       return priv->id;
+  if (priv->tp_contact != NULL)
+    return tp_contact_get_identifier (priv->tp_contact);
+
+  return priv->id;
 }
 
 void
 empathy_contact_set_id (EmpathyContact *contact,
-                      const gchar   *id)
+                        const gchar *id)
 {
-       EmpathyContactPriv *priv;
+  EmpathyContactPriv *priv;
 
-       g_return_if_fail (EMPATHY_IS_CONTACT (contact));
-       g_return_if_fail (id != NULL);
+  g_return_if_fail (EMPATHY_IS_CONTACT (contact));
+  g_return_if_fail (id != NULL);
 
-       priv = GET_PRIV (contact);
+  priv = GET_PRIV (contact);
 
-       if (!tp_strdiff (id, priv->id)) {
-               return;
-       }
+  /* We temporally ref the contact because it could be destroyed
+   * during the signal emition */
+  g_object_ref (contact);
+  if (tp_strdiff (id, priv->id))
+    {
+      g_free (priv->id);
+      priv->id = g_strdup (id);
 
-       g_free (priv->id);
-       priv->id = g_strdup (id);
+      g_object_notify (G_OBJECT (contact), "id");
+      if (EMP_STR_EMPTY (priv->name))
+          g_object_notify (G_OBJECT (contact), "name");
+    }
 
-       g_object_notify (G_OBJECT (contact), "id");
-       if (G_STR_EMPTY (priv->name)) {
-               g_object_notify (G_OBJECT (contact), "name");
-       }
+  g_object_unref (contact);
 }
 
 const gchar *
 empathy_contact_get_name (EmpathyContact *contact)
 {
-       EmpathyContactPriv *priv;
+  EmpathyContactPriv *priv;
+
+  g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
 
-       g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
+  priv = GET_PRIV (contact);
 
-       priv = GET_PRIV (contact);
+  if (priv->tp_contact != NULL)
+    return tp_contact_get_alias (priv->tp_contact);
 
-       if (G_STR_EMPTY (priv->name)) {
-               return empathy_contact_get_id (contact);
-       }
+  if (EMP_STR_EMPTY (priv->name))
+      return empathy_contact_get_id (contact);
 
-       return priv->name;
+  return priv->name;
 }
 
 void
 empathy_contact_set_name (EmpathyContact *contact,
-                        const gchar   *name)
+                          const gchar *name)
 {
-       EmpathyContactPriv *priv;
+  EmpathyContactPriv *priv;
 
-       g_return_if_fail (EMPATHY_IS_CONTACT (contact));
+  g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 
-       priv = GET_PRIV (contact);
+  priv = GET_PRIV (contact);
 
-       if (!tp_strdiff (name, priv->name)) {
-               return;
-       }
-
-       g_free (priv->name);
-       priv->name = g_strdup (name);
-
-       g_object_notify (G_OBJECT (contact), "name");
+  g_object_ref (contact);
+  if (tp_strdiff (name, priv->name))
+    {
+      g_free (priv->name);
+      priv->name = g_strdup (name);
+      g_object_notify (G_OBJECT (contact), "name");
+    }
+  g_object_unref (contact);
 }
 
 EmpathyAvatar *
 empathy_contact_get_avatar (EmpathyContact *contact)
 {
-       EmpathyContactPriv *priv;
+  EmpathyContactPriv *priv;
 
-       g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
+  g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
 
-       priv = GET_PRIV (contact);
+  priv = GET_PRIV (contact);
 
-       return priv->avatar;
+  return priv->avatar;
 }
 
 void
 empathy_contact_set_avatar (EmpathyContact *contact,
-                          EmpathyAvatar  *avatar)
+                            EmpathyAvatar *avatar)
 {
-       EmpathyContactPriv *priv;
+  EmpathyContactPriv *priv;
 
-       g_return_if_fail (EMPATHY_IS_CONTACT (contact));
+  g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 
-       priv = GET_PRIV (contact);
+  priv = GET_PRIV (contact);
 
-       if (priv->avatar == avatar) {
-               return;
-       }
+  if (priv->avatar == avatar)
+    return;
 
-       if (priv->avatar) {
-               empathy_avatar_unref (priv->avatar);
-               priv->avatar = NULL;
-       }
+  if (priv->avatar)
+    {
+      empathy_avatar_unref (priv->avatar);
+      priv->avatar = NULL;
+    }
 
-       if (avatar) {
-               priv->avatar = empathy_avatar_ref (avatar);
-       }
+  if (avatar)
+      priv->avatar = empathy_avatar_ref (avatar);
 
-       g_object_notify (G_OBJECT (contact), "avatar");
+  g_object_notify (G_OBJECT (contact), "avatar");
 }
 
 McAccount *
 empathy_contact_get_account (EmpathyContact *contact)
 {
-       EmpathyContactPriv *priv;
+  EmpathyContactPriv *priv;
+
+  g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
+
+  priv = GET_PRIV (contact);
 
-       g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
+  if (priv->account != NULL)
+    return priv->account;
 
-       priv = GET_PRIV (contact);
+  if (priv->tp_contact != NULL)
+    {
+      EmpathyAccountManager *manager;
+      TpConnection *connection;
 
-       return priv->account;
+      /* FIXME: This assume the account manager already exists */
+      manager = empathy_account_manager_dup_singleton ();
+      connection = tp_contact_get_connection (priv->tp_contact);
+      priv->account = empathy_account_manager_get_account (manager, connection);
+      g_object_unref (manager);
+
+      return g_object_ref (priv->account);
+    }
+
+  return NULL;
 }
 
-void
-empathy_contact_set_account (EmpathyContact *contact,
-                            McAccount      *account)
+TpConnection *
+empathy_contact_get_connection (EmpathyContact *contact)
 {
-       EmpathyContactPriv *priv;
+  EmpathyContactPriv *priv;
 
-       g_return_if_fail (EMPATHY_IS_CONTACT (contact));
-       g_return_if_fail (MC_IS_ACCOUNT (account));
+  g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
 
-       priv = GET_PRIV (contact);
+  priv = GET_PRIV (contact);
 
-       if (account == priv->account) {
-               return;
-       }
+  if (priv->tp_contact != NULL)
+    return tp_contact_get_connection (priv->tp_contact);
 
-       if (priv->account) {
-               g_object_unref (priv->account);
-       }
-       priv->account = g_object_ref (account);
+  return NULL;
+}
 
-       g_object_notify (G_OBJECT (contact), "account");
+static McPresence
+presence_type_to_mc_presence (TpConnectionPresenceType type)
+{
+  switch (type)
+    {
+      case TP_CONNECTION_PRESENCE_TYPE_UNSET:
+      case TP_CONNECTION_PRESENCE_TYPE_UNKNOWN:
+      case TP_CONNECTION_PRESENCE_TYPE_ERROR:
+        return MC_PRESENCE_UNSET;
+      case TP_CONNECTION_PRESENCE_TYPE_OFFLINE:
+        return MC_PRESENCE_OFFLINE;
+      case TP_CONNECTION_PRESENCE_TYPE_AVAILABLE:
+        return MC_PRESENCE_AVAILABLE;
+      case TP_CONNECTION_PRESENCE_TYPE_AWAY:
+        return MC_PRESENCE_AWAY;
+      case TP_CONNECTION_PRESENCE_TYPE_EXTENDED_AWAY:
+        return MC_PRESENCE_EXTENDED_AWAY;
+      case TP_CONNECTION_PRESENCE_TYPE_HIDDEN:
+        return MC_PRESENCE_HIDDEN;
+      case TP_CONNECTION_PRESENCE_TYPE_BUSY:
+        return MC_PRESENCE_DO_NOT_DISTURB;
+    }
+
+  return MC_PRESENCE_UNSET;
 }
 
 McPresence
 empathy_contact_get_presence (EmpathyContact *contact)
 {
-       EmpathyContactPriv *priv;
+  EmpathyContactPriv *priv;
 
-       g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), MC_PRESENCE_UNSET);
+  g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), MC_PRESENCE_UNSET);
 
-       priv = GET_PRIV (contact);
+  priv = GET_PRIV (contact);
 
-       return priv->presence;
+  if (priv->tp_contact != NULL)
+    return presence_type_to_mc_presence (tp_contact_get_presence_type (
+        priv->tp_contact));
+
+  return priv->presence;
 }
 
 void
 empathy_contact_set_presence (EmpathyContact *contact,
-                             McPresence      presence)
+                              McPresence presence)
 {
-       EmpathyContactPriv *priv;
+  EmpathyContactPriv *priv;
+  McPresence old_presence;
+
+  g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 
-       g_return_if_fail (EMPATHY_IS_CONTACT (contact));
+  priv = GET_PRIV (contact);
 
-       priv = GET_PRIV (contact);
+  if (presence == priv->presence)
+    return;
 
-       if (presence == priv->presence) {
-               return;
-       }
+  old_presence = priv->presence;
+  priv->presence = presence;
 
-       priv->presence = presence;
+  g_signal_emit (contact, signals[PRESENCE_CHANGED], 0, presence, old_presence);
 
-       g_object_notify (G_OBJECT (contact), "presence");
+  g_object_notify (G_OBJECT (contact), "presence");
 }
 
 const gchar *
 empathy_contact_get_presence_message (EmpathyContact *contact)
 {
-       EmpathyContactPriv *priv;
+  EmpathyContactPriv *priv;
+
+  g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
 
-       g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
+  priv = GET_PRIV (contact);
 
-       priv = GET_PRIV (contact);
+  if (priv->tp_contact != NULL)
+    return tp_contact_get_presence_message (priv->tp_contact);
 
-       return priv->presence_message;
+  return priv->presence_message;
 }
 
 void
 empathy_contact_set_presence_message (EmpathyContact *contact,
-                                     const gchar    *message)
+                                      const gchar *message)
 {
-       EmpathyContactPriv *priv = GET_PRIV (contact);
+  EmpathyContactPriv *priv = GET_PRIV (contact);
 
-       g_return_if_fail (EMPATHY_IS_CONTACT (contact));
+  g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 
-       if (!tp_strdiff (message, priv->presence_message)) {
-               return;
-       }
+  if (!tp_strdiff (message, priv->presence_message))
+    return;
 
-       g_free (priv->presence_message);
-       priv->presence_message = g_strdup (message);
+  g_free (priv->presence_message);
+  priv->presence_message = g_strdup (message);
 
-       g_object_notify (G_OBJECT (contact), "presence-message");
+  g_object_notify (G_OBJECT (contact), "presence-message");
 }
 
 guint
 empathy_contact_get_handle (EmpathyContact *contact)
 {
-       EmpathyContactPriv *priv;
+  EmpathyContactPriv *priv;
 
-       g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), 0);
+  g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), 0);
 
-       priv = GET_PRIV (contact);
+  priv = GET_PRIV (contact);
 
-       return priv->handle;
+  if (priv->tp_contact != NULL)
+    return tp_contact_get_handle (priv->tp_contact);
+
+  return priv->handle;
 }
 
 void
 empathy_contact_set_handle (EmpathyContact *contact,
-                          guint          handle)
+                            guint handle)
 {
-       EmpathyContactPriv *priv;
-
-       g_return_if_fail (EMPATHY_IS_CONTACT (contact));
+  EmpathyContactPriv *priv;
 
-       priv = GET_PRIV (contact);
+  g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 
-       if (priv->handle == handle) {
-               return;
-       }
+  priv = GET_PRIV (contact);
 
-       priv->handle = handle;
-
-       g_object_notify (G_OBJECT (contact), "handle");
+  g_object_ref (contact);
+  if (handle != priv->handle)
+    {
+      priv->handle = handle;
+      g_object_notify (G_OBJECT (contact), "handle");
+    }
+  g_object_unref (contact);
 }
 
 EmpathyCapabilities
 empathy_contact_get_capabilities (EmpathyContact *contact)
 {
-       EmpathyContactPriv *priv;
+  EmpathyContactPriv *priv;
 
-       g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), 0);
+  g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), 0);
 
-       priv = GET_PRIV (contact);
+  priv = GET_PRIV (contact);
 
-       return priv->capabilities;
+  return priv->capabilities;
 }
 
 void
-empathy_contact_set_capabilities (EmpathyContact      *contact,
-                                 EmpathyCapabilities  capabilities)
+empathy_contact_set_capabilities (EmpathyContact *contact,
+                                  EmpathyCapabilities capabilities)
 {
-       EmpathyContactPriv *priv;
+  EmpathyContactPriv *priv;
 
-       g_return_if_fail (EMPATHY_IS_CONTACT (contact));
+  g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 
-       priv = GET_PRIV (contact);
+  priv = GET_PRIV (contact);
 
-       if (priv->capabilities == capabilities) {
-               return;
-       }
+  if (priv->capabilities == capabilities)
+    return;
 
-       priv->capabilities = capabilities;
+  priv->capabilities = capabilities;
 
-       g_object_notify (G_OBJECT (contact), "capabilities");
+  g_object_notify (G_OBJECT (contact), "capabilities");
 }
 
 gboolean
 empathy_contact_is_user (EmpathyContact *contact)
 {
-       EmpathyContactPriv *priv;
+  EmpathyContactPriv *priv;
 
-       g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), FALSE);
+  g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), FALSE);
 
-       priv = GET_PRIV (contact);
+  priv = GET_PRIV (contact);
 
-       return priv->is_user;
+  return priv->is_user;
 }
 
 void
 empathy_contact_set_is_user (EmpathyContact *contact,
-                           gboolean       is_user)
+                             gboolean is_user)
 {
-       EmpathyContactPriv *priv;
+  EmpathyContactPriv *priv;
 
-       g_return_if_fail (EMPATHY_IS_CONTACT (contact));
+  g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 
-       priv = GET_PRIV (contact);
+  priv = GET_PRIV (contact);
 
-       if (priv->is_user == is_user) {
-               return;
-       }
+  if (priv->is_user == is_user)
+    return;
 
-       priv->is_user = is_user;
+  priv->is_user = is_user;
 
-       g_object_notify (G_OBJECT (contact), "is-user");
+  g_object_notify (G_OBJECT (contact), "is-user");
 }
 
 gboolean
 empathy_contact_is_online (EmpathyContact *contact)
 {
-       EmpathyContactPriv *priv;
-
-       g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), FALSE);
-
-       priv = GET_PRIV (contact);
+  g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), FALSE);
 
-       return (priv->presence > MC_PRESENCE_OFFLINE);
+  return (empathy_contact_get_presence (contact) > MC_PRESENCE_OFFLINE);
 }
 
 const gchar *
 empathy_contact_get_status (EmpathyContact *contact)
 {
-       EmpathyContactPriv *priv;
+  const gchar *message;
 
-       g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), "");
+  g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), "");
 
-       priv = GET_PRIV (contact);
+  message = empathy_contact_get_presence_message (contact);
+  if (message)
+    return message;
 
-       if (priv->presence_message) {
-               return priv->presence_message;
-       }
-
-       return empathy_presence_get_default_message (priv->presence);
+  return empathy_presence_get_default_message (
+      empathy_contact_get_presence (contact));
 }
 
 gboolean
 empathy_contact_can_voip (EmpathyContact *contact)
 {
-       EmpathyContactPriv *priv;
+  EmpathyContactPriv *priv;
 
-       g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), FALSE);
+  g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), FALSE);
 
-       priv = GET_PRIV (contact);
+  priv = GET_PRIV (contact);
 
-       return priv->capabilities & (EMPATHY_CAPABILITIES_AUDIO |
-                                    EMPATHY_CAPABILITIES_VIDEO);
+  return priv->capabilities & (EMPATHY_CAPABILITIES_AUDIO |
+      EMPATHY_CAPABILITIES_VIDEO);
 }
 
 gboolean
-empathy_contact_is_ready (EmpathyContact *contact)
+empathy_contact_can_send_files (EmpathyContact *contact)
 {
-       EmpathyContactPriv *priv;
+  EmpathyContactPriv *priv;
+
+  g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), FALSE);
 
-       g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), FALSE);
+  priv = GET_PRIV (contact);
 
-       priv = GET_PRIV (contact);
+  return priv->capabilities & EMPATHY_CAPABILITIES_FT;
+}
 
-       return priv->ready;
+static gchar *
+contact_get_avatar_filename (EmpathyContact *contact,
+                             const gchar *token)
+{
+  EmpathyContactPriv *priv = GET_PRIV (contact);
+  McAccount *account;
+  gchar *avatar_path;
+  gchar *avatar_file;
+  gchar *token_escaped;
+  gchar *contact_escaped;
+
+  if (EMP_STR_EMPTY (priv->id))
+    return NULL;
+
+  contact_escaped = tp_escape_as_identifier (priv->id);
+  token_escaped = tp_escape_as_identifier (token);
+  account = empathy_contact_get_account (contact);
+
+  /* FIXME: Do not use the account, but proto/cm instead */
+  avatar_path = g_build_filename (g_get_user_cache_dir (),
+      PACKAGE_NAME,
+      "avatars",
+      mc_account_get_unique_name (account),
+      contact_escaped,
+      NULL);
+  g_mkdir_with_parents (avatar_path, 0700);
+
+  avatar_file = g_build_filename (avatar_path, token_escaped, NULL);
+
+  g_free (contact_escaped);
+  g_free (token_escaped);
+  g_free (avatar_path);
+
+  return avatar_file;
+}
+
+void
+empathy_contact_load_avatar_data (EmpathyContact *contact,
+                                  const guchar  *data,
+                                  const gsize len,
+                                  const gchar *format,
+                                  const gchar *token)
+{
+  EmpathyAvatar *avatar;
+  gchar *filename;
+  GError *error = NULL;
+
+  g_return_if_fail (EMPATHY_IS_CONTACT (contact));
+  g_return_if_fail (data != NULL);
+  g_return_if_fail (len > 0);
+  g_return_if_fail (format != NULL);
+  g_return_if_fail (!EMP_STR_EMPTY (token));
+
+  /* Load and set the avatar */
+  avatar = empathy_avatar_new (g_memdup (data, len), len, g_strdup (format),
+      g_strdup (token));
+  empathy_contact_set_avatar (contact, avatar);
+  empathy_avatar_unref (avatar);
+
+  /* Save to cache if not yet in it */
+  filename = contact_get_avatar_filename (contact, token);
+  if (filename && !g_file_test (filename, G_FILE_TEST_EXISTS))
+    {
+      if (!empathy_avatar_save_to_file (avatar, filename, &error))
+        {
+          DEBUG ("Failed to save avatar in cache: %s",
+            error ? error->message : "No error given");
+          g_clear_error (&error);
+        }
+      else
+          DEBUG ("Avatar saved to %s", filename);
+    }
+  g_free (filename);
 }
 
 gboolean
-empathy_contact_equal (gconstpointer v1,
-                     gconstpointer v2)
+empathy_contact_load_avatar_cache (EmpathyContact *contact,
+                                   const gchar *token)
 {
-       McAccount   *account_a;
-       McAccount   *account_b;
-       const gchar *id_a;
-       const gchar *id_b;
+  EmpathyAvatar *avatar = NULL;
+  gchar *filename;
+  gchar *data = NULL;
+  gsize len;
+  GError *error = NULL;
+
+  g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), FALSE);
+  g_return_val_if_fail (!EMP_STR_EMPTY (token), FALSE);
+
+  /* Load the avatar from file if it exists */
+  filename = contact_get_avatar_filename (contact, token);
+  if (filename && g_file_test (filename, G_FILE_TEST_EXISTS))
+    {
+      if (!g_file_get_contents (filename, &data, &len, &error))
+        {
+          DEBUG ("Failed to load avatar from cache: %s",
+            error ? error->message : "No error given");
+          g_clear_error (&error);
+        }
+    }
+
+  if (data)
+    {
+      DEBUG ("Avatar loaded from %s", filename);
+      avatar = empathy_avatar_new (data, len, NULL, g_strdup (token));
+      empathy_contact_set_avatar (contact, avatar);
+      empathy_avatar_unref (avatar);
+    }
+
+  g_free (filename);
+
+  return data != NULL;
+}
+
+GType
+empathy_avatar_get_type (void)
+{
+  static GType type_id = 0;
+
+  if (!type_id)
+    {
+      type_id = g_boxed_type_register_static ("EmpathyAvatar",
+          (GBoxedCopyFunc) empathy_avatar_ref,
+          (GBoxedFreeFunc) empathy_avatar_unref);
+    }
 
-       g_return_val_if_fail (EMPATHY_IS_CONTACT (v1), FALSE);
-       g_return_val_if_fail (EMPATHY_IS_CONTACT (v2), FALSE);
+  return type_id;
+}
 
-       account_a = empathy_contact_get_account (EMPATHY_CONTACT (v1));
-       account_b = empathy_contact_get_account (EMPATHY_CONTACT (v2));
+EmpathyAvatar *
+empathy_avatar_new (guchar *data,
+                    gsize len,
+                    gchar *format,
+                    gchar *token)
+{
+  EmpathyAvatar *avatar;
 
-       id_a = empathy_contact_get_id (EMPATHY_CONTACT (v1));
-       id_b = empathy_contact_get_id (EMPATHY_CONTACT (v2));
+  avatar = g_slice_new0 (EmpathyAvatar);
+  avatar->data = data;
+  avatar->len = len;
+  avatar->format = format;
+  avatar->token = token;
+  avatar->refcount = 1;
 
-       return empathy_account_equal (account_a, account_b) && g_str_equal (id_a, id_b);
+  return avatar;
 }
 
-guint
-empathy_contact_hash (gconstpointer key)
+void
+empathy_avatar_unref (EmpathyAvatar *avatar)
 {
-       EmpathyContactPriv *priv;
+  g_return_if_fail (avatar != NULL);
+
+  avatar->refcount--;
+  if (avatar->refcount == 0)
+    {
+      g_free (avatar->data);
+      g_free (avatar->format);
+      g_free (avatar->token);
+      g_slice_free (EmpathyAvatar, avatar);
+    }
+}
 
-       g_return_val_if_fail (EMPATHY_IS_CONTACT (key), +1);
+EmpathyAvatar *
+empathy_avatar_ref (EmpathyAvatar *avatar)
+{
+  g_return_val_if_fail (avatar != NULL, NULL);
 
-       priv = GET_PRIV (EMPATHY_CONTACT (key));
+  avatar->refcount++;
 
-       if (priv->hash == 0) {
-               priv->hash = empathy_account_hash (priv->account) + g_str_hash (priv->id);
-       }
+  return avatar;
+}
 
-       return priv->hash;
+/**
+ * empathy_avatar_save_to_file:
+ * @avatar: the avatar
+ * @filename: name of a file to write avatar to
+ * @error: return location for a GError, or NULL
+ *
+ * Save the avatar to a file named filename
+ *
+ * Returns: %TRUE on success, %FALSE if an error occurred 
+ */
+gboolean
+empathy_avatar_save_to_file (EmpathyAvatar *self,
+                             const gchar *filename,
+                             GError **error)
+{
+  return g_file_set_contents (filename, self->data, self->len, error);
 }