/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */ /* * Copyright (C) 2007-2009 Collabora Ltd. * * 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 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 * Lesser General Public License for more details. * * 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: Xavier Claessens */ #include "config.h" #include #include #include #include #include #include #include #include #include #ifdef HAVE_GEOCLUE #include #endif #include "empathy-contact.h" #include "empathy-utils.h" #include "empathy-enum-types.h" #include "empathy-marshal.h" #include "empathy-location.h" #define DEBUG_FLAG EMPATHY_DEBUG_CONTACT #include "empathy-debug.h" #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyContact) typedef struct { TpContact *tp_contact; TpAccount *account; FolksPersona *persona; gchar *id; gchar *alias; EmpathyAvatar *avatar; TpConnectionPresenceType presence; guint handle; EmpathyCapabilities capabilities; gboolean is_user; guint hash; /* Location is composed of string keys and GValues. * Example: a "city" key would have "Helsinki" as string GValue, * a "latitude" would have 65.0 as double GValue. * * This is a super set of the location stored in TpContact as we can try add * more fields by searching the address using geoclue. */ GHashTable *location; GHashTable *groups; } 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); #ifdef HAVE_GEOCLUE static void update_geocode (EmpathyContact *contact); #endif static void empathy_contact_set_location (EmpathyContact *contact, GHashTable *location); static void set_capabilities_from_tp_caps (EmpathyContact *self, TpCapabilities *caps); static void contact_set_avatar (EmpathyContact *contact, EmpathyAvatar *avatar); static void contact_set_avatar_from_tp_contact (EmpathyContact *contact); static gboolean contact_load_avatar_cache (EmpathyContact *contact, const gchar *token); G_DEFINE_TYPE (EmpathyContact, empathy_contact, G_TYPE_OBJECT); enum { PROP_0, PROP_TP_CONTACT, PROP_ACCOUNT, PROP_PERSONA, PROP_ID, PROP_ALIAS, PROP_AVATAR, PROP_PRESENCE, PROP_PRESENCE_MESSAGE, PROP_HANDLE, PROP_CAPABILITIES, PROP_IS_USER, PROP_LOCATION }; enum { PRESENCE_CHANGED, LAST_SIGNAL }; static guint signals[LAST_SIGNAL]; /* TpContact* -> EmpathyContact*, both borrowed ref */ static GHashTable *contacts_table = NULL; 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, "alias"); else if (!tp_strdiff (param->name, "presence-type")) { TpConnectionPresenceType 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, "identifier")) g_object_notify (contact, "id"); else if (!tp_strdiff (param->name, "handle")) g_object_notify (contact, "handle"); else if (!tp_strdiff (param->name, "location")) { GHashTable *location; location = tp_contact_get_location (tp_contact); /* This will start a geoclue search to find the address if needed */ empathy_contact_set_location (EMPATHY_CONTACT (contact), location); } else if (!tp_strdiff (param->name, "capabilities")) { set_capabilities_from_tp_caps (EMPATHY_CONTACT (contact), tp_contact_get_capabilities (tp_contact)); } else if (!tp_strdiff (param->name, "avatar-file")) { contact_set_avatar_from_tp_contact (EMPATHY_CONTACT (contact)); } } static void folks_persona_notify_cb (FolksPersona *folks_persona, GParamSpec *param, GObject *contact) { if (!tp_strdiff (param->name, "presence-message")) g_object_notify (contact, "presence-message"); } static void contact_dispose (GObject *object) { EmpathyContactPriv *priv = GET_PRIV (object); if (priv->tp_contact) { g_hash_table_remove (contacts_table, 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; if (priv->persona) { g_signal_handlers_disconnect_by_func (priv->persona, folks_persona_notify_cb, object); g_object_unref (priv->persona); } priv->persona = NULL; if (priv->avatar != NULL) { empathy_avatar_unref (priv->avatar); priv->avatar = NULL; } if (priv->location != NULL) { g_hash_table_unref (priv->location); priv->location = NULL; } G_OBJECT_CLASS (empathy_contact_parent_class)->dispose (object); } static void contact_constructed (GObject *object) { EmpathyContact *contact = (EmpathyContact *) object; EmpathyContactPriv *priv = GET_PRIV (contact); GHashTable *location; TpHandle self_handle; TpHandle handle; if (priv->tp_contact == NULL) return; priv->presence = empathy_contact_get_presence (contact); location = tp_contact_get_location (priv->tp_contact); if (location != NULL) empathy_contact_set_location (contact, location); set_capabilities_from_tp_caps (contact, tp_contact_get_capabilities (priv->tp_contact)); contact_set_avatar_from_tp_contact (contact); /* Set is-user property. Note that it could still be the handle is * different from the connection's self handle, in the case the handle * comes from a group interface. */ self_handle = tp_connection_get_self_handle ( tp_contact_get_connection (priv->tp_contact)); handle = tp_contact_get_handle (priv->tp_contact); empathy_contact_set_is_user (contact, self_handle == handle); g_signal_connect (priv->tp_contact, "notify", G_CALLBACK (tp_contact_notify_cb), contact); } static void empathy_contact_class_init (EmpathyContactClass *class) { 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; object_class->constructed = contact_constructed; 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_PARAM_STATIC_STRINGS)); g_object_class_install_property (object_class, PROP_ACCOUNT, g_param_spec_object ("account", "The account", "The account associated with the contact", TP_TYPE_ACCOUNT, G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (object_class, PROP_PERSONA, g_param_spec_object ("persona", "Persona", "The FolksPersona associated with the contact", FOLKS_TYPE_PERSONA, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (object_class, PROP_ID, g_param_spec_string ("id", "Contact id", "String identifying contact", NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (object_class, PROP_ALIAS, g_param_spec_string ("alias", "Contact alias", "An alias for the contact", NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (object_class, PROP_AVATAR, g_param_spec_boxed ("avatar", "Avatar image", "The avatar image", EMPATHY_TYPE_AVATAR, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (object_class, PROP_PRESENCE, g_param_spec_uint ("presence", "Contact presence", "Presence of contact", TP_CONNECTION_PRESENCE_TYPE_UNSET, NUM_TP_CONNECTION_PRESENCE_TYPES, TP_CONNECTION_PRESENCE_TYPE_UNSET, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); 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_PARAM_STATIC_STRINGS)); 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_PARAM_STATIC_STRINGS)); 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_PARAM_STATIC_STRINGS)); 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_PARAM_STATIC_STRINGS)); g_object_class_install_property (object_class, PROP_LOCATION, g_param_spec_boxed ("location", "Contact location", "Physical location of the contact", G_TYPE_HASH_TABLE, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); signals[PRESENCE_CHANGED] = g_signal_new ("presence-changed", G_TYPE_FROM_CLASS (class), G_SIGNAL_RUN_LAST, 0, NULL, NULL, _empathy_marshal_VOID__UINT_UINT, G_TYPE_NONE, 2, G_TYPE_UINT, G_TYPE_UINT); 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; priv->location = NULL; priv->groups = NULL; } static void contact_finalize (GObject *object) { EmpathyContactPriv *priv; priv = GET_PRIV (object); DEBUG ("finalize: %p", object); if (priv->groups != NULL) g_hash_table_destroy (priv->groups); g_free (priv->alias); g_free (priv->id); G_OBJECT_CLASS (empathy_contact_parent_class)->finalize (object); } static void empathy_contact_set_capabilities (EmpathyContact *contact, EmpathyCapabilities capabilities) { EmpathyContactPriv *priv; g_return_if_fail (EMPATHY_IS_CONTACT (contact)); priv = GET_PRIV (contact); if (priv->capabilities == capabilities) return; priv->capabilities = capabilities; g_object_notify (G_OBJECT (contact), "capabilities"); } static 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); /* 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_object_notify (G_OBJECT (contact), "id"); if (EMP_STR_EMPTY (priv->alias)) g_object_notify (G_OBJECT (contact), "alias"); } g_object_unref (contact); } static void empathy_contact_set_presence (EmpathyContact *contact, TpConnectionPresenceType presence) { EmpathyContactPriv *priv; TpConnectionPresenceType old_presence; g_return_if_fail (EMPATHY_IS_CONTACT (contact)); priv = GET_PRIV (contact); if (presence == priv->presence) return; old_presence = priv->presence; priv->presence = presence; g_signal_emit (contact, signals[PRESENCE_CHANGED], 0, presence, old_presence); g_object_notify (G_OBJECT (contact), "presence"); } static void empathy_contact_set_presence_message (EmpathyContact *contact, const gchar *message) { EmpathyContactPriv *priv = GET_PRIV (contact); g_return_if_fail (EMPATHY_IS_CONTACT (contact)); if (priv->persona != NULL) { folks_presence_details_set_presence_message ( FOLKS_PRESENCE_DETAILS (priv->persona), message); } } static void empathy_contact_set_handle (EmpathyContact *contact, guint handle) { EmpathyContactPriv *priv; g_return_if_fail (EMPATHY_IS_CONTACT (contact)); priv = GET_PRIV (contact); g_object_ref (contact); if (handle != priv->handle) { priv->handle = handle; g_object_notify (G_OBJECT (contact), "handle"); } g_object_unref (contact); } static void 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_PERSONA: g_value_set_object (value, empathy_contact_get_persona (contact)); break; case PROP_ID: g_value_set_string (value, empathy_contact_get_id (contact)); break; case PROP_ALIAS: g_value_set_string (value, empathy_contact_get_alias (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) { EmpathyContact *contact = EMPATHY_CONTACT (object); EmpathyContactPriv *priv = GET_PRIV (object); switch (param_id) { case PROP_TP_CONTACT: priv->tp_contact = g_value_dup_object (value); break; case PROP_ACCOUNT: g_assert (priv->account == NULL); priv->account = g_value_dup_object (value); break; case PROP_PERSONA: empathy_contact_set_persona (contact, g_value_get_object (value)); break; case PROP_ID: empathy_contact_set_id (contact, g_value_get_string (value)); break; case PROP_ALIAS: empathy_contact_set_alias (contact, g_value_get_string (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; }; } static EmpathyContact * empathy_contact_new (TpContact *tp_contact) { 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_from_tpl_contact (TpAccount *account, TplEntity *tpl_entity) { EmpathyContact *retval; gboolean is_user; g_return_val_if_fail (TPL_IS_ENTITY (tpl_entity), NULL); is_user = (TPL_ENTITY_SELF == tpl_entity_get_entity_type (tpl_entity)); retval = g_object_new (EMPATHY_TYPE_CONTACT, "id", tpl_entity_get_alias (tpl_entity), "alias", tpl_entity_get_identifier (tpl_entity), "account", account, "is-user", is_user, NULL); if (!EMP_STR_EMPTY (tpl_entity_get_avatar_token (tpl_entity))) contact_load_avatar_cache (retval, tpl_entity_get_avatar_token (tpl_entity)); return retval; } TpContact * empathy_contact_get_tp_contact (EmpathyContact *contact) { 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; g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL); priv = GET_PRIV (contact); if (priv->tp_contact != NULL) return tp_contact_get_identifier (priv->tp_contact); return priv->id; } const gchar * empathy_contact_get_alias (EmpathyContact *contact) { EmpathyContactPriv *priv; const gchar *alias; g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL); priv = GET_PRIV (contact); if (priv->tp_contact != NULL) alias = tp_contact_get_alias (priv->tp_contact); else alias = priv->alias; if (!EMP_STR_EMPTY (alias)) return alias; else return empathy_contact_get_id (contact); } void empathy_contact_set_alias (EmpathyContact *contact, const gchar *alias) { EmpathyContactPriv *priv; FolksPersona *persona; g_return_if_fail (EMPATHY_IS_CONTACT (contact)); priv = GET_PRIV (contact); g_object_ref (contact); /* Set the alias on the persona if possible */ persona = empathy_contact_get_persona (contact); if (persona != NULL && FOLKS_IS_ALIAS_DETAILS (persona)) { DEBUG ("Setting alias for contact %s to %s", empathy_contact_get_id (contact), alias); folks_alias_details_set_alias (FOLKS_ALIAS_DETAILS (persona), alias); } if (tp_strdiff (alias, priv->alias)) { g_free (priv->alias); priv->alias = g_strdup (alias); g_object_notify (G_OBJECT (contact), "alias"); } g_object_unref (contact); } static void groups_change_group_cb (GObject *source, GAsyncResult *result, gpointer user_data) { FolksGroupDetails *group_details = FOLKS_GROUP_DETAILS (source); GError *error = NULL; folks_group_details_change_group_finish (group_details, result, &error); if (error != NULL) { g_warning ("failed to change group: %s", error->message); g_clear_error (&error); } } void empathy_contact_change_group (EmpathyContact *contact, const gchar *group, gboolean is_member) { EmpathyContactPriv *priv; FolksPersona *persona; g_return_if_fail (EMPATHY_IS_CONTACT (contact)); g_return_if_fail (group != NULL); priv = GET_PRIV (contact); /* Normally pass through the changes to the persona */ persona = empathy_contact_get_persona (contact); if (persona != NULL) { if (FOLKS_IS_GROUP_DETAILS (persona)) folks_group_details_change_group (FOLKS_GROUP_DETAILS (persona), group, is_member, groups_change_group_cb, contact); return; } /* If the persona doesn't exist yet, we have to cache the changes until it * does */ if (priv->groups == NULL) { priv->groups = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL); } g_hash_table_insert (priv->groups, g_strdup (group), GUINT_TO_POINTER (is_member)); } 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; } static void 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"); } TpAccount * empathy_contact_get_account (EmpathyContact *contact) { EmpathyContactPriv *priv; g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL); priv = GET_PRIV (contact); if (priv->account == NULL && priv->tp_contact != NULL) { TpConnection *connection; /* FIXME: This assume the account manager already exists */ connection = tp_contact_get_connection (priv->tp_contact); priv->account = g_object_ref (empathy_get_account_for_connection (connection)); } return priv->account; } FolksPersona * empathy_contact_get_persona (EmpathyContact *contact) { EmpathyContactPriv *priv; g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL); priv = GET_PRIV (contact); if (priv->persona == NULL && priv->tp_contact != NULL) { /* FIXME: This is disgustingly slow */ /* Query for the persona */ EmpathyIndividualManager *manager; GList *individuals, *l; manager = empathy_individual_manager_dup_singleton (); individuals = empathy_individual_manager_get_members (manager); for (l = individuals; l != NULL; l = l->next) { GList *personas, *j; FolksIndividual *individual = FOLKS_INDIVIDUAL (l->data); personas = folks_individual_get_personas (individual); for (j = personas; j != NULL; j = j->next) { TpfPersona *persona = j->data; if (empathy_folks_persona_is_interesting (FOLKS_PERSONA (persona))) { TpContact *tp_contact = tpf_persona_get_contact (persona); if (tp_contact == priv->tp_contact) { /* Found the right persona */ empathy_contact_set_persona (contact, (FolksPersona *) persona); goto finished; } } } } finished: g_list_free (individuals); g_object_unref (manager); } return priv->persona; } void empathy_contact_set_persona (EmpathyContact *contact, FolksPersona *persona) { EmpathyContactPriv *priv; g_return_if_fail (EMPATHY_IS_CONTACT (contact)); g_return_if_fail (TPF_IS_PERSONA (persona)); priv = GET_PRIV (contact); if (persona == priv->persona) return; if (priv->persona != NULL) { g_signal_handlers_disconnect_by_func (priv->persona, folks_persona_notify_cb, contact); g_object_unref (priv->persona); } priv->persona = g_object_ref (persona); g_signal_connect (priv->persona, "notify", G_CALLBACK (folks_persona_notify_cb), contact); g_object_notify (G_OBJECT (contact), "persona"); /* Set the persona's alias, since ours could've been set using * empathy_contact_set_alias() before we had a persona; this happens when * adding a contact. */ if (priv->alias != NULL) empathy_contact_set_alias (contact, priv->alias); /* Set the persona's groups */ if (priv->groups != NULL) { folks_group_details_set_groups (FOLKS_GROUP_DETAILS (persona), priv->groups); g_hash_table_destroy (priv->groups); priv->groups = NULL; } } TpConnection * empathy_contact_get_connection (EmpathyContact *contact) { EmpathyContactPriv *priv; g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL); priv = GET_PRIV (contact); if (priv->tp_contact != NULL) return tp_contact_get_connection (priv->tp_contact); return NULL; } TpConnectionPresenceType empathy_contact_get_presence (EmpathyContact *contact) { EmpathyContactPriv *priv; g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), TP_CONNECTION_PRESENCE_TYPE_UNSET); priv = GET_PRIV (contact); if (priv->tp_contact != NULL) return tp_contact_get_presence_type (priv->tp_contact); return priv->presence; } const gchar * empathy_contact_get_presence_message (EmpathyContact *contact) { EmpathyContactPriv *priv; g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL); priv = GET_PRIV (contact); if (priv->persona != NULL) { return folks_presence_details_get_presence_message ( FOLKS_PRESENCE_DETAILS (priv->persona)); } if (priv->tp_contact != NULL) return tp_contact_get_presence_message (priv->tp_contact); return NULL; } guint empathy_contact_get_handle (EmpathyContact *contact) { EmpathyContactPriv *priv; g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), 0); priv = GET_PRIV (contact); if (priv->tp_contact != NULL) return tp_contact_get_handle (priv->tp_contact); return priv->handle; } EmpathyCapabilities empathy_contact_get_capabilities (EmpathyContact *contact) { EmpathyContactPriv *priv; g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), 0); priv = GET_PRIV (contact); return priv->capabilities; } 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_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"); } gboolean empathy_contact_is_online (EmpathyContact *contact) { g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), FALSE); switch (empathy_contact_get_presence (contact)) { case TP_CONNECTION_PRESENCE_TYPE_OFFLINE: case TP_CONNECTION_PRESENCE_TYPE_UNKNOWN: case TP_CONNECTION_PRESENCE_TYPE_ERROR: return FALSE; /* Contacts without presence are considered online so we can display IRC * contacts in rooms. */ case TP_CONNECTION_PRESENCE_TYPE_UNSET: case TP_CONNECTION_PRESENCE_TYPE_AVAILABLE: case TP_CONNECTION_PRESENCE_TYPE_AWAY: case TP_CONNECTION_PRESENCE_TYPE_EXTENDED_AWAY: case TP_CONNECTION_PRESENCE_TYPE_HIDDEN: case TP_CONNECTION_PRESENCE_TYPE_BUSY: default: return TRUE; } } const gchar * empathy_contact_get_status (EmpathyContact *contact) { const gchar *message; g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), ""); message = empathy_contact_get_presence_message (contact); if (!EMP_STR_EMPTY (message)) return message; return empathy_presence_get_default_message ( empathy_contact_get_presence (contact)); } gboolean empathy_contact_can_sms (EmpathyContact *contact) { EmpathyContactPriv *priv; g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), FALSE); priv = GET_PRIV (contact); return priv->capabilities & EMPATHY_CAPABILITIES_SMS; } gboolean empathy_contact_can_voip (EmpathyContact *contact) { EmpathyContactPriv *priv; g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), FALSE); priv = GET_PRIV (contact); return priv->capabilities & (EMPATHY_CAPABILITIES_AUDIO | EMPATHY_CAPABILITIES_VIDEO); } gboolean empathy_contact_can_voip_audio (EmpathyContact *contact) { EmpathyContactPriv *priv; g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), FALSE); priv = GET_PRIV (contact); return priv->capabilities & EMPATHY_CAPABILITIES_AUDIO; } gboolean empathy_contact_can_voip_video (EmpathyContact *contact) { EmpathyContactPriv *priv; g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), FALSE); priv = GET_PRIV (contact); return priv->capabilities & EMPATHY_CAPABILITIES_VIDEO; } gboolean empathy_contact_can_send_files (EmpathyContact *contact) { EmpathyContactPriv *priv; g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), FALSE); priv = GET_PRIV (contact); return priv->capabilities & EMPATHY_CAPABILITIES_FT; } gboolean empathy_contact_can_use_rfb_stream_tube (EmpathyContact *contact) { EmpathyContactPriv *priv; g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), FALSE); priv = GET_PRIV (contact); return priv->capabilities & EMPATHY_CAPABILITIES_RFB_STREAM_TUBE; } static gboolean contact_has_log (EmpathyContact *contact) { TplLogManager *manager; TplEntity *entity; gboolean have_log; manager = tpl_log_manager_dup_singleton (); entity = tpl_entity_new (empathy_contact_get_id (contact), TPL_ENTITY_CONTACT, NULL, NULL); have_log = tpl_log_manager_exists (manager, empathy_contact_get_account (contact), entity, TPL_EVENT_MASK_TEXT); g_object_unref (entity); g_object_unref (manager); return have_log; } gboolean empathy_contact_can_do_action (EmpathyContact *self, EmpathyActionType action_type) { gboolean sensitivity = FALSE; switch (action_type) { case EMPATHY_ACTION_CHAT: sensitivity = TRUE; break; case EMPATHY_ACTION_SMS: sensitivity = empathy_contact_can_sms (self); break; case EMPATHY_ACTION_AUDIO_CALL: sensitivity = empathy_contact_can_voip_audio (self); break; case EMPATHY_ACTION_VIDEO_CALL: sensitivity = empathy_contact_can_voip_video (self); break; case EMPATHY_ACTION_VIEW_LOGS: sensitivity = contact_has_log (self); break; case EMPATHY_ACTION_SEND_FILE: sensitivity = empathy_contact_can_send_files (self); break; case EMPATHY_ACTION_SHARE_MY_DESKTOP: sensitivity = empathy_contact_can_use_rfb_stream_tube (self); break; default: g_assert_not_reached (); } return (sensitivity ? TRUE : FALSE); } static gchar * contact_get_avatar_filename (EmpathyContact *contact, const gchar *token) { TpAccount *account; gchar *avatar_path; gchar *avatar_file; gchar *token_escaped; if (EMP_STR_EMPTY (empathy_contact_get_id (contact))) return NULL; token_escaped = tp_escape_as_identifier (token); account = empathy_contact_get_account (contact); avatar_path = g_build_filename (g_get_user_cache_dir (), "telepathy", "avatars", tp_account_get_connection_manager (account), tp_account_get_protocol (account), NULL); g_mkdir_with_parents (avatar_path, 0700); avatar_file = g_build_filename (avatar_path, token_escaped, NULL); g_free (token_escaped); g_free (avatar_path); return avatar_file; } static gboolean contact_load_avatar_cache (EmpathyContact *contact, const gchar *token) { 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 ((guchar *) data, len, NULL, filename); contact_set_avatar (contact, avatar); empathy_avatar_unref (avatar); } else { 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); } return type_id; } /** * empathy_avatar_new: * @data: the avatar data * @len: the size of avatar data * @format: the mime type of the avatar image * @filename: the filename where the avatar is stored in cache * * Create a #EmpathyAvatar from the provided data. This function takes the * ownership of @data, @format and @filename. * * Returns: a new #EmpathyAvatar */ EmpathyAvatar * empathy_avatar_new (guchar *data, gsize len, gchar *format, gchar *filename) { EmpathyAvatar *avatar; avatar = g_slice_new0 (EmpathyAvatar); avatar->data = data; avatar->len = len; avatar->format = format; avatar->filename = filename; avatar->refcount = 1; return avatar; } void empathy_avatar_unref (EmpathyAvatar *avatar) { g_return_if_fail (avatar != NULL); avatar->refcount--; if (avatar->refcount == 0) { g_free (avatar->data); g_free (avatar->format); g_free (avatar->filename); g_slice_free (EmpathyAvatar, avatar); } } EmpathyAvatar * empathy_avatar_ref (EmpathyAvatar *avatar) { g_return_val_if_fail (avatar != NULL, NULL); avatar->refcount++; return avatar; } /** * 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, (const gchar *) self->data, self->len, error); } /** * empathy_contact_get_location: * @contact: an #EmpathyContact * * Returns the user's location if available. The keys are defined in * empathy-location.h. If the contact doesn't have location * information, the GHashTable will be empthy. Use #g_hash_table_unref when * you are done with the #GHashTable. * * It is composed of string keys and GValues. Keys are * defined in empathy-location.h such as #EMPATHY_LOCATION_COUNTRY. * Example: a "city" key would have "Helsinki" as string GValue, * a "latitude" would have 65.0 as double GValue. * * Returns: a #GHashTable of location values */ GHashTable * empathy_contact_get_location (EmpathyContact *contact) { EmpathyContactPriv *priv; g_return_val_if_fail (EMPATHY_CONTACT (contact), NULL); priv = GET_PRIV (contact); return priv->location; } /** * empathy_contact_set_location: * @contact: an #EmpathyContact * @location: a #GHashTable of the location * * Sets the user's location based on the location #GHashTable passed. * It is composed of string keys and GValues. Keys are * defined in empathy-location.h such as #EMPATHY_LOCATION_COUNTRY. * Example: a "city" key would have "Helsinki" as string GValue, * a "latitude" would have 65.0 as double GValue. */ static void empathy_contact_set_location (EmpathyContact *contact, GHashTable *location) { EmpathyContactPriv *priv; g_return_if_fail (EMPATHY_CONTACT (contact)); g_return_if_fail (location != NULL); priv = GET_PRIV (contact); if (priv->location != NULL) g_hash_table_unref (priv->location); priv->location = g_hash_table_ref (location); #ifdef HAVE_GEOCLUE update_geocode (contact); #endif g_object_notify (G_OBJECT (contact), "location"); } /** * empathy_contact_equal: * @contact1: an #EmpathyContact * @contact2: an #EmpathyContact * * Returns FALSE if one of the contacts is NULL but the other is not. * Otherwise returns TRUE if both pointer are equal or if they bith * refer to the same id. * It's only necessary to call this function if your contact objects * come from logs where contacts are created dynamically and comparing * pointers is not enough. */ gboolean empathy_contact_equal (gconstpointer contact1, gconstpointer contact2) { EmpathyContact *c1; EmpathyContact *c2; const gchar *id1; const gchar *id2; if ((contact1 == NULL) != (contact2 == NULL)) { return FALSE; } if (contact1 == contact2) { return TRUE; } c1 = EMPATHY_CONTACT (contact1); c2 = EMPATHY_CONTACT (contact2); id1 = empathy_contact_get_id (c1); id2 = empathy_contact_get_id (c2); if (!tp_strdiff (id1, id2)) { return TRUE; } return FALSE; } #ifdef HAVE_GEOCLUE #define GEOCODE_SERVICE "org.freedesktop.Geoclue.Providers.Yahoo" #define GEOCODE_PATH "/org/freedesktop/Geoclue/Providers/Yahoo" /* This callback is called by geoclue when it found a position * for the given address. A position is necessary for a contact * to show up on the map */ static void geocode_cb (GeoclueGeocode *geocode, GeocluePositionFields fields, double latitude, double longitude, double altitude, GeoclueAccuracy *accuracy, GError *error, gpointer contact) { EmpathyContactPriv *priv = GET_PRIV (contact); GHashTable *new_location; if (priv->location == NULL) goto out; if (error != NULL) { DEBUG ("Error geocoding location : %s", error->message); goto out; } /* No need to change location if we didn't find the position */ if (!(fields & GEOCLUE_POSITION_FIELDS_LATITUDE)) goto out; if (!(fields & GEOCLUE_POSITION_FIELDS_LONGITUDE)) goto out; new_location = tp_asv_new ( EMPATHY_LOCATION_LAT, G_TYPE_DOUBLE, latitude, EMPATHY_LOCATION_LON, G_TYPE_DOUBLE, longitude, NULL); DEBUG ("\t - Latitude: %f", latitude); DEBUG ("\t - Longitude: %f", longitude); /* Copy remaning fields. LAT and LON were not defined so we won't overwrite * the values we just set. */ tp_g_hash_table_update (new_location, priv->location, (GBoxedCopyFunc) g_strdup, (GBoxedCopyFunc) tp_g_value_slice_dup); /* Set the altitude only if it wasn't defined before */ if (fields & GEOCLUE_POSITION_FIELDS_ALTITUDE && g_hash_table_lookup (new_location, EMPATHY_LOCATION_ALT) == NULL) { tp_asv_set_double (new_location, g_strdup (EMPATHY_LOCATION_ALT), altitude); DEBUG ("\t - Altitude: %f", altitude); } /* Don't change the accuracy as we used an address to get this position */ g_hash_table_unref (priv->location); priv->location = new_location; g_object_notify (contact, "location"); out: g_object_unref (geocode); g_object_unref (contact); } static gchar * get_dup_string (GHashTable *location, gchar *key) { GValue *value; value = g_hash_table_lookup (location, key); if (value != NULL) return g_value_dup_string (value); return NULL; } static void update_geocode (EmpathyContact *contact) { static GeoclueGeocode *geocode; gchar *str; GHashTable *address; GHashTable *location; location = empathy_contact_get_location (contact); if (location == NULL) return; /* No need to search for position if contact published it */ if (g_hash_table_lookup (location, EMPATHY_LOCATION_LAT) != NULL || g_hash_table_lookup (location, EMPATHY_LOCATION_LON) != NULL) return; if (geocode == NULL) { geocode = geoclue_geocode_new (GEOCODE_SERVICE, GEOCODE_PATH); g_object_add_weak_pointer (G_OBJECT (geocode), (gpointer *) &geocode); } else { g_object_ref (geocode); } address = geoclue_address_details_new (); str = get_dup_string (location, EMPATHY_LOCATION_COUNTRY_CODE); if (str != NULL) { g_hash_table_insert (address, g_strdup (GEOCLUE_ADDRESS_KEY_COUNTRYCODE), str); DEBUG ("\t - countrycode: %s", str); } str = get_dup_string (location, EMPATHY_LOCATION_COUNTRY); if (str != NULL) { g_hash_table_insert (address, g_strdup (GEOCLUE_ADDRESS_KEY_COUNTRY), str); DEBUG ("\t - country: %s", str); } str = get_dup_string (location, EMPATHY_LOCATION_POSTAL_CODE); if (str != NULL) { g_hash_table_insert (address, g_strdup (GEOCLUE_ADDRESS_KEY_POSTALCODE), str); DEBUG ("\t - postalcode: %s", str); } str = get_dup_string (location, EMPATHY_LOCATION_REGION); if (str != NULL) { g_hash_table_insert (address, g_strdup (GEOCLUE_ADDRESS_KEY_REGION), str); DEBUG ("\t - region: %s", str); } str = get_dup_string (location, EMPATHY_LOCATION_LOCALITY); if (str != NULL) { g_hash_table_insert (address, g_strdup (GEOCLUE_ADDRESS_KEY_LOCALITY), str); DEBUG ("\t - locality: %s", str); } str = get_dup_string (location, EMPATHY_LOCATION_STREET); if (str != NULL) { g_hash_table_insert (address, g_strdup (GEOCLUE_ADDRESS_KEY_STREET), str); DEBUG ("\t - street: %s", str); } if (g_hash_table_size (address) > 0) { g_object_ref (contact); geoclue_geocode_address_to_position_async (geocode, address, geocode_cb, contact); } g_hash_table_unref (address); } #endif static EmpathyCapabilities tp_caps_to_capabilities (TpCapabilities *caps) { EmpathyCapabilities capabilities = 0; guint i; GPtrArray *classes; classes = tp_capabilities_get_channel_classes (caps); for (i = 0; i < classes->len; i++) { GValueArray *class_struct; GHashTable *fixed_prop; GStrv allowed_prop; TpHandleType handle_type; const gchar *chan_type; class_struct = g_ptr_array_index (classes, i); tp_value_array_unpack (class_struct, 2, &fixed_prop, &allowed_prop); handle_type = tp_asv_get_uint32 (fixed_prop, TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, NULL); if (handle_type != TP_HANDLE_TYPE_CONTACT) continue; chan_type = tp_asv_get_string (fixed_prop, TP_PROP_CHANNEL_CHANNEL_TYPE); if (!tp_strdiff (chan_type, TP_IFACE_CHANNEL_TYPE_FILE_TRANSFER)) { capabilities |= EMPATHY_CAPABILITIES_FT; } else if (!tp_strdiff (chan_type, TP_IFACE_CHANNEL_TYPE_STREAM_TUBE)) { const gchar *service; service = tp_asv_get_string (fixed_prop, TP_PROP_CHANNEL_TYPE_STREAM_TUBE_SERVICE); if (!tp_strdiff (service, "rfb")) capabilities |= EMPATHY_CAPABILITIES_RFB_STREAM_TUBE; } else if (!tp_strdiff (chan_type, TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA)) { guint j; for (j = 0; allowed_prop[j] != NULL; j++) { if (!tp_strdiff (allowed_prop[j], TP_PROP_CHANNEL_TYPE_STREAMED_MEDIA_INITIAL_AUDIO)) capabilities |= EMPATHY_CAPABILITIES_AUDIO; else if (!tp_strdiff (allowed_prop[j], TP_PROP_CHANNEL_TYPE_STREAMED_MEDIA_INITIAL_VIDEO)) capabilities |= EMPATHY_CAPABILITIES_VIDEO; } if (tp_asv_get_boolean (fixed_prop, TP_PROP_CHANNEL_TYPE_STREAMED_MEDIA_INITIAL_AUDIO, NULL)) capabilities |= EMPATHY_CAPABILITIES_AUDIO; if (tp_asv_get_boolean (fixed_prop, TP_PROP_CHANNEL_TYPE_STREAMED_MEDIA_INITIAL_VIDEO, NULL)) capabilities |= EMPATHY_CAPABILITIES_VIDEO; } else if (!tp_strdiff (chan_type, TPY_IFACE_CHANNEL_TYPE_CALL)) { guint j; for (j = 0; allowed_prop[j] != NULL; j++) { if (!tp_strdiff (allowed_prop[j], TPY_PROP_CHANNEL_TYPE_CALL_INITIAL_AUDIO)) capabilities |= EMPATHY_CAPABILITIES_AUDIO; else if (!tp_strdiff (allowed_prop[j], TPY_PROP_CHANNEL_TYPE_CALL_INITIAL_VIDEO)) capabilities |= EMPATHY_CAPABILITIES_VIDEO; } if (tp_asv_get_boolean (fixed_prop, TPY_PROP_CHANNEL_TYPE_CALL_INITIAL_AUDIO, NULL)) capabilities |= EMPATHY_CAPABILITIES_AUDIO; if (tp_asv_get_boolean (fixed_prop, TPY_PROP_CHANNEL_TYPE_CALL_INITIAL_VIDEO, NULL)) capabilities |= EMPATHY_CAPABILITIES_VIDEO; } else if (!tp_strdiff (chan_type, TP_IFACE_CHANNEL_TYPE_TEXT)) { if (tp_asv_get_boolean (fixed_prop, TP_PROP_CHANNEL_INTERFACE_SMS_SMS_CHANNEL, NULL)) capabilities |= EMPATHY_CAPABILITIES_SMS; } } return capabilities; } static void set_capabilities_from_tp_caps (EmpathyContact *self, TpCapabilities *caps) { EmpathyCapabilities capabilities; if (caps == NULL) return; capabilities = tp_caps_to_capabilities (caps); empathy_contact_set_capabilities (self, capabilities); } static void contact_set_avatar_from_tp_contact (EmpathyContact *contact) { EmpathyContactPriv *priv = GET_PRIV (contact); const gchar *mime; GFile *file; mime = tp_contact_get_avatar_mime_type (priv->tp_contact); file = tp_contact_get_avatar_file (priv->tp_contact); if (file != NULL) { EmpathyAvatar *avatar; gchar *data; gsize len; g_file_load_contents (file, NULL, &data, &len, NULL, NULL); avatar = empathy_avatar_new ((guchar *) data, len, g_strdup (mime), g_file_get_path (file)); contact_set_avatar (contact, avatar); empathy_avatar_unref (avatar); } else { contact_set_avatar (contact, NULL); } } EmpathyContact * empathy_contact_dup_from_tp_contact (TpContact *tp_contact) { EmpathyContact *contact = NULL; g_return_val_if_fail (TP_IS_CONTACT (tp_contact), NULL); if (contacts_table == NULL) contacts_table = g_hash_table_new (g_direct_hash, g_direct_equal); else contact = g_hash_table_lookup (contacts_table, tp_contact); if (contact == NULL) { contact = empathy_contact_new (tp_contact); /* The hash table does not keep any ref. * contact keeps a ref to tp_contact, and is removed from the table in * contact_dispose() */ g_hash_table_insert (contacts_table, tp_contact, contact); } else { g_object_ref (contact); } return contact; } static int presence_cmp_func (EmpathyContact *a, EmpathyContact *b) { FolksPresenceDetails *presence_a, *presence_b; presence_a = FOLKS_PRESENCE_DETAILS (empathy_contact_get_persona (a)); presence_b = FOLKS_PRESENCE_DETAILS (empathy_contact_get_persona (b)); /* We negate the result because we're sorting in reverse order (i.e. such that * the Personas with the highest presence are at the beginning of the list. */ return -folks_presence_details_typecmp ( folks_presence_details_get_presence_type (presence_a), folks_presence_details_get_presence_type (presence_b)); } static gint voip_cmp_func (EmpathyContact *a, EmpathyContact *b) { gboolean has_audio_a, has_audio_b; gboolean has_video_a, has_video_b; has_audio_a = empathy_contact_can_voip_audio (a); has_audio_b = empathy_contact_can_voip_audio (b); has_video_a = empathy_contact_can_voip_video (a); has_video_b = empathy_contact_can_voip_video (b); /* First check video */ if (has_video_a == has_video_b) { /* Use audio to to break tie */ if (has_audio_a == has_audio_b) return 0; else if (has_audio_a) return -1; else return 1; } else if (has_video_a) return -1; else return 1; } static gint ft_cmp_func (EmpathyContact *a, EmpathyContact *b) { gboolean can_send_files_a, can_send_files_b; can_send_files_a = empathy_contact_can_send_files (a); can_send_files_b = empathy_contact_can_send_files (b); if (can_send_files_a == can_send_files_b) return 0; else if (can_send_files_a) return -1; else return 1; } static gint rfb_stream_tube_cmp_func (EmpathyContact *a, EmpathyContact *b) { gboolean rfb_a, rfb_b; rfb_a = empathy_contact_can_use_rfb_stream_tube (a); rfb_b = empathy_contact_can_use_rfb_stream_tube (b); if (rfb_a == rfb_b) return 0; else if (rfb_a) return -1; else return 1; } /* Sort by presence as with presence_cmp_func(), but if the two contacts have * the same presence, prefer the one which can do both audio *and* video calls, * over the one which can only do one of the two. */ static int voip_sort_func (EmpathyContact *a, EmpathyContact *b) { gint presence_sort = presence_cmp_func (a, b); if (presence_sort != 0) return presence_sort; return voip_cmp_func (a, b); } /* Sort by presence as with presence_cmp_func() and then break ties using the * most "capable" individual. So users will be able to pick more actions on * the contact in the "Contact" menu of the chat window. */ static gint chat_sort_func (EmpathyContact *a, EmpathyContact *b) { gint result; result = presence_cmp_func (a, b); if (result != 0) return result; /* Prefer individual supporting file transfer */ result = ft_cmp_func (a, b); if (result != 0) return result; /* Check audio/video capabilities */ result = voip_cmp_func (a, b); if (result != 0) return result; /* Check 'Share my destop' feature */ return rfb_stream_tube_cmp_func (a, b); } static GCompareFunc get_sort_func_for_action (EmpathyActionType action_type) { switch (action_type) { case EMPATHY_ACTION_AUDIO_CALL: case EMPATHY_ACTION_VIDEO_CALL: return (GCompareFunc) voip_sort_func; case EMPATHY_ACTION_CHAT: return (GCompareFunc) chat_sort_func; case EMPATHY_ACTION_VIEW_LOGS: case EMPATHY_ACTION_SEND_FILE: case EMPATHY_ACTION_SHARE_MY_DESKTOP: default: return (GCompareFunc) presence_cmp_func; } } /** * empathy_contact_dup_best_for_action: * @individual: a #FolksIndividual * @action_type: the type of action to be performed on the contact * * Chooses a #FolksPersona from the given @individual which is best-suited for * the given @action_type. "Best-suited" is determined by choosing the persona * with the highest presence out of all the personas which can perform the given * @action_type (e.g. are capable of video calling). * * Return value: an #EmpathyContact for the best persona, or %NULL; * unref with g_object_unref() */ EmpathyContact * empathy_contact_dup_best_for_action (FolksIndividual *individual, EmpathyActionType action_type) { GList *personas, *contacts, *l; EmpathyContact *best_contact = NULL; /* Build a list of EmpathyContacts that we can sort */ personas = folks_individual_get_personas (individual); contacts = NULL; for (l = personas; l != NULL; l = l->next) { TpContact *tp_contact; EmpathyContact *contact; if (!empathy_folks_persona_is_interesting (FOLKS_PERSONA (l->data))) continue; tp_contact = tpf_persona_get_contact (TPF_PERSONA (l->data)); contact = empathy_contact_dup_from_tp_contact (tp_contact); empathy_contact_set_persona (contact, FOLKS_PERSONA (l->data)); /* Only choose the contact if they're actually capable of the specified * action. */ if (!empathy_contact_can_do_action (contact, action_type)) { g_object_unref (contact); continue; } contacts = g_list_prepend (contacts, contact); } /* Sort the contacts by some heuristic based on the action type, then take * the top contact. */ if (contacts != NULL) { contacts = g_list_sort (contacts, get_sort_func_for_action (action_type)); best_contact = g_object_ref (contacts->data); } g_list_foreach (contacts, (GFunc) g_object_unref, NULL); g_list_free (contacts); return best_contact; }