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mirror of https://github.com/profanity-im/profanity.git synced 2024-10-06 20:03:46 -04:00
profanity/src/contact.c
Dmitry Podgorny 0346fda0b3 most FREE_SET_NULL replaced with free
FREE_SET_NULL makes extra assignment of NULL for pointers in stack or
dynamic memory that is going to be freed.
FREE_SET_NULL is useful for pointers that can be used in future.
2013-08-03 14:27:07 +03:00

348 lines
8.3 KiB
C

/*
* contact.c
*
* Copyright (C) 2012, 2013 James Booth <boothj5@gmail.com>
*
* This file is part of Profanity.
*
* Profanity 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 3 of the License, or
* (at your option) any later version.
*
* Profanity is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Profanity. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <glib.h>
#include "contact.h"
#include "common.h"
#include "resource.h"
struct p_contact_t {
char *barejid;
char *name;
GSList *groups;
char *subscription;
char *offline_message;
gboolean pending_out;
GDateTime *last_activity;
GHashTable *available_resources;
};
PContact
p_contact_new(const char * const barejid, const char * const name,
GSList *groups, const char * const subscription,
const char * const offline_message, gboolean pending_out)
{
PContact contact = malloc(sizeof(struct p_contact_t));
contact->barejid = strdup(barejid);
if (name != NULL) {
contact->name = strdup(name);
} else {
contact->name = NULL;
}
contact->groups = groups;
if (subscription != NULL)
contact->subscription = strdup(subscription);
else
contact->subscription = strdup("none");
if (offline_message != NULL)
contact->offline_message = strdup(offline_message);
else
contact->offline_message = NULL;
contact->pending_out = pending_out;
contact->last_activity = NULL;
contact->available_resources = g_hash_table_new_full(g_str_hash, g_str_equal, free,
(GDestroyNotify)resource_destroy);
return contact;
}
void
p_contact_set_name(const PContact contact, const char * const name)
{
FREE_SET_NULL(contact->name);
if (name != NULL) {
contact->name = strdup(name);
}
}
void
p_contact_set_groups(const PContact contact, GSList *groups)
{
if (contact->groups != NULL) {
g_slist_free_full(contact->groups, g_free);
contact->groups = NULL;
}
contact->groups = groups;
}
gboolean
p_contact_in_group(const PContact contact, const char * const group)
{
GSList *groups = contact->groups;
while (groups != NULL) {
if (strcmp(groups->data, group) == 0) {
return TRUE;
}
groups = g_slist_next(groups);
}
return FALSE;
}
GSList *
p_contact_groups(const PContact contact)
{
return contact->groups;
}
gboolean
p_contact_remove_resource(PContact contact, const char * const resource)
{
return g_hash_table_remove(contact->available_resources, resource);
}
void
p_contact_free(PContact contact)
{
if (contact != NULL) {
free(contact->barejid);
free(contact->name);
free(contact->subscription);
free(contact->offline_message);
if (contact->groups != NULL) {
g_slist_free_full(contact->groups, g_free);
}
if (contact->last_activity != NULL) {
g_date_time_unref(contact->last_activity);
}
g_hash_table_destroy(contact->available_resources);
free(contact);
}
}
const char *
p_contact_barejid(const PContact contact)
{
return contact->barejid;
}
const char *
p_contact_name(const PContact contact)
{
return contact->name;
}
static Resource *
_highest_presence(Resource *first, Resource *second)
{
if (first->presence == RESOURCE_CHAT) {
return first;
} else if (second->presence == RESOURCE_CHAT) {
return second;
} else if (first->presence == RESOURCE_ONLINE) {
return first;
} else if (second->presence == RESOURCE_ONLINE) {
return second;
} else if (first->presence == RESOURCE_AWAY) {
return first;
} else if (second->presence == RESOURCE_AWAY) {
return second;
} else if (first->presence == RESOURCE_XA) {
return first;
} else if (second->presence == RESOURCE_XA) {
return second;
} else {
return first;
}
}
Resource *
_get_most_available_resource(PContact contact)
{
// find resource with highest priority, if more than one,
// use highest availability, in the following order:
// chat
// online
// away
// xa
// dnd
GList *resources = g_hash_table_get_values(contact->available_resources);
Resource *current = resources->data;
Resource *highest = current;
resources = g_list_next(resources);
while (resources != NULL) {
current = resources->data;
// priority is same as current highest, choose presence
if (current->priority == highest->priority) {
highest = _highest_presence(highest, current);
// priority higher than current highest, set new presence
} else if (current->priority > highest->priority) {
highest = current;
}
resources = g_list_next(resources);
}
return highest;
}
const char *
p_contact_presence(const PContact contact)
{
assert(contact != NULL);
// no available resources, offline
if (g_hash_table_size(contact->available_resources) == 0) {
return "offline";
}
Resource *resource = _get_most_available_resource(contact);
return string_from_resource_presence(resource->presence);
}
const char *
p_contact_status(const PContact contact)
{
assert(contact != NULL);
// no available resources, use offline message
if (g_hash_table_size(contact->available_resources) == 0) {
return contact->offline_message;
}
Resource *resource = _get_most_available_resource(contact);
return resource->status;
}
const char *
p_contact_subscription(const PContact contact)
{
return contact->subscription;
}
gboolean
p_contact_subscribed(const PContact contact)
{
if (contact->subscription == NULL) {
return FALSE;
} else if (strcmp(contact->subscription, "to") == 0) {
return TRUE;
} else if (strcmp(contact->subscription, "both") == 0) {
return TRUE;
} else {
return FALSE;
}
}
Resource *
p_contact_get_resource(const PContact contact, const char * const resource)
{
return g_hash_table_lookup(contact->available_resources, resource);
}
gboolean
p_contact_pending_out(const PContact contact)
{
return contact->pending_out;
}
GDateTime *
p_contact_last_activity(const PContact contact)
{
return contact->last_activity;
}
GList *
p_contact_get_available_resources(const PContact contact)
{
assert(contact != NULL);
return g_hash_table_get_values(contact->available_resources);
}
gboolean
p_contact_is_available(const PContact contact)
{
// no available resources, unavailable
if (g_hash_table_size(contact->available_resources) == 0) {
return FALSE;
}
// if most available resource is CHAT or ONLINE, available
Resource *most_available = _get_most_available_resource(contact);
if ((most_available->presence == RESOURCE_ONLINE) ||
(most_available->presence == RESOURCE_CHAT)) {
return TRUE;
} else {
return FALSE;
}
}
gboolean
p_contact_has_available_resource(const PContact contact)
{
return (g_hash_table_size(contact->available_resources) > 0);
}
void
p_contact_set_presence(const PContact contact, Resource *resource)
{
g_hash_table_replace(contact->available_resources, strdup(resource->name), resource);
}
void
p_contact_set_subscription(const PContact contact, const char * const subscription)
{
FREE_SET_NULL(contact->subscription);
if (subscription != NULL) {
contact->subscription = strdup(subscription);
}
}
void
p_contact_set_pending_out(const PContact contact, gboolean pending_out)
{
contact->pending_out = pending_out;
}
void
p_contact_set_last_activity(const PContact contact, GDateTime *last_activity)
{
if (contact->last_activity != NULL) {
g_date_time_unref(contact->last_activity);
contact->last_activity = NULL;
}
if (last_activity != NULL) {
contact->last_activity = g_date_time_ref(last_activity);
}
}