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profanity/src/chat_session.c

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/*
* chat_session.c
*
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* Copyright (C) 2012 - 2014 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/>.
*
* In addition, as a special exception, the copyright holders give permission to
* link the code of portions of this program with the OpenSSL library under
* certain conditions as described in each individual source file, and
* distribute linked combinations including the two.
*
* You must obey the GNU General Public License in all respects for all of the
* code used other than OpenSSL. If you modify file(s) with this exception, you
* may extend this exception to your version of the file(s), but you are not
* obligated to do so. If you do not wish to do so, delete this exception
* statement from your version. If you delete this exception statement from all
* source files in the program, then also delete it here.
*
*/
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <glib.h>
#include "chat_session.h"
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#include "config/preferences.h"
#include "log.h"
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#include "xmpp/xmpp.h"
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#define PAUSED_TIMOUT 10.0
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#define INACTIVE_TIMOUT 30.0
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typedef enum {
CHAT_STATE_STARTED,
CHAT_STATE_ACTIVE,
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CHAT_STATE_PAUSED,
CHAT_STATE_COMPOSING,
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CHAT_STATE_INACTIVE,
CHAT_STATE_GONE
} chat_state_t;
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typedef struct chat_session_t {
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char *barejid;
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char *resource;
gboolean send_states;
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chat_state_t state;
GTimer *active_timer;
gboolean sent;
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} ChatSession;
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static GHashTable *sessions;
static ChatSession*
_chat_session_new(const char * const barejid, const char * const resource, gboolean send_states)
{
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ChatSession *new_session = malloc(sizeof(struct chat_session_t));
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new_session->barejid = strdup(barejid);
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new_session->resource = strdup(resource);
new_session->send_states = send_states;
new_session->state = CHAT_STATE_STARTED;
new_session->active_timer = g_timer_new();
new_session->sent = FALSE;
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return new_session;
}
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static void
_chat_session_free(ChatSession *session)
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{
if (session != NULL) {
free(session->barejid);
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free(session->resource);
if (session->active_timer != NULL) {
g_timer_destroy(session->active_timer);
session->active_timer = NULL;
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}
free(session);
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}
}
void
chat_sessions_init(void)
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{
sessions = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
(GDestroyNotify)_chat_session_free);
}
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void
chat_sessions_clear(void)
{
if (sessions != NULL)
g_hash_table_remove_all(sessions);
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}
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gboolean
chat_session_exists(const char * const barejid)
{
ChatSession *session = g_hash_table_lookup(sessions, barejid);
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return (session != NULL);
}
char*
chat_session_get_resource(const char * const barejid)
{
ChatSession *session = g_hash_table_lookup(sessions, barejid);
assert(session != NULL);
return session->resource;
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}
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gboolean
chat_session_send_states(const char * const barejid)
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{
ChatSession *session = g_hash_table_lookup(sessions, barejid);
assert(session != NULL);
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return session->send_states;
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}
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void
chat_session_on_incoming_message(const char * const barejid, const char * const resource, gboolean send_states)
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{
ChatSession *session = g_hash_table_lookup(sessions, barejid);
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if (resource) {
if (session) {
if (g_strcmp0(session->resource, resource) != 0) {
log_info("Replacing chat session %s/%s, with new session %s/%s", session->barejid, session->resource, barejid, resource);
g_hash_table_remove(sessions, session);
session = _chat_session_new(barejid, resource, send_states);
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g_hash_table_insert(sessions, strdup(barejid), session);
} else {
session->send_states = send_states;
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}
} else {
log_info("Starting chat session with %s/%s", barejid, resource);
session = _chat_session_new(barejid, resource, send_states);
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g_hash_table_insert(sessions, strdup(barejid), session);
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}
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} else if (session) {
log_info("Ending chat session with %s/%s, message received with no resource", session->barejid, session->resource);
g_hash_table_remove(sessions, session);
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}
}
void
chat_session_on_message_send(const char * const barejid)
{
ChatSession *session = g_hash_table_lookup(sessions, barejid);
assert(session != NULL);
session->state = CHAT_STATE_ACTIVE;
g_timer_start(session->active_timer);
session->sent = TRUE;
}
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void
chat_session_on_window_close(const char * const barejid)
{
ChatSession *session = g_hash_table_lookup(sessions, barejid);
assert(session != NULL);
if (prefs_get_boolean(PREF_STATES) && session->send_states) {
message_send_gone(barejid);
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}
}
void
chat_session_on_cancel(const char * const jid)
{
ChatSession *session = g_hash_table_lookup(sessions, jid);
if (session) {
session->send_states = FALSE;
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}
}
void
chat_session_on_activity(const char * const barejid)
{
ChatSession *session = g_hash_table_lookup(sessions, barejid);
if (session) {
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if (session->state != CHAT_STATE_COMPOSING) {
session->sent = FALSE;
}
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session->state = CHAT_STATE_COMPOSING;
g_timer_start(session->active_timer);
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if (!session->sent || session->state == CHAT_STATE_PAUSED) {
if (prefs_get_boolean(PREF_STATES) && prefs_get_boolean(PREF_OUTTYPE) && session->send_states) {
Jid *jidp = jid_create_from_bare_and_resource(session->barejid, session->resource);
message_send_composing(jidp->fulljid);
jid_destroy(jidp);
}
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session->sent = TRUE;
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}
} else if (prefs_get_boolean(PREF_STATES) && prefs_get_boolean(PREF_OUTTYPE)) {
message_send_composing(barejid);
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}
}
void
chat_session_on_inactivity(const char * const barejid)
{
ChatSession *session = g_hash_table_lookup(sessions, barejid);
if (session) {
if (session->active_timer != NULL) {
gdouble elapsed = g_timer_elapsed(session->active_timer, NULL);
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if ((prefs_get_gone() != 0) && (elapsed > (prefs_get_gone() * 60.0))) {
if (session->state != CHAT_STATE_GONE) {
session->sent = FALSE;
}
session->state = CHAT_STATE_GONE;
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} else if (elapsed > INACTIVE_TIMOUT) {
if (session->state != CHAT_STATE_INACTIVE) {
session->sent = FALSE;
}
session->state = CHAT_STATE_INACTIVE;
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} else if (elapsed > PAUSED_TIMOUT) {
if (session->state == CHAT_STATE_COMPOSING) {
session->sent = FALSE;
session->state = CHAT_STATE_PAUSED;
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}
}
}
if (session->sent == FALSE) {
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Jid *jidp = jid_create_from_bare_and_resource(session->barejid, session->resource);
if (session->state == CHAT_STATE_GONE) {
if (prefs_get_boolean(PREF_STATES) && session->send_states) {
message_send_gone(jidp->fulljid);
}
session->sent = TRUE;
} else if (session->state == CHAT_STATE_INACTIVE) {
if (prefs_get_boolean(PREF_STATES) && session->send_states) {
message_send_inactive(jidp->fulljid);
}
session->sent = TRUE;
} else if (session->state == CHAT_STATE_PAUSED && prefs_get_boolean(PREF_OUTTYPE)) {
if (prefs_get_boolean(PREF_STATES) && session->send_states) {
message_send_paused(jidp->fulljid);
}
session->sent = TRUE;
}
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jid_destroy(jidp);
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}
}
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}