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/*
fe-modes.c : irssi
Copyright (C) 2000 Timo Sirainen
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "module.h"
#include "module-formats.h"
#include "signals.h"
#include "levels.h"
#include "misc.h"
#include "settings.h"
#include "irc-servers.h"
#include "irc-channels.h"
#include "modes.h"
#include "ignore.h"
#include "printtext.h"
#define MODE_WAIT_TIME 3 /* how many seconds to wait for identical modes */
typedef struct {
IRC_CHANNEL_REC *channel;
char *mode;
GSList *nicks;
time_t last_mode;
} MODE_REC;
static int mode_tag, group_multi_mode;
static GSList *modes;
static MODE_REC *mode_find_channel(IRC_CHANNEL_REC *channel)
{
GSList *tmp;
g_return_val_if_fail(channel != NULL, NULL);
for (tmp = modes; tmp != NULL; tmp = tmp->next) {
MODE_REC *rec = tmp->data;
if (rec->channel == channel)
return rec;
}
return NULL;
}
static void mode_destroy(MODE_REC *mode)
{
g_return_if_fail(mode != NULL);
modes = g_slist_remove(modes, mode);
g_slist_foreach(mode->nicks, (GFunc) g_free, NULL);
g_slist_free(mode->nicks);
g_free(mode->mode);
g_free(mode);
}
static void print_mode(MODE_REC *rec)
{
GSList *tmp;
char *nicks;
if (g_slist_find(channels, rec->channel) == NULL) {
/* channel was destroyed while we were waiting.. */
return;
}
tmp = modes; modes = NULL;
nicks = gslist_to_string(rec->nicks, ", ");
printformat(rec->channel->server, rec->channel->name, MSGLEVEL_MODES,
IRCTXT_CHANMODE_CHANGE,
rec->channel->name, rec->mode, nicks);
g_free(nicks);
modes = tmp;
}
/* something is going to be printed to screen, print our current netsplit
message before it. */
static void sig_print_starting(void)
{
while (modes != NULL) {
print_mode(modes->data);
mode_destroy(modes->data);
}
}
static int sig_check_modes(void)
{
GSList *tmp, *next;
if (modes == NULL)
return 1;
for (tmp = modes; tmp != NULL; tmp = next) {
MODE_REC *rec = tmp->data;
next = tmp->next;
if (time(NULL)-rec->last_mode >= MODE_WAIT_TIME) {
print_mode(rec);
mode_destroy(rec);
}
}
if (modes == NULL)
signal_remove("print starting", (SIGNAL_FUNC) sig_print_starting);
return 1;
}
static void msg_multi_mode(IRC_CHANNEL_REC *channel, const char *sender,
const char *addr, const char *mode)
{
MODE_REC *rec;
if (modes == NULL)
signal_add("print starting", (SIGNAL_FUNC) sig_print_starting);
rec = mode_find_channel(channel);
if (rec != NULL && strcmp(rec->mode, mode) != 0) {
/* different mode than last time, show and remove the old */
print_mode(rec);
mode_destroy(rec);
rec = NULL;
}
if (rec == NULL) {
/* no previous mode, create new */
rec = g_new0(MODE_REC, 1);
modes = g_slist_append(modes, rec);
rec->channel = channel;
rec->mode = g_strdup(mode);
}
rec->nicks = g_slist_append(rec->nicks, g_strdup(sender));
rec->last_mode = time(NULL);
signal_stop();
}
/* FIXME: should be moved to fe-common/core/fe-messages.c.. */
static void sig_message_mode(IRC_SERVER_REC *server, const char *channel,
const char *nick, const char *addr,
const char *mode)
{
if (nick == NULL) nick = server->real_address;
if (ignore_check(SERVER(server), nick, addr, channel,
mode, MSGLEVEL_MODES))
return;
if (!ischannel(*channel)) {
/* user mode change */
printformat(server, NULL, MSGLEVEL_MODES,
IRCTXT_USERMODE_CHANGE, mode, channel);
} else if (addr == NULL) {
/* channel mode changed by server */
printformat(server, channel, MSGLEVEL_MODES,
IRCTXT_SERVER_CHANMODE_CHANGE,
channel, mode, nick);
} else {
/* channel mode changed by normal user */
IRC_CHANNEL_REC *chanrec;
chanrec = !group_multi_mode ? NULL :
irc_channel_find(server, channel);
if (chanrec != NULL && g_strcasecmp(nick, server->nick) != 0)
msg_multi_mode(chanrec, nick, addr, mode);
else {
printformat(server, channel, MSGLEVEL_MODES,
IRCTXT_CHANMODE_CHANGE,
channel, mode, nick);
}
}
}
static void read_settings(void)
{
int old_group;
old_group = group_multi_mode;
group_multi_mode = settings_get_bool("group_multi_mode");
if (old_group && !group_multi_mode) {
g_source_remove(mode_tag);
mode_tag = -1;
} else if (!old_group && group_multi_mode) {
mode_tag = g_timeout_add(1000, (GSourceFunc) sig_check_modes, NULL);
}
}
void fe_modes_init(void)
{
settings_add_bool("misc", "group_multi_mode", TRUE);
mode_tag = -1;
read_settings();
signal_add("message mode", (SIGNAL_FUNC) sig_message_mode);
signal_add("setup changed", (SIGNAL_FUNC) read_settings);
}
void fe_modes_deinit(void)
{
if (mode_tag != -1)
g_source_remove(mode_tag);
signal_remove("message mode", (SIGNAL_FUNC) sig_message_mode);
signal_remove("setup changed", (SIGNAL_FUNC) read_settings);
}
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