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/**
* @file history.c MSN history functions
*
* purple
*
* Purple is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* 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 "msn.h"
#include "history.h"
MsnHistory *
msn_history_new(void)
{
MsnHistory *history = g_new0(MsnHistory, 1);
history->trId = 1;
history->queue = g_queue_new();
return history;
}
void
msn_history_destroy(MsnHistory *history)
{
MsnTransaction *trans;
while ((trans = g_queue_pop_head(history->queue)) != NULL)
msn_transaction_destroy(trans);
g_queue_free(history->queue);
g_free(history);
}
MsnTransaction *
msn_history_find(MsnHistory *history, unsigned int trId)
{
MsnTransaction *trans;
GList *list;
for (list = history->queue->head; list != NULL; list = list->next)
{
trans = list->data;
if (trans->trId == trId)
return trans;
}
return NULL;
}
void
msn_history_add(MsnHistory *history, MsnTransaction *trans)
{
GQueue *queue;
g_return_if_fail(history != NULL);
g_return_if_fail(trans != NULL);
queue = history->queue;
trans->trId = history->trId++;
g_queue_push_tail(queue, trans);
if (queue->length > MSN_HIST_ELEMS)
{
trans = g_queue_pop_head(queue);
msn_transaction_destroy(trans);
}
}
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