| 1 /** |
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| 2 * @file history.c MSN history functions |
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| 3 * |
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| 4 * gaim |
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| 5 * |
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| 6 * Gaim is the legal property of its developers, whose names are too numerous |
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| 7 * to list here. Please refer to the COPYRIGHT file distributed with this |
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| 8 * source distribution. |
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| 9 * |
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| 10 * This program is free software; you can redistribute it and/or modify |
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| 11 * it under the terms of the GNU General Public License as published by |
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| 12 * the Free Software Foundation; either version 2 of the License, or |
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| 13 * (at your option) any later version. |
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| 14 * |
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| 15 * This program is distributed in the hope that it will be useful, |
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| 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 18 * GNU General Public License for more details. |
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| 19 * |
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| 20 * You should have received a copy of the GNU General Public License |
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| 21 * along with this program; if not, write to the Free Software |
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| 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 23 */ |
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| 24 #include "msn.h" |
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| 25 #include "history.h" |
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| 26 |
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| 27 MsnHistory * |
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| 28 msn_history_new(void) |
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| 29 { |
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| 30 MsnHistory *history = g_new0(MsnHistory, 1); |
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| 31 |
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| 32 history->trId = 1; |
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| 33 |
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| 34 history->queue = g_queue_new(); |
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| 35 |
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| 36 return history; |
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| 37 } |
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| 38 |
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| 39 void |
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| 40 msn_history_destroy(MsnHistory *history) |
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| 41 { |
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| 42 MsnTransaction *trans; |
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| 43 |
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| 44 while ((trans = g_queue_pop_head(history->queue)) != NULL) |
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| 45 msn_transaction_destroy(trans); |
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| 46 |
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| 47 g_queue_free(history->queue); |
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| 48 g_free(history); |
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| 49 } |
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| 50 |
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| 51 MsnTransaction * |
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| 52 msn_history_find(MsnHistory *history, unsigned int trId) |
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| 53 { |
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| 54 MsnTransaction *trans; |
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| 55 GList *list; |
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| 56 |
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| 57 for (list = history->queue->head; list != NULL; list = list->next) |
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| 58 { |
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| 59 trans = list->data; |
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| 60 if (trans->trId == trId) |
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| 61 return trans; |
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| 62 } |
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| 63 |
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| 64 return NULL; |
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| 65 } |
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| 66 |
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| 67 void |
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| 68 msn_history_add(MsnHistory *history, MsnTransaction *trans) |
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| 69 { |
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| 70 GQueue *queue; |
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| 71 |
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| 72 g_return_if_fail(history != NULL); |
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| 73 g_return_if_fail(trans != NULL); |
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| 74 |
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| 75 queue = history->queue; |
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| 76 |
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| 77 trans->trId = history->trId++; |
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| 78 |
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| 79 g_queue_push_tail(queue, trans); |
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| 80 |
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| 81 if (queue->length > MSN_HIST_ELEMS) |
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| 82 { |
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| 83 trans = g_queue_pop_head(queue); |
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| 84 msn_transaction_destroy(trans); |
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| 85 } |
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| 86 } |
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| 87 |
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