libpurple/protocols/novell/nmconference.c

   1 /*
   2  * nmconference.c
   3  *
   4  * Copyright (c) 2004 Novell, Inc. All Rights Reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; version 2 of the License.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA        02111-1301      USA
  18  *
  19  */
  20
  21 #include <string.h>
  22 #include "nmconference.h"
  23
  24 static int conf_count = 0;
  25
  26 struct _NMConference
  27 {
  28
  29         /* The conference identifier */
  30         char *guid;
  31
  32         /* The list of participants for the conference */
  33         GSList *participants;
  34
  35         /* Flags for the conference */
  36         guint32 flags;
  37
  38         /* User defined data */
  39         gpointer data;
  40
  41         /* Reference count for this object */
  42         int ref_count;
  43
  44 };
  45
  46
  47 /*******************************************************************************
  48  * Conference API -- see header file for comments
  49  ******************************************************************************/
  50
  51 NMConference *
  52 nm_create_conference(const char *guid)
  53 {
  54         NMConference *conf = g_new0(NMConference, 1);
  55
  56         if (guid) {
  57                 conf->guid = g_strdup(guid);
  58         } else {
  59                 conf->guid = g_strdup(BLANK_GUID);
  60         }
  61         conf->ref_count = 1;
  62
  63         purple_debug(PURPLE_DEBUG_INFO, "novell",
  64                            "Creating a conference %p, total=%d\n",
  65                            conf, conf_count++);
  66
  67         return conf;
  68 }
  69
  70 void
  71 nm_release_conference(NMConference * conference)
  72 {
  73         GSList *node;
  74
  75         g_return_if_fail(conference != NULL);
  76
  77         purple_debug(PURPLE_DEBUG_INFO, "novell",
  78                            "In release conference %p, refs=%d\n",
  79                            conference, conference->ref_count);
  80         if (--conference->ref_count == 0) {
  81
  82                 purple_debug(PURPLE_DEBUG_INFO, "novell",
  83                                    "Releasing conference %p, total=%d\n",
  84                                    conference, --conf_count);
  85
  86                 g_free(conference->guid);
  87
  88                 if (conference->participants) {
  89                         for (node = conference->participants; node; node = node->next) {
  90                                 if (node->data) {
  91                                         NMUserRecord *user_record = node->data;
  92
  93                                         nm_release_user_record(user_record);
  94                                         node->data = NULL;
  95                                 }
  96                         }
  97
  98                         g_slist_free(conference->participants);
  99                 }
 100
 101                 g_free(conference);
 102         }
 103 }
 104
 105 gboolean
 106 nm_conference_is_instantiated(NMConference * conference)
 107 {
 108         if (conference == NULL)
 109                 return FALSE;
 110
 111         return (strncmp(conference->guid, BLANK_GUID, CONF_GUID_END) != 0);
 112 }
 113
 114 int
 115 nm_conference_get_participant_count(NMConference * conference)
 116 {
 117         if (conference == NULL)
 118                 return 0;
 119
 120         return g_slist_length(conference->participants);
 121 }
 122
 123 NMUserRecord *
 124 nm_conference_get_participant(NMConference * conference, int index)
 125 {
 126         if (conference == NULL)
 127                 return NULL;
 128
 129         return (NMUserRecord *) g_slist_nth_data(conference->participants, index);
 130 }
 131
 132 void
 133 nm_conference_add_participant(NMConference * conference,
 134                                                           NMUserRecord * user_record)
 135 {
 136         if (conference == NULL || user_record == NULL) {
 137                 return;
 138         }
 139
 140         nm_user_record_add_ref(user_record);
 141         conference->participants = g_slist_append(conference->participants, user_record);
 142 }
 143
 144 void
 145 nm_conference_remove_participant(NMConference * conference, const char *dn)
 146 {
 147         GSList *node, *element = NULL;
 148
 149         if (conference == NULL || dn == NULL) {
 150                 return;
 151         }
 152
 153         for (node = conference->participants; node; node = node->next) {
 154                 NMUserRecord *user_record = node->data;
 155
 156                 if (user_record) {
 157                         if (nm_utf8_str_equal(dn, nm_user_record_get_dn(user_record))) {
 158                                 element = node;
 159                                 break;
 160                         }
 161                 }
 162         }
 163
 164         if (element) {
 165                 nm_release_user_record((NMUserRecord *) element->data);
 166                 element->data = NULL;
 167                 conference->participants =
 168                         g_slist_delete_link(conference->participants, element);
 169         }
 170 }
 171
 172 void
 173 nm_conference_add_ref(NMConference * conference)
 174 {
 175         if (conference)
 176                 conference->ref_count++;
 177 }
 178
 179 void
 180 nm_conference_set_flags(NMConference * conference, guint32 flags)
 181 {
 182         if (conference) {
 183                 conference->flags = flags;
 184         }
 185 }
 186
 187 void
 188 nm_conference_set_guid(NMConference * conference, const char *guid)
 189 {
 190         if (conference) {
 191
 192                 /* Release memory for old guid */
 193                 g_free(conference->guid);
 194
 195                 /* Set the new guid */
 196                 if (guid)
 197                         conference->guid = g_strdup(guid);
 198                 else
 199                         conference->guid = g_strdup(BLANK_GUID);
 200         }
 201 }
 202
 203 void
 204 nm_conference_set_data(NMConference * conference, gpointer data)
 205 {
 206         if (conference == NULL)
 207                 return;
 208
 209         conference->data = data;
 210 }
 211
 212 gpointer
 213 nm_conference_get_data(NMConference * conference)
 214 {
 215         if (conference == NULL)
 216                 return NULL;
 217
 218         return conference->data;
 219 }
 220
 221 const char *
 222 nm_conference_get_guid(NMConference * conference)
 223 {
 224         if (conference == NULL)
 225                 return NULL;
 226
 227         return conference->guid;
 228 }