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Viewing changes to src/core/xep/composing.c

  • Committer: Bazaar Package Importer
  • Author(s): David Ammouial
  • Date: 2009-05-12 12:14:44 UTC
  • mfrom: (1.1.3 upstream) (2.1.2 sid)
  • Revision ID: james.westby@ubuntu.com-20090512121444-5jeho5h3zsy4oij7
Tags: 0.13+cvs20090406-1
http://bugs.debian.org/521227
http://bugs.debian.org/527697
* New CVS snapshot, built against irssi-dev 0.8.13:
  - New features and bugfixes.
  - Fix segfault when successfully identified (Closes: #521227).
  - Fix build error (Closes: #527697)
* Depend on irssi >=0.8.13, build-depend on irssi-dev >=0.8.13.
* Bump Standards-Version to 3.8.1 (no changes needed).
* Add INTERNAL to documentation files.

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src/core/xep/composing.c
 
1
/*
 
2
 * $Id: composing.c,v 1.13 2009/04/03 11:21:35 cdidier Exp $
 
3
 *
 
4
 * Copyright (C) 2007,2008,2009 Colin DIDIER
 
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 version 2 as
 
8
 * published by the Free Software Foundation.
 
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 along
 
16
 * with this program; if not, write to the Free Software Foundation, Inc.,
 
17
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
18
 */
 
19
 
 
20
/*
 
21
 * XEP-0022: Message Events
 
22
 */
 
23
 
 
24
#include <string.h>
 
25
 
 
26
#include "module.h"
 
27
#include "signals.h"
 
28
 
 
29
#include "xmpp-servers.h"
 
30
#include "xmpp-queries.h"
 
31
#include "tools.h"
 
32
#include "tool_datalist.h"
 
33
#include "disco.h"
 
34
 
 
35
#define XMLNS_EVENT "jabber:x:event"
 
36
 
 
37
static DATALIST *composings;
 
38
 
 
39
#define send_start(server, dest, id) \
 
40
        send_composing_event(server, dest, id, TRUE)
 
41
#define send_stop(server, dest, id) \
 
42
        send_composing_event(server, dest, id, FALSE)
 
43
 
 
44
static void
 
45
send_composing_event(XMPP_SERVER_REC *server, const char *dest, const char *id,
 
46
    gboolean composing)
 
47
{
 
48
        LmMessage *lmsg;
 
49
        LmMessageNode *node;
 
50
        char *recoded;
 
51
 
 
52
        recoded = xmpp_recode_out(dest);
 
53
        lmsg = lm_message_new_with_sub_type(recoded,
 
54
            LM_MESSAGE_TYPE_MESSAGE, LM_MESSAGE_SUB_TYPE_CHAT);
 
55
        g_free(recoded);
 
56
        node = lm_message_node_add_child(lmsg->node, "x", NULL);
 
57
        lm_message_node_set_attribute(node, XMLNS, XMLNS_EVENT);
 
58
        if (composing)
 
59
                lm_message_node_add_child(node, "composing", NULL);
 
60
        if (id != NULL)
 
61
                lm_message_node_add_child(node, "id", id);
 
62
        signal_emit("xmpp send message", 2, server, lmsg);
 
63
        lm_message_unref(lmsg);
 
64
}
 
65
 
 
66
static void
 
67
sig_composing_start(XMPP_SERVER_REC *server, const char *dest)
 
68
{
 
69
        DATALIST_REC *rec;
 
70
 
 
71
        g_return_if_fail(IS_XMPP_SERVER(server));
 
72
        g_return_if_fail(dest != NULL);
 
73
        if ((rec = datalist_find(composings, server, dest)) != NULL)
 
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                send_start(server, dest, rec->data);
 
75
}
 
76
 
 
77
static void
 
78
sig_composing_stop(XMPP_SERVER_REC *server, const char *dest)
 
79
{
 
80
        DATALIST_REC *rec;
 
81
 
 
82
        g_return_if_fail(IS_XMPP_SERVER(server));
 
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        g_return_if_fail(dest != NULL);
 
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        if ((rec = datalist_find(composings, server, dest)) != NULL)
 
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                send_stop(server, dest, rec->data);
 
86
}
 
87
 
 
88
static void
 
89
sig_composing_show(XMPP_SERVER_REC *server, const char *dest)
 
90
{
 
91
        XMPP_QUERY_REC *query;
 
92
 
 
93
        if ((query = xmpp_query_find(server, dest)) != NULL)
 
94
                query->composing_visible = TRUE;
 
95
}
 
96
 
 
97
static void
 
98
sig_composing_hide(XMPP_SERVER_REC *server, const char *dest)
 
99
{
 
100
        XMPP_QUERY_REC *query;
 
101
 
 
102
        if ((query = xmpp_query_find(server, dest)) != NULL)
 
103
                query->composing_visible = FALSE;
 
104
}
 
105
 
 
106
static void
 
107
sig_recv_message(XMPP_SERVER_REC *server, LmMessage *lmsg, const int type,
 
108
    const char *id, const char *from, const char *to)
 
109
{
 
110
        LmMessageNode *node;
 
111
 
 
112
        if ((type != LM_MESSAGE_SUB_TYPE_NOT_SET
 
113
            && type != LM_MESSAGE_SUB_TYPE_HEADLINE
 
114
            && type != LM_MESSAGE_SUB_TYPE_NORMAL
 
115
            && type != LM_MESSAGE_SUB_TYPE_CHAT)
 
116
            || server->ischannel(SERVER(server), from))
 
117
                return;
 
118
        node = lm_find_node(lmsg->node, "x", XMLNS, XMLNS_EVENT);
 
119
        if (node == NULL) {
 
120
                signal_emit("xmpp composing hide", 2, server, from);
 
121
                return;
 
122
        }
 
123
        if (lm_message_node_get_child(lmsg->node, "body") != NULL
 
124
            || lm_message_node_get_child(lmsg->node, "subject") != NULL) {
 
125
                if (lm_message_node_get_child(node, "composing") != NULL)
 
126
                        datalist_add(composings, server, from, g_strdup(id));
 
127
                else
 
128
                        datalist_remove(composings, server, from);
 
129
                signal_emit("xmpp composing hide", 2, server, from);
 
130
        } else {
 
131
                if (lm_message_node_get_child(node, "composing") != NULL)
 
132
                        signal_emit("xmpp composing show", 2, server, from);
 
133
                else
 
134
                        signal_emit("xmpp composing hide", 2, server, from);
 
135
        }
 
136
}
 
137
 
 
138
static void
 
139
sig_send_message(XMPP_SERVER_REC *server, LmMessage *lmsg)
 
140
{
 
141
        LmMessageNode *node;
 
142
        LmMessageSubType type;
 
143
 
 
144
        type = lm_message_get_sub_type(lmsg);
 
145
        if ((type != LM_MESSAGE_SUB_TYPE_NOT_SET
 
146
            && type != LM_MESSAGE_SUB_TYPE_HEADLINE
 
147
            && type != LM_MESSAGE_SUB_TYPE_NORMAL
 
148
            && type != LM_MESSAGE_SUB_TYPE_CHAT)
 
149
            || (lm_message_node_get_child(lmsg->node, "body") == NULL
 
150
            && lm_message_node_get_child(lmsg->node, "subject") == NULL))
 
151
                return;
 
152
        /* request composing events */
 
153
        node = lm_message_node_add_child(lmsg->node, "x", NULL);
 
154
        lm_message_node_set_attribute(node, XMLNS, XMLNS_EVENT);
 
155
        lm_message_node_add_child(node, "composing", NULL);
 
156
}
 
157
 
 
158
static void
 
159
sig_offline(XMPP_SERVER_REC *server, const char *jid)
 
160
{
 
161
        g_return_if_fail(IS_XMPP_SERVER(server));
 
162
        datalist_remove(composings, server, jid);
 
163
}
 
164
 
 
165
static void
 
166
sig_disconnected(XMPP_SERVER_REC *server)
 
167
{
 
168
        if (IS_XMPP_SERVER(server))
 
169
                datalist_cleanup(composings, server);
 
170
}
 
171
 
 
172
static void
 
173
freedata_func(DATALIST_REC *rec)
 
174
{
 
175
        g_free(rec->data);
 
176
}
 
177
 
 
178
void
 
179
composing_init(void)
 
180
{
 
181
        composings = datalist_new(freedata_func);
 
182
        disco_add_feature(XMLNS_EVENT);
 
183
        signal_add("xmpp composing start", sig_composing_start);
 
184
        signal_add("xmpp composing stop", sig_composing_stop);
 
185
        signal_add("xmpp composing show", sig_composing_show);
 
186
        signal_add("xmpp composing hide", sig_composing_hide);
 
187
        signal_add("xmpp recv message", sig_recv_message);
 
188
        signal_add("xmpp send message", sig_send_message);
 
189
        signal_add("xmpp presence offline", sig_offline);
 
190
        signal_add("server disconnected", sig_disconnected);
 
191
}
 
192
 
 
193
void
 
194
composing_deinit(void)
 
195
{
 
196
        signal_remove("xmpp composing start", sig_composing_start);
 
197
        signal_remove("xmpp composing stop", sig_composing_stop);
 
198
        signal_remove("xmpp composing show", sig_composing_show);
 
199
        signal_remove("xmpp composing hide", sig_composing_hide);
 
200
        signal_remove("xmpp recv message", sig_recv_message);
 
201
        signal_remove("xmpp send message", sig_send_message);
 
202
        signal_remove("xmpp presence offline", sig_offline);
 
203
        signal_remove("server disconnected", sig_disconnected);
 
204
        datalist_destroy(composings);
 
205
}