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1 /*
2 * This program is free software; you can redistribute it and/or
3 * modify it under the terms of the GNU Lesser General Public
4 * License as published by the Free Software Foundation; either
5 * version 2 of the License, or (at your option) version 3.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
10 * Lesser General Public License for more details.
11 *
12 * You should have received a copy of the GNU Lesser General Public
13 * License along with the program; if not, see <http://www.gnu.org/licenses/>
14 *
15 *
16 * Authors:
17 * David Trowbridge <trowbrds@cs.colorado.edu>
18 *
19 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
20 *
21 */
22
23 #ifdef HAVE_CONFIG_H
24 #include <config.h>
25 #endif
26
27 #include "eab-config.h"
28
29 #define EAB_CONFIG_GET_PRIVATE(obj) \
30 (G_TYPE_INSTANCE_GET_PRIVATE \
31 ((obj), EAB_TYPE_CONFIG, EABConfigPrivate))
32
33 struct _EABConfigPrivate {
34 guint source_changed_id;
35 };
36
37 G_DEFINE_TYPE (EABConfig, eab_config, E_TYPE_CONFIG)
38
39 static void
40 eab_config_init (EABConfig *cfg)
41 {
42 cfg->priv = EAB_CONFIG_GET_PRIVATE (cfg);
43 }
44
45 static void
46 ecp_target_free (EConfig *ec,
47 EConfigTarget *t)
48 {
49 struct _EABConfigPrivate *p = EAB_CONFIG (ec)->priv;
50
51 if (ec->target == t) {
52 switch (t->type) {
53 case EAB_CONFIG_TARGET_SOURCE: {
54 EABConfigTargetSource *s = (EABConfigTargetSource *) t;
55
56 if (p->source_changed_id) {
57 g_signal_handler_disconnect (s->source, p->source_changed_id);
58 p->source_changed_id = 0;
59 }
60 break; }
61 case EAB_CONFIG_TARGET_PREFS:
62 break;
63 }
64 }
65
66 switch (t->type) {
67 case EAB_CONFIG_TARGET_SOURCE: {
68 EABConfigTargetSource *s = (EABConfigTargetSource *) t;
69
70 if (s->source)
71 g_object_unref (s->source);
72 break; }
73 case EAB_CONFIG_TARGET_PREFS: {
74 EABConfigTargetPrefs *s = (EABConfigTargetPrefs *) t;
75
76 if (s->settings)
77 g_object_unref (s->settings);
78 break; }
79 }
80
81 ((EConfigClass *) eab_config_parent_class)->target_free (ec, t);
82 }
83
84 static void
85 ecp_source_changed (ESource *source,
86 EConfig *ec)
87 {
88 e_config_target_changed (ec, E_CONFIG_TARGET_CHANGED_STATE);
89 }
90
91 static void
92 ecp_set_target (EConfig *ec,
93 EConfigTarget *t)
94 {
95 struct _EABConfigPrivate *p = EAB_CONFIG_GET_PRIVATE (ec);
96
97 ((EConfigClass *) eab_config_parent_class)->set_target (ec, t);
98
99 if (t) {
100 switch (t->type) {
101 case EAB_CONFIG_TARGET_SOURCE: {
102 EABConfigTargetSource *s = (EABConfigTargetSource *) t;
103
104 p->source_changed_id = g_signal_connect (
105 s->source, "changed",
106 G_CALLBACK (ecp_source_changed), ec);
107 break; }
108 case EAB_CONFIG_TARGET_PREFS:
109 break;
110 }
111 }
112 }
113
114 static void
115 eab_config_class_init (EABConfigClass *class)
116 {
117 EConfigClass *config_class;
118
119 g_type_class_add_private (class, sizeof (struct _EABConfigPrivate));
120
121 config_class = E_CONFIG_CLASS (class);
122 config_class->set_target = ecp_set_target;
123 config_class->target_free = ecp_target_free;
124 }
125
126 EABConfig *
127 eab_config_new (gint type,
128 const gchar *menuid)
129 {
130 EABConfig *ecp = g_object_new (eab_config_get_type (), NULL);
131 e_config_construct (&ecp->config, type, menuid);
132 return ecp;
133 }
134
135 EABConfigTargetSource *
136 eab_config_target_new_source (EABConfig *ecp,
137 ESource *source)
138 {
139 EABConfigTargetSource *t = e_config_target_new (
140 &ecp->config, EAB_CONFIG_TARGET_SOURCE, sizeof (*t));
141
142 t->source = source;
143 g_object_ref (source);
144
145 return t;
146 }
147
148 EABConfigTargetPrefs *
149 eab_config_target_new_prefs (EABConfig *ecp,
150 GSettings *settings)
151 {
152 EABConfigTargetPrefs *t = e_config_target_new (
153 &ecp->config, EAB_CONFIG_TARGET_PREFS, sizeof (*t));
154
155 if (settings)
156 t->settings = g_object_ref (settings);
157 else
158 t->settings = NULL;
159
160 return t;
161 }