1 /*
2  * e-settings-mail-session.c
3  *
4  * This program is free software; you can redistribute it and/or modify it
5  * under the terms of the GNU Lesser General Public License as published by
6  * the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it will be useful, but
9  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
10  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
11  * for more details.
12  *
13  * You should have received a copy of the GNU Lesser General Public License
14  * along with this program; if not, see <http://www.gnu.org/licenses/>.
15  *
16  */
17 
18 #include "e-settings-mail-session.h"
19 
20 #include <mail/e-mail-ui-session.h>
21 
22 #define E_SETTINGS_MAIL_SESSION_GET_PRIVATE(obj) \
23 	(G_TYPE_INSTANCE_GET_PRIVATE \
24 	((obj), E_TYPE_SETTINGS_MAIL_SESSION, ESettingsMailSessionPrivate))
25 
26 struct _ESettingsMailSessionPrivate {
27 	gint placeholder;
28 };
29 
G_DEFINE_DYNAMIC_TYPE(ESettingsMailSession,e_settings_mail_session,E_TYPE_EXTENSION)30 G_DEFINE_DYNAMIC_TYPE (
31 	ESettingsMailSession,
32 	e_settings_mail_session,
33 	E_TYPE_EXTENSION)
34 
35 static gboolean
36 settings_mail_session_name_to_junk_filter (GValue *value,
37                                            GVariant *variant,
38                                            gpointer user_data)
39 {
40 	const gchar *filter_name;
41 
42 	filter_name = g_variant_get_string (variant, NULL);
43 
44 	if (filter_name != NULL) {
45 		EMailJunkFilter *junk_filter;
46 
47 		junk_filter = e_mail_session_get_junk_filter_by_name (E_MAIL_SESSION (user_data), filter_name);
48 		if (junk_filter && e_mail_junk_filter_available (E_MAIL_JUNK_FILTER (junk_filter)))
49 			g_value_set_object (value, junk_filter);
50 	}
51 
52 	/* XXX Always return success, even if we cannot find a matching
53 	 *     EMailJunkFilter.  The default value is 'Bogofilter', but
54 	 *     if the Bogofilter module is not installed then GSettings
55 	 *     will actually abort the program.  Nice. */
56 
57 	return TRUE;
58 }
59 
60 static GVariant *
settings_mail_session_junk_filter_to_name(const GValue * value,const GVariantType * expected_type,gpointer user_data)61 settings_mail_session_junk_filter_to_name (const GValue *value,
62                                            const GVariantType *expected_type,
63                                            gpointer user_data)
64 {
65 	EMailJunkFilter *junk_filter;
66 	GVariant *result = NULL;
67 
68 	junk_filter = g_value_get_object (value);
69 
70 	if (E_IS_MAIL_JUNK_FILTER (junk_filter)) {
71 		EMailJunkFilterClass *class;
72 
73 		class = E_MAIL_JUNK_FILTER_GET_CLASS (junk_filter);
74 		result = g_variant_new_string (class->filter_name);
75 	}
76 
77 	return result;
78 }
79 
80 static gboolean
settings_mail_session_idle_cb(gpointer user_data)81 settings_mail_session_idle_cb (gpointer user_data)
82 {
83 	EMailSession *session;
84 	GSettings *settings;
85 
86 	session = E_MAIL_SESSION (user_data);
87 
88 	settings = e_util_ref_settings ("org.gnome.evolution.mail");
89 
90 	/* Need to delay the settings binding to give EMailSession a
91 	 * chance to set up its junk filter table.  The junk filters
92 	 * are also EMailSession extensions. */
93 	g_settings_bind_with_mapping (
94 		settings, "junk-default-plugin",
95 		session, "junk-filter",
96 		G_SETTINGS_BIND_DEFAULT,
97 		settings_mail_session_name_to_junk_filter,
98 		settings_mail_session_junk_filter_to_name,
99 		session, (GDestroyNotify) NULL);
100 
101 	g_object_unref (settings);
102 
103 	return G_SOURCE_REMOVE;
104 }
105 
106 static void
settings_mail_session_constructed(GObject * object)107 settings_mail_session_constructed (GObject *object)
108 {
109 	EExtension *extension;
110 	EExtensible *extensible;
111 	GSettings *settings;
112 
113 	extension = E_EXTENSION (object);
114 	extensible = e_extension_get_extensible (extension);
115 
116 	settings = e_util_ref_settings ("org.gnome.evolution.mail");
117 
118 	if (E_IS_MAIL_UI_SESSION (extensible)) {
119 		g_settings_bind (
120 			settings, "junk-check-incoming",
121 			extensible, "check-junk",
122 			G_SETTINGS_BIND_DEFAULT);
123 	}
124 
125 	g_object_unref (settings);
126 
127 	g_idle_add_full (
128 		G_PRIORITY_HIGH_IDLE,
129 		settings_mail_session_idle_cb,
130 		g_object_ref (extensible),
131 		(GDestroyNotify) g_object_unref);
132 
133 	/* Chain up to parent's constructed() method. */
134 	G_OBJECT_CLASS (e_settings_mail_session_parent_class)->constructed (object);
135 }
136 
137 static void
e_settings_mail_session_class_init(ESettingsMailSessionClass * class)138 e_settings_mail_session_class_init (ESettingsMailSessionClass *class)
139 {
140 	GObjectClass *object_class;
141 	EExtensionClass *extension_class;
142 
143 	g_type_class_add_private (class, sizeof (ESettingsMailSessionPrivate));
144 
145 	object_class = G_OBJECT_CLASS (class);
146 	object_class->constructed = settings_mail_session_constructed;
147 
148 	extension_class = E_EXTENSION_CLASS (class);
149 	extension_class->extensible_type = E_TYPE_MAIL_SESSION;
150 }
151 
152 static void
e_settings_mail_session_class_finalize(ESettingsMailSessionClass * class)153 e_settings_mail_session_class_finalize (ESettingsMailSessionClass *class)
154 {
155 }
156 
157 static void
e_settings_mail_session_init(ESettingsMailSession * extension)158 e_settings_mail_session_init (ESettingsMailSession *extension)
159 {
160 	extension->priv = E_SETTINGS_MAIL_SESSION_GET_PRIVATE (extension);
161 }
162 
163 void
e_settings_mail_session_type_register(GTypeModule * type_module)164 e_settings_mail_session_type_register (GTypeModule *type_module)
165 {
166 	/* XXX G_DEFINE_DYNAMIC_TYPE declares a static type registration
167 	 *     function, so we have to wrap it with a public function in
168 	 *     order to register types from a separate compilation unit. */
169 	e_settings_mail_session_register_type (type_module);
170 }
171 
172