1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Copyright (C) 2014 Red Hat, Inc. (www.redhat.com)
*
* This library is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Fabiano Fidêncio <fidencio@redhat.com>
*/
/*
* This class handles and creates #EBackend objects from inside
* their own subprocesses and also serves as the layer that does
* the communication between #EDataCalFactory and #EBackend
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <locale.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <glib/gi18n-lib.h>
#include "e-cal-backend.h"
#include "e-cal-backend-factory.h"
#include "e-data-cal.h"
#include "e-subprocess-cal-factory.h"
#include <e-dbus-subprocess-backend.h>
/* Forward Declarations */
static void e_subprocess_cal_factory_initable_init
(GInitableIface *iface);
G_DEFINE_TYPE_WITH_CODE (
ESubprocessCalFactory,
e_subprocess_cal_factory,
E_TYPE_SUBPROCESS_FACTORY,
G_IMPLEMENT_INTERFACE (
G_TYPE_INITABLE,
e_subprocess_cal_factory_initable_init))
static gchar *
subprocess_cal_factory_open (ESubprocessFactory *subprocess_factory,
EBackend *backend,
GDBusConnection *connection,
gpointer data,
GCancellable *cancellable,
GError **error)
{
EDataCal *data_cal;
gchar *object_path;
/* If the backend already has an EDataCal installed, return its
* object path. Otherwise we need to install a new EDataCal. */
data_cal = e_cal_backend_ref_data_cal (E_CAL_BACKEND (backend));
if (data_cal != NULL) {
object_path = g_strdup (e_data_cal_get_object_path (data_cal));
} else {
object_path = e_subprocess_factory_construct_path ();
/* The EDataCal will attach itself to ECalBackend,
* so no need to call e_cal_backend_set_data_cal(). */
data_cal = e_data_cal_new (
E_CAL_BACKEND (backend),
connection, object_path, error);
if (data_cal != NULL) {
e_subprocess_factory_set_backend_callbacks (
subprocess_factory, backend, data);
} else {
g_free (object_path);
object_path = NULL;
}
}
g_clear_object (&data_cal);
return object_path;
}
static EBackend *
subprocess_cal_factory_ref_backend (ESourceRegistry *registry,
ESource *source,
const gchar *backend_factory_type_name)
{
ECalBackend *backend;
ECalBackendFactoryClass *backend_factory_class;
GType backend_factory_type;
backend_factory_type = g_type_from_name (backend_factory_type_name);
backend_factory_class = g_type_class_ref (backend_factory_type);
backend = g_object_new (
backend_factory_class->backend_type,
"kind", backend_factory_class->component_kind,
"registry", registry,
"source", source, NULL);
return E_BACKEND (backend);
}
static void
e_subprocess_cal_factory_class_init (ESubprocessCalFactoryClass *class)
{
ESubprocessFactoryClass *subprocess_factory_class;
subprocess_factory_class = E_SUBPROCESS_FACTORY_CLASS (class);
subprocess_factory_class->ref_backend = subprocess_cal_factory_ref_backend;
subprocess_factory_class->open_data = subprocess_cal_factory_open;
}
static void
e_subprocess_cal_factory_initable_init (GInitableIface *iface)
{
}
static void
e_subprocess_cal_factory_init (ESubprocessCalFactory *subprocess_factory)
{
}
ESubprocessCalFactory *
e_subprocess_cal_factory_new (GCancellable *cancellable,
GError **error)
{
icalarray *builtin_timezones;
gint ii;
#ifdef HAVE_ICAL_UNKNOWN_TOKEN_HANDLING
ical_set_unknown_token_handling_setting (ICAL_DISCARD_TOKEN);
#endif
/* XXX Pre-load all built-in timezones in libical.
*
* Built-in time zones in libical 0.43 are loaded on demand,
* but not in a thread-safe manner, resulting in a race when
* multiple threads call icaltimezone_load_builtin_timezone()
* on the same time zone. Until built-in time zone loading
* in libical is made thread-safe, work around the issue by
* loading all built-in time zones now, so libical's internal
* time zone array will be fully populated before any threads
* are spawned.
*/
builtin_timezones = icaltimezone_get_builtin_timezones ();
for (ii = 0; ii < builtin_timezones->num_elements; ii++) {
icaltimezone *zone;
zone = icalarray_element_at (builtin_timezones, ii);
/* We don't care about the component right now,
* we just need some function that will trigger
* icaltimezone_load_builtin_timezone(). */
icaltimezone_get_component (zone);
}
return g_initable_new (
E_TYPE_SUBPROCESS_CAL_FACTORY,
cancellable, error, NULL);
}
|
