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
|
/*
* Copyright 2013 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3, as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authors:
* Charles Kerr <charles.kerr@canonical.com>
*/
#include <datetime/timezone-file.h>
#include <cerrno>
#include <cstdlib>
namespace unity {
namespace indicator {
namespace datetime {
FileTimezone::FileTimezone()
{
}
FileTimezone::FileTimezone(const std::string& filename)
{
set_filename(filename);
}
FileTimezone::~FileTimezone()
{
clear();
}
void
FileTimezone::clear()
{
if (m_monitor_handler_id)
g_signal_handler_disconnect(m_monitor, m_monitor_handler_id);
g_clear_object (&m_monitor);
m_filename.clear();
}
void
FileTimezone::set_filename(const std::string& filename)
{
clear();
auto tmp = realpath(filename.c_str(), nullptr);
if(tmp != nullptr)
{
m_filename = tmp;
free(tmp);
}
else
{
g_warning("Unable to resolve path '%s': %s", filename.c_str(), g_strerror(errno));
m_filename = filename; // better than nothing?
}
auto file = g_file_new_for_path(m_filename.c_str());
GError * err = nullptr;
m_monitor = g_file_monitor_file(file, G_FILE_MONITOR_NONE, nullptr, &err);
g_object_unref(file);
if (err)
{
g_warning("%s Unable to monitor timezone file '%s': %s", G_STRLOC, TIMEZONE_FILE, err->message);
g_error_free(err);
}
else
{
m_monitor_handler_id = g_signal_connect_swapped(m_monitor, "changed", G_CALLBACK(on_file_changed), this);
g_debug("%s Monitoring timezone file '%s'", G_STRLOC, m_filename.c_str());
}
reload();
}
void
FileTimezone::on_file_changed(gpointer gself)
{
static_cast<FileTimezone*>(gself)->reload();
}
void
FileTimezone::reload()
{
GError * err = nullptr;
gchar * str = nullptr;
if (!g_file_get_contents(m_filename.c_str(), &str, nullptr, &err))
{
g_warning("%s Unable to read timezone file '%s': %s", G_STRLOC, m_filename.c_str(), err->message);
g_error_free(err);
}
else
{
g_strstrip(str);
timezone.set(str);
g_free(str);
}
}
} // namespace datetime
} // namespace indicator
} // namespace unity
|