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
|
/*
This file is part of the KDE libraries
Copyright (c) 2009 Till Adam <adam@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "ktimezoned_win.moc"
#include "ktimezonedbase.moc"
#include <climits>
#include <cstdlib>
#include <QStringList>
#include <QTextStream>
#include <QtDBus/QtDBus>
#include <QThread>
#include <QDebug>
#include <kglobal.h>
#include <klocale.h>
#include <kcodecs.h>
#include <kdebug.h>
#include <kconfiggroup.h>
#include <kpluginfactory.h>
#include <kpluginloader.h>
#ifdef Q_OS_WIN
#include <Windows.h>
#endif
K_PLUGIN_FACTORY(KTimeZonedFactory,
registerPlugin<KTimeZoned>();
)
K_EXPORT_PLUGIN(KTimeZonedFactory("ktimezoned"))
// Config file entry names
const char LOCAL_ZONE[] = "LocalZone"; // name of local time zone
static const TCHAR currentTimeZoneKey[] = TEXT("System\\CurrentControlSet\\Control\\TimeZoneInformation");
class RegistryWatcherThread : public QThread
{
public:
RegistryWatcherThread(KTimeZoned* parent)
:QThread(parent),q(parent)
{
}
~RegistryWatcherThread()
{
RegCloseKey(key);
}
void run()
{
//FIXME: the timezonechange needs to be handled diffrently
#ifndef _WIN32
if ( RegOpenKeyEx( HKEY_LOCAL_MACHINE, currentTimeZoneKey, 0, KEY_READ, &key ) == ERROR_SUCCESS )
{
while(true)
{
RegNotifyChangeKeyValue( key, true, REG_NOTIFY_CHANGE_LAST_SET,
NULL, false /*async, we want it to block*/ );
q->updateLocalZone();
}
}
#endif
}
private:
KTimeZoned* q;
HKEY key;
};
KTimeZoned::KTimeZoned(QObject* parent, const QList<QVariant>& l)
: KTimeZonedBase(parent, l), mRegistryWatcherThread(0)
{
init(false);
}
KTimeZoned::~KTimeZoned()
{
if (mRegistryWatcherThread)
{
mRegistryWatcherThread->quit();
mRegistryWatcherThread->wait(100);
}
delete mRegistryWatcherThread;
}
void KTimeZoned::init(bool restart)
{
if (restart)
{
kDebug(1221) << "KTimeZoned::init(restart)";
delete mRegistryWatcherThread;
mRegistryWatcherThread = 0;
}
KConfig config(QLatin1String("ktimezonedrc"));
if (restart)
config.reparseConfiguration();
KConfigGroup group(&config, "TimeZones");
mConfigLocalZone = group.readEntry(LOCAL_ZONE);
updateLocalZone();
if (!mRegistryWatcherThread)
{
mRegistryWatcherThread = new RegistryWatcherThread(this);
mRegistryWatcherThread->start();
}
}
// Check if the local zone has been updated, and if so, write the new
// zone to the config file and notify interested parties.
void KTimeZoned::updateLocalZone()
{
// On Windows, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Time Zones
// holds the time zone database. The TZI binary value is the TIME_ZONE_INFORMATION structure.
TIME_ZONE_INFORMATION tzinfo;
DWORD res = GetTimeZoneInformation(&tzinfo);
if (res == TIME_ZONE_ID_INVALID) return; // hm
mLocalZone = QString::fromUtf16( reinterpret_cast<ushort*>( tzinfo.StandardName ) );
if (mConfigLocalZone != mLocalZone)
{
kDebug(1221) << "Local timezone is now: " << mLocalZone;
KConfig config(QLatin1String("ktimezonedrc"));
KConfigGroup group(&config, "TimeZones");
mConfigLocalZone = mLocalZone;
group.writeEntry(LOCAL_ZONE, mConfigLocalZone);
group.sync();
QDBusMessage message = QDBusMessage::createSignal("/Daemon", "org.kde.KTimeZoned", "configChanged");
QDBusConnection::sessionBus().send(message);
}
}
|