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131 lines
3.4 KiB
131 lines
3.4 KiB
/* |
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SPDX-FileCopyrightText: 2009 Till Adam <[email protected]> |
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SPDX-License-Identifier: LGPL-2.0-or-later |
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*/ |
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#include "ktimezoned_win.moc" |
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#include "ktimezonedbase.moc" |
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#include <climits> |
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#include <cstdlib> |
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#include <QDBusConnection> |
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#include <QDBusMessage> |
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#include <QDebug> |
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#include <QStringList> |
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#include <QTextStream> |
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#include <QThread> |
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#include <kcodecs.h> |
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#include <kconfiggroup.h> |
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#include <kdebug.h> |
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#include <kglobal.h> |
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#include <klocale.h> |
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#include <kpluginfactory.h> |
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#ifdef Q_OS_WIN |
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#include <Windows.h> |
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#endif |
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K_PLUGIN_CLASS_WITH_JSON(KTimeZoned, "ktimezoned.json") |
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// Config file entry names |
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const char LOCAL_ZONE[] = "LocalZone"; // name of local time zone |
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static const TCHAR currentTimeZoneKey[] = TEXT("System\\CurrentControlSet\\Control\\TimeZoneInformation"); |
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class RegistryWatcherThread : public QThread |
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{ |
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public: |
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RegistryWatcherThread(KTimeZoned *parent) |
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: QThread(parent) |
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, q(parent) |
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{ |
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} |
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~RegistryWatcherThread() |
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{ |
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RegCloseKey(key); |
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} |
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void run() |
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{ |
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// FIXME: the timezonechange needs to be handled differently |
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#ifndef _WIN32 |
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if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, currentTimeZoneKey, 0, KEY_READ, &key) == ERROR_SUCCESS) { |
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while (true) { |
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RegNotifyChangeKeyValue(key, true, REG_NOTIFY_CHANGE_LAST_SET, NULL, false /*async, we want it to block*/); |
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q->updateLocalZone(); |
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} |
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} |
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#endif |
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} |
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private: |
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KTimeZoned *q; |
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HKEY key; |
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}; |
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KTimeZoned::KTimeZoned(QObject *parent, const QList<QVariant> &l) |
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: KTimeZonedBase(parent, l) |
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, mRegistryWatcherThread(0) |
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{ |
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init(false); |
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} |
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KTimeZoned::~KTimeZoned() |
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{ |
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if (mRegistryWatcherThread) { |
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mRegistryWatcherThread->quit(); |
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mRegistryWatcherThread->wait(100); |
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} |
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delete mRegistryWatcherThread; |
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} |
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void KTimeZoned::init(bool restart) |
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{ |
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if (restart) { |
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qDebug() << "KTimeZoned::init(restart)"; |
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delete mRegistryWatcherThread; |
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mRegistryWatcherThread = 0; |
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} |
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KConfig config(QLatin1String("ktimezonedrc")); |
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if (restart) |
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config.reparseConfiguration(); |
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KConfigGroup group(&config, "TimeZones"); |
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mConfigLocalZone = group.readEntry(LOCAL_ZONE); |
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updateLocalZone(); |
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if (!mRegistryWatcherThread) { |
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mRegistryWatcherThread = new RegistryWatcherThread(this); |
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mRegistryWatcherThread->start(); |
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} |
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} |
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// Check if the local zone has been updated, and if so, write the new |
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// zone to the config file and notify interested parties. |
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void KTimeZoned::updateLocalZone() |
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{ |
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// On Windows, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Time Zones |
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// holds the time zone database. The TZI binary value is the TIME_ZONE_INFORMATION structure. |
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TIME_ZONE_INFORMATION tzinfo; |
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DWORD res = GetTimeZoneInformation(&tzinfo); |
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if (res == TIME_ZONE_ID_INVALID) |
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return; // hm |
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mLocalZone = QString::fromUtf16(reinterpret_cast<ushort *>(tzinfo.StandardName)); |
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if (mConfigLocalZone != mLocalZone) { |
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qDebug() << "Local timezone is now: " << mLocalZone; |
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KConfig config(QLatin1String("ktimezonedrc")); |
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KConfigGroup group(&config, "TimeZones"); |
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mConfigLocalZone = mLocalZone; |
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group.writeEntry(LOCAL_ZONE, mConfigLocalZone); |
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group.sync(); |
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QDBusMessage message = QDBusMessage::createSignal("/Daemon", "org.kde.KTimeZoned", "timeZoneChanged"); |
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QDBusConnection::sessionBus().send(message); |
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} |
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}
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