void QWinTimeZonePrivate::init(const QByteArray &ianaId)
{
if (ianaId.isEmpty()) {
m_windowsId = windowsSystemZoneId();
m_id = systemTimeZoneId();
} else {
m_windowsId = ianaIdToWindowsId(ianaId);
m_id = ianaId;
}
if (!m_windowsId.isEmpty()) {
// Open the base TZI for the time zone
HKEY baseKey = NULL;
const QString baseKeyPath = QString::fromUtf8(tzRegPath) + QLatin1Char('\\')
+ QString::fromUtf8(m_windowsId);
if (openRegistryKey(baseKeyPath, &baseKey)) {
// Load the localized names
m_displayName = readRegistryString(baseKey, L"Display");
m_standardName = readRegistryString(baseKey, L"Std");
m_daylightName = readRegistryString(baseKey, L"Dlt");
// On Vista and later the optional dynamic key holds historic data
const QString dynamicKeyPath = baseKeyPath + QStringLiteral("\\Dynamic DST");
HKEY dynamicKey = NULL;
if (openRegistryKey(dynamicKeyPath, &dynamicKey)) {
// Find out the start and end years stored, then iterate over them
int startYear = readRegistryValue(dynamicKey, L"FirstEntry");
int endYear = readRegistryValue(dynamicKey, L"LastEntry");
for (int year = startYear; year <= endYear; ++year) {
bool ruleOk;
QWinTransitionRule rule = readRegistryRule(dynamicKey,
(LPCWSTR)QString::number(year).utf16(),
&ruleOk);
rule.startYear = year;
if (ruleOk)
m_tranRules.append(rule);
}
RegCloseKey(dynamicKey);
} else {
// No dynamic data so use the base data
bool ruleOk;
QWinTransitionRule rule = readRegistryRule(baseKey, L"TZI", &ruleOk);
rule.startYear = 1970;
if (ruleOk)
m_tranRules.append(rule);
}
RegCloseKey(baseKey);
}
}
// If there are no rules then we failed to find a windowsId or any tzi info
if (m_tranRules.size() == 0) {
m_id.clear();
m_windowsId.clear();
m_displayName.clear();
}
}
void QAndroidTimeZonePrivate::init(const QByteArray &ianaId)
{
QJNIObjectPrivate jo_ianaId = QJNIObjectPrivate::fromString( QString::fromUtf8(ianaId) );
androidTimeZone = QJNIObjectPrivate::callStaticObjectMethod( "java.util.TimeZone", "getTimeZone", "(Ljava/lang/String;)Ljava/util/TimeZone;", static_cast<jstring>(jo_ianaId.object()) );
if (ianaId.isEmpty())
m_id = systemTimeZoneId();
else
m_id = ianaId;
}