void DatabaseFileWatcher::databaseDirectoryChanged(const QString &path)
{
for (int i=0; i<m_monitoredDbPaths.count(); i++) {
if (m_monitoredDbPaths[i].contains(path))
restartDirMonitoring(m_monitoredDbPaths[i], path);
}
}
void DatabaseFileWatcher::databaseChanged(const QString &path)
{
if (!QFile::exists(m_databasePath)) {
restartDirMonitoring(QString());;
}
emit notifyChange();
// if database was deleted, the path may have been dropped
if (!m_watcher->files().contains(path) && QFile::exists(path))
m_watcher->addPath(path);
}
void DatabaseFileWatcher::notifyChanges(ServiceDatabase *database, DatabaseManager::DbScope scope)
{
#ifdef Q_OS_SYMBIAN
scope = DatabaseManager::SystemScope;
#endif
QString dbPath = database->databasePath();
if (!QFile::exists(dbPath)) {
m_knownServices.remove(dbPath);
restartDirMonitoring(dbPath, QString());
return;
}
QStringList currentServices = database->getServiceNames(QString());
if (database->lastError().code() !=DBError::NoError) {
qWarning("QServiceManager: failed to get current service names for serviceAdded() and serviceRemoved() signals");
return;
}
const QStringList &knownServicesRef = m_knownServices[dbPath];
QSet<QString> currentServicesSet = currentServices.toSet();
QSet<QString> knownServicesSet = knownServicesRef.toSet();
if (currentServicesSet == knownServicesSet)
return;
QStringList newServices;
for (int i=0; i<currentServices.count(); i++) {
if (!knownServicesSet.contains(currentServices[i]))
newServices << currentServices[i];
}
QStringList removedServices;
for (int i=0; i<knownServicesRef.count(); i++) {
if (!currentServicesSet.contains(knownServicesRef[i]))
removedServices << knownServicesRef[i];
}
m_knownServices[dbPath] = currentServices;
for (int i=0; i<newServices.count(); i++)
emit m_manager->serviceAdded(newServices[i], scope);
for (int i=0; i<removedServices.count(); i++)
emit m_manager->serviceRemoved(removedServices[i], scope);
}
void DatabaseFileWatcher::setEnabled(bool enabled)
{
if (!m_watcher) {
m_watcher = new QFileSystemWatcher(this);
connect(m_watcher, SIGNAL(fileChanged(QString)),
SLOT(databaseChanged(QString)));
connect(m_watcher, SIGNAL(directoryChanged(QString)),
SLOT(databaseDirectoryChanged(QString)));
}
if (enabled) {
if (QFile::exists(m_databasePath)) {
if (!m_watcher->files().contains(m_databasePath))
m_watcher->addPath(m_databasePath);
} else {
restartDirMonitoring(QString());
}
} else {
m_watcher->removePath(m_databasePath);
}
}
void DatabaseFileWatcher::setEnabled(ServiceDatabase *database, bool enabled)
{
if (!m_watcher) {
m_watcher = new QFileSystemWatcher(this);
connect(m_watcher, SIGNAL(fileChanged(QString)),
SLOT(databaseChanged(QString)));
connect(m_watcher, SIGNAL(directoryChanged(QString)),
SLOT(databaseDirectoryChanged(QString)));
}
QString path = database->databasePath();
if (enabled) {
if (QFile::exists(path)) {
m_knownServices[path] = database->getServiceNames(QString());
m_watcher->addPath(path);
} else {
restartDirMonitoring(path, QString());
}
} else {
m_watcher->removePath(path);
m_knownServices.remove(path);
}
}
void DatabaseFileWatcher::databaseDirectoryChanged(const QString &path)
{
if (m_databasePath.contains(path)) {
restartDirMonitoring(path);
}
}
