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#ifndef STORAGECHANGENOTIFIER_H
#define STORAGECHANGENOTIFIER_H
#include <QObject>
#include <QHash>
namespace Buteo {
class StorageChangeNotifierPlugin;
class PluginManager;
/*! \brief Notifies about changes in storages
* that it's asked to monitor
*/
class StorageChangeNotifier : public QObject
{
Q_OBJECT
public:
/*! \brief constructor
*/
StorageChangeNotifier();
/*! \brief destructor
*/
~StorageChangeNotifier();
/*! \brief load all implemented storage change notifier plug-in's
*
* @param aPluginManager used to load SOC storage plugins
* @param aStorageNames list of storages we wan't to monitor
*/
void loadNotifiers(PluginManager *aPluginManager,
const QStringList &aStorageNames);
/*! Call this to start monitoring changes in storages
*
* @param list of storage names which can't be monitored
* @return true if we can monitor all storages requested for
* false otherwise
*/
bool startListen(QStringList &aFailedStorages);
/*! \brief call this to ignore taking action on
* storage changes. Whether there was a change can
* be determined by calling hasChanges() on the notifier plug-in
* and startListen() can be called again
*
* @param disableAfterNextChange if set to true, we stop listening
* to change notifiers after they've notified about the next change.
* This is useful for eg to note that a change did occur during a d2d
* sync (during which we disable SOC), but we don't want to get notified
* for each batch change, the one notification lets itself be known to us
* when we call checkForChanges()
*/
void stopListen(bool disableAfterNextChange = false);
/*! Manually check and notify changes in storage
*/
void checkForChanges();
private Q_SLOTS:
/*! \brief process a storage change notification
*/
void storageChanged();
Q_SIGNALS:
/*! emit this signal if a storage changed
*
* @param storageName name of the storage that changed
*/
void storageChange(QString aStorageName);
private:
QHash<QString, StorageChangeNotifierPlugin *> iNotifierMap;
PluginManager *iPluginManager;
};
}
#endif
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