/*
  This file is part of KMail, the KDE mail client.
  Copyright (c) 2010 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
  Copyright (c) 2010 Andras Mantia <andras@kdab.com>

  KMail is free software; you can redistribute it and/or modify it
  under the terms of the GNU General Public License, version 2, as
  published by the Free Software Foundation.

  KMail 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
  General Public License for more details.

  You should have received a copy of the GNU General Public License along
  with this program; if not, write to the Free Software Foundation, Inc.,
  51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
*/

#ifndef MAILCOMMON_INTERFACES_H
#define MAILCOMMON_INTERFACES_H

#include <KSharedConfig>

#include <akonadi/collection.h>

class MessageSender;

namespace Akonadi {
  class ChangeRecorder;
  class EntityMimeTypeFilterModel;
}

namespace KPIMIdentities {
  class IdentityManager;
}

namespace MailCommon {

class FilterDialog;
class JobScheduler;
  
/** Generic interface for mail kernels.*/
class IKernel {
public:
  /**
   * Returns a model of all folders in KMail. This is basically the same as entityTreeModel(),
   * but with items filtered out, the model contains only collections.
   */
  virtual Akonadi::EntityMimeTypeFilterModel *collectionModel() const = 0;

  /** return the pointer to the identity manager */
  virtual KPIMIdentities::IdentityManager *identityManager() = 0;

  virtual KSharedConfig::Ptr config() = 0;
  virtual void syncConfig() = 0;
  virtual JobScheduler* jobScheduler() const = 0;
  virtual Akonadi::ChangeRecorder *folderCollectionMonitor() const = 0;
  virtual void updateSystemTray() = 0;
  virtual MessageSender *msgSender() = 0;

  virtual ~IKernel() {};
};

/** Filter related interface */
class IFilter {
public:
  virtual void openFilterDialog( bool createDummyFilter = true ) = 0;
  virtual void createFilter(  const QByteArray & field, const QString & value ) = 0;
  virtual ~IFilter() {};
};

/** Interface to access some settings. */
class ISettings {
public:
  virtual bool showPopupAfterDnD() = 0;

  virtual bool excludeImportantMailFromExpiry()= 0;

  virtual qreal closeToQuotaThreshold() = 0;

  virtual Akonadi::Collection::Id lastSelectedFolder() = 0;
  virtual void setLastSelectedFolder( const Akonadi::Collection::Id  &col ) = 0;

  virtual QStringList customTemplates() = 0;

  virtual ~ISettings() {};
};

}

#endif
