/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

#ifndef NMUIEVENTSNOTIFIER_H

#define NMUIEVENTSNOTIFIER_H

#include <QObject>

#include <XQSettingsKey>

#include <XQSettingsManager>

#include <QVariant>

#include <nmcommon.h> // For NmId.

#include <nmuiviewids.h>

#include "emailutilitiesdef.h"

class EMAIL_UTILITIES_EXPORT NmUiEventsNotifier : public QObject

{

    Q_OBJECT

    Q_ENUMS(NmUiEventType)

public: // Data types

    enum NmUiEventType {

        NmInvalidUiEvent = 0,

        NmViewShownEvent,

        NmViewHiddenEvent

    };

public:

    NmUiEventsNotifier(QObject *parent = NULL);

    ~NmUiEventsNotifier();

public:

    static bool notifyViewStateChanged(const NmUiEventType eventType,

                                       const NmUiViewId viewId,

                                       const NmId &mailboxId);

private:

    bool keysEqual(const XQSettingsKey& settingsKey,

                   const XQPublishAndSubscribeSettingsKey& psSettingsKey) const;

    bool parseKeyValue(const QByteArray &array,

                       NmUiEventType &eventType,

                       NmUiViewId &viewId,

                       NmId &mailboxId) const;

private slots:

    void valueChanged(const XQSettingsKey &key, const QVariant &value);

Q_SIGNALS:

    void viewStateChanged(NmUiEventsNotifier::NmUiEventType eventType,

                          NmUiViewId viewId,

                          NmId mailboxId);

private: // Data

    XQSettingsManager mSettingsManager;

};

#endif /* NMUIEVENTSNOTIFIER_H */

// End of file.