/*

* 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:  Model for handling indicator data.

*

*/

#ifndef SNSRINDICATORMODEL_H

#define SNSRINDICATORMODEL_H

#include <qobject.h>

#include "snsrindicatorinfo.h"

#include "snsrtest_global.h"

SCREENSAVER_TEST_CLASS(T_SnsrIndicators)

class HbIndicatorInterface;

#ifdef Q_OS_SYMBIAN

class XQSettingsManager;

class XQSettingsKey;

#endif //Q_OS_SYMBIAN

class SnsrIndicatorModel : public QObject

{

    Q_OBJECT

public:

    SnsrIndicatorModel(QObject *parent = 0);

    virtual ~SnsrIndicatorModel();

public slots:

    void handleActiveIndicators(const QList<HbIndicatorInterface*> &activeIndicators);

    void handleActivatedIndicator(HbIndicatorInterface *activatedIndicator);

    void handleDeactivatedIndicator(HbIndicatorInterface *deactivatedIndicator);

    void handleUpdatedIndicator();

    void initializeIndicatorWidget();

#ifdef Q_OS_SYMBIAN

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

#endif // Q_OS_SYMBIAN

signals:

    void indicatorsUpdated(const QList<SnsrIndicatorInfo> &activeIndicators);

    void allIndicatorsDeactivated();

private:

    bool addIndicator(const SnsrIndicatorInfo &indicatorInfo);

    bool isIndicatorAlreadyAdded(const SnsrIndicatorInfo &indicatorInfo) const;

    bool findAndRemoveIndicator(const SnsrIndicatorInfo &indicatorInfo);

    bool showIndicatorInScreensaver(const HbIndicatorInterface &indicatorInterface,

                                    SnsrIndicatorInfo &indicatorInfo);

    void connectToIndicatorsUpdateSignal(const HbIndicatorInterface &indicatorInterface);

    bool anyActiveIndicators() const;

    void emitChangeSignal();

    void updateIndicatorsToShowList();

    void initializeOfflineModeIndication();

    void getCurrentOfflineState();

private:

    bool mOfflineStateOn;

    SnsrIndicatorInfo mOfflineIndicatorInfo;

#ifdef Q_OS_SYMBIAN

    XQSettingsKey *mOfflineKey;

    XQSettingsManager *mSettingsManager;

#endif //Q_OS_SYMBIAN

    // Save universal indicator statuses into these 2 lists.

    // Active notification indicators in reversed chronological order:

    // the first item is the most recent.

    QList<SnsrIndicatorInfo> mNotificationIndicators;

    // Screensaver should show only silent indicator from this category.

    QList<SnsrIndicatorInfo> mSettingIndicators;

    // This is a combined ordered list of all indicators that should

    // be shown in UI: offline + notification indicators +

    // settings indicators

    QList<SnsrIndicatorInfo> mIndicatorsToShow;

    Q_DISABLE_COPY(SnsrIndicatorModel)

    SCREENSAVER_TEST_FRIEND_CLASS(T_SnsrIndicators)

};

#endif // SNSRINDICATORMODEL_H