/*

* Copyright (c) 2005-2006 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:  Date publisher

*

*/

#ifndef C_AIDATEPUBLISHER_H

#define C_AIDATEPUBLISHER_H

#include <e32base.h>

#include <coemain.h>

#include "aidevicestatuspublisher.h"

#include "aidevicestatuscontentmodel.h"

class MAiDeviceStatusContentObserver;

class MAiPropertyExtension;

class CEnvironmentChangeNotifier;

/**

 *  @ingroup group_devicestatusplugin

 *

 *  Date publisher.

 *

 *  Publishes current date formatted according to current locale if profile

 *  if either general or offline.

 *

 *  @since S60 3.2

 */

class CAiDatePublisher : public CBase, public MAiDeviceStatusPublisher

    {

public:

    static CAiDatePublisher* NewL();

    virtual ~CAiDatePublisher();

protected:

// from base class MAiDeviceStatusPublisher

    void ResumeL();

    void Subscribe( MAiContentObserver& aObserver, 

                    MAiPropertyExtension& aExtension,

                    MAiPublishPrioritizer& aPrioritizer,

                    MAiPublisherBroadcaster& aBroadcaster );

    void RefreshL( TBool aClean );

    TBool RefreshL( TInt aContentId, TBool aClean );

private:

    CAiDatePublisher();

    void ConstructL();

	/// Re-publish date

	void RefreshDateL();

	/// Create day name string

	HBufC* GetDayNameStringLC( TDay aDay, CCoeEnv& aCoeEnv );

	/// Create date string

    HBufC* ConstructDateStringL();

    /// Callback when enviroment changed.

    static TInt HandleCallBackL( TAny *aPtr );

protected: // data

    /**

     * Content observer.

     * Not own.

     */

    MAiContentObserver* iContentObserver;

    /**

     * Property extension.

     * Not own.

     */

    MAiPropertyExtension* iExtension;

	/**

	 * Content prioritizer.

	 * Not own.

	 */

	MAiPublishPrioritizer* iPrioritizer;

    /**

	 * Environment notifier.

	 * own.

	 */

	CEnvironmentChangeNotifier* iEnvNotifier;

	/**

	 * Constructed date text.

	 * Own.

	 */

	HBufC* iDateText;

    };

#endif // C_AIDATEPUBLISHER_H