/*

* 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:  Device status plugin interface.

*

*/

#ifndef C_AIDEVICESTATUSPLUGIN_H

#define C_AIDEVICESTATUSPLUGIN_H

// System includes

// User includes

#include <hscontentpublisher.h>

#include <aicontentrequest.h>

// Forward declarations

class MAiDeviceStatusPublisher;

class CAiContentItemArrayIterator;

class CAiDeviceStatusPluginEngine;

class CAiMultiContentObserver;

class CAiPublishPrioritizer;

class CAiNetworkInfoListener;

/**

 *  @ingroup group_devicestatusplugin

 *

 *  Device status plugin interface.

 *

 *  This class implements required active idle plugin API.

 *

 *  @since S60 3.2

 */

NONSHARABLE_CLASS( CAiDeviceStatusPlugin ) : public CHsContentPublisher, 

    public MAiContentRequest                                 

    {

public:

    // constructors and destructor

    static CAiDeviceStatusPlugin* NewL();

    static CAiDeviceStatusPlugin* NewLC();

    virtual ~CAiDeviceStatusPlugin();

protected:

    // from CHsContentPublisher

    /**

     * @see CHsContentPublisher

     */

    void Start( CHsContentPublisher::TStartReason aReason );

    /**

     * @see CHsContentPublisher

     */    

    void Stop( CHsContentPublisher::TStopReason aReason );

    /**

     * @see CHsContentPublisher

     */    

    void Resume( CHsContentPublisher::TResumeReason aReason );

    /**

     * @see CHsContentPublisher

     */    

    void Suspend( CHsContentPublisher::TSuspendReason aReason );

    /**

     * @see CHsContentPublisher

     */    

    void SubscribeL( MAiContentObserver& aObserver );

    /**

     * @see CHsContentPublisher

     */    

    void ConfigureL( RAiSettingsItemArray& aSettings );

    /**

     * @see CHsContentPublisher

     */    

    TAny* GetProperty( CHsContentPublisher::TProperty aProperty );

protected:

    // from MAiContentRequest

    /**

     * @see MAiContentRequest

     */

    TBool RefreshContent( TInt aContentId );

    /**

     * @see MAiContentRequest

     */    

    TBool SuspendContent( TInt aContentId );

private:

    // constructors

    /**

     * C++ default constructor

     */

    CAiDeviceStatusPlugin();

    /**

     * 2nd phase constructor

     */

    void ConstructL();

private:

    // new functions

    void AllocateResourcesL();

    void FreeResources();

    void DoResumeL();

    void AddPublisherL( MAiDeviceStatusPublisher* aPublisher );

private: 

    // data

	/** Device Status Plug-in Engine, owned */

	 CAiDeviceStatusPluginEngine* iEngine;

    /** Content observers, owned */

    CAiMultiContentObserver* iContentObservers;

	/** Device Status Plug-in content prioritizer, owned */

	 CAiPublishPrioritizer* iPrioritizer;

    /** Content item array iterator, owned */

    MAiContentItemIterator* iContent;

    /** Content item array iterator for resources, owned */

    MAiContentItemIterator* iResources;

    /** Offset of the loaded resource file */

    TInt iResourceOffset;    

    /** Network info listener, owned */

    CAiNetworkInfoListener* iListener;    

    /** Flag to indicate republish need */

    TBool iRequirePublish;

    };

#endif // C_AIDEVICESTATUSPLUGIN_H

// End of file