/*

* 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

#include <aicontentpublisher.h>

#include <aipropertyextension.h>

#include <aicontentrequest.h>

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

 */

class CAiDeviceStatusPlugin : public CAiContentPublisher, 

                                public MAiPropertyExtension, 

                                public MAiContentRequest

    {

public:

    static CAiDeviceStatusPlugin* NewL();

    static CAiDeviceStatusPlugin* NewLC();

    virtual ~CAiDeviceStatusPlugin();

protected:

// from base class CAiContentPublisher

    void Resume( TAiTransitionReason aReason );

    void Suspend( TAiTransitionReason aReason );

    void Stop( TAiTransitionReason aReason );

    void SubscribeL(MAiContentObserver& aObserver);

    TAny* Extension(TUid aUid);

    void ConfigureL(RAiSettingsItemArray& aSettings);

protected:

// from base class MAiPropertyExtension

    TAny* GetPropertyL(TInt aProperty);

    void SetPropertyL(TInt aProperty, TAny* aValue);

// from base class MAiContentRequest

    TBool RefreshContent( TInt aContentId );

private:

    CAiDeviceStatusPlugin();

    void ConstructL();

    void AllocateResourcesL();

    void FreeResources();

    void DoResumeL( TAiTransitionReason aReason );

    TBool IgnoreReason( TAiTransitionReason aReason );

     /**

     * Add device status publisher.

     */

    void AddPublisherL( MAiDeviceStatusPublisher* aPublisher );

private: // data

	/**

	 * Device Status Plug-in Engine.

	 * Own.

	 */

	 CAiDeviceStatusPluginEngine* iEngine;

    /**

     * Content observers.

     * Own.

     */

    CAiMultiContentObserver* iContentObservers;

	/**

	 * Device Status Plug-in content prioritizer.

	 * Own.

	 */

	 CAiPublishPrioritizer* iPrioritizer;

    /**

     * Content item array iterator.

     * Own.

     */

    MAiContentItemIterator* iContent;

    /**

     * Content item array iterator for resources.

     * Own.

     */

    MAiContentItemIterator* iResources;

    /**

     * Publisher info.

     */

    TAiPublisherInfo iInfo;

    /**

     * Offset of the loaded resource file.

     */

    TInt iResourceOffset;

    /**

     * Network info listener.

     * Own.

     */

    CAiNetworkInfoListener* iListener;    

    };

#endif // C_AIDEVICESTATUSPLUGIN_H