/*

* Copyright (c) 2006-2007 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:  AI ecom plugin class. Main interface to XML AI framework.

*

*/

#ifndef C_AIPLAYERPLUGIN_H

#define C_AIPLAYERPLUGIN_H

// INCLUDES

#include <aicontentpublisher.h>

#include <aicontentobserver.h>

#include <aipropertyextension.h>

#include <aieventhandlerextension.h>

#include "aiplayerpluginengine.h"

#include "aiplayerpluginengineobserver.h"

class MAiPluginSettings;

class MAiContentObserver;

class MAiContentItemIterator;

class CCoeEnv;

/**

 *  Music Player Player Plugin.

 *  This class implements AI ecom plugin. This is the main interface to

 *  the XML AI framework.

 *

 *  @lib aiplayerplugin2.lib

 *  @since S60 5.0

 */

NONSHARABLE_CLASS( CAiPlayerPlugin ) : public CAiContentPublisher,

                                       public MAiPropertyExtension,

                                       public MAiEventHandlerExtension,

                                       public MAiPlayerPluginEngineObserver

    {

public: // Constructors and destructor

    /**

     * Two-phased constructor.

     */

    static CAiPlayerPlugin* NewL();

    /**

     * Destructor.

     */

    virtual ~CAiPlayerPlugin();

public:

    /**

     * From CAiContentPublisher

     * See aicontentpublisher.h for detailed description.

     * @since S60 5.0

     */

    void Resume( TAiTransitionReason aReason );

    void Suspend( TAiTransitionReason aReason );

    void Stop( TAiTransitionReason aReason );

    void SubscribeL( MAiContentObserver& aObserver );

    void ConfigureL( RAiSettingsItemArray& aSettings );

    TAny* Extension( TUid aUid );

    /**

     * From MAiPropertyExtension

     * See aipropertyextension.h for detailed description.

     * @since S60 5.0

     */

    TAny* GetPropertyL( TInt aProperty );

    void SetPropertyL( TInt aProperty, TAny* aValue );

    /**

     * From MAiEventHandlerExtension

     * See aieventhandlerextension.h for detailed description.

     * @since S60 5.0

     */

    void HandleEvent( TInt aEvent, const TDesC& aParam );

    /**

     * From MAiPlayerPluginEngineObserver

     * See aiplayerpluginengine.h for detailed description.

     * @since S60 5.0

     */

    void PlayerStateChanged( TMPlayerState aState );

    void TrackInfoChanged( const TDesC& aTitle, const TDesC& aArtist );

    void PlaybackPositionChanged( TInt aPosition );

    void VolumeChanged( TInt aVolume );

private:

    CAiPlayerPlugin();

    void ConstructL();

    /**

     * Helper class for HandleEvent received from MAiEventHandlerExtension

     */

    void DoHandleEventL( TInt aEvent, const TDesC& aParam );

    /**

     * Callback function invoked through iCleanTimer upon timeout.

     */

	static TInt ClearL( TAny* aPtr );

private:     // Data

    RPointerArray<MAiContentObserver>   iObservers;

    TAiPublisherInfo                    iInfo;

    MAiContentItemIterator*             iContent;

    MAiContentItemIterator*             iResources;

    MAiContentItemIterator*             iEvents;

    CAiPlayerPluginEngine*              iEngine;

    TMPlayerState          				iState;

    TBuf<128>                           iDuration;

    TBuf<128>                           iElapsedTime;

    HBufC*                              iLongFormatString;

    HBufC*                              iShortFormatString;

    HBufC*                              iUnknownArtistText;

    TInt                                iResourceOffset;

    CCoeEnv*                            iCoeEnv;                // Not owned

    TBool 								iPlayStarted;

    CPeriodic*  						iCleanTimer;

    TInt                                iLastSetVolume;

    };

#endif  // C_AIPLAYERPLUGIN_H