/*

* Copyright (c) 2008-2009 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:    Implementation class for details data provider

*

*/

#ifndef _GLXDETAILSMULMODELPROVIDERIMPL_H_

#define _GLXDETAILSMULMODELPROVIDERIMPL_H_

#include "glxmulmodelproviderbase.h"            // Dataprovider base

#include "mglxbindingobserver.h"                // Notifies that binding has changed

// Forward declarations

class TGlxMulBindingSetFactory;                 // Create binding set

class CGlxAttributeRequirements;                // This class will set the required attribute to the medialist

class CAlfEnv;                                  // This is the UI Accelerator Toolkit environment object

class CEikMenuPane;                             // Menu panes are opened by activating the menu title

class CGlxBinding;                              // This class holds the bindings required to populate the visual item

/** Error Id EMPY-7MKDHP **/

class MGlxMetadataDialogObserver ;				// call back to  details dailog

namespace Alf

    {

    class IMulWidget;                           // An interface for all Multimedia widgets

    }

/**

 * CGlxDetailsMulModelProviderImpl 

 * This is the implementation class of details data provider

 */

NONSHARABLE_CLASS( CGlxDetailsMulModelProviderImpl ) : public CGlxMulModelProviderBase,

														public MGlxBindingObserver

    {

public:

	/** Constructor

 	 * @param aEnv Env variable of ALF

   	 * @param aWidget Alf Widget type

 	 * @param aMediaList medialist from which attributes to be fetched

 	 * @param aDefaultTemplate Template that will be set to model

 	 */

	static CGlxDetailsMulModelProviderImpl* NewL(

	    CAlfEnv& aEnv, 

    	Alf::IMulWidget& aWidget,

    	MGlxMediaList& aMediaList,

    	Alf::mulwidget::TLogicalTemplate aDefaultTemplate,

    	TInt aDataWindowSize );

    /**

	 * ConstructL

	 * @param aEnv Alf environment

	 * @param aDefaultTemplate The default template of the widget

	 */

    void ConstructL(

        CAlfEnv& aEnv,

        Alf::mulwidget::TLogicalTemplate aDefaultTemplate,

        TInt aDataWindowSize );

    /**

	 * Destructor

	 */

    ~CGlxDetailsMulModelProviderImpl();

	/**

	 * This Api uses the binding set factory to create the binding set 

	 * @param aFactory factory instance

	 */

   void AddEntryL( const TGlxMulBindingSetFactory& aFactory );

    /// the ModelProvider will be calling this , change the comments

	/**

	 * OfferCommandL

	 * This will be called from details provider whenever there is an event (for example: navi key pressed ) 

	 * @param aCommandId Id of the command that is about to be executed

	 */

    TBool OfferCommandL( TInt aCommandId );

	/**

	 * InitMenuL

	 * This will determine what options to be present in menu pane

	 * @param aMenu The menu pane to edit

	 */

    void InitMenuL( CEikMenuPane& aMenu );

    /**

     * HideLocationMenuItem

     * @param aMenu The menu pane to edit

     */

    void HideLocationMenuItem( CEikMenuPane& aMenu ); 

    /**

     * EnableMskL

     * This will change the middle softkey as per the focussed item

     */

    void EnableMskL();

     /**

     * SetDetailsDailogObserver

     * This will set the details dailog observer

     */

     /** Error Id EMPY-7MKDHP **/

    void SetDetailsDailogObserver( MGlxMetadataDialogObserver& aObserver ) ;

private:

	/**

	 * Constructor

	 * @param aWidget Alf Widget type

	 */

	CGlxDetailsMulModelProviderImpl(

	    Alf::IMulWidget& aWidget, 

	    MGlxMediaList& aMediaList,

		Alf::mulwidget::TLogicalTemplate aDefaultTemplate,

		TInt aDataWindowSize);

	// From MGlxBindingObserver

	void HandleBindingChanged( const CGlxBinding& aBinding );

	// From CGlxMulModelProviderBase

	void HandleFocusChanged( TInt aNewFocus, TInt aPreviousFocus );

	// From MGlxMediaListObserver

    void HandleAttributesAvailableL( TInt aIndex, 

        const RArray<TMPXAttribute>& aAttributes, MGlxMediaList* aList );

	void HandleItemAddedL(TInt aStartIndex, TInt aEndIndex,

                                  MGlxMediaList* aList);        

	void HandleError( TInt aError );

	void HandleCommandCompleteL( TAny* aSessionId, CMPXCommand* aCommandResult, 

	    TInt aError, MGlxMediaList* aList );

    // From IMulModelProvider

   void  ProvideData (int aIndex, int aCount, Alf::MulDataPath aPath);

	/**

	 * HasCommandL

	 * This will check weather command is present in menu pane

	 * @param aMenuPane The menu pane 

 	 * @param aCommandId the command in menu pane 

	 */

   TBool HasCommandL( CEikMenuPane& aMenuPane, const TInt aCommandId );

    /**

    * Helper function used be HandleError

    * @param aError the error code to handle.

    */

   void DoHandleErrorL( TInt /*aError*/ );

private:

	// medialist not owned

	MGlxMediaList& iMediaList;

	//Array of Bindings owned

	RPointerArray< CGlxBinding > iEntries;

    //Fetch context

    CGlxAttributeRequirements* iAttributeRequirements;

    };

#endif // _GLXDETAILSMULMODELPROVIDERIMPL_H_