/*

* 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:    Container class for fetcher plugin

*

*/

#ifndef GLXFETCHERCONTAINER_H_

#define GLXFETCHERCONTAINER_H_

// INCLUDES

// Photos Headers

#include <mglxmedialistprovider.h>

#include <glxmedialistiterator.h>                       // Interface for going through items in

#include <glxmedialistfactory.h>                        // MGlxMediaListFactory

// Ganes Headers

#include <ganes/HgScrollBufferObserverIface.h>          // HG Scrollbuffer interface

#include <ganes/HgSelectionObserverIface.h>             // HG Selection Observer interface

#include <ganes/HgMarkingObserverIface.h>

// User Includes

#include "mglxtitleobserver.h"                          // Title observer

// FORWARD Declaration

class MGlxMediaList;

class MGlxEventObserver;

class CGlxFetcherCommandHandler;

class CGlxGridViewMLObserver;

class CGlxThumbnailContext;

class CHgGrid;

class CGlxUiUtility;

class CGlxDRMUtility;

/**

*  CGlxFetcherContainer

* 

*/

class CGlxFetcherContainer : public CCoeControl,

                             public MGlxTitleObserver,

                             public MGlxMediaListProvider,

                             public MHgScrollBufferObserver,

                             public MHgSelectionObserver,

                             public MHgMarkingObserver

    {

public:

    /**

     * Two-phase constructor NewL

     *

     * @param aFilterType the filter item type

     * @param aTitle the title

     */

	static CGlxFetcherContainer* NewL(

	    TGlxFilterItemType aFilterType ,const TDesC& aTitle, 

	                MGlxEventObserver& aEventObserver, TBool aMultiSelectionEnabled );

	/** Destructor 

	 *

	 */

	~CGlxFetcherContainer();

    /** 

     *  RetrieveUrisL

     */

     TBool RetrieveUrisL( CDesCArray& aSelectedFiles,TBool& aFetchUri );

    /** 

     *  DoExecuteL

     */

     TBool DoExecuteL(TInt aCommandId);

     /** 

     *  OfferKeyEventL, from CCoeControl

     */

     TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType );	

     /** 

     *  CreateAndDisplayGridL

     */

     void CreateAndDisplayGridL( ); 

     /** 

      *  SetPreviousTitleL

      *  Sets the status pane title with what it was for the calling application

      */

     void SetPreviousTitleL();

     /** 

      *  SetFileAttached

      *  Sets the File attached flag.

      */

     void SetFileAttached(TBool aIsFileAttached);

public:     

     /** 

      *  HandleSizeChange

      */

     void HandleSizeChangeL ( );

     /*

      * MopSupplyObject

      * Framework call for the skin updates 

      */

     TTypeUid::Ptr MopSupplyObject(TTypeUid aId);

public:// From MGlxTitleObserver

    void UpdateTitleL();	      

public:

    MGlxMediaList& MediaList();

protected: // from MHgScrollBufferObserver

    void Request(TInt aRequestStart, TInt aRequestEnd, THgScrollDirection aDirection);

    void Release(TInt aReleaseStart, TInt aReleaseEnd);

protected: // from MHgMarkingObserver

    void HandleMarkingL( TInt aIndex, TBool /*aMarked*/ );

protected: // from MHgSelectionObserver

    void HandleSelectL( TInt aIndex );

    void HandleOpenL( TInt aIndex );

private:

    /** CreateMediaListL

     *  This function creates the collection path filter and finally the MediaList 

     */

    void CreateMediaListL();

    /** 

     *  2nd phase Constructor

     */

	void ConstructL();

    /** 

     *  Constructor

     */

	CGlxFetcherContainer( TGlxFilterItemType aFilterType, const TDesC& aTitle ,

	        MGlxEventObserver& aEventObserver, TBool aMultiSelectionEnabled);

    /** 

     *  SetTitleL

     */

    void SetTitleL(const TDesC& aTitleText);

    /** 

     *  Create Grid Widget

     */

	void CreateHgGridWidgetL();

    /** 

     *  Create The Medialist observer 

     *  An interface required for the HG Grid data updates with the photos data 

     *  Taken from GlxGridview

     */

	void CreateGridMediaListObserverL();

	/*

	 * HandleMultipleMarkingL

	 * To handle multiple marking, if marked then unmark, else vice versa

	 */

	void HandleMultipleMarkingL(TInt aIndex);

    /**

     * Set the Icons

     */

    void SetIconsL(TInt index);

    /**

     * This doesnt add up any value to the code, just to satisfy the compiler

     */

    void RequestL(TInt aRequestStart, TInt aRequestEnd);

private:

    MGlxMediaList* iMediaList;				    // MGlxMedialist , to Create MediaList

    CHgGrid* iHgGrid;                           // HGGrid 

    CGlxGridViewMLObserver* iGlxGridMLObserver; // Medilaist observer from GlxGridview

    // Iterator 

    TGlxFromManualIndexBlockyIterator iBlockyIterator; 

    CAknsBasicBackgroundControlContext* iBgContext; //Own for background context

	TGlxFilterItemType iFilterType;             // Filtertype, Image /Video

    const TDesC& iTitle;                        // To Store the title 

    HBufC* iPreviousTitle;                      // Previous Title

    // CommandHandler to handle marking for multiple fetcher 

    // (Owned)

    CGlxFetcherCommandHandler* iFetcherCommandHandler;

    MGlxEventObserver& iEventObserver;              // Event Observer to pass doubletap event to dialog

    // Thumbnail context

    CGlxThumbnailContext* iThumbnailContext;

    TBool iMultiSelectionEnabled;                   // Flag to notify if multiple fetcher called

    TBool iMultipleMarkNotStarted;                  // Multiple mark started flag

    CGlxUiUtility* iUiUtility;

    // Provides DRM related functionality

    CGlxDRMUtility* iDRMUtility;

    // Grid Icon size from FS view

    TSize iGridIconSize;

    //Is File Attached

	TBool iIsFileAttached;

    };

#endif /*GLXFETCHERCONTAINER_H_*/