/*

* 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:    Dialog class for fetcher plugin app

*

*/

#ifndef GLXFETCHERDIALOG_H_

#define GLXFETCHERDIALOG_H_

//  EXTERNAL INCLUDES

#include <AknDialog.h>  		        // for CAknDialog

#include <glxfilterfactory.h>         	// CMPXFilter

#include <coedef.h>

#include <alf/alfscreenbuffer.h>

#include "mglxeventobserver.h"

// Forward Declerations

class CGlxFetcherContainer;

class CGlxUiUtility;

class MMGFetchVerifier;

class CAlfEnv;

//  INTERNAL INCLUDES

NONSHARABLE_CLASS (CGlxFetcherDialog) : public CAknDialog ,

                                        public MGlxEventObserver

	{

	 public:  // Constructors and destructor

		/**

		* Two-phased constructor.

		* @param reference to an array where the selected files are set

        * @param selection verifier interface

        * @param filtertype, either images or videos

        * @param the title for the dialog

		*/

        static CGlxFetcherDialog* NewL(

            CDesCArray& aSelectedFiles, 

            MMGFetchVerifier* aVerifier,

            TGlxFilterItemType aFilterType,

            const TDesC& aTitle,

            TBool aMultiSelectionEnabled);

        /**

        * Destructor.

        */

        ~CGlxFetcherDialog();

	public: // from MEikCommandObserver

		/**

		* @ref MEikCommandObserver

		*/

		void ProcessCommandL(TInt aCommandId);

    protected: // Functions CEikDialog

        /**

         * @ref CEikDialog

         */

        TBool OkToExitL(TInt aKeycode);

        /**  

         *   From MEikMenuObserver

         */

        void  DynInitMenuPaneL (TInt aResourceId, CEikMenuPane *aMenuPane) ;

	protected: // From CAknDialog

        /**  

         *   From MEikMenuObserver

         */

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

	private:

		/**

        * Symbian 2nd phase constructor

		*/

        void ConstructL();

        /**

        * C++ default constructor.

        */

        CGlxFetcherDialog(

            CDesCArray& aSelectedFiles, MMGFetchVerifier* aVerifier,

            TGlxFilterItemType aFilterType, const TDesC& aTitle, 

            TBool aMultiSelectionEnabled);

	private: // from CCoeControl

		/**

		* @ref CCoeControl::SizeChanged

		*/

		void SizeChanged();

	private:	

        /**

        * Initializes the dialog's controls before the dialog is sized and 

        * layed out.

        */

		void PreLayoutDynInitL();

        /**

         * Initializes the dialog's controls after the dialog has been sized 

         * but before it has been activated.

         */

		void PostLayoutDynInitL();

    private: // from MEikDialogPageObserver

        /**

         * @ref MEikDialogPageObserver::CreateCustomControlL

         */

        SEikControlInfo CreateCustomControlL(TInt aControlType);

    private: // CAknDialog

        void HandlePointerEventL(const TPointerEvent& aPointerEvent);

    private:// From MGlxEventObserver

        virtual void HandleDoubleTapEventL(TInt aCommandId);          

	public:// to exit the fetcher dialog 

		void CallCancelFetcherL(TInt aCommandId);

    private:

        CGlxFetcherContainer* iFetcherContainer ;              //Container Object

        CGlxUiUtility* iUiUtility;                             // UiUtility

        CAlfEnv* iEnv;                                         // Alf Environment

        // Selected items array

        // Not Own. Owned by the client

        CDesCArray& iSelectedFiles;

        MMGFetchVerifier* iVerifier;

        TGlxFilterItemType iFilterType;                         // GlxFilterType 

        /// Ref: the title

        const TDesC& iTitle;

        TBool iMultiSelectionEnabled;

        // Flag to check for mark started or not

        TBool iMarkStarted;

        TBool iFetchUri;                                        // This is to check if uri is being fetcher or not

	};

#endif /*GLXFETCHERDIALOG_H_*/