/*

* Copyright (c) 2010 Ixonos Plc.

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the "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:

* Ixonos Plc

*

* Description: 

* Dialog for clipart plugin.

*

*/

#ifndef CLIPARTSELECTIONDIALOG_H

#define CLIPARTSELECTIONDIALOG_H

#include <AknDialog.h>

#include <aknprogressdialog.h>

#include "clipartscaler.h"

#include "CallbackMethod.h"

// FORWARD DECLARATION

class CClipartSelectionGrid;

class CGulIcon;

class CDir;

class CAknIconArray;

class CClipartScaler;

class CObCallback;

class CClipartSelectionDialog : public CEikDialog, 

                                public MClipartScalerNotifier, 

                                public MProgressDialogCallback,

                                public MEikListBoxObserver,

                                public MObCallbackMethod

    {

    class TClipartListItem

        {

    public:

        TFileName iFilename;

        TInt iIndex;

        };

    typedef RArray<TClipartListItem> RClipartList;

    enum TState

        {

        EIdle,

        EScalingBitmap,

        EScalingMask

        };

public:

  	/** Constructor

	*

	*	@param aClipartFileName - Clipart filename

	*   @param aClipartFileNameIndex - Clipart filename index

	*	@return -

	*/

    CClipartSelectionDialog(TFileName& aClipartFileName, TInt& aClipartFileNameIndex);

  	/** Destructor

	*

	*	@param  -

	*	@return -

	*/

    virtual ~CClipartSelectionDialog();

  	/** ConstructL

	*

	*	Second phase constructor

	*

	*   @param aParent - Parent control

	*	

	*/

	void ConstructL(MCoeControlObserver* aParent);

    /** OkToExitL

    * 

    * From CAknDialog update member variables .

    * @param aButtonId The ID of the button that was activated.

    * @return Should return ETrue if the dialog should exit,

    *    and EFalse if it should not

    */

    TBool OkToExitL( TInt aButtonId );

	/**	SetBusy

	*

	* @param aBusy - Set control busy

	*

    */

    void SetBusy(TBool aBusy);

    /** SetSizeAndPosition

    *   

    *   @see CEikDialog

    *   

    */

	void SetSizeAndPosition( const TSize& /*aSize*/ );

    /** ClipartFilenameL

	*

    *   Get select clipart filename and index

    *

	*	@param aFilename - Clipart filename with full path

    *   @param aIndex    - Clipart index in the MBM file 

    *	@return -

	*/

    void ClipartFilenameL(TDes& aFilename, TInt& aIndex);

    /** ClipartScalerOperationReadyL

	*

    *   Called by the Clipart scaler when operation is ready

    *

	*	@see MClipartScalerNotifier

    *

	*/

    void ClipartScalerOperationReadyL(TInt aError) ;

    /** DialogDismissedL

    *   

    *   @see MProgressDialogCallback

    *   

    */

    void DialogDismissedL( TInt aButtonId );

    /**

    *   

    *   @see MObCallbackMethod

    *   

    */

    TBool CallbackMethodL( TInt aParam );

    /** PreLayoutDynInitL

    *   

    *   @see CEikDialog

    *   

    */

	void PreLayoutDynInitL();

    /** CreateCustomControlL

    *   

    *   @see CEikDialog

    *   

    */

	SEikControlInfo CreateCustomControlL(TInt aControlType);

	/** OfferKeyEventL

    *   

    *   @see CEikDialog

    *   

    */

	virtual TKeyResponse OfferKeyEventL (

        const TKeyEvent &   aKeyEvent,

        TEventCode          aType

        );  

	virtual void HandleDialogPageEventL(TInt /*aEventId*/);

	virtual void HandleListBoxEventL(CEikListBox* aListBox, TListBoxEvent aEventType);

	void HandleResourceChange(TInt aType);

private:

	/*	SetupGrid

	*

	*	Sets up grid every time the grid size changes.

	*

	*   @param -

	*   @return -

	*/

	void SetupGrid();

	/**	FindClipartsL

	*

	*	Find all cliparts in directories specified in the 

    *   resource file

	*

	*	@param -

	*	@return -

	*/

    void FindClipartsL();

    /** LoadBitmapsL

	*

    *   Loads clipart bitmap and mask

    *

    *   @param - 

    *	@return -

	*/

    void LoadBitmapsL();

    /** AddIconL

	*

    *   Adds icon to grid

    *

    *   @param - 

    *	@return -

	*/

    void AddIconL();

    /** ExternalizeIconArrayL

	*

    *   Externalize icon array

    *

    *   @param - 

    *	@return -

	*/

    void ExternalizeIconArrayL();

    /** InternalizeIconArrayL

	*

    *   Internalize icon array

    *

    *   @param - 

    *	@return -

	*/

    void InternalizeIconArrayL();

private:

    /// Selection grid

    CClipartSelectionGrid*  iGrid;

    TFileName&				iClipartFileName;

    TInt&					iClipartFileNameIndex;

    CAknIconArray* 			iIconArray;

    CDesC16Array*			iTextArray;

    CAknProgressDialog*     iProgressDialog;

    CClipartScaler*         iClipartScaler;

    RClipartList            iClipartList; 

    CObCallback*            iCallback;

    CFbsBitmap*             iCurrentBitmap;

    CFbsBitmap*             iCurrentMask;

    TInt                    iClipartGridCellWidth;

    TInt                    iClipartGridCellHeight;

    TInt                    iCurrentIcon;

    TInt                    iState;

    TBool                   iBusy;    

    TBool                   iDoubleClick;

    TBool                   iClick; 

    };

#endif

// End of File