/*

* Copyright (c) 2005-2006 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:  Wrapper class for CEikLabel.

*

*/

#ifndef _XNTEXTADAPTER_H

#define _XNTEXTADAPTER_H

//  INCLUDES

#include "xncontroladapter.h"

#include <e32base.h>

#include <eiklabel.h>

#include <AknPictographDrawerInterface.h> // for japanese variants

// FORWARD DECLARATIONS

class CXnNodePluginIf;

class CAknPictographInterface;

// CLASS DECLARATION

/**

*  @ingroup group_xntextfactory

*  @lib xn3textfactory.lib

*  @since Series 60 3.1

*/

class CXnTextAdapter : public CXnControlAdapter,

					   public MAknPictographAnimatorCallBack

   {

public:

	/**

	 * 2 phase construction.

	 */

	static CXnTextAdapter* NewL(CXnControlAdapter* aParent, CXnNodePluginIf& aNode);

	/**

	 * Destructor.

	 */

	virtual ~CXnTextAdapter();

public: // New functions

    /**

     * Sets the new content to the underlying CEikLabel

     * @param aText The new content

     */

	void SetTextL(const TDesC& aText);

	/**

	 * Returns the text contained in the underlying CEikLabel

	 * @return TDesC* The text

	 */

	const TDesC* Text() const;

public: // from base classes

	TInt CountComponentControls() const;

	CCoeControl* ComponentControl(TInt aIndex) const;

    virtual void SizeChanged();

    virtual void SkinChanged();

    /**

    * From CXnControlAdapter Handles the property changes.

    * @since Series 60 3.1

    * @return void.

    */  

    void DoHandlePropertyChangeL(CXnProperty* aProperty = NULL); 

    /**

    * From CCoeControl Handles the resource change.

    * @since Series 60 3.1

    * @param aType A type of the resource change

    * @return void.

    */

    void HandleScreenDeviceChangedL();

    /**

    * See CCoeControl documentation

    */    	

    void HandlePointerEventL( const TPointerEvent& aPointerEvent );

    /**

    * See MAknPictographInterface documentation

    */

    void DrawPictographArea();

    /**

    * See CXnControlAdapter documentation

    */    	   

    TSize MeasureAdaptiveContentL( const TSize& aAvailableSize );

private:

	CXnTextAdapter(CXnControlAdapter* aParent, CXnNodePluginIf& aNode);

	void ConstructL();

	void ConstructTextL();

    virtual void Draw(const TRect& aRect) const;

    void UpdateBackgroundL() const;

    void DrawBackground(const TRect& aRect, CWindowGc& aGc) const;

    TInt RestrictSizeL();

    void SetLineSpacingL( TInt aReference );

    TSize MeasureTextL( const TSize& aAvailableSize );

    void UpdateTextL( const TDesC* aText );

    void UpdateTextL( const TDesC8& aText );

	/**

	 * Sets text properties, such as color, font, etc.

     * @param aNode UI node

     * @return ETrue if text needs reconstruction, EFalse otherwise

	 */

	TBool SetTextPropertiesL( CXnNodePluginIf& aNode );	

   	/**

    * Same as SizeChanged(), but this is an L function.

    */

    void SizeChangedL();

private:

    CEikLabel*                  iLabel;         // Label to draw text    

    CXnControlAdapter*  		iParent;        // Parent control, not owned

    CXnNodePluginIf&    		iNode;          // UI node, not owned

    CFont*              		iFont;          // Used font, owned    

    TBool               		iReleaseFont;   // Whether the font needs to be released or not.

    TUint8               		iFlags;         // Flags for text properties

    CAknPictographInterface* 	iPictographInterface; // Pictograph interface.    

    CWindowGc*					iGc;            // Window graphics context. Not own.

    mutable CFbsBitmap*			iBackgroundBitmap; // Pointer to background bitmap. Own.

    TInt                        iMaxLines;      //Max lines for wrapped text string    

    HBufC*                      iText;    

   };

#endif      // XNTEXTADAPTER_H

// End of File