/*

* Copyright (c) 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:

* Declares portal button for WidgetManager

*

*/

#ifndef ___WMPORTALBUTTON_H__

#define ___WMPORTALBUTTON_H__

#include <aknbutton.h>	// CAknButton

#include "wmimageconverter.h"

#include "wmcommon.h"

// FORWARD DECLARATIONS

class CWmMainContainer;

class CFbsBitmap;

/**

 * Portal button ( ovi, operator ) class for Wm

 * 

 * @class   CWmPortalButton wmportalbutton.h

 */

NONSHARABLE_CLASS( CWmPortalButton ) : public CAknButton,

                                       public MConverterObserver,

                                       public MCoeControlObserver

    {

public:

    /*

     * Two-phased constructor.

     * 

     * @param aParent button title text

     * @param aPortalButtonIndex index of this button (0 or 1)

     */

    static CWmPortalButton* NewL(

            const CCoeControl* aParent,

            TInt aPortalButtonIndex = 0 );

    /** Destructor */

    virtual ~CWmPortalButton();

public: // Functions from base class

    /*

     * Draws the control.

     * 

     * @see CCoeControl::Draw

     */

    void Draw( const TRect& /*aRect*/ ) const;

    /**

     * Sets the control's extent, specifying a rectangle.

     * 

     * @see CCoeControl::SizeChanged

     */

    void SizeChanged();

    /**

     * Executes action for button pressed

     */

    void ExecuteL();

protected: // from MConverterObserver

    /** image conversin completed */

    void NotifyCompletion( TInt aError );

protected: // from MCoeControlObserver

    /** Observes the button's own activity  */

    void HandleControlEventL( CCoeControl* aControl, TCoeEvent aEventType );

protected: // Constructors

    /** Constructor for performing 1st stage construction */

    CWmPortalButton( const TInt aFlags,

            TInt aPortalButtonIndex );

    /** 2nd phase constructor */

    void ConstructL( 

            CWmMainContainer* aParent,

            const TDesC& aText = KNullDesC,

            const TDesC& aIcon = KNullDesC );

private:

    /** size of button icon, defined in the layout */

    TSize LayoutIconSize() const;

    /** Draws text over button */

    void DrawText( CWindowGc& aGc,

                   const TDesC& aText, 

                   TAknTextComponentLayout& aLayout,

                   TInt aMargin ) const;

private: //data members

    /**

     * the image converter utility

     */    

    CWmImageConverter*  iImageConverter;

    /**

     * Parent control

     */ 

    CWmMainContainer* iWmMainContainer;

    /** 

     * Button index

     */ 

    TInt iPortalButtonIndex;

    /** icon */

    CFbsBitmap* iButtonIcon;

    /** icon mask */

    CFbsBitmap* iButtonIconMask;

 	};

#endif //___WMPORTALBUTTON_H__

// End of File