/*

* Copyright (c) 2004 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:  Number entry activation control for 

*                Video Telephone application.

*

*/

#ifndef CVTUINUMBERENTRYACTIVATIONCONTROL_H

#define CVTUINUMBERENTRYACTIVATIONCONTROL_H

//  INCLUDES

#include    <coecntrl.h>

// FORWARD DECLARATIONS

class CVtUiAppUi;

// CLASS DECLARATION

/**

*  Number entry activation control for Video Telephone application.

*

*  @since Series 60 2.6

*/

class CVtUiNumberEntryActivationControl

    : public CCoeControl

    {

    public: // Constructors and destructor

        /**

        * C++ constructor.

        * @param aAppUi application ui.

        */

        CVtUiNumberEntryActivationControl( CVtUiAppUi& aAppUi );

        /**

        * Symbian constructor.

        * @param aRect initial area.

        */

        void ConstructL( const TRect& aRect );

        /**

        * C++ destructor.

        */

        ~CVtUiNumberEntryActivationControl();

    public: // Functions from base classes

        /**

        * @see CCoeControl::SizeChanged.

        */

        virtual void SizeChanged();

        /**

        * @see CCoeControl::PositionChanged.

        */

        virtual void PositionChanged();

        /**

        * @see CCoeControl::Draw.

        */

        virtual void Draw( const TRect& aRect ) const;

        /**

        * @see CCoeControl::OfferKeyEventL.

        */

        virtual TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent,

            TEventCode aType );

    public: // New functions

        /**

        * Set control's activation status.

        * @param aIsActive ETrue if key events should 

        * be handled oterherwise EFalse.

        */

        void SetActive( TBool aIsActive );

    private:

        /**

        * Checks if event should open number entry.

        * @param aKeyEvent event.

        * @param aDtmfTone event as character tone.

        * @return ETrue if number entry should be opened.

        */

        static TBool IsNumericEvent( 

            const TKeyEvent& aKeyEvent,

            TChar& aDtmfTone );

    private:

        // Reference to application ui.

        CVtUiAppUi& iAppUi;

        // ETrue if this control has been added to stack.

        TBool iAddedToStack;

        // ETrue if key events should be handled oterherwise EFalse.

        TBool iIsActive;

    };

#endif      // CVTUINUMBERENTRYACTIVATIONCONTROL_H

// End of File