/*

* Copyright (c) 2003 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:   Definitions screensaver moving text display class.

*

*/

#ifdef USE_DATE_AND_TEXT

#ifndef C_SCREENSAVERCTRLMOVINGTEXT_H

#define C_SCREENSAVERCTRLMOVINGTEXT_H

#include <AknPictographInterface.h>

#include "screensaverbase.h"

const TInt KScreensaverDataReconnectingDelay = 50000;

const TInt KScreensaverBarHeight = 24;

//

// class CScreensaverCtrlMovingText

//

class CScreensaverCtrlMovingText : public CScreensaverBase

    {

public:

    /**

    * Two-phased constructor

    * 

    * @param aType the type of display object  

    * @return CScreensaverCtrlMovingText the pointer of CScreensaverCtrlMovingText 

    * object

    */

    static CScreensaverCtrlMovingText* NewL( TDisplayObjectType aType );

     /**

     * Destructor.

     */

    ~CScreensaverCtrlMovingText();

public:

    // From CCoeControl

    /** 

    * Resource change handling  

    */

    virtual void HandleResourceChange( TInt aType );

    /**

    * Responds to changes to the size and position of the contents 

    * of this control.  

    */

    virtual void SizeChanged();

    /**

    * Drawing (override this to draw)

    */

    virtual void Draw( const TRect& aRect ) const;

public:

    // Implemented here instead of shareddatainterface

    /**

    * Set moving bar on / off

    * 

    * @param aMove a bool type to decide if it can move or not

    */

    void SetMoving( TBool aMove = ETrue );

    /**

    * Start the control needed timer

    */

    void StartTimer();

    /**

    * Cancels the timer

    */

    void CancelTimer();

    /**

    * Clear the screen

    */

    void ClearScreen();

    /*

    * Refresh the display 

    */

    void Refresh();

protected:

    /**

    * Constructor

    * 

    * @param aType the type of the display object.  

    */

    CScreensaverCtrlMovingText( TDisplayObjectType aType );

    /**

    * Two-phased constructor  

    */

    void ConstructL();

    /**

    * Draw the object on the screen of this type  

    * 

    * @param aGc the CWindowGc object 

    * @param aRect

    */

    virtual void DrawNew( CWindowGc& aGc, const TRect& aRect ) const;

    /**

    * Draw the date on the bar

    */

    virtual void DrawText( CWindowGc& aGc ) const;

    /**

    * Draws text with pictographs  

    */

    void DrawPictoText( CWindowGc &aGc ) const;

    /**

    * Get the current time  

    */

    void UpdateCurrentTimeL();

    /**

    * Generate the screensaver bar

    */

    void GenerateDisplayAttributesForScreensaverBar();

private:

    /**

    * Get the random top value  

    * 

    * @return TInt the random value

    */

    void GetRandomTopValue( TInt aBarHight );

    /**

    * Get the random seed

    */

    TInt RandomSeed();

    /**

    * Get the text and background color

    */

    void GetTextAndBgColor();

    /**

    * Format the display text

    */

    void FormatTextL( TDes& aText, const TDesC& aFormat );

    /**

    * Set AmPm text payload to indicator

    */

    void SetAmPmIndicatorPayloadL();

    /**

    * Format the data and time text

    */

    void FormatTextFromResourceL( TDes &aDes, TInt aResourceId );

    /**

    * Get the clock area and text layout

    */

    void GetClockLayout( const TRect& aRect );

    /**

    * Get the date area and text layout

    */

    void GetDateLayout( const TRect& aRect );

    /**

    * Get the indicator area and text layout

    */

    void GetIndicatorAreaLayout( const TRect& aRect );

    /**

    * Start the indicator bar refresh timer

    */

    void StartBarRefreshTimer();

protected://data

    /**

    * The layout date and text  

    */

    TAknLayoutText iLayoutDateText;

private://data

    /**

    * The top position of the bar 

    */

    TInt iTop;

    /**

    * The random seed to get the random value   

    */

    TInt64 iRandSeed;

    // For new layout    

    /**

    * The time string that will be displayed on the bar  

    */

    TBuf<15> iTextTime;    

    /**

    * The date string that will be displayed on the bar  

    * or he text will be display the on the bar

    */

    TBuf<25> iText;

    /**

    * The type of the display text  

    */

    TDisplayObjectType iType;

    //Lay out

    TAknLayoutRect iLayoutBar;

    TAknLayoutRect iLayoutClock;

    TAknLayoutRect iLayoutDate; // missing

    TAknLayoutText iLayoutClockText;

    TAknLayoutText iLayoutAmPmText;

    // Moving bar on / off

    TBool iMoveBar;

    /**

    * The color for background and text

    */

    TInt iBgColor;

    TInt iTextColor;

    TInt iTextBgColor;

    /**

    * The indicator bar refresh timer

    */

    CPeriodic* iBarRefreshTimer;

    /**

    * Pictograph drawing interface 

    */

    CAknPictographInterface* iPictoI;

    };

#endif // C_SCREENSAVERCTRLMOVINGTEXT_H

#endif // USE_DATE_AND_TEXT

// End of file.