/*

* Copyright (c) 2008-2009 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:    Progressdialog

*

*/

#ifndef GLXPROGRESSINDICATOR_H_

#define GLXPROGRESSINDICATOR_H_

#include <e32base.h>

#include <AknWaitDialog.h>

class CAknProgressDialog;

class CEikProgressInfo;

class CGlxUiUtility;

class MDialogDismisedObserver

    {

public:

    virtual void HandleDialogDismissedL() = 0;

    };

class CGlxProgressIndicator : public CBase, public MProgressDialogCallback

    {

public:

    IMPORT_C static CGlxProgressIndicator* NewL(

            MDialogDismisedObserver& aGlxGridViewNotifyObserver);

    ~CGlxProgressIndicator();

    /**

     * dismiss progress dialog when it is needed

     */

    IMPORT_C void DismissProgressDialog();

    /**

     * Show progressbar dialog

     */

    IMPORT_C void ShowProgressbarL();

    /**

     * Start or stop the TN daemon

     * @param aStatus The foreground status

     */

    IMPORT_C void ControlTNDaemon(TBool aStatus);

public:

    // Callback for periodic timer, static, 

    static TInt PeriodicCallbackL(TAny* aPtr);

    //nonstatic func called from periodic timer

    void DisplayProgressBarL();

protected:

    //MProgressDialogCallback

    void DialogDismissedL(TInt aButtonId);

private:

    static CGlxProgressIndicator* NewLC(

            MDialogDismisedObserver& aGlxGridViewNotifyObserver);

    CGlxProgressIndicator(

                    MDialogDismisedObserver& aGlxGridViewNotifyObserver);

    void ConstructL();

    /**

     * show the progress bar

     * @param aFinalValue Sets the final value of the bar

     * @param aShow hide/display the progress bar 

     */

    void StartProgressNoteL(TInt aFinalValue, TBool aShow);

    /**

     * displays the increment of progress bar

     */

    void UpdateProgressBar();

    /**

     * calculates how much increment to be done in progress bar

     * @return increment value

     */

    TInt CalculateDisplayBarIncrement();

private:

    //Progress bar updation ticker

    CPeriodic* iProgressbarTicker;

    //Progress bar

    CAknProgressDialog* iProgressDialog;

    //Progress info

    CEikProgressInfo* iProgressInfo;

    //final count to set in progress bar

    TInt iFinalCount;

    MDialogDismisedObserver& iGlxGridViewNotifyObserver;

    CGlxUiUtility* iUiUtility;

    };

#endif /* GLXPROGRESSINDICATOR_H_ */