/*

* Copyright (c) 2004-2006 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:  Control to show signal strength indicator on the

*                status pane's signal pane.

*

*/

#ifndef AKNSIGNALSTRENGTH_H

#define AKNSIGNALSTRENGTH_H

#include <coecntrl.h>

/**

* A signal icon control in the status pane's signal pane

* The control draws signal icon indicator graphics.

*/

NONSHARABLE_CLASS(CAknSignalStrength) : public CCoeControl

	{

public:

    /**

    * Destructor

    */

    ~CAknSignalStrength();

	static CAknSignalStrength* NewL();

    static CAknSignalStrength* NewLC();

    void SetSignalLevel(TInt aLevel);

    TInt SignalLevel();

protected: // From CCoeControl

    /**

    * From CCoeControl. Handle the size change events.

    */

    void SizeChanged();

    /**

    * From CCoeControl. Handles the position change events.

    */

	void PositionChanged();

    /**

	 * Handles a change to the control's resources of type aType

	 * which are shared across the environment.

	 * @param aType Event type.

	 */

	void HandleResourceChange( TInt aType );

private: // From CCoeControl

    virtual void Draw(const TRect& aRect) const;

private:

    /**

    * Standard constructor

    */

    CAknSignalStrength();

    void LoadDefaultBitmapsL();

    void LoadStaconBitmapsL();

    void LoadFlatBitmapsL();

    void DeleteBitmaps();

    void DrawInNormalStatusPane(const TRect& aRect) const;

    void DrawInStaconPane(const TRect& aRect) const;

    void DrawInFlatStatusPane(const TRect& aRect) const;

private:

    TInt        iSignalLevel;

    TInt        iDefaultSignalBitmapOffset;

    TInt        iStaconSignalBitmapOffset;

    TInt        iFlatSignalBitmapOffset;

    CFbsBitmap* iDefaultSignalIndicatorBitmap;

    CFbsBitmap* iDefaultSignalIndicatorBitmapMask;

    CFbsBitmap* iDefaultNoSignalIndicatorBitmap;

    CFbsBitmap* iDefaultNoSignalIndicatorBitmapMask;

    CFbsBitmap* iStaconLeftSideSignalIndicatorBitmap;

    CFbsBitmap* iStaconLeftSideSignalIndicatorBitmapMask;

    CFbsBitmap* iStaconRightSideSignalIndicatorBitmap;

    CFbsBitmap* iStaconRightSideSignalIndicatorBitmapMask;    

    CFbsBitmap* iStaconNoSignalIndicatorBitmap;

    CFbsBitmap* iStaconNoSignalIndicatorBitmapMask;

    CFbsBitmap* iFlatSignalIndicatorBitmap;

    CFbsBitmap* iFlatSignalIndicatorBitmapMask;

    CFbsBitmap* iFlatNoSignalIndicatorBitmap;

    CFbsBitmap* iFlatNoSignalIndicatorBitmapMask;

    TSize       iLastDefaultSize;

    TSize       iLastStaconSize;

    TSize       iLastFlatSize;

    };

#endif // AKNSIGNALSTRENGTH_H