/*

* Copyright (c) 2002-2007 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 battery strength indicator on the

*                status pane's battery pane.

*

*/

#ifndef AKNBATTERY_H

#define AKNBATTERY_H

#include <coecntrl.h>

class CEikImage;

class CAknBatteryIcon;

class CAknBatteryStrength;

class CAknBatteryDataObserver;

/**

* A default control in the status pane's battery pane. 

* The control draws battery strength indicator graphics.

*/

class CAknBatteryPane : public CCoeControl

    {

public:

    /**

    * Constructor.

    */

    IMPORT_C CAknBatteryPane();

    /**

    * Destructor.

    */

    IMPORT_C ~CAknBatteryPane();

    /**

    * Resource constructor.

    * @param aReader Resource reader.

    */

    IMPORT_C void ConstructFromResourceL(TResourceReader& aReader);

    /**

    * Sets battery strength value to the battery indicator.

    * @param aLevel Battery strength value ( 0 - 7 ).

    */

    IMPORT_C void SetBatteryLevel(TInt aLevel);

    /**

    * Gets battery strength value from the battery indicator.

    * @return Battery strength value ( 0 - 7 ).

    */

	TInt BatteryLevel();

    /**

    * Sets battery recharging animation on/off.

    * @param aRecharging ETrue if animation is to be shown.

    */

    void SetRecharge(TBool aRecharging);

    /**

    * Tells if battery recharging animation is on/off.

    * @return ETrue if animation is to be shown.

    */

	TBool Recharging();

	/**

    * Gets the battery state value from the battery indicator.

    * @return  Battery state value.

    */

    TInt BatteryState();

    /**

    * Sets the battery state value for the battery indicator.

    * @param  aState  Battery state value.

    */

    void SetBatteryStateL( TInt aState );

protected: // From CCoeControl

    /**

    * From CCoeControl. Handle the size change events.

    */

    IMPORT_C void SizeChanged();

    /**

    * From CCoeControl. Handle the position change events.

    */

	IMPORT_C void PositionChanged();

    /**

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

	 * which are shared across the environment.

	 * @param aType Event type.

	 */

    IMPORT_C void HandleResourceChange( TInt aType );

    /**

    * From CCoeControl. Returns number of controls inside the context pane control.

    * @return Number of component controls.

    */

    IMPORT_C TInt CountComponentControls() const;

    /**

    * From CCoeControl. Returns a control determined by control id.

    * @param anIndex Index of a control to be returned.

    * @return Pointer to control

    */

    IMPORT_C CCoeControl* ComponentControl(TInt aIndex) const;

public:

    /**

    * From CCoeControl. Handles pointer event

    * @param aPointerEvent Pointer event to be handled

    */

	void HandlePointerEventL(const TPointerEvent& aPointerEvent);

private:

    /**

    * From CAknControl

    */

    IMPORT_C void* ExtensionInterface( TUid aInterface );

private:

    IMPORT_C void ConstructL();

private: // From CCoeControl

    IMPORT_C virtual void Draw(const TRect& aRect) const;

private:

    void DrawInNormalStatusPane(const TRect& aRect) const;

    void DrawInFlatStatusPane(const TRect& aRect) const;

    void DrawInStaconPane(const TRect& aRect) const;

    void SetContainerWindowNonFading(TBool aNonFading);

	static TInt TickerCallback(TAny* aThis);

	TInt DoTick();

private:

    CAknBatteryIcon*         iBatteryIconControl;

    CAknBatteryStrength*     iBatteryStrengthControl;

    TInt                     iPrivateFlags;

    TInt                     iBatteryLevel;    

    CAknBatteryDataObserver* iDataObserver;

    CPeriodic* 			     iTicker;

    TBool                    iIsActiveIdle;

    };

#endif // AKNBATTERY_H