/*

* Copyright (c) 2009-2009 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: UI status control

*

*/

#ifndef CCAPPSTATUSCONTROL_H_

#define CCAPPSTATUSCONTROL_H_

// INCLUDES

#include <coecntrl.h>

#include <spbcontentprovider.h>

// FORWARD DECLARATIONS

class CEikImage;

class CEikLabel;

class CFbsBitmap;

class CAknIcon;

class MVPbkContactLink;

class CAknsFrameBackgroundControlContext;

class MTouchFeedback;

// CLASS DECLARATION

/**

 * Class for observing click events to status control

 * 

 * since s60 9.2  

 **/

class MCCAStatusControlObserver

{

public:	

	virtual void StatusClickedL() = 0;

protected:

    virtual ~MCCAStatusControlObserver() {}

};

/**

 * Class implements the status control

 *

 *  @since S60 9.2

 */

NONSHARABLE_CLASS( CCCAppStatusControl ) : 

    public CCoeControl, 

    public MSpbContentProviderObserver 

    {

public: // Construction & destruction

    /**

     * Two-phased constructor.

     */

    /**

     * Destructor.

     */

    ~CCCAppStatusControl();

public: // New implementation

    /**

	 * Sets the link object 

	 * 

	 * @aLink Link to current contact

	 */

    /**

     * Change buttons state between pressed and released.

     * 

     * @param aPressed ETrue to make the button pressed

     */

    void SetPressed( TBool aPressed );

    /**

	 * 	 

	 * @aDefaultStatusIcon Default status icon

	 */

	 * Set the default status text 

	 * 	 

	 * @aDefaultStatusText Default status text

	 */

public: // From CCoeControl

    /**

     * From CCoeControl

     */

    TInt CountComponentControls() const;

    /**

     * From CCoeControl

     */

    CCoeControl* ComponentControl( TInt aIndex ) const;

    /**

     * From CoeControl

     */

    void SizeChanged();

    /**

     * From CoeControl

    void HandlePointerEventL( const TPointerEvent& aPointerEvent );

    /**

     * From CoeControl

    void SetContainerWindowL( const CCoeControl& aContainer );

    /**

     * From CoeControl

     */

    void Draw( const TRect& aRect ) const;

public: // From MSpbContentProviderObserver

    /**

     * From MSpbContentProviderObserver

     */

    void ContentUpdated( 

        MVPbkContactLink& aLink, 

        MSpbContentProviderObserver::TSpbContentEvent aEvent );           

private: // New functions    

    /**

     * Wraps the status text to fit into the space allocated for it.

     */

    TInt RewrapStatusTextL();

    /**

     * Show default status icon and text

     */

    void ShowDefaultContentL();

    /**

     * Handle status update event

     * 

     * @param aLink contact which has the status updated

     * @param aEvent 

     */

    void DoStatusUpdateL( 

        MVPbkContactLink& aLink, 

        MSpbContentProviderObserver::TSpbContentEvent aEvent );           

    void SetVariableLayouts( TInt aOption );

    inline void RewrapStatusTextToArrayL( 

            TDes& aStatusText, 

            CArrayFix<TPtrC>& aTxtArray );

protected: // construction

    /**

     * Constructor for performing 1st stage construction

     */

    CCCAppStatusControl( 

        CSpbContentProvider& aContentProvider, 

        MCCAStatusControlObserver& aObserver );

    /**

     * Constructor for performing 2nd stage construction

     */

    void ConstructL();

protected: // enums

    /**

     * Internal states

     */

    enum TStatusControlState

        {

        // Show nothing

        EStateUndefined,

        // Default content shown

        EStateDefaultContent,

        // Status content shown

        EStateStatusContent

        };

protected: // data

    /**

     * Own. Status service icon control

     */

    CEikImage* iStatusImage;

    /**

     * Own. Status text label control

     */

    CEikLabel* iStatusLabel1;

    CEikLabel* iStatusLabel2;

    /**

	* Own. The status service bitmap

	*/

    CGulIcon* iStatusIcon;

    /**

     * The status icon size on UI

     */

    TSize iStatusIconSize;

    /**

     * Own. Current status text

     */

    HBufC* iStatusText;

    /**

	 * Own. Default status text

	 */

	HBufC* iDefaultStatusText;

    /**

	* Ref, Not owned. Status provider for updating the status and icon.

	*/

	CSpbContentProvider& iContentProvider;

    /**

	* Observes clikcs to statustext

	*/    

    MCCAStatusControlObserver& iObserver;

    /// Own.

    MVPbkContactLink* iLink;             

    // Own.

    CGulIcon* iDefaultIcon;              

    /**

     * Own. Button background graphics context (button effect)

     */

    CAknsFrameBackgroundControlContext* iBgContext;

    /**

     * Flag for pressed down state

     */

    TBool iPressed;

    /**

     * Not own (singleton). Tactile feedback interface

     */

    MTouchFeedback* iTouchFeedBack;

    /*

     * Current control state.

     */

    TStatusControlState iState;

    };

#endif // CCAPPSTATUSCONTROL_H_