/*

* Copyright (c) 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:

* CWmWidgetData declaration

*

*/

#ifndef WMWIDGETDATA_H

#define WMWIDGETDATA_H

// INCLUDES

#include <e32std.h>

#include <e32base.h>

#include <f32file.h>

#include <bamdesca.h>

#include <hscontentinfo.h>

#include "wmimageconverter.h"

// FORWARD DECLARATIONS

class CDictionaryFileStore;

class MWmWidgetDataObserver;

class CFbsBitmap;

class CHsContentInfo;

class CWmPersistentWidgetOrder;

class RWidgetRegistryClientSession;

// CLASS DECLARATION

/**

 * CWmWidgetData is a representation of a widget in CWmListBox. it

 * stores all data required for drawing the item in a list box, and

 * handling the list item.

 */

NONSHARABLE_CLASS( CWmWidgetData )

    , public MConverterObserver

    {

public: // types

    /** widget type */

    enum TWidgetType

            {

            EUnknown,

            ENative,

            ECps // wrt widgets included in this category

            };

public: // construction

    /**

     * static constructor

     * @param aHsContentInfo (takes ownership)

     * @param aRegistryClientSession (does not take ownership)

     */

            CHsContentInfo* aHsContentInfo,

            RWidgetRegistryClientSession* aRegistryClientSession );

    /**

     * static constructor, leaves object in cleanup stack

     * @param aHsContentInfo (takes ownership)

     * @param aRegistryClientSession (does not take ownership)

     */

            CHsContentInfo* aHsContentInfo,

            RWidgetRegistryClientSession* aRegistryClientSession );

    /** Destructor. */

    ~CWmWidgetData();

private: // private construction

    /** Constructor for performing 1st stage construction */

    /** 2nd phase constructor */

    void ConstructL(

            CHsContentInfo* aHsContentInfo,

            RWidgetRegistryClientSession* aRegistryClientSession );

    /**

     * Initialisation routine

     * called from ConstructL and whenever the content type changes

     */

    void InitL(

            CHsContentInfo* aHsContentInfo,

            RWidgetRegistryClientSession* aRegistryClientSession );

public: // external handles

    /** 

     * sets an observer for callbacks 

     *

     * @param aObserver notifications when changes occur in widget data

     */

    void SetObserver( MWmWidgetDataObserver* aObserver );

    /**

     * persistent widget order handle, which is used in comparing

     */

    void SetPersistentWidgetOrder(

            const CWmPersistentWidgetOrder* aPersistentWidgetOrder );

    /**

     * Init logo re-creation

     */

    void ReCreateLogo( const TSize& aSize );

    /**

     * Replaces the content of this widget data. The method is called

     * during widget update. If widget values change, a change event is

     * fired for the observer.

     * 

     * @param aHsContentInfo new content (takes ownership)

     * @return ETrue if content was changed

     */

    TBool ReplaceContentInfoL(

            CHsContentInfo* aHsContentInfo );

public: // comparing / sorting

    /** whether this object represents the same widget as aContentInfo */

    TBool EqualsTo( CHsContentInfo& aContentInfo );

    /** comparator function for sort by name (compare two names)*/    

    static TInt CompareByName(

                        const CWmWidgetData& aDataOne,

                        const CWmWidgetData& aDataTwo );

    /**

     * comparator function for sorting by stored order

     **/

    static TInt CompareByPersistentWidgetOrder(

            const CWmWidgetData& aDataOne,

            const CWmWidgetData& aDataTwo );

public: // methods to read the content

    /** the HsContent info */

    inline CHsContentInfo& HsContentInfo();

    /** the HsContent info */

    inline const CHsContentInfo& HsContentInfo() const;

    /** widget name */

    inline const TDesC& Name() const;

    /** widget uid */

    inline TUid Uid() const;

    /** cps widget publisher id */

    inline const TDesC& PublisherId() const;

    /** cps widget publisher uid */

    TUid PublisherUid();

    /** widget type */

    inline TWidgetType WidgetType() const;

    /** running install animation index */

    inline TInt InstallAnimationIndex() const;

    /** the logo bitmap */

    inline const CFbsBitmap* LogoImage();

    /** the logo bitmap */

    inline const CFbsBitmap* LogoImageMask();

    /** whether the widget data is valid or not */

    inline TBool IsValid();

    /** sets the widget data validity */

    inline void SetValid( TBool aValid );

protected: // from MConverterObserver

    /** image conversin completed */

    void NotifyCompletion( TInt aError );

private: // new functions

    /** fetches publisher uid from widget registry*/

    void FetchPublisherUidL( 

            RWidgetRegistryClientSession* aRegistryClientSession );

    /** Converts uid to TUid from TDesC8 */

    TUid UidFromString( const TDesC8& aUidString ) const;

    /** Logo icon string handling */

    void FireDataChanged();

private: // data members

    /* instance of the CIdle class for async iconStr handling*/

    CIdle*              iIdle;

    /* the image converter utility */

    CWmImageConverter*    iImageConverter;

    /* observes this widget representation (NOT OWNED) */

    MWmWidgetDataObserver* iObserver;

    /** the widget logo bitmap */

    CFbsBitmap*         iLogoImage;

    /** the widget logo mask */

    CFbsBitmap*         iLogoImageMask;

    /** The CHsContentInfo that corresponds to this list row */

    CHsContentInfo*     iHsContentInfo;

    /** type oif the widget */

    TWidgetType         iWidgetType;

    /** persistent order of widgets (used in sorting) */

    const CWmPersistentWidgetOrder* iPersistentWidgetOrder;

    /** wrt widget publisher uid */

    TUid                iPublisherUid;

    /** size of logo rect in list item */

    TSize               iLogoSize;

    /** validity of the widget - used during list refresh */

    TBool               iValid;

    };

/**

 * Pointer array of widget data objects.

 * Also acts as an adapter to a descriptor array, providing the

 * widget names as descriptor array elements.

 */

NONSHARABLE_CLASS( RWidgetDataValues ) : public RPointerArray<CWmWidgetData>,

    public MDesCArray

    {

    protected: // from MDesCArray

        /** returns number of items in the pointer array */

        inline TInt MdcaCount() const;

        /** returns the pointed widget name */

        inline TPtrC16 MdcaPoint(TInt aIndex) const;

    };

#include "wmwidgetdata.inl"

#endif // WMWIDGETDATA_H