/*

* 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:

*

*/

#ifndef __MENUENGOBJECT_H__

#define __MENUENGOBJECT_H__

#include <e32base.h>

#include <gecoobjectbase.h>

#include <gecodefaultobject.h>

#include <gecoattributeprovider.h>

#include "menuengobjectattr.h"

// FORWARD DECLARATION

class CMenuEng;

/**

* Menu Engine Object.

* Menu Engine Object represent menu items in the Engine. Object are normally

* owned by the Engine; exception are the items that are created but not yet

* added to the Engine (these are temporarily owned by the client.)

* The primary identity of objects is the Id(), this is persistent and unique.

* 0 is not a valid ID.

*/

NONSHARABLE_CLASS( CMenuEngObject ): public CGECODefaultObject

    {

public:     // construction

    /**

    * Destructor.

    */

    IMPORT_C virtual ~CMenuEngObject();

protected:  // construction

    /**

    * Constructor.

    * @param aEng Engine.

    */

    CMenuEngObject( CMenuEng& aEng );

    /**

    * Second phase constructor.

    * @param aType Type.

    */

    void ConstructL( const TDesC& aType );

public:     // new methods

    /**

    * Get ID. The object always has a valid unique ID (even if the object is

    * not added to the Engine yet).

    * @return ID.

    */

    IMPORT_C TInt Id() const;

    /**

    * Get flags.

    * @param aFactoryCall for call from factory object(used to skip central repository check).

    * @return Flags.

    */

    IMPORT_C TUint32 Flags( TBool aFactoryCall = EFalse ) const;

    /**

    * Get type.

    * @return Type.

    */

    IMPORT_C TPtrC Type() const;

    /**

    * Get number of attributes.

    * @return Number of attributes.

    */

    IMPORT_C TInt NumAttributes() const;

    /**

    * Get attribute by index.

    * @param aIndex Attribute index.

    * @param aName Name is returned here.

    * @param aValue Value is returned here.

    * @param aLocalized ETrue if attribute is localized.

    * @return ETrue (unless aIndex is not valid).

    */

    IMPORT_C TBool GetAttribute(

        TInt aIndex,

        TPtrC& aName,

        TPtrC& aValue,

        TBool& aLocalized ) const;

    /**

    * Find attribute by name.

    * @param aName Name.

    * @param aValue Value is returned here.

    * @param aLocalized Etrue if attribute is localized.

    * @return ETrue if found.

    */

    IMPORT_C TBool FindAttribute(

        const TDesC& aName,

        TPtrC& aValue,

        TBool& aLocalized ) const;

    /**

    * Set or clear flags.

    * @param aMask Flags to set or clear.

    * @param aOn ETrue to set, EFalse to clear.

    */

    IMPORT_C void SetFlags( TUint32 aMask, TBool aOn );

    /**

    * Set attribute value. Old value, if any, is replaced.

    * @param aAttrName Name.

    * @param aAttrValue Value.

    * @param aLocalized ETrue if attribute is localized.

    */

    IMPORT_C void SetAttributeL(

        const TDesC& aAttrName,

        const TDesC& aAttrValue,

        TBool aLocalized ); // Set attribute value.

    /**

    * Set attribute value. Old value, if any, is replaced.

    * For use when reading xml file with initial data

    * and as a helper method for SetAttributeL.

    * @param aAttrName Name.

    * @param aAttrValue Value.

    * @param aLocalized ETrue if attribute is localized.

    */

    void SetInitialAttributeL(

        const TDesC& aAttrName,

        const TDesC& aAttrValue,

        TBool aLocalized ); // Set attribute value.

    /**

    * Method to set iNative for apps.

    */

    IMPORT_C void SetNative( TBool aNative );

    /**

    * Method to get iNative for apps.

    * @return ETrue if app is native.

    */

    IMPORT_C TBool GetNative() const;

    /**

    * Remove attribute.

    * @param aAttrName Name.

    */

    IMPORT_C void RemoveAttribute( const TDesC& aAttrName );

    /**

    * Remove all attributes and flags.

    */

    IMPORT_C void Reset(); // Remove all attributes and clear all flags.

public:     // but not imported: for the engine's use only.

    /**

    * Two-phased constructor.

    * @param aEng Engine.

    * @param aType Type.

    * @return The created object.

    */

    static CMenuEngObject* NewL( CMenuEng& aEng, const TDesC& aType );

    /**

    * Set ID.

    * @param aId ID.

    */

    void SetId( TInt aId );

    /**

    * Get engine.

    * @return Engine.

    */

    CMenuEng& Engine();

private:    // from CGECOObjectBase

    /**

    * Get type identifier.

    * @return Type identifier.

    */

    const TDesC& TypeIdentifier();

    /** 

     * Updates flags with hidden flag from central repository if nececerry.

     * @param aFlags flags.

     */ 

    void UpdateCrHiddenFlagL( TUint32& aFlags ) const;

    /** 

     * Parses descriptor containing folders hidden in central repository.

     * @param aHiddenFolders descriptor containing folders hidden in central repository.

     * @param aHiddenFoldersArray array to fill with names of folders hidden in central repository.

     */ 

    void ParseHiddenFoldersL( 

                const TDesC& aHiddenFolders, 

                RArray<TPtrC>& aHiddenFoldersArray ) const;

    /** 

     * Checks wether folder name is in Central Repository.

     * @param aFolderName descriptor containing name of a folder.

     * @return ETrue if folder is in array, EFalse otherwise.

     */ 

    TBool IsInCrL( const TDesC& aFolderName ) const;

private:    // data

    TInt iId; ///< ID.

    CMenuEng& iEng; ///< Engine. DO NOT USE! Only needed to check ID-generator.

    RBuf iType; /// Type. Own.

    RMenuEngObjectAttrArray iAttributes; ///< Attributes. Own.

    TUint32 iFlags; ///< Flags.

    TBool iNative;	///< app is not of midlet/java type

    };

#endif // __MENUENGOBJECT_H__