/*

* 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:  MCS settings plug-in model.

*

*/

#ifndef CMCSPLUGINSETTINGSMODEL_H

#define CMCSPLUGINSETTINGSMODEL_H

// External includes

#include <e32base.h>

#include <bamdesca.h>               // For MDesCArray

#include <badesca.h>

#include <mhomescreensettingsobserver.h>

#include <hspluginsettings.h>

#include <propertymap.h>

// Internal includes

#include "mcspluginsettingsapplist.h"

#include "mcspluginsettingsbkmlist.h"

// Forward declaration

class CCoeEnv;

class CMCSPluginSettingsContainer;

class CMCSPluginSettings;

class HSPluginSettingsIf::CItemMap;

/**

 * TSettingType

 */

enum TSettingType

    {

    EApplication,

    EBookmark

    };

/**

 * TSettingItem

 */

struct TSettingItem

    {

    TInt id;

    TSettingType type;

    TBool locked;

    };

/**

 *  @ingroup group_mcsplugin

 *

 * MCS settings plug-in model

 *

 * @lib mcspluginsettings.lib

 * @since S60 9.1

 */

class CMCSPluginSettingsModel : public CBase

    , public MDesCArray

    , public HSPluginSettingsIf::MHomeScreenSettingsObserver

{

public:

    /**

     * Two phase constructor

     * 

     * @param aPlugin

     * @param aEnv

     */

    static CMCSPluginSettingsModel* NewL( CMCSPluginSettings& aPlugin,

        CCoeEnv* aEnv);

    /**

     * Descructor

     */

    virtual ~CMCSPluginSettingsModel();

public: // from MDesCArray

    /**

     * Returns the number of descriptor elements in a descriptor array.

     *

     * @since S60 v3.2

     * @return The number of descriptor elements in a descriptor array.

     */

    TInt MdcaCount() const;

    /**

     * Indexes into a descriptor array.

     *

     * @since S60 v3.2

     * @param aIndex The position of the descriptor element within 

     *               a descriptor array.

     * @return A 16 bit non-modifiable pointer descriptor representing the 

     *         descriptor element located at position aIndex within a descriptor 

     *         array.

     */

    TPtrC MdcaPoint(TInt aIndex) const;

public:

    /**

     * Returns an ID of a setting item for the given index

     *

     * @since S60 v3.2

     * @param aIndex Index of the setting item

     * @return ID of a setting item

     */

    TInt ItemId( TInt aIndex ) const;

    /**

     * Returns a pointer to setting item for the given index

     *

     * @since S60 v9.1

     * @param aIndex Index of the setting item

     * @return setting item

     */

    const TSettingItem Item( TInt aIndex ) const;

    /**

     *

     */

    TBool ReplaceItemL( const TInt& aItemIndex, TInt aValue,

        TSettingType aType );

    /**

     * Sets pointer to settings plug-in container.

     *

     * @since S60 v3.2

     * @param aContainer Pointer to settings plug-in container.

     */

    void SetContainer(CMCSPluginSettingsContainer* aContainer);

    /**

     * Get application list

     */

    CMCSPluginSettingsAppList* AppList();

    /**

     * Get bookmark list

     */

    CMCSPluginSettingsBkmList* BkmList();

    /**

     * Update application list

     */

    void UpdateAppListL();

    /**

     * Update bookmark list

     */

    void UpdateBkmListL();

    /**

     * Update settings container

     * 

     * @param aPluginId

     */

    void UpdateSettingsContainerL( const TDesC8& aPluginId );

    // From MHomeScreenSettingsObserver

    /**

     * Settings changed

     * 

     * @param aEvent

     * @param aPluginName

     * @param aPluginUid

     * @param aPluginId

     * @return TInt

     */

    TInt SettingsChangedL( const TDesC8& aEvent,  const TDesC8& aPluginName,

        const TDesC8& aPluginUid, const TDesC8& aPluginId );

private:

    /**

     * Private constructor

     * 

     * @param aPlugin

     * @param aEnv

     */

    CMCSPluginSettingsModel(CMCSPluginSettings& aPlugin, CCoeEnv* aEnv);

    /**

     * Leaving constructor

     */

    void ConstructL();

    /**

     * ListBoxLineL

     * 

     * @param aCaption

     * @param aIndex

     * @return TPtrC

     */

    TPtrC ListBoxLineL( const TDesC& aCaption, TInt aIndex ) const;

    /**

     * ItemL

     * 

     * @param aProperties

     * @return TSettingItem

     */

    TSettingItem ItemL( 

        RPointerArray<HSPluginSettingsIf::CPropertyMap>& aProperties );

    /**

     * Setting type

     * 

     * @param aProperties

     * @return TSettingType

     */

    TSettingType SettingTypeL( 

       RPointerArray<HSPluginSettingsIf::CPropertyMap>& aProperties );

    /**

     * Setting locked

     * 

     * @param aProperties

     * @return TBool

     */

    TBool SettingLockedL( 

        RPointerArray<HSPluginSettingsIf::CPropertyMap>& aProperties );

    /**

     * Update settings

     * 

     * @param aPluginId

     */

    void UpdateSettingsL( const TDesC8& aPluginId );

    /**

     * Save settings

     * 

     * @param aIndex

     * @param aMenuItem

     */

    void SaveSettingsL( const TInt& aIndex, CMenuItem& aMenuItem );

private: // data

    /**

     * Array of setting items.

     * Own.

     */

    RArray<TSettingItem> iSettings;

    // Homescreen settings API

    HSPluginSettingsIf::CHomescreenSettings* iPluginSettings;

    HBufC8* iPluginId;

    // Stores the text which is drawn by listbox

    // Listbox takes only reference

    mutable HBufC* iListBoxLine;

    /**

     * Settings plugin

     * Not own.

     */

    CMCSPluginSettings& iPlugin;

    /**

     * Coe environment.

     * Not own.

     */

    CCoeEnv* iEnv;

    /**

     * Application list.

     * Own.

     */

    CMCSPluginSettingsAppList* iAppList;

    /**

     * Bookmark list.

     * Own.

     */

    CMCSPluginSettingsBkmList* iBkmList;

    /**

     * Settings plugin container.

     * Not own.

     */

    CMCSPluginSettingsContainer* iContainer;

};

#endif // CMCSPLUGINSETTINGSMODEL_H

// End of File.