/*

* Copyright (c) 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:  Updates applications and icons in Operator Tile.

*

*/

#ifndef __HSWIDGETPUBLISHERIMPL_H__

#define __HSWIDGETPUBLISHERIMPL_H__

#include <liwservicehandler.h>

#include <liwvariant.h>

#include <liwgenericparam.h>

#include <liwcommon.h>

#include <vector>

#include <map>

#include <memory>

#include <string>

#include "hsdataobserver.h"

namespace Hs {

class HsWidget;

typedef std::map<std::string, std::wstring> WidgetContentIdMapType;

class HsWidgetPublisherImpl :

    public MLiwNotifyCallback

    {

public://MLiwNotifyCallback

    /**

    * Handles notifications caused by an asynchronous Execute*CmdL call

    * or an event.

    *

    * @param aCmdId The service command associated to the event.

    * @param aEventId Occured event, see LiwCommon.hrh.

    * @param aEventParamList Event parameters, if any, as defined per

    *        each event.

    * @param aInParamList Input parameters, if any, given in the

    *        related HandleCommmandL.

    * @return Error code for the callback.

    */

    virtual TInt HandleNotifyL(

        TInt aCmdId,

        TInt aEventId,

        CLiwGenericParamList& aEventParamList,

        const CLiwGenericParamList& aInParamList);

public:

    /**

     */

	HsWidgetPublisherImpl();

    /**

     */

    virtual ~HsWidgetPublisherImpl();

    /**

     */

    HsWidget& CreateWidget( std::string& aTemplateName, 

        std::string& aWidgetName,

        std::string& aIdentifier,

        std::string& aDescription,

        std::string& aIconLocation );

    /**

     */

    void RemoveWidget( std::string& aTemplateName, 

        std::string& aWidgetName,

        std::string& aIdentifier );

    /**

     */

    void SetDataObserver( IHsDataObserver* aDataObserver );

    /**

     */

    HsWidget& GetWidget( std::string& aTemplateName, 

        std::string& aWidgetName,

        std::string& aIdentifier );

    /**

     */

    void PublishWidget( HsWidget& aWidget );

private:

    /**

     */

    MLiwInterface* GetServiceInterfaceL();

    /**

     */

    void RegisterNotificationL( HsWidget& aWidget );

    /**

     */

    void UnegisterNotificationL();

    /**

     */

    void PublishWidgetActionsL( HsWidget& aWidget );

    /**

     */

    void PublishWidgetDataL( HsWidget& aWidget );

    /**

     */    

    void RemoveWidgetL( HsWidget& aWidget );

    /**

     */

    void RemoveFromCpsL( CLiwDefaultMap* aCpDataMap, const TDesC&  aType );

    /**

     */

    void TranslateObserverAction( const TDesC8& aActionDes,

        IHsDataObserver::EEvent& aAction );

    /**

     */

    HsWidget* GetWidgetL( const CLiwMap* aMap );

    /**

     */

    /**

     */

    int HandleWidgetItemActionL( const TDesC8& aActionDes,

    		HsWidget& aWidget );

    /**

     */

    bool CheckIfWidgetExist( std::string& aTemplateName, 

        std::string& aWidgetName,

        std::string& aIdentifier,

        TBool aAdjustToIdentifier );

    /**

     */

    std::string ToStringL( const TDesC& aText );

    /**

     */

    std::wstring ToWideStringL( const TDesC& aText ) const;

    /**

     */

    void InsertWidgetIdentifiersL( HsWidget& aWidget, 

		CLiwDefaultMap* aDataMap );

    /**

     */

    void InsertWidgetDataIdentifiersL( HsWidget& aWidget, 

		CLiwDefaultMap* aDataMap );

    /**

     */

    void InsertWidgetInfoL( HsWidget& aWidget, 

		CLiwDefaultMap* aDataMap );

    /**

     */

    void InsertWidgetItemsL( HsWidget& aWidget, 

		CLiwDefaultMap* aDataMap );

    /**

     */

    TInt ObtainErrorCode( const CLiwGenericParamList& aOutParamList );

    /**

     */

    TInt TranslateServiceError( TInt32 aServiceErrorCode );

    /**

     */    

    /**

     */     

    void InsertWidgetACLL( CLiwDefaultMap* aDataMap );

    /**

     * Returns publisher name that should be used with a certain widget

     * when registering the widget, writing/deleting widget data or

     * requesting event notification.

     * 

     * @param aWidget A valid widget object.

     * @return Publisher name.

     */

    std::string GetPublisherNameL( HsWidget& aWidget );

    /**

     * Parses publisher name in order to determine widget identifier.

     * Will leave with KErrNotFound if publisher name is invalid.

     * 

     * @param aPublisherName Publisher name

     * @return Widget identifier.

     */

    std::string GetWidgetIdentifierFromPublisherNameL(

            const TDesC& aPublisherName );

    /**

     * Wraps CnvUtfConverter::ConvertToUnicodeFromUtf8.

     * 

     * @param aSrcString 8-bit utf8-encoded string.

     * @return Converted unicode-encoded (16 bit) string.

     */

    HBufC* Utf8ToUnicodeLC( const TDesC8& aSrcString ) const;

    /**

     * A convenient std::string to HBufC converter.

     *

     * @param aSrcString utf8-encoded std::string.

     * @return Converted unicode-encoded (16 bit) string.

     */

    HBufC* StdStringToUnicodeLC( const std::string& aSrcString ) const;

private:

	std::vector<HsWidget*>	mWidgets;

	WidgetContentIdMapType  mWidgetContentIds;

    CLiwServiceHandler*		mServiceHandler;

    MLiwInterface*          mServiceInterface;

    IHsDataObserver*       	mHsDataObserver;

    TInt32                    iWidgetUid;

    };

}

#endif /*__HSWIDGETPUBLISHERIMPL_H__*/