/*

* Copyright (c) 2010 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 CAPPLICATIONSPLUGIN_H

#define CAPPLICATIONSPLUGIN_H

#include <e32base.h>

#include <cindexingplugin.h>

#include <common.h>

#include <apgcli.h> //RApaLsSession

#include <apgnotif.h> //Notification

//#include <WidgetRegistryClient.h>

#include "delayedcallback.h"

#if ( SYMBIAN_VERSION_SUPPORT < SYMBIAN_4 )

#include <widgetregistryclient.h>

#else

#include <usif/scr/scr.h>

#endif

#include <javaregistryincludes.h>

class CCPixIndexer;

class CRepository;

class TAppRegInfo;

/**

 * Applications plugin class. Harvests applictions(exes), widgets and java apps.

 * 

 * Implements CIndexingPlugin, DelayedCallbackObserver & AppListServerObserver.

 * 

 */

class CApplicationsPlugin : public CIndexingPlugin, public MDelayedCallbackObserver, public MApaAppListServObserver

{

public:

    enum THarvesterState

        {

        EHarvesterIdleState,

        EHarvesterStartHarvest        

        };

    // Constructors and destructor

    static CApplicationsPlugin* NewL();

    static CApplicationsPlugin* NewLC();

    virtual ~CApplicationsPlugin();

public: // From CIndexingPlugin

	virtual void StartPluginL();

	virtual void StartHarvestingL(const TDesC& aQualifiedBaseAppClass);

	void PausePluginL();

	void ResumePluginL();

public: // From MDelayedCallbackObserver

    void DelayedCallbackL(TInt aCode);

    void DelayedError(TInt aErrorCode);

public: // From MApaAppListServObserver

    void HandleAppListEvent(TInt aEvent);

private: // Constructors

	CApplicationsPlugin();

	void ConstructL();

    /*

     * @description Add, update or delete application document with info in TApaAppInfo based on aActionType.

     * @param aAppInfo: got via GetNextApp().

     * @param aActionType: add, update or delete.

     * @return void

     * Leaves in case of error.

     */

    void CreateApplicationsIndexItemL(RPointerArray<Usif::TAppRegInfo>& aAppInfo, TCPixActionType aActionType);

    /*

     * @description Adds necessary document fields to aDocument for widget with Uid aUid.

     * @param aDocument search document. Not owned.

     * @param aUid: Uid of the widget.

     * @return void

     * Leaves in case of error.

     */

	//void AddWidgetInfoL( CSearchDocument* aDocument, TUid aUid );

	/*

	 * @description Returns true if applicaiton with uid aUid hidden, false otherwise

	 * @param aUid The UID of the application to be checked for hidden property.

	 * @return ETrue if hidden, EFalse otherwise.    

	 */

	TBool IsAppHiddenL(TUid aUid);

private:

	CDelayedCallback* iAsynchronizer;  //Owned.	

    CCPixIndexer* iIndexer; // CPix database. Owned.

    //RApaLsSession iApplicationServerSession; //to get application info.

    Usif::RSoftwareComponentRegistry iScrSession;

    Usif::RApplicationInfoView iScrView;

    CApaAppListNotifier* iNotifier; //Owned.

    //State of harvester either to pause/resume

    TBool iIndexState;

    //harvesting state

    THarvesterState iHarvestState;    

#ifdef __PERFORMANCE_DATA

    TTime iStartTime;

    TTime iCompleteTime;

    void UpdatePerformaceDataL();

#endif

};

#endif // CAPPLICATIONSPLUGIN_H