/*
* 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"

class CCPixIndexer;
class CRepository;
/**
 * Applications plugin class. Harvests applictions(exes), widgets and java apps.
 * 
 * Implements CIndexingPlugin, DelayedCallbackObserver & AppListServerObserver.
 * 
 */
class CApplicationsPlugin : public CIndexingPlugin, public MDelayedCallbackObserver, public MApaAppListServObserver
{
public: // Constructors and destructor
	static CApplicationsPlugin* NewL();
	static CApplicationsPlugin* NewLC();
	virtual ~CApplicationsPlugin();

public: // From CIndexingPlugin
	virtual void StartPluginL();
	virtual void StartHarvestingL(const TDesC& aQualifiedBaseAppClass);
	
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 RApaLsSession::GetNextApp().
     * @param aActionType: add, update or delete.
     * @return void
     * Leaves in case of error.
     */
	void CreateApplicationsIndexItemL( TApaAppInfo& 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.
    CApaAppListNotifier* iNotifier; //Owned.
    RWidgetRegistryClientSession iWidgetRegistry; //to get widget info.
    CRepository* iHiddenApplicationsRepository;

#ifdef __PERFORMANCE_DATA
    TTime iStartTime;
    TTime iCompleteTime;
    void UpdatePerformaceDataL();
#endif
};

#endif // CAPPLICATIONSPLUGIN_H