/*

* Copyright (c) 2006 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:  location triggering server client interface

*

*/

#ifndef LBTLISTTRIGGERAO_H

#define LBTLISTTRIGGERAO_H

#include <lbt.h>

#include "lbtcontainertriggerentry.h"

#include "lbttriggerstoreinterface.h"

#include "lbtcontainerlistoptions.h"

class MLbtListTriggerObserver;

NONSHARABLE_CLASS( CLbtListTriggerAO ) : public CActive

    {

    public: //constructor

        /**

        * Construct a trigger change event notifier object. 

        *

        * When the object is constructed. The trigger change 

        * notification request is not issued to the

        * Location Triggering Server. Client shall call 

        * CLbtTriggerChangeEventNotifier::Start() to start

        * notification.

        *

        * @param[in] aLbt A reference to RLbt object. The subsession 

        * must be opened. Otherwise a panic is raised.

        * @param[in] aObserver A reference to the 

        * observer object to receive trigger change event.

        * @param[in] aPriority An integer specifying the 

        * priority of this active object. CActive::TPriority 

        * defines a standard set of priorities. 

        *

        * @panic LocTriggering ELbtServerBadHandle If the 

        * subsession of aLbt is not opened.

        */

		static CLbtListTriggerAO* NewL(MLbtListTriggerObserver& aObserver);

        /**

        * Destructor. 

        *

        * If the notification is started, the 

        * destructor will cancel the notification.

        */

        ~CLbtListTriggerAO();

        /**

        * Start trigger change event notification. 

        *

        * After this function is called, when any 

        * trigger is changed in Location Trigger Server, the

        * client will be notified from the observer interface.

        * 

        * Client shall call Cancel() function to stop the

        * trigger change event notification.

        */

        void Start();

        void ListTriggers(CLbtContainerListOptions* aFilter,

        RPointerArray < CLbtContainerTriggerEntry >& aTriggers,

        RPointerArray<MLbtTriggerStore>& aTriggerStores);

    private:

        //Derived from CActive

        void RunL();

        TInt RunError( TInt aError );

        void DoCancel();

    private:

        //C++ default constructor

        CLbtListTriggerAO(MLbtListTriggerObserver& aObserver);

        //Second phase constructor

        void ConstructL();

    private:

     TRequestStatus* iClientStatus;

    // CBufFlat* iClientBuf;  

    RPointerArray < CBufFlat > iClientBuf;

    MLbtListTriggerObserver& iObserver;

    };

#endif // LBTTRIGGERCHANGEEVENTNOTIFIER_H