/*

* Copyright (c) 2005-2009 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:

*

*/

/**

 @file

 @internalComponent

 @released

*/

#ifndef CPOSDIALOGCTRL_H

#define CPOSDIALOGCTRL_H

//  INCLUDES

#include <e32base.h>

#include <lbs/epos_cposrequestor.h>

#include <lbs/epos_rposrequestorstack.h>

#include "EPos_PrivacyInternal.h"

#include <lbs/lbsloccommon.h>

// DATA TYPES

// FORWARD DECLARATIONS

// CLASS DECLARATION

/**

*  Base class for controlling plugin privacy dialogs.

*  Uses the notifier plugin framework.

*/

class CPosDialogCtrl : public CActive

    {

    public:  // Constructor

        /**

        * Two-phased constructor.

        */

        static CPosDialogCtrl* InstanceL();

        /**

        * Destructor.

        */

        virtual ~CPosDialogCtrl();

    public: // New functions

        /**

        * Queues a launch of the notification dialog.

        * If no leave occurs, this class takes ownership of the entry list.

        * Do not call Close() or ResetAndDestroy() on the entry list after

        * function has been called.

        * @param aEntryList The entries involved in the request.

        * @param aRequestData Contains data for notification requests.

        */

        void NotifyL(

        				TLbsExternalRequestInfo& aRequestInfo,

        /* IN  */   	const TPosRequestData& aRequestData

        );

        /**

        * Queues a launch of the verification dialog.

        * @param aStatus Asynchronous request status.

        * @param aEntryList The entries to verify.

        * @param aRequestData Contains data for verification requests.

        */

        void VerifyL(

        /* IN/OUT */    TRequestStatus&         aStatus,

        				TLbsExternalRequestInfo& aRequestInfo,

        /* IN     */    const TPosRequestData&      aRequestData

        );

        /**

        * Cancels a verification request.

        * @param aStatus Asynchronous request status for the request to cancel.

        */

        void CancelLaunch(

        /* IN/OUT */    TRequestStatus&         aStatus

        );

         /**

        * Cancels a verification request.

        * @param aStatus Asynchronous request status for the request to cancel.

        * @param aErrorCode An error code.

        * @param aResponse The user response

        * @param aRequestQueued Whether the request is queued or not.

        * @param aCancelReason The cancel reason.

        */

        void CancelLaunch(

        /* IN/OUT */    TRequestStatus&         aStatus,

        /* OUT */       TInt&                   aErrorCode,

        /* OUT */       TInt&                   aResponse,

        /* OUT */       TBool&                  aRequestQueued,

        /* IN  */       TPosVerifyCancelReason aCancelReason =

                        EPosCancelReasonNotAvailable

        );

        /**

        * Returns whether or not the dialog is showing.

        * @return ETrue if a request is active, EFalse otherwise.

        */

        TBool DialogActive() const;

    protected: // Functions from base classes

        /**

        * From CActive

        *

        * Handles request completion.

        */

        void RunL();

        /**

        * From CActive

        *

        * Implements cancel of an outstanding request.

        */

        void DoCancel();

    private:

        struct TRequest

            {

            TPosQNInputData::TPosRequestType iType;

            TPosQNRequestId iId;

            TLbsExternalRequestInfo* iRequestInfo;

            TRequestStatus* iStatus;

            TPosRequestSource iRequestSource;

            TPosRequestDecision iTimeoutStrategy;

            TPosRequestDecision iRequestDecision;

            TPosVerifyCancelReason iCancelReason;

            TPosNotificationReason iNotificationReason;

            };

        /**

        * C++ default constructor.

        */

        CPosDialogCtrl();

        /**

        * By default EPOC constructor is private.

        */

        void ConstructL();

        // By default, prohibit copy constructor

        CPosDialogCtrl( const CPosDialogCtrl& );

        // Prohibit assigment operator

        CPosDialogCtrl& operator= ( const CPosDialogCtrl& );

        void NextRequest();

        void DoCompleteRequest(

        /* IN     */    TInt aIndex,

        /* IN     */    TInt aCompletionCode

        );

        void ScheduleRequestL(

        /* IN     */    TRequest& aRequest

        );

        TInt StartNotifierRequest();

        void CreateSerializedStackL(

        /* OUT    */    TDes8& aBuffer,

        /* IN */		const RPosRequestorStack& aRequestStack

        );

        TInt CalcSize(

        /* IN */		const RPosRequestorStack& aRequestStack

        );

        void ExtractRequestorsL(

     		const TLbsExternalRequestInfo& aRequestInfo,

         	RPosRequestorStack& aRequestors

        );

        void AddRequestorL(

     		CPosRequestor::TRequestorType aRequestorType,

     		TLbsExternalRequestInfo::TFormatIndicator aIdType,

     	    CPosRequestor::TRequestType aRequestType,

     	    CPosRequestor::TNetworkType aNetworkType,

     		const TDesC& aId,

     		RPosRequestorStack& aRequestors

         );

        void GivePriorityToVerificationL(

        /* IN     */    TRequest& aRequest

        );

        void EnqueueRequestL(

        /* IN     */    TRequest& aRequest

        );

        void DeferNotificationL();

        void CreateNotificationAndEnqueueL();

    private:    // Data

        RNotifier                       iNotifier;

        RArray<TRequest>                iRequestQueue;

        TInt                            iRequestId;

        TBool                           iNotifierStarted;

        TBool                           iNotifierActive;

    };

#endif      // CPOSDIALOGCTRL_H

// End of File