// 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:

//

// INCLUDE FILES

#include <s32mem.h>

#include <e32property.h>

#include <lbs/epos_privacy.h>

#include <lbs/epos_cposcontactrequestor.h>

#include <lbs/epos_cposservicerequestor.h>

#include <lbs/epos_rposrequestorstack.h>

#include <lbs/epos_privacynotifier.hrh>

#include "EPos_CPosDialogCtrl.h"

#include <lbs/lbslocclasstypes.h>

// CONSTANTS

#if defined(NRH_UNIT_TEST)

// For the NRH unit test, use a different Q&N notifier implementation UID.

// This is so that we can have both the unit test Q&N notifier and

// the integration test Q&N notifier (with the real implementation UID)

// in the same ROM.

const TUid KNotifierUid = { 0x10283744 };

#else

const TUid KNotifierUid = { KPosPrivacyNotifierImplUid };

#endif // NRH_UNIT_TEST

// P&S Key so NG can check the status of notifications

const TInt EPrivacyNumberOfRequest = 0x1028720F;

// The output descriptor for Notifier calls. Since we want to pass

// just a dummy null descriptor there is no need to create a HBufC

// each time.

TPtr8 nullPtr(reinterpret_cast<TUint8*>(NULL), 0);

// ================= MEMBER FUNCTIONS =======================

// C++ default constructor can NOT contain any code, that

// might leave.

//

CPosDialogCtrl::CPosDialogCtrl() : CActive(EPriorityNormal),

    iRequestQueue(1) // Set granularity to 1

    {

    CActiveScheduler::Add(this);

    }

// EPOC default constructor can leave.

void CPosDialogCtrl::ConstructL()

    {

    TInt err = iNotifier.Connect();

    User::LeaveIfError(err);

    // Define the property

    RProperty::Define(KUidSystemCategory, EPrivacyNumberOfRequest, RProperty::EInt);

    UpdateProperty();

    }

// Two-phased constructor.

CPosDialogCtrl* CPosDialogCtrl::InstanceL()

    {

    CPosDialogCtrl* self = new (ELeave) CPosDialogCtrl;

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

// Destructor

CPosDialogCtrl::~CPosDialogCtrl()

    {

    Cancel();

    TInt count = iRequestQueue.Count();

    for (TInt i = 0; i < count; i++)

        {

        DoCompleteRequest(0, KErrServerTerminated);

        }

    iNotifier.Close();

    iRequestQueue.Close();

    RProperty::Delete(KUidSystemCategory, EPrivacyNumberOfRequest);

    }

// ---------------------------------------------------------

// CPosDialogCtrl::NotifyL

//

// (other items were commented in a header).

// ---------------------------------------------------------

//

void CPosDialogCtrl::NotifyL(

	TLbsExternalRequestInfo& aRequestInfo,

    const TPosRequestData& aRequestData)

    {

    TRequest request;

    request.iType = TPosQNInputData::ENotification;

    request.iRequestInfo = &aRequestInfo;

    request.iStatus = NULL;

    request.iRequestSource = aRequestData.iRequestSource;

    request.iTimeoutStrategy = aRequestData.iTimeoutStrategy;

    request.iRequestDecision = aRequestData.iRequestDecision;

    request.iCancelReason = aRequestData.iCancelReason;

    request.iNotificationReason = aRequestData.iNotificationReason;

    ScheduleRequestL(request);

    }

// ---------------------------------------------------------

// CPosDialogCtrl::VerifyL

//

// (other items were commented in a header).

// ---------------------------------------------------------

//

void CPosDialogCtrl::VerifyL(

    TRequestStatus& aStatus,

	TLbsExternalRequestInfo& aRequestInfo,

    const TPosRequestData& aRequestData)

    {

    aStatus = KRequestPending;

    TRequest request;

    request.iType = TPosQNInputData::EQuery;

    request.iRequestInfo = &aRequestInfo;

    request.iStatus = &aStatus;

    request.iRequestSource = aRequestData.iRequestSource;

    request.iTimeoutStrategy = aRequestData.iTimeoutStrategy;

    request.iRequestDecision = aRequestData.iRequestDecision;

    request.iCancelReason = aRequestData.iCancelReason;

    request.iNotificationReason = aRequestData.iNotificationReason;

    GivePriorityToVerificationL(request);

    }

// ---------------------------------------------------------

// CPosDialogCtrl::CancelLaunch

//

// (other items were commented in a header).

// ---------------------------------------------------------

//

void CPosDialogCtrl::CancelLaunch(TRequestStatus& aStatus)

    {

    TInt count = iRequestQueue.Count();

    if (count > 0 && iRequestQueue[0].iStatus == &aStatus)

        {

        Cancel();

        DoCompleteRequest(0, KErrCancel);

        NextRequest();

        }

    else

        {

        for (TInt i = 1; i < count; ++i)

            {

            if (iRequestQueue[i].iStatus == &aStatus)

                {

                DoCompleteRequest(i, KErrCancel);

                return;

                }

            }

        }

    }

// ---------------------------------------------------------

// CPosDialogCtrl::CancelLaunch

//

// (other items were commented in a header).

// ---------------------------------------------------------

//

void CPosDialogCtrl::CancelLaunch(

    TRequestStatus& aStatus,

    TInt& aErrorCode,

    TInt& aResponse,

    TBool& aRequestQueued,

    TPosVerifyCancelReason aCancelReason)

    {

    TInt count = iRequestQueue.Count();

    if (count > 0 && iRequestQueue[0].iStatus == &aStatus)

        {

        TPtr8 nullPtr(reinterpret_cast<TUint8*>(NULL), 0);

        TPosQNInputData data;

        data.iId = iRequestQueue[0].iId;

        data.iCancelReason = aCancelReason;

        TPckg<TPosQNInputData> dataPtr(data);

        aErrorCode = iNotifier.UpdateNotifier(KNotifierUid, dataPtr, nullPtr);

        if( KErrNone==aErrorCode  /* && iRequestQueue[0].iTimeoutStrategy == EPosDecisionAccepted  */)  

	        {

	        // If there is an error, notifications will be triggered through PrivManager

	        TRAPD(err,CreateNotificationAndEnqueueL());

	        err = err; // To avoid compiler warning

	        }

        aResponse = iStatus.Int();

        aRequestQueued = EFalse;

        }

    else

        {

        aResponse = KErrNone;

        aErrorCode = KErrNone;

        aRequestQueued = ETrue;

        }

    CancelLaunch(aStatus);

    }

// ---------------------------------------------------------

// CPosDialogCtrl::RunL

//

// (other items were commented in a header).

// ---------------------------------------------------------

//

void CPosDialogCtrl::RunL()

    {

    if (iRequestQueue.Count() > 0)

        {

        DoCompleteRequest(0, iStatus.Int());

        NextRequest();

        }

    }

// ---------------------------------------------------------

// CPosDialogCtrl::DoCancel

//

// (other items were commented in a header).

// ---------------------------------------------------------

//

void CPosDialogCtrl::DoCancel()

    {

    if (iStatus == KRequestPending)

        {

        iNotifier.CancelNotifier(KNotifierUid);

        }

    }

// ---------------------------------------------------------

// CPosDialogCtrl::DialogActive

//

// (other items were commented in a header).

// ---------------------------------------------------------

//

TBool CPosDialogCtrl::DialogActive() const

    {

    return iRequestQueue.Count() > 0;

    }

// ---------------------------------------------------------

// CPosDialogCtrl::NextRequest

//

// (other items were commented in a header).

// ---------------------------------------------------------

//

void CPosDialogCtrl::NextRequest()

    {

    while (iRequestQueue.Count() > 0)

        {

        TInt err = StartNotifierRequest();

        if (err)

            {

            DoCompleteRequest(0, err);

            }

        else

            {

            return;

            }

        }

    }

// ---------------------------------------------------------

// CPosDialogCtrl::DoCompleteRequest

//

// (other items were commented in a header).

// ---------------------------------------------------------

//

void CPosDialogCtrl::DoCompleteRequest(

    TInt aIndex,

    TInt aCompletionCode)

    {

    TRequest request = iRequestQueue[aIndex];

    if (request.iType == TPosQNInputData::ENotification)

        {

        delete request.iRequestInfo;

        }

    else

        {

        TRequestStatus* status = request.iStatus;

        User::RequestComplete(status, aCompletionCode);

        }

    iRequestQueue.Remove(aIndex);

    iRequestQueue.Compress();

    UpdateProperty();

    }

// ---------------------------------------------------------

// CPosDialogCtrl::ScheduleRequestL

//

// (other items were commented in a header).

// ---------------------------------------------------------

//

void CPosDialogCtrl::ScheduleRequestL(TRequest& aRequest)

    {

    // Start a new request.    

    aRequest.iId = ++iRequestId;

    User::LeaveIfError(iRequestQueue.Append(aRequest));

    UpdateProperty();

    if (iRequestQueue.Count() == 1)

        {

        TInt err = StartNotifierRequest();

        if (err != KErrNone)

            {

            DoCompleteRequest(0, err);

            }

        }

    }

// ---------------------------------------------------------

// CPosDialogCtrl::StartNotifierRequest

//

// (other items were commented in a header).

// ---------------------------------------------------------

//

TInt CPosDialogCtrl::StartNotifierRequest()

    {

    TRequest request = iRequestQueue[0];

    // Convert the TLbsExternalRequestInfo into a CPosRequestorStack

    RPosRequestorStack reqStack;

    TRAPD(err, ExtractRequestorsL(*request.iRequestInfo, reqStack));

    if (err != KErrNone)

    	{

    	return err;

    	}

    TInt dataSize = CalcSize(reqStack);

    HBufC8* reqStackBuf = HBufC8::New(dataSize);

    if (!reqStackBuf)

        {

        reqStack.ResetAndDestroy();

        return KErrNoMemory;

        }

    TPtr8 ptr = reqStackBuf->Des();

    TRAP(err, CreateSerializedStackL(ptr, reqStack));

    if (err == KErrNone)

        {

        TPosQNInputData data;

        data.iId = request.iId;

        data.iType = request.iType;

        data.iDataSize = dataSize;

        data.iDataPtr = NULL;

        data.iRequestSource = request.iRequestSource;

        data.iTimeoutStrategy = request.iTimeoutStrategy;

        data.iRequestDecision = request.iRequestDecision;

        data.iNotificationReason = request.iNotificationReason;

        data.iCancelReason = request.iCancelReason;

        TPckg<TPosQNInputData> dataPtr(data);

        HBufC8* buffer = HBufC8::New(KPosQNInputDataClassSize +

            reqStackBuf->Size());

        if (!buffer)

            {

            delete reqStackBuf;

            return KErrNoMemory;

            }

        buffer->Des().Append(dataPtr);

        buffer->Des().Append(*reqStackBuf);

        delete reqStackBuf;

        reqStackBuf = NULL;

        iNotifier.StartNotifierAndGetResponse(

            iStatus, KNotifierUid, nullPtr, nullPtr);

        SetActive();

        err = iNotifier.UpdateNotifier(KNotifierUid, *buffer, nullPtr);

        if (err != KErrNone)

            {

            Cancel();

            }

        delete buffer;

        }

    delete reqStackBuf;

    reqStack.ResetAndDestroy();

    return err;

    }

// ---------------------------------------------------------

// CPosDialogCtrl::CreateSerializedStackL

//

// (other items were commented in a header).

// ---------------------------------------------------------

//

void CPosDialogCtrl::CreateSerializedStackL(

    TDes8& aBuffer,

    const RPosRequestorStack& aRequestStack)

    {

    RDesWriteStream writeStream(aBuffer);

    CleanupClosePushL(writeStream);

    aRequestStack.ExternalizeL(writeStream);

    writeStream.CommitL();

    CleanupStack::PopAndDestroy(1, &writeStream);

    }

// ---------------------------------------------------------

// CPosDialogCtrl::CalcSize

//

// (other items were commented in a header).

// ---------------------------------------------------------

//

TInt CPosDialogCtrl::CalcSize(

    const RPosRequestorStack& aRequestStack)

    {

    TInt size = sizeof(TInt);	// One TInt for number of requestors.

    const TInt numRequestors = aRequestStack.Count();

    for (TInt i = 0; i < numRequestors; i++)

    	{

    	const CPosRequestor* requestor = aRequestStack[i];

    	// Add on the size of the requestor class, the 

    	// descriptor it contains, and an extra TInt which

    	// is used to store the length of the descriptor.

    	size += sizeof(CPosRequestor);

    	size += sizeof(TInt);

    	size += requestor->RequestorIdString().Size();

    	}

    return size;

    }

/** Convert a TLbsExternalRequestInfo into a RPosRequestorStack.

 */

void CPosDialogCtrl::ExtractRequestorsL(

 		const TLbsExternalRequestInfo& aRequestInfo,

     	RPosRequestorStack& aRequestors)

 	{	

 	// Convert the Client name into a CPosRequestor::ERequestorService requestor.

 	switch (aRequestInfo.ClassType())

 		{

 		case EExternalRequestInfoClass:

 			{

 			TBuf<KLbsMaxClientNameSize> buf;

 			aRequestInfo.GetClientName(buf);

 			AddRequestorL(CPosRequestor::ERequestorService,

 						  aRequestInfo.ClientNameFormat(),

 						  aRequestInfo.RequestType(),

 						  aRequestInfo.NetworkType(),

 						  buf,

 						  aRequestors

 						  );

 			break;

 			}

 		case (EExternalRequestInfoClass 

 			  | EExternalRequestInfoClass2):

 		  	{

   			const TLbsExternalRequestInfo2& info = static_cast<const TLbsExternalRequestInfo2&>(aRequestInfo);

   			TBuf<KLbsMaxClientNameSize2> buf;

 			info.GetClientName(buf);

 			AddRequestorL(CPosRequestor::ERequestorService,

 						  aRequestInfo.ClientNameFormat(),

 						  aRequestInfo.RequestType(),

 						  aRequestInfo.NetworkType(),

 						  buf,

 						  aRequestors

 						  );		

 		  	break;

 		  	}

 		default:

 			{

 			// Unrecognised TLbsExternalRequestInfo class type, so ignore it.

 			break;

 			}

 		}	

 	// Convert the Requestor name into a CPosRequestor::ERequestorContact requestor.

 	switch (aRequestInfo.ClassType())

 		{

 		case EExternalRequestInfoClass:

 			{

 			TBuf<KLbsMaxRequesterIdSize> buf;

 			aRequestInfo.GetRequesterId(buf);

 			AddRequestorL(CPosRequestor::ERequestorContact,

 						  aRequestInfo.RequesterIdFormat(),

 						  aRequestInfo.RequestType(),

 						  aRequestInfo.NetworkType(),

 						  buf,

 						  aRequestors

 						  );

 			break;

 			}

 		case (EExternalRequestInfoClass 

 			  | EExternalRequestInfoClass2):

 		  	{

   			const TLbsExternalRequestInfo2& info = static_cast<const TLbsExternalRequestInfo2&>(aRequestInfo);

   			TBuf<KLbsMaxRequesterIdSize2> buf;

 			info.GetRequesterId(buf);

 			AddRequestorL(CPosRequestor::ERequestorContact,

 						  aRequestInfo.RequesterIdFormat(),

 						  aRequestInfo.RequestType(),

 						  aRequestInfo.NetworkType(),

 						  buf,

 						  aRequestors

 						  );

 		  	break;

 		  	}

 		default:

 			{

 			// Unrecognised TLbsExternalRequestInfo class type, so ignore it.

 			break;

 			}

 		}

 	}