// Copyright (c) 2006-2009 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 <cntdb.h>

#include "pbapchexporter.h"

#include "pbapserver.h"

#include "pbapexporter.h"

#include "pbapfolderclient.h"

#include "pbapcontactdbviews.h"

#include "pbaplogeng.h"

#include "btaccesshostlog.h"

//

// CPbapChExporter

//

CPbapChExporter::CPbapChExporter(MVirtualFolderClient& aClient, 

								 MPbapExporterCallback& aCallback, 

								 CPbapChView& aViewToExport,

								 CPbapChView* aReadViewToExport, 

								 TUint aStartIndex,

								 TInt aCount)

: CPbapExporterBase(aClient, aCallback),

  iState(EIdle),

  iStartIndex(aStartIndex),

  iCount(aCount)

	{

	LOG_FUNC

	// iCurrentEventIndex starts from 0, because CLogView can only start from the first event.

	iCurrentEventIndex = 0;

	// get views to export

	iLogView = aViewToExport.LogView();

	// read view optional, used for missed calls only

	if (aReadViewToExport)

		{

		iReadEventView = aReadViewToExport->LogView();

		}

	CActiveScheduler::Add(this);

	}

void CPbapChExporter::ConstructL()

	{

	LOG_FUNC	

	iState = EStartExport;

	// complete ourselves to kick-off the async processing

	TRequestStatus* status=&iStatus;

	User::RequestComplete(status, KErrNone);

	SetActive();

	}

CPbapChExporter::~CPbapChExporter()

	{

	LOG_FUNC

	Cancel();

	}

TBool CPbapChExporter::PrepareForFetchingL(TUint aNumberOfEvents)

	{

	LOG_FUNC

	// reset the number of items to be exported based on the view size

	iCount = Min(iCount, (aNumberOfEvents - iStartIndex));

	return (iCount > 0);

	}

void CPbapChExporter::StartExportL()

	{

	LOG_FUNC	

	iClient.Exporter().StartExport();

	// check to see if we need to export number of unread events

	if (iReadEventView)

		{

		iClient.Exporter().ExportNewMissedCallsL(iLogView->CountL() - iReadEventView->CountL());

		}

	TBool startFetching = PrepareForFetchingL(iLogView->CountL());

	if (startFetching && iLogView->FirstL(iStatus))

		{

		iState = EFetchingLogEvents;

		SetActive();

		}

	else

		{

		// no events to fetch

		FinaliseFetchLogEventsL();

		}		

	}

void CPbapChExporter::FetchLogEventsL()

	{

	LOG_FUNC

	// call derived class to process fetched event	

	TBool continueFetching = EventFetchedL(iLogView->Event(), iCurrentEventIndex);

	++iCurrentEventIndex;

	if (continueFetching && iLogView->NextL(iStatus))

		{

		SetActive();

		}

	else

		{

		// all events fetched

		FinaliseFetchLogEventsL();

		}				

	}

void CPbapChExporter::RunL()

	{

	LOG_FUNC

	User::LeaveIfError(iStatus.Int());

	switch (iState)

		{

		case EStartExport:

			StartExportL();

			break;

		case EFetchingLogEvents:

			FetchLogEventsL();

			break;

		default:

			break;

		}

	}

void CPbapChExporter::DoCancel()

	{

	LOG_FUNC

	iLogView->Cancel();

	// export aborted

	iClient.Exporter().CancelExport();

	iCallback.HandleExportComplete(KErrCancel);

	}

TInt CPbapChExporter::RunError(TInt aError)

	{

	LOG_FUNC

	// abort the export	

	iClient.Exporter().CancelExport();

	// notify observer

	iCallback.HandleExportComplete(aError);

	return KErrNone;

	}

void CPbapChExporter::FinaliseFetchLogEventsL()

	{

	LOG_FUNC

	// no event to fetch

	FetchingCompleteL();

	iClient.Exporter().FinaliseExportL();

	iCallback.HandleExportComplete(KErrNone);

	}

//

// CPbapChListingExporter

//

CPbapChListingExporter* CPbapChListingExporter::NewL(MVirtualFolderClient& aClient, 

													MPbapExporterCallback& aCallback, 

													CPbapChView& aViewToExport,

													CPbapChView* aReadViewToExport, 

													TUint aStartIndex, 

													TInt aCount)

	{

	LOG_STATIC_FUNC

	CPbapChListingExporter* self = 

				new(ELeave) CPbapChListingExporter(aClient, aCallback, aViewToExport,

												   aReadViewToExport, aStartIndex, aCount);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

CPbapChListingExporter::CPbapChListingExporter(MVirtualFolderClient& aClient,

											   MPbapExporterCallback& aCallback,

											   CPbapChView& aViewToExport,

											   CPbapChView* aReadViewToExport, 

											   TUint aStartIndex,

											   TInt aCount)

: CPbapChExporter(aClient, aCallback, aViewToExport, aReadViewToExport, aStartIndex, aCount)

	{

	LOG_FUNC

	}

TBool CPbapChListingExporter::PrepareForFetchingL(TUint aNumberOfEvents)

	{

	LOG_FUNC

	// add listing header before first entry is exported

	iClient.Exporter().ExportListingBeginL();

	return CPbapChExporter::PrepareForFetchingL(aNumberOfEvents);

	}

TBool CPbapChListingExporter::EventFetchedL(const CLogEvent& aEvent, TInt aEventIndex)

	{

	LOG_FUNC

	TBool moreItemsToExport = EFalse;

	if (aEventIndex < iStartIndex)

		{

		// skip this event

		moreItemsToExport = ETrue;

		}

	else if (aEventIndex < iStartIndex + iCount)

		{

		// export event as a listing entry

		TInt handle = aEventIndex + 1; // call history handles start from 1

		TContactItemId contactId = aEvent.Contact();

		if (contactId != KNullContactId)

			{

			// a contact is associated with the log event so read its name from the database

			RBuf name;

			TRAPD(error , name.Assign(iClient.ContactDbViews().GetContactNameFromIdL(contactId)));

			if (error != KErrNone || !name.Size())

				{

				// cannot read contact name (e.g. the contact id doesnot exist

				// anymore) so fallback to using the log events phone number

				name.Assign(aEvent.Number().AllocL());

				}

			name.CleanupClosePushL();

			iClient.Exporter().ExportListingEntryL(handle, name);

			CleanupStack::PopAndDestroy(&name);

			}

		else

			{

			// no contact associated with log event so use number instead of name

			const TDesC& phoneNumber = aEvent.Number();

			iClient.Exporter().ExportListingEntryL(handle, phoneNumber);

			}			

		moreItemsToExport = ETrue;		

		}

	return moreItemsToExport;

	}

void CPbapChListingExporter::FetchingCompleteL()

	{

	LOG_FUNC	

	// no more listing entries to be exported so close listing

	iClient.Exporter().ExportListingEndL();	

	}

//

// CPbapChItemExporter

//

CPbapChItemExporter* CPbapChItemExporter::NewL(MVirtualFolderClient& aClient, 

											MPbapExporterCallback& aCallback,

										    CPbapChView& aViewToExport,

										    CPbapChView* aReadViewToExport, 

											TUint aStartIndex, 

											TInt aCount, 

											TVCardVersion aFormat, 

											TUint64 aFilter)

	{

	LOG_STATIC_FUNC

	CPbapChItemExporter* self = 

			new(ELeave) CPbapChItemExporter(aClient, aCallback, aViewToExport, aReadViewToExport,

											aStartIndex, aCount, aFormat, aFilter);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

CPbapChItemExporter::CPbapChItemExporter(MVirtualFolderClient& aClient,

										 MPbapExporterCallback& aCallback,

									     CPbapChView& aViewToExport,

									     CPbapChView* aReadViewToExport, 

										 TUint aStartIndex,

										 TInt aCount,

										 TVCardVersion aFormat,

										 TUint64 aFilter)

: CPbapChExporter(aClient, aCallback, aViewToExport, aReadViewToExport, aStartIndex, aCount),

iFormat(aFormat),

iFilter(aFilter)

	{

	LOG_FUNC

	}

TBool CPbapChItemExporter::EventFetchedL(const CLogEvent& aEvent, TInt aEventIndex)

	{

	LOG_FUNC

	TBool moreItemsToExport = EFalse;

	if(aEventIndex < iStartIndex)

		{

		// skip this event

		moreItemsToExport =ETrue;

		}

	else if (aEventIndex < iStartIndex + iCount)

		{

		// export the event

		iClient.Exporter().ExportCallHistoryL(aEvent, iFormat, iFilter);

		moreItemsToExport = ETrue;

		}

	return moreItemsToExport;

	}

void CPbapChItemExporter::FetchingCompleteL()

	{

	LOG_FUNC

	// do nothing

	}

//

// CPbapChSingleItemExporter

//

CPbapChSingleItemExporter* CPbapChSingleItemExporter::NewL(MVirtualFolderClient& aClient,

														   MPbapExporterCallback& aCallback,

													       CPbapChView& aViewToExport,

														   TInt aIndex,

														   TVCardVersion aFormat,

														   TUint64 aFilter)

	{

	LOG_STATIC_FUNC

	CPbapChSingleItemExporter* self =

		new(ELeave) CPbapChSingleItemExporter(aClient, aCallback, aViewToExport, aIndex, aFormat, aFilter);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

CPbapChSingleItemExporter::CPbapChSingleItemExporter(MVirtualFolderClient& aClient,

													 MPbapExporterCallback& aCallback,

													 CPbapChView& aViewToExport,

													 TInt aIndex,

													 TVCardVersion aFormat,

													 TUint64 aFilter)

: CPbapChExporter(aClient, aCallback, aViewToExport), iIndex(aIndex), iFormat(aFormat), iFilter(aFilter)

	{

	LOG_FUNC

	}

TBool CPbapChSingleItemExporter::PrepareForFetchingL(TUint aNumberOfEvents)

	{

	LOG_FUNC

	if (iIndex < 0 || iIndex >= aNumberOfEvents)

		{

		// attempting to export an event which doesnot exist 

		User::Leave(KErrNotFound);

		}

	return ETrue;	

	}

TBool CPbapChSingleItemExporter::EventFetchedL(const CLogEvent& aEvent, TInt aEventIndex)

	{

	LOG_FUNC

	if (aEventIndex == iIndex)

		{

		iClient.Exporter().ExportCallHistoryL(aEvent, iFormat, iFilter);

		return EFalse;

		}

	return ETrue;

	}

void CPbapChSingleItemExporter::FetchingCompleteL()

	{

	LOG_FUNC

	// do nothing

	}

//

// CPbapChCountExporter

//

CPbapChCountExporter* CPbapChCountExporter::NewL(MVirtualFolderClient& aClient,

												 MPbapExporterCallback& aCallback,

											     CPbapChView& aViewToExport,

											     CPbapChView* aReadViewToExport) 

	{

	LOG_STATIC_FUNC

	CPbapChCountExporter* self = new(ELeave) CPbapChCountExporter(aClient, aCallback,

																  aViewToExport, aReadViewToExport);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

CPbapChCountExporter::CPbapChCountExporter(MVirtualFolderClient& aClient,

										   MPbapExporterCallback& aCallback,

									       CPbapChView& aViewToExport,

									       CPbapChView* aReadViewToExport) 

: CPbapChExporter(aClient, aCallback, aViewToExport, aReadViewToExport)

	{

	LOG_FUNC

	}

TBool CPbapChCountExporter::PrepareForFetchingL(TUint aNumberOfEvents)

	{

	LOG_FUNC

	// the size of the phonebook is equal to the number of events in the log view

	iClient.Exporter().ExportPhonebookSizeL(aNumberOfEvents);

	// the phonebook size has been exported, so abort fetch

	return EFalse;

	}

TBool CPbapChCountExporter::EventFetchedL(const CLogEvent& /*aEvent*/, TInt /*aEventIndex*/)

	{

	LOG_FUNC

	//Release build should silently ignore the event

	__ASSERT_DEBUG(EFalse, Panic(EPbapChCountExporterFetchingFails));

	// do nothing (fetching should have been aborted)

	return EFalse;

	}

void CPbapChCountExporter::FetchingCompleteL()

	{

	LOG_FUNC

	// do nothing

	}