/*

* 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:  Backup-Restore Queue implementation

*

*/

// INCLUDE FILES

#include "sconbrqueue.h"

#include "sconbackuprestore.h"

#include "sconpcdconsts.h"

#include "sconinstqueue.h"

#include "debug.h"

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

// CSConBackupRestoreQueue::NewL( const TInt aMaxObjectSize )

// Two-phase constructor

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

//

CSConBackupRestoreQueue* CSConBackupRestoreQueue::NewL( const TInt aMaxObjectSize, RFs& aFs )

	{

	TRACE_FUNC_ENTRY;

	CSConBackupRestoreQueue* self = new (ELeave) CSConBackupRestoreQueue();

	CleanupStack::PushL( self );

	self->ConstructL( aMaxObjectSize, aFs );

	CleanupStack::Pop( self );

	TRACE_FUNC_EXIT;

    return self;

	}

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

// CSConBackupRestoreQueue::CSConBackupRestoreQueue()

// Destructor

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

//

CSConBackupRestoreQueue::CSConBackupRestoreQueue() : 

					CActive( EPriorityStandard )

	{

	}

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

// CSConBackupRestoreQueue::ConstructL( const TInt aMaxObjectSize )

// Initializes member data

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

//

void CSConBackupRestoreQueue::ConstructL( const TInt aMaxObjectSize, RFs& aFs )

	{

	TRACE_FUNC_ENTRY;

	iBackupRestore = CSConBackupRestore::NewL( this, aMaxObjectSize, aFs );

	CActiveScheduler::Add( iBackupRestore );

	User::LeaveIfError( iTimer.CreateLocal() );

	TRACE_FUNC_EXIT;

	}

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

// CSConBackupRestoreQueue::~CSConBackupRestoreQueue()

// Destructor

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

//

CSConBackupRestoreQueue::~CSConBackupRestoreQueue()

	{

	TRACE_FUNC_ENTRY;

	Cancel();

	if( iBackupRestore )

		{

		delete iBackupRestore;

		iBackupRestore = NULL;

		}

	TRACE_FUNC_EXIT;

	}

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

// CSConBackupRestoreQueue::StartQueue()

// Starts queue polling

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

//

void CSConBackupRestoreQueue::StartQueue()	

	{

	TRACE_FUNC_ENTRY;

	if( IsActive() )

		{

		Cancel();

		}

	iTimer.After( iStatus, KSConTimerValue );

	SetActive();

	TRACE_FUNC_EXIT;

	}

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

// CSConBackupRestoreQueue::StopQueue()

// Stops queue polling

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

//

void CSConBackupRestoreQueue::StopQueue()	

	{

	TRACE_FUNC_ENTRY;

	iTimer.Cancel();

	TRACE_FUNC_EXIT;

	}

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

// CSConBackupRestoreQueue::AddNewTask( CSConTask*& aNewTask, TInt aTaskId )

// Adds a new task to queue

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

//

TInt CSConBackupRestoreQueue::AddNewTask( CSConTask*& aNewTask, TInt aTaskId )

	{

	LOGGER_WRITE_1( "CSConBackupRestoreQueue::AddNewTask aTaskId: %d", aTaskId );

	TInt ret( KErrNone );

	aNewTask->iTaskId = aTaskId;

	//Set progress value "task accepted for execution"

	aNewTask->SetProgressValue( KSConCodeTaskCreated );

	aNewTask->SetCompleteValue( EFalse );

	//For RequestData and SupplyData

	if( iQueue.Find( aNewTask, CSConTaskQueue::Match ) != KErrNotFound )

		{

		RemoveTask( aTaskId );

		}

	if( iQueue.Count() == 0 )

		{

		StartQueue();

		}

	ret = iQueue.InsertInOrder( aNewTask, CSConTaskQueue::Compare );

	LOGGER_WRITE_1( "CSConBackupRestoreQueue::AddNewTask() : returned %d", ret );

	return ret;

	}

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

// CSConBackupRestoreQueue::CancelTask( TInt aTask, TBool aAllTasks )

// Cancels a task

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

//

void CSConBackupRestoreQueue::CancelTask( TInt aTask, TBool aAllTasks )

	{

	TRACE_FUNC_ENTRY;

	//Stop backup/restore

	if( aTask && !aAllTasks )

		{

		LOGGER_WRITE_1("CSConBackupRestoreQueue::CancelTask - Cancel task: %d", aTask);

		iBackupRestore->StopBackupRestore( aTask );

		}

	if( aAllTasks )

		{

		LOGGER_WRITE("CSConBackupRestoreQueue::CancelTask - Cancel All");

		iBackupRestore->Cancel();

		iBackupRestore->Reset();

		}

	CSConTaskQueue::CancelTask( aTask, aAllTasks );

	TRACE_FUNC_EXIT;

	}

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

// CSConBackupRestoreQueue::Reset()

// Resets the queue

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

//

void CSConBackupRestoreQueue::Reset()

	{

	TRACE_FUNC_ENTRY;

	CSConTaskQueue::Reset();

	iBackupRestore->Reset();

	TRACE_FUNC_EXIT;

	}

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

// CSConBackupRestoreQueue::QueueAddress( CSConInstallerQueue*& aTaskQueue )

// An address pointer to another queue

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

//

void CSConBackupRestoreQueue::QueueAddress( CSConInstallerQueue*& aTaskQueue )

	{

	TRACE_FUNC;

	iInstQueueAddress = aTaskQueue;

	}

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

// CSConBackupRestoreQueue::GetTaskMethod( TInt& aTaskId )

// Returns the task type

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

//		

TSConMethodName CSConBackupRestoreQueue::GetTaskMethodL( TInt aTaskId )

	{

	TRACE_FUNC_ENTRY;

	CSConTask* task = NULL;

	CSConTaskQueue::GetTask( aTaskId, task );

	LOGGER_WRITE_1( "CSConBackupRestoreQueue::GetTaskMethodL( TInt aTaskId ) : returned %d",

        task->GetServiceId() );

	return task->GetServiceId();

	}

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

// CSConBackupRestoreQueue::PollQueue()

// Polls queue

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

//

void CSConBackupRestoreQueue::PollQueue()

	{

	// find and start next task if BR and installer is inactive

	if( !iBackupRestore->BackupRestoreActive()

		&& !iInstQueueAddress->QueueProcessActive() )

		{

		//find next task

		for( TInt i = 0; i < iQueue.Count(); i++ )

			{

			TBool complete = iQueue[i]->GetCompleteValue();

			if( complete == EFalse )

				{

				iBackupRestore->StartBackupRestore( 

				iQueue[i]->iTaskId );

				i = iQueue.Count() + 1; // jump out from loop

				}

			}

		}

	}

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

// Implementation of CActive::DoCancel()

// Entry to CSConPCD

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

//

void CSConBackupRestoreQueue::DoCancel()

	{

	TRACE_FUNC_ENTRY;

	iTimer.Cancel();

	TRACE_FUNC_EXIT;

	}

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

// Implementation of CActive::RunL()

// Entry to CSConPCD

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

//

void CSConBackupRestoreQueue::RunL()

	{

	TRACE_FUNC_ENTRY;

	LOGGER_WRITE_1( "There are still %d tasks in this queue", iQueue.Count() );

	if( iQueue.Count() > 0 )

		{

		PollQueue();

		StartQueue();

		}

	TRACE_FUNC_EXIT;

	}

// End of file