/*

* Copyright (c) 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:

*     The source file of the operation thread of file manager

*

*/

#include "fmoperationthread.h"

#include "fmoperationbase.h"

#include "fmdrivedetailstype.h"

#include "fmcommon.h"

#include "fmoperationcopy.h"

#include "fmoperationmove.h"

#include "fmoperationremove.h"

#include <QDir>

#include <QStack>

FmOperationThread::FmOperationThread( QObject *parent ) : QThread( parent ), mOperationBase( 0 )

{

}

FmOperationThread::~FmOperationThread()

{

}

int FmOperationThread::asyncCopy( FmOperationBase* operationBase )

{

    if( isRunning() ){

        return FmErrAlreadyStarted;

    }

    mOperationBase = operationBase;

    mOperationBase->setObjectName( "operationElement" );

    QMetaObject::connectSlotsByName( this );

    connect( mOperationBase, SIGNAL( askForRename( QString, QString* ) ),

        this, SLOT( onAskForRename( QString, QString* )), Qt::BlockingQueuedConnection );

    start();

    return FmErrNone;

}

int FmOperationThread::asyncMove( FmOperationBase* operationBase )

{

    if( isRunning() ){

        return FmErrAlreadyStarted;

    }

    mOperationBase = operationBase;

    mOperationBase->setObjectName( "operationElement" );

    QMetaObject::connectSlotsByName( this );

    connect( mOperationBase, SIGNAL( askForRename( QString, QString* ) ),

        this, SLOT( onAskForRename( QString, QString* )), Qt::BlockingQueuedConnection );

    start();

    return FmErrNone;

}

int FmOperationThread::asyncRemove( FmOperationBase* operationBase )

{

    if( isRunning() ){

        return FmErrAlreadyStarted;

    }

    mOperationBase = operationBase;

    mOperationBase->setObjectName( "operationElement" );

    QMetaObject::connectSlotsByName( this );

    start();

    return FmErrNone;

}

int FmOperationThread::asyncFormat( FmOperationBase* operationBase )

{

    if( isRunning() ){

        return FmErrAlreadyStarted;

    }

    mOperationBase = operationBase;

    mOperationBase->setObjectName( "operationElement" );

    QMetaObject::connectSlotsByName( this );

    start();

    return FmErrNone;

}

int FmOperationThread::asyncViewDriveDetails( FmOperationBase* operationBase )

{

     if( isRunning() ){

        return FmErrAlreadyStarted;

    }

    mOperationBase = operationBase;

    mOperationBase->setObjectName( "operationElement" );

    QMetaObject::connectSlotsByName( this );

    start();

    return FmErrNone;

}

int FmOperationThread::asyncViewFolderDetails( FmOperationBase* operationBase )

{

    if( isRunning() ){

        return FmErrAlreadyStarted;

    }

    mOperationBase = operationBase;

    mOperationBase->setObjectName( "operationElement" );

    QMetaObject::connectSlotsByName( this );

    start();

    return FmErrNone;

}

void FmOperationThread::stop()

{

    mStop = true;

}

void FmOperationThread::onAskForRename( const QString &srcFile, QString *destFile )

{

    emit askForRename( srcFile, destFile );

}

void FmOperationThread::on_operationElement_notifyPreparing( bool cancelable )

{

    emit notifyPreparing( cancelable );

}

void FmOperationThread::on_operationElement_notifyStart( bool cancelable, int maxSteps )

{

    emit notifyStart( cancelable, maxSteps );

}

void FmOperationThread::on_operationElement_notifyProgress( int currentStep )

{

    emit notifyProgress( currentStep );

}

void FmOperationThread::run()

{

    mStop = false;

    this->setPriority( LowestPriority );

    switch( mOperationBase->operationType() )

    {

    case FmOperationService::EOperationTypeCopy:

        {

        mErrString.clear();

        FmOperationCopy *operationCopy = static_cast<FmOperationCopy*>(mOperationBase);

        int ret = operationCopy->start( &mStop, &mErrString );

        switch( ret )

        {

        case FmErrCancel:

            emit notifyCanceled();

            break;

        case FmErrNone:

            emit notifyFinish();

            break;

        default:

            emit notifyError( ret, mErrString );

            break;

        }

        // refresh driveview no care if cancel, error or finished.

        emit refreshModel( QString("") );

        break;

        }

    case FmOperationService::EOperationTypeMove:

        {

        mErrString.clear();

        FmOperationMove *operationMove = static_cast<FmOperationMove*>(mOperationBase);

        QString refreshSrcPath = QFileInfo( operationMove->sourceList().front() ).dir().absolutePath();

        int ret = operationMove->start( &mStop, &mErrString );

        switch( ret )

        {

        case FmErrCancel:

            emit notifyCanceled();

            break;

        case FmErrNone:

            emit notifyFinish();

            emit refreshModel( refreshSrcPath );

            emit refreshModel( operationMove->targetPath() );

            break;

        default:

            emit notifyError( ret, mErrString );

        }

        // refresh driveview no care if cancel, error or finished.

        emit refreshModel( QString("") );

        break;

        }

    case FmOperationService::EOperationTypeRemove:

        {

        mErrString.clear();

        FmOperationRemove *operationRemove = static_cast<FmOperationRemove*>(mOperationBase);

        QString refreshSrcPath = QFileInfo( operationRemove->pathList().front() ).dir().absolutePath();

        int ret = operationRemove->start( &mStop, &mErrString );

        switch( ret )

        {

        case FmErrCancel:

            emit notifyCanceled();

            break;

        case FmErrNone:

            emit notifyFinish();

            break;

        default:

            emit notifyError( ret, mErrString );

        }

        // refresh driveview no care if cancel, error or finished.

        emit refreshModel( QString("") );

        break;

        }

    case FmOperationService::EOperationTypeFormat:

        {

        FmLogger::log(QString("start format"));

        FmOperationFormat *operationFormat = static_cast<FmOperationFormat*>( mOperationBase );

        FmLogger::log(QString("get param and start format"));

        QString refreshSrcPath = operationFormat->driverName();

            emit notifyError(  FmErrTypeFormatFailed, operationFormat->driverName() );

            return;

        }

        FmLogger::log(QString("format done"));

        emit notifyFinish();

        emit refreshModel( refreshSrcPath );

        FmLogger::log(QString("format done and emit finish"));

        break;

        }

    case FmOperationService::EOperationTypeDriveDetails:

        {

            emit notifyWaiting( true );

            FmOperationDriveDetails *operationDriverDetails = static_cast<FmOperationDriveDetails*>( mOperationBase );

            int ret = FmDriveDetailsContent::querySizeofContent(

                operationDriverDetails->driverName(), operationDriverDetails->detailsSizeList(), &mStop );

            if( ret == FmErrNone ) {

                emit notifyFinish();

            } else if( ret == FmErrCancel ) {

                emit notifyCanceled();

            }

            break;

        }

    case FmOperationService::EOperationTypeFolderDetails:

        {

            emit notifyWaiting( true );

            FmOperationFolderDetails *operationFolderDetails = static_cast<FmOperationFolderDetails*>( mOperationBase );

            int ret = FmFolderDetails::getNumofSubfolders( operationFolderDetails->folderPath(), operationFolderDetails->numofSubFolders(), 

                                                           operationFolderDetails->numofFiles(), operationFolderDetails->sizeofFolder(), 

                                                           &mStop );

            if( ret == FmErrNone ) {

                emit notifyFinish();

            } else if( ret == FmErrCancel ) {

                emit notifyCanceled();

            }

            break;

        }

    default:

        Q_ASSERT( false );

    }

}