/*

 * 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:

 *     Zhiqiang Yang <zhiqiang.yang@nokia.com>

 * 

 * Description:

 *     The find thread header file of file manager

 */

#include "fmfindthread.h"

#include <QDir>

FmFindThread::FmFindThread( QStringList *r, QObject *parent )

    : QThread( parent )

{

    mResult = r;

}

FmFindThread::~FmFindThread()

{

}

QString FmFindThread::findPath() const

{

    return mFindPath;

}

void FmFindThread::setFindPath( const QString &path )

{

    mFindPath = path;

}

QRegExp FmFindThread::pattern() const

{

    return findPattern;

}

void FmFindThread::setPattern( const QRegExp &regExp )

{

    findPattern = regExp;

}

void FmFindThread::stop()

{

    mStop = true;

}

void FmFindThread::run()

{

    mStop = false;

    setPriority( LowPriority );

    if (findPattern.isEmpty() || !findPattern.isValid())

        return;

    QDir dir( mFindPath );

    if (!dir.exists())

        return;

    if( mFindPath.isEmpty() ){

        findInResult();

        return;

    }

    QList<QDir> findDirs;

    findDirs.append( dir );

    count = 0;

    time.restart();

    mStop = false;

    while (!findDirs.isEmpty()) {

        QFileInfoList infoList = findDirs.first().entryInfoList();

        for (QFileInfoList::Iterator it = infoList.begin(); it != infoList.end(); ++it) {

			QString name = it->fileName();

			QString absolutPath = it->absoluteFilePath();

            if (findPattern.exactMatch( it->fileName() )) {

                mResult->append( it->absoluteFilePath() );

                ++count;

                if (count > 5)

                    emitFound();

                if (time.elapsed() > 500 && count > 0)

                    emitFound();

            }

            //We are stopped;

            if (mStop) {

                if( count > 0 ) {

                    emitFound();

                }

                return;

            }

            if (it->isDir() && it->fileName() != ".." && it->fileName() != "." )

                findDirs.append( QDir( it->absoluteFilePath() ) );

        }

        findDirs.removeFirst();

    }

    if( count > 0 ) {

        emitFound();

    }

}

void FmFindThread::emitFound()

{

    emit found( count );

    count = 0;

    time.restart();

}

void FmFindThread::setLastResult( QStringList r )

{

    mLastResult = r;

}

void FmFindThread::findInResult()

{

    if( mFindPath.isEmpty() ){

        int count = mLastResult.count();

        for (QStringList::Iterator it = mLastResult.begin(); it != mLastResult.end(); ++it) { 

            if (mStop){

                return;

            }

            QString absolutPath = (*it);

            QFileInfo fileInfo( absolutPath );

            QString fileName = fileInfo.fileName();

            if (findPattern.exactMatch( fileName ) ) {

                mResult->append( absolutPath );

                ++count;

                if (count > 5)

                    emitFound();

                if (time.elapsed() > 500 && count > 0)

                   emitFound();

            }

        }    

    }

}