/*

 * 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:

 *     Yong Zhang <yong.5.zhang@nokia.com>

 * 

 * Description:

 *     The driver model file for file manager

 */

#include "fmdriverlistwidget.h"

#include "listviewitems.h"

#include "fmutils.h"

#include "fmdlgutils.h"

#include "fmviewmanager.h"

#include "fmviewdetailsdialog.h"

#include "fmoperationbase.h"

#include "fmdrivemodel.h"

#include "fmfiledialog.h"

#include <QDirModel>

#include <QGraphicsLinearLayout>

#include <QFileSystemWatcher>

#include <hblistview.h>

#include <hbmenu.h>

#include <hbaction.h>

#include <hbmessagebox.h>

#include <hbsearchpanel.h>

FmDriverListWidget::FmDriverListWidget( QGraphicsItem *parent )

: HbWidget( parent ),

  mCurrentItem( 0 ),

{

	init();

	mOperationService = FmViewManager::viewManager()->operationService();

    mFileSystemWatcher = new QFileSystemWatcher( this );

    connect( mFileSystemWatcher, SIGNAL( directoryChanged ( const QString & ) ), 

            this, SLOT( on_directoryChanged( const QString & ) ) ); 

    QMetaObject::connectSlotsByName( this );

}

FmDriverListWidget::~FmDriverListWidget()

{

}

void FmDriverListWidget::on_list_activated( const QModelIndex &index )

{

}

void FmDriverListWidget::init()

{

	mLayout = new QGraphicsLinearLayout( this );

	mLayout->setOrientation( Qt::Vertical );

	mListView = new HbListView( this );

	mListView->setSelectionMode( HbAbstractItemView::SingleSelection );

	mModel = new FmDriveModel( this,

         FmDriveModel::FillWithVolume | FmDriveModel::FillWithDefaultVolume );

	mListView->setModel( mModel );

	mLayout->addItem( mListView );

	mSearchPanel = new HbSearchPanel( this );

	mSearchPanel->setObjectName( "searchPanel" );

	mSearchPanel->setSearchOptionsEnabled( true );

	mSearchPanel->setProgressive( false );

	mSearchPanel->hide();

//	mLayout->addItem( mSearchPanel );

	connect( mListView, SIGNAL( activated( const QModelIndex & ) ),

		     this, SLOT( on_list_activated( const QModelIndex & ) ) );

    connect( mListView, SIGNAL( longPressed( HbAbstractViewItem *, const QPointF & ) ),

        this, SLOT( on_list_longPressed( HbAbstractViewItem *, const QPointF & ) ) );

    connect( mSearchPanel, SIGNAL( searchOptionsClicked() ),

        this, SLOT( on_searchPanel_searchOptionsClicked() ) );

    connect( mSearchPanel, SIGNAL( criteriaChanged( const QString & ) ),

        this, SLOT( on_searchPanel_criteriaChanged( const QString & ) ) );

    connect( mSearchPanel, SIGNAL( exitClicked() ),

        this, SLOT( on_searchPanel_exitClicked() ) );

    setLayout( mLayout );

}

void FmDriverListWidget::refreshModel( const QString &path )

{

    Q_UNUSED( path );

    mModel->refresh();

}

void FmDriverListWidget::on_list_longPressed( HbAbstractViewItem *item, const QPointF &coords )

{   

    mCurrentItem = item;

    QString diskName = mModel->driveName( mCurrentItem->modelIndex() );

    FmDriverInfo driverInfo = FmUtils::queryDriverInfo( diskName );

    FmDriverInfo::DriveState state = driverInfo.driveState();

        }

        }

        if( state & FmDriverInfo::EDriveEjectable ){

            HbAction *ejectAction = new HbAction();

            ejectAction->setObjectName( "ejectAction" );

            ejectAction->setText( hbTrId( "txt_fmgr_menu_eject" ) );

            contextMenu->addAction( ejectAction );

            connect( ejectAction, SIGNAL( triggered() ),

            this, SLOT( on_ejectAction_triggered() ) );

    }

}

void FmDriverListWidget::on_viewAction_triggered()

{

    QString diskName = mModel->driveName( mCurrentItem->modelIndex() );

    mOperationService->asyncViewDriveDetails( diskName );

}

void FmDriverListWidget::on_renameAction_triggered()

{    

    QString diskName = mModel->driveName( mCurrentItem->modelIndex() );

    FmDriverInfo::DriveState state = FmUtils::queryDriverInfo( diskName ).driveState();

    FmDriverInfo driverInfo = FmUtils::queryDriverInfo( diskName );

    if ( state & FmDriverInfo::EDriveWriteProtected ){

        HbMessageBox::information( hbTrId( "Unable to perform operation. Memory card is read only." ) );

        return;

        }

    QString title( tr( "Drive name ") );  

    QString volumeName = driverInfo.volumeName();

    QString associatedDrives( FmUtils::getDriveLetterFromPath( diskName ) );

    while( FmDlgUtils::showTextQuery( title, volumeName, false, FmMaxLengthofDriveName, associatedDrives ) ){

        int err = FmUtils::renameDrive( diskName, volumeName );

        if ( err == FmErrNone ){

            HbMessageBox::information( hbTrId( "The name has been changed!" ) );

            mModel->refresh();

            break;

        } else if( err == FmErrBadName ) {

            HbMessageBox::information( hbTrId( "Illegal characters! Use only letters and numbers." ) );

        } else{

            HbMessageBox::information( hbTrId( "Error occurred, operation cancelled!" ) );

            break;

        }                

    }

}

void FmDriverListWidget::on_nameAction_triggered()

{

    on_renameAction_triggered();

}

void FmDriverListWidget::on_setPwdAction_triggered()

{

    QString firstLabel( hbTrId( "New Password: ") );

    QString secondLabel( hbTrId( "Confirm new Password: ") );

    QString oldPwd;

    QString newPwd;

    FmUtils::emptyPwd( oldPwd );

    QString diskName = mModel->driveName( mCurrentItem->modelIndex() );

    QString associatedDrives( FmUtils::getDriveLetterFromPath( diskName ) );

       if ( FmUtils::setDrivePwd( diskName, oldPwd, newPwd ) == 0 ){

            HbMessageBox::information( hbTrId( "The password has been set!" ) );

        }

        else{

            HbMessageBox::information( hbTrId( "Error occurred, operation cancelled!" ) );

        }

    }

}

void FmDriverListWidget::on_changePwdAction_triggered()

{

    QString title( hbTrId( "Password: ")  );

    QString firstLabel( hbTrId( "New Password: ") );

    QString secondLabel( hbTrId( "Confirm new Password: ") );

    QString oldPwd;

    QString newPwd;

    QString diskName = mModel->driveName( mCurrentItem->modelIndex() );

    QString associatedDrives( FmUtils::getDriveLetterFromPath( diskName ) );

       if ( FmUtils::checkDrivePwd( diskName, oldPwd ) == 0 ){

            if( FmDlgUtils::showMultiPasswordQuery( firstLabel, secondLabel, newPwd ) ){

                if ( FmUtils::setDrivePwd( diskName, oldPwd, newPwd ) == 0 ){

                    HbMessageBox::information( hbTrId( "The password has been changed!" ) );

                } else {

                    HbMessageBox::information( hbTrId( "Error occurred, operation cancelled!" ) );

                }

                break;

            } else {  

                //cancel muti password query

                break;

            }

       } else {

            HbMessageBox::information( hbTrId( "The password is incorrect, try again!" ) );

       }

    }

}

void FmDriverListWidget::on_removePwdAction_triggered()

{

    QString title( hbTrId( "Password: ")  );

    QString oldPwd;

    QString diskName = mModel->driveName( mCurrentItem->modelIndex() );

    //QString password( tr( "a ") );

        QString associatedDrives( FmUtils::getDriveLetterFromPath( diskName ) );

            if ( FmUtils::checkDrivePwd( diskName, oldPwd ) == 0 ) {

                if ( FmUtils::removeDrivePwd( diskName, oldPwd ) == 0 ){

                    HbMessageBox::information( hbTrId( "The password has been removed!" ) );

                }

                else{

                    HbMessageBox::information( hbTrId( "Error occurred, operation cancelled!" ) );

                }

                break;

            }

            else {

                HbMessageBox::information( hbTrId( "The password is incorrect, try again!" ) );

            }

        }

    }

}

void FmDriverListWidget::on_unLockedAction_triggered()

{

    QString title( hbTrId( "Password: ")  );

    QString oldPwd;

    QString diskName = mModel->driveName( mCurrentItem->modelIndex() );

    //Do not add associatedDrives as Locked MMC is not available Drive but only present Drive

    while( FmDlgUtils::showSinglePasswordQuery( title, oldPwd ) ) {

        int err = FmUtils::unlockDrive( diskName, oldPwd );

        if( err == FmErrNone ) {

            HbMessageBox::information( hbTrId( "The memory is unlocked!" ) );

            break;

        } else if ( err == FmErrAccessDenied ) {

            HbMessageBox::information( hbTrId( "The password is incorrect, try again!" ) );

        } else if (err == FmErrAlreadyExists ) {

            HbMessageBox::information( hbTrId( "The disk has already been unlocked!" ) );

            break;

        } else if( err == FmErrNotSupported ) {

            HbMessageBox::information( hbTrId( "The media does not support password locking!" ) );

            break;

        } else {

            HbMessageBox::information( hbTrId( "Error occurred, operation cancelled!" ) );

            break;

        }

    }

}

void FmDriverListWidget::on_formatAction_triggered()

{

    QString diskName = mModel->driveName( mCurrentItem->modelIndex() );

        if( FmErrNone != mOperationService->asyncFormat( diskName ) )

            HbMessageBox::information( hbTrId( "Formatting failed." ) );

        }

}

void FmDriverListWidget::on_ejectAction_triggered()

{

    QString diskName = mModel->driveName( mCurrentItem->modelIndex() );

        FmUtils::ejectDrive( diskName );

    }

}

void FmDriverListWidget::on_directoryChanged( const QString &path )

{

    Q_UNUSED( path );

    mModel->refresh();

}

void FmDriverListWidget::activeSearchPanel()

{

    mLayout->addItem( mSearchPanel );

    mSearchPanel->show();

}

void FmDriverListWidget::on_searchPanel_searchOptionsClicked()

{

    mFindTargetPath = FmFileDialog::getExistingDirectory( 0, hbTrId( "Look in:" ),

        QString(""), QStringList() );

}

void FmDriverListWidget::on_searchPanel_criteriaChanged( const QString &criteria )

{

    emit startSearch( mFindTargetPath, criteria );

    mSearchPanel->hide();

    mLayout->removeItem( mSearchPanel );

}

void FmDriverListWidget::on_searchPanel_exitClicked()

{

    mSearchPanel->hide();

    mLayout->removeItem( mSearchPanel );

}