/*
 * Copyright 2010 Thomas McGuire <mcguire@kde.org>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301  USA
 */
#include "inserttextfilejob.h"

#include "composer/kmeditor.h"

#include <KCharsets>
#include <KDebug>
#include <KIO/Job>

#include <QTextCodec>

using namespace MessageComposer;

InsertTextFileJob::InsertTextFileJob( QTextEdit *editor, const KUrl &url )
    : KJob( editor ), mEditor( editor ), mUrl( url )
{
}

InsertTextFileJob::~InsertTextFileJob()
{
}

void InsertTextFileJob::slotFileData ( KIO::Job* job, const QByteArray& data )
{
    Q_UNUSED( job );
    mFileData += data;
}

void InsertTextFileJob::slotGetJobFinished( KJob* job )
{
    if ( job->error() ) {
        kWarning() << job->errorString();
        setError( job->error() );
        setErrorText( job->errorText() );
        emitResult();
        return;
    }

    if ( mEditor ) {
        if ( !mEncoding.isEmpty() ) {
            const QTextCodec *fileCodec = KGlobal::charsets()->codecForName( mEncoding );
            if ( fileCodec ) {
                mEditor->textCursor().insertText( fileCodec->toUnicode( mFileData.data() ) );
            } else {
                mEditor->textCursor().insertText( QString::fromLocal8Bit( mFileData.data() ) );
            }
        }
    }

    emitResult();
}

void InsertTextFileJob::setEncoding( const QString &encoding )
{
    mEncoding = encoding;
}

void InsertTextFileJob::start()
{
    KIO::TransferJob *job = KIO::get( mUrl );
    connect( job, SIGNAL(result(KJob*)),
             this, SLOT(slotGetJobFinished(KJob*)) );
    connect( job, SIGNAL(data(KIO::Job*,QByteArray)),
             this, SLOT(slotFileData(KIO::Job*,QByteArray)) );
    job->start();
}

