/*

* Copyright (c) 2008-2010 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:

*

*/

package com.nokia.mj.impl.installer.midp2.install.steps;

import com.nokia.mj.impl.installer.downloader.DownloadListener;

import com.nokia.mj.impl.installer.downloader.DownloadInfo;

import com.nokia.mj.impl.installer.ui.InstallerUi;

import com.nokia.mj.impl.installer.utils.InstallerException;

import com.nokia.mj.impl.installer.utils.Log;

/**

 * DownloadListener implementation for MIDP2 jad and jar downloads.

 */

public class DlListener implements DownloadListener

{

    private InstallBall iBall = null;

    private DownloadInfo iDlInfo = null;

    // InstallerUI instance.

    private InstallerUi iInstallerUi = null;

    DlListener(InstallBall aBall)

    {

        iBall = aBall;

        if (iBall != null)

        {

            iInstallerUi = iBall.getInstallerUi();

        }

    }

    /** Download has started. */

    public void started(DownloadInfo aDlInfo)

    {

        iDlInfo = aDlInfo;

        iBall.log("Downloading " + iDlInfo.getUrl());

        if (iInstallerUi != null)

        {

            try

            {

                iInstallerUi.started(getUiDlInfo(aDlInfo));

            }

            catch (Throwable t)

            {

                Log.logError(

                    "DlListener: InstallerUi.started threw exception", t);

            }

        }

    }

    /** Download has progressed. */

    public void updateProgress(DownloadInfo aDlInfo)

    {

        iDlInfo = aDlInfo;

        iBall.log("Downloaded " + iDlInfo.getProgress() + " %");

        if (iInstallerUi != null)

        {

            try

            {

                iInstallerUi.updateProgress(getUiDlInfo(aDlInfo));

            }

            catch (Throwable t)

            {

                Log.logError(

                    "DlListener: InstallerUi.updateProgress threw exception", t);

            }

        }

        if (iBall.iSifNotifier != null)

        {

            try

            {

                iBall.iSifNotifier.notifyProgress(

                    iBall.iSifNotifier.SUB_OP_DOWNLOAD,

                    (int)aDlInfo.getCurrentSize(),

                    (int)aDlInfo.getTotalSize());

            }

            catch (Throwable t)

            {

                Log.logError(

                    "DlListener: SifNotifier.notifyProgress threw exception", t);

            }

        }

    }

    /** Download has ended. */

    public void ended(DownloadInfo aDlInfo)

    {

        iDlInfo = aDlInfo;

        if (iInstallerUi != null)

        {

            try

            {

                iInstallerUi.ended(getUiDlInfo(aDlInfo));

            }

            catch (Throwable t)

            {

                Log.logError(

                    "DlListener: InstallerUi.ended threw exception", t);

            }

        }

        if (iBall != null)

        {

            String dlInfoStr = "\n" + iDlInfo.toString();

            iBall.addTimesMsg(dlInfoStr);

        }

    }

    /**

     * Downloader needs username and password for HTTP authentication.

     * This method returns an array of two strings, the first being username

     * and second being password. If username and password cannot be obtained,

     * method returns null.

     *

     * @param aUrl URL for which username and password is needed.

     */

    public String[] getUsernamePassword(String aUrl)

    {

        String[] result = null;

        if (iBall != null &&

                iBall.iDownloadUsername != null &&

                iBall.iDownloadPassword != null)

        {

            result = new String[]

            {

                iBall.iDownloadUsername, iBall.iDownloadPassword

            };

        }

        if (result == null && iInstallerUi != null)

        {

            try

            {

                result = iInstallerUi.getUsernamePassword(aUrl);

            }

            catch (Throwable t)

            {

                Log.logError(

                    "DlListener: InstallerUi.getUsernamePassword threw exception", t);

            }

        }

        return result;

    }

    /**

     * Get last notified DownloadInfo.

     */

    DownloadInfo getDlInfo()

    {

        return iDlInfo;

    }

    /**

     * Returns Downloadinfo object used in the InstallerUi API.

     */

    private com.nokia.mj.impl.installer.ui.DownloadInfo getUiDlInfo

    (DownloadInfo aDlInfo)

    {

        String name = null;

        if (iBall.iSuite != null)

        {

            name = iBall.iSuite.getName();

        }

        com.nokia.mj.impl.installer.ui.DownloadInfo result =

            new com.nokia.mj.impl.installer.ui.DownloadInfo

        (aDlInfo.getUrl(), name);

        result.setCurrentSize(aDlInfo.getCurrentSize());

        result.setTotalSize(aDlInfo.getTotalSize());

        return result;

    }

}