/*

* Copyright (c) 2002 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:  This class is player with DataSource

*

*/

package com.nokia.microedition.media;

import javax.microedition.media.protocol.DataSource;

import javax.microedition.media.protocol.SourceStream;

import javax.microedition.media.MediaException;

import java.io.IOException;

import com.nokia.microedition.media.protocol.SourceStreamReader;

import com.nokia.mj.impl.utils.Logger;

/**

 * This class add to PlayerImpl DataSource handling.

 */

public class SourcePlayer extends PlayerImpl

{

    //

    protected DataSource iDataSource;

    // Used to SourceStream to native side

    protected SourceStreamReader iSourceStreamReader;

    /**

     * Constructor

     * @param aDataSource Handle to DataSource

     * @param aPlayerHandle handle to player (CMMAPlayer)

     */

    public SourcePlayer(DataSource aDataSource,

                        int aPlayerHandle) throws MediaException

    {

        super(aPlayerHandle);

        iDataSource = aDataSource;

        Logger.LOG(Logger.EJavaMMAPI, Logger.EInfo,"SourcePlayer player handle = " + aPlayerHandle);

        // Create reader for the stream

        iSourceStreamReader = new SourceStreamReader(

            aDataSource.getStreams()[ 0 ],

            aDataSource, // Controllable object

            ManagerImpl.getEventSource(),

            aPlayerHandle);

        // Create SourceStreamReader in native side

        int nativeHandle = _addSourceStream(ManagerImpl.getEventSource(),

                                            iPlayerHandle,

                                            iSourceStreamReader);

        // Failed to create a native-side CMMASourceStream

        if (nativeHandle <= 0)

        {

            throw new MediaException("Could not create Player, Symbian OS error: "

                                     + nativeHandle);

        }

        // Assing java object to corresponding native object

        iSourceStreamReader.setHandle(nativeHandle);

    }

    /**

     * From PlayerBase

     * @see PlayerBase

     */

    public void doPrefetch() throws MediaException

    {

        // DataSource connect must reset its SourceStream if DataSource is

        // disconnected.

        try

        {

            iDataSource.connect();

        }

        catch (IOException ioe)

        {

            throw new MediaException("IOException occurred, " + ioe.getMessage());

        }

        super.doPrefetch();

    }

    /**

     * interface PlayerImpl

     * @see PlayerImpl

     */

    public void doDeallocate()

    {

        if (iDataSource.getStreams()[ 0 ].getSeekType() ==

                SourceStream.NOT_SEEKABLE)

        {

            // if stream is not seekable we have to disconnect the whole source

            // and re-connect it if prefetch is called

            iDataSource.disconnect();

        }

        else

        {

            // stream is RANDOM_ACCESSIBLE or SEEKABLE_TO_START and can be

            // seeked to beginning of the stream

            iSourceStreamReader.resetStream();

        }

        super.doDeallocate();

    }

    /**

     * interface Player

     * @see Player

     */

    public void close()

    {

        super.close();

        // close threads from SourceStreamReaders

        iSourceStreamReader.close();

        iDataSource.disconnect();

    }

}

// End of File