javauis/mmapi_qt/baseline/javasrc/com/nokia/microedition/media/protocol/SeekThread.java
branchRCL_3
changeset 24 0fd27995241b
child 72 1f0034e370aa
equal deleted inserted replaced
20:f9bb0fca356a 24:0fd27995241b
       
     1 /*
       
     2 * Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  Thread that calls SeekControl's seek method.
       
    15 *
       
    16 */
       
    17 
       
    18 package com.nokia.microedition.media.protocol;
       
    19 
       
    20 import com.nokia.microedition.media.SeekControl;
       
    21 import com.nokia.mj.impl.utils.Logger;
       
    22 
       
    23 /**
       
    24  * Thread that calls SeekControl's seek method.
       
    25  */
       
    26 class SeekThread extends Thread
       
    27 {
       
    28     // control to call in run method
       
    29     final private SeekControl iSeekControl;
       
    30 
       
    31     // object to notify when seek is ready
       
    32     final private Object iWaitObject;
       
    33 
       
    34     /**
       
    35      * Public constructor.
       
    36      * @param aWwaitObject Object to notify when ready
       
    37      * @param aSeekControl Control to seek.
       
    38      */
       
    39     public SeekThread(Object aWaitObject,
       
    40                       SeekControl aSeekControl)
       
    41     {
       
    42         iWaitObject = aWaitObject;
       
    43         iSeekControl = aSeekControl;
       
    44     }
       
    45 
       
    46     /**
       
    47      * From Thread class.
       
    48      */
       
    49     public void run()
       
    50     {
       
    51         try
       
    52         {
       
    53             iSeekControl.seek(0);
       
    54         }
       
    55         catch (Exception e)
       
    56         {
       
    57             // If seek fails, stream cannot be read and SeekControl's target
       
    58             // read must return -1 or throw an exception.
       
    59             Logger.ELOG(Logger.EJavaMMAPI,
       
    60                         "MMA::SourceStreamReader::read seek exception ", e);
       
    61         }
       
    62 
       
    63         // notify that seek is ready
       
    64         synchronized (iWaitObject)
       
    65         {
       
    66             iWaitObject.notify();
       
    67         }
       
    68     }
       
    69 }