javauis/mmapi_qt/baseline/javasrc/com/nokia/microedition/media/protocol/SeekThread.java
changeset 23 98ccebc37403
child 72 1f0034e370aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/mmapi_qt/baseline/javasrc/com/nokia/microedition/media/protocol/SeekThread.java	Fri May 14 15:47:24 2010 +0300
@@ -0,0 +1,69 @@
+/*
+* 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:  Thread that calls SeekControl's seek method.
+*
+*/
+
+package com.nokia.microedition.media.protocol;
+
+import com.nokia.microedition.media.SeekControl;
+import com.nokia.mj.impl.utils.Logger;
+
+/**
+ * Thread that calls SeekControl's seek method.
+ */
+class SeekThread extends Thread
+{
+    // control to call in run method
+    final private SeekControl iSeekControl;
+
+    // object to notify when seek is ready
+    final private Object iWaitObject;
+
+    /**
+     * Public constructor.
+     * @param aWwaitObject Object to notify when ready
+     * @param aSeekControl Control to seek.
+     */
+    public SeekThread(Object aWaitObject,
+                      SeekControl aSeekControl)
+    {
+        iWaitObject = aWaitObject;
+        iSeekControl = aSeekControl;
+    }
+
+    /**
+     * From Thread class.
+     */
+    public void run()
+    {
+        try
+        {
+            iSeekControl.seek(0);
+        }
+        catch (Exception e)
+        {
+            // If seek fails, stream cannot be read and SeekControl's target
+            // read must return -1 or throw an exception.
+            Logger.ELOG(Logger.EJavaMMAPI,
+                        "MMA::SourceStreamReader::read seek exception ", e);
+        }
+
+        // notify that seek is ready
+        synchronized (iWaitObject)
+        {
+            iWaitObject.notify();
+        }
+    }
+}