--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/mmapi_qt/baseline/javasrc/com/nokia/mj/impl/properties/mobilemedia/DynamicPropertyHandler.java	Fri May 14 15:47:24 2010 +0300
@@ -0,0 +1,118 @@
+/*
+* Copyright (c) 2007 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.properties.mobilemedia;
+
+import com.nokia.mj.impl.rt.support.SystemPropertyProvider;
+import javax.microedition.media.Manager;
+
+/**
+ * A class for handling dynamic system properties of MobileMedia API.
+ */
+public class DynamicPropertyHandler implements SystemPropertyProvider
+{
+
+    /*
+     * Constants for identifying the asked property.
+     */
+    private static String AUDIO_ENCODINGS = "audio.encodings";
+    private static String SUPPORTS_VIDEO_CAPTURE = "supports.video.capture";
+    private static String VIDEO_ENCODINGS = "video.encodings";
+
+    // start of the audio content types
+    private static final String AUDIO = "audio";
+
+    // special audio encoding strings which are defined in the JSR
+    private static final String AUDIO_ENCODINGS_JSR =
+        " encoding=pcm encoding=ulaw encoding=gsm";
+
+    // start of the video content types
+    private static final String VIDEO = "video";
+
+
+    /* (non-Javadoc)
+     * @see com.nokia.mj.impl.rt.DynamicProperty#getProperty(com.nokia.mj.impl.rt.DynamicPropertyInfo)
+     */
+    public String getProperty(String propertyName)
+    {
+        String propertyValue = null;
+
+        if (propertyName.equals(AUDIO_ENCODINGS))
+        {
+            propertyValue = getSupportedCaptureEncodings(AUDIO) +
+                            AUDIO_ENCODINGS_JSR;
+        }
+        else if (propertyName.equals(SUPPORTS_VIDEO_CAPTURE))
+        {
+            propertyValue = getSupportedCaptureEncodings(VIDEO);
+            // video capture is supported only if there is supported encodings
+            propertyValue = String.valueOf(propertyValue != null);
+        }
+        else if (propertyName.equals(VIDEO_ENCODINGS))
+        {
+            propertyValue = getSupportedCaptureEncodings(VIDEO);
+        }
+        return propertyValue;
+    }
+
+    public boolean isStatic(String key)
+    {
+        // All property values of MobileMedia API do not change during the
+        // lifetime of the application.
+        return true;
+    }
+
+    // capture protocol
+    private static final String CAPTURE = "capture";
+
+    // encoding for media strings
+    private static final String ENCODING = "encoding=";
+
+    /**
+     * Returns supported capture encodings.
+     * @param aPrefix Capture format type.
+     * @return the supported capture encodings.
+     */
+    private String getSupportedCaptureEncodings(String aPrefix)
+    {
+        // get supported content types from all capture:// protocols
+        String[] cTypes = Manager.getSupportedContentTypes(CAPTURE);
+
+        StringBuffer sBuffer = new StringBuffer();
+
+        // go through all types
+        for (int i = 0; i < cTypes.length; i++)
+        {
+            if (cTypes[ i ].startsWith(aPrefix))
+            {
+                // if video type appent to buffer encoding= + content type
+                sBuffer.append(ENCODING + cTypes[ i ] + " ");
+            }
+        }
+        String encodings = null;
+
+        // if no types was found null must be returned
+        if (sBuffer.length() > 0)
+        {
+            // substring is taken to remove last empty space added in previous
+            // for loop
+            encodings = sBuffer.toString().substring(0,
+                        sBuffer.length() - 1);
+        }
+        return encodings;
+    }
+}