javauis/amms_qt/javasrc/com/nokia/amms/control/audio3d/DistanceAttenuationControl.java
changeset 23 98ccebc37403
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/amms_qt/javasrc/com/nokia/amms/control/audio3d/DistanceAttenuationControl.java	Fri May 14 15:47:24 2010 +0300
@@ -0,0 +1,133 @@
+/*
+* Copyright (c) 2005 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.amms.control.audio3d;
+
+import com.nokia.microedition.media.NativeError;
+
+public class DistanceAttenuationControl
+        extends com.nokia.amms.control.ControlImpl
+        implements javax.microedition.amms.control.audio3d.DistanceAttenuationControl
+{
+    private static final int MIN_MINIMUM_DISTANCE = 1;
+    private static final int MIN_MAXIMUM_DISTANCE = 1;
+    private static final int MIN_ROLLOF_FACTOR = 0;
+    /**
+     * Constructor
+     */
+    public DistanceAttenuationControl()
+    {
+    }
+
+    /**
+     * Please refer to JSR 234 for more details.
+     */
+    public void setParameters(int aMinDistance,
+                              int aMaxDistance,
+                              boolean aMuteAfterMax,
+                              int aRolloffFactor)
+    {
+        checkValid();
+
+        if (aMaxDistance <= aMinDistance)
+        {
+            throw new IllegalArgumentException("maxDistance must be equal or greater than minDistance");
+        }
+        if (aMinDistance < MIN_MINIMUM_DISTANCE)
+        {
+            throw new IllegalArgumentException("minDistance must be greater than zero");
+        }
+        if (aMaxDistance < MIN_MAXIMUM_DISTANCE)
+        {
+            throw new IllegalArgumentException("maxDistance must be greater than zero");
+        }
+        if (aRolloffFactor < MIN_ROLLOF_FACTOR)
+        {
+            throw new IllegalArgumentException("rolloffFactor cannot be less than zero");
+        }
+
+        int err = _setParameters(iEventSource, iControlHandle,
+                                 aMinDistance, aMaxDistance, aMuteAfterMax, aRolloffFactor);
+
+        NativeError.check(err);
+    }
+
+    /**
+     * Please refer to JSR 234 for more details.
+     */
+    public int getMinDistance()
+    {
+        checkValid();
+
+        // have to ask the native control because of commiting
+        return _getMinDistance(iEventSource, iControlHandle);
+    }
+
+    /**
+     * Please refer to JSR 234 for more details.
+     */
+    public int getMaxDistance()
+    {
+        checkValid();
+
+        // have to ask the native control because of commiting
+        return _getMaxDistance(iEventSource, iControlHandle);
+    }
+
+    /**
+     * Please refer to JSR 234 for more details.
+     */
+    public boolean getMuteAfterMax()
+    {
+        checkValid();
+
+        // have to ask the native control because of commiting
+        return _getMuteAfterMax(iEventSource, iControlHandle);
+    }
+
+    /**
+     * Please refer to JSR 234 for more details.
+     */
+    public int getRolloffFactor()
+    {
+        checkValid();
+
+        // have to ask the native control because of commiting
+        return _getRolloffFactor(iEventSource, iControlHandle);
+    }
+
+    // native functions
+    private static native int _setParameters(
+        int aEventSource,
+        int aControlHandle,
+        int aMinDistance,
+        int aMaxDistance,
+        boolean aMuteAfterMax,
+        int aRolloffFactor);
+    private static native int _getMaxDistance(
+        int aEventSource,
+        int aControlHandle);
+    private static native int _getMinDistance(
+        int aEventSource,
+        int aControlHandle);
+    private static native boolean _getMuteAfterMax(
+        int aEventSource,
+        int aControlHandle);
+    private static native int _getRolloffFactor(
+        int aEventSource,
+        int aControlHandle);
+}