--- a/epoc32/include/maudioeffectobserver.h Tue Nov 24 13:55:44 2009 +0000
+++ b/epoc32/include/maudioeffectobserver.h Tue Mar 16 16:12:26 2010 +0000
@@ -1,1 +1,56 @@
-maudioeffectobserver.h
+/*
+* Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
+* which accompanies this distribution, and is available
+* at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: Definition of the Audio Effect Observer class.
+*
+*/
+
+
+
+#ifndef AUDIOEFFECTOBSERVER_H
+#define AUDIOEFFECTOBSERVER_H
+
+// CLASS DECLARATION
+
+
+/**
+* Interface class to be implemented by objects that are interested in receiving events from
+* audio effect.
+*
+* @since 3.0
+*/
+class MAudioEffectObserver
+ {
+ public:
+
+ static const TUint KEnabled = 1; // The effect is enabled.
+ static const TUint KDisabled = 2; // The effect is disabled
+ static const TUint KEnforced = 3; // The effect is enforced
+ static const TUint KNotEnforced = 4; // The effect is not enforced
+ static const TUint KLostUpdateRights = 5; // The effect has lost update rights
+ static const TUint KGainedUpdateRights = 6; // The effect has gained update rights
+ static const TUint KSpecificEffectBase = 20; // Offset to specific effect events
+
+ /**
+ * Invoked by the audio effect object when the status of the audio effect has changed.
+ * @since 3.0
+ * @param aObservedEffect The effect that changed
+ * @param aEvent The specific event Id of the effect that changed.
+ */
+ virtual void EffectChanged( const CAudioEffect* aObservedEffect, TUint8 aEvent ) = 0;
+
+ };
+
+#endif // AUDIOEFFECTOBSERVER_H
+
+// End of File