--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sipvoipprovider/svphold/inc/svpholdmediahandler.h	Mon Jan 18 20:12:36 2010 +0200
@@ -0,0 +1,161 @@
+/*
+* Copyright (c) 2006-2007 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:  Pauses and resumes audio stream.
+*
+*/
+
+
+#ifndef SVPHOLDMEDIAHANDLER_H
+#define SVPHOLDMEDIAHANDLER_H
+
+#include <e32base.h>
+
+class CSVPHoldContext;
+class CMceMediaStream;
+
+
+/**
+*  Media handler class for SVP hold extension.
+*  @lib svp.dll
+*  @since S60 3.2
+*/
+class CSVPHoldMediaHandler : public CBase
+    {
+public:  // Constructors and destructor
+    
+    /**
+    * Two-phased constructor.
+    */
+    static CSVPHoldMediaHandler* NewL();
+    
+    /**
+    * Destructor.
+    */
+    virtual ~CSVPHoldMediaHandler();
+
+public:  // New functions
+    
+    /**
+    * Disables/enables media stream based on the request.
+    * @since S60 3.2
+    * @param aMediaStream MCE Media stream
+    * @param aRequest Request type
+    */
+    void PerformMediaActionL( CMceMediaStream& aMediaStream,
+                              TSVPHoldRequestType aRequest );
+    
+    /**
+    * Disables needed sinks/sources.
+    * @since S60 3.2
+    * @param aContext SVP Hold context
+    * @param aLeaveSpeakerEnabled ETrue, when only mic source is disabled
+    */
+    void DisableAudioL( CSVPHoldContext& aContext,
+                        TBool aLeaveSpeakerEnabled = EFalse );
+    
+    /**
+    * Disables needed sinks/sources.
+    * @since S60 3.2
+    * @param aContext SVP Hold context
+    */
+    void EnableAudioL( CSVPHoldContext& aContext );
+
+
+private:
+
+    /**
+    * C++ default constructor.
+    */
+    CSVPHoldMediaHandler();
+
+    /**
+    * By default Symbian 2nd phase constructor is private.
+    */
+    void ConstructL() const;
+
+
+private: // New functions
+
+    /**
+    * Handles streams in local hold request cases.
+    * @since S60 3.2
+    * @param aMediaStream MCE Media stream
+    * @param aBoundStream MCE Media stream
+    */
+    void HandleLocalHoldingL( CMceMediaStream& aMediaStream,
+                              CMceMediaStream& aBoundStream );
+
+    /**
+    * Handles streams in local resume request cases.
+    * @since S60 3.2
+    * @param aMediaStream MCE Media stream
+    * @param aBoundStream MCE Media stream
+    * @param aRequest Request type
+    */
+    void HandleLocalResumingL( CMceMediaStream& aMediaStream,
+                               CMceMediaStream& aBoundStream,
+                               TSVPHoldRequestType aRequest );
+
+    /**
+    * Handles streams in remote hold request cases.
+    * @since S60 3.2
+    * @param aMediaStream MCE Media stream
+    * @param aBoundStream MCE Media stream
+    */
+    void HandleRemoteHoldingL( CMceMediaStream& aMediaStream,
+                               CMceMediaStream& aBoundStream,
+                               TSVPHoldRequestType aRequest );
+
+    /**
+    * Handles streams in local resume request cases.
+    * @since S60 3.2
+    * @param aMediaStream MCE Media stream
+    * @param aBoundStream MCE Media stream
+    * @param aRequest Request type
+    */
+    void HandleRemoteResumingL( CMceMediaStream& aMediaStream,
+                                CMceMediaStream& aBoundStream,
+                                TSVPHoldRequestType aRequest );
+    
+    /**
+    * Enables audio
+    * @since S60 3.2
+    * @param aMediaStream MCE Media stream
+    * @param aContext SVP Hold context
+    */
+    void EnableAudioL( CMceMediaStream& aMediaStream,
+                       CSVPHoldContext& aContext );
+
+                                             
+    /**
+    * Disables used audio stream (mic & speaker)
+    * @since S60 3.2
+    * @param aAudioStream MCE Media stream
+    */
+    void DisableAudioStreamL( CMceMediaStream& aAudioStream,
+                              TBool aLeaveSpeakerEnabled );
+
+    /**
+    * Disables used audio stream (mic & speaker)
+    * @since S60 3.2
+    * @param aAudioStream MCE Media stream
+    * @param aAllowMicEnable Boolean value
+    */
+    void EnableAudioStreamL( CMceMediaStream& aAudioStream,
+                             TBool aAllowMicEnable = ETrue );
+
+    };
+
+#endif      // SVPHOLDMEDIAHANDLER_H  
+