--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/convergedcallengine/csplugin/inc/cspaudiostreams.h	Wed Sep 01 12:15:03 2010 +0100
@@ -0,0 +1,244 @@
+/*
+* Copyright (c) 2006 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:  Starts and stops audio streams.
+*
+*/
+
+
+#ifndef CSPAUDIOSTREAMS_H
+#define CSPAUDIOSTREAMS_H
+
+
+#include <e32base.h>
+#include <TelephonyAudioRouting.h>
+#include "MTelephonyAudioRoutingObserver.h" 
+#include "mcspdevsoundobserver.h"
+#include "mcsptimerobserver.h"
+
+class MCSPDevSoundFactory;
+class CSPTimer;
+class CSPMicrophone;
+class CSPSpeaker;
+class MCSPAudioStreamObserver;
+class CSPTimer;
+
+
+/**
+ *  Starts and stops audio streams.
+ *  If the activation fails then there is a retry timer which
+ *  will try the activation later.
+ */
+NONSHARABLE_CLASS( CSPAudioStreams ) : 
+    public CBase, 
+    public MCSPDevSoundObserver,
+    public MCSPTimerObserver,
+    public MTelephonyAudioRoutingObserver
+    {
+
+public:
+
+    /**
+    * Two-phased constructing.
+    */
+    static CSPAudioStreams* NewL( );
+
+    /**
+    * Two-phased constructing.
+    */    
+    static CSPAudioStreams* NewLC( );
+
+    /**
+    * C++ default destructor.
+    */
+    virtual ~CSPAudioStreams();
+
+    /**
+    * Starts audio streams ie inits mic and speaker.
+    */
+    void StartStreams();
+    
+    /**     
+    * Stops audio streams ie shuts down mic and speaker.
+    */
+    void StopStreams();
+    
+    /**
+    * Sets volume for ear. 
+    */
+    void VolumeChangedEar( TInt aVolume );
+    
+    /**
+    * Sets volume for loudspeaker. 
+    */
+    void VolumeChangedLoudspeaker( TInt aVolume );
+    
+    /**
+    * Stores volume levels.
+    */
+    void StoreVolumes(TInt aVolumeEar, TInt aVolumeLoudspeaker);
+
+    /**
+    * Set unmuted.
+    */    
+    void SetUnmuted();
+
+    /**
+    * Set muted.
+    */
+    void SetMuted();
+
+    /**
+    * Gives access to CSPMicrophone instance. Ownership not given.
+    * @return MCSPMic instance.
+    */
+    CSPMicrophone& Mic() const;
+    
+    /**
+    * Gives access to CSPSpeaker instance. Ownership not given.
+    * @return MCSPSpeaker instance.
+    */
+    CSPSpeaker& Speaker() const;
+    
+    /**
+    * Set observer for audio stream events.
+    * @param aObserver
+    */
+    void SetAudioStreamObserver( MCSPAudioStreamObserver& aObserver );
+    
+// from base class MCSPDevSoundObserver
+
+    /**
+    * From MCSPDevSoundObserver
+    * Notification that Mic has been activated successfully
+    */
+    void MicActivatedSuccessfully();
+    
+    /**
+    * From MCSPDevSoundObserver
+    * Notification that speaker has been activated successfully
+    */   
+    void SpeakerActivatedSuccessfully();
+    
+    /**
+    * From MCSPDevSoundObserver
+    * Notification that Mic initialisation failed.
+    */
+    void MicActivationFailed();
+    
+    /**
+    * From MCSPDevSoundObserver
+    * Notification that Speaker activation failed.
+    */
+    void SpeakerActivationFailed();
+    
+// from base class MCSPTimerObserver
+
+    /**
+    * From MCSPTimerObserver.
+    * Notify from CSPTimer that timeout passed.
+    */
+    void TimerEvent();
+    
+protected:  // Functions from base classes  
+
+// from base class MTelephonyAudioRoutingObserver
+        
+    /**
+    * @see MTelephonyAudioRoutingObserver.
+    */
+    void AvailableOutputsChanged( CTelephonyAudioRouting& aTelephonyAudioRouting );
+            
+    /**
+    * @see MTelephonyAudioRoutingObserver.
+    */
+    void OutputChanged( CTelephonyAudioRouting& aTelephonyAudioRouting);
+    
+    /**
+    * @see MTelephonyAudioRoutingObserver.
+    */
+    void SetOutputComplete( CTelephonyAudioRouting& aTelephonyAudioRouting, TInt aError);
+  
+private:
+    
+    /** 
+    * C++ default constructor. 
+    */  
+    CSPAudioStreams( );
+
+    void ConstructL( );
+    
+    static TInt TimerCallBack( TAny* aThisPtr );
+    
+    void AudioStreamsStarted();
+    
+    void StartTimer();
+    
+    void StartMicAndSpeaker();
+    
+    TBool IsMicAndSpeakerStarted();
+    
+    void ApplyVolume(TInt aVolumeEar, TInt aVolumeLoudspeaker);
+
+private: // data
+
+    /**
+    * Mic.
+    * own.
+    */     
+    CSPMicrophone* iMic;
+    
+    /**
+    * Speaker.
+    * Own.
+    */
+    CSPSpeaker* iSpeaker;
+     
+    /**
+    * Timer for retrying the activation of streams (mic & speaker) if
+    * there was a failure in activation.
+    * Own.
+    */
+    CSPTimer* iTimer;
+    
+    /**
+    * Timeout value used with timer. Timeout value doubles every retry to
+    * activate the streams.
+    */
+    TInt iTimeout;
+    
+    /**
+    * Audio output for checking if loadspeaker or ear volume should be used.
+    * Own.
+    */
+    CTelephonyAudioRouting* iAudioRouting;
+    
+    /**
+    *  Observer for stream events.
+    * Not own.
+    */
+    MCSPAudioStreamObserver* iStreamObserver;
+    
+    /**
+    *  Ear volume. 
+    */    
+    TInt iVolumeEar;
+    
+    /**
+    *  Loudspeaker volume. 
+    */
+    TInt iVolumeLoudspeaker;
+         
+    };
+
+#endif // CSPAUDIOSTREAMS_H