diff -r 73a1feb507fb -r bc78a40cd63c mmsharing/mmshengine/inc/musengsession.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmsharing/mmshengine/inc/musengsession.h	Wed Sep 01 12:31:01 2010 +0100
@@ -0,0 +1,231 @@
+/*
+* 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: 
+*
+*/
+
+
+#ifndef MUSENGSESSION_H
+#define MUSENGSESSION_H
+
+// USER INCLUDES
+#include "musunittesting.h"
+#include "musengvolumechangeobserver.h"
+
+//SYSTEM INCLUDES
+#include <e32base.h>
+
+
+// FORWARD DECLARATIONS
+class CMusEngTelephoneUtils;
+class CMusSipProfileHandler;
+class CRepository;
+class MMusEngAudioRoutingObserver;
+class MMusEngVolumeChangeObserver;
+
+// CLASS DECLARATION
+
+/**
+* Base class for Multimedia Sharing Engine sessions, inherited by
+* CMusEngMceSession.
+*
+* CMusEngSession encapsulates all common activities example using
+* resources.
+*
+* @lib musengine.lib
+*/
+class CMusEngSession : public CBase,
+                       public MMusEngVolumeChangeObserver
+    {
+    MUS_UNITTEST( UT_CMusEngSession )
+    
+    public:
+
+        /**
+        * Desctructor, finalize session
+        *
+        */
+        ~CMusEngSession();
+
+
+    public:  // API FUNCTIONS
+
+        /**
+        * Returns currently assigned drawing area
+        *
+        * @return TRect This session drawing area recttangle
+        */
+        IMPORT_C TRect Rect() const;
+
+        /**
+        * Sets new drawing area
+        *
+        * @param TRect This session new drawing area rectangle
+        */
+        IMPORT_C void SetRectL( const TRect& aRect );
+
+        /**
+        * Checks if audio routing can be changed using EnableLoudspeakerL
+        * 
+        * @return ETrue if audio routing can be changed using EnableLoudspeakerL
+        */
+        IMPORT_C TBool AudioRoutingCanBeChanged() const;
+        
+        /**
+		* Checks if audio routing is headset
+		* 
+		* @return ETrue if audio routing is headset
+		*/
+        IMPORT_C TBool IsAudioRoutingHeadset() const;
+		
+        /**
+		* Checks if audio routing is LoudSpeaker
+		* 
+		* @return ETrue if audio routing is LoudSpeaker and 
+		* currentMode != iAudioOutputAtStartup
+		*/
+        IMPORT_C TBool IsAudioRoutingLoudSpeaker() const;
+        /**
+        * Activates/deactivates loadspeaker
+        *
+        * @param TBool Enable or disable loudspeaker
+        * @param TBool Show activation dialog
+        */
+        IMPORT_C void EnableLoudspeakerL( TBool aEnable, TBool aShowDialog );
+
+        /**
+        * Checks is loudspeaker enabled or disabled.
+        *
+        * @return TBool true if enabled
+        */
+        IMPORT_C TBool IsLoudSpeakerEnabled() const;
+
+        /**
+        * Returns current volume level
+        */
+        IMPORT_C TInt VolumeL() const;
+
+        /**
+        * Mutes CS call microphone.
+        */
+        IMPORT_C void MuteMicL( TBool aMute );
+
+        /**
+        * Returns current CS call mic mute state.
+        */
+        IMPORT_C TBool IsMicMutedL();
+        
+        /**
+        * Sets audio routing observer. Can be set to NULL in order to indicate
+        * ending of observing changes in audio routing.
+        */
+        IMPORT_C void SetAudioRoutingObserver( 
+                                    MMusEngAudioRoutingObserver* aObserver );
+        
+        /**
+        * Sets volume level change observer. Can be set to NULL in order to indicate
+        * ending of observing changes in volume level.
+        */
+        IMPORT_C void SetVolumeChangeObserver( 
+                                    MMusEngVolumeChangeObserver* aObserver );
+
+    public:  // VIRTUAL API FUNCTIONS
+        
+        /**
+        * Increases volume level by one.
+        */
+        IMPORT_C virtual void VolumeUpL();
+
+        /**
+        * Decreases volume level by one.
+        */
+        IMPORT_C virtual void VolumeDownL();
+        
+        /**
+        * Set volume value
+        * @param aVal the value of volume 
+        */
+        IMPORT_C virtual void SetVolumeL( TInt aVal );
+        
+        /**
+        * Enables or disables display. Call to this function is considered
+        * as a permission or denial to draw to the display.
+        */
+        virtual void EnableDisplayL( TBool aEnable ) = 0;
+
+        /**
+        * Mutes current audio stream meaning that any audio is not played or
+        * sent to network.
+        */
+        virtual void MuteL() = 0;
+
+        /**
+        * Unmute current audio stream meaning that all the audio is played
+        * and if needed also sent to network.
+        */
+        virtual void UnmuteL() = 0;
+        
+        /**
+         *
+         */
+        virtual void RefreshOrientationL() = 0;
+
+
+	protected: // INTERNAL 
+
+        virtual void RectChangedL() = 0;
+
+
+        //from MMusEngVolumeChangeObserver
+        virtual void VolumeChanged( TInt aVolume, TBool aAudioRouteChanged );
+        
+    protected:
+
+        /**
+        * Constructor, private cannot be instantiate
+        *
+        * @param aRect reserved drawing area for this session
+        */
+        CMusEngSession( const TRect& aRect );
+
+
+    protected:
+
+        /**
+        * second-phase constructor, called by those session specific 
+        * constructors
+        */
+        void ConstructL();
+
+
+    private: // MEMBERS
+
+        /**
+        * Drawing area rect.
+        */
+        TRect iRect;
+
+        /**
+        * Telephone utilities.
+        */
+        CMusEngTelephoneUtils* iTelephoneUtils;
+        
+        /**
+        * Volume change observer
+        */
+        MMusEngVolumeChangeObserver* iVolumeObserver;
+
+    };
+
+#endif //MUSENGSESSION_H