bluetoothengine/btmac/inc/btmonocmdhandler/btmcvolume.h
changeset 0 f63038272f30
child 10 0707dd69d236
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothengine/btmac/inc/btmonocmdhandler/btmcvolume.h	Mon Jan 18 20:28:57 2010 +0200
@@ -0,0 +1,120 @@
+/*
+* 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:  volume handling
+*
+*/
+
+
+#ifndef BTMCVOLUME_H
+#define BTMCVOLUME_H
+
+// INCLUDES
+#include <e32base.h>
+#include <e32property.h> 
+#include "btmcactive.h"
+
+class CBtmcPhoneStatus;
+
+/**
+*  CBtmcVolume listens network status events (from RMobilePhone).
+*/
+NONSHARABLE_CLASS(CBtmcVolume) : public CBase, public MBtmcActiveObserver
+    {
+    public:
+        /**
+        * Two-phased constructor.
+        */
+        static CBtmcVolume* NewL(CBtmcPhoneStatus& aParent);
+        
+        /**
+        * Destructor.
+        */
+        ~CBtmcVolume();
+
+        void SetSpeakerVolumeL(TInt aHfVol);
+        
+        void SetMicrophoneVolumeL(TInt aHfVol);
+        
+        TInt GetVolume();
+        
+        void ActivateRemoteVolumeControl();
+
+        void DeActivateRemoteVolumeControl();        
+        
+    private:  // From MBtmcActiveObserver
+    
+        void RequestCompletedL(CBtmcActive& aActive, TInt aErr);
+        
+        void CancelRequest(TInt aServiceId);
+        
+    private:
+    
+        /**
+        * C++ default constructor.
+        */
+        CBtmcVolume(CBtmcPhoneStatus& aParent);
+        
+        /**
+        * C++ default constructor.
+        */
+        void ConstructL();
+        
+        void DoSetSpeakerVolL( TInt aPrevPhVol );
+        
+        /**
+        * Converts volume level (0..15 to 0..10).
+        * @param aVolume Volume level
+        * @return TInt
+        */
+        TInt HfToPhoneVolScale(TInt aHfVol);
+
+        /**
+        * Converts volume level (0..10 to 0..15).
+        * @param aVolume Volume level
+        * @return TInt
+        */
+        TInt PhoneToHfVolScale(TInt aPhoneVol);
+
+        TInt GetNewPhoneVol();
+
+    private:
+        enum TVolSyncAction
+            {
+            ESpeakerVolSubscribe,
+            ESpeakerVolSet,
+            };
+
+    private:
+        CBtmcPhoneStatus& iParent;
+    
+        CBtmcActive* iActive; // owned
+        
+        RProperty iVolLevelProperty; // owned
+        RProperty iVolKeyEventProperty; // owned
+        
+        // current volume level of speaker
+        TInt iPhnSpkrVol; // phone speaker volume
+        TInt iAccSpkrVol; // Acc speaker volume in phone side scale
+		TInt iMaxSpkrVol; // Maximum volume level of the phone
+		TInt iStep;
+        TVolSyncAction iAction;
+    	
+    	TBool iVolCtrlActivated;
+    };
+
+
+#endif  // BTMCVOLUME_H
+
+// End of File
+