bluetoothengine/btsac/btrcc/inc/btrccAbsoluteVolumeLevelController.h
changeset 0 f63038272f30
child 15 53b7818cd282
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothengine/btsac/btrcc/inc/btrccAbsoluteVolumeLevelController.h	Mon Jan 18 20:28:57 2010 +0200
@@ -0,0 +1,128 @@
+/*
+* Copyright (c) 2005-2006 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:   This class implements volume control of AVRCP Controller.	
+*
+*
+*/
+
+
+#ifndef BTRCCABSOLUTEVOLUMELEVELCONTROLLER_H
+#define BTRCCABSOLUTEVOLUMELEVELCONTROLLER_H
+
+//  INCLUDES
+#include <e32base.h>
+#include <bttypes.h> // BT protocol wide types
+#include "btrccVolumeLevelControllerBase.h"
+#include "absolutevolumeapicontrollerobserver.h"  
+#include "absolutevolumeapicontroller.h"
+#include "absolutevolumeapitargetobserver.h"
+//#include <remconinterfaceselector.h> 
+
+// FORWARD DECLARATIONS
+class CRemConInterfaceSelector; 
+class CRemConCoreApiController; 
+class CBTRCCActive; 
+
+// CLASS DECLARATION
+
+/**
+*  A listener for incoming handsfree attachments/detachments.
+*/
+NONSHARABLE_CLASS(CBTRCCAbsoluteVolumeLevelController) : 
+    public CBTRCCVolumeLevelControllerBase, 
+    public MRemConAbsoluteVolumeControllerObserver 
+	{
+	public:  // Constructors and destructor
+
+		/**
+		* Two-phased constructor.
+		*      
+		*/
+		static CBTRCCAbsoluteVolumeLevelController* NewL(CRemConInterfaceSelector& aInterfaceSelector, MBTRCCVolumeControllerObserver& aObserver); 
+
+		/**
+		* Destructor.
+		*/
+		virtual ~CBTRCCAbsoluteVolumeLevelController();
+
+
+	private:
+
+    		/**
+    		* C++ default constructor.
+    		*/
+            CBTRCCAbsoluteVolumeLevelController(MBTRCCVolumeControllerObserver& aObserver);
+
+    		/**
+    		* Symbian 2nd phase constructor.
+    		*/
+    		void ConstructL(CRemConInterfaceSelector& aInterfaceSelector);
+
+    public: // From MBTRCCActiveObserver
+
+        void RequestCompletedL(CBTRCCActive& aActive, TInt aErr);
+
+        void CancelRequest(TInt aServiceId);
+
+    public: // From CBTRCCVolumeLevelControllerBase
+
+        void DoStart(TInt aInitialVolume); // Set the initial volume. 
+
+        void DoStop(); // Stop monitoring for volume level changes. 
+
+        void DoReset(); // Reset the volume level.          
+
+    private: // From CBTRCCVolumeLevelControllerBase
+
+        void AdjustRemoteVolume(TInt aVolume); 
+        
+        TInt GetPhoneVolume(TInt &aVol);
+
+	public: // New methods
+
+
+    private:  // From MRemConAbsoluteVolumeControllerObserver
+
+        void MrcavcoCurrentVolume(TUint32 aVolume, TUint32 aMaxVolume, TInt aError); 
+
+        void MrcavcoSetAbsoluteVolumeResponse(TUint32 aVolume, TUint32 aMaxVolume, TInt aError); 
+
+        void MrcavcoAbsoluteVolumeNotificationError(); 
+    
+    private:
+        void AccessoryChangedVolume(TUint32 aVolume, TUint32 aMaxVolume, TInt aError);
+        TBool ValidVolumeParams(TUint32 aVolume, TUint32 aMaxVolume);
+        
+        void RegisterVolumeChangeNotification();
+    
+	private:    // Data
+
+	    CRemConAbsoluteVolumeController* iRemConAbsoluteVolumeController; // changes the accessory's volume level. 
+
+        // This active object listens to the absolute volume API. 
+        CBTRCCActive *iBtrccAbsoluteVolumeActive; 
+        
+        // Not owned
+        CRemConInterfaceSelector *iInterfaceSelector;
+
+		TInt iLocalMaxVolume; // maximum volume level of phone
+
+		TUint iNumRemotes; // not used, but needed for the remote controlling API.
+		
+		TInt iRetryCounter;
+    };
+
+#endif      // BTRCCABSOLUTEVOLUMELEVELCONTROLLER_H
+            
+// End of File