fmradio/fmradioengine/inc/fmradioengineradiostatehandler.h
changeset 0 f3d95d9c00ab
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fmradio/fmradioengine/inc/fmradioengineradiostatehandler.h	Tue Feb 02 00:17:10 2010 +0200
@@ -0,0 +1,96 @@
+/*
+* 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:  The class implements functions handling radio engine state changes 
+*
+*/
+
+
+#ifndef FMRADIOENGINERADIOSTATEHANDLER_H
+#define FMRADIOENGINERADIOSTATEHANDLER_H
+
+//INCLUDES
+#include "fmradioenginestatechangecallback.h"
+
+// CONSTANTS
+const TUint8 KRadioStateEventCallback     = 0x01;
+
+// FORWARD DECLARATIONS
+class CRadioEngine;
+
+
+// CLASS DECLARATION
+/**
+* This class implements the state machines for radio engine state transition.
+*/
+class CRadioStateHandler : public CActive
+    {
+    public:
+        /**
+        * Method for creating new instances of this class.
+        * @param aEngine a pointer to CRadioEngine
+        * @return - A pointer to new CRadioEngineTimer object
+        **/
+        static CRadioStateHandler *NewL(CRadioEngine* aEngine);
+        /**
+        * Destructor
+        **/
+        virtual ~CRadioStateHandler();
+    public:
+        /**
+        * Trigger the active object to call the client callback function.
+        * @since Series 60 2.7
+        * @return none
+        */
+        void Callback(MRadioEngineStateChangeCallback::TFMRadioNotifyEvent aEventCode, TInt aErrorCode );
+    private:
+        /**
+        * c++ default constructor
+        **/
+        CRadioStateHandler(CRadioEngine* aEngine);
+        /**
+        * 2nd phase constructor
+        **/
+        void ConstructL();
+        /**
+        * Cancel the timeout timer. This generally means that a response was received from the chip, so the 
+        * timeout is no longer needed or the state machine was transitioned.
+        * @since Series 60 2.7
+        * @return none
+        **/
+        void DoCancel();
+        /**
+        * State Change Request/timeout handler
+        * @since Series 60 2.7
+        * @return none
+        */
+        void RunL();
+        /**
+        * handle any errors that occur in the RunL
+        * @since Series 60 2.7
+        * @return none
+        */
+    	TInt RunError( TInt aError );
+    private:
+        // pointer to the session who's timeout we are mananging.
+        CRadioEngine* iEngine;            
+        // Temporary storage for event code
+        TInt iCallbackEventCode;
+        // Temporary storage for error code        
+        TInt iCallbackErrorCode;
+   
+    };  // FMRADIOENGINERADIOSTATEHANDLER_H   
+            
+// End of File
+    
+#endif