--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/messagingapp/msgsettings/msginit/inc/cmobilesignalstrengthhandler.h Wed Aug 18 09:45:25 2010 +0300
@@ -0,0 +1,176 @@
+/*
+* Copyright (c) 2010 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: Signal strength handler implementation over telephony API
+*
+*/
+
+
+
+#ifndef MOBILESIGNALSTRENGTHHANDLER_H
+#define MOBILESIGNALSTRENGTHHANDLER_H
+
+// INCLUDES
+#include <e32base.h>
+#include <etelmm.h>
+#include "msignalstrengthhandler.h"
+
+// FORWARD DECLARATIONS
+class MSignalStrengthObserver;
+
+// CLASS DECLARATION
+
+/**
+* Class implementing a signal strength handler over the telephony API
+*/
+
+class CMobileSignalStrengthHandler : public CActive, public MSignalStrengthHandler
+{
+ public:
+ /**
+ * Two-phased constructor.
+ */
+ static CMobileSignalStrengthHandler* NewL( );
+
+ /**
+ * Destructor.
+ */
+ ~CMobileSignalStrengthHandler();
+
+ private:
+ /**
+ * C++ default constructor.
+ */
+ CMobileSignalStrengthHandler();
+
+ /**
+ * By default Symbian 2nd phase constructor is private.
+ */
+ void ConstructL();
+
+ public: // from CActive
+ /**
+ * RunL
+ */
+ void RunL();
+
+ /**
+ * RunError
+ * @param aError the error returned
+ * @return error
+ */
+ TInt RunError( TInt aError );
+
+ /**
+ * DoCancel
+ */
+ void DoCancel();
+
+ public:
+ /**
+ * Returns ETrue if signal observing is supported, EFalse otherwise.
+ * @return ETrue if signal observing is supported, EFalse otherwise.
+ */
+ TBool ObservingSupported();
+
+ /**
+ * Returns ETrue if signal strength requests are supported, EFalse otherwise.
+ * @return ETrue if signal strength requests are supported, EFalse otherwise.
+ */
+ TBool RequestsSupported();
+
+ /**
+ * Sets the signal strength observer. May leave with KErrNotSupported
+ * if signal strength observing is not supported.
+ * @param aObserver Observer for signal strength. Ownership is not passed.
+ */
+ void SetSignalStrengthObserverL( MSignalStrengthObserver* aObserver );
+
+ /**
+ * Starts observing the signal strength. May leave with KErrNotSupported
+ * if signal strength observing is not supported.
+ */
+ void StartObservingL();
+
+ /**
+ * Stops the signal strength observing.
+ */
+ void StopObservingL();
+
+ /**
+ * Returns the current signal strength. May leave with KErrNotSupported
+ * if signal strength requests are not supported.
+ * @return The current signal strength.
+ */
+ TInt SignalStrengthL();
+
+ /**
+ * Returns the current bar value. May leave with KErrNotSupported
+ * if bar value requests are not supported.
+ * @return The current signal strength.
+ */
+ TInt BarValueL();
+
+ private: // New methods
+
+ /**
+ * Initializes server sessions.
+ */
+ void InitializeSessionsL();
+
+ /**
+ * Updates the current value of the signal strength.
+ */
+ void UpdateSignalStrengthL();
+
+ /**
+ * Notifiers observer about signal strength.
+ */
+ void NotifyObserver();
+
+ private:
+ /**
+ * Pointer to signal strength observer, may be NULL. Also not owned by the instance.
+ */
+ MSignalStrengthObserver* iObserver;
+
+ /**
+ * State variable for observation.
+ */
+ TBool iObserving;
+
+ /**
+ * Current value of the signal strength.
+ */
+ TInt32 iSignalStrength;
+
+ /**
+ * Network bars value.
+ */
+ TInt8 iBars;
+
+ /**
+ * Mobile phone.
+ */
+ RMobilePhone iMobilePhone;
+
+ /**
+ * Telephony server session.
+ */
+ RTelServer iTelServer;
+};
+
+
+#endif // MOBILESIGNALSTRENGTHHANDLER_H
+
+// End of File