1 // Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #ifndef __SIGNALSTRENGTHWATCHER_H__

    17 #define __SIGNALSTRENGTHWATCHER_H__

    18 

    19 // System includes

    20 #include <e32base.h>

    21 #include <etelext.h>

    22 #include <etelmm.h>

    23 #include <etel.h>

    24 

    25 // Base include

    26 #include "watcherbase.h"

    27 

    28 // Classes referenced

    29 class RFs;

    30 

    31 

    32 //

    33 // ------> CSignalStrengthWatcher (header)

    34 //

    35 class CSignalStrengthWatcher : public CPhoneWatcher

    36 /**

    37 @internalComponent

    38 */

    39 	{

    40 //

    41 public: // STATIC CONSTRUCT / DESTRUCT

    42 //

    43 	static CSignalStrengthWatcher* NewL(TAny* aWatcherParams);

    44 	~CSignalStrengthWatcher();

    45 

    46 //

    47 private: // CONSTRUCT

    48 //

    49 	CSignalStrengthWatcher();

    50 	void ConstructL();

    51 

    52 //

    53 private: // FROM CPhoneWatcher

    54 //

    55 	void HandlePhoneStateEventL(TInt aCompletionCode);

    56 	void HandleCancel();

    57 	void ReleasePhoneResources();

    58 

    59 //

    60 private: // INTERNAL

    61 //

    62 	enum TSignalStrengthState

    63 		{

    64 		ESignalStrengthNotYetInitialised = 0,

    65 		ESignalStrengthStateRequestInitialSignalStrength,

    66 		ESignalStrengthWaitingForInitialSignalStrength,

    67 		ESignalStrengthStateIssuingSignalChangeNotificationRequest

    68 		};

    69 	inline TSignalStrengthState& SignalStrengthState() { return iState; }

    70 	void HandleSignalStrengthUpdateL(TInt aCompletionCode);

    71 	void SignalPanic(TWatcherPanic aPanicNumber);

    72 

    73 //

    74 private: // MEMBER DATA

    75 //

    76 	TInt32 iSignalStrength;

    77 	TInt8 iSignalBars;

    78 	TSignalStrengthState iState;

    79 	RProperty iNetworkStrengthProperty;	

    80 	};

    81 

    82 

    83 #endif