1 /*

     2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  General Active Object offering asynchronous service

    15 *

    16 */

    17 

    18 #include "atcodec.h"

    19 #include "btmcphonestatus.h"

    20 #include "btmcsignal.h"

    21 #include "debug.h"

    22 #include <mmtsy_names.h>

    23 #include <e32math.h>

    24 

    25 const TInt8 KMaxPhoneSignal = 7;

    26 const TInt8 KMaxHFPSignal = 5;

    27 

    28 // -----------------------------------------------------------------------------

    29 // CBtmcSignal::NewL

    30 // -----------------------------------------------------------------------------

    31 CBtmcSignal* CBtmcSignal::NewL(CBtmcPhoneStatus& aParent)

    32     {

    33     CBtmcSignal* self = CBtmcSignal::NewLC(aParent);

    34     CleanupStack::Pop(self);

    35     return self;

    36     }

    37 

    38 // -----------------------------------------------------------------------------

    39 // CBtmcSignal::NewLC

    40 // -----------------------------------------------------------------------------

    41 CBtmcSignal* CBtmcSignal::NewLC(CBtmcPhoneStatus& aParent)

    42     {

    43     CBtmcSignal* self = new (ELeave) CBtmcSignal(aParent);

    44     CleanupStack::PushL(self);

    45     self->ConstructL();

    46     return self;

    47     }

    48 

    49 // -----------------------------------------------------------------------------

    50 // CBtmcSignal::~CBtmcSignal

    51 // -----------------------------------------------------------------------------

    52 CBtmcSignal::~CBtmcSignal()

    53     {

    54     TRACE_FUNC_ENTRY

    55     Cancel();

    56     iPhone.Close();

    57     iServer.UnloadPhoneModule(KMmTsyModuleName);

    58     iServer.Close();

    59     TRACE_FUNC_EXIT

    60     }

    61 

    62 // -------------------------------------------------------------------------------

    63 // CBtmcSignal::GoActive

    64 // -------------------------------------------------------------------------------

    65 void CBtmcSignal::GoActive()

    66     {

    67     if (!IsActive())

    68         {

    69         iPhone.NotifySignalStrengthChange(iStatus, iDbm, iBars);

    70         SetActive();

    71         }

    72     TRACE_FUNC

    73     }

    74 

    75 

    76 // -------------------------------------------------------------------------------

    77 // CBtmcSignal::RunL

    78 // -------------------------------------------------------------------------------

    79 void CBtmcSignal::RunL()

    80     {

    81     TRACE_FUNC_ENTRY

    82     TInt err = iStatus.Int();

    83     TRACE_INFO((_L("err %d"), err))

    84     if (!err)

    85         {

    86         ConvertToHFPScale(iBars);

    87         }

    88     else

    89         {

    90         iBars = 0;

    91         }        

    92     if (iPreviousBars != iBars)

    93         {

    94         iParent.HandleNetworkStrengthChangeL(iBars);

    95         iPreviousBars = iBars;

    96         }

    97     if (err != KErrServerTerminated)

    98         {

    99         GoActive();

   100         }

   101     TRACE_FUNC_EXIT

   102     }

   103 

   104 // -------------------------------------------------------------------------------

   105 // CBtmcSignal::DoCancel

   106 // -------------------------------------------------------------------------------

   107 void CBtmcSignal::DoCancel()

   108     {

   109     iPhone.CancelAsyncRequest(EMobilePhoneNotifySignalStrengthChange);

   110     TRACE_FUNC

   111     }

   112 

   113 

   114 // -------------------------------------------------------------------------------

   115 // CBtmcSignal::RunError

   116 // -------------------------------------------------------------------------------

   117 TInt CBtmcSignal::RunError(TInt /*aErr*/)

   118     {

   119     iPhone.Close();

   120     iServer.UnloadPhoneModule(KMmTsyModuleName);

   121     iServer.Close();

   122     TRACE_FUNC

   123     return KErrNone;

   124     }

   125 

   126 // -----------------------------------------------------------------------------

   127 // CBtmcSignal::CBtmcSignal

   128 // -----------------------------------------------------------------------------

   129 CBtmcSignal::CBtmcSignal(CBtmcPhoneStatus& aParent)

   130     : CActive(EPriorityNormal), iParent(aParent), iPreviousBars(0)

   131     {

   132     CActiveScheduler::Add(this);

   133     }

   134 

   135 void CBtmcSignal::ConstructL()

   136     {

   137     TRACE_FUNC_ENTRY

   138     LEAVE_IF_ERROR(iServer.Connect());

   139     iServer.LoadPhoneModule(KMmTsyModuleName);

   140     LEAVE_IF_ERROR(iPhone.Open(iServer, KMmTsyPhoneName));

   141     iPhone.GetSignalStrength(iStatus, iDbm, iBars);

   142     SetActive();

   143     TRACE_FUNC_EXIT

   144     }

   145 

   146 void CBtmcSignal::ConvertToHFPScale(TInt8 &aSignal)

   147     {

   148     TReal result;

   149     Math::Round( result, TReal(TReal(KMaxHFPSignal)/TReal(KMaxPhoneSignal) *TReal(aSignal)),0);

   150     aSignal = TInt8(result);

   151     }

   152 

   153 TInt CBtmcSignal::GetSignalStrength()

   154     {

   155     return iBars;

   156     }

   157 

   158 TInt CBtmcSignal::GetRssiStrength()

   159 	{

   160 	return iDbm;

   161 	}

   162 // End of File