genericpositioningplugins/locationnpppsy/src/npppsystatushandler.cpp
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     1 /*
       
     2 * Copyright (c) 2006 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:  This is NPP PSY Positioning Plug-in ( PSY ).
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include <e32std.h>            
       
    22 #include <lbs/epos_mpositionerstatus.h>
       
    23 #include <lbscommon.h>
       
    24 
       
    25 #include "npppsystatushandler.h"
       
    26 #include "npppsysingletonhandler.h"
       
    27 #include "npppsylogging.h"
       
    28 #include "npppsypanic.h"
       
    29 #include "npppsy.hrh"
       
    30 
       
    31 
       
    32 // ========================== == MEMBER FUNCTIONS ===============================
       
    33 
       
    34 // -----------------------------------------------------------------------------
       
    35 // CNppPsyStatusHandler::CNppPsyStatusHandler
       
    36 // C++default constructor can NOT contain any code, that
       
    37 // might leave.
       
    38 // -----------------------------------------------------------------------------
       
    39 //
       
    40 CNppPsyStatusHandler::CNppPsyStatusHandler( MPositionerStatus& aStatusInterface )
       
    41     : iStatusInterface( aStatusInterface )
       
    42     {
       
    43     //Set to initialising
       
    44     iModuleStatus.SetDeviceStatus( TPositionModuleStatus::EDeviceInitialising );
       
    45     iModuleStatus.SetDataQualityStatus( TPositionModuleStatus::EDataQualityNormal );
       
    46     iStatusInterface.ReportStatus( iModuleStatus );
       
    47     }
       
    48 
       
    49 
       
    50 // -----------------------------------------------------------------------------
       
    51 // CNppPsyStatusHandler::ConstructL
       
    52 // Symbian 2nd phase constructor can leave.
       
    53 // -----------------------------------------------------------------------------
       
    54 //
       
    55 void CNppPsyStatusHandler::ConstructL()
       
    56     {
       
    57     TRACESTRING( "CNppPsyStatusHandler::ConstructL start" )
       
    58     
       
    59     //Set to ready
       
    60     iModuleStatus.SetDeviceStatus( TPositionModuleStatus::EDeviceReady );
       
    61     iStatusInterface.ReportStatus( iModuleStatus );
       
    62     
       
    63     TRACESTRING( "CNppPsyStatusHandler::ConstructL end" )
       
    64     }
       
    65 
       
    66 
       
    67 // -----------------------------------------------------------------------------
       
    68 // CNppPsyStatusHandler::NewL
       
    69 // -----------------------------------------------------------------------------
       
    70 //
       
    71 CNppPsyStatusHandler* CNppPsyStatusHandler::NewL( 
       
    72         MPositionerStatus& aStatusInterface )
       
    73     {
       
    74     CNppPsyStatusHandler* self = new( ELeave ) CNppPsyStatusHandler( 
       
    75         aStatusInterface );
       
    76     
       
    77     CleanupStack::PushL( self );
       
    78     self->ConstructL();
       
    79     CleanupStack::Pop( self );
       
    80 
       
    81     return self;
       
    82     }
       
    83 
       
    84     
       
    85 // -----------------------------------------------------------------------------
       
    86 // CNppPsyStatusHandler::~CNppPsyStatusHandler
       
    87 // -----------------------------------------------------------------------------
       
    88 //
       
    89 CNppPsyStatusHandler::~CNppPsyStatusHandler()
       
    90     {
       
    91     //Set as inactive and data quality unknown
       
    92     iModuleStatus.SetDeviceStatus( TPositionModuleStatus::EDeviceInactive );
       
    93     iModuleStatus.SetDataQualityStatus( 
       
    94         TPositionModuleStatus::EDataQualityUnknown );
       
    95     iStatusInterface.ReportStatus( iModuleStatus );
       
    96 
       
    97     TRACESTRING( "CNppPsyStatusHandler:: destructed" )
       
    98     }
       
    99 
       
   100 // -----------------------------------------------------------------------------
       
   101 // CNppPsyStatusHandler::SetPsyListStatus
       
   102 // -----------------------------------------------------------------------------
       
   103 //
       
   104 void CNppPsyStatusHandler::SetPsyListStatus( TBool aHealthy )
       
   105     {
       
   106     if ( aHealthy && iModuleStatus.DeviceStatus() == 
       
   107         TPositionModuleStatus::EDeviceError )
       
   108         {
       
   109         if ( iRequests > 0 )
       
   110             {
       
   111             iModuleStatus.SetDeviceStatus( 
       
   112                 TPositionModuleStatus::EDeviceActive );
       
   113             }
       
   114         else
       
   115             {
       
   116             iModuleStatus.SetDeviceStatus( 
       
   117                 TPositionModuleStatus::EDeviceReady );
       
   118             }
       
   119         iStatusInterface.ReportStatus( iModuleStatus );
       
   120         }
       
   121         
       
   122     if ( !aHealthy && iModuleStatus.DeviceStatus() != 
       
   123         TPositionModuleStatus::EDeviceError )
       
   124         {
       
   125         iModuleStatus.SetDeviceStatus( TPositionModuleStatus::EDeviceError );
       
   126         iStatusInterface.ReportStatus( iModuleStatus );
       
   127         }
       
   128     }
       
   129 
       
   130 // -----------------------------------------------------------------------------
       
   131 // CNppPsyStatusHandler::IncRequestCount
       
   132 // -----------------------------------------------------------------------------
       
   133 //
       
   134 void CNppPsyStatusHandler::IncRequestCount()
       
   135     {
       
   136     ++iRequests;
       
   137     UpdateStatus();
       
   138     }
       
   139         
       
   140 // -----------------------------------------------------------------------------
       
   141 // CNppPsyStatusHandler::DecRequestCount
       
   142 // -----------------------------------------------------------------------------
       
   143 //
       
   144 void CNppPsyStatusHandler::DecRequestCount()
       
   145     {
       
   146     if ( iRequests > 0 )
       
   147         {
       
   148         --iRequests;
       
   149         }
       
   150     UpdateStatus();
       
   151     }
       
   152 
       
   153 // -----------------------------------------------------------------------------
       
   154 // CNppPsyStatusHandler::UpdateStatus
       
   155 // -----------------------------------------------------------------------------
       
   156 //
       
   157 void CNppPsyStatusHandler::UpdateStatus()
       
   158     {
       
   159     if ( iRequests > 0 && iModuleStatus.DeviceStatus() == 
       
   160         TPositionModuleStatus::EDeviceReady )
       
   161         {
       
   162         iModuleStatus.SetDeviceStatus( TPositionModuleStatus::EDeviceActive );
       
   163         iStatusInterface.ReportStatus( iModuleStatus );
       
   164         }
       
   165     
       
   166     if ( iRequests <= 0 && iModuleStatus.DeviceStatus() == 
       
   167         TPositionModuleStatus::EDeviceActive )
       
   168         {
       
   169         iModuleStatus.SetDeviceStatus( TPositionModuleStatus::EDeviceReady );
       
   170         iStatusInterface.ReportStatus( iModuleStatus );
       
   171         }
       
   172     }
       
   173 
       
   174 //  End of File