1 /*

     2 * Copyright (c) 2007-2009 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:  Harvester session watcher

    15 *

    16 */

    17 

    18 #include "harvestersessionwatcher.h"

    19 

    20 // ---------------------------------------------------------------------------

    21 // NewL

    22 // ---------------------------------------------------------------------------

    23 //

    24 CHarvesterSessionWatcher* CHarvesterSessionWatcher::NewL( MHarvesterSessionObserver& aObserver )

    25 	{

    26     CHarvesterSessionWatcher* self = new ( ELeave ) CHarvesterSessionWatcher( aObserver );

    27     CleanupStack::PushL( self );

    28     self->ConstructL();

    29     CleanupStack::Pop( self );

    30 

    31     return self;

    32 	}

    33 

    34 // ---------------------------------------------------------------------------

    35 // ~CHarvesterSessionWatcher

    36 // ---------------------------------------------------------------------------

    37 //

    38 CHarvesterSessionWatcher::~CHarvesterSessionWatcher() // destruct

    39 	{   

    40     Cancel();

    41  	}

    42 

    43 // ---------------------------------------------------------------------------

    44 // CHarvesterSessionWatcher

    45 // First-phase C++ constructor

    46 // ---------------------------------------------------------------------------

    47 //

    48 CHarvesterSessionWatcher::CHarvesterSessionWatcher( MHarvesterSessionObserver& aObserver )

    49     : CActive( CActive::EPriorityStandard ), iState( EIdle ), iObserver( &aObserver )

    50   	{

    51     // Add to active scheduler.

    52     CActiveScheduler::Add( this );

    53 	}

    54 

    55 // ---------------------------------------------------------------------------

    56 // ConstructL

    57 // ---------------------------------------------------------------------------

    58 //

    59 void CHarvesterSessionWatcher::ConstructL() // second-phase constructor

    60 	{

    61     _LIT( KHarvesterServerProcess, "HarvesterServer*" );

    62     TFullName name;

    63         

    64     // find Harvester Server

    65     TFindProcess findProcess( KHarvesterServerProcess );

    66     if ( findProcess.Next(name) == KErrNone )

    67         {                      

    68         User::LeaveIfError( iProcess.Open(name) );

    69         iState = ERunning;

    70         // logon to get termination signal

    71         iProcess.Logon( iStatus );        

    72         SetActive();

    73         }

    74     else

    75         {

    76         User::Leave( KErrCommsBreak );

    77         }

    78 	}

    79 

    80 // ---------------------------------------------------------------------------

    81 // DoCancel

    82 // ---------------------------------------------------------------------------

    83 //

    84 void CHarvesterSessionWatcher::DoCancel()

    85 	{

    86     iState = ESCancelled;

    87     iProcess.LogonCancel( iStatus );

    88     iProcess.Close();

    89 	}

    90 

    91 // ---------------------------------------------------------------------------

    92 // RunL

    93 // ---------------------------------------------------------------------------

    94 //

    95 void CHarvesterSessionWatcher::RunL()

    96 	{ 

    97     switch (iState)

    98         {

    99           case EIdle:

   100           case ESCancelled:

   101               {

   102               break;

   103               }       

   104               

   105           case ERunning:

   106               {

   107               // server terminated, notify clients

   108               iObserver->HarvesterServerTerminated();

   109               break;

   110               }

   111             

   112           default:

   113               break; 

   114         }

   115 	}

   116 	

   117 // ---------------------------------------------------------------------------

   118 // RunError

   119 // ---------------------------------------------------------------------------

   120 //	

   121 TInt CHarvesterSessionWatcher::RunError( TInt /*aError*/ )

   122     {   

   123     return KErrNone;

   124     }

   125