1 /*

     2 * Copyright (c) 2004 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 module contains the implementation of CCbsDiskSpaceMonitor class 

    15 *                member functions.    

    16 *

    17 */

    18 

    19 

    20 // INCLUDE FILES

    21 #include <e32property.h>

    22 #include "CCbsDiskSpaceMonitor.h"

    23 #include <UikonInternalPSKeys.h>    // KPSUidUikon, KUikFFSFreeLevel

    24 #include "CCbsDbImp.H"

    25 #include "CbsLogger.h"

    26 

    27 // CONSTANTS

    28 

    29 // Value to receive from critical level notification for "OK"

    30 const TInt KCriticalLevelDiskOk = 0;

    31 

    32 

    33 // ================= MEMBER FUNCTIONS =======================

    34 

    35 // -----------------------------------------------------------------------------

    36 // CCbsDiskSpaceMonitor::CCbsDiskSpaceMonitor

    37 // C++ default constructor can NOT contain any code, that

    38 // might leave.

    39 // -----------------------------------------------------------------------------

    40 //

    41 CCbsDiskSpaceMonitor::CCbsDiskSpaceMonitor( CCbsDbImp& aDbImp )

    42     : CActive( EPriorityStandard ),

    43     iDbImp( aDbImp )

    44     {

    45     }

    46 

    47 // -----------------------------------------------------------------------------

    48 // CCbsDiskSpaceMonitor::ConstructL

    49 // Symbian 2nd phase constructor can leave.

    50 // -----------------------------------------------------------------------------

    51 //

    52 void CCbsDiskSpaceMonitor::ConstructL()

    53     {

    54     CBSLOGSTRING("CBSSERVER: >>> CCbsDiskSpaceMonitor::ConstructL()");

    55     

    56     CActiveScheduler::Add( this );

    57     

    58     // Attach to disk space property

    59     iProperty.Attach( KPSUidUikon, KUikFFSFreeLevel );

    60     

    61     CBSLOGSTRING("CBSSERVER: <<< CCbsDiskSpaceMonitor::ConstructL()");

    62     }

    63 

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

    65 // CCbsDiskSpaceMonitor::NewL

    66 // Two-phased constructor.

    67 // -----------------------------------------------------------------------------

    68 //

    69 CCbsDiskSpaceMonitor* CCbsDiskSpaceMonitor::NewL( CCbsDbImp& aDbImp )

    70     {

    71     CBSLOGSTRING("CBSSERVER: >>> CCbsDiskSpaceMonitor::NewL()");

    72     

    73     CCbsDiskSpaceMonitor* self = 

    74         new ( ELeave ) CCbsDiskSpaceMonitor( aDbImp );

    75     CleanupStack::PushL( self );

    76     self->ConstructL();

    77     CleanupStack::Pop();

    78     

    79     CBSLOGSTRING("CBSSERVER: <<< CCbsDiskSpaceMonitor::NewL(), returning self.");

    80     return self;

    81     }

    82     

    83 // Destructor

    84 CCbsDiskSpaceMonitor::~CCbsDiskSpaceMonitor()

    85     {

    86     CBSLOGSTRING("CBSSERVER: >>> CCbsDiskSpaceMonitor::~CCbsDiskSpaceMonitor()");

    87     Cancel();

    88 	iProperty.Close();

    89 	CBSLOGSTRING("CBSSERVER: <<< CCbsDiskSpaceMonitor::~CCbsDiskSpaceMonitor()");

    90     }

    91 

    92 // -----------------------------------------------------------------------------

    93 // CCbsDiskSpaceMonitor::IssueRequest

    94 // Requests that we are notified when the system state changes.

    95 // (other items were commented in a header).

    96 // -----------------------------------------------------------------------------

    97 //

    98 void CCbsDiskSpaceMonitor::IssueRequest() 

    99     {

   100     CBSLOGSTRING("CBSSERVER: >>> CCbsDiskSpaceMonitor::IssueRequest()");

   101     

   102     if ( !IsActive() )

   103         {        

   104         // Subscribe again

   105     	iProperty.Subscribe( iStatus );

   106 	    SetActive();

   107 	    CBSLOGSTRING("CBSSERVER: CCbsDiskSpaceMonitor::IssueRequest(): New Subscribe() set active.");

   108         }

   109         

   110     CBSLOGSTRING("CBSSERVER: <<< CCbsDiskSpaceMonitor::IssueRequest()");

   111     }

   112 

   113 // -----------------------------------------------------------------------------

   114 // CCbsDiskSpaceMonitor::RunL

   115 // Becomes active when the system state changes.

   116 // (other items were commented in a header).

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

   118 //

   119 void CCbsDiskSpaceMonitor::RunL()

   120     {

   121     CBSLOGSTRING2("CBSSERVER: >>> CCbsDiskSpaceMonitor::RunL(): iStatus: %d", iStatus.Int() );

   122     

   123     if ( iStatus == KErrNone )

   124         {        

   125         // Property updated, get new value

   126     	TInt state( 0 );

   127     	TInt error( KErrNone );

   128     	error = iProperty.Get( state );

   129     	CBSLOGSTRING2("CBSSERVER: CCbsDiskSpaceMonitor::RunL(): property.Get() error: %d", error );

   130     	CBSLOGSTRING2("CBSSERVER: CCbsDiskSpaceMonitor::RunL(): property.Get() state: %d", state );

   131     	

   132     	// If we received DISK_SPACE_OK, try to create the database

   133         // components.

   134         if ( state == KCriticalLevelDiskOk )

   135             {

   136             CBSLOGSTRING("CBSSERVER: CCbsDiskSpaceMonitor::RunL(): Calling CreateComponentsL()..." );

   137             iDbImp.CreateComponentsL();

   138             CBSLOGSTRING("CBSSERVER: CCbsDiskSpaceMonitor::RunL(): CreateComponentsL() finished." );

   139             }

   140         // To prevent ARMV5 compiler error

   141         if ( error )

   142             {

   143             error = KErrNone;

   144             }            

   145         }

   146     CBSLOGSTRING("CBSSERVER: <<< CCbsDiskSpaceMonitor::RunL()");        

   147     }

   148 

   149 // -----------------------------------------------------------------------------

   150 // CCbsDiskSpaceMonitor::DoCancel

   151 // Cancels an outstanding Subscribe request.  

   152 // (other items were commented in a header).

   153 // -----------------------------------------------------------------------------

   154 //

   155 void CCbsDiskSpaceMonitor::DoCancel()

   156     {

   157     CBSLOGSTRING("CBSSERVER: >>> CCbsDiskSpaceMonitor::DoCancel()");

   158     iProperty.Cancel();  

   159     CBSLOGSTRING("CBSSERVER: <<< CCbsDiskSpaceMonitor::DoCancel()"); 

   160     }

   161 

   162 // ========================== OTHER EXPORTED FUNCTIONS =========================

   163 

   164 //  End of File