/*
* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:
* CMsgErrorDiskSpaceObserver implementation file
*
*/
// INCLUDE FILES
#include <e32base.h>
#include "msgerrorwatcher_p.h"
#include "msgerrordiskspaceobserver.h"
#include "debugtraces.h"
// ================= MEMBER FUNCTIONS =======================
// ---------------------------------------------------------
// CMsgErrorDiskSpaceObserver::CMsgErrorDiskSpaceObserver
//
// C++ constructor can NOT contain any code, that
// might leave.
// ---------------------------------------------------------
//
CMsgErrorDiskSpaceObserver::CMsgErrorDiskSpaceObserver(
CMsgErrorWatcherPrivate& aWatcher,
CMsvSession& aSession,
RFs& aFs )
: CActive( CActive::EPriorityStandard ),
iWatcher( aWatcher ),
iSession( aSession ),
iFs( aFs ),
iLimit( 0 )
{
QDEBUG_WRITE("CMsgErrorDiskSpaceObserver:CMsgErrorDiskSpaceObserver : Enter");
CActiveScheduler::Add( this );
QDEBUG_WRITE("CMsgErrorDiskSpaceObserver:CMsgErrorDiskSpaceObserver : Exit");
}
// ---------------------------------------------------------
// CMsgErrorDiskSpaceObserver::NewL
//
// Two-phased constructor.
// ---------------------------------------------------------
//
CMsgErrorDiskSpaceObserver* CMsgErrorDiskSpaceObserver::NewL(
CMsgErrorWatcherPrivate& aWatcher,
CMsvSession& aSession,
RFs& aFs )
{
QDEBUG_WRITE("CMsgErrorDiskSpaceObserver:NewL : Enter");
CMsgErrorDiskSpaceObserver* self = new ( ELeave )
CMsgErrorDiskSpaceObserver( aWatcher, aSession, aFs );
QDEBUG_WRITE("CMsgErrorDiskSpaceObserver:NewL : Exit");
return self;
}
// ---------------------------------------------------------
// CMsgErrorDiskSpaceObserver::~CMsgErrorDiskSpaceObserver
//
// Destructor
// ---------------------------------------------------------
//
CMsgErrorDiskSpaceObserver::~CMsgErrorDiskSpaceObserver()
{
QDEBUG_WRITE("CMsgErrorDiskSpaceObserver:~CMsgErrorDiskSpaceObserver : Enter");
Cancel();
QDEBUG_WRITE("CMsgErrorDiskSpaceObserver:~CMsgErrorDiskSpaceObserver : Exit");
}
// ---------------------------------------------------------
// CMsgErrorDiskSpaceObserver::DoCancel
//
// From active object framework
// ---------------------------------------------------------
//
void CMsgErrorDiskSpaceObserver::DoCancel()
{
QDEBUG_WRITE("CMsgErrorDiskSpaceObserver:DoCancel : Enter");
iFs.NotifyDiskSpaceCancel( iStatus );
QDEBUG_WRITE("CMsgErrorDiskSpaceObserver:DoCancel : Exit");
}
// ---------------------------------------------------------
// CMsgErrorDiskSpaceObserver::RunL
//
// From active object framework
// ---------------------------------------------------------
//
void CMsgErrorDiskSpaceObserver::RunL()
{
QDEBUG_WRITE("CMsgErrorDiskSpaceObserver:RunL : Enter");
QDEBUG_WRITE_FORMAT("DiskSpace: RunL, iStatus: ", iStatus.Int() );
TInt status = iStatus.Int();
if ( status < 0 )
{
//Reset the observer.
TRAP_IGNORE ( SetLimitAndActivateL( iLimit ) );
return;
}
//We shouldn't have to check whether we're above the limit,
//because we were below when we activated and the event comes
//when we cross the limit
TRAP_IGNORE( iWatcher.HandleDiskSpaceEventL() );
QDEBUG_WRITE("CMsgErrorDiskSpaceObserver:RunL : Exit");
}
// ---------------------------------------------------------
// CMsgErrorDiskSpaceObserver::SetLimitAndActivateL
//
// Sets the disk space trigger level for active object
// and activates it.
// ---------------------------------------------------------
//
void CMsgErrorDiskSpaceObserver::SetLimitAndActivateL( TInt32 aLimit )
{
QDEBUG_WRITE("CMsgErrorDiskSpaceObserver:SetLimitAndActivateL : Enter");
QDEBUG_WRITE_FORMAT("DiskSpace: aLimit ", aLimit );
__ASSERT_DEBUG( aLimit >= 0, User::Leave( KErrArgument ) );
if ( aLimit < 0 )
{
return;
}
if ( iLimit == 0 || iLimit > aLimit )
{
Cancel();
iLimit = aLimit;
TInt currentDrive = TInt( iSession.CurrentDriveL() );
TVolumeInfo volInfo;
User::LeaveIfError( iFs.Volume( volInfo, currentDrive ) );
QDEBUG_WRITE_FORMAT("DiskSpace: free/hi : ", I64HIGH( volInfo.iFree ) );
QDEBUG_WRITE_FORMAT("DiskSpace: free/lo : ", I64LOW( volInfo.iFree ) );
//check if we're already above the limit
if ( I64HIGH( volInfo.iFree ) != 0 ||
I64LOW( volInfo.iFree ) > (TUint)iLimit ) //iLimit is always positive.
{
iWatcher.HandleDiskSpaceEventL();
return;
}
else
{
QDEBUG_WRITE( "notify activated" );
TInt64 treshold = iLimit;
iFs.NotifyDiskSpace( treshold, currentDrive, iStatus );
// No need to check IsActive since object is cancelled
// anyway above
SetActive();
}
}
QDEBUG_WRITE("CMsgErrorDiskSpaceObserver:SetLimitAndActivateL : Exit");
}
// ================= OTHER EXPORTED FUNCTIONS ==============
// End of File