--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/internetradio2.0/uisrc/irdiskspacewatcher.cpp Mon Apr 19 14:01:53 2010 +0300
@@ -0,0 +1,165 @@
+/*
+* Copyright (c) 2004 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: Performs disk space watching.
+*
+*/
+
+
+#include <f32file.h>
+
+#include "irdebug.h"
+#include "irdiskspacewatcher.h"
+#include "irdiskspacesession.h"
+
+
+// ---------------------------------------------------------------------------
+// C++ default constructor can NOT contain any code, that might leave.
+// ---------------------------------------------------------------------------
+//
+CIRDiskSpaceWatcher::CIRDiskSpaceWatcher( const TInt64& aCriticalLevel,
+ MIRDiskSpaceWatcherObserver& aDiskSpaceWatcherObserver ) :
+ iCriticalLevel( aCriticalLevel ),
+ iObserver ( aDiskSpaceWatcherObserver )
+ {
+ }
+
+// ---------------------------------------------------------------------------
+// EPOC default constructor can leave.
+// ---------------------------------------------------------------------------
+//
+void CIRDiskSpaceWatcher::ConstructL()
+ {
+ User::LeaveIfError(iFs.Connect());
+ }
+
+
+// ---------------------------------------------------------------------------
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+CIRDiskSpaceWatcher* CIRDiskSpaceWatcher::NewL( const TInt64& aCriticalLevel,
+ MIRDiskSpaceWatcherObserver& aDiskSpaceWatcherObserver )
+
+ {
+ CIRDiskSpaceWatcher* self = new( ELeave ) CIRDiskSpaceWatcher( aCriticalLevel,
+ aDiskSpaceWatcherObserver );
+
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop(self);
+
+ return self;
+ }
+
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CIRDiskSpaceWatcher::~CIRDiskSpaceWatcher()
+ {
+ iDiskSpaceSessions.ResetAndDestroy();
+ iDiskSpaceSessions.Close();
+ iFs.Close();
+ }
+
+
+// ---------------------------------------------------------------------------
+// Returns ETrue if below the critical level in defined disk, otherwise EFalse
+// ---------------------------------------------------------------------------
+//
+TBool CIRDiskSpaceWatcher::IsBelowCriticalLevel(
+ const TDriveNumber& aDriveNumber ) const
+ {
+ TBool returnValue = EFalse;
+
+ if ( iDiskSpaceSessions.Count() > 0 )
+ {
+ CIRDiskSpaceSession* session = iDiskSpaceSessions[0];
+ returnValue = session->IsBelowCriticalLevel( aDriveNumber );
+ }
+
+ return returnValue;
+ }
+
+
+// ---------------------------------------------------------------------------
+// CIRDiskSpaceWatcher::StartObservingDriveL
+// ---------------------------------------------------------------------------
+//
+void CIRDiskSpaceWatcher::StartObservingDriveL(
+ const TDriveNumber& aDriveNumber )
+ {
+ TBool found = EFalse;
+
+ for ( TInt i = 0 ; i < iDiskSpaceSessions.Count() ; i++ )
+ {
+ CIRDiskSpaceSession* session = iDiskSpaceSessions[i];
+ if ( session->DriveNumber() == aDriveNumber )
+ {
+ session->SetObserverCount( session->ObserverCount() + 1 );
+ found = ETrue;
+ /*lint -save -e960 (Note -- Violates MISRA Required Rule 58, non-switch break used)*/
+ break;
+ /*lint -restore*/
+ }
+ }
+ if ( !found )
+ {
+ CIRDiskSpaceSession* session = CIRDiskSpaceSession::NewL( *this,
+ aDriveNumber, iCriticalLevel, iFs );
+ session->SetObserverCount( 1 );
+ iDiskSpaceSessions.Append( session );
+ }
+ }
+
+
+// ---------------------------------------------------------------------------
+// CIRDiskSpaceWatcher::StopObservingDrive
+// ---------------------------------------------------------------------------
+//
+void CIRDiskSpaceWatcher::StopObservingDrive(
+ const TDriveNumber& aDriveNumber )
+ {
+ for ( TInt i = 0 ; i < iDiskSpaceSessions.Count() ; i++ )
+ {
+ CIRDiskSpaceSession* session = iDiskSpaceSessions[i];
+ if ( session->DriveNumber() == aDriveNumber )
+ {
+ session->SetObserverCount( session->ObserverCount() - 1 );
+ if ( session->ObserverCount() == 0 )
+ {
+ iDiskSpaceSessions.Remove( i );
+ delete session;
+ session = NULL;
+ }
+ /*lint -save -e960 (Note -- Violates MISRA Required Rule 58, non-switch break used)*/
+ break;
+ /*lint -restore*/
+ }
+ }
+
+ }
+
+
+// ---------------------------------------------------------------------------
+// From class MIRDiskSpaceWatcherObserver.
+// CIRDiskSpaceWatcher::NotifyLowDiskSpaceL
+// ---------------------------------------------------------------------------
+//
+void CIRDiskSpaceWatcher::NotifyLowDiskSpaceL()
+ {
+ IRRDEBUG2("CIRDiskSpaceWatcher::NotifyLowDiskSpaceL - Phone LOW MEMORY detected", KNullDesC);
+ iObserver.NotifyLowDiskSpaceL();
+ }