--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/filemanager/Engine/src/CFileManagerRefresher.cpp Mon Jan 18 20:09:41 2010 +0200
@@ -0,0 +1,202 @@
+/*
+* Copyright (c) 2002-2006 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: Asynchronous refresher for refreshing the CGflmNavigatorModel
+*
+*/
+
+
+
+// INCLUDE FILES
+#include "CFileManagerRefresher.h"
+#include "MFileManagerProcessObserver.h"
+#include "CGflmNavigatorModel.h"
+#include "FileManagerDebug.h"
+#include <e32std.h>
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CFileManagerRefresher::CFileManagerRefresher
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CFileManagerRefresher::CFileManagerRefresher( CGflmNavigatorModel& aModel ) :
+ CActive( CActive::EPriorityStandard ),
+ iModel( aModel )
+ {
+ }
+
+// -----------------------------------------------------------------------------
+// CFileManagerRefresher::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CFileManagerRefresher::ConstructL()
+ {
+ CActiveScheduler::Add( this );
+ }
+
+// -----------------------------------------------------------------------------
+// CFileManagerRefresher::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CFileManagerRefresher* CFileManagerRefresher::NewL( CGflmNavigatorModel& aModel )
+ {
+ CFileManagerRefresher* self =
+ new( ELeave ) CFileManagerRefresher( aModel );
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop( self );
+
+ return self;
+ }
+
+// -----------------------------------------------------------------------------
+// CFileManagerRefresher::~CFileManagerRefresher()
+//
+// -----------------------------------------------------------------------------
+//
+CFileManagerRefresher::~CFileManagerRefresher()
+ {
+ Cancel();
+ }
+
+// -----------------------------------------------------------------------------
+// CFileManagerRefresher::RunL
+// -----------------------------------------------------------------------------
+//
+void CFileManagerRefresher::RunL()
+ {
+ FUNC_LOG
+
+ TInt err( iStatus.Int() );
+
+ LOG_IF_ERROR1( err, "CFileManagerRefresher::RunL()-err=%d", err )
+
+ if( iObserver )
+ {
+ iObserver->RefreshStoppedL();
+ if ( err == KErrCancel )
+ {
+ // For going back to parent folder
+ iObserver->Error( KErrPathNotFound );
+ }
+ }
+
+ // Forward OOM, suppress other errors
+ if ( err == KErrNoMemory )
+ {
+ User::Leave( err );
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// CFileManagerRefresher::RunError
+// -----------------------------------------------------------------------------
+//
+TInt CFileManagerRefresher::RunError( TInt aError )
+ {
+ ERROR_LOG1( "CFileManagerRefresher::RunError()-err=%d", aError )
+ return aError;
+ }
+
+// -----------------------------------------------------------------------------
+// CFileManagerRefresher::DoCancel
+// -----------------------------------------------------------------------------
+//
+void CFileManagerRefresher::DoCancel()
+ {
+ FUNC_LOG
+
+ iModel.CancelRefresh();
+ }
+
+// -----------------------------------------------------------------------------
+// CFileManagerRefresher::Refresh
+// Initiates the model refreshing
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CFileManagerRefresher::Refresh( TGflmRefreshMode aRefreshMode )
+ {
+ FUNC_LOG
+
+ // If already active, return
+ if( IsActive() )
+ {
+ ERROR_LOG( "CFileManagerRefresher::Refresh()-Already active" )
+ return;
+ }
+
+ TInt err( KErrNone );
+ if ( iObserver )
+ {
+ TRAP( err, iObserver->RefreshStartedL() );
+ }
+
+ if ( err )
+ {
+ ERROR_LOG1( "CFileManagerRefresher::Refresh()-Before err=%d", err )
+ return;
+ }
+
+ // Try to start the refresh operation
+ TRAP( err, iModel.RefreshListL( iStatus, aRefreshMode ) );
+
+ // If refreshing couldn't be started, notify observer and return
+ if ( err )
+ {
+ ERROR_LOG1( "CFileManagerRefresher::Refresh()-After err=%d", err )
+ if( iObserver )
+ {
+ TRAP_IGNORE( iObserver->RefreshStoppedL() );
+ }
+ return;
+ }
+
+ // Refreshing was started, set active and wait for asynchronous
+ // request to complete
+ SetActive();
+ }
+
+// ------------------------------------------------------------------------------
+// CFileManagerRefresher::SetObserver
+// ------------------------------------------------------------------------------
+//
+void CFileManagerRefresher::SetObserver( MFileManagerProcessObserver* aObserver )
+ {
+ // Set the observer if not active
+ if( !IsActive() )
+ {
+ iObserver = aObserver;
+ }
+ }
+
+// ------------------------------------------------------------------------------
+// CFileManagerRefresher::CancelRefresh
+// ------------------------------------------------------------------------------
+//
+TBool CFileManagerRefresher::CancelRefresh()
+ {
+ FUNC_LOG
+
+ TBool ret( IsActive() );
+ Cancel();
+ return ret;
+ }
+
+// End of File