appinstaller/AppMngr2/src/appmngr2scannerdir.cpp
changeset 0 ba25891c3a9e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/appinstaller/AppMngr2/src/appmngr2scannerdir.cpp	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,159 @@
+/*
+* Copyright (c) 2008 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:   Directory scanner
+*
+*/
+
+
+#include "appmngr2scannerdir.h"         // CAppMngr2ScannerDir
+#include "appmngr2scannerdirobserver.h" // MAppMngr2ScannerDirObserver
+#include <driveinfo.h>                  // DriveInfo
+
+_LIT( KBackslash, "\\" );
+
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// CAppMngr2ScannerDir::NewLC()
+// ---------------------------------------------------------------------------
+//
+CAppMngr2ScannerDir* CAppMngr2ScannerDir::NewL( RFs& aFs, const TDesC& aDir,
+        MAppMngr2ScannerDirObserver& aObs )
+    {
+    CAppMngr2ScannerDir* self = new (ELeave) CAppMngr2ScannerDir( aFs, aObs );
+    CleanupStack::PushL( self );
+    self->ConstructL( aDir );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// CAppMngr2ScannerDir::~CAppMngr2ScannerDir()
+// ---------------------------------------------------------------------------
+//
+CAppMngr2ScannerDir::~CAppMngr2ScannerDir()
+    {
+    Cancel();
+    delete iDir;
+    }
+
+// ---------------------------------------------------------------------------
+// CAppMngr2ScannerDir::DirName()
+// ---------------------------------------------------------------------------
+//
+const TDesC& CAppMngr2ScannerDir::DirName() const
+    {
+    if( iDir )
+        {
+        return *iDir;
+        }
+    return KNullDesC;
+    }
+
+// ---------------------------------------------------------------------------
+// CAppMngr2ScannerDir::StartWatchingChanges()
+// ---------------------------------------------------------------------------
+//
+void CAppMngr2ScannerDir::StartWatchingChanges()
+    {
+    if( !IsActive() )
+        {
+        iFs.NotifyChange( ENotifyEntry, iStatus, *iDir );
+        SetActive();
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CAppMngr2ScannerDir::StopWatchingChanges()
+// ---------------------------------------------------------------------------
+//
+void CAppMngr2ScannerDir::StopWatchingChanges()
+    {
+    if( IsActive() )
+        {
+        Cancel();
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CAppMngr2ScannerDir::DoCancel()
+// ---------------------------------------------------------------------------
+//
+void CAppMngr2ScannerDir::DoCancel()
+    {
+    iFs.NotifyChangeCancel();
+    }
+
+// ---------------------------------------------------------------------------
+// CAppMngr2ScannerDir::RunL()
+// ---------------------------------------------------------------------------
+//
+void CAppMngr2ScannerDir::RunL()
+    {
+    // Status is KErrCancel when StopWatchingChanges() has been called
+    if( iStatus.Int() == KErrNone )
+        {
+        iFs.NotifyChange( ENotifyEntry, iStatus, *iDir );
+        SetActive();
+    
+        iObserver.DirectoryChangedL( *iDir );
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CAppMngr2ScannerDir::CAppMngr2ScannerDir()
+// ---------------------------------------------------------------------------
+//
+CAppMngr2ScannerDir::CAppMngr2ScannerDir( RFs& aFs, MAppMngr2ScannerDirObserver& aObs ) :
+        CActive( CActive::EPriorityStandard ), iObserver( aObs ), iFs( aFs )
+    {
+    CActiveScheduler::Add( this );
+    }
+
+// ---------------------------------------------------------------------------
+// CAppMngr2ScannerDir::ConstructL()
+// ---------------------------------------------------------------------------
+//
+void CAppMngr2ScannerDir::ConstructL( const TDesC& aDir )
+    {
+    // Check if aDir has trailing backslash, add it if it does not have.
+    // RFs::NotifyChange() and also RApaLsSession::RecognizeFilesL() that scanner
+    // uses require trailing backslashes in directory names, hence create iDir so
+    // that is always ends with trailing backslash.
+    if( aDir.Right( 1 ).Compare( KBackslash ) == 0 )
+        {
+        // RFs::IsValidName() does not accept trailing backslashes, so check the
+        // the directory name first without trailing backslash
+        TPtrC dirWithoutTrailingString( aDir.Left( aDir.Length() - 1 ) );
+        if( !iFs.IsValidName( dirWithoutTrailingString ) )
+            {
+            User::LeaveIfError( KErrBadName );
+            }
+        iDir = aDir.AllocL();
+        }
+    else
+        {
+        // No trailing backslash, check the dir name and then add the backslash
+        if( !iFs.IsValidName( aDir ) )
+            {
+            User::LeaveIfError( KErrBadName );
+            }
+        iDir = HBufC::NewL( aDir.Length() + 1 );
+        TPtr dirPtr = iDir->Des();
+        dirPtr.Copy( aDir );
+        dirPtr.Append( KBackslash );
+        }
+    }
+