--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/filemanager/Engine/inc/MFileManagerThreadFunction.h Mon Jan 18 20:09:41 2010 +0200
@@ -0,0 +1,89 @@
+/*
+* Copyright (c) 2006-2007 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: Background thread abstraction
+*
+*/
+
+
+#ifndef MFILEMANAGERTHREADFUNCTION_H
+#define MFILEMANAGERTHREADFUNCTION_H
+
+
+// INCLUDES
+#include <e32base.h>
+
+
+// CLASS DECLARATION
+/**
+* Defines an interface for background thread abstraction.
+*
+* @since 3.1
+*/
+class MFileManagerThreadFunction
+ {
+ public: // Background thread space executed callbacks
+
+ /**
+ * Inits background thread owned handles and data.
+ * Executed always on background thread start.
+ * @since 3.1
+ */
+ virtual void InitThreadL() {}
+
+ /**
+ * Releases background thread owned handles and data.
+ * Executed always on background thread exit.
+ * @since 3.1
+ */
+ virtual void ReleaseThread() {}
+
+ /**
+ * Runs background thread.
+ * @since 3.1
+ */
+ virtual void ThreadStepL() = 0;
+
+ /**
+ * Checks is background thread done.
+ * @since 3.1
+ * @return ETrue if thread is done and should be finished,
+ * EFalse if ThreadStepL should be executed.
+ */
+ virtual TBool IsThreadDone() = 0;
+
+
+ public: // Client thread space executed callbacks
+ enum TNotifyType // Notify type flags
+ {
+ ENotifyNone = 0x0,
+ ENotifyError = 0x1,
+ ENotifyFinished = 0x2, // Notifies thread's death
+ ENotifyStepFinished = 0x4 // Notifies step completion
+ };
+ /**
+ * Notifies client about background thread events.
+ * Background thread is stopped during notification and
+ * it is safe to modify shared data to handle errors etc.
+ * @since 3.1
+ * @param aType notification type
+ * @param aValue notification value
+ */
+ virtual void NotifyThreadClientL(
+ TNotifyType aType, TInt aValue ) = 0;
+
+ };
+
+#endif // MFILEMANAGERTHREADFUNCTION_H
+
+// End of File