--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/harvester/monitorplugins/mmcplugin/inc/mmcmonitorao.h Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,165 @@
+/*
+* Copyright (c) 2006-2009 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: Monitors MMC insertions and removals.*
+*/
+
+
+#ifndef __MMCMONITORAO_H__
+#define __MMCMONITORAO_H__
+
+#include <e32base.h>
+#include <f32file.h>
+#include "mdscommoninternal.h"
+
+enum TMMCEventType
+ {
+ EMounted,
+ EDismounted,
+ EFormatted
+ };
+
+class MMMCMonitorObserver
+ {
+ public:
+ /**
+ * A pure virtual method to notify about any MMC insertions and removals.
+ *
+ * @param aDriveChar A drive char of MMC which was inserted or removed.
+ * @param aEventType EMounted if MMC is inserted, EDismounted if it is removed.
+ */
+ virtual void MountEvent( TChar aDriveChar,
+ TUint32 aMediaID, TMMCEventType aEventType ) = 0;
+ };
+
+class CMMCMonitorAO : public CActive
+ {
+ public:
+
+ /**
+ * Creates and constructs a new instance of CMMCMonitorAO.
+ *
+ * @return A pointer to the new instance of CMMCMonitorAO
+ */
+ static CMMCMonitorAO* NewL();
+
+ /**
+ * Destructor
+ */
+ virtual ~CMMCMonitorAO();
+
+ /**
+ * Starts monitoring the MMC insertions and removals.
+ *
+ * @param aObserver Both events are notified via the aObserver.
+ * @return ETrue if success, EFalse if not
+ */
+ TBool StartMonitoring( MMMCMonitorObserver& aObserver, RArray<TMdEMediaInfo>& aMedias );
+
+ /**
+ * Stops monitoring.
+ *
+ * @return ETrue if success, EFalse if not
+ */
+ TBool StopMonitoring();
+
+ /**
+ * Resumes paused monitoring.
+ *
+ * @return ETrue if success, EFalse if not
+ */
+ TBool Resume();
+
+ /**
+ * Pauses monitoring.
+ *
+ * @return ETrue if success, EFalse if not
+ */
+ TBool Pause();
+
+ /**
+ * Inherited from CActive. This method will be called on file server notifying.
+ */
+ void RunL();
+
+ /**
+ * Handles a leave occurring in the request completion event handler RunL().
+ *
+ * @param aError An error code.
+ * @return An error code.
+ */
+ TInt RunError( TInt aError );
+
+ /**
+ * Cancels file server notifying. Inherited from CActive.
+ */
+ void DoCancel();
+
+ private:
+
+ /**
+ * C++ constructor - not exported;
+ * implicitly called from NewL()
+ */
+ CMMCMonitorAO();
+
+ /**
+ * 2nd phase construction, called by NewL()
+ */
+ void ConstructL();
+
+ /**
+ * Starts file server to notify us about MMC insertions and removals.
+ */
+ void StartNotify();
+
+ /**
+ * Makes a list of all removable medias which is present.
+ */
+ void BuildDriveList();
+
+ /**
+ * Compares previous and present drive list. Notify an observer about any differences in lists.
+ */
+ void CompareDriveLists();
+
+#ifdef _DEBUG
+ void PrintAllLists();
+#endif
+
+
+ private:
+ /**
+ * An observer.
+ */
+ MMMCMonitorObserver* iObserver;
+
+ /**
+ * A file server.
+ */
+ RFs iFs;
+
+ /**
+ * A present drive list.
+ */
+ TDriveList iDriveList;
+
+ /**
+ * A previous drive list.
+ */
+ TDriveList iPreviousDriveList;
+
+ TUint32 iMediaIdList[KMaxDrives];
+ };
+
+#endif // __MMCMONITORAO_H__