diff -r f5050f1da672 -r 04becd199f91 javacommons/fileutils/inc/driveutilities.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javacommons/fileutils/inc/driveutilities.h	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,136 @@
+/*
+* Copyright (c) 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:  DriveUtilities
+*
+*/
+
+#ifndef DRIVEUTILITIES_H
+#define DRIVEUTILITIES_H
+
+#include "javaosheaders.h"
+#include "comms.h"
+
+#include <string>
+#include <vector>
+
+namespace java
+{
+namespace comms
+{
+class CommsEndpoint;
+} // namespace comms
+
+namespace fileutils
+{
+
+struct driveInfo
+{
+    driveInfo():iIsPresent(false), iIsRemovable(false),
+            iIsLocal(false), iIsReadOnly(false), iId(0), iIsExternallyMountable(false)
+    {}
+
+    std::wstring  iRootPath;
+    bool          iIsPresent;
+    bool          iIsRemovable;
+    bool          iIsLocal;
+    bool          iIsReadOnly;
+    unsigned int  iId;
+    bool          iIsExternallyMountable;
+};
+
+typedef std::vector<driveInfo> driveInfos;
+
+class DriveListenerInterface
+{
+public:
+    enum
+    {
+        REMOVABLE_MEDIA_INSERTED_C     = 1,
+        REMOVABLE_MEDIA_REMOVED_C,  // = 2
+        // possibe future operations
+        // for remote drives
+        // DRIVE_MOUNTED_C,
+        // DRIVE_UNMOUNTED_C
+        // for local drives,
+        // DRIVE_ADDDED_C
+        // DRIVE_REMOVED_C
+    };
+
+    virtual void driveChanged(const int& aOperation, const driveInfo& aDriveInfo) = 0;
+};
+
+class DriveObserverServerInterface
+{
+public:
+    virtual ~DriveObserverServerInterface() = 0;
+
+    virtual void startServer(java::comms::CommsEndpoint* aComms) = 0;
+    virtual void stopServer() = 0;
+
+    // For local listeners
+    virtual void registerListener(DriveListenerInterface* aListener) = 0;
+    virtual void unregisterListener(DriveListenerInterface* aListener) = 0;
+};
+
+OS_NONSHARABLE_CLASS(DriveUtilities)
+{
+public:
+
+    ////////////// Client API start //////////////////////////////////////////
+    // These methods are intended for client users of drive observer API
+    /**
+     * Returns the list of all defined drives/roots within the system.
+     *
+     * @param[in/out] aDriveInfo: a reference to a collection which receives
+     *                the all defined drives within the system
+     */
+    OS_IMPORT static void getAllDrives(driveInfos& aDriveInfos);
+
+    /**
+     * Returns the list of available drives/roots wich are present and accesible.
+     *
+     * @param[in/out] aDriveInfo: a reference to a collection which receives
+     *                the existing drives with accesible media within the system
+     */
+    OS_IMPORT static void getAccesibleDrives(driveInfos& aDriveInfos);
+
+    /**
+     * Registers a listener for drive changed events
+     *
+     * @param[in] aListener: pointer to an interface implementing callback methods
+     */
+    OS_IMPORT static void registerListener(DriveListenerInterface* aListener,
+                                           const int& aServerAddress = java::comms::IPC_ADDRESS_JAVA_CAPTAIN_C);
+    /**
+     * Unregisters a listener for drive changed events
+     *
+     * @param[in] aListener: pointer to an interface implementing callback methods
+     */
+    OS_IMPORT static void unregisterListener(DriveListenerInterface* aListener,
+            const int& aServerAddress = java::comms::IPC_ADDRESS_JAVA_CAPTAIN_C);
+    ////////////// Client API stop //////////////////////////////////////////
+
+    ////////////// Server API start //////////////////////////////////////////
+    // Following methods are to be used only by DriveObserver server instantianter
+    // which is currently javacaptain. The interface to create a server side instance
+    // is here in order to enable drive observer functionality also on platforms
+    // and configurations which do not have javacaptain running
+    ////////////// Server API start //////////////////////////////////////////
+    OS_IMPORT static DriveObserverServerInterface* getDriveObserverServer();
+};
+
+} // end of namespace fileutils
+} // end of namespace java
+#endif // DRIVEUTILITIES_H
+