diff -r 0ba996a9b75d -r 613943a21004 bluetoothengine/btserviceutil/export/btsimpleactive.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothengine/btserviceutil/export/btsimpleactive.h	Tue Aug 31 15:25:10 2010 +0300
@@ -0,0 +1,194 @@
+/*
+* Copyright (c) 2010 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:  Active object helper class.
+*
+*/
+
+#ifndef BTSIMPLEACTIVE_H
+#define BTSIMPLEACTIVE_H
+
+#include <e32base.h>
+
+class CBtSimpleActive;
+
+/**
+ * APIs from this class offer functionalities that are common in mw and app 
+ * components of Bluetooth packages. They do not serve as domain APIs.
+ * 
+ * Using these from external components is risky, due to possible source
+ * and binary breaks in future.
+ * 
+ */
+
+
+/**
+ *  Class MBtSimpleActiveObserver
+ *
+ *  Callback class for receiving a completed active object event.
+ *  Users of CBtSimpleActive need to derive from this class. 
+ *
+ *  @lib bteng*.lib
+ *  @since S60 v3.2
+ */
+class MBtSimpleActiveObserver
+    {
+public:
+
+    /**
+     * Callback from RunL() to notify that an outstanding request has completed.
+     *
+     * @since Symbian^4
+     * @param aActive Pointer to the active object that completed.
+     * @param aStatus The status of the completed request.
+     */
+    virtual void RequestCompletedL( CBtSimpleActive* aActive, TInt aStatus ) = 0;
+
+    /**
+     * Callback from Docancel() for handling cancelation of an outstanding request.
+     *
+     * @since Symbian^4
+     * @param aId The ID that identifies the outstanding request.
+     */
+    virtual void CancelRequest( TInt aRequestId ) = 0;
+
+    /**
+     * Callback from RunError() to notify that an error has occurred in RunL.
+     *
+     * @since Symbian^4
+     * @param aActive Pointer to the active object that completed.
+     * @param aError The error occurred in RunL.
+     */
+    virtual void HandleError( CBtSimpleActive* aActive, TInt aError ) = 0;
+    };
+
+/**
+ *  Class CBtSimpleActive.
+ *  
+ *  This Active Object provides its client a TRequestStatus for performing 
+ *  asynchronous requests. It does not know the detail of the asynch operation.
+ *  All of AO callbacks, such as RunL, will be delegated to the client
+ *  for processing, via interface MBtSimpleActiveObserver.
+ *  
+ */
+NONSHARABLE_CLASS ( CBtSimpleActive ): public CActive
+    {
+
+public:
+
+    /**
+     * Two-phase constructor
+     *
+     * @since Symbian^4
+     * @param aObserver Pointer to callback interface that receives notification
+     *                  that the request has been completed.
+     * @param aId Identifier for the CBtSimpleActive instance.
+     * @param aPriority The priority of the active object.
+     * @return Pointer to the constructed CBtSimpleActive object.
+     */
+    IMPORT_C static CBtSimpleActive* NewL( MBtSimpleActiveObserver& aObserver, TInt aId,
+                                TInt aPriority = CActive::EPriorityStandard );
+
+    /**
+     * Destructor
+     */
+    IMPORT_C virtual ~CBtSimpleActive();
+
+    /**
+     * Get the request ID of this active object.
+     *
+     * @since Symbian^4
+     * @return The request ID of this active object.
+     */
+    IMPORT_C TInt RequestId();
+
+    /**
+     * Set a new request ID for this active object.
+     *
+     * @since Symbian^4
+     * @param The new request ID of this active object.
+     */
+    IMPORT_C void SetRequestId( TInt aId );
+
+    /**
+     * Activate the active object.
+     *
+     * @since Symbian^4
+     */
+    IMPORT_C void GoActive();
+
+    /**
+     * Get a reference to the active object request status.
+     *
+     * @since Symbian^4
+     * @return Reference to the active object request status.
+     */
+    IMPORT_C TRequestStatus& RequestStatus();
+
+private:
+// from base class CActive
+
+    /**
+     * From CActive.
+     * Called by the active scheduler when the request has been cancelled.
+     *
+     * @since S60 v3.2
+     */
+    void DoCancel();
+
+    /**
+     * From CActive.
+     * Called by the active scheduler when the request has been completed.
+     *
+     * @since S60 v3.2
+     */
+    void RunL();
+
+    /**
+     * From CActive.
+     * Called by the active scheduler when an error in RunL has occurred.
+     *
+     * @since S60 v3.2
+     */
+    TInt RunError( TInt aError );
+
+private:
+
+    /**
+     * C++ default constructor
+     *
+     * @since S60 v3.2
+     * @param aObserver Pointer to callback interface that receives notification
+     *                  that the request has been completed.
+     * @param aId ID of the request (for the client to keep track of multiple 
+     *            active objects).
+     * @param aPriority Priority of 
+     */
+    CBtSimpleActive( MBtSimpleActiveObserver& aObserver, TInt aId, TInt aPriority );
+
+private: // data
+
+    /**
+     * ID of the request (used only by our client).
+     */
+    TInt iRequestId;
+
+    /**
+     * Our observer.
+     * Not own.
+     */
+    MBtSimpleActiveObserver& iObserver;
+
+    };
+
+#endif // BTSIMPLEACTIVE_H