--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothengine/btaudioman/inc/basrvactive.h Mon Jan 18 20:28:57 2010 +0200
@@ -0,0 +1,158 @@
+/*
+* Copyright (c) 2005-2006 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: The base active object declaration
+*
+*/
+
+
+#ifndef C_BASRVACTIVE_H
+#define C_BASRVACTIVE_H
+
+// INCLUDES
+#include <e32base.h>
+
+class CBasrvActive;
+
+/**
+ * The observer of CBasrvActive's request events
+ *
+ * This class defines the interface to handle a async request events from CBasrvActive.
+ *
+ * @since S60 v3.1
+ */
+class MBasrvActiveObserver
+ {
+
+public:
+
+ /**
+ * Handles the request completion event.
+ *
+ * @since S60 v3.1
+ * @param aActive the Active Object to which the request is assigned to.
+ */
+ virtual void RequestCompletedL(CBasrvActive& aActive) = 0;
+
+ /**
+ * Handles the cancellation of an outstanding request.
+ *
+ * @since S60 v3.1
+ * @param aActive the Active Object to which the request is assigned to.
+ */
+ virtual void CancelRequest(CBasrvActive& aActive) = 0;
+
+ };
+
+/**
+ * A base class for abstract Active Objects.
+ *
+ * This class provides TRequestStatus for an async operation but it doesn't know the
+ * detail of the request. CBasrvActive could be used to implement timers, P&S subscribes
+ * that are "simple" enough operations.
+ *
+ * @since S60 v3.1
+ */
+class CBasrvActive : public CActive
+ {
+
+public:
+
+ static CBasrvActive* New(MBasrvActiveObserver& aObserver,
+ CActive::TPriority aPriority, TInt aRequestId);
+
+
+ static CBasrvActive* NewL(MBasrvActiveObserver& aObserver,
+ CActive::TPriority aPriority, TInt aRequestId);
+
+ static CBasrvActive* NewLC(MBasrvActiveObserver& aObserver,
+ CActive::TPriority aPriority, TInt aRequestId);
+
+ virtual ~CBasrvActive();
+
+public:
+
+ /**
+ * Calls SetActive().
+ *
+ * @since S60 v3.1
+ */
+ virtual void GoActive();
+
+ /**
+ * Gets the identifier of the request that this active object is serving.
+ *
+ * @since S60 v3.1
+ * @return the request identifier
+ */
+ TInt RequestId() const;
+
+ /**
+ * Gets the identifier of the request that this active object is serving.
+ *
+ * @since S60 v3.1
+ * @param the request identifier
+ */
+ void SetRequestId(TInt aRequestId);
+
+protected:
+
+ /**
+ * From CActive.
+ * cancels the outstanding request.
+ *
+ * @since S60 v3.1
+ */
+ virtual void DoCancel();
+
+ /**
+ * From CActive.
+ * Handles the request completion event.
+ *
+ * @since S60 v3.1
+ */
+ virtual void RunL();
+
+ /**
+ * From CActive.
+ * Handles the leave from RunL().
+ *
+ * @since S60 v3.1
+ * @param aError the leave code in RunL()
+ * @return the error code to Active Scheduler
+ */
+ virtual TInt RunError(TInt aError);
+
+protected:
+
+ CBasrvActive(MBasrvActiveObserver& aObserver,
+ CActive::TPriority aPriority, TInt aRequestId);
+
+ MBasrvActiveObserver& Observer();
+
+private:
+
+ /**
+ * The observer which is interested in the request handling events.
+ * Not own.
+ */
+ MBasrvActiveObserver& iObserver;
+
+ /**
+ * The request identifier assigned to this active object.
+ */
+ TInt iRequestId;
+
+ };
+
+#endif // C_BASRVACTIVE_H