userlibandfileserver/domainmgr/inc/domainmember_private.h
changeset 279 957c583b417b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/userlibandfileserver/domainmgr/inc/domainmember_private.h	Mon Oct 04 12:03:52 2010 +0100
@@ -0,0 +1,71 @@
+// 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 the License "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: Contains private Domain Member interface internal to the Kernel
+// & Hardware Services package.
+//
+// WARNING: This file contains some APIs which are internal and are subject
+//          to change without notice. Such APIs should therefore not be used
+//          outside the Kernel & Hardware Services package.
+//
+
+#ifndef __DOMAIN_MEMBER_PRIVATE_H__
+#define __DOMAIN_MEMBER_PRIVATE_H__
+
+#include <e32base.h>
+
+class RDmDomain;
+class CDmDomainKeepAlive;
+
+/**
+This active object will, once activated, repeatedly attempt to defer
+a transition deadline from the Domain Manager.
+
+It will stop once an attempt to defer fails eg. because deferral
+was cancelled or the transition was acknowledged.
+*/
+class CDmKeepAlive : public CActive
+	{
+public:
+	CDmKeepAlive(RDmDomain& aDomain, CDmDomainKeepAlive& aOwnerActiveObject);
+	~CDmKeepAlive();
+
+	/**
+	Request deadline deferral for the last transition
+	notification
+	*/
+	void DeferNotification();
+
+	void NotifyOfAcknowledgment();
+
+protected:
+	/**
+	Re-call DeferNotification(), unless the previous
+	call completed with an error.
+	*/
+	void RunL();
+
+	/**
+	Handle errors thrown from RunL() - call HandleDeferralError()
+	hook to permit client to handle it.
+	*/
+	TInt RunError(TInt aError);
+	void DoCancel();
+
+private:
+	RDmDomain& iDomain;
+	CDmDomainKeepAlive& iOwnerActiveObject;
+
+	TBool iCeaseDeferral;
+	};
+
+#endif