--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ImagePrint/ImagePrintEngine/ImagePrintServer/inc/cdiscoveryguard.h Thu Dec 17 08:45:53 2009 +0200
@@ -0,0 +1,77 @@
+/*
+* Copyright (c) 2004-2007 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:
+*
+*/
+
+
+#ifndef CDISCOVERYGUARD_H
+#define CDISCOVERYGUARD_H
+
+#include <e32base.h>
+
+class RImagePrintClient;
+class MPrinterDiscoveryObserver;
+class TDiscoveryGuardData;
+
+class CDiscoveryGuard : public CActive
+ {
+ public:
+
+ /**
+ * 2-phase constructor
+ *
+ * @param aClient client for communication with server process
+ * @return new object
+ */
+ IMPORT_C static CDiscoveryGuard* NewL( RImagePrintClient& aClient );
+
+ /**
+ * Destructor
+ */
+ IMPORT_C ~CDiscoveryGuard();
+
+ public:
+
+ /**
+ * Start printer discovery (and watching for discovery events)
+ * for one or several protocols
+ *
+ * @param aObserver observer for notifications about discovery events
+ * @param aProtocols OR:ed protocol ids
+ * @return error code
+ */
+ IMPORT_C TInt Guard( MPrinterDiscoveryObserver& aObserver, TUint aProtocols );
+
+ private:
+
+ CDiscoveryGuard( RImagePrintClient& aClient );
+ void ConstructL();
+
+ private: // from CActive
+
+ void RunL();
+ void DoCancel();
+
+ private: // data
+
+ RImagePrintClient& iClient;
+ MPrinterDiscoveryObserver* iObserver;
+ TDiscoveryGuardData* iData;
+ };
+
+
+#endif // CDISCOVERYGUARD_H
+
+// End of File