--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/harvester/client/inc/harvesterrequestqueue.h Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,136 @@
+/*
+* Copyright (c) 2006-2007 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: Processor object for running harvester requests
+*
+*/
+
+
+#ifndef HARVESTERREQUESTQUEUE_H
+#define HARVESTERREQUESTQUEUE_H
+
+#include <e32base.h>
+
+class CHarvesterRequestActive;
+
+/**
+ * Processor object for running queued tasks.
+ *
+ * @since S60 v5.0
+ */
+class CHarvesterRequestQueue: public CActive
+ {
+public:
+
+ /**
+ * Two-phased constructor.
+ *
+ * @since S60 v5.0
+ * @return Instance of CHarvesterRequestQueue.
+ */
+ static CHarvesterRequestQueue* NewL();
+
+ /**
+ * Destructor
+ *
+ * @since S60 v5.0
+ */
+ virtual ~CHarvesterRequestQueue();
+
+ /**
+ * Activates next request if possible.
+ *
+ * @since S60 v5.0
+ */
+ void Process();
+
+ /**
+ * Adds new request to the queue.
+ *
+ * @since S60 v5.0
+ * @param aRequest Request to be added to the queue.
+ */
+ void AddRequestL( CHarvesterRequestActive* aRequest );
+
+ /**
+ * Marks request completed.
+ *
+ * @since S60 v5.0
+ */
+ void RequestComplete();
+
+ /**
+ * Force requests
+ *
+ * @since S60 v5.0
+ */
+ void ForceRequests();
+
+protected:
+ // from base class CActive
+
+ /**
+ * Handles an active object's request completion event.
+ *
+ * @since S60 v5.0
+ */
+ void RunL();
+
+ /**
+ * Implements cancellation of an outstanding request.
+ *
+ * @since S60 v5.0
+ */
+ void DoCancel();
+
+ /**
+ * Handles a leave occurring in the request completion event handler
+ * RunL().
+ *
+ * @since S60 v5.0
+ * @return Error code.
+ */
+ TInt RunError( TInt aError );
+
+private:
+
+ /**
+ * C++ default constructor
+ *
+ * @since S60 v5.0
+ * @return Instance of CHarvesterRequestQueue.
+ */
+ CHarvesterRequestQueue();
+
+ /**
+ * Symbian 2nd phase constructor can leave.
+ *
+ * @since S60 v5.0
+ */
+ void ConstructL();
+
+private:
+
+ /**
+ * Array of active objects for each pending harvester request.
+ */
+ RPointerArray <CHarvesterRequestActive> iRequests;
+
+ // number of currently active requests
+ TInt iActiveRequests;
+
+ TBool iShutdown;
+
+};
+
+#endif // HARVESTERREQUESTQUEUE_H