--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/contextframework/cfw/inc/cfserver/cfasynccmdqueue.h	Tue Feb 02 10:12:00 2010 +0200
@@ -0,0 +1,122 @@
+/*
+* Copyright (c) 2008 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:  CCFAsyncCmdQueue class declaration.
+*
+*/
+
+
+#ifndef C_CFASYNCCMDQUEUE_H
+#define C_CFASYNCCMDQUEUE_H
+
+
+// SYSTEM INCLUDE FILES
+#include <e32base.h>
+
+// USER INCLUDE FILES
+
+// FORWARD DECLARATIONS
+class CCFCmd;
+class MCFContextSubscriptionListener;
+
+// DATA TYPES
+
+// CLASS DECLARATION
+
+/**
+ * Queue for commands that need to be executed asynchronously.
+ *
+ * @lib CFServer
+ * @since S60 5.0
+ */
+NONSHARABLE_CLASS( CCFAsyncCmdQueue ) : public CActive
+{
+public:
+
+    /**
+     * Symbian two phased constructors.
+     *
+     * @since S60 5.0
+     * @param None.
+     * @return CCFAsyncCmdQueue
+     */
+    static CCFAsyncCmdQueue* NewL();
+    static CCFAsyncCmdQueue* NewLC();
+
+    /**
+     * C++ destructor.
+     */
+    virtual ~CCFAsyncCmdQueue();
+
+public: // New functions
+
+    /**
+     * Adds command to the end of the asynchronous command queue.
+     * Takes the command's ownership.
+     *
+     * @since S60 5.0
+     * @param aCmd is the command to be added. Ownership is transferred.
+     * @return None.
+     */
+    void Add( CCFCmd* aCmd );
+
+    /**
+     * Adds command to the front of the asynchronous command queue making it the
+     * next one to be executed.
+     * Takes the command's ownership.
+     *
+     * @since S60 5.0
+     * @param aCmd is the command to be added. Ownership is transferred.
+     * @return None.
+     */
+    void AddFirst( CCFCmd* aCmd );
+
+private: // Functions from CActive
+
+    // @see CActive.
+    void DoCancel();
+
+    // @see CActive.
+    void RunL();
+
+    // @see CActive.
+    TInt RunError( TInt aError );
+
+private: // New functions
+
+    /**
+     * Activates the queue to execute the first command.
+     *
+     * @since S60 5.0
+     * @param None.
+     * @return None.
+     */
+    void Activate();
+
+private:
+
+    CCFAsyncCmdQueue();
+
+private: // Data
+
+    // The queue for asynchronous commands.
+    TSglQue< CCFCmd > iQueue;
+
+    // The queue iterator for asynchronous commands.
+    TSglQueIter< CCFCmd > iQueueIter;
+
+    // Current command being executed, removed from the queue.
+    CCFCmd* iCurrentCmd;
+};
+
+#endif // C_CFASYNCCMDQUEUE_H