systemswstubs/startupadaptationstub/inc/CommandProcessingEngine.h
changeset 46 e1758cbb96ac
parent 0 0ce1b5ce9557
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/systemswstubs/startupadaptationstub/inc/CommandProcessingEngine.h	Mon Oct 04 00:04:35 2010 +0300
@@ -0,0 +1,126 @@
+/*
+* Copyright (c) 2004-2006 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:  CCommandProcessingEngine class declaration.
+*
+*/
+
+
+
+#ifndef __COMMANDPROCESSINGENGINE_H__
+#define __COMMANDPROCESSINGENGINE_H__
+
+//  INCLUDES
+#include <e32base.h>
+
+// FORWARD DECLARATIONS
+class MCommandProcessingObserver;
+
+// CLASS DECLARATION
+
+/**
+*  ?one_line_short_description. CCommandProcessingEngine
+*  ?other_description_lines
+*
+*  @lib ?library
+*  @since Series ?XX ?SeriesXX_version
+*/
+class CCommandProcessingEngine : public CActive
+    {
+    public:  // Constructors and destructor
+
+        /**
+        * Two-phased constructor.
+        * @param aObserver Command processing completion observer.
+        */
+        static CCommandProcessingEngine* NewL(
+            MCommandProcessingObserver& aObserver );
+
+        /**
+        * Destructor.
+        */
+        virtual ~CCommandProcessingEngine();
+
+    public: // New functions
+
+        /**
+        * Append command to queue.
+        *
+        * @param aCommandId Command ID from the client.
+        * @param aDuration Timeout value in milliseconds.
+        */
+        void ExecuteCommandL( const TInt aCommandId, const TInt aDuration );
+
+    public: // Functions from base classes
+
+        /**
+        * From CActive.
+        * Handles an active object’s request completion event.
+        */
+        void RunL();
+
+        /**
+        * From CActive.
+        * Handles a leave occurring in the request completion event handler
+        * RunL().
+        * @param aError The leave code.
+        */
+        TInt RunError( TInt aError );
+
+        /**
+        * From CActive.
+        * Implements cancellation of an outstanding request.
+        */
+        void DoCancel();
+
+    private:
+
+        /**
+        * C++ default constructor.
+        * @param aObserver Command processing completion observer.
+        */
+        CCommandProcessingEngine( MCommandProcessingObserver& aObserver );
+
+        /**
+        * By default Symbian 2nd phase constructor is private.
+        */
+        void ConstructL();
+
+        /**
+        * Set the timer and activate.
+        *
+        * @param aDuration Timeout value in milliseconds.
+        */
+        void ActivateWithTimeout( const TInt aDuration );
+
+    private:    // Data
+
+        struct TCommandInfo
+            {
+            TInt iCommandId;
+            TInt iDuration;
+            };
+
+        typedef RArray<TCommandInfo> RCommandArray;
+
+        RCommandArray iCommands; // List of commands to process.
+
+        RTimer iTimer; // A timer for emulating command processing time.
+
+        // Command processing completion observer.
+        MCommandProcessingObserver& iObserver;
+    };
+
+#endif // __COMMANDPROCESSINGENGINE_H__
+
+// End of File