--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookengines/VirtualPhonebook/inc/CVPbkSimCommandStore.h	Wed Sep 01 12:29:52 2010 +0100
@@ -0,0 +1,135 @@
+/*
+* Copyright (c) 2002-2007 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:  A command store for handling lifetime of the commands
+*
+*/
+
+
+
+#ifndef CVPBKSIMCOMMANDSTORE_H
+#define CVPBKSIMCOMMANDSTORE_H
+
+//  INCLUDES
+#include <e32base.h>
+#include "MVPbkSimCommandObserver.h"
+
+// FORWARD DECLARATIONS
+class MVPbkSimCommand;
+
+// CLASS DECLARATION
+
+/**
+*  A command store for handling lifetime of the commands
+*
+*/
+class CVPbkSimCommandStore : public CBase,
+                      protected MVPbkSimCommandObserver
+    {
+    public:  // Constructors and destructor
+        
+        /**
+        * Two-phased constructor.
+        * @param aExecuteOneAtTime if this ETrue commands run one at a time.
+        *           Otherwise commands are executed immediately which means
+        *           multiple commands can run at a same time
+        * @return a new instance of this class
+        */
+        IMPORT_C static CVPbkSimCommandStore* NewL( TBool aExecuteOneAtTime );
+        
+        /**
+        * Destructor.
+        */
+        virtual ~CVPbkSimCommandStore();
+
+    public: // New functions
+        
+        /**
+        * Takes ownership of the command and executes it after that.
+        * The store supports only one active command at the time
+        * @param aCommand the command to execute
+        */
+        IMPORT_C void AddAndExecuteCommandL( MVPbkSimCommand* aCommand );
+
+        /**
+        * Cancels all commands.
+        */
+        IMPORT_C void CancelAll();
+
+        /**
+        * Cancels specified command
+        */
+        IMPORT_C void CancelCommand( MVPbkSimCommand& aCommand );
+
+        /**
+        * @return ETrue if there an executing command in the store
+        */
+        TBool Executing() const;
+
+    protected: // Functions from base classes
+
+        /**
+        * From MVPbkSimCommandObserver
+        */
+        void CommandDone( MVPbkSimCommand& aCommand );
+
+        /**
+        * From MVPbkSimCommandObserver
+        */
+        void CommandError( MVPbkSimCommand& aCommand, TInt aError );
+        
+    private:    // Construction
+
+        /**
+        * C++ constructor.
+        */
+        CVPbkSimCommandStore( TBool aExecuteOneAtTime );
+
+        /**
+        * By default Symbian 2nd phase constructor is private.
+        */
+        void ConstructL();
+
+    private:    // New functions
+        /// Runs next waiting command if none are running
+        void RunNextCommand();
+        /// Handles command completion/deletion
+        void HandleCommandComplete( MVPbkSimCommand& aCommand );
+        /// Start idle deletion of commands
+        void StartAsyncDelete();
+        /// Starts an idle object for running next command
+        void StartAsyncCommandRunner();
+        /// An idle destroyer callback function
+        static TInt IdleDestroyerCallback( TAny* aSelf );
+        /// Called from callback function to delete commands
+        void DestroyCommands();
+        /// A callback for async command execution
+        static TInt CmdRunnerCallback( TAny* aSelf );
+        /// Position or KErrNotFound
+        TInt FindCommandPosition( MVPbkSimCommand& aCommand );
+        
+    private:    // Data
+        class CCmd;
+        /// An array of commands that will be deleted
+        RPointerArray<CCmd> iCmdArray;
+        /// Own: a destroyer for commands
+        CIdle* iIdleDestroyer;
+        /// Own: for async execute
+        CIdle* iIdleCmdRunner;
+        /// ETrue if commands run one at a time
+        TBool iExecuteOneAtTime;
+    };
+
+#endif      // CVPBKSIMCOMMANDSTORE_H
+            
+// End of File