--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/searcher/searchserver/inc/ccpixasyncronizer.h	Mon Apr 19 14:40:16 2010 +0300
@@ -0,0 +1,149 @@
+/*
+* Copyright (c) 2010 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 CCPIXASYNCRONIZER_H
+#define CCPIXASYNCRONIZER_H
+
+enum TCPixTaskType
+	{
+	ECPixTaskTypeSearch = 0,
+	ECPixTaskTypeGetDocument,
+	ECPixTaskTypeAdd,
+	ECPixTaskTypeUpdate,	
+	ECPixTaskTypeDelete,
+	ECPixTaskTypeFlush,
+	ECPixTaskTypeHouseKeeping	
+	};
+
+// CLASS DECLARATION
+
+/**
+*  Observer for CCPixAsyncronizer
+*/
+class MCPixAsyncronizerObserver
+	{
+public:
+	virtual void HandleAsyncronizerComplete(TCPixTaskType aType, TInt aError, const RMessage2& aMessage) = 0;
+	};
+
+/**
+ * Asynchronizer responsible for communicating with CPix asynchronous functions
+ */
+class CCPixAsyncronizer : public CActive
+	{
+public: // Constructors and destructors
+    
+    /**
+    * NewL.
+    * Two-phased constructor.
+    * @return Pointer to created CHarvesterServer object.
+    */
+    static CCPixAsyncronizer* NewL();
+
+    /**
+    * NewLC.
+    * Two-phased constructor.
+    * @return Pointer to created CHarvesterServer object.
+    */
+    static CCPixAsyncronizer* NewLC();
+
+    /**
+    * Destructor.
+    */
+    virtual ~CCPixAsyncronizer();
+
+public: // New methods
+
+    /**
+     * Start waiting asynchronous command completion
+     * @param aType Type of CPix task
+     * @param aObserver Pointer to callback observer
+     * @param aMessage client-server message responsible for this request
+     */
+	void Start(TCPixTaskType aType, MCPixAsyncronizerObserver* aObserver, const RMessage2& aMessage);
+	
+	/**
+	 * Cancel asynchronous commands that CPix does not provice cancellation function
+     * Only way to cancel these messages is to wait until commands are completed.
+     * @param aMessage RMessage2 of client cancellation request. Must be completed
+     *                 when cancellation is done.
+    */
+	void CancelWhenDone(const RMessage2& aMessage);
+	
+	/**
+	 * Callback for CPix requests.
+	 * CompletionCallback CAN BE and IS called from another thread, 
+	 * so care should be taken what kind of actions are done in there  
+    */
+	void CompletionCallback();
+	
+protected: // From CActive
+    
+	void RunL();
+
+	void DoCancel();
+	
+private:
+    
+    /**
+     * Notify observer about
+     * @param aErrorCode Error code of request
+     */
+    void NotifyObserver(TInt aErrorCode);
+
+private: // Constructors and destructors
+
+    /**
+    * C++ default constructor.
+    */
+    CCPixAsyncronizer();
+
+    /**
+    * 2nd phase constructor.
+    */
+    void ConstructL();
+    
+private:
+    
+    // Type of currently executing task
+	TCPixTaskType iType;
+	
+	// Callback observer
+	MCPixAsyncronizerObserver* iObserver;
+	
+	// Thread where this object was created. Callback from CPiX comes from
+	// different thread and needs reference to original thread
+	RThread iMainThread;
+
+	// Original client-server message for this request
+	RMessage2 iMessage;
+
+	/**
+	 * Is CancellAll operation currently ongoing
+	 */
+	TBool iCancelAllOperationPending;
+	
+	/**
+	 * RMessage2 related to cancellation request
+	 */
+	RMessage2 iCancelMessage;
+	
+	
+	TBool iWaitingForCompletion;
+	};
+
+#endif // CCPIXASYNCRONIZER_H