--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/searcher/searchserver/src/ccpixasyncronizer.cpp	Mon Apr 19 14:40:16 2010 +0300
@@ -0,0 +1,175 @@
+/*
+* 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: 
+*
+*/
+
+#include <S32MEM.H>
+#include <e32debug.H>
+#include "CCPixAsyncronizer.h"
+
+// -----------------------------------------------------------------------------
+// CCPixAsyncronizer::NewL()
+// -----------------------------------------------------------------------------
+//
+CCPixAsyncronizer* CCPixAsyncronizer::NewL()
+    {
+    CCPixAsyncronizer* self = CCPixAsyncronizer::NewLC();
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CCPixAsyncronizer::NewLC()
+// -----------------------------------------------------------------------------
+//
+CCPixAsyncronizer* CCPixAsyncronizer::NewLC()
+    {
+    CCPixAsyncronizer* self = new (ELeave) CCPixAsyncronizer;
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CCPixAsyncronizer::~CCPixAsyncronizer()
+// -----------------------------------------------------------------------------
+//
+CCPixAsyncronizer::~CCPixAsyncronizer()
+	{
+	Cancel();
+	iMainThread.Close();
+	}
+
+// -----------------------------------------------------------------------------
+// CCPixAsyncronizer::Start()
+// -----------------------------------------------------------------------------
+//
+void CCPixAsyncronizer::Start(
+        TCPixTaskType aType,
+        MCPixAsyncronizerObserver* aObserver,
+        const RMessage2& aMessage )
+	{
+	iType = aType;
+	iMessage = aMessage;
+	iObserver = aObserver;
+	iStatus = KRequestPending;
+	SetActive();
+	}
+
+// -----------------------------------------------------------------------------
+// CCPixAsyncronizer::CancelWhenDone()
+// -----------------------------------------------------------------------------
+//
+void CCPixAsyncronizer::CancelWhenDone(const RMessage2& aMessage)
+    {
+    if (IsActive())
+        {
+        // Cancelling uncancellable task. Just wait until task completes
+        // and complete cancel request after that.
+        iCancelMessage = aMessage;
+        iCancelAllOperationPending = ETrue;
+        }
+    else
+        {
+        aMessage.Complete(KErrNone);
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CCPixAsyncronizer::CompletionCallback()
+// -----------------------------------------------------------------------------
+//
+void CCPixAsyncronizer::CompletionCallback()
+    {
+    iWaitingForCompletion = ETrue;
+
+	// CompletionCallback CAN BE and IS called from another thread, 
+    // so care should be taken what kind of actions are done in here  
+    TRequestStatus* status = &iStatus;
+	
+    if ( iStatus != KRequestPending )
+        {
+        // Cancellation already done
+        return;
+        }
+    
+    iMainThread.RequestComplete(status, KErrNone);
+    }
+
+// -----------------------------------------------------------------------------
+// CCPixAsyncronizer::RunL()
+// -----------------------------------------------------------------------------
+//
+void CCPixAsyncronizer::RunL()
+	{
+    iWaitingForCompletion = EFalse;
+
+	if ( iCancelAllOperationPending )
+	    {
+	    iCancelAllOperationPending = EFalse;
+	    iCancelMessage.Complete(KErrNone);
+	    }
+	
+	NotifyObserver( iStatus.Int() );
+	}
+
+// -----------------------------------------------------------------------------
+// CCPixAsyncronizer::DoCancel()
+// -----------------------------------------------------------------------------
+//
+void CCPixAsyncronizer::DoCancel()
+    {
+	if ( iWaitingForCompletion )
+		{
+		return;
+		}
+	
+    TRequestStatus* status = &iStatus;
+    iMainThread.RequestComplete(status, KErrCancel);
+    NotifyObserver(KErrCancel);
+    }
+
+// -----------------------------------------------------------------------------
+// CCPixAsyncronizer::NotifyObserver()
+// -----------------------------------------------------------------------------
+//
+void CCPixAsyncronizer::NotifyObserver(TInt aErrorCode)
+    {
+    if (iObserver)
+        {
+        iObserver->HandleAsyncronizerComplete(iType, aErrorCode, iMessage);
+        }
+    
+    iObserver = NULL;
+    }
+
+// -----------------------------------------------------------------------------
+// CCPixAsyncronizer::CCPixAsyncronizer()
+// -----------------------------------------------------------------------------
+//
+CCPixAsyncronizer::CCPixAsyncronizer()
+    : CActive(CActive::EPriorityHigh), iObserver(NULL)
+	{
+	CActiveScheduler::Add(this);
+	}
+
+// -----------------------------------------------------------------------------
+// CCPixAsyncronizer::ConstructL()
+// -----------------------------------------------------------------------------
+//
+void CCPixAsyncronizer::ConstructL()
+	{
+	User::LeaveIfError(iMainThread.Open(RThread().Id()));
+	}