diff -r 000000000000 -r 5752a19fdefe imaging/imagingunittest/testcodec/src/TestAsyncCodec.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imaging/imagingunittest/testcodec/src/TestAsyncCodec.cpp	Wed Aug 25 12:29:52 2010 +0300
@@ -0,0 +1,175 @@
+// Copyright (c) 2003-2009 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 "TestAsyncCodec.h"
+
+
+// CTestAsyncReadCodec
+CTestAsyncReadCodec::CTestAsyncReadCodec(CTestAsyncDecoder& aDecoder):
+	iDecoder(aDecoder)
+	{
+	}
+
+void CTestAsyncReadCodec::ConstructL ()
+	{ 
+	CImageReadCodec::ConstructL(); 
+
+	TTimeIntervalMicroSeconds32 KQuarterSecond = 250000;
+	iTimer = CUtilityTimer::NewL(KQuarterSecond, *this);
+	}
+
+CTestAsyncReadCodec* CTestAsyncReadCodec::NewL(CTestAsyncDecoder &aDecoder)
+	{
+	CTestAsyncReadCodec* self = new (ELeave) CTestAsyncReadCodec(aDecoder);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+CTestAsyncReadCodec::~CTestAsyncReadCodec()
+	{
+	delete iTimer;
+	}
+
+TFrameState CTestAsyncReadCodec::ProcessFrameL(TBufPtr8& /*aSrc*/)
+	{
+	// pause for a quarter of a second to look like we're doing somthing
+	iTimer->InitializeTimer();
+
+	return EFrameComplete;
+	}
+
+TFrameState CTestAsyncReadCodec::ProcessFrameHeaderL(TBufPtr8& /*aData*/)
+	{
+	return EFrameComplete;
+	}
+
+void CTestAsyncReadCodec::Complete()
+	{
+	iTimer->Cancel();
+	}
+
+void CTestAsyncReadCodec::InitFrameL(TFrameInfo& /*aFrameInfo*/, CFrameImageData& /*aFrameImageData*/, TBool /*aDisableErrorDiffusion*/, CFbsBitmap& /*aDestination*/, CFbsBitmap* /*aDestinationMask*/)
+	{
+	}
+
+void CTestAsyncReadCodec::TimerExpired()
+	{
+	iDecoder.ProcessFrameComplete(KErrNone);
+	}
+
+
+// CTestAsyncWriteCodec
+CTestAsyncWriteCodec::CTestAsyncWriteCodec(CTestAsyncEncoder& aEncoder):
+	iEncoder(aEncoder)
+	{
+	}
+
+void CTestAsyncWriteCodec::ConstructL ()
+	{ 
+	CImageWriteCodec::ConstructL(); 
+
+	TTimeIntervalMicroSeconds32 KQuarterSecond = 250000;
+	iTimer = CUtilityTimer::NewL(KQuarterSecond, *this);
+	}
+
+CTestAsyncWriteCodec* CTestAsyncWriteCodec::NewL(CTestAsyncEncoder &aEncoder)
+	{
+	CTestAsyncWriteCodec* self = new (ELeave) CTestAsyncWriteCodec(aEncoder);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+CTestAsyncWriteCodec::~CTestAsyncWriteCodec()
+	{
+	delete iTimer;
+	}
+
+void CTestAsyncWriteCodec::InitFrameL(TBufPtr8& aDst, const CFbsBitmap& /*aSource*/)
+	{
+	iDst = &aDst;
+	}
+
+TFrameState CTestAsyncWriteCodec::ProcessFrameL(TBufPtr8& /*aDst*/)
+	{
+	// pause for a quarter of a second to look like we're doing somthing
+	iTimer->InitializeTimer();
+
+	return EFrameComplete;
+	}
+
+
+
+void CTestAsyncWriteCodec::Complete()
+	{
+	iTimer->Cancel();
+	}
+
+
+void CTestAsyncWriteCodec::TimerExpired()
+	{
+	iEncoder.ProcessFrameComplete(KErrNone);
+	}
+
+
+// CUtilityTimer
+CUtilityTimer* CUtilityTimer::NewL(TTimeIntervalMicroSeconds32& aDelay, MTimerObserver& aObserver)
+    {
+    CUtilityTimer* self = new (ELeave) CUtilityTimer(aObserver);
+    CleanupStack::PushL(self);
+    self->ConstructL(aDelay);
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+void CUtilityTimer::ConstructL(TTimeIntervalMicroSeconds32& aDelay)
+    {
+    CTimer::ConstructL();
+
+    iDelay = aDelay;
+    CActiveScheduler::Add(this);
+    }
+
+CUtilityTimer::~CUtilityTimer()
+    {
+    Cancel();
+    }
+
+void CUtilityTimer::InitializeTimer()
+    {
+	// Request another wait - assume not active
+	CTimer::After(iDelay);
+    }
+
+void CUtilityTimer::RunL()
+    {
+	if (iStatus.Int() == KErrNone)
+		iObserver.TimerExpired();
+    }
+
+void CUtilityTimer::DoCancel()
+	{
+	}
+
+
+CUtilityTimer::CUtilityTimer(MTimerObserver& aObserver) :
+	CTimer(CActive::EPriorityUserInput),
+    iObserver(aObserver)
+	{
+    }
+