--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/windowing/windowserverplugins/openwfc/src/rsdisplaychangeao.cpp	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,135 @@
+// Copyright (c) 2008-2009 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 "rsdisplaychangeao.h"
+#include "displaypolicy.h"
+
+CRsDisplayChangeNotifier::CRsDisplayChangeNotifier(MWsDisplayControl* aNextLevelInterface, CDisplayPolicy* aDisplayPolicy)
+:CActive(EPriorityHigh),iWsStatus(NULL)
+	{
+	CActiveScheduler::Add(this);
+	iNextLevelInterface = aNextLevelInterface;
+	iDisplayPolicy = aDisplayPolicy;
+	}
+
+CRsDisplayChangeNotifier* CRsDisplayChangeNotifier::NewL(MWsDisplayControl* aNextLevelInterface, CDisplayPolicy* aDisplayPolicy)
+	{
+	CRsDisplayChangeNotifier* self = new(ELeave) CRsDisplayChangeNotifier(aNextLevelInterface, aDisplayPolicy);
+	return self;
+	}
+
+void CRsDisplayChangeNotifier::IssueNotificationRequest()
+	{
+	iNextLevelInterface->NotifyOnDisplayChange(iStatus);
+	SetActive();
+	}
+void CRsDisplayChangeNotifier::RegisterActiveStatus(TRequestStatus &aStatus)
+	{
+	iWsStatus = &aStatus;
+	}
+
+void CRsDisplayChangeNotifier::CancelNotificationRequest()
+	{
+	Cancel();
+	}
+
+void CRsDisplayChangeNotifier::RunL()
+	{
+	//IssueNotificationRequest will overwrite iStatus, save a copy first;
+	TInt result = iStatus.Int();
+	IssueNotificationRequest();
+	
+	//calculate min UI buffer size depending on physical resolutions
+	TInt ret = iNextLevelInterface->NumberOfResolutions();
+	RArray<MDisplayControlBase::TResolution> resolutions;
+	CleanupClosePushL(resolutions);
+	if(ret > 0)
+		{
+		//just ignore the error. if there's an error, an empty resolution list is passed in, and uibuffer
+		//will remain the previous size
+		iNextLevelInterface->GetResolutions(resolutions);
+		}
+	iDisplayPolicy->CalculateMinBufferSize(resolutions, ret);				
+	CleanupStack::PopAndDestroy(&resolutions);
+	
+	if(iWsStatus && *iWsStatus == KRequestPending)
+		{
+		User::RequestComplete(iWsStatus, result);
+		}
+	}
+
+void CRsDisplayChangeNotifier::DoCancel()
+	{
+	iNextLevelInterface->NotifyOnDisplayChangeCancel();
+	if(iWsStatus && *iWsStatus == KRequestPending)
+		User::RequestComplete(iWsStatus, KErrCancel);
+	}
+
+CRsDisplayChangeNotifier::~CRsDisplayChangeNotifier()
+	{
+	Cancel();
+	}
+
+CRsConfigChangeNotifier::CRsConfigChangeNotifier(MWsDisplayControl* aNextLevelInterface)
+:CActive(EPriorityHigh), iWsStatus(NULL)
+	{
+	CActiveScheduler::Add(this);
+	iNextLevelInterface = aNextLevelInterface;
+	}
+
+CRsConfigChangeNotifier* CRsConfigChangeNotifier::NewL(MWsDisplayControl* aNextLevelInterface)
+	{
+	CRsConfigChangeNotifier* self = new(ELeave) CRsConfigChangeNotifier(aNextLevelInterface);
+	return self;
+	}
+
+void CRsConfigChangeNotifier::IssueNotificationRequest()
+	{
+	iNextLevelInterface->NotifyOnConfigChange(iStatus);
+	SetActive();
+	}
+
+void CRsConfigChangeNotifier::RegisterActiveStatus(TRequestStatus &aStatus)
+	{
+	iWsStatus = &aStatus;
+	}
+
+void CRsConfigChangeNotifier::CancelNotificationRequest()
+	{
+	Cancel();
+	}
+
+void CRsConfigChangeNotifier::RunL()
+	{
+	//IssueNotificationRequest will overwrite iStatus, save a copy first;
+	TInt result = iStatus.Int();
+	IssueNotificationRequest();
+	if(iWsStatus && *iWsStatus == KRequestPending)
+		{
+		User::RequestComplete(iWsStatus, result);
+		}
+	}
+
+void CRsConfigChangeNotifier::DoCancel()
+	{
+	iNextLevelInterface->NotifyOnConfigChangeCancel();
+	if(iWsStatus && *iWsStatus == KRequestPending)
+		User::RequestComplete(iWsStatus, KErrCancel);
+	}
+
+CRsConfigChangeNotifier::~CRsConfigChangeNotifier()
+	{
+	Cancel();
+	}