--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiacceltk/hitchcock/AlfRenderStage/src/alfasynchgoomsession.cpp	Tue Feb 02 07:56:43 2010 +0200
@@ -0,0 +1,162 @@
+/*
+* Copyright (c) 2008 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:   alfasynchgoomsession provides asynchronous 
+*                connection to graphics out of memory monitor.
+*
+*/
+
+
+#include "alfasynchgoomsession.h"
+#include "alflogger.h"
+
+// Granularity for pending uids array
+const TInt KAlfPendingUidsGranularity = 2;
+
+// Granularity for running apps array
+const TInt KAlfRunningAppsGranularity = 8;
+
+// ---------------------------------------------------------------------------
+// CAlfAsynchGoomSession::CAlfAsynchGoomSession
+// ---------------------------------------------------------------------------
+//
+CAlfAsynchGoomSession::CAlfAsynchGoomSession() 
+    : CActive( EPriorityHigh ),
+      iPendingUids( KAlfPendingUidsGranularity ),
+      iRunningAppsList( KAlfRunningAppsGranularity )
+    {
+    __ALFLOGSTRING("CAlfAsynchGoomSession::CAlfAsynchGoomSession");        
+    CActiveScheduler::Add(this);
+    }
+    
+// ---------------------------------------------------------------------------
+// CAlfAsynchGoomSession::~CAlfAsynchGoomSession
+// ---------------------------------------------------------------------------
+//
+CAlfAsynchGoomSession::~CAlfAsynchGoomSession()
+    {
+    __ALFLOGSTRING("CAlfAsynchGoomSession::~CAlfAsynchGoomSession");
+    Cancel();
+
+    iGoomSession.Close();
+    
+    iPendingUids.Close();
+    iRunningAppsList.Close();
+    }
+
+// ---------------------------------------------------------------------------
+// CAlfAsynchGoomSession::AppAboutToStart
+// ---------------------------------------------------------------------------
+//
+void CAlfAsynchGoomSession::AppAboutToStart( const TUid& aAppUid )
+    {
+    if ( iRunningAppsList.Find( aAppUid.iUid ) != KErrNotFound ) 
+        {
+        // Application already running - ingored.
+        return;
+        }
+    iRunningAppsList.Append( aAppUid.iUid );
+    
+    if ( IsActive() )
+        {
+        __ALFLOGSTRING1("CAlfAsynchGoomSession::AppAboutToStart queue %x", aAppUid.iUid);
+        iPendingUids.Append( aAppUid );
+        return;
+        }
+        
+    if ( !iConnected )
+        {
+        Start();
+        }
+    else
+        {
+        __ALFLOGSTRING1("CAlfAsynchGoomSession::AppAboutToStart %x", aAppUid.iUid);
+        iGoomSession.AppAboutToStart( iStatus, aAppUid );
+        SetActive();
+        }        
+    }
+
+// ---------------------------------------------------------------------------
+// CAlfAsynchGoomSession::AppClosed
+// ---------------------------------------------------------------------------
+//
+void CAlfAsynchGoomSession::AppClosed( const TUid& aAppUid )
+    {
+    TInt index = iRunningAppsList.Find( aAppUid.iUid );
+    if ( index != KErrNotFound )
+        {
+        iRunningAppsList.Remove( index );
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CAlfAsynchGoomSession::Start
+// ---------------------------------------------------------------------------
+//
+void CAlfAsynchGoomSession::Start()
+    {
+    if ( iConnecting )
+        {
+        return;
+        }
+        
+    TInt err = iGoomSession.Connect( iStatus );        
+    
+    __ALFLOGSTRING1("CAlfAsynchGoomSession::Start Connect %d", err);
+    
+    if ( err == KErrNone )
+        {
+        SetActive();
+        iConnecting = ETrue;
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CAlfAsynchGoomSession::RunL
+// ---------------------------------------------------------------------------
+//
+void CAlfAsynchGoomSession::RunL()
+    {       
+    if ( iConnecting )
+        {        
+        iConnected = ( iStatus.Int() == KErrNone );
+        iConnecting = EFalse;
+
+        __ALFLOGSTRING1("CAlfAsynchGoomSession::RunL Connected %d", iConnected);
+    
+        if ( !iConnected )
+            {
+            iGoomSession.Close();
+            }
+        }
+    
+    if ( iConnected && iPendingUids.Count() )
+        {
+        TUid uid = iPendingUids[0];
+        iPendingUids.Remove(0);
+        
+        __ALFLOGSTRING1("CAlfAsynchGoomSession::RunL %x", uid.iUid);
+
+        iGoomSession.AppAboutToStart( iStatus, uid );
+        SetActive();
+        }
+    }
+    
+// ---------------------------------------------------------------------------
+// CAlfAsynchGoomSession::DoCancel
+// ---------------------------------------------------------------------------
+//
+void CAlfAsynchGoomSession::DoCancel()
+    {
+    // There is not much we can do.
+    }