--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiacceltk/hitchcock/goommonitor/src/goommonitorsession.cpp	Tue Feb 02 07:56:43 2010 +0200
@@ -0,0 +1,216 @@
+/*
+* Copyright (c) 2006 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:  Client/server interface for GOOM Monitor.
+*
+*/
+
+
+#include <coemain.h>
+#include <goommonitorsession.h>
+#include "goommonitorclientserver.h"
+#include "goompanic.h"
+#include "goomtraces.h"
+
+enum TGoomClientInternalFlags{
+    EGoonCFlagsNone,
+    EGoonCFlagsConnected = 1
+    };
+
+#define ASYNCH_NOTIFICATION_ONLY
+
+EXPORT_C TInt RGOomMonitorSession::Connect()
+    {
+    FUNC_LOG;
+    iFlags = EGoonCFlagsNone; // initialization
+    if (CreateSession(KGraphicsMemoryMonitorServerName, TVersion(0,0,0)) == KErrNone)
+        {
+        iFlags = EGoonCFlagsConnected;
+        }    
+            
+    // always return KErrNone for now        
+    return KErrNone;
+    }
+
+EXPORT_C TBool RGOomMonitorSession::IsConnected()
+    {
+    FUNC_LOG;
+    return iFlags&EGoonCFlagsConnected;
+    }
+
+EXPORT_C TInt RGOomMonitorSession::RequestFreeMemory(TInt aBytesRequested)
+    {
+    FUNC_LOG;
+    if (IsConnected())
+        {
+        TIpcArgs p(aBytesRequested,0);
+        return SendReceive(EGOomMonitorRequestFreeMemory, p);
+        }
+    return KErrNone;    
+    }
+
+EXPORT_C TInt RGOomMonitorSession::RequestOptionalRam(TInt aBytesRequested, TInt aMinimumBytesNeeded, TInt aPluginId, TInt& aBytesAvailable)
+    {
+    FUNC_LOG;
+    if (IsConnected())
+        {
+        TIpcArgs p(aBytesRequested, aMinimumBytesNeeded, aPluginId, aBytesAvailable);
+        TInt ret = SendReceive(EGOomMonitorRequestOptionalRam, p);
+        if (ret >= 0)
+            {
+            aBytesAvailable = ret;
+            ret = KErrNone;
+            }
+
+        return ret;
+        }
+    return KErrNone;
+    }    
+
+EXPORT_C void RGOomMonitorSession::RequestOptionalRam(TInt aBytesRequested, TInt aMinimumBytesNeeded, TInt aPluginId, TRequestStatus& aStatus)
+    {
+    FUNC_LOG;
+
+    if (IsConnected())
+        {
+        TIpcArgs p(aBytesRequested, aMinimumBytesNeeded, aPluginId);
+        SendReceive(EGOomMonitorRequestOptionalRam, p, aStatus);
+        }
+    else
+        {
+        TRequestStatus* sptr = &aStatus;
+        User::RequestComplete(sptr, KErrNone);
+        }    
+    }
+
+EXPORT_C void RGOomMonitorSession::RequestFreeMemory(TInt aBytesRequested, TRequestStatus& aStatus)
+    {
+    FUNC_LOG;
+
+    if (IsConnected())
+        {
+        TIpcArgs p(aBytesRequested,0);
+        SendReceive(EGOomMonitorRequestFreeMemory, p, aStatus);
+        }
+    else
+        {
+        TRequestStatus* sptr = &aStatus;
+        User::RequestComplete(sptr, KErrNone);
+        }    
+    }
+
+EXPORT_C void RGOomMonitorSession::CancelRequestFreeMemory()
+    {
+    FUNC_LOG;
+    if (IsConnected())
+        {
+        SendReceive(EGOomMonitorCancelRequestFreeMemory, TIpcArgs());
+        }
+    }
+
+EXPORT_C void RGOomMonitorSession::ThisAppIsNotExiting(TInt aWgId)
+    {
+    FUNC_LOG;
+    if (IsConnected())
+        {
+        TIpcArgs p(aWgId);
+        SendReceive(EGOomMonitorThisAppIsNotExiting, p);
+        }
+    }
+
+
+EXPORT_C void RGOomMonitorSession::SetGOomPriority(TGOomPriority aPriority)
+    {
+    FUNC_LOG;
+    if (!IsConnected())
+        {
+        return;
+        }
+
+    CCoeEnv* coeEnv = CCoeEnv::Static();
+
+    __ASSERT_DEBUG(coeEnv, GOomMonitorPanic(KNoCoeEnvFound));
+
+    if (coeEnv)
+        {
+        TInt wgId = coeEnv->RootWin().Identifier();
+        TIpcArgs p(wgId);
+        switch (aPriority)
+            {
+            case EGOomPriorityNormal:
+                SendReceive(EGOomMonitorSetPriorityNormal, p);
+                break;
+            case EGOomPriorityHigh:
+                SendReceive(EGOomMonitorSetPriorityHigh, p);
+                break;
+            case EGOomPriorityBusy:
+                SendReceive(EGOomMonitorSetPriorityBusy, p);
+                break;
+            default:
+                GOomMonitorPanic(KGOomInvalidPriority);
+                break;
+            }
+        }
+    }
+
+EXPORT_C void RGOomMonitorSession::ApplicationAboutToStart(const TUid& aAppUid)
+    {
+    FUNC_LOG;
+    if (IsConnected())
+        {
+#ifdef ASYNCH_NOTIFICATION_ONLY            
+        SendReceive(EGoomMonitorAppAboutToStart, TIpcArgs(aAppUid.iUid));
+#else
+        SendReceive(EGOomMonitorRequestFreeMemory, TIpcArgs(0,aAppUid.iUid));
+#endif
+        }
+    }
+    
+    
+EXPORT_C void RGOomMonitorSession::UsesAbsoluteMemTargets(TBool aUseAbsoluteAmount)
+    {
+    FUNC_LOG;    
+    if (IsConnected())
+        {
+        SendReceive(EGoomMonitorAppUsesAbsoluteMemTargets, TIpcArgs(aUseAbsoluteAmount));
+        }    
+    }    
+
+EXPORT_C TInt RGOomMonitorSession::Connect(TRequestStatus& aStatus)
+    {
+    FUNC_LOG;
+    iFlags = EGoonCFlagsNone; // initialization
+    
+    TInt err = CreateSession( KGraphicsMemoryMonitorServerName, 
+        TVersion( 0, 0, 0 ), 1, EIpcSession_Unsharable, 0, &aStatus ); 
+        
+    if ( err == KErrNone )    
+        {
+        iFlags = EGoonCFlagsConnected;
+        }    
+            
+    return err;
+    }
+
+EXPORT_C void RGOomMonitorSession::AppAboutToStart(TRequestStatus& aStatus, const TUid& aAppUid)
+    {
+    FUNC_LOG;
+    if (IsConnected())
+        {
+#ifdef ASYNCH_NOTIFICATION_ONLY            
+        SendReceive(EGoomMonitorAppAboutToStart, TIpcArgs(aAppUid.iUid), aStatus);
+#else
+        SendReceive(EGOomMonitorRequestFreeMemory, TIpcArgs(0,aAppUid.iUid), aStatus);
+#endif
+        }
+    }