/*
* 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 KErrCouldNotConnect;
}
EXPORT_C void RGOomMonitorSession::MemoryAllocationsComplete()
{
FUNC_LOG;
if (IsConnected())
{
SendReceive(EGOomMonitorMemoryAllocationsComplete);
}
}
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 KErrCouldNotConnect;
}
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);
}
}
//TODO should this be asynchronous - can be called from a goom plugin, which is called from goom - deadlock ?
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
}
}