fbs/fontandbitmapserver/sfbs/SESSION.CPP
author William Roberts <williamr@symbian.org>
Tue, 13 Jul 2010 17:02:10 +0100
changeset 113 f3c3c510a760
parent 111 29ddb8a72f0e
child 116 171fae344dd4
permissions -rw-r--r--
Re-merge fixes for bug 1362, bug 1666, bug 1863, KhronosRI and bld.inf.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#include <fbs.h>
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#include "fbsdefs.h"
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#include "UTILS.H"
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#include "FBSVER.H"
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#include "FbsRalc.h"
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#include "fbshelper.h"
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#include "FbsMessage.H"
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GLDEF_C void Panic(TFbsPanic aPanic)
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	{
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	_LIT(KFBSERVClientPanicCategory,"FBSCLI");
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	User::Panic(KFBSERVClientPanicCategory,aPanic);
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	}
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EXPORT_C TInt FbsStartup()
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	{
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	RChunk sharedchunk;
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	TInt ret = sharedchunk.OpenGlobal(KFBSERVSharedChunkName,EFalse);
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	if (ret == KErrNone)
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		{
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		sharedchunk.Close();
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		return KErrNone;
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		}
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	RProcess fbs;
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	_LIT(KFBSERVServerExe,"z:\\sys\\bin\\fbserv.exe");
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	ret = fbs.Create(KFBSERVServerExe,KNullDesC);
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	if (ret!=KErrNone)
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		return ret;
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	TRequestStatus stat;
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	fbs.Rendezvous(stat);
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	if (stat!=KRequestPending)
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		fbs.Kill(0);		// abort startup
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	else
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		fbs.Resume();	// logon OK - start the server
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	User::WaitForRequest(stat);		// wait for start or death
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	// we can't use the 'exit reason' if the server panicked as this
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	// is the panic 'reason' and may be '0' which cannot be distinguished
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	// from KErrNone
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	ret=(fbs.ExitType()==EExitPanic) ? KErrGeneral : stat.Int();
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	fbs.Close();
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	return ret;
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	}
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//
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// Fontbitmap server client side session
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//
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/** 
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@publishedAll 
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@released
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*/
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EXPORT_C RFbsSession::RFbsSession():
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	RSessionBase(),
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	iConnections(0),
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	iCallBack(),
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	iSharedChunk(),
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	iHelper(NULL),
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	iRomFileAddrCache(NULL),
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	iDecompressionBuffer(NULL),
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	iScanLineBuffer(NULL),
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	iSpare(NULL)
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	{}
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/** Creates a session with the Font and Bitmap server.
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@param aFileServer A fuly constructed file server session
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@return KErrNone, if successful; KErrNoMemory if there is not enough memory 
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to create the session; otherwise another of the system-wide error codes. 
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@publishedAll 
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@released
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*/
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EXPORT_C TInt RFbsSession::Connect(RFs& aFileServer)
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	{
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	RFbsSession* thisptr = (RFbsSession*)Dll::Tls();
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	if(thisptr)
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		{
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		thisptr->iConnections++;
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		return KErrNone;
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		}
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	TInt ret = RFbsSession::DoAlloc(thisptr);
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	if(ret!=KErrNone)
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		return ret;
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	return thisptr->DoConnect(aFileServer);
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	}
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/** Creates a session with the Font and Bitmap server.
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@return KErrNone, if successful; KErrNoMemory if there is not enough memory 
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to create the session; otherwise another of the system-wide error codes. 
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@publishedAll 
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@released
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*/
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EXPORT_C TInt RFbsSession::Connect()
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	{
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	RFbsSession* thisptr = (RFbsSession*)Dll::Tls();
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	if(thisptr)
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		{
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		thisptr->iConnections++;
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		return KErrNone;
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		}
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	TInt ret = RFbsSession::DoAlloc(thisptr);
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	if (ret!=KErrNone)
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		return ret;
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	ret = thisptr->iFileServer.Connect();
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	if(ret!=KErrNone)
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		{
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		thisptr->Disconnect();
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		return ret;
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		}
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	return thisptr->DoConnect(thisptr->iFileServer);
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	}
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/** Closes the session with the Font and Bitmap server. 
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@publishedAll 
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@released
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*/
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EXPORT_C void RFbsSession::Disconnect()
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	{
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	RFbsSession* thisptr=(RFbsSession*)Dll::Tls();
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	if(thisptr==NULL) return;
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   139
	if(thisptr->iConnections>0)
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		{
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		thisptr->iCallBack.iPtr=NULL;
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		thisptr->iCallBack.CallBack();
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		// Destructor of CFbsSessionHelper may call SendCommand to cancel an
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		// outstanding request, therefore destruction must be done before
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		// iConnections is 0 to avoid an assertion going off.
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		if(thisptr->iConnections==1)
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			{
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			delete thisptr->iHelper;
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			}
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		thisptr->iConnections--;
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		}
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	if(thisptr->iConnections==0)
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		{
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		thisptr->iSharedChunk.Close();
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		thisptr->iLargeBitmapChunk.Close();
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		// Call close on the iFileServer regardless of whether this session owns it: 
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		// if we don't own it, close will do nothing if there are still open files, 
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		// so always calling close introduces extra safety
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		thisptr->iFileServer.Close();
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		delete thisptr->iRomFileAddrCache; 
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		delete thisptr->iScanLineBuffer;
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		delete thisptr->iDecompressionBuffer;
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		thisptr->Close();
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		delete thisptr;
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		Dll::FreeTls();
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		}
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	}
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   168
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/**  Gets the current Font and Bitmap server session.
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@return  A pointer to the current session or NULL if Connect() has not been 
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called yet. 
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@publishedAll 
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@released
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*/
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EXPORT_C RFbsSession* RFbsSession::GetSession()
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    {
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	return((RFbsSession*)Dll::Tls());
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	}
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/** Triggers the most recently registered callback. This is mainly called by 
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bitmaps when their twips size changes and when any FBSERV objects are closed 
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to notify clients of a change that may affect their operation. 
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@publishedAll 
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@released
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*/
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EXPORT_C void RFbsSession::CallBack()
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    {
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	iCallBack.CallBack();
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	iCallBack.iPtr=NULL;
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	}
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void RFbsSession::SetCallBackPtr(TInt* aBitmapHandle)const
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	{
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	iCallBack.iPtr=aBitmapHandle;
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	}
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   196
	
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/** Sets the callback.
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@param aCallBack callback object to be called by CallBack(). Only one may be 
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in use at a time and subsequent calls will displace previous calls. 
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@publishedAll 
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   201
@released
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   202
*/	
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EXPORT_C void RFbsSession::SetCallBack(TCallBack aCallBack)
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    {
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	iCallBack=aCallBack;
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   206
	}
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   207
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/** Resets the callback. 
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@publishedAll 
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@released
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*/	
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EXPORT_C void RFbsSession::ResetCallBack()
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	{
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	TCallBack cb(NULL);
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	iCallBack=cb;
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	}
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   217
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/**  Returns the number of Font and Bitmap Server objects currently in 
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use by this session.
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@return The number of resources in use: bitmaps, fonts, typeface stores. 
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@publishedAll 
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@released
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*/	
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EXPORT_C TInt RFbsSession::ResourceCount()
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    {
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	return(SendCommand(EFbsMessResourceCount));
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	}
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/** Utility function for passing commands to the server.
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@param aMessage Integer code for the message to pass - see TFbsMessage.
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@param aInt0 Parameter 0 for the message.
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@param aInt1 Parameter 1 for the message.
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@param aInt2 Parameter 2 for the message.
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@param aInt3 Parameter 3 for the message.
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@return Return code from RSessionBase::SendReceive(). 
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@internalComponent
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*/
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EXPORT_C TInt RFbsSession::SendCommand(TInt aMessage,TInt aInt0,TInt aInt1,TInt aInt2,TInt aInt3) const
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   {
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	__ASSERT_ALWAYS(iConnections>0,Panic(EFbsPanicBadConnection));
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	switch(aMessage)
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		{
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	case EFbsMessShutdown:
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	case EFbsMessClose:
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		SetCallBackPtr(aMessage==EFbsMessClose ? &aInt1 : 0);
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		iCallBack.CallBack();
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	default:
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		break;
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		}
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	TInt ret = SendReceive(aMessage, TIpcArgs(aInt0,aInt1,aInt2,aInt3));
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	return(ret);
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	}
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TInt RFbsSession::SendCommand(TInt aMessage, const TIpcArgs& aArgs) const
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	{
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   256
	__ASSERT_ALWAYS(iConnections>0,Panic(EFbsPanicBadConnection));
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	return SendReceive(aMessage,aArgs);
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	}
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void RFbsSession::SendCommand(TInt aMessage, const TIpcArgs& aArgs, TRequestStatus &aStatus) const
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	{
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	__ASSERT_ALWAYS(iConnections>0,Panic(EFbsPanicBadConnection));
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	SendReceive(aMessage,aArgs,aStatus);
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	}
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   265
	
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/** Gets the current Font and Bitmap server version.
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@return The current version of the server. 
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@publishedAll 
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@released
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*/
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EXPORT_C TVersion RFbsSession::Version()
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	{
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	TVersion v(KFbsMajorVersionNumber,KFbsMinorVersionNumber,KFbsBuildVersionNumber);
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	return(v);
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	}
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/** Gets the address of first location in the global shared heap containing 
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fonts and bitmaps.
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@return Pointer to the base of the shared heap. 
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@publishedAll 
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@released
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*/	
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EXPORT_C TUint8* RFbsSession::HeapBase() const
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	{
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	return(iSharedChunk.Base());
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	}
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   287
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   288
TBool RFbsSession::LookupBitmapInROM(const TDesC& aFilename, TAny*& aAddr)
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	{
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	aAddr = iRomFileAddrCache->Lookup(aFilename);
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	if (aAddr)
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		return ETrue;
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	return EFalse;
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   	}
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   295
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TInt RFbsSession::DoAlloc(RFbsSession*& aNewSession)
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   297
	{
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	aNewSession = (RFbsSession*)User::Alloc(sizeof(RFbsSession));
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   299
	if(!aNewSession) 
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		return KErrNoMemory;
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	new(aNewSession) RFbsSession;
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   302
	aNewSession->iConnections = 1;
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   303
	TInt ret = Dll::SetTls(aNewSession);
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	if(ret!=KErrNone)
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   305
		{
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		delete aNewSession;
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		aNewSession = NULL;
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		}
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	return ret;
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	}
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   311
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   312
/**  
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Do actual connect as common to both Connect() and Connect(RFs& aFileServer). Store fully constructed
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   314
file server session to iSpare member variable
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@see Connect()
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@return KErrNone, if successful; KErrNoMemory if there is not enough memory 
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to create the session; otherwise another of the system-wide error codes. 
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@internalComponent
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*/
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   320
TInt RFbsSession::DoConnect(RFs& aFileServer)
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   321
	{
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   322
	//Allow this session to be accessed by other process to lead bitmap in server
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   323
	TInt ret = aFileServer.ShareProtected();
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   324
	if (ret!=KErrNone)
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   325
		{
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   326
		Disconnect();
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		return ret;
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   328
		}
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   329
	iRomFileAddrCache = CFbsRalCache::New(4, aFileServer);
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   330
	if (!iRomFileAddrCache)
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   331
		{
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		Disconnect();
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		return KErrNoMemory;
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   334
		}
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diff changeset
   335
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   336
	ret = CreateSession(KFBSERVGlobalThreadName,Version(),-1);
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   337
	if(ret!=KErrNone)
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   338
		{
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		Disconnect();
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   340
		return ret;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   341
		}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   342
	const TInt serverAssignedHandle = SendReceive(EFbsMessInit);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   343
	if(serverAssignedHandle <= 0)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   344
		{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   345
		Disconnect();
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   346
		return serverAssignedHandle;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   347
		}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   348
	ret = iSharedChunk.OpenGlobal(KFBSERVSharedChunkName,EFalse);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   349
	if(ret!=KErrNone) 
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
		Panic(EFbsPanicChunkError);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
	iHelper = new CFbsSessionHelper(*this);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
	if (!iHelper)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
		{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
		Disconnect();
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
		return KErrNoMemory;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
		}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
	iHelper->iServerSessionHandle = serverAssignedHandle;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
	ret = iLargeBitmapChunk.OpenGlobal(KFBSERVLargeChunkName,EFalse);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
	if(ret!=KErrNone) 
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
		Panic(EFbsPanicChunkError);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
	
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
	iSpare = (TUint32*)&aFileServer;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
	return KErrNone;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
	}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
	
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
/**  
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
Allocates the buffer for decoding compressed rom bitmaps.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
 
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
Internal use only.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
@param 	aSize Minimum size of the buffer required.  
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
		If the buffer is too small an attempt to resize it will be made.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
@return KErrNone if successful, 
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
		KErrNoMemory if the buffer was too small and could 
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
		not be expanded.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
@publishedAll 
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
@released
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
*/
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
TInt RFbsSession::AllocScanLineBuffer(TInt aSize)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
    {
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
	if (iScanLineBuffer && iScanLineBuffer->Des().MaxSize() >= aSize)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
		{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
		return KErrNone;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
		}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
	HBufC8* newBuffer = HBufC8::New(aSize);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
	if (newBuffer)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
		{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
		delete iScanLineBuffer;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
		iScanLineBuffer = newBuffer;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
		return KErrNone;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
		}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
	return KErrNoMemory;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
	}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
/**  
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
Gets a reference to the buffer currently in use for decoding
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
compressed rom bitmaps. 
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
Internal use only.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
@return  The buffer area currently in use,
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
@publishedAll 
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
@released
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
*/
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
HBufC8* RFbsSession::GetScanLineBuffer()
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
    {
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
	return iScanLineBuffer;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
	}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
/**  
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
Gets a pointer to the buffer currently in use for decoding
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
compressed mask bitmaps. 
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
Internal use only.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
@param 	aSize Minimum size of the buffer required.  
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
		If the buffer is too small an attempt to resize it will be made.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
@return  The buffer area currently in use or NULL if there is no memory.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
@internalComponent 
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
*/
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
HBufC8* RFbsSession::GetDecompressionBuffer(TInt aSize)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
	{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
	if (iDecompressionBuffer)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
		{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
		if (iDecompressionBuffer->Des().MaxSize() < aSize)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
			{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
			HBufC8* tempBuffer = iDecompressionBuffer->ReAlloc(aSize);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
			if (!tempBuffer)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
				{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
				return NULL;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
				}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
			iDecompressionBuffer = tempBuffer;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
			}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
		}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   437
	else
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   438
		{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   439
		iDecompressionBuffer = HBufC8::New(aSize);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   440
		}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   441
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   442
	return iDecompressionBuffer;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   443
	}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   444
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   445
/**  
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   446
Gets a pointer to an extra buffer for general use. 
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   447
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   448
Internal use only.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   449
@param 	aSize Minimum size of the buffer required.  
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   450
		If the buffer is too small an attempt to resize it will be made.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   451
@return  The buffer area currently in use or NULL if there is no memory.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   452
@internalComponent 
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   453
*/
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   454
HBufC8* RFbsSession::GetExtraBuffer(TInt aSize)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   455
	{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   456
	if (iHelper->iExtraBuffer)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   457
		{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   458
		if (iHelper->iExtraBuffer->Des().MaxSize() < aSize)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   459
			{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   460
			HBufC8* tempBuffer = iHelper->iExtraBuffer->ReAlloc(aSize);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   461
			if (!tempBuffer)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   462
				{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   463
				return NULL;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   464
				}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   465
			iHelper->iExtraBuffer = tempBuffer;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   466
			}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   467
		}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   468
	else
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   469
		{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   470
		iHelper->iExtraBuffer = HBufC8::New(aSize);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   471
		}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   472
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   473
	return iHelper->iExtraBuffer;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   474
	}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   475
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   476
/**
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   477
Returns a handle assigned to this session by the server upon connection.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   478
This method should be used instead of SessionHandle() when passing a session 
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   479
handle to FbServ APIs that require Session handles. 
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   480
@return A handle representing this session on the server. 
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   481
@pre The session has successfully connected to the server.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   482
 */
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   483
TInt RFbsSession::ServerSessionHandle() const
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   484
	{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   485
	__ASSERT_ALWAYS(iConnections>0,Panic(EFbsPanicBadConnection));
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   486
	return iHelper->iServerSessionHandle;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   487
	}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   488
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   489
/**
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   490
Returns the current sizes of the FBServ default heap, the heap for large bitmaps, 
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   491
and the heap for small bitmaps.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   492
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   493
Not supported in release builds.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   494
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   495
@internalComponent
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   496
@test
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   497
@param aDefaultHeapSize A reference to an integer supplied by the caller. On return from this function, contains the size of the FBServ default heap.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   498
@param aSmallBmpHeapSize A reference to an integer supplied by the caller. On return from this function, contains the size of the FBServ heap for small bitmaps
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   499
@param aBigBmpHeapSize A reference to an integer supplied by the caller. On return from this function, contains the size of the FBServ heap for large bitmaps
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   500
@return KErrNone or one of the system wide error codes in debug mode, or KErrNotSupported in release mode.
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   501
*/
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   502
#ifdef _DEBUG
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   503
EXPORT_C TInt RFbsSession::GetHeapSizes(TInt& aDefaultHeapSize, TInt& aSmallBmpHeapSize, TInt& aBigBmpHeapSize)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   504
 	{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   505
 	TPckgBuf<THeapSizes> data;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   506
 	TIpcArgs args(&data);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   507
 	TInt ret = SendReceive(EFbsMessGetHeapSizes, args);
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   508
 	if(ret == KErrNone)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   509
 		{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   510
 		aDefaultHeapSize = data().iDefault;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   511
 		aSmallBmpHeapSize = data().iSmall;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   512
 		aBigBmpHeapSize = data().iBig;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   513
 		}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   514
 	return ret;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   515
 	}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   516
#else
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   517
EXPORT_C TInt RFbsSession::GetHeapSizes(TInt&, TInt&, TInt&)
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   518
	{
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   519
	return KErrNotSupported;
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   520
	}
5d03bc08d59c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   521
#endif