commonuisupport/uikon/srvsrc/EIKSRVC.CPP
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// Copyright (c) 1997-2009 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 <e32std.h>
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#include <e32math.h>
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#include <centralrepository.h>
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#include "CoeDataStorage.h"
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#include <eiksrvc.h>
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#include <eiksvdef.h>
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#include <s32mem.h>
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#include <eikdebug.h>
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#include "eiksrvsconsts.h"
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#include "../coresrc/eikdebugprefs.h"
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const TUint KDefaultBufSize = 0x8;
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const TUid KServerUid3={0x10003A4A};
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#ifdef __WINS__
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_LIT(KEikSrvName,"eiksrvs.exe");
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#else // ! __WINS__
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_LIT(KEikSrvName,"z:\\system\\programs\\eiksrvs.exe");
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#endif
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GLDEF_C void PanicServer(TEikAppUiServPanic aPanic)
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	{
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	_LIT(KPanicCat,"EIKON-SERVER");
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	User::Panic(KPanicCat,aPanic);
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	}
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// REikAppUiSession::CExtension
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class REikAppUiSession::CExtension : public CBase
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	{
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	friend class REikAppUiSession;
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private: // but public to REikAppUiSession
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	CCoeDataStorage* iDataStorage;
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	};
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// REikAppUiSession
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/**
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Default Constructor
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@publishedPartner
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*/
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EXPORT_C REikAppUiSession::REikAppUiSession()
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: iExtension(NULL)
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	{
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	}
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/**
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Connect to the server attempting to start it if required
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@return System error code.
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*/
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EXPORT_C TInt REikAppUiSession::Connect()
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	{
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	Close();
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	TInt err=KErrNone;
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	TInt retry=KNumConnectRetries;
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	FOREVER
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		{
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		err=CreateSession(EIKAPPUI_SERVER_NAME,Version());
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		if ((--retry>0) && ((err==KErrNotFound) || (err==KErrServerTerminated)))
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			{
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			TRAP(err,StartServerL());
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			if ((err!=KErrNone) && (err!=KErrAlreadyExists))
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				{
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				break;
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				}
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			}
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		else
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			{
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			break;
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			}
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		}
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	if (err==KErrNone)
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		{
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		TRAP(err,
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				iExtension=new(ELeave) CExtension;
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				iExtension->iDataStorage=CCoeDataStorage::NewL());
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		}
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	if (err!=KErrNone)
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		{
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		Close();
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		}
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	return err;
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	}
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/**
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Closes connection with server.
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@publishedPartner
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*/
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EXPORT_C void REikAppUiSession::Close()
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	{
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	RSessionBase::Close();
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	if (iExtension!=NULL)
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		{
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		delete iExtension->iDataStorage;
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		delete iExtension;
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		iExtension=NULL;
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		}
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	}
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   116
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/**
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Creates and starts server.  Waits for success or failure.
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Doesn't leave with 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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@internalComponent
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*/
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void REikAppUiSession::StartServerL()
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	{
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	const TUidType serverUid(KNullUid,KNullUid,KServerUid3);
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	RProcess server;
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	User::LeaveIfError(server.Create(KEikSrvName,KNullDesC,serverUid));
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	TRequestStatus stat;
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	server.Rendezvous(stat);
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	if (stat!=KRequestPending)
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		server.Kill(0);         // abort startup
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	else
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		server.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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	TInt r=(server.ExitType()==EExitPanic) ? KErrGeneral : stat.Int();
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	server.Close();
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	User::LeaveIfError(r);
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	}
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/**
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@return version number.
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@publishedPartner
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*/
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EXPORT_C TVersion REikAppUiSession::Version(void) const
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	{
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	return(TVersion(1,0,0));
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	}
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/**
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Asks server to launch the Task List
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@publishedPartner
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*/
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EXPORT_C void REikAppUiSession::LaunchTaskList() const
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	{
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#if defined(_DEBUG)
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	const TInt error=
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#endif
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	SendReceive(EEikAppUiLaunchTaskList,TIpcArgs());
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	__ASSERT_DEBUG(error==KErrNone,User::Invariant());
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	}
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/**
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Asks the server to cycle through the tasks (in the list) by one in the specified direction
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@param aDirection EForwards or EBackwards
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@publishedPartner
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*/
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EXPORT_C void REikAppUiSession::CycleTasks(TTaskCycleDirection aDirection) const
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	{
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#if defined(_DEBUG)
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	const TInt error=
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#endif
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	SendReceive(EEikAppUiCycleTasks,TIpcArgs(aDirection));
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	__ASSERT_DEBUG(error==KErrNone,User::Invariant());
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	}
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/**
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Asks the server to set status pane flags as specified
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@param aFlags Status pane dependant flags.
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@publishedPartner
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*/
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EXPORT_C TInt REikAppUiSession::SetStatusPaneFlags(TInt aFlags) const
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	{
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	return SendReceive(EEikAppUiSetStatusPaneFlags,TIpcArgs(aFlags));
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	}
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/**
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Sends status pane resource layout ID to server
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@param aLayoutResId  Resource ID of status pane layout resource
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@publishedPartner
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*/
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EXPORT_C TInt REikAppUiSession::SetStatusPaneLayout(TInt aLayoutResId) const
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	{
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	return SendReceive(EEikAppUiSetStatusPaneLayout,TIpcArgs(aLayoutResId));
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	}
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/**
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Sends blank screen message to server
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@publishedPartner
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*/
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EXPORT_C TInt REikAppUiSession::BlankScreen() const
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	{
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	return SendReceive(EEikAppUiBlankScreen,TIpcArgs());
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	}
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/**
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Sends unblank screen message to server
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@publishedPartner
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*/
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EXPORT_C TInt REikAppUiSession::UnblankScreen() const
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	{
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	return SendReceive(EEikAppUiUnblankScreen,TIpcArgs());
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	}
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/**
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Retrieves error text for error code (if code is valid)
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@param aText Output parameter - error message
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@param aError Standard error code
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@param aAppUid Application UID
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@return EErrorNumValid or EErrorNumInvalid
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@see CEikonEnv::TErrorValidity
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@publishedPartner
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*/
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EXPORT_C CEikonEnv::TErrorValidity REikAppUiSession::ResolveError(TDes& aText,TInt aError,TUid aAppUid) const
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	{
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	return STATIC_CAST(CEikonEnv::TErrorValidity, SendReceive(EEikAppUiResolveError,TIpcArgs(&aText,aError,aAppUid.iUid)));
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	}
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/**
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Retrieves error text, title text, error resource ID and resource flags for the given error code (if code is valid)
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@param aErrorText Output parameter - Error Text.
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@param aError Standard Error Code
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@param aFlags Output parameter - Error Resource Flag.
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@param aTextId Output parameter - Error Text Resource Id.
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@param aTitleText Output parameter - Error Title Text.
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@return EErrorNumValid or EErrorNumInvalid
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@see CEikonEnv::TErrorValidity
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@released
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*/
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EXPORT_C CEikonEnv::TErrorValidity REikAppUiSession::ResolveErrorWithTitleL(TDes& aErrorText, TInt aError, TInt& aTextId, TUint& aFlags, TDes& aTitleText, TBool aIsMemoryAllocatedByErrResolver) const
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	{
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	TErrorFlagAndId errInfo;
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	TPckg<TErrorFlagAndId> package(errInfo);
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	errInfo.iIsMemoryAllocatedByErrResolver = aIsMemoryAllocatedByErrResolver;
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	errInfo.iTextId = 0;
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	errInfo.iFlags = 0;
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	TInt errValidity = User::LeaveIfError(SendReceive(EEikAppUiResolveErrorWithTitleText, TIpcArgs(&aErrorText, aError, &package, &aTitleText)));
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	aTextId = errInfo.iTextId;
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	aFlags = errInfo.iFlags;
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	return STATIC_CAST(CEikonEnv::TErrorValidity, errValidity);
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	}
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/**
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Retrieves pointer descriptor of specified extension.
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@param aExtensionUid 
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@publishedPartner
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@see MEikServAppUiSessionHandler::Extension(TUid aExtensionUid,const TDesC8& aBuffer,RMessagePtr2 aMessage)
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*/
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EXPORT_C void REikAppUiSession::Extension(TUid aExtensionUid,const TDesC8& aBuffer,TRequestStatus& aRequestStatus) const
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	{
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	SendReceive(EEikAppUiExtension, TIpcArgs(aExtensionUid.iUid,&aBuffer), aRequestStatus);
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	}
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/** Gets the identifier of the currently installed FEP. 
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@param aFepId On return, contains the identifier of the FEP currently installed.
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@return KErrNone if successful, otherwise another of the system-wide error codes.
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@deprecated
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*/
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EXPORT_C TInt REikAppUiSession::GetInstalledFepName(TDes& aFepId) const
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	{
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	TRAPD(error, iExtension->iDataStorage->GetInstalledFepIdL(aFepId));
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	return error;
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	}
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/** Sets the identifier of the installed FEP.
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@param aFepId The identifier of the installed FEP.
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@param aRaiseFileError No longer used.
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@capability WriteDeviceData
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@return KErrNone if successful, otherwise another of the system-wide error codes.
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@deprecated Use CCoeEnv::InstallFepL instead.
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*/
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EXPORT_C TInt REikAppUiSession::SetInstalledFepName(const TDesC& aFepId, TBool aRaiseFileError) const
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	{
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	(void)aRaiseFileError;
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	TRAPD(error, iExtension->iDataStorage->SetInstalledFepIdL(aFepId));
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	return error;
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	}
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/** Gets the system colour list, which is a palette of standard colours used by the system.
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The function returns NULL if no such data exists.
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@return Pointer to the system colour list. 
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*/
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EXPORT_C CColorList* REikAppUiSession::GetSystemColorsL() const
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	{
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	return iExtension->iDataStorage->GetSystemColorListL();	
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	}
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/** Sets the system colour list with the list specified.
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If no system colour list exists, one is created.
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@param aColorList The new colour list.
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*/
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EXPORT_C void REikAppUiSession::SetSystemColorsL(const CColorList& aColorList) const
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	{
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	iExtension->iDataStorage->SetSystemColorListL(aColorList);
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	}
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/** No longer needs to do anything.
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@return KErrNone.
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*/
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EXPORT_C TInt REikAppUiSession::OpenFepAttributes() const
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	{
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	return KErrNone;
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	}
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/** Gets the FEP's attributes for the given UID.
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@param aAttribUid The attribute UID for which the attribute data has to be queried for.
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@param aAttribData On return contains the attribute data.
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@return KErrNone if successful, otherwise another of the system-wide error codes.
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*/
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EXPORT_C TInt REikAppUiSession::GetFepAttribute(TUid aAttribUid, TDes8& aAttribData) const
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	{
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	TRAPD(error, iExtension->iDataStorage->GetFepAttributeL(aAttribUid, aAttribData));
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   341
	return error;
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   342
	}
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parents:
diff changeset
   343
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   344
/** Sets the attribute data for the specified UID.
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   345
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   346
If no attribute is associated with the specified UID, then a new attribute is created.
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   347
If an attribute is currently associated with the specified UID, then this existing
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   348
attribute is replaced with the new attribute.
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diff changeset
   349
  
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   350
@param aAttribUid The attribute UID of the new attribute data.
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   351
@param aAttribData Attribute data to add.
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diff changeset
   352
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   353
@return KErrNone if successful, otherwise another of the system-wide error codes.
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   354
*/
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diff changeset
   355
EXPORT_C TInt REikAppUiSession::SetFepAttribute(TUid aAttribUid, const TDesC8& aAttribData) const
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parents:
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   356
	{
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parents:
diff changeset
   357
	TRAPD(error, iExtension->iDataStorage->SetFepAttributeL(aAttribUid, aAttribData));
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parents:
diff changeset
   358
	return error;
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parents:
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   359
	}
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parents:
diff changeset
   360
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parents:
diff changeset
   361
/** No longer needs to do anything.
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diff changeset
   362
@return KErrNone.
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parents:
diff changeset
   363
*/
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
EXPORT_C TInt REikAppUiSession::CommitFepAttributes() const
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
	{
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   366
	return KErrNone;
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parents:
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   367
	}
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parents:
diff changeset
   368
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diff changeset
   369
/** No longer needs to do anything.
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   370
*/
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   371
EXPORT_C void REikAppUiSession::CloseFepAttributes() const
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   372
	{
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   373
	}
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parents:
diff changeset
   374
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   375
/** Enables activation of the task list if successful.
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diff changeset
   376
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   377
@return KErrNone if successful, otherwise another of the system-wide error codes.
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diff changeset
   378
*/
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diff changeset
   379
EXPORT_C TInt REikAppUiSession::EnableTaskList() const
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parents:
diff changeset
   380
	{
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   381
	return SendReceive(EEikAppUiEnableTaskList);
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diff changeset
   382
	}
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parents:
diff changeset
   383
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diff changeset
   384
/** Reserved for future use */
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diff changeset
   385
EXPORT_C void REikAppUiSession::REikAppUiSession_Reserved1()
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parents:
diff changeset
   386
	{
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parents:
diff changeset
   387
	}
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parents:
diff changeset
   388
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diff changeset
   389
/** Reserved for future use */
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parents:
diff changeset
   390
EXPORT_C void REikAppUiSession::REikAppUiSession_Reserved2()
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parents:
diff changeset
   391
	{
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parents:
diff changeset
   392
	}
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parents:
diff changeset
   393
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parents:
diff changeset
   394
/** Gets the debug preferences object 
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diff changeset
   395
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parents:
diff changeset
   396
@internalComponent
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parents:
diff changeset
   397
@return pointer to the debug preferences object and transfers ownership to the caller.
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parents:
diff changeset
   398
*/
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parents:
diff changeset
   399
EXPORT_C CEikDebugPreferences* REikAppUiSession::GetDebugPreferencesL() const
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parents:
diff changeset
   400
	{
2f259fa3e83a Revision: 201003
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parents:
diff changeset
   401
	CBufFlat* buffer = CBufFlat::NewL(KDefaultBufSize); // allocate buffer with a default size that should be large enough in most cases
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parents:
diff changeset
   402
	CleanupStack::PushL(buffer);
2f259fa3e83a Revision: 201003
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parents:
diff changeset
   403
	buffer->ExpandL(0,KDefaultBufSize);
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
	TPtr8 bufPtr = buffer->Ptr(0);
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
	const TInt sizeRequired = User::LeaveIfError(SendReceive(EEikAppUiGetDebugPreferences,TIpcArgs(buffer->Size(),&bufPtr)));
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parents:
diff changeset
   406
	if (sizeRequired > 0)
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
		{
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
		CleanupStack::PopAndDestroy(buffer);
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
		buffer = CBufFlat::NewL(sizeRequired);
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
		CleanupStack::PushL(buffer);
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
		buffer->ExpandL(0,sizeRequired);
2f259fa3e83a Revision: 201003
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parents:
diff changeset
   412
		bufPtr.Set(buffer->Ptr(0));
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
#if defined(_DEBUG)
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
		const TInt check = 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
#endif
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
		User::LeaveIfError(SendReceive(EEikAppUiGetDebugPreferences,TIpcArgs(0,&bufPtr)));
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
		__ASSERT_DEBUG(check == 0, User::Invariant());
2f259fa3e83a Revision: 201003
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parents:
diff changeset
   418
		}
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
	CEikDebugPreferences* debugPreferences = CEikDebugPreferences::NewLC();
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
	RBufReadStream readStream(*buffer);
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
	CleanupClosePushL(readStream);
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
	readStream >> *debugPreferences;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
	CleanupStack::PopAndDestroy(); //readStream
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
	CleanupStack::Pop(); //debugPreferences
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
	CleanupStack::PopAndDestroy(); //buffer
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
	return debugPreferences;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
	}
2f259fa3e83a Revision: 201003
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parents:
diff changeset
   428
	
2f259fa3e83a Revision: 201003
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parents:
diff changeset
   429