// Copyright (c) 1995-2009 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:

 // General utility functions that don't belong anywhere else

 // 

 //

 #include "server.h"

 #include "rootwin.h"

 #include "wstop.h"

 #include "panics.h"

 GLREF_D CDebugLogBase *wsDebugLog;

 GLDEF_C RWsRegion *GetRegionFromClientL(CWsClient *aClient, TInt aCount)

 	{

 	TInt bufSize=sizeof(TRect)*aCount;

 	TUint8* rectList=STATIC_CAST(TUint8*,User::Alloc(bufSize));

 	User::LeaveIfNull(rectList);

 	CleanupStack::PushL(rectList);

 	TPtr8 rectBuf(rectList,bufSize);

 	aClient->RemoteRead(rectBuf,0);

 	RWsRegion* region=new(ELeave) RWsRegion(aCount,REINTERPRET_CAST(TRect*,rectList));

 	CleanupStack::Pop(rectList);

 	return(region);

 	}

 GLDEF_C TInt ExternalizeRegionL(RWriteStream& aWriteStream, const RWsRegion& aRegion)

 	{

 	TInt dataLen = sizeof(TRect)*aRegion.Count();

 	aWriteStream.WriteInt32L(aRegion.Count());

 	aWriteStream.WriteL(REINTERPRET_CAST(const TUint8*,aRegion.RectangleList()),dataLen);

 	aWriteStream.CommitL();

 	return sizeof(TInt32)+dataLen;

 	}

 GLDEF_C RWsRegion* InternalizeRegionL(RReadStream& aReadStream)

 	{

 	TInt numRects = aReadStream.ReadInt32L();

 	TInt bufSize = sizeof(TRect)*numRects;

 	// Allocate buffer for list of clipping rectangles. We leave if we 

 	// cannot create the buffer

 	TUint8* rectList = static_cast<TUint8*>(User::AllocL(bufSize));

 	CleanupStack::PushL(rectList);

 	// Read the list of rectangles into the buffer

 	aReadStream.ReadL(rectList,bufSize);

 	// Point member pointer to our new rectangle list buffer

 	RWsRegion* region = new(ELeave) RWsRegion(numRects,reinterpret_cast<TRect*>(rectList));

 	CleanupStack::Pop(rectList);

 	return region;

 	}

 void Panic(TWservPanic aPanic)

 	{

 	if (wsDebugLog)

 		wsDebugLog->Panic(CDebugLogBase::EDummyConnectionId,aPanic);		//Dummy value meaning WSERV

 	_LIT(KWSERVInternalPanicCategory,"WSERV-INTERNAL");

 	User::Panic(KWSERVInternalPanicCategory,aPanic);

 	}

 _LIT(KWSERVPanicDesc1,"WServ internal Panic %S, in file %S @ line %i");

 _LIT(KWSERVPanicDesc2,"Assert condition = \"%S\"");

 void PanicWithInfo(TWservPanic aPanic, const TDesC& aFileName, const TDesC& aPanicName, TInt aLine)

 	{

 	TBuf<256> buf;

 	buf.Format(KWSERVPanicDesc1, &aPanicName, &aFileName, aLine);

 	RDebug::Print(buf);

 	if (wsDebugLog)

 		{

 		wsDebugLog->MiscMessage(CDebugLogBase::ELogImportant, buf);

 		}

 	Panic(aPanic);

 	}

 void PanicWithCondAndInfo(TWservPanic aPanic, const TDesC& aCondition, const TDesC& aFileName, const TDesC& aPanicName, TInt aLine)

 	{

 	TBuf<256> buf;

 	buf.Format(KWSERVPanicDesc1, &aPanicName, &aFileName, aLine);

 	RDebug::Print(buf);

 	if (wsDebugLog)

 		{

 		wsDebugLog->MiscMessage(CDebugLogBase::ELogImportant, buf);

 		}

 	buf.Format(KWSERVPanicDesc2, &aCondition);

 	RDebug::Print(buf);

 	if (wsDebugLog)

 		{

 		wsDebugLog->MiscMessage(CDebugLogBase::ELogImportant, buf);

 		}

 	Panic(aPanic);

 	}

 GLDEF_C void StateDump()

 	{

 	CWsTop::StateDump();

 	}

 GLDEF_C void StateDump(CWsRootWindow* aRootWindow)

 	{

 	TBool enabled=wsDebugLog!=NULL;

 	if (!enabled)

 		{

 		CWsTop::EnableLogging();

 		if (!wsDebugLog)

 			return;	//	Failed to enable logging so give up

 		}

 //

 	_LIT(LogLine,"===========");

 	_LIT(KWSERVStateLogWindowTree,"Window tree");

 	TBuf<128> buf;

 	wsDebugLog->MiscMessage(CDebugLogBase::ELogImportant,LogLine);

 	wsDebugLog->MiscMessage(CDebugLogBase::ELogImportant,KWSERVStateLogWindowTree);

 	wsDebugLog->MiscMessage(CDebugLogBase::ELogImportant,LogLine);

 	CWsWindowBase *win=aRootWindow;

 	TInt inset=0;

 	_LIT(KWSERVStateInsetLevelValue,"%*p");

 	FOREVER

 		{

 		buf.Format(KWSERVStateInsetLevelValue,Min(inset<<1,20));

 		win->StatusDump(buf);

 		wsDebugLog->MiscMessage(CDebugLogBase::ELogImportant,buf);

 		if (win->BaseChild())

 			{

 			++inset;

 			win=win->BaseChild();

 			continue;

 			}

 		while(!win->NextSibling() && win!=aRootWindow)

 			{

 			win=win->BaseParent();

 			--inset;

 			}

 		if (win==aRootWindow)

 			break;		//Will break here if there is only the root window or the tree walk has returned to it

 		win=win->NextSibling();

 		}

 	wsDebugLog->MiscMessage(CDebugLogBase::ELogImportant,LogLine);

 //

 	if (!enabled)

 		CWsTop::DisableLogging();

 	}

 GLDEF_C void HeapDump()

 	{

 	TBool enabled=(wsDebugLog!=NULL);

 	if (!enabled)

 		CWsTop::EnableLogging();

 	if (wsDebugLog)	// Just in case enable failed

 		wsDebugLog->HeapDump();

 	if (!enabled)

 		CWsTop::DisableLogging();

 	}

 #if defined(_DEBUG)

 //GLREF_C void ForceLog(TInt aPriority,const TDesC &aText,TInt aParam=0);

 //ForceLog(CDebugLogBase::ELogImportant,_L("Value=%d"),345);

 //TLogMessageText buf;

 //_LIT(KLog,"Count=%d, Object=0x%x");

 //buf.Format(KLog,Count(),this);

 //ForceLog(CDebugLogBase::ELogImportant,buf);

 GLDEF_C void ForceLog(TInt aPriority,const TDesC &aText,TInt aParam=0)

 	{

 	TBool enabled=(wsDebugLog!=NULL);

 	if (!enabled)

 		CWsTop::EnableLogging();

 	if (wsDebugLog)	// Just in case enable failed

 		{

 		wsDebugLog->MiscMessage(aPriority,aText,aParam);

 		if (!enabled)

 			CWsTop::DisableLogging();

 		}

 	}

 #endif