// Copyright (c) 2001-2009 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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// Implements the functionality required to provide clients with+
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// signal strength information.+
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// +
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//+
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+
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/**+
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 @file+
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*/+
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+
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#include <testconfigfileparser.h>+
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#include "CSimSignalStrength.h"+
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#include "CSimPhone.h"+
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#include "Simlog.h"+
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#include "simtsyglobalproperties.h"+
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+
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const TInt KSignalStrengthGranularity=5;		// < Granularity for signal strength list array+
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+
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CSimSignalStrength* CSimSignalStrength::NewL(CSimPhone* aPhone)+
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/**+
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 * Standard two-phase constructor.+
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 * @param aPhone				The parent phone object.+
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 * @return CSimSignalStrength	The new signal strength class.+
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 */+
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	{+
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	CSimSignalStrength* self=new(ELeave) CSimSignalStrength(aPhone);+
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	CleanupStack::PushL(self);+
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	self->ConstructL();+
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	CleanupStack::Pop();+
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	return self;+
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	}+
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+
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CSimSignalStrength::CSimSignalStrength(CSimPhone* aPhone)+
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		: iPhone(aPhone)+
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/**+
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 * Trivial first phase construction.+
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 * @param aPhone				The parent phone object.+
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 */+
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	{+
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	}+
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+
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void CSimSignalStrength::ConstructL()+
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/**+
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 * Second phase construction.  Create instances of the necessary heap-based+
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 * objects and read in the signal strength information from the configuration file.+
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 * Finally, if any signal strength tags have been read, the initial values+
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 * will be loaded and the timer started.+
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 *+
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 * Entries in the configuration file will take the following format:+
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 * "SignalStrengthLevel= <duration>, <dB Level>, <Bar Level>"+
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 * A number of these entries may be included to create a signal strength profile+
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 * for the duration of the test.+
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 */+
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	{+
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	iTimer=CSimTimer::NewL(iPhone);+
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	iSignalStrengthInfo=new(ELeave) CArrayFixFlat<TSignalStrengthInfo>(KSignalStrengthGranularity);+
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+
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	LOGSS1("Starting to parse Signal Strength config parameters...");+
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	+
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	const CTestConfigItem* item=NULL;+
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	TInt ret=KErrNone;+
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	item=CfgFile()->Item(KSSNotifyCap);+
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+
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	if (item != NULL)+
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		{+
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		TInt notifyCap;+
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		ret = CTestConfig::GetElement(item->Value(),KStdDelimiter,0,notifyCap);+
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		if(ret != KErrNone)+
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			{+
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			iNotifyCapability = 0;+
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			}+
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		else+
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			{+
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			iNotifyCapability = notifyCap;+
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			}+
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		}+
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	else+
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		{+
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		iNotifyCapability = 0;+
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		}+
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		+
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	TInt count=CfgFile()->ItemCount(KSSLevel);+
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+
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	TInt i;+
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	for(i=0;i<count;i++)+
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		{+
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		item=CfgFile()->Item(KSSLevel,i);+
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		if(!item)+
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			break;+
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+
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		TInt duration,ss,ssb,err;+
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		ret=CTestConfig::GetElement(item->Value(),KStdDelimiter,0,duration);+
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		if(ret!=KErrNone)+
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			{+
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			LOGPARSERR("duration",ret,0,&KSSLevel);+
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			continue;+
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			}+
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		ret=CTestConfig::GetElement(item->Value(),KStdDelimiter,1,ss);+
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		if(ret!=KErrNone)+
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			{+
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			LOGPARSERR("ss",ret,1,&KSSLevel);+
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			continue;+
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			}+
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		ret=CTestConfig::GetElement(item->Value(),KStdDelimiter,2,ssb);+
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		if(ret!=KErrNone)+
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			{+
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			LOGPARSERR("ssb",ret,2,&KSSLevel);+
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			continue;+
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			}+
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		ret=CTestConfig::GetElement(item->Value(),KStdDelimiter,3,err);+
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		if (ret == KErrNotFound)+
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			{+
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			err = KErrNone;+
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			}+
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		else+
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			{+
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			LOGPARSERRANGE("ssb",ret,3,&KSSLevel,"0 or -1");+
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			}+
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+
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		TSignalStrengthInfo ssInfo;+
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		ssInfo.iDuration=duration;+
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		ssInfo.iLevel=ss;+
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		ssInfo.iBar=(TInt8)ssb;+
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		ssInfo.iErr = err;+
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		iSignalStrengthInfo->AppendL(ssInfo);+
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		}+
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	+
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	LOGSS1("...Finished parsing Signal Strength config parameters...");+
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+
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	if(iSignalStrengthInfo->Count()!=0)+
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		{+
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		iSSIndex=0;+
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		iCurrentLevel=iSignalStrengthInfo->At(0).iLevel;+
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		iCurrentBar=iSignalStrengthInfo->At(0).iBar;+
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		iCurrentError = iSignalStrengthInfo->At(0).iErr;+
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		iTimer->Start(iSignalStrengthInfo->At(0).iDuration,this);+
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		}+
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	//still have to listen on deprecated P&S uids+
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	iSignalStrengthChange = CSimPubSubChange::NewL(this, CSimPubSub::TPubSubProperty(KUidSimtsyCategoryLocal, KSimtsySignalStrengthChange, KSimtsySignalStrengthChangeType));+
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	iPSSignalStrengthChange = CSimPubSubChange::NewL(this, CSimPubSub::TPubSubProperty(KUidPSSimTsyCategory, KPSSimTsySignalStrengthChange, KPSSimTsySignalStrengthChangeKeyType));+
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	}+
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+
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CSimSignalStrength::~CSimSignalStrength()+
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/**+
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 * Standard destructor.  Destroy the heap-based object owned by this object.+
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 */+
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	{+
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	delete iTimer;+
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	delete iSignalStrengthInfo;+
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	delete iSignalStrengthChange;+
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	delete iPSSignalStrengthChange;+
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	}+
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+
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TInt CSimSignalStrength::GetSignalCaps(TTsyReqHandle aReqHandle,TDes8* aPckg1)+
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/**+
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 * Retrieve signal strength capability information.  This function completes the+
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 * client's request synchronously.  If the configuration file contains any signal+
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 * strength profile information, then it indicates support for signal strength+
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 * requests, otherwise it does not.+
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 *+
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 * @param aReqHandle	The request handle associated with this request.+
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 * @param aPckg1		The first parameter package.  This will be populated with the+
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 *						capability data to be returned.+
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 * @return TInt			Standard error value.+
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 */+
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	{+
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	TPckg<TUint32>* signalCapsPckg=(TPckg<TUint32>*)aPckg1;+
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	TUint32& signalCaps=(*signalCapsPckg)();+
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+
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	if (iNotifyCapability != 0)+
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		{+
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		signalCaps= RMobilePhone::KCapsGetSignalStrength |+
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					RMobilePhone::KCapsNotifySignalStrengthChange;+
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		}+
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	else if(iSignalStrengthInfo->Count()==0)+
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		{+
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		signalCaps=0;+
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		}+
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	else if((iSignalStrengthInfo->Count()-1)<=iSSIndex)+
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		{+
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		signalCaps= RMobilePhone::KCapsGetSignalStrength;+
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		}+
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	else+
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		{+
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		signalCaps= RMobilePhone::KCapsGetSignalStrength |+
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					RMobilePhone::KCapsNotifySignalStrengthChange;+
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		}+
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+
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	iPhone->ReqCompleted(aReqHandle,KErrNone);+
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	return KErrNone;+
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	}+
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+
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TInt CSimSignalStrength::GetSignalStrength(TTsyReqHandle aReqHandle,TDes8* aPckg1, TDes8* aPckg2)+
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/**+
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 * Return the current signal strength information.  This function completes synchronously.+
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 * If the configuration file contains any signal strength profile information, the+
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 * request completes successfully, otherwise it completes with KErrNotSupported.+
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 *+
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 * @param aReqHandle	The request handle associated with this request.+
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 * @param aPckg1		The first parameter package.  This is populated with the signal+
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 *						strength dB level.+
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 * @param aPckg2		The second parameter package.  This is populated with the signal+
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 *						strength bar level.+
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 * @return TInt			Standard error value.+
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 */+
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	{+
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	LOGSS1(">>CSimSignalStrength::GetSignalStrength");+
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	TPckg<TInt32>* ssPckg=(TPckg<TInt32>*)aPckg1;+
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	TInt32& ss=(*ssPckg)();+
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	TPckg<TInt8>* ssbPckg=(TPckg<TInt8>*)aPckg2;+
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	TInt8& ssb=(*ssbPckg)();+
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+
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	if(iSignalStrengthInfo->Count()==0 && iNotifyCapability == 0)+
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		{+
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		iPhone->ReqCompleted(aReqHandle,KErrNotSupported);+
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		return KErrNone;+
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		}+
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+
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	ss=iCurrentLevel;+
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	ssb=iCurrentBar;+
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	LOGSS3("<<CSimSignalStrength::GetSignalStrength with level=%d dB and bar=%d",iCurrentLevel,iCurrentBar);+
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	iPhone->ReqCompleted(aReqHandle,iCurrentError);+
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	return KErrNone;+
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	}+
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+
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TInt CSimSignalStrength::NotifySignalStrengthChange(TTsyReqHandle aReqHandle,TDes8* aPckg1, TDes8* aPckg2)+
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/**+
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 * Register a client's interest in being notified when the signal strength changes.+
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 * This function records the request's parameters and awaits a change in signal+
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 * strength before completing.+
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 *+
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 * @param aPckg1		The first parameter package.  This is populated with the signal+
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 *						strength dB level.+
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 * @param aPckg2		The second parameter package.  This is populated with the signal+
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 *						strength bar level.+
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 * @return TInt			Standard error value.+
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 */+
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	{+
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	LOGSS1(">>CSimSignalStrength::NotifySignalStrengthChange");+
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	TPckg<TInt32>* ssPckg=(TPckg<TInt32>*)aPckg1;+
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	TInt32& ss=(*ssPckg)();+
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	TPckg<TInt8>* ssbPckg=(TPckg<TInt8>*)aPckg2;+
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	TInt8& ssb=(*ssbPckg)();+
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+
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	if(iSignalStrengthInfo->Count()==0 && iNotifyCapability == 0)+
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		{+
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		iPhone->ReqCompleted(aReqHandle,KErrNotSupported);+
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		return KErrNone;+
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		}+
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+
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	__ASSERT_ALWAYS(!iSSChangeNotificationPending,SimPanic(ENotificationReqAlreadyOutstanding));+
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	iSSChangeNotificationPending=ETrue;+
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	iSSChangeNotificationReqHandle=aReqHandle;+
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	iSSChangeNotificationSSLevel=&ss;+
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	iSSChangeNotificationSSBarLevel=&ssb;+
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	return KErrNone;+
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	}+
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+
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void CSimSignalStrength::NotifySignalStrengthChangeCancel()+
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/**+
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 * Cancel a previous request to be notified of a change in signal strength.+
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 */+
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	{+
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	if(iSSChangeNotificationPending)+
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		{+
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		LOGSS1("CSimSignalStrength::NotifySignalStrengthChange has been cancelled");+
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		iSSChangeNotificationPending=EFalse;+
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		iPhone->ReqCompleted(iSSChangeNotificationReqHandle,KErrCancel);+
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		}+
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	else +
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		LOGSS1("CSimSignalStrength::NotifySignalStrengthChange was not outstanding and hasn't been cancelled");+
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	}+
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+
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void CSimSignalStrength::TimerCallBack(TInt /*aId*/)+
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/**+
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 * The timer callback function.  This function will be called when the timer+
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 * completes.  It indicates a change in signal strength settings.  So, the new+
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 * signal strength settings must be loaded into the member variables representing+
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 * the current settings and any pending signal strength notification requests must+
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 * be completed.  Finally, the next timer is started.+
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 *+
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 * @param aId	This parameter is unused.  It is only required for CSimXxx classes+
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 *				that have more than one timer instance and need to identify which+
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 *				timer has expired.+
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 */+
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	{+
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	iSSIndex++;+
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	if(iSignalStrengthInfo->Count()<=iSSIndex)+
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		return;+
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+
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	iCurrentLevel=iSignalStrengthInfo->At(iSSIndex).iLevel;+
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	iCurrentBar=iSignalStrengthInfo->At(iSSIndex).iBar;+
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	iCurrentError = iSignalStrengthInfo->At(iSSIndex).iErr;+
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	if(iSSChangeNotificationPending)+
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		{+
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		iSSChangeNotificationPending=EFalse;+
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		*iSSChangeNotificationSSLevel=iCurrentLevel;+
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		*iSSChangeNotificationSSBarLevel=iCurrentBar;+
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		LOGSS3("<<CSimSignalStrength::NotifySignalStrengthChange with level=%d dB and bar=%d",iCurrentLevel,iCurrentBar);+
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		iPhone->ReqCompleted(iSSChangeNotificationReqHandle,iCurrentError);+
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		}+
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	iTimer->Start(iSignalStrengthInfo->At(iSSIndex).iDuration,this);+
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	}+
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+
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const CTestConfigSection* CSimSignalStrength::CfgFile()+
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/**+
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 * Returns a pointer to the current configuration file section.+
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 *+
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 * @return CTestConfigSection	A pointer to the current configuration file section.+
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 */+
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	{+
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	return iPhone->CfgFile();+
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	}+
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+
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/**+
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 * Called by CSimSignalStrengthChange when a signal strength request has been received.+
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 *+
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 * @param aNewVal The new signal strength value (number of bars)+
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 */+
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void CSimSignalStrength::PubSubCallback(TInt aNewVal)+
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	{+
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	LOGSS2("CSimSignalStrength::SignalStrengthChangeCallBack newVal=%d", aNewVal);+
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	if (iCurrentBar == aNewVal)+
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		{+
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		return;+
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		}+
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	iCurrentBar = (TInt8) aNewVal;+
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	if(iSSChangeNotificationPending)+
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		{+
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		iSSChangeNotificationPending=EFalse;+
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		*iSSChangeNotificationSSLevel=iCurrentLevel;+
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		*iSSChangeNotificationSSBarLevel=iCurrentBar;+
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		LOGSS3("<<CSimSignalStrength::NotifySignalStrengthChange with level=%d dB and bar=%d",iCurrentLevel,iCurrentBar);+
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		iPhone->ReqCompleted(iSSChangeNotificationReqHandle,iCurrentError);+
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		}+
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	}+
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