ansphonecallmaker.cpp

s60 接打电话代码,很有学习价值的,可以移植到不同平台

/**
*
* @brief Definition of CAnsPhoneCallMaker
*
* Copyright (c) EMCC Software Ltd 2003
* @version 1.0
*/

#include "AnsPhoneCallMaker.h"

CAnsPhoneCallMaker::CAnsPhoneCallMaker(MAnsPhoneCallMakerObserver& aObserver, RLine& aLine)
:CActive(EPriorityNormal),
 iObserver(aObserver),
 iLine(aLine),
 iState(ENoState)
	{
	}

CAnsPhoneCallMaker::~CAnsPhoneCallMaker()
	{
	Cancel();
	}

CAnsPhoneCallMaker* CAnsPhoneCallMaker::NewL(MAnsPhoneCallMakerObserver& aObserver, RLine& aLine)
	{
	CAnsPhoneCallMaker* self = new (ELeave) CAnsPhoneCallMaker(aObserver, aLine);
	CleanupStack::PushL(self);
	self->ConstructL();
	CleanupStack::Pop(self);
	return self;
	}

void CAnsPhoneCallMaker::ConstructL()
	{
	CActiveScheduler::Add(this);
	}

///////////////////////////////////////////////////////////////////////////////////////////////////////
// CActive
//
///////////////////////////////////////////////////////////////////////////////////////////////////////

void CAnsPhoneCallMaker::RunL()
	{
	// if the caller hangs up, then we will get KErrGeneral error here
	if(iState == EDialling && iStatus.Int() == KErrGeneral)
		{
		Stop();
		iObserver.HandleCallHungUpL();
		return;
		}

	if(iStatus.Int() != KErrNone)
		return;

	switch(iState)
		{
		case EDialling:
			iState = EWatching;
			StartL();
			break;

		case EWatching:
			User::LeaveIfError(iCall.GetStatus(iCallStatus));
			if(iCallStatus == RCall::EStatusHangingUp || iCallStatus == RCall::EStatusIdle)
				{
				Stop();
				iObserver.HandleCallHungUpL();
				}
			else
				{
				StartL();
				}
			break;

		default:
			break;
		}
	}

void CAnsPhoneCallMaker::DoCancel()
	{
	Stop();
	}


void CAnsPhoneCallMaker::MakeCallL(const TDesC& aNumber)
	{
	iState = EDialling;
    iNumber.Set(aNumber);
	StartL();
	}

void CAnsPhoneCallMaker::StartL()
	{
	switch(iState)
		{
		case ENoState:
			return;
		case EDialling:
			{
			User::LeaveIfError(iCall.OpenNewCall(iLine));
			iCall.Dial(iStatus, iNumber);
			break;
			}
		case EWatching:
			iCall.NotifyStatusChange(iStatus, iCallStatus);
			break;
		}
	SetActive();
	}

void CAnsPhoneCallMaker::Stop()
	{
	switch(iState)
		{
		case ENoState:
			break;
		case EDialling:
			iCall.HangUp();
			iCall.Close();
			break;
		case EWatching:
			iCall.NotifyStatusChangeCancel();
			iCall.Close();
			break;
		}
	iState = ENoState;
	}