kcallwidget.cpp

kphone-4.2,SHELL协议的VOIP电话

					QString( tr("Incoming Call: ") ) + call->getCallId() );
				holdbutton->setEnabled( true );
				transferbutton->setEnabled( true );
			}
			QString ss = member->getUri().uri();
			QDateTime t = QDateTime::currentDateTime();
			incomingCall = new IncomingCall( ss, t );
			missedCalls.append( incomingCall );
			updateCallRegister();

			// Ringing tone
			QSettings settings;
			QString p = "/kphone/General/";
			isRingingTone = ( settings.readEntry(
				p + "/ringingtone", "No" ).upper() == "YES" );

			ringCount = 0;
			ringTimer->start( ringTime_1, TRUE );
		}
		remote->setEditText( member->getUri().uri() );
		subject = call->getSubject();
		hangup->setEnabled( true );
		hangup->setFocus();
		if( member->getState() == SipCallMember::state_InviteRequested ) {
			hidebutton->setEnabled( false );
			dial->setEnabled( false );
			hangup->setEnabled( true );
			curstate = Calling;
		} else if( member->getState() == SipCallMember::state_RequestingInvite ) {
			dial->setText( tr("Accept") );
			hangup->setText( tr("Reject") );
			hidebutton->setEnabled( false );
			dial->setEnabled( true );
			hangup->setEnabled( true );
			curstate = Called;
		} else {
			hidebutton->setEnabled( false );
			dial->setEnabled( false );
			hangup->setEnabled( true );
			curstate = Connected;
			if (!dtmfsenderTimer->isActive())
				dtmfsenderTimer->start(dtmfsenderdelay->value() * 10);
		}
	} else {
		curstat->setText( QString::null );
		if( call->getCallType() == SipCall::videoCall ) {
			setCaption( getUserPrefix() +
				QString( tr("Outgoing Video Call: ") ) + call->getCallId() );
			holdbutton->setEnabled( false );
			transferbutton->setEnabled( false );
		} else {
			setCaption( getUserPrefix() +
				QString( tr("Outgoing Call: ") ) + call->getCallId() );
			holdbutton->setEnabled( true );
			transferbutton->setEnabled( true );
		}
		subject = call->getSubject();
		remote->setEditText( QString::null );
		hidebutton->setEnabled( true );
		dial->setEnabled( true );
		dial->setFocus();
		hangup->setEnabled( false );
		curstate = PreDial;
	}
	updateAudioStatus();
}

void KCallWidget::dialClicked( void )
{
	// Multi-purpose buttons hack
	if( curstate == Called ) {
		missedCalls.setAutoDelete( false );
		missedCalls.remove( incomingCall );
		missedCalls.setAutoDelete( true );
		receivedCalls.append( incomingCall );
		updateCallRegister();
		acceptCall();
		return;
	}
	if( remote->currentText().length() == 0 ) {
		QMessageBox::critical( this, tr("Error: No Destination"),
			tr("You must specify someone to call.") );
		return;
	}
/* #ALSA
	if( !audio->isAudioOn() ) {
		audio_fd = ::open( audio->getOSSFilename(), O_WRONLY | O_NONBLOCK );
		if( audio_fd == -1 ) {
			QMessageBox::information( this, tr("Dial"),
				tr("Close any program which might be using soundcard \nand then retry dial.") );
			return;
		} else {
			::close( audio_fd );
		}
	}
*/
	QString strRemoteUri;
	QString s = remote->currentText();
	if( s.contains( '[' ) && s.contains( ']' ) ) {
		strRemoteUri = s.mid( s.find( '[' ) + 1, s.find( ']' ) - s.find( '[' ) - 1 );
	} else {
		if( s.left( 4 ).lower() != "tel:" ) {
			if( s.left( 4 ).lower() != "sip:" ) {
				s = "sip:" + s;
			}
			if( !s.contains( '@' ) ) {
				s = s + "@" + call->getHostname();
			}
		}
		strRemoteUri = s;
	}
	for( int i = 0; i < remote->count(); i++ ) {
		if( remote->text( i ).compare( s ) == 0 ) {
			remote->removeItem( i );
		}
	}
	remote->insertItem( s, 0 );
	remote->setCurrentItem( 0 );
	QSettings settings;
	QString p = "/kphone/" + getUserPrefix() + "/Call register/";
	QString str;
	QString label;
	for( int i = 0; i < remote->count(); i++ ) {
		label = p + "/Dialled" + str.setNum( i );
		settings.writeEntry( label, remote->text(i).latin1() );
	}
	label = p + "/Dialled" + str.setNum( remote->count() );
	settings.writeEntry( label, "" );
	SipUri remoteuri( strRemoteUri );
	audio->setRtpCodec( codecUnknown );
	audio->setVideoRtpCodec( codecUnknown );
	member = new SipCallMember( call, remoteuri );
	connect( member, SIGNAL( statusUpdated( SipCallMember * ) ),
		this, SLOT( callMemberStatusUpdated() ) );
	connect( member, SIGNAL( statusUpdated( SipCallMember * ) ),
		sipauthentication, SLOT( authRequest( SipCallMember * ) ) );
	audio->setCurrentCall( call );
	member->requestInvite(
		audio->audioOut().message( audio->getRtpCodec(), audio->getVideoRtpCodec(), audio->getBodyMask() ),
		MimeContentType( "application/sdp" ) );
	connect( member, SIGNAL( statusUpdated( SipCallMember * ) ),
		this, SLOT( callMemberStatusUpdated( ) ) );
	audio->attachToCallMember( member );
	hidebutton->setEnabled( false );
	dial->setEnabled( false );
	hangup->setEnabled( true );
	curstate = Calling;
	curstat->setText( member->getLocalStatusDescription() );
}

void KCallWidget::callMemberStatusUpdated( void )
{
	SdpMessage sdpm;
	SdpMessage rsdp;
	if( member->getState() == SipCallMember::state_Disconnected ) {
		if( member->getLocalStatusDescription().left( 2 ) == "!!" ) {
			curstat->setText( tr("Call Failed") );
			QMessageBox::critical( this, "KPhone",
				member->getLocalStatusDescription().remove(0,2) );
			setHide();
		} else {
			curstat->setText( member->getLocalStatusDescription()
					+ " at " + QDateTime::currentDateTime().toString("hh:mm:ss"));
		}
		forceDisconnect();
	} else if( member->getState() == SipCallMember::state_Redirected ) {
		curstat->setText( member->getLocalStatusDescription() );
		handleRedirect();
	} else if( member->getState() == SipCallMember::state_Refer ) {
		curstat->setText( member->getLocalStatusDescription() );
		member->setState( SipCallMember::state_Refer_handling );
		handleRefer();
	} else if( member->getState() == SipCallMember::state_Connected ) {
		curstat->setText( member->getLocalStatusDescription() );
		hidebutton->setEnabled( false );
		dial->setEnabled( false );
		hangup->setEnabled( true );
		curstate = Connected;
		if (!dtmfsenderTimer->isActive())
			dtmfsenderTimer->start(dtmfsenderdelay->value() * 10);
	} else {
		curstat->setText( member->getLocalStatusDescription() );
	}
}

void KCallWidget::audioOutputDead( void )
{
	printf( "KCallAudio: Broken output pipe, disconnecting unpolitely\n" );
	forceDisconnect();
}

void KCallWidget::hangupCall( void )
{
	if( !hangup->isEnabled() ) {
		return;
	}
	ringTimer->stop();

	// Reject call if that's our current state
	if( curstate == Called ) {
		member->declineInvite();
		setHide();
		return;
	}
	if( call->getCallStatus() != SipCall::callDead ) {
		hangup->setEnabled( false );
		if( member->getState() == SipCallMember::state_Connected ) {
			member->requestDisconnect();
		} else {
			member->cancelTransaction();
			if( audio->getCurrentCall() == call ) {
				audio->detachFromCall();
			}
		}
		setHide();
		return;
	}
}

void KCallWidget::acceptCall( void )
{
	ringTimer->stop();
	acceptCallTimer->start( acceptTime, true );
}

void KCallWidget::holdCall( void )
{
    if( curstate != Connected ) 
		return;
	if( audio->getCurrentCall() == call ) {
		audio->toggleOnHold();
		holdbutton->setText( tr("Unhold") );
	} else if( member ) {
		audio->setCurrentCall( call );
		audio->attachToCallMember( member );
		audio->toggleOnHold();
		holdbutton->setText( tr("Hold") );
	}
}

void KCallWidget::handleRedirect( void )
{
	printf( "KCallWidget: Handling redirect...\n" );
	QValueList<SipUri>::Iterator it;
	SipUriList urilist = member->getRedirectList();
	while ( urilist.getListLength() > 0 ) {
		SipUri redirto = urilist.getPriorContact();
		QMessageBox mb( tr("Redirect"),
			tr("Call redirected to: ") + "\n" + redirto.reqUri() + "\n\n" +
			tr("Do you want to proceed ? "),
			QMessageBox::Information,
			QMessageBox::Yes | QMessageBox::Default,
			QMessageBox::No,
			QMessageBox::Cancel | QMessageBox::Escape );
		switch( mb.exec() ) {
		case QMessageBox::No:
			continue;
		case QMessageBox::Cancel:
			forceDisconnect();
			return;
		}
		if( audio->getCurrentCall() == call ) {
			audio->detachFromCall();
		}
		if( member ) disconnect( member, 0, this, 0 );
		member = 0;
		if( call ) delete call;
		call = 0;
		redirectCall( redirto, subject );
		setHide();
		return;
	}
	forceDisconnect();
}

void KCallWidget::handleRefer( void )
{
	printf( "KCallWidget: Handling redirect...\n" );
	SipUri redirto = member->getRedirectList().getHead();
	if( audio->getCurrentCall() == call ) {
		audio->detachFromCall();
	}
	QMessageBox mb( tr("Redirect"),
		tr("Call redirected to: ") + "\n" + redirto.reqUri() + "\n\n" +
		tr("Do you want to proceed ? "),
		QMessageBox::Information,
		QMessageBox::Yes | QMessageBox::Default,
		QMessageBox::No,
		0 );
	if( mb.exec() == QMessageBox::Yes ) {
		redirectCall( redirto, subject );
		setHide();
	} else {
		forceDisconnect();
	}
}

void KCallWidget::forceDisconnect( void )
{
	printf( "KCallWidget: Starting force disconnect...\n" );
	if( audio->getCurrentCall() == call ) {
		audio->detachFromCall();
	}
	if( member ) disconnect( member, 0, this, 0 );
	member = 0;
	if( call ) delete call;
	call = 0;
	callDeleted();
	ringTimer->stop();
	dial->setEnabled(false);
	hangup->setEnabled(false);
	holdbutton->setEnabled(false);
	transferbutton->setEnabled(false);
	morebutton->setEnabled(false);
}

void KCallWidget::updateAudioStatus( void )
{
	if( audio->getCurrentCall() == call ) {
		if( audio->isRemoteHold() )
			curaudiostat->setText( tr("Attached [holding]") );
		else
			curaudiostat->setText( tr("Attached [active]") );
	} else {
		curaudiostat->setText( tr("Unattached") );
	}
}

void KCallWidget::clickDial()
{
	dialClicked();
}

void KCallWidget::clickHangup()
{
	hangupCall();
}

void KCallWidget::pleaseDial( const SipUri &dialuri )
{
	remote->setEditText( dialuri.reqUri() );
	dialClicked();
}

void KCallWidget::showTransferDialog( void )
{
	if( !transfer ) {
		transfer = new KCallTransfer(this);
		connect( transfer, SIGNAL( pleaseTransfer( const QString & ) ),
			this, SLOT( pleaseTransfer( const QString & ) ) );
	}
	transfer->show();
}

void KCallWidget::pleaseTransfer( const QString &transferto )
{
	// Ignore this button if there is no call setup yet.
	if( curstate != Connected ) return;
	if( call->getCallStatus() != SipCall::callDead ) {
		hangup->setEnabled( false );
		hidebutton->setEnabled( true );
		QString s = transferto;
		if( s.left( 4 ).lower() != "tel:" ) {
			if( s.left( 4 ).lower() != "sip:" ) {
				s = "sip:" + s;
			}
			if( !s.contains( '@' ) ) {
				s = s + "@" +  member->getUri().getHostname();  //call->getHostname();
			}
		}
		member->requestTransfer( SipUri( s ) );
		return;
	}
}

void KCallWidget::setDTMFSender( QString &s )
{
	dtmfsender->setCurrentText(s);
}

void KCallWidget::getUri( void )
{
	QSettings settings;
	QString p = "/kphone/" + getUserPrefix() + "/Local";
	QString xmlFile = settings.readEntry( p + "/PhoneBook", "" );
	if( xmlFile.isEmpty() ) {
		if( getUserPrefix().isEmpty() ) {
			xmlFile = QDir::homeDirPath() + "/.kphone-phonebook.xml";
		} else {
			xmlFile = QDir::homeDirPath() +
				"/.kphone" + getUserPrefix() + "phonebook.xml";
		}
	}
	QStringList r;
	if( !phoneBook ) {
		phoneBook = new PhoneBook(xmlFile, this, getUserPrefix() + "Phone Book", receivedCalls, missedCalls, r );
	}
	phoneBook->exec();
	remote->setEditText( phoneBook->getUri() );
	phoneView->updateContacts( xmlFile );