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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "nearfieldtagcommandsrequest_symbian.h"
#include "nearfieldutility_symbian.h"
#include "nearfieldtagimplcommon_symbian.h"
#include "debug.h"
QTM_USE_NAMESPACE
NearFieldTagCommandsRequest::NearFieldTagCommandsRequest(QNearFieldTagImplCommon& aOperator) : MNearFieldTagAsyncRequest(aOperator)
{
iCurrentCommand = 0;
iRequestCancelled = EFalse;
}
NearFieldTagCommandsRequest::~NearFieldTagCommandsRequest()
{
BEGIN
iRequestCancelled = ETrue;
if (iRequestIssued)
{
iOperator.DoCancelSendCommand();
}
END
}
void NearFieldTagCommandsRequest::IssueRequest()
{
BEGIN
LOG("current command index = "<<iCurrentCommand);
LOG("commands count = "<<iCommands.count());
iRequestIssued = ETrue;
if (iCurrentCommand < iCommands.count())
{
if (iWait && (iCurrentCommand == 0))
{
if (iWait->IsStarted() && !iTimer->IsActive())
{
// start timer here
LOG("Start timer");
TCallBack callback(MNearFieldTagAsyncRequest::TimeoutCallback, this);
iTimer->Start(iMsecs, iMsecs, callback);
}
}
iOperator.DoSendCommand(iCommands.at(iCurrentCommand), this);
++iCurrentCommand;
}
END
}
bool NearFieldTagCommandsRequest::IssueRequestNoDefer()
{
BEGIN
if (iCommands.count() > 0)
{
iRequestIssued = iOperator.DoSendCommand(iCommands.at(0), this, false);
++iCurrentCommand;
}
END
return iRequestIssued;
}
void NearFieldTagCommandsRequest::ProcessResponse(TInt aError)
{
BEGIN
LOG("error is "<<aError);
QByteArray result;
if (KErrNone == aError)
{
result = QNFCNdefUtility::TDesC2QByteArray(*iResponse);
LOG("result is "<<result);
LOG("clear the buffer");
iResponse->Zero();
iDecodedResponses.append(iOperator.decodeResponse(iCommands.at(iCurrentCommand - 1), result));
}
else
{
// error occurs
LOG("error occurs, append QVariant() to rest list");
for (--iCurrentCommand; iCurrentCommand < iCommands.count(); ++iCurrentCommand)
{
iDecodedResponses.append(QVariant());
}
}
iRequestIssued = EFalse;
if (!iRequestCancelled && (iCurrentCommand < iCommands.count()))
{
LOG("issue another command in command list");
IssueRequest();
}
else
{
// all commands finished
LOG("all commands completed");
MNearFieldTagAsyncRequest::ProcessResponse(aError);
}
END
}
void NearFieldTagCommandsRequest::HandleResponse(TInt aError)
{
BEGIN
iOperator.HandleResponse(iId, iDecodedResponses, aError);
END
}
void NearFieldTagCommandsRequest::CommandComplete(TInt aError)
{
BEGIN
ProcessResponse(HandlePassiveCommand(aError));
END
}
void NearFieldTagCommandsRequest::ProcessEmitSignal(TInt aError)
{
BEGIN
LOG(aError);
if (aError != KErrNone)
{
iOperator.EmitError(aError, iId);
}
END
}
void NearFieldTagCommandsRequest::ProcessTimeout()
{
BEGIN
if (iWait)
{
if (iWait->IsStarted())
{
if (iRequestIssued)
{
iOperator.DoCancelSendCommand();
iRequestCancelled = ETrue;
iRequestIssued = EFalse;
}
LOG("wait timeout");
ProcessResponse(HandlePassiveCommand(KErrTimedOut));
}
}
END
}
TInt NearFieldTagCommandsRequest::HandlePassiveCommand(TInt aError)
{
BEGIN
TInt result = aError;
TInt index = (iCurrentCommand == 0) ? iCurrentCommand : (iCurrentCommand - 1);
QByteArray command = iCommands.at(index);
// check if the command is passive ack
if (command.count() == 6)
{
// it may be the select sector packet 2 command for tag type 2
if ((command.at(1) == 0) && (command.at(2) == 0) && (command.at(3) == 0))
{
iResponse->Zero();
if (KErrTimedOut == aError)
{
result = KErrNone;
iResponse->Append(0x0A);
}
else
{
iResponse->Append(0x05);
}
}
}
END
return result;
}
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