/*

* Copyright (c) 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:  BtDeviceDialogWidget class implementation.

*

*/

#include "btdevicedialoginputwidget.h"

#include "btdevicedialogplugintrace.h"

#include <bluetoothdevicedialogs.h>

#include <hbaction.h>

#include <hbdialog.h>

#include <hblabel.h>

#include <hbvalidator.h>

#include "btdevicedialogpluginerrors.h"

const int PASSCODE_MAX_LEN = 16; // from BT specs

/*!

    class Constructor

 */

BtDeviceDialogInputWidget::BtDeviceDialogInputWidget(

        const QVariantMap &parameters)

{

    TRACE_ENTRY

    // set properties

    mLastError = NoError;

    mShowEventReceived = false;

    mInputDialog = new HbInputDialog();

    resetProperties();

    constructInputDialog(parameters);

    TRACE_EXIT

}

/*!

    Set parameters, implementation of interface

    Invoked when HbDeviceDialog::update calls.

 */

bool BtDeviceDialogInputWidget::setDeviceDialogParameters(

    const QVariantMap &parameters)

{

    TRACE_ENTRY

    mLastError = NoError;

    processParam(parameters);

    TRACE_EXIT

    return true;

}

/*!

    Get error, implementation of interface

 */

int BtDeviceDialogInputWidget::deviceDialogError() const

{

    TRACE_ENTRY

    TRACE_EXIT

    return mLastError;

}

/*!

    Close notification, implementation of interface

 */ 

void BtDeviceDialogInputWidget::closeDeviceDialog(bool byClient)

{

    TRACE_ENTRY

    Q_UNUSED(byClient);

    // Closed by client or internally by server -> no action to be transmitted.

    mSendAction = false;

    mInputDialog->close();

    // If show event has been received, close is signalled from hide event. If not,

    // hide event does not come and close is signalled from here.

    if (!mShowEventReceived) {

        emit deviceDialogClosed();

    }

    TRACE_EXIT

}

/*!

    Return display widget, implementation of interface

 */

HbDialog *BtDeviceDialogInputWidget::deviceDialogWidget() const

{

    TRACE_ENTRY

    TRACE_EXIT

    return mInputDialog;

}

QObject *BtDeviceDialogInputWidget::signalSender() const

{

    return const_cast<BtDeviceDialogInputWidget*>(this);

}     

/*!

    Construct display widget

 */

bool BtDeviceDialogInputWidget::constructInputDialog(const QVariantMap &parameters)

{

    TRACE_ENTRY

    // analyze the parameters to compose the properties of the widget

    processParam(parameters);

    connect(mInputDialog, SIGNAL(finished(HbAction*)), this, SLOT(inputClosed(HbAction*)));

    TRACE_EXIT

    return true;

}

/*!

    Take parameter values and generate relevant property of this widget

 */

void BtDeviceDialogInputWidget::processParam(const QVariantMap &parameters)

{

    TRACE_ENTRY

    QString keyStr, prompt,title,regExp;

    QVariant name;

    keyStr.setNum( TBluetoothDialogParams::EResource );

    // Validate if the resource item exists.

    QVariantMap::const_iterator i = parameters.constFind( keyStr );

    // item of ResourceId is not found, can't continue.

    if ( i == parameters.constEnd() ) {

        mLastError = UnknownDeviceDialogError;

        return;

    }

    QVariant param = parameters.value( keyStr );

    if ( param.toInt() == EPinInput ) {

        // Numeric value only

        mInputDialog->setInputMode(HbInputDialog::RealInput);

        title = QString(hbTrId("txt_bt_title_pairing_with_1"));

        // todo: Fixe the multiline problem

        prompt = QString( hbTrId( "txt_bt_dialog_please_enter_the_passcode_for_1" ) );

    }

    else {

        mLastError = ParameterError;

        return;

    }

    // check if minLength of passcode required

    keyStr.setNum( TBluetoothDeviceDialog::EAdditionalDesc );

    i = parameters.constFind( keyStr );

    // Mini Length required, update prompt

    // ToDo: The validator doesn't seem to work properly 

    if ( i != parameters.constEnd() ) {

        // Todo : The string ID for the localization is not available yet

        // for string : "Enter %1 digit passcode for device %2:"

        // I'm using the "Enter the passcode for device %1" instead

        prompt = QString( hbTrId( "txt_bt_dialog_please_enter_the_passcode_for_1" ) );

        param = parameters.value( keyStr );

        regExp = tr("^\\d{%1,}$");

        regExp.arg(param.toString());

        HbValidator* validator = new HbValidator(mInputDialog->lineEdit());

        validator->addField(

                new QRegExpValidator(

                        QRegExp(regExp, Qt::CaseInsensitive), validator ),"");

        mInputDialog->setValidator(validator);

    }else{

    // Minimum requirement is to have at least 1 digit

        regExp = tr("^\\d{1,}$");

        HbValidator* validator = new HbValidator(mInputDialog->lineEdit());

        validator->addField(

                new QRegExpValidator(

                        QRegExp(regExp, Qt::CaseInsensitive), validator ),"");

        mInputDialog->setValidator(validator);    

    }

    // replace % with the miniLength and device name

    int repls = prompt.count( QString( "%" ) );

    if ( repls > 1 ) {

        prompt = prompt.arg( param.toString() );

    }

    if ( repls > 0 ) {

        name = parameters.value( QString::number( TBluetoothDeviceDialog::EDeviceName ) );

        prompt = prompt.arg( name.toString() );

    }

    repls = title.count(QString("%"));

    if(repls > 0){

        title = title.arg( name.toString() );

    }

    mInputDialog->setHeadingWidget(new HbLabel(title));

    mInputDialog->lineEdit(0)->setMaxLength(PASSCODE_MAX_LEN);

    mInputDialog->lineEdit(0)->setText(tr("")); // clear the input field

    mInputDialog->setPromptText(prompt);

    TRACE_EXIT

}

/*!

    Reset properties to default values

 */

void BtDeviceDialogInputWidget::resetProperties()

{

    TRACE_ENTRY

    // set to default values

    mInputDialog->setModal(true);

    mInputDialog->setTimeout(HbDialog::NoTimeout);

    mInputDialog->setDismissPolicy(HbDialog::NoDismiss);

    mSendAction = true;

    // Todo: clean the Validator

    TRACE_EXIT

    return;

}

void BtDeviceDialogInputWidget::inputClosed(HbAction *action)

{

    QVariantMap data;

    HbInputDialog *dlg=static_cast<HbInputDialog*>(sender());

    if(dlg->actions().first() == action) {

        //Ok

        QVariant result( dlg->value().toString().toUtf8() );

        data.insert( QString( "result" ), QVariant(true));

        data.insert( QString( "input" ), result );

   } 

    else if(dlg->actions().at(1) == action) {

        //Cancel

        data.insert( QString( "result" ), QVariant(false));

    }

    emit deviceDialogData(data);

    emit deviceDialogClosed();

    mSendAction = false;

}