/*

 * 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:  

 *

 */

#include "btxqpowerservice.h"

#include <btxqserviceapi.h>

#include <bluetoothdevicedialogs.h>

#include <hbapplication.h>

#include <hbdevicedialog.h>

#include <btnotif.h>

const QString deviceDialogType = "com.nokia.hb.btdevicedialog/1.0";

BtxqPowerService::BtxqPowerService(QObject *parent)

: XQServiceProvider(BluetoothServiceTogglePower, parent),

mSettings(0), mCurrentRequestIndex(0), mNotificationDialog(0), 

mOfflineDialog(0), mOfflineQueryShown(false)

{

    publishAll();

    connect(this, SIGNAL(returnValueDelivered()), qApp, SLOT(quit()));

}

BtxqPowerService::~BtxqPowerService()

{

    delete mSettings;

    delete mNotificationDialog;

    delete mOfflineDialog;

}

void BtxqPowerService::togglePower()

{

    mCurrentRequestIndex = setCurrentRequestAsync();

    TRAPD(err, mSettings = CBTEngSettings::NewL(this));

    if(err < 0)

        {

        // Error creating CBTEngSettings. Complete the service request with error.

        QVariant retVal(err);

        completeRequest(mCurrentRequestIndex, retVal);

        return;

        }

    // Get the current power state.

    TBTPowerStateValue state; 

    err = mSettings->GetPowerState(state);

    if(err < 0)

        {

        // Error getting the current power state. Complete the service request with error.

        QVariant retVal(err);

        completeRequest(mCurrentRequestIndex, retVal);

        return;

        }

    if (EBTPowerOff == state)

        {

        // Bluetooth is currently turned off.

        bool isInOffline = checkOfflineMode(); 

        if (isInOffline) 

            {

            // Device is in offline mode.

            // Ask user if he/she wants Bluetooth to be turned on in offline mode.

            showOfflineDialog();

            }

        else 

            {

            // Device is not in offline mode.

            // Turn Bluetooth on.

            changeBtPowerMode(EBTPowerOn);

            }               

        }         

    else 

        {  

        // Bluetooth is currently turned on.

        // Switch Bluetooth on.

        changeBtPowerMode(EBTPowerOff);

        }

}

void BtxqPowerService::changeBtPowerMode(TBTPowerStateValue aNewPowerState)

{   

    // Set the new Bluetooth power state.

    TInt error = mSettings->SetPowerState(aNewPowerState);

    if(error != KErrNone)

        {

        // Error setting the new Bluetooth power state.

        // Complete the service request with error.

        QVariant retVal(error);

        completeRequest(mCurrentRequestIndex, retVal);

        }

}

bool BtxqPowerService::checkOfflineMode()

{

    // Check if the device is in offline mode.

    TCoreAppUIsNetworkConnectionAllowed offline = ECoreAppUIsNetworkConnectionAllowed;  

    TBTEnabledInOfflineMode enabledInOffline; 

    mSettings->GetOfflineModeSettings(offline, enabledInOffline); 

    //todo: Check if activation of Bluetooth is allowed in offline mode.

    return !offline;  

}

void BtxqPowerService::showBTStatusNotification(TBool powerState)

{

    // Prepare new power state notification dialog.

    if(!mNotificationDialog)

        {

        mNotificationDialog = new HbDeviceDialog();

        }

    connect(mNotificationDialog, SIGNAL(deviceDialogClosed()), this, SLOT(handleDialogClosed()));

    QVariantMap parameters;

    parameters.insert(QString::number(TBluetoothDialogParams::EDialogType), 

          QString::number(TBluetoothDialogParams::EGlobalNotif));

    parameters.insert(QString::number(TBluetoothDialogParams::EResource),

            QString::number(EGenericInfo));

    if(powerState)

        {

        // Show dialog with power on notification.

        parameters.insert(QString::number(TBluetoothDeviceDialog::EAdditionalInt),

              QString::number(EBTSwitchedOn));

        }

    else

        {

        // Show dialog with power off notification.

        parameters.insert(QString::number(TBluetoothDeviceDialog::EAdditionalInt),

              QString::number(EBTSwitchedOff));

        }

    mNotificationDialog->show(deviceDialogType, parameters);    

}

void BtxqPowerService::showOfflineDialog()

{

    // Prepare and show the offline query dialog.

    if(!mOfflineDialog)

        {

        mOfflineDialog = new HbDeviceDialog();

        }

    connect(mOfflineDialog, SIGNAL(dataReceived(QVariantMap)), 

          this, SLOT(handleDataReceived(QVariantMap)));

    connect(mOfflineDialog, SIGNAL(deviceDialogClosed()), 

          this, SLOT(handleDialogClosed()));

    QVariantMap parameters;

    parameters.insert(QString::number(TBluetoothDialogParams::EDialogType), 

          QString::number(TBluetoothDialogParams::EInformationDialog));

    parameters.insert(QString::number(TBluetoothDialogParams::EDialogTitle),

          QString::number(TBluetoothDialogParams::EOfflineQuery));

    mOfflineQueryShown = true;

    mOfflineDialog->show(deviceDialogType, parameters);    

}

void BtxqPowerService::handleDialogClosed()

{

    // Handle the dialog closed.

    if(mOfflineQueryShown)

        {

        mOfflineDialog->cancel();

        mOfflineQueryShown = false;

        changeBtPowerMode(EBTPowerOn);

        }

    else

        {

        QVariant retVal(0);

        completeRequest(mCurrentRequestIndex, retVal);

        }

}

void BtxqPowerService::handleDataReceived(QVariantMap data)

{

    // Handle the user selection in the dialog.

    mOfflineDialog->cancel();

    if(data.value(QString("actionResult")).toBool())

        {

        changeBtPowerMode(EBTPowerOn);

        }

    else

        {

        QVariant retVal(0);

        completeRequest(mCurrentRequestIndex, retVal);

        }

}

void BtxqPowerService::PowerStateChanged( TBTPowerStateValue aState )

{

    // Call-back from CBTEngSettings confirming the power change to the new power state.

    (aState == EBTPowerOn) ? showBTStatusNotification(true) : showBTStatusNotification(false);

}

void BtxqPowerService::VisibilityModeChanged( TBTVisibilityMode aState )

{

    // This call-back is not used.

    (void) aState;

}