/*

* Copyright (c) 2010 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: USB Mass Storage indicator implementation 

*

*/

#include "usbmassstorageindicator.h" 

#include <QVariant>

#include <e32uid.h>

#include <apadef.h>

#include <usb/hostms/msmmindicatorclient.h>

#include "usbdebug.h"

// icon name for mass storage

const QString KUsbIconFile("qtg_large_usb_memory");

/*!

   Constructor

   @param indicatorType The indicator type name

*/ 

UsbMassStorageIndicator::UsbMassStorageIndicator(const QString &indicatorType) :

HbIndicatorInterface(indicatorType,

        HbIndicatorInterface::SettingCategory,

        InteractionActivated),

        mEjectStarted(false)

{

}

/*!

   Destructor

*/

UsbMassStorageIndicator::~UsbMassStorageIndicator()

{

    myDebug() << ">>> UsbMassStorageIndicator::~UsbMassStorageIndicator";

}

/*!

   Handle user interaction

   Request eject for all USB drives.

*/

bool UsbMassStorageIndicator::handleInteraction(InteractionType type)

{

    myDebug() << ">>> UsbMassStorageIndicator::handleInteraction";

    bool handled = false;

    if (type == InteractionActivated) {

        if (!mEjectStarted) {

            mEjectStarted = true;

            // dismount all drives without waiting for result

            RHostMassStorage hostMassStorage;

            myDebug() << "    UsbMassStorageIndicator::handleInteraction hostMassStorage connecting";

            TInt err = hostMassStorage.Connect();

            myDebug() << "    UsbMassStorageIndicator::handleInteraction hostMassStorage connected";

            if (err == KErrNone) {

                hostMassStorage.EjectUsbDrives();

                myDebug() << ">>> UsbMassStorageIndicator::handleInteraction EjectUsbDrives called";

                if (err != KErrNone) {

                    myDebug() << "    UsbMassStorageIndicator::handleInteraction "

                            <<"RHostMassStorage EjectUsbDrives fail " << err;

                }

            }

            else {

                myDebug() << "    UsbMassStorageIndicator::handleInteraction "

                        <<"RHostMassStorage Connect fail " << err;

            }

            hostMassStorage.Disconnect();

            myDebug() << ">>> UsbMassStorageIndicator::handleInteraction disconnected";

            hostMassStorage.Close();

            myDebug() << ">>> UsbMassStorageIndicator::handleInteraction closed";

        }

        handled = true;                

    }

    myDebug() << "<<< UsbMassStorageIndicator::handleInteraction";

    return handled;

}

/*!

   Return the data and icon that needs to be displayed in the universal indicator menu 

*/

QVariant UsbMassStorageIndicator::indicatorData(int role) const

{

    myDebug() << ">>> UsbMassStorageIndicator::indicatorData";

    switch (role) {

        case PrimaryTextRole: 

            return QString(hbTrId("txt_usb_dblist_usb_connected"));

        case SecondaryTextRole:

            return QString(hbTrId("txt_usb_dpinfo_click_to_eject"));;

        case DecorationNameRole:

            return KUsbIconFile;

        default: 

            return QVariant(); //empty variant      

    }

}

/*!

   USBIndicator::handleClientRequest

   handles client's activate and deactivate request

*/

bool UsbMassStorageIndicator::handleClientRequest( RequestType type, 

        const QVariant &parameter)

{ 

    myDebug() << ">>> UsbMassStorageIndicator::handleClientRequest";

    Q_UNUSED(parameter);

    if (type == RequestDeactivate) {

        myDebug() << "    UsbMassStorageIndicator::handleClientRequest deactivate";

        mEjectStarted = false;

        emit deactivate();        

    }

    myDebug() << "<<< UsbMassStorageIndicator::handleClientRequest";

    return true;

}