1 /*

     2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: USB Mass Storage indicator implementation 

    15 *

    16 */

    17 

    18 #include "usbmassstorageindicator.h" 

    19 #include <QVariant>

    20 #include <e32uid.h>

    21 #include <apadef.h>

    22 #include <usb/hostms/msmmindicatorclient.h>

    23 #include "usbdebug.h"

    24 

    25 // icon name for mass storage

    26 const QString KUsbIconFile("qtg_large_usb_memory");

    27 

    28 /*!

    29    Constructor

    30    @param indicatorType The indicator type name

    31 */ 

    32 UsbMassStorageIndicator::UsbMassStorageIndicator(const QString &indicatorType) :

    33 HbIndicatorInterface(indicatorType,

    34         HbIndicatorInterface::SettingCategory,

    35         InteractionActivated),

    36         mEjectStarted(false)

    37 {

    38 }

    39 

    40 /*!

    41    Destructor

    42 */

    43 UsbMassStorageIndicator::~UsbMassStorageIndicator()

    44 {

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

    46 }

    47 

    48 

    49 /*!

    50    Handle user interaction

    51    Request eject for all USB drives.

    52 */

    53 bool UsbMassStorageIndicator::handleInteraction(InteractionType type)

    54 {

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

    56     bool handled = false;

    57     if (type == InteractionActivated) {

    58         if (!mEjectStarted) {

    59             mEjectStarted = true;

    60             // dismount all drives without waiting for result

    61             RHostMassStorage hostMassStorage;

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

    63             TInt err = hostMassStorage.Connect();

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

    65             if (err == KErrNone) {

    66                 hostMassStorage.EjectUsbDrives();

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

    68             }

    69             else {

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

    71                         <<"RHostMassStorage Connect fail " << err;

    72             }

    73             hostMassStorage.Disconnect();

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

    75             hostMassStorage.Close();

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

    77         }

    78         handled = true;                

    79     }

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

    81     return handled;

    82 }

    83 

    84 /*!

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

    86 */

    87 QVariant UsbMassStorageIndicator::indicatorData(int role) const

    88 {

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

    90     switch (role) {

    91         case PrimaryTextRole: 

    92             return QString(hbTrId("txt_usb_dblist_usb_connected"));

    93         case SecondaryTextRole:

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

    95         case DecorationNameRole:

    96             return KUsbIconFile;

    97         default: 

    98             return QVariant(); //empty variant      

    99     }

   100 }

   101 

   102 /*!

   103    USBIndicator::handleClientRequest

   104    handles client's activate and deactivate request

   105 */

   106 bool UsbMassStorageIndicator::handleClientRequest( RequestType type, 

   107         const QVariant &parameter)

   108 { 

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

   110     Q_UNUSED(parameter);

   111     if (type == RequestDeactivate) {

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

   113         mEjectStarted = false;

   114         emit deactivate();        

   115     }

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

   117     return true;

   118 }