1 /*

     2 * Copyright (c) 2009 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:

    15 * WLAN Status Info wrapper for WLAN entry plugin.

    16 */

    17 

    18 // System includes

    19 

    20 #include <HbGlobal>

    21 #include <xqsettingsmanager.h>

    22 #include <wlandevicesettingsinternalcrkeys.h>

    23 

    24 // User includes

    25 

    26 #include "wlanqtutils.h"

    27 

    28 #include "wlanstatusinfo.h"

    29 

    30 #include "OstTraceDefinitions.h"

    31 #ifdef OST_TRACE_COMPILER_IN_USE

    32 #include "wlanstatusinfoTraces.h"

    33 #endif

    34 

    35 /*!

    36     \class WlanStatusInfo

    37     \brief Class for maintaining and updating the WLAN status for the WLAN 

    38            Status Control Panel Plugin.

    39 */

    40 

    41 // External function prototypes

    42 

    43 // Local constants

    44 

    45 //! Master WLAN ON/OFF setting key

    46 static const XQSettingsKey masterWlanKey(

    47     XQSettingsKey::TargetCentralRepository,

    48     KCRUidWlanDeviceSettingsRegistryId.iUid, 

    49     KWlanOnOff);

    50     

    51 //! WLAN  forced OFF setting key

    52 static const XQSettingsKey wlanForceKey(

    53     XQSettingsKey::TargetCentralRepository,

    54     KCRUidWlanDeviceSettingsRegistryId.iUid, 

    55     KWlanForceDisable);

    56 

    57 // ======== LOCAL FUNCTIONS ========

    58 

    59 // ======== MEMBER FUNCTIONS ========

    60 

    61 /*!

    62     Constructor.

    63 */

    64 

    65 WlanStatusInfo::WlanStatusInfo(QObject *parent) :

    66     QObject(parent),

    67     mWlanQtUtils(new WlanQtUtils()),

    68     mSettingsManager(new XQSettingsManager(this)),

    69     mStatusText(""),

    70     mStatus(WlanStatusOff)

    71 {

    72     OstTraceFunctionEntry0(WLANSTATUSINFO_WLANSTATUSINFO_ENTRY);

    73     

    74     // Listen for WLAN ON/OFF switching

    75     bool connectStatus = connect(

    76         mSettingsManager, 

    77         SIGNAL(valueChanged(XQSettingsKey, QVariant)),

    78         this, 

    79         SLOT(updateStatus()));

    80     Q_ASSERT(connectStatus);

    81     mSettingsManager->startMonitoring(masterWlanKey);

    82     mSettingsManager->startMonitoring(wlanForceKey);

    83 

    84     // Listen for WLAN connection statuses

    85     connectStatus = connect(

    86         mWlanQtUtils,

    87         SIGNAL(wlanNetworkOpened(int)),

    88         this,

    89         SLOT(updateStatus()));

    90     Q_ASSERT(connectStatus == true);

    91     connectStatus = connect(

    92         mWlanQtUtils,

    93         SIGNAL(wlanNetworkClosed(int, int)),

    94         this,

    95         SLOT(updateStatus()));

    96     Q_ASSERT(connectStatus == true);

    97     

    98     // Set initial status

    99     updateStatus();

   100     

   101     OstTraceFunctionExit0(WLANSTATUSINFO_WLANSTATUSINFO_EXIT);

   102 }

   103 

   104 /*!

   105     Destructor.

   106 */

   107 

   108 WlanStatusInfo::~WlanStatusInfo()

   109 {

   110     OstTraceFunctionEntry0(DUP1_WLANSTATUSINFO_WLANSTATUSINFO_ENTRY);

   111     

   112     delete mWlanQtUtils;

   113     

   114     OstTraceFunctionExit0(DUP1_WLANSTATUSINFO_WLANSTATUSINFO_EXIT);

   115 }

   116 

   117 /*!

   118     Function for getting current WLAN status value (WlanStatusInfo::WlanStatus*).

   119 */

   120 

   121 int WlanStatusInfo::status() const

   122 {

   123     OstTraceFunctionEntry0(WLANSTATUSINFO_STATUS_ENTRY);    

   124     OstTraceFunctionExit0(WLANSTATUSINFO_STATUS_EXIT);

   125     return mStatus;

   126 }

   127 

   128 /*!

   129     Returns the current WLAN status text.

   130 */

   131 

   132 QString WlanStatusInfo::statusText() const

   133 {

   134     OstTraceFunctionEntry0(WLANSTATUSINFO_STATUSTEXT_ENTRY);

   135     OstTraceFunctionExit0(WLANSTATUSINFO_STATUSTEXT_EXIT);

   136     return mStatusText;

   137 }

   138 

   139 /*!

   140     Function for checking if WLAN is ON.

   141     WLAN is enabled if the WLAN OnOff key is true and the force disable

   142     wlan key is false.

   143     

   144     @return Returns true if WLAN is ON.

   145 */

   146 

   147 bool WlanStatusInfo::isWlanOn() const

   148 {

   149     OstTraceFunctionEntry0(WLANSTATUSINFO_ISWLANON_ENTRY);

   150 

   151     bool wlanOn = mSettingsManager->readItemValue(masterWlanKey).toBool();

   152     bool forcedOff = mSettingsManager->readItemValue(wlanForceKey).toBool();

   153 

   154     OstTraceExt2(

   155         TRACE_NORMAL,

   156         WLANSTATUSINFO_ISWLANON,

   157         "WlanStatusInfo::isWlanOn;wlanOn=%hhu;forcedOff=%hhu",

   158         wlanOn,

   159         forcedOff);

   160     

   161     OstTraceFunctionExit0(WLANSTATUSINFO_ISWLANON_EXIT);

   162     return wlanOn && !forcedOff;

   163 }

   164 

   165 /*!

   166     Slot used for updating the WLAN status.

   167 */

   168 

   169 void WlanStatusInfo::updateStatus()

   170 {

   171     OstTraceFunctionEntry0(WLANSTATUSINFO_UPDATESTATUS_ENTRY);

   172 

   173     // Backup old status to detect changes

   174     QString oldStatusText = mStatusText;

   175 

   176     // Figure out current WLAN status

   177     if (!isWlanOn()) {

   178         // WLAN is switched OFF.

   179         mStatus = WlanStatusOff;

   180         mStatusText = hbTrId("txt_occ_dblist_wireless_lan_val_off");

   181     } else if (mWlanQtUtils->connectionStatus() == WlanQtUtils::ConnStatusConnected) { 

   182         mStatus = WlanStatusConnected;

   183         mStatusText = mWlanQtUtils->iapName(mWlanQtUtils->activeIap());

   184     } else {

   185         mStatus = WlanStatusIdle;

   186         mStatusText = hbTrId("txt_occ_dblist_wireless_lan_val_wlan_is_on");

   187     }

   188 

   189     // Inform about update if the status really changed.

   190     if (oldStatusText != mStatusText) {

   191         emit statusUpdated();

   192     }

   193     

   194     OstTraceFunctionExit0(WLANSTATUSINFO_UPDATESTATUS_EXIT);

   195 }