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:  

    15 *

    16 */

    17 

    18 // System includes

    19 

    20 #include <xqsettingsmanager.h>

    21 #include <xqsettingskey.h>

    22 #include <psmsrvdomaincrkeys.h>

    23 #include <psmtypes.h>

    24 

    25 // User includes

    26 

    27 #include "wlansettings_s60_p.h"

    28 #include "wlansettings.h"

    29 

    30 #include "OstTraceDefinitions.h"

    31 #ifdef OST_TRACE_COMPILER_IN_USE

    32 #include "wlansettingsTraces.h"

    33 #endif

    34 

    35 /*!

    36    \class WlanSettings

    37    \brief WlanSettings is a wrapper class for CWlanSettingsImpl.

    38 */

    39 

    40 // External function prototypes

    41 

    42 // Local constants

    43 

    44 //! Device Power Saving Mode setting key

    45 static const XQSettingsKey devicePowerSavingKey(

    46     XQSettingsKey::TargetCentralRepository,

    47     KCRUidPowerSaveMode.iUid, 

    48     KPsmCurrentMode);

    49     

    50 // ======== MEMBER FUNCTIONS ========

    51 

    52 /*!

    53     Constructor.

    54 */

    55 

    56 WlanSettings::WlanSettings() :

    57     QObject(),

    58     mSettingsManager(new XQSettingsManager(this)),

    59     mDevicePowerSavingMode(0),

    60     mDevicePowerSavingModeUpToDate(false)

    61 {

    62     OstTraceFunctionEntry0( WLANSETTINGS_WLANSETTINGS_ENTRY );

    63     OstTraceFunctionExit0( WLANSETTINGS_WLANSETTINGS_EXIT );

    64 }

    65 

    66 /*!

    67     Destructor.

    68 */

    69 

    70 WlanSettings::~WlanSettings()

    71 {

    72     OstTraceFunctionEntry0( DUP1_WLANSETTINGS_WLANSETTINGS_ENTRY );

    73 

    74     delete d_ptr;

    75     

    76     OstTraceFunctionExit0( DUP1_WLANSETTINGS_WLANSETTINGS_EXIT );

    77 }

    78 

    79 /*!

    80     Creates the CWlanSettingsImpl object for reading/writing settings.

    81     \return Error code.

    82 */

    83 

    84 int WlanSettings::init()

    85 {

    86     OstTraceFunctionEntry0( WLANSETTINGS_INIT_ENTRY );

    87     

    88     // Listen for changes in the key value

    89     bool connectStatus = connect(

    90         mSettingsManager,

    91         SIGNAL(valueChanged(XQSettingsKey, QVariant)),

    92         this,

    93         SLOT(devicePowerSavingKeyChanged()));

    94     Q_ASSERT(connectStatus);

    95     mSettingsManager->startMonitoring(devicePowerSavingKey);

    96     

    97     TRAPD(error,(d_ptr = CWlanSettingsPrivate::NewL(this)));

    98     

    99     OstTraceFunctionExit0( WLANSETTINGS_INIT_EXIT );

   100     return error;

   101 }

   102 

   103 /*!

   104     Reads the value of the Device Power Saving Mode setting.

   105 */

   106 

   107 void WlanSettings::readDevicePowerSavingKey()

   108 {

   109     OstTraceFunctionEntry0( WLANSETTINGS_READDEVICEPOWERSAVINGKEY_ENTRY );

   110     

   111     mDevicePowerSavingMode = 

   112         mSettingsManager->readItemValue(devicePowerSavingKey).toInt();

   113 

   114     mDevicePowerSavingModeUpToDate = true;

   115     

   116     OstTrace1(

   117         TRACE_NORMAL,

   118         WLANSETTINGS_READDEVICEPOWERSAVINGKEY,

   119         "WlanSettings::readDevicePowerSavingKey;powerSaving=%d",

   120         mDevicePowerSavingMode );

   121 

   122     OstTraceFunctionExit0( WLANSETTINGS_READDEVICEPOWERSAVINGKEY_EXIT );

   123 }

   124 

   125 /*!

   126     Slot for handling updates in the Device Power Saving Mode setting.

   127 */

   128 

   129 void WlanSettings::devicePowerSavingKeyChanged()

   130 {

   131     OstTraceFunctionEntry0( WLANSETTINGS_DEVICEPOWERSAVINGKEYCHANGED_ENTRY );

   132     

   133     // Remember that we need to read the setting value again before

   134     // using it, and notify UI of the change.

   135     mDevicePowerSavingModeUpToDate = false;

   136     emit devicePowerSavingUpdated();

   137     

   138     OstTraceFunctionExit0( WLANSETTINGS_DEVICEPOWERSAVINGKEYCHANGED_EXIT );

   139 }

   140 

   141 /*!

   142     Reads the WLAN setting values.

   143     \return Error code.

   144 */

   145 

   146 int WlanSettings::loadSettings()

   147 {

   148     OstTraceFunctionEntry0( WLANSETTINGS_LOADSETTINGS_ENTRY );

   149     

   150     TRAPD(error, d_ptr->LoadDBSettingsL());

   151     

   152     OstTrace1(

   153         TRACE_NORMAL,

   154         WLANSETTINGS_LOADSETTINGS,

   155         "WlanSettings::loadSettings;error=%d",

   156         error );

   157     

   158     OstTraceFunctionExit0( WLANSETTINGS_LOADSETTINGS_EXIT );

   159     return error;

   160 }

   161 

   162 /*!

   163     Function to get the scan network type.

   164     \return ScanNetworkType which is automatic or user-defined.

   165 */

   166 

   167 WlanSettings::ScanNetworkType WlanSettings::scanNetworkType()

   168 {

   169     OstTraceFunctionEntry0( WLANSETTINGS_SCANNETWORKTYPE_ENTRY );

   170     

   171     ScanNetworkType scanType;

   172     if (d_ptr->ScanInterval() == ScanNetworkAuto) {

   173         scanType = EScanNetworkAuto;

   174     } else {

   175         scanType = EScanNetworkUserDefined;

   176     }

   177     

   178     OstTrace1(

   179         TRACE_NORMAL,

   180         WLANSETTINGS_SCANNETWORKTYPE,

   181         "WlanSettings::scanNetworkType;scanType=%d",

   182         scanType );

   183     

   184     OstTraceFunctionExit0( WLANSETTINGS_SCANNETWORKTYPE_EXIT );

   185     return scanType;

   186 }

   187 

   188 /*!

   189     Function to get the scan interval.

   190     \return Scan interval  in minutes.

   191 */

   192 

   193 uint WlanSettings::scanInterval()

   194 {

   195     OstTraceFunctionEntry0( WLANSETTINGS_SCANINTERVAL_ENTRY );

   196     

   197     uint scanInterval = d_ptr->ScanInterval();

   198     

   199     OstTrace1(

   200         TRACE_NORMAL,

   201         WLANSETTINGS_SCANINTERVAL,

   202         "WlanSettings::scanInterval;scanInterval=%u",

   203         scanInterval );

   204     

   205     OstTraceFunctionExit0( WLANSETTINGS_SCANINTERVAL_EXIT );

   206     return scanInterval;

   207 }

   208 

   209 /*!

   210     Function to get Wlan Power Saving Option.

   211     \return True if Power Saving option is enabled, otherwise False.

   212 */

   213 

   214 bool WlanSettings::isWlanPowerSavingEnabled() const

   215 {

   216     OstTraceFunctionEntry0( WLANSETTINGS_ISWLANPOWERSAVINGENABLED_ENTRY );

   217     OstTraceFunctionExit0( WLANSETTINGS_ISWLANPOWERSAVINGENABLED_EXIT );

   218     return d_ptr->PowerSaving();

   219 }

   220 

   221 /*!

   222     Function to set Power Saving Option.

   223     \param powerSavingOption True to enable or false to disable power saving option. 

   224     \return Error code.

   225 */

   226 

   227 int WlanSettings::setWlanPowerSaving(int powerSavingOption)

   228 {

   229     OstTraceFunctionEntry0( WLANSETTINGS_SETWLANPOWERSAVING_ENTRY );

   230     

   231     d_ptr->SetPowerSaving(powerSavingOption);

   232     TRAPD(error, d_ptr->SaveDBSettingsL(CWlanSettingsPrivate::EWlanPowerSaving));

   233 

   234     OstTraceFunctionExit0( WLANSETTINGS_SETWLANPOWERSAVING_EXIT );

   235     return error;

   236 }

   237 

   238 /*!

   239     Function to set Scan interval.

   240     \param scanInterval Scan interval in minutes. 

   241     \return Error code.

   242 */

   243 

   244 int WlanSettings::setWlanScanInterval(uint scanInterval)

   245 {

   246     OstTraceFunctionEntry0( WLANSETTINGS_SETWLANSCANINTERVAL_ENTRY );

   247     

   248     d_ptr->SetScanInterval(scanInterval);

   249     TRAPD(error, d_ptr->SaveDBSettingsL(CWlanSettingsPrivate::EWlanScanInterval));

   250 

   251     OstTraceFunctionExit0( WLANSETTINGS_SETWLANSCANINTERVAL_EXIT );

   252     return error;

   253 }

   254 

   255 /*!

   256     Function to get Join WLAN networks option.

   257     \return 0 for Known, 1 for Manual.

   258 */

   259 

   260 int WlanSettings::joinWlanMode() const

   261 {

   262     OstTraceFunctionEntry0( WLANSETTINGS_JOINWLANMODE_ENTRY );

   263     OstTraceFunctionExit0( WLANSETTINGS_JOINWLANMODE_EXIT );

   264     return d_ptr->JoinWlanMode();

   265 }

   266 

   267 /*!

   268     Function to set Join WLAN networks option.

   269     \param mode 0 for Known, 1 for Manual. 

   270     \return Error code.

   271 */

   272 

   273 int WlanSettings::setJoinWlanMode(int mode)

   274 {

   275     OstTraceFunctionEntry0( WLANSETTINGS_SETJOINWLANMODE_ENTRY );

   276     

   277     TRAPD(error, d_ptr->SaveJoinWlanSettingL(mode));

   278     

   279     OstTraceFunctionExit0( WLANSETTINGS_SETJOINWLANMODE_EXIT );

   280     return error;

   281 }

   282 

   283 /*!

   284     Function to get Power Saving status of the device.

   285     \return True if Power Saving is enabled.

   286 */

   287 

   288 bool WlanSettings::isDevicePowerSavingEnabled()

   289 {

   290     OstTraceFunctionEntry0( WLANSETTINGS_ISDEVICEPOWERSAVINGENABLED_ENTRY );

   291     

   292     if (!mDevicePowerSavingModeUpToDate) {

   293         readDevicePowerSavingKey();

   294     }

   295     if (mDevicePowerSavingMode == EPsmsrvModeNormal) {

   296         OstTraceFunctionExit0( WLANSETTINGS_ISDEVICEPOWERSAVINGENABLED_EXIT );

   297         return false;

   298     } else {

   299         OstTraceFunctionExit0( DUP1_WLANSETTINGS_ISDEVICEPOWERSAVINGENABLED_EXIT );

   300         return true;

   301     }

   302 }