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:  Declaration of class CWlanSettingsUiScanIntervalSettingItem.

    15 *

    16 */

    17  

    18 // INCLUDE FILES

    19 

    20 #include "wlansettingsui.hrh"

    21 #include "wlansettingsuimodel.h"

    22 #include "wlansettingsuiscanintervalsettingitem.h"

    23 

    24 #include <wlansettingsui.rsg>

    25 #include <AknQueryDialog.h>

    26 #include <StringLoader.h>

    27 #include <aknnotewrappers.h>

    28 

    29 // CONSTANTS

    30 

    31 /**

    32 * User defined scan interval minimum

    33 */

    34 const TInt KScanIntervalMin = EWlanSettingsUiScanNetworkMin;

    35 

    36 /**

    37 * User defined scan interval maximum

    38 */

    39 const TInt KScanIntervalMax = EWlanSettingsUiScanNetworkMax;

    40 

    41 

    42 // ================= MEMBER FUNCTIONS =======================

    43 

    44 // ---------------------------------------------------------------------------

    45 // CWlanSettingsUiScanIntervalSettingItem::

    46 //                                      CWlanSettingsUiScanIntervalSettingItem

    47 // ---------------------------------------------------------------------------

    48 //

    49 CWlanSettingsUiScanIntervalSettingItem::

    50     CWlanSettingsUiScanIntervalSettingItem( 

    51         TInt aResourceId, TInt& aListValue, TInt& aValue,

    52         CWlanSettingsUiModel* aModel ) : 

    53     CAknEnumeratedTextPopupSettingItem( aResourceId, aListValue ),

    54     iModel( aModel ),

    55     iValue( aValue ),

    56     iEnv( CEikonEnv::Static() ),

    57     iRevertBackToAutomaticScan( EFalse ) 

    58     {        

    59     };

    60 

    61 // ---------------------------------------------------------------------------

    62 // CWlanSettingsUiScanIntervalSettingItem::

    63 //                                     ~CWlanSettingsUiScanIntervalSettingItem

    64 // Destructor

    65 // ---------------------------------------------------------------------------

    66 //

    67 CWlanSettingsUiScanIntervalSettingItem::

    68     ~CWlanSettingsUiScanIntervalSettingItem()

    69     {

    70     iSettingText.Close();

    71     }

    72 

    73 // ---------------------------------------------------------------------------

    74 // CWlanSettingsUiScanIntervalSettingItem::SettingTextL

    75 // ---------------------------------------------------------------------------

    76 //

    77 const TDesC& CWlanSettingsUiScanIntervalSettingItem::SettingTextL()

    78     {

    79     HBufC* tempText;

    80     

    81     iSettingText.Close();

    82     

    83     if ( InternalValue() == EWlanSettingsUiScanNetworkAuto )

    84         {

    85         tempText = iEnv->AllocReadResourceL( R_WLAN_SETT_BG_SCAN_AUTO );

    86         }

    87     else

    88         {

    89         if ( iValue == 1 )

    90             {

    91             tempText = iEnv->AllocReadResourceL( R_WLAN_SETT_BG_SCAN_1_MIN );

    92             }

    93         else

    94             {

    95             tempText = StringLoader::LoadL( R_WLAN_SETT_BG_SCAN_X_MIN, iValue, iEnv );

    96             }

    97         }

    98     

    99     iSettingText.Assign( tempText );

   100     

   101     AknTextUtils::LanguageSpecificNumberConversion( iSettingText );

   102     

   103     return iSettingText;

   104     }

   105 

   106 // ---------------------------------------------------------------------------

   107 // CWlanSettingsUiScanIntervalSettingItem::EditItemL

   108 // ---------------------------------------------------------------------------

   109 //

   110 void CWlanSettingsUiScanIntervalSettingItem::EditItemL( TBool aCalledFromMenu )

   111     {

   112     CAknEnumeratedTextPopupSettingItem::EditItemL( aCalledFromMenu );

   113     

   114     if ( iRevertBackToAutomaticScan )

   115         {

   116         // Scan mode needs to be reverted back to automatic because we are

   117         // either in power saving mode or user cancelled the user-defined

   118         // scan interval query

   119         SetInternalValue( EWlanSettingsUiScanNetworkAuto );

   120         SetSelectedIndex( IndexFromValue( EWlanSettingsUiScanNetworkAuto ) );

   121         UpdateListBoxTextL();

   122         iRevertBackToAutomaticScan = EFalse;

   123         }

   124     }

   125 

   126 // ---------------------------------------------------------------------------

   127 // CWlanSettingsUiScanIntervalSettingItem::HandleSettingPageEventL

   128 // ---------------------------------------------------------------------------

   129 //

   130 void CWlanSettingsUiScanIntervalSettingItem::HandleSettingPageEventL(

   131         CAknSettingPage* aSettingPage,

   132         TAknSettingPageEvent aEventType )

   133     {

   134     if ( aEventType != EEventSettingCancelled )

   135         {

   136         CEikListBox* listBox = (CEikListBox*)aSettingPage->EditorControl();

   137         TInt index = listBox->CurrentItemIndex();

   138         

   139         if ( index == IndexFromValue( EWlanSettingsUiScanNetworkUserDef ) )

   140             {

   141             // User-defined scan interval selected

   142             if ( !iModel->PsmModeOn() )

   143                 {

   144                 if ( iValue == 0 )

   145                     {

   146                     // Set default scan interval for query dialog

   147                     iValue = KWlanSettingsUiDefaultUserDefScanInterval;

   148                     }

   149                 if ( ShowScanIntervalQueryL() == FALSE )

   150                     {

   151                     // Dialog was cancelled, revert back to automatic scan?

   152                     if ( InternalValue() == EWlanSettingsUiScanNetworkAuto )

   153                         {

   154                         // Previous selection was automatic, revert back to

   155                         // automatic

   156                         iRevertBackToAutomaticScan = ETrue;

   157                         }

   158                     }

   159                 }

   160             else

   161                 {

   162                 // We are in power saving mode, user-defined interval not allowed

   163                 ShowPowerSavingInfoNoteL();

   164                 iRevertBackToAutomaticScan = ETrue;

   165                 }

   166             }

   167         }

   168 

   169     CAknSettingItem::HandleSettingPageEventL(aSettingPage, aEventType);

   170     }

   171 

   172 // ---------------------------------------------------------------------------

   173 // CWlanSettingsUiScanIntervalSettingItem::ShowScanIntervalQueryL

   174 // ---------------------------------------------------------------------------

   175 //

   176 TBool CWlanSettingsUiScanIntervalSettingItem::ShowScanIntervalQueryL()

   177     {

   178     HBufC* msg = StringLoader::LoadLC( R_WLAN_PRMPT_BG_SCAN_INTERVAL );

   179 

   180     CAknNumberQueryDialog* dialog = CAknNumberQueryDialog::NewL( iValue );

   181     dialog->PrepareLC( R_WLAN_SETTINGS_UI_NUMBER_EDITOR_2 );

   182     dialog->SetPromptL( *msg );

   183     dialog->SetMinimumAndMaximum( KScanIntervalMin, KScanIntervalMax );

   184     TBool result = ( dialog->RunLD() == EAknSoftkeyOk );

   185     CleanupStack::PopAndDestroy( msg );

   186     return result; 

   187     }

   188 

   189 // ---------------------------------------------------------------------------

   190 // CWlanSettingsUiScanIntervalSettingItem::ShowPowerSavingInfoNoteL

   191 // ---------------------------------------------------------------------------

   192 //

   193 void CWlanSettingsUiScanIntervalSettingItem::ShowPowerSavingInfoNoteL()

   194     {

   195     HBufC* prompt = StringLoader::LoadLC(

   196         R_WLAN_SETTINGS_UI_POWER_SAVING_INFONOTE );

   197     CAknInformationNote* note = new ( ELeave ) CAknInformationNote( ETrue );

   198     note->ExecuteLD( *prompt );

   199     CleanupStack::PopAndDestroy( prompt );                    

   200     }