wlanutilities/wpswizard/src/wpswizardstepthreenumber.cpp
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     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  *   WPS Wizard Page: Step 3 Number enter mode.
       
    16  *
       
    17  */
       
    18 
       
    19 // System includes
       
    20 #include <HbDocumentLoader>
       
    21 #include <HbWidget>
       
    22 #include <HbRadiobuttonList>
       
    23 #include <HbLineEdit>
       
    24 #include <HbLabel>
       
    25 #include <QTextStream>
       
    26 #include <QTime>
       
    27 #include <HbMainWindow>
       
    28 
       
    29 // User includes
       
    30 #include "wpswizardstepthreenumber.h"
       
    31 #include "wpswizard_p.h"
       
    32 
       
    33 // Trace includes
       
    34 #include "OstTraceDefinitions.h"
       
    35 #ifdef OST_TRACE_COMPILER_IN_USE
       
    36 #include "wpswizardstepthreenumberTraces.h"
       
    37 #endif
       
    38 
       
    39 // External function prototypes
       
    40 
       
    41 // Local constants
       
    42 const static int KMaxPINLength = 8;
       
    43 
       
    44 /*!
       
    45    \class WpsPageStepThreeNumber
       
    46    \brief Implementation of wps wizard page for step three PIN Entry mode. 
       
    47  */
       
    48 
       
    49 // ======== LOCAL FUNCTIONS ========
       
    50 
       
    51 // ======== MEMBER FUNCTIONS ========
       
    52 
       
    53 /*!
       
    54    Constructor for WPS page three number entry mode
       
    55    
       
    56    @param [in] parent Pointer to the WPS wizard private implementation 
       
    57  */
       
    58 WpsPageStepThreeNumber::WpsPageStepThreeNumber(WpsWizardPrivate* parent) :
       
    59     WpsWizardPage(parent), 
       
    60     mWidget(NULL), 
       
    61     mHeading(NULL),
       
    62     mLoader(NULL)
       
    63 {
       
    64     OstTraceFunctionEntry1(WPSPAGESTEPTHREENUMBER_WPSPAGESTEPTHREENUMBER_ENTRY, this); 
       
    65     OstTraceFunctionExit1(WPSPAGESTEPTHREENUMBER_WPSPAGESTEPTHREENUMBER_EXIT, this);
       
    66 
       
    67 }
       
    68 
       
    69 /*!
       
    70    Destructor
       
    71  */
       
    72 WpsPageStepThreeNumber::~WpsPageStepThreeNumber()
       
    73 {
       
    74     OstTraceFunctionEntry1(WPSPAGESTEPTHREENUMBER_WPSPAGESTEPTHREENUMBER_DESTRUCTOR_ENTRY, this);
       
    75     delete mLoader;
       
    76     OstTraceFunctionExit1(WPSPAGESTEPTHREENUMBER_WPSPAGESTEPTHREENUMBER_DESTRUCTOR_EXIT, this);
       
    77 }
       
    78 
       
    79 /*!
       
    80    Loads the page with all the widgets
       
    81    
       
    82    @return HbWidget* Returns the view widget
       
    83  */
       
    84 HbWidget* WpsPageStepThreeNumber::initializePage()
       
    85 {
       
    86     OstTraceFunctionEntry1(WPSPAGESTEPTHREENUMBER_INITIALIZEPAGE_ENTRY, this);
       
    87 
       
    88     if (!mWidget) {
       
    89         bool ok;
       
    90         mLoader = new HbDocumentLoader(mWizard->mainWindow());
       
    91         
       
    92         mLoader->load(":/docml/occ_wps_02_03.docml", &ok);
       
    93         Q_ASSERT(ok);
       
    94         
       
    95         // Initialize orientation
       
    96         loadDocmlSection(mWizard->mainWindow()->orientation());
       
    97 
       
    98         mWidget = qobject_cast<HbWidget*> (mLoader->findWidget("occ_wps_P2"));
       
    99         Q_ASSERT(mWidget);
       
   100 
       
   101         mHeading= qobject_cast<HbLabel*> (mLoader->findWidget("label_heading"));
       
   102         Q_ASSERT(mHeading);
       
   103         
       
   104         bool connectOk = connect(
       
   105             mWizard->mainWindow(), 
       
   106             SIGNAL(orientationChanged(Qt::Orientation)),
       
   107             this, 
       
   108             SLOT(loadDocmlSection(Qt::Orientation)));
       
   109         Q_ASSERT(connectOk);
       
   110     } 
       
   111     
       
   112     OstTraceFunctionExit1(WPSPAGESTEPTHREENUMBER_INITIALIZEPAGE_EXIT, this);
       
   113 
       
   114     return mWidget;
       
   115 }
       
   116 
       
   117 /*!
       
   118    Funtion to determine the next page to be displayed in the wizard process
       
   119    
       
   120    @param [out] removeFromStack bool indicating whether the current page should be 
       
   121    removed from the stack
       
   122    
       
   123    @return int Page Id of the next page to be displayed.
       
   124  */
       
   125 int WpsPageStepThreeNumber::nextId(bool &removeFromStack) const
       
   126 {
       
   127     OstTraceFunctionEntry1(WPSPAGESTEPTHREENUMBER_NEXTID_ENTRY, this);
       
   128     removeFromStack = false;
       
   129     OstTraceFunctionExit1(WPSPAGESTEPTHREENUMBER_NEXTID_EXIT, this);
       
   130 
       
   131     return WpsWizardPage::PageWpsWizardStep4;
       
   132 }
       
   133 
       
   134 /*!
       
   135    Determines the Number of steps to move backwards when 'Prev' Button
       
   136    is clicked
       
   137    
       
   138    @return int Number of pages to move backwards
       
   139  */
       
   140 int WpsPageStepThreeNumber::previousTriggered()
       
   141 {
       
   142     OstTraceFunctionEntry1(WPSPAGESTEPTHREENUMBER_PREVIOUSTRIGGERED_ENTRY, this);
       
   143     
       
   144     mWizard->setPin(0);
       
   145     
       
   146     OstTraceFunctionExit1(WPSPAGESTEPTHREENUMBER_PREVIOUSTRIGGERED_EXIT, this);
       
   147     return (PageWpsWizardStep3_Number - PageWpsWizardStep2) - 1;
       
   148 }
       
   149 
       
   150 /*!
       
   151    CallBack when the cancel button is clicked
       
   152  */
       
   153 void WpsPageStepThreeNumber::cancelTriggered()
       
   154 {
       
   155     OstTraceFunctionEntry1(WPSPAGESTEPTHREENUMBER_CANCELTRIGGERED_ENTRY, this);
       
   156     mWizard->setPin(0);    
       
   157     OstTraceFunctionExit1(WPSPAGESTEPTHREENUMBER_CANCELTRIGGERED_EXIT, this);
       
   158 }
       
   159 
       
   160 
       
   161 /*!
       
   162    Determines whether the Next action button should be enabled or not
       
   163    
       
   164    @return bool Indicating whether next button is enabled or not.
       
   165  */
       
   166 bool WpsPageStepThreeNumber::showPage()
       
   167 {
       
   168     int randomNumber = computeRandNumber();
       
   169     mHeading->setPlainText(hbTrId(
       
   170             "txt_occ_dialog_enter_1_on_the_wireless_station_t").arg(
       
   171             randomNumber));
       
   172     mWizard->setPin(randomNumber);
       
   173     return true;
       
   174 }
       
   175 
       
   176 /*!
       
   177    Computes the Random number based on current system time
       
   178    
       
   179    @return int Returns the generated random number
       
   180  */
       
   181 int WpsPageStepThreeNumber::computeRandNumber()
       
   182 {
       
   183     OstTraceFunctionEntry1(WPSPAGESTEPTHREENUMBER_COMPUTERANDNUMBER_ENTRY, this);
       
   184 
       
   185     int pin = 0;
       
   186     QTime time(0, 0);
       
   187     int seed = time.secsTo(QTime::currentTime());
       
   188     
       
   189     do {
       
   190         qsrand(seed);
       
   191         pin = qrand();
       
   192     } while (pin < (10 ^ (KMaxPINLength - 2)) || (((pin / 1000000) % 10)) == 0);
       
   193     
       
   194     //last digit is checksum, so we need 7 digits
       
   195     //and the first shouldn't be 0
       
   196     pin = pin % 10000000;
       
   197     int checkSum = computeCheckSum(pin);
       
   198     pin *= 10;
       
   199     pin += checkSum;
       
   200     
       
   201     OstTraceFunctionExit1(WPSPAGESTEPTHREENUMBER_COMPUTERANDNUMBER_EXIT, this);
       
   202     return pin;
       
   203 }
       
   204 
       
   205 /*!
       
   206    Computes the checksum for a given pin
       
   207    
       
   208    @return Returns the generated checksum
       
   209  */
       
   210 int WpsPageStepThreeNumber::computeCheckSum(int aPin)
       
   211 {
       
   212     OstTraceFunctionEntry1(WPSPAGESTEPTHREENUMBER_COMPUTECHECKSUM_ENTRY, this);
       
   213 
       
   214     int accum = 0;
       
   215     aPin *= 10;
       
   216     accum += 3 * ((aPin / 10000000) % 10);
       
   217     accum += 1 * ((aPin / 1000000) % 10);
       
   218     accum += 3 * ((aPin / 100000) % 10);
       
   219     accum += 1 * ((aPin / 10000) % 10);
       
   220     accum += 3 * ((aPin / 1000) % 10);
       
   221     accum += 1 * ((aPin / 100) % 10);
       
   222     accum += 3 * ((aPin / 10) % 10);
       
   223     int digit = (accum % 10);
       
   224     OstTraceFunctionExit1(WPSPAGESTEPTHREENUMBER_COMPUTECHECKSUM_EXIT, this);
       
   225     return (10 - digit) % 10;
       
   226 }
       
   227 
       
   228 /*!
       
   229    Loads docml at initialization phase and when HbMainWindow sends 
       
   230    orientation() signal.
       
   231    
       
   232    @param [in] orientation orientation to be loaded.
       
   233  */
       
   234 void WpsPageStepThreeNumber::loadDocmlSection(Qt::Orientation orientation)
       
   235 {
       
   236     bool ok = false;
       
   237 
       
   238     // Load the orientation specific section
       
   239     if (orientation == Qt::Horizontal) {
       
   240         mLoader->load(":/docml/occ_wps_02_03.docml", "landscape", &ok);
       
   241         Q_ASSERT(ok);
       
   242     } else {
       
   243         Q_ASSERT(orientation == Qt::Vertical);
       
   244         mLoader->load(":/docml/occ_wps_02_03.docml", "portrait", &ok);
       
   245         Q_ASSERT(ok);
       
   246     }
       
   247 }
       
   248