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  * WLAN Wizard Page: Scan processing.

    16  */

    17 

    18 // System includes

    19 #include <HbMainWindow>

    20 #include <HbDocumentLoader>

    21 #include <HbWidget>

    22 #include <HbLabel>

    23 #include <HbProgressBar>

    24 #include <QDebug>

    25 #include <cmmanagerdefines_shim.h>

    26 #include <wlanqtutils.h>

    27 #include <wlanqtutilsap.h>

    28 

    29 // User includes

    30 #include "wlanwizard_p.h"

    31 #include "wlanwizardpagescanning.h"

    32 #include "OstTraceDefinitions.h"

    33 #ifdef OST_TRACE_COMPILER_IN_USE

    34 #include "wlanwizardpagescanningTraces.h"

    35 #endif

    36 

    37 /*!

    38  * Constructor. Member initialization.

    39  */

    40 WlanWizardPageScanning::WlanWizardPageScanning(WlanWizardPrivate* parent) :

    41     WlanWizardPageInternal(parent),

    42     mWidget(NULL),

    43     mLabel(NULL),

    44     mBar(NULL),

    45     mLoader(NULL),

    46     mNextPageId(WlanWizardPage::PageNone),

    47     mScanResultsAvailable(false)

    48 {

    49     WlanQtUtils* utils = mWizard->wlanQtUtils();

    50 

    51     // Connect normal scan completion signal from wlanQtUtils to result

    52     // handler. Connect here instead of initializePage, since this signal may

    53     // need to be caught event if the window is not active.

    54     bool ok = connect(utils, SIGNAL(wlanScanApReady()), this,

    55         SLOT(wlanScanResultPreCheck()));

    56 }

    57 

    58 /*!

    59  * Destructor. Loader widget is deleted.

    60  * All document widgets are deleted by wlanwizard_p destructor.

    61  */

    62 WlanWizardPageScanning::~WlanWizardPageScanning()

    63 {

    64     delete mLoader;

    65 }

    66 

    67 /*!

    68  * Page initialization. If view is already loaded, does nothing.

    69  */

    70 HbWidget* WlanWizardPageScanning::initializePage()

    71 {

    72     OstTrace0( TRACE_NORMAL, WLANWIZARDPAGESCANNING_INITIALIZEPAGE,

    73         "WlanWizardPageScanning::initializePage" );

    74 

    75     // Next page id is reset with each initialization.    

    76     mNextPageId = WlanWizardPage::PageNone;

    77 

    78     if (mWidget == NULL) {

    79 

    80         mLoader = new HbDocumentLoader(mWizard->mainWindow());

    81 

    82         bool ok;

    83 

    84         mLoader->load(":/docml/occ_add_wlan_06.docml", &ok);

    85         Q_ASSERT_X(ok, "WlanWizardPageScanning", "Invalid docml file");

    86 

    87         // Initialize orientation

    88         loadDocml(mWizard->mainWindow()->orientation());

    89 

    90         // Load widgets

    91         mWidget = qobject_cast<HbWidget*> (mLoader->findWidget(

    92             "occ_add_wlan_06"));

    93         Q_ASSERT_X(mWidget != NULL, "WlanWizardPageScanning", "View not found");

    94 

    95         mLabel = qobject_cast<HbLabel*> (mLoader->findWidget("dialog"));

    96         Q_ASSERT_X(mLabel != NULL, "WlanWizardPageScanning",

    97             "textLabel not found");

    98 

    99         mBar = qobject_cast<HbProgressBar*> (mLoader->findWidget("progressBar"));

   100         Q_ASSERT_X(mBar != NULL, "WlanWizardPageScanning",

   101             "progressBar not found");

   102 

   103         WlanQtUtils* utils = mWizard->wlanQtUtils();

   104 

   105         // Connect orientation signal from the main window to orientation

   106         // loader.

   107         ok &= connect(mWizard->mainWindow(),

   108             SIGNAL(orientationChanged(Qt::Orientation)), this,

   109             SLOT(loadDocml(Qt::Orientation)));

   110 

   111         // Connect direct scan completion signal from wlanQtUtils to result

   112         // handler.

   113         ok &= connect(utils, SIGNAL(wlanScanDirectReady()), this,

   114             SLOT(wlanScanDirectReady()));

   115 

   116         Q_ASSERT(ok);

   117 

   118     }

   119 

   120     mLabel->setPlainText(hbTrId("txt_occ_dialog_searching").arg(

   121         mWizard->configuration(WlanWizardPrivate::ConfSsid).toString()));

   122 

   123     return mWidget;

   124 }

   125 

   126 /*!

   127  * Sends the user to the next page.

   128  */

   129 int WlanWizardPageScanning::nextId(bool &removeFromStack) const

   130 {

   131     removeFromStack = true;

   132 

   133     return mNextPageId;

   134 }

   135 

   136 /*!

   137  * Always false. Moving to next page is not done manually.

   138  * @see WlanWizardPage

   139  */

   140 bool WlanWizardPageScanning::showPage()

   141 {

   142     return false;

   143 }

   144 

   145 /*!

   146  * Loads the document orientation-specific parameters.

   147  */

   148 void WlanWizardPageScanning::loadDocml(Qt::Orientation orientation)

   149 {

   150     OstTrace1( TRACE_NORMAL, WLANWIZARDPAGESCANNING_LOADDOCML,

   151         "WlanWizardPageScanning::loadDocml - orientation ;orientation=%x",

   152         ( TUint )( orientation ) );

   153 

   154     bool ok;

   155     // Then load the orientation specific section

   156     if (orientation == Qt::Horizontal) {

   157         mLoader->load(":/docml/occ_add_wlan_06.docml", "landscape_section", &ok);

   158         Q_ASSERT(ok);

   159     } else {

   160         Q_ASSERT(orientation == Qt::Vertical);

   161         mLoader->load(":/docml/occ_add_wlan_06.docml", "portrait_section", &ok);

   162         Q_ASSERT(ok);

   163     }

   164 }

   165 

   166 void WlanWizardPageScanning::wlanScanResultPreCheck()

   167 {

   168     if (!mWidget) {

   169         OstTrace1( TRACE_BORDER, WLANWIZARDPAGESCANNING_WLANSCANRESULTPRECHECK,

   170             "WlanWizardPageScanning::wlanScanResultPreCheck no widget;this=%x",

   171             this );

   172 

   173         mScanResultsAvailable = true;

   174     }

   175     else {

   176         if (mWizard->isCurrentPage(mWidget)) {

   177             OstTrace0( TRACE_BORDER,

   178                 DUP1_WLANWIZARDPAGESCANNING_WLANSCANRESULTPRECHECK,

   179                 "WlanWizardPageScanning::wlanScanResultPreCheck go to results");

   180 

   181             wlanScanApReady();

   182         }

   183         else {

   184             OstTrace0( TRACE_BORDER,

   185                 DUP2_WLANWIZARDPAGESCANNING_WLANSCANRESULTPRECHECK,

   186                 "WlanWizardPageScanning::wlanScanResultPreCheck"

   187                 " not current widget" );

   188 

   189             mScanResultsAvailable = true;

   190         }

   191     }

   192 }

   193 

   194 /*!

   195  * Public networks did not reveal matches. Direct scan has been performed to

   196  * find out if the network is hidden but in range. If network is found, proceed

   197  * to next page according to scan results.

   198  * If nothing is found, proceed to manual network 

   199  * mode selection page.

   200  */

   201 void WlanWizardPageScanning::wlanScanDirectReady()

   202 {

   203     OstTrace0( TRACE_NORMAL, WLANWIZARDPAGESCANNING_WLANSCANDIRECTREADY,

   204         "WlanWizardPageScanning::wlanScanDirectReady" );

   205 

   206     WlanQtUtils* utils = mWizard->wlanQtUtils();

   207 

   208     Q_ASSERT(utils);

   209 

   210     QList<QSharedPointer<WlanQtUtilsAp> > wlanApList;

   211 

   212     utils->availableWlanAps(wlanApList);

   213 

   214     qDebug("WlanWizardPageScanning::wlanScanDirectReady - results read");

   215 

   216     QSharedPointer<WlanQtUtilsAp> item;

   217 

   218     qDebug("%d APs found", wlanApList.size());

   219     if(wlanApList.isEmpty()) {

   220         qDebug("Match not found. Go to manual settings.");

   221         mNextPageId = WlanWizardPageInternal::PageNetworkMode;

   222     }

   223     else {

   224         int strongestSignal = 0;

   225         int strongestIndex = 0;

   226 

   227         for (int i = 0; i < wlanApList.size(); i++) {

   228             // All direct scan results are matches. No need to compare ssids.

   229             // In case there are multiple matches to direct scan, use the

   230             // strongest signal on the result list.

   231             item = wlanApList.at(i);

   232             int str = item->value(WlanQtUtilsAp::ConfIdSignalStrength).toInt();

   233             if (str > strongestSignal) {

   234                 qDebug("Strongest signal %d at %d", str, i);

   235                 strongestSignal = str;

   236                 strongestIndex = i;

   237             }

   238         }

   239 

   240         item = wlanApList.at(strongestIndex);

   241         qDebug("Select AP at %d", strongestIndex);

   242         mNextPageId = mWizard->getNextPageId(

   243             item->value(WlanQtUtilsAp::ConfIdSsid).toString(),

   244             item->value(WlanQtUtilsAp::ConfIdConnectionMode).toInt(),

   245             item->value(WlanQtUtilsAp::ConfIdSecurityMode).toInt(),

   246             item->value(WlanQtUtilsAp::ConfIdWpaPskUse).toBool(),

   247             true, // hidden

   248             item->value(WlanQtUtilsAp::ConfIdWpsSupported).toBool());

   249     }

   250 

   251     mWizard->nextPage();

   252 

   253 }

   254 

   255 /*!

   256  * All wlan channels have been scanned for public networks. Now process the

   257  * results. If a network is found which matches the ssid set by the user,

   258  * proceed to next page according to the network attributes.

   259  * If no ssid match is found, proceed to a direct scan.

   260  */

   261 void WlanWizardPageScanning::wlanScanApReady()

   262 {

   263     OstTrace0( TRACE_NORMAL, WLANWIZARDPAGESCANNING_WLANSCANAPREADY,

   264         "WlanWizardPageScanning::wlanScanApReady" );

   265 

   266     WlanQtUtils* utils = mWizard->wlanQtUtils();

   267     Q_ASSERT(utils);

   268     

   269     QList<QSharedPointer<WlanQtUtilsAp> > wlanApList;

   270     

   271     // Fetch the list of scan results.

   272     utils->availableWlanAps(wlanApList);

   273 

   274     qDebug("WlanWizardPageScanning::wlanScanApReady - results read");

   275 

   276     QString ssid =

   277         mWizard->configuration(WlanWizardPrivate::ConfSsid).toString();

   278     qDebug() << "SSID scanned by user " << ssid;

   279 

   280     bool matchFound = false;

   281     int strongestSignal = -1;

   282     int strongestIndex = 0;

   283     QSharedPointer<WlanQtUtilsAp> item;

   284         

   285     qDebug("%d APs found", wlanApList.size());

   286 

   287     for (int i = 0; i < wlanApList.size(); i++) {

   288         // In case there are multiple matches to direct scan, use the

   289         // strongest signal on the result list.

   290         item = wlanApList.at(i);

   291         if (item->value(WlanQtUtilsAp::ConfIdSsid).toString() == ssid) {

   292             qDebug("Match found");

   293             matchFound = true;

   294 

   295             int str = item->value(WlanQtUtilsAp::ConfIdSignalStrength).toInt();

   296             if (str > strongestSignal) {

   297                 qDebug("Strongest signal %d at %d", str, i);

   298                 strongestSignal = str;

   299                 strongestIndex = i;

   300             }

   301         }

   302     }

   303 

   304     if (matchFound) {

   305         qDebug("Select AP at %d", strongestIndex);

   306         item = wlanApList.at(strongestIndex);

   307         mNextPageId = mWizard->getNextPageId(

   308             item->value(WlanQtUtilsAp::ConfIdSsid).toString(),

   309             item->value(WlanQtUtilsAp::ConfIdConnectionMode).toInt(),

   310             item->value(WlanQtUtilsAp::ConfIdSecurityMode).toInt(),

   311             item->value(WlanQtUtilsAp::ConfIdWpaPskUse).toBool(),

   312             false, // public

   313             item->value(WlanQtUtilsAp::ConfIdWpsSupported).toBool());

   314         // The ssid indicated by the user was found. Proceed to next page.

   315         mWizard->nextPage();

   316     }

   317     else {

   318         qDebug("Match not found. Perform direct scan.");

   319         utils->scanWlanDirect(ssid);

   320     }

   321 

   322 }

   323 

   324 /*!

   325  * Overloaded function from WlanWizardPage. Indicates that this window requires

   326  * post-initialization start operations.

   327  */

   328 bool WlanWizardPageScanning::requiresStartOperation()

   329 {

   330     return true;

   331 }

   332 

   333 /*!

   334  * Wlan scan is performed as a "post-initialization" which is executed in a

   335  * separate scheduler loop.

   336  */

   337 void WlanWizardPageScanning::startOperation()

   338 {

   339     OstTrace0( TRACE_NORMAL, WLANWIZARDPAGESCANNING_STARTOPERATION,

   340         "WlanWizardPageScanning::startOperation - start AP scan if results"

   341         " are available." );

   342 

   343     if (mScanResultsAvailable) {

   344         mScanResultsAvailable = false;

   345         wlanScanApReady();

   346     }

   347 }

   348