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:Implementation of the Positioning Settings Advanced View class 

    15  *

    16  */

    17 

    18 #include "possettingsadvview.h"

    19 #include "possettingspluginsloader.h"

    20 #include "possettingsgroupboxitem.h"

    21 #include <QDebug>

    22 #include <QFileSystemWatcher>

    23 

    24 #ifdef Q_OS_SYMBIAN

    25 #define PLUGIN_PATH QString("\\resource\\qt\\plugins\\positioningsettings")

    26 

    27 #else

    28 #define PLUGIN_PATH QString("C:\\qt\\plugins\\positioningsettings")

    29 #endif 

    30 

    31 //---------------------------------------------------------------------

    32 // PosSettingsAdvView::PosSettingsAdvView()

    33 // Constructor

    34 //---------------------------------------------------------------------

    35 PosSettingsAdvView::PosSettingsAdvView( QGraphicsItem *parent ):

    36 CpBaseSettingView(0,parent)

    37     {

    38     qDebug() << "+ PosSettingsAdvView::PosSettingsAdvView()";

    39     // create instance of HbDataForm

    40     mAdvancedDataForm = new HbDataForm();

    41     

    42     // Create an instance of HbDataFormModel

    43     HbDataFormModel* advancedDataFormModel = new HbDataFormModel();

    44 

    45     // set the model

    46     mAdvancedDataForm->setModel( advancedDataFormModel );

    47 

    48     // set the Advanced settings form for this view

    49     this->setWidget( mAdvancedDataForm );

    50     

    51     //set prototype for custom controls

    52     QList<HbAbstractViewItem *> protoTypeList = mAdvancedDataForm->itemPrototypes();

    53     protoTypeList.append(new PosSettingsGroupboxItem(this));  

    54     mAdvancedDataForm->setItemPrototypes(protoTypeList);

    55     

    56     //Heading                   

    57      mHeading = advancedDataFormModel->appendDataFormItem(static_cast<HbDataFormModelItem::DataItemType>(GroupboxItem),

    58                                                    QString(),

    59                                                    advancedDataFormModel->invisibleRootItem());

    60      mHeading->setContentWidgetData("heading",

    61                                 hbTrId("txt_loe_subtitle_advanced_positioning_settings"));

    62 

    63     

    64     

    65     // Create an instance of PosSettingsAdvancedOperation

    66     mAdvancedOperation = new PosSettingsAdvOp(this);

    67     

    68 

    69     mPluginsLoader = new PosSettingsPluginsLoader();

    70     // load the plugins

    71     mPluginsList = mPluginsLoader->loadPlugins();

    72     

    73     // for each plugin detected call the plugin's initialize method

    74    

    75     int cnt = mPluginsList.count();

    76     int error = 0;

    77     for(int i=0;i<cnt;i++)

    78         {

    79 				error = mPluginsList[i]->initialise(mAdvancedOperation );

    80         //pluging is unloaded if the there is an error, with exception for not found.

    81         if (error != 0 && error != -1)

    82             {

    83             delete mPluginsList[i];

    84             mPluginsList[i] = 0;

    85             mPluginsList.removeAt(i);

    86             --cnt;

    87             --i;

    88             }

    89         }

    90     // create a QFileSystemWatcher instance

    91     mWatcher = new QFileSystemWatcher();

    92     mWatcher->addPath(PLUGIN_PATH);

    93     

    94     // make connection to update the advanced view on change in the plugins

    95     QObject::connect(mWatcher,SIGNAL(fileChanged ( const QString & path )),

    96                     this,SLOT(updateAdvView()));

    97     qDebug() << "- PosSettingsAdvView::PosSettingsAdvView()";

    98     }

    99 

   100 //---------------------------------------------------------------------

   101 // PosSettingsAdvView::~PosSettingsAdvView()

   102 // Destructor

   103 //---------------------------------------------------------------------

   104 PosSettingsAdvView::~PosSettingsAdvView()

   105     {   

   106     qDebug() << "+ PosSettingsAdvView::~PosSettingsAdvView()";

   107   //  mAdvancedDataForm->removeAllConnection();	 

   108     delete mAdvancedDataForm;

   109     mAdvancedDataForm = NULL;

   110     

   111     

   112     delete mAdvancedOperation;

   113     mAdvancedOperation = NULL;

   114     

   115     delete mPluginsLoader;

   116     mPluginsLoader = NULL;

   117     

   118     // delete the list of plugins

   119     foreach( PosSettingsAdvInterface *plugin, mPluginsList )

   120             {

   121             delete plugin;

   122             plugin = 0;

   123             }

   124     mPluginsList.clear();

   125     

   126     //ToDo: disconnect mWatcher'signal

   127     delete mWatcher;

   128     mWatcher = NULL;

   129     qDebug() << "- PosSettingsAdvView::~PosSettingsAdvView()";    

   130     }

   131 

   132 //---------------------------------------------------------------------

   133 // PosSettingsAdvView::updateAdvView()

   134 // 

   135 //---------------------------------------------------------------------

   136 void PosSettingsAdvView::updateAdvView()

   137     {

   138     qDebug() << "+ PosSettingsAdvView::updateAdvView()";

   139     // clear the plugins list

   140     foreach( PosSettingsAdvInterface *plugin, mPluginsList )

   141         {

   142         delete plugin;

   143         plugin= NULL;

   144         }

   145     mPluginsList.clear();

   146     

   147     // reload the plugins again

   148     mPluginsList = mPluginsLoader->loadPlugins();

   149     

   150     int count = mPluginsList.count();

   151     

   152     // for each plugin detected call the plugin's initialize method

   153     for( int i=0;i<count;++i )

   154         {

   155         int error = mPluginsList[i]->initialise( mAdvancedOperation );

   156         if( error != KErrNone )

   157             {

   158             delete mPluginsList[i];

   159             mPluginsList[i] =NULL;

   160             }

   161         }

   162     qDebug() << "- PosSettingsAdvView::updateAdvView()";

   163     }