/*

 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description:Implementation of the Positioning Settings Advanced View class 

 *

 */

#include "possettingsadvview.h"

#include "possettingspluginsloader.h"

#include "possettingsgroupboxitem.h"

#include <QDebug>

#include <QFileSystemWatcher>

#ifdef Q_OS_SYMBIAN

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

#else

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

#endif 

//---------------------------------------------------------------------

// PosSettingsAdvView::PosSettingsAdvView()

// Constructor

//---------------------------------------------------------------------

PosSettingsAdvView::PosSettingsAdvView( QGraphicsItem *parent ):

CpBaseSettingView(0,parent)

    {

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

    // create instance of HbDataForm

    mAdvancedDataForm = new HbDataForm();

    // Create an instance of HbDataFormModel

    HbDataFormModel* advancedDataFormModel = new HbDataFormModel();

    // set the model

    mAdvancedDataForm->setModel( advancedDataFormModel );

    // set the Advanced settings form for this view

    this->setWidget( mAdvancedDataForm );

    //set prototype for custom controls

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

    protoTypeList.append(new PosSettingsGroupboxItem(this));  

    mAdvancedDataForm->setItemPrototypes(protoTypeList);

    //Heading                   

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

                                                   QString(),

                                                   advancedDataFormModel->invisibleRootItem());

     mHeading->setContentWidgetData("heading",

                                hbTrId("txt_loe_subtitle_advanced_positioning_settings"));

    // Create an instance of PosSettingsAdvancedOperation

    mAdvancedOperation = new PosSettingsAdvOp(this);

    mPluginsLoader = new PosSettingsPluginsLoader();

    // load the plugins

    mPluginsList = mPluginsLoader->loadPlugins();

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

    int cnt = mPluginsList.count();

    int error = 0;

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

        {

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

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

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

            {

            delete mPluginsList[i];

            mPluginsList[i] = 0;

            mPluginsList.removeAt(i);

            --cnt;

            --i;

            }

        }

    // create a QFileSystemWatcher instance

    mWatcher = new QFileSystemWatcher();

    mWatcher->addPath(PLUGIN_PATH);

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

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

                    this,SLOT(updateAdvView()));

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

    }

//---------------------------------------------------------------------

// PosSettingsAdvView::~PosSettingsAdvView()

// Destructor

//---------------------------------------------------------------------

PosSettingsAdvView::~PosSettingsAdvView()

    {   

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

  //  mAdvancedDataForm->removeAllConnection();	 

    delete mAdvancedDataForm;

    mAdvancedDataForm = NULL;

    delete mAdvancedOperation;

    mAdvancedOperation = NULL;

    delete mPluginsLoader;

    mPluginsLoader = NULL;

    // delete the list of plugins

    foreach( PosSettingsAdvInterface *plugin, mPluginsList )

            {

            delete plugin;

            plugin = 0;

            }

    mPluginsList.clear();

    //ToDo: disconnect mWatcher'signal

    delete mWatcher;

    mWatcher = NULL;

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

    }

//---------------------------------------------------------------------

// PosSettingsAdvView::updateAdvView()

// 

//---------------------------------------------------------------------

void PosSettingsAdvView::updateAdvView()

    {

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

    // clear the plugins list

    foreach( PosSettingsAdvInterface *plugin, mPluginsList )

        {

        delete plugin;

        plugin= NULL;

        }

    mPluginsList.clear();

    // reload the plugins again

    mPluginsList = mPluginsLoader->loadPlugins();

    int count = mPluginsList.count();

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

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

        {

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

        if( error != KErrNone )

            {

            delete mPluginsList[i];

            mPluginsList[i] =NULL;

            }

        }

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

    }