/*

* Copyright (c) 2009-2010 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:

* WLAN Sniffer application main class implementation.

*/

// System includes

#include <QProcess>

#include <QLocale>

#include <HbStyleLoader>

#include <HbTranslator>

// User includes

#include "wlansnifferengine.h"

#include "wlansniffermainwindow.h"

#include "wlansniffer.h"

#include "OstTraceDefinitions.h"

#ifdef OST_TRACE_COMPILER_IN_USE

#include "wlansnifferTraces.h"

#endif

/*!

    \class WlanSniffer

    \brief WLAN Sniffer main class implementation.

*/

// External function prototypes

// Local constants

//! Location of WLAN Sniffer custom layout definitions

static const QString WlanSnifferLayoutPath(":/wlansnifferlayout/");

// ======== LOCAL FUNCTIONS ========

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

/*!

    Constructor.

    @param [in] argc Parameter count.

    @param [in] argv Parameters. 

 */

WlanSniffer::WlanSniffer(int argc, char* argv[]) :

    HbApplication(argc, argv),

    mEngine(new WlanSnifferEngine(this)),

    mTranslator(),

    mMainWindow(0)

{

    OstTraceFunctionEntry0(WLANSNIFFER_WLANSNIFFER_ENTRY);

    // Start scanning immediately to get the first scan results as soon as

    // possible, since the scanning takes time.

    if (mEngine->masterWlan() && !mEngine->forceDisableWlan()) {

        mEngine->startWlanScanning();

    }

    // Register custom layout location

    HbStyleLoader::registerFilePath(WlanSnifferLayoutPath);

    // Install localization

    mTranslator = QSharedPointer<HbTranslator>(new HbTranslator());

    mTranslator->loadCommon();

    mMainWindow = QSharedPointer<WlanSnifferMainWindow>(

        new WlanSnifferMainWindow(mEngine));

    // Connect exit handling

    bool connectStatus = connect(

        mEngine,

        SIGNAL(exitTriggered()),

        this,

        SLOT(exitApplication()));

    Q_ASSERT(connectStatus);

    // Start the Wlan Sniffer Keepalive process, if not started yet

    // The purpose of the process is to manage Wlan links opened

    // by this application, and the process should be running always

    // after the first launch of this application.

    if (findKeepaliveProcess() == false) {

        QProcess::startDetached("wlansnifferkeepalive");

    }

    OstTraceFunctionExit0(WLANSNIFFER_WLANSNIFFER_EXIT);

}

/*!

    Destructor.

 */

WlanSniffer::~WlanSniffer()

{

    OstTraceFunctionEntry0(WLANSNIFFER_WLANSNIFFERDESTR_ENTRY);

    HbStyleLoader::unregisterFilePath(WlanSnifferLayoutPath);

    OstTraceFunctionExit0(WLANSNIFFER_WLANSNIFFERDESTR_EXIT);

}

/*!

    Function for finding possible running keepalive process.

    @return TRUE if a keepalive process was found running.

 */

bool WlanSniffer::findKeepaliveProcess()

{

    OstTraceFunctionEntry0(WLANSNIFFER_FINDKEEPALIVEPROCESS_ENTRY);

    // Try to search the keepalive process

    bool found = false;

    TFileName executableName;

    executableName.Copy(_L("wlansnifferkeepalive*"));

    TFindProcess processSearch;

    TFullName processFullName;

    while (processSearch.Next(processFullName) == KErrNone) {

        if (processFullName.Match(executableName) != KErrNotFound) { 

            found = true;

            break;

        }

    }

    OstTraceExt1(

        TRACE_NORMAL,

        WLANSNIFFER_FINDKEEPALIVEPROCESS_RESULT,

        "WlanSniffer::findKeepaliveProcess;found=%hhu",

        found);

    OstTraceFunctionExit0(WLANSNIFFER_FINDKEEPALIVEPROCESS_EXIT);

    return found;

}

/*!

    Slot for handling application exit.

 */

void WlanSniffer::exitApplication()

{

    OstTraceFunctionEntry0(WLANSNIFFER_EXITAPPLICATION_ENTRY);

    exit();

    OstTraceFunctionExit0(WLANSNIFFER_EXITAPPLICATION_EXIT);

}