/****************************************************************************

**

** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (developer.feedback@nokia.com)

**

** This file is part of the HbCore module of the UI Extensions for Mobile.

**

** GNU Lesser General Public License Usage

** This file may be used under the terms of the GNU Lesser General Public

** License version 2.1 as published by the Free Software Foundation and

** appearing in the file LICENSE.LGPL included in the packaging of this file.

** Please review the following information to ensure the GNU Lesser General

** Public License version 2.1 requirements will be met:

** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at developer.feedback@nokia.com.

**

****************************************************************************/

#include <hbdevicedialoglaunchhelper_p.h>

#include <hbdevicedialogclientsession_p.h>

#include <hbdevicedialogserverdefs_p.h>

#include <apacmdln.h>

#include <e32cmn.h>

/*!

    HbDeviceDialogLaunchHelper

    \internal

*/

class HbDeviceDialogLaunchHelperPrivate : public CActive

    {

public:

    HbDeviceDialogLaunchHelperPrivate();

    ~HbDeviceDialogLaunchHelperPrivate();

    void Start();

    TInt Error() { return iError; }

    void StartServer();

protected:    

    void RunL();

    void DoCancel();

    TInt RunError(TInt aError);

public:    

    RProcess iProcess;

    CActiveSchedulerWait iWait;

    TInt iError;

    };

HbDeviceDialogLaunchHelperPrivate::HbDeviceDialogLaunchHelperPrivate()

: CActive(CActive::EPriorityStandard)

{    

    CActiveScheduler::Add(this);               

}

HbDeviceDialogLaunchHelperPrivate::~HbDeviceDialogLaunchHelperPrivate()

{

    if (iWait.IsStarted()) {

        iWait.AsyncStop();

    }

    Cancel();

}

void HbDeviceDialogLaunchHelperPrivate::Start()

{

    StartServer();

    if (iError == KErrNone) {

        SetActive();

        iWait.Start();            

    }

}

void HbDeviceDialogLaunchHelperPrivate::RunL()

{ 

    iError = iStatus.Int();

    if (iProcess.ExitType() == EExitPanic) {

        iError = KErrGeneral;

    }

    iProcess.Close();

    if (iWait.IsStarted()) {

        iWait.AsyncStop();

    }    

}

void HbDeviceDialogLaunchHelperPrivate::DoCancel()

{

    if (IsActive()) {        

        iProcess.RendezvousCancel(iStatus);

    }

}

TInt HbDeviceDialogLaunchHelperPrivate::RunError(TInt aError)

{

    iError = aError;

    return KErrNone;

}

void HbDeviceDialogLaunchHelperPrivate::StartServer()

{

    iError = KErrNone;

    if (RHbDeviceDialogClientSession::ServerRunning()) {

        // Already running, return error.

        iError = KErrAlreadyExists; 

        return;

    }        

    // Create the server process

    iError = iProcess.Create(KHbServerExe, KNullDesC);

    if (iError != KErrNone) {

        // Process could not be created, return error.

        return;

        }

    CApaCommandLine* apaCommandLine = 0;

    TRAP(iError, apaCommandLine = CApaCommandLine::NewL());

    if (iError != KErrNone) {

        iProcess.Close();

        return;

    }

    TRAP(iError,

        apaCommandLine->SetExecutableNameL(KHbServerExe);

        apaCommandLine->SetCommandL(EApaCommandBackground);

        apaCommandLine->SetProcessEnvironmentL(iProcess);

    );

    delete apaCommandLine;

    apaCommandLine = 0;

    if (iError != KErrNone) {

        iProcess.Close();

        return;

    }

    iProcess.Rendezvous(iStatus);

    iProcess.Resume();    // logon OK - start the server     

}

HbDeviceDialogLaunchHelper* HbDeviceDialogLaunchHelper::NewLC()

{

     HbDeviceDialogLaunchHelper* self = new (ELeave) HbDeviceDialogLaunchHelper;

     CleanupStack::PushL(self);

     self->d_ptr = new (ELeave) HbDeviceDialogLaunchHelperPrivate();

     return self;    

}

HbDeviceDialogLaunchHelper* HbDeviceDialogLaunchHelper::NewL()

{

    HbDeviceDialogLaunchHelper* self = NewLC();

    CleanupStack::Pop(self);

    return self;

}

HbDeviceDialogLaunchHelper::~HbDeviceDialogLaunchHelper()

{

    delete d_ptr;

}

void HbDeviceDialogLaunchHelper::Start()

{

    d_ptr->Start();

}

TInt HbDeviceDialogLaunchHelper::Error() 

{

    return d_ptr->iError; 

}

HbDeviceDialogLaunchHelper::HbDeviceDialogLaunchHelper()

{    

}