1 /*

     2 * Copyright (c) 2009 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: FM Radio widget process handler

    15 *

    16 */

    17 

    18 // System includes

    19 

    20 // User includes

    21 #include "fmradiohswidgetprocesshandler.h"

    22 #include "fmradiohswidget.h"

    23 

    24 /*!

    25  Constructor

    26  */

    27 FmRadioHsWidgetProcessHandler::FmRadioHsWidgetProcessHandler(QObject *parent) :

    28     QObject(parent), mProcess(new QProcess(this))

    29 {

    30     QObject::connect(mProcess, SIGNAL(stateChanged(QProcess::ProcessState)),

    31         this, SLOT(handleStateChange(QProcess::ProcessState)));

    32     QObject::connect(mProcess, SIGNAL(error(QProcess::ProcessError error)),

    33         this, SLOT(handleError(QProcess::ProcessError error)));

    34     QObject::connect(mProcess,

    35         SIGNAL(finished(int exitCode, QProcess::ExitStatus exitStatus)),

    36         this,

    37         SLOT(handleFinish(int exitCode, QProcess::ExitStatus exitStatus)));

    38 }

    39 

    40 /*!

    41  Destructor 

    42  */

    43 FmRadioHsWidgetProcessHandler::~FmRadioHsWidgetProcessHandler()

    44 {

    45 }

    46 

    47 /*!

    48  Launching of FM Radio application process. 

    49  */

    50 void FmRadioHsWidgetProcessHandler::startFmRadioApplication()

    51 {

    52     if (mProcess->pid() == qint64(0)) {

    53         QString executablePath = KRadioExecutablePath;

    54         QStringList arguments;

    55         arguments << KRadioExecutableArguments;

    56         mProcess->start(executablePath, arguments);

    57     }

    58 }

    59 

    60 /*!

    61  Handles state change notifications from FM Radio application process. 

    62  */

    63 void FmRadioHsWidgetProcessHandler::handleStateChange(

    64     QProcess::ProcessState state)

    65 {

    66     switch (state) {

    67     case QProcess::NotRunning:

    68         emit fmRadioApplicationStateChanged(QVariant(FmRadioHsWidget::NotRunning));

    69         break;

    70     case QProcess::Starting:

    71         emit fmRadioApplicationStateChanged(QVariant(FmRadioHsWidget::Starting));

    72         break;

    73     case QProcess::Running:

    74         emit fmRadioApplicationStateChanged(QVariant(FmRadioHsWidget::Running));

    75         break;

    76     default:

    77         break;

    78     }

    79 }

    80 

    81 /*!

    82  Handles error notifications from FM Radio application process. 

    83  */

    84 void FmRadioHsWidgetProcessHandler::handleError(

    85     QProcess::ProcessError error)

    86 {

    87     switch (error) {

    88     case QProcess::FailedToStart:

    89         break;

    90     case QProcess::Crashed:

    91         break;

    92     case QProcess::Timedout:

    93         break;

    94     case QProcess::WriteError:

    95         break;

    96     case QProcess::ReadError:

    97         break;

    98     case QProcess::UnknownError:

    99         break;

   100     default:

   101         break;

   102     }

   103 }

   104 

   105 /*!

   106  Handles finished process notifications from FM Radio application process. 

   107  */

   108 void FmRadioHsWidgetProcessHandler::handleFinish(int /*exitCode*/,

   109     QProcess::ExitStatus exitStatus)

   110 {

   111     switch (exitStatus) {

   112     case QProcess::NormalExit:

   113         break;

   114     case QProcess::CrashExit:

   115         break;

   116     default:

   117         break;

   118     }

   119 }