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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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     7 ** This file is part of the Qt Mobility Components.

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    16 ** GNU Lesser General Public License Usage

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    18 ** General Public License version 2.1 as published by the Free Software

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    38 ** $QT_END_LICENSE$

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    40 ****************************************************************************/

    41 

    42 #include <QFile>

    43 #include <QtGui/QIcon>

    44 #include "v4lvideodevicecontrol.h"

    45 #include "v4lcamerasession.h"

    46 

    47 V4LVideoDeviceControl::V4LVideoDeviceControl(QObject *parent)

    48     : QVideoDeviceControl(parent)

    49 {

    50     m_session = qobject_cast<V4LCameraSession*>(parent);

    51 

    52     QString name;

    53     QFile video0("/sys/class/video4linux/video0/name");

    54     if (video0.exists()) {

    55         devices.append("v4l:/dev/video0");

    56         char str[31];

    57         memset(str,0,31);

    58         video0.open(QIODevice::ReadOnly);

    59         video0.read(str,30);

    60         name = QString(str);

    61         descriptions.append(name.simplified());

    62         video0.close();

    63     }

    64 

    65     QFile video1("/sys/class/video4linux/video1/name");

    66     if (video0.exists()) {

    67         devices.append("v4l:/dev/video1");

    68         char str[31];

    69         memset(str,0,31);

    70         video1.open(QIODevice::ReadOnly);

    71         video1.read(str,30);

    72         name = QString(str);

    73         descriptions.append(name.simplified());

    74         video1.close();

    75     }

    76     selected = 0;

    77 }

    78 

    79 int V4LVideoDeviceControl::deviceCount() const

    80 {

    81     return devices.count();

    82 }

    83 

    84 QString V4LVideoDeviceControl::deviceName(int index) const

    85 {

    86     if(index >= 0 && index <= devices.count())

    87         return devices.at(index);

    88 

    89     return QString();

    90 }

    91 

    92 QString V4LVideoDeviceControl::deviceDescription(int index) const

    93 {

    94     if(index >= 0 && index <= descriptions.count())

    95         return descriptions.at(index);

    96 

    97     return QString();

    98 }

    99 

   100 QIcon V4LVideoDeviceControl::deviceIcon(int index) const

   101 {

   102     Q_UNUSED(index)

   103 

   104     return QIcon();

   105 }

   106 

   107 int V4LVideoDeviceControl::defaultDevice() const

   108 {

   109     return 0;

   110 }

   111 

   112 int V4LVideoDeviceControl::selectedDevice() const

   113 {

   114     return selected;

   115 }

   116 

   117 void V4LVideoDeviceControl::setSelectedDevice(int index)

   118 {

   119     if(index >= 0 && index <= devices.count()) {

   120         if (m_session) {

   121             QString device = devices.at(index);

   122             if (device.startsWith("v4l:"))

   123                 device.remove(0,4);

   124             m_session->setDevice(device);

   125         }

   126         selected = index;

   127     }

   128 }

   129