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#include <QtTest/QtTest>

#include <qvideodevicecontrol.h>

#include <qmediacontrol.h>

#include <qmediaservice.h>

#include <QtGui/qapplication.h>

#include <QtGui/qstyle.h>

QT_BEGIN_NAMESPACE

class QtTestMediaService;

class tst_QMediaService : public QObject

{

    Q_OBJECT

private slots:

    void initTestCase();

    void control_iid();

    void control();

};

class QtTestMediaControlA : public QMediaControl

{

    Q_OBJECT

};

#define QtTestMediaControlA_iid "com.nokia.QtTestMediaControlA"

Q_MEDIA_DECLARE_CONTROL(QtTestMediaControlA, QtTestMediaControlA_iid)

class QtTestMediaControlB : public QMediaControl

{

    Q_OBJECT

};

#define QtTestMediaControlB_iid "com.nokia.QtTestMediaControlB"

Q_MEDIA_DECLARE_CONTROL(QtTestMediaControlB, QtTestMediaControlB_iid)

class QtTestMediaControlC : public QMediaControl

{

    Q_OBJECT

};

#define QtTestMediaControlC_iid "com.nokia.QtTestMediaControlC"

Q_MEDIA_DECLARE_CONTROL(QtTestMediaControlC, QtTestMediaControlA_iid) // Yes A.

class QtTestMediaControlD : public QMediaControl

{

    Q_OBJECT

};

#define QtTestMediaControlD_iid "com.nokia.QtTestMediaControlD"

Q_MEDIA_DECLARE_CONTROL(QtTestMediaControlD, QtTestMediaControlD_iid)

class QtTestMediaControlE : public QMediaControl

{

    Q_OBJECT

};

struct QtTestDevice

{

    QtTestDevice() {}

    QtTestDevice(const QString &name, const QString &description, const QIcon &icon)

        : name(name), description(description), icon(icon)

    {

    }

    QString name;

    QString description;

    QIcon icon;

};

class QtTestVideoDeviceControl : public QVideoDeviceControl

{

public:

    QtTestVideoDeviceControl(QObject *parent = 0)

        : QVideoDeviceControl(parent)

        , m_selectedDevice(-1)

        , m_defaultDevice(-1)

    {

    }

    int deviceCount() const { return devices.count(); }

    QString deviceName(int index) const { return devices.value(index).name; }

    QString deviceDescription(int index) const { return devices.value(index).description; }

    QIcon deviceIcon(int index) const { return devices.value(index).icon; }

    int defaultDevice() const { return m_defaultDevice; }

    void setDefaultDevice(int index) { m_defaultDevice = index; }

    int selectedDevice() const { return m_selectedDevice; }

    void setSelectedDevice(int index)

    {

        emit selectedDeviceChanged(m_selectedDevice = index);

        emit selectedDeviceChanged(devices.value(index).name);

    }

    QList<QtTestDevice> devices;

private:

    int m_selectedDevice;

    int m_defaultDevice;

};

class QtTestMediaService : public QMediaService

{

    Q_OBJECT

public:

    QtTestMediaService()

        : QMediaService(0)

        , hasDeviceControls(false)

    {

    }

    QMediaControl* control(const char *name) const

    {

        if (strcmp(name, QtTestMediaControlA_iid) == 0)

            return const_cast<QtTestMediaControlA *>(&controlA);

        else if (strcmp(name, QtTestMediaControlB_iid) == 0)

            return const_cast<QtTestMediaControlB *>(&controlB);

        else if (strcmp(name, QtTestMediaControlC_iid) == 0)

            return const_cast<QtTestMediaControlC *>(&controlC);

        else if (hasDeviceControls && strcmp(name, QVideoDeviceControl_iid) == 0)

            return const_cast<QtTestVideoDeviceControl *>(&videoDeviceControl);

        else

            return 0;

    }

    using QMediaService::control;

    QtTestMediaControlA controlA;

    QtTestMediaControlB controlB;

    QtTestMediaControlC controlC;

    QtTestVideoDeviceControl videoDeviceControl;

    bool hasDeviceControls;

};

void tst_QMediaService::initTestCase()

{    

}

void tst_QMediaService::control_iid()

{

    const char *nullString = 0;

    // Default implementation.

    QCOMPARE(qmediacontrol_iid<QtTestMediaControlE *>(), nullString);

    // Partial template.

    QVERIFY(qstrcmp(qmediacontrol_iid<QtTestMediaControlA *>(), QtTestMediaControlA_iid) == 0);

}

void tst_QMediaService::control()

{

    QtTestMediaService service;

    QCOMPARE(service.control<QtTestMediaControlA *>(), &service.controlA);

    QCOMPARE(service.control<QtTestMediaControlB *>(), &service.controlB);

    QVERIFY(!service.control<QtTestMediaControlC *>());  // Faulty implementation returns A.

    QVERIFY(!service.control<QtTestMediaControlD *>());  // No control of that type.

}

QT_END_NAMESPACE

QT_USE_NAMESPACE

QTEST_MAIN(tst_QMediaService)

#include "tst_qmediaservice.moc"