/****************************************************************************
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** contained in the Technology Preview License Agreement accompanying
** this package.
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** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
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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"