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

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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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** $QT_END_LICENSE$

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

#include <qmobilityglobal.h>

#include "qgraphicsvideoitem.h"

#include <QtTest/QtTest>

#include "qmediaobject.h"

#include "qmediaservice.h"

#include "qpaintervideosurface_p.h"

#include "qvideorenderercontrol.h"

#include <qabstractvideosurface.h>

#include <qvideosurfaceformat.h>

#include <QtGui/qapplication.h>

#include <QtGui/qgraphicsscene.h>

#include <QtGui/qgraphicsview.h>

QT_USE_NAMESPACE

class tst_QGraphicsVideoItem : public QObject

{

    Q_OBJECT

public slots:

    void initTestCase();

private slots:

    void nullObject();

    void nullService();

    void noOutputs();

    void serviceDestroyed();

    void mediaObjectDestroyed();

    void setMediaObject();

    void show();

    void aspectRatioMode();

    void offset();

    void size();

    void nativeSize_data();

    void nativeSize();

    void boundingRect_data();

    void boundingRect();

    void paint();

};

Q_DECLARE_METATYPE(const uchar *)

Q_DECLARE_METATYPE(Qt::AspectRatioMode)

class QtTestRendererControl : public QVideoRendererControl

{

public:

    QtTestRendererControl()

        : m_surface(0)

    {

    }

    QAbstractVideoSurface *surface() const { return m_surface; }

    void setSurface(QAbstractVideoSurface *surface) { m_surface = surface; }

private:

    QAbstractVideoSurface *m_surface;

};

class QtTestVideoService : public QMediaService

{

    Q_OBJECT

public:

    QtTestVideoService(

            QtTestRendererControl *renderer)

        : QMediaService(0)

        , rendererRef(0)

        , rendererControl(renderer)

    {

    }

    ~QtTestVideoService()

    {

        delete rendererControl;

    }

    QMediaControl *requestControl(const char *name)

    {

        if (qstrcmp(name, QVideoRendererControl_iid) == 0 && rendererControl) {

            rendererRef += 1;

            return rendererControl;

        } else {

            return 0;

        }

    }

    void releaseControl(QMediaControl *control)

    {

        Q_ASSERT(control);

        if (control == rendererControl)

            rendererRef -= 1;

    }

    int rendererRef;

    QtTestRendererControl *rendererControl;

};

class QtTestVideoObject : public QMediaObject

{

    Q_OBJECT

public:

    QtTestVideoObject(QtTestRendererControl *renderer)

        : QMediaObject(0, new QtTestVideoService(renderer))

    {

        testService = qobject_cast<QtTestVideoService*>(service());

    }

    QtTestVideoObject(QtTestVideoService *service):

        QMediaObject(0, service),

        testService(service)

    {

    }

    ~QtTestVideoObject()

    {

        delete testService;

    }

    QtTestVideoService *testService;

};

class QtTestGraphicsVideoItem : public QGraphicsVideoItem

{

public:

    QtTestGraphicsVideoItem(QGraphicsItem *parent = 0)

        : QGraphicsVideoItem(parent)

        , m_paintCount(0)

    {

    }

    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)

    {

        ++m_paintCount;

        QTestEventLoop::instance().exitLoop();

        QGraphicsVideoItem::paint(painter, option, widget);

    }

    bool waitForPaint(int secs)

    {

        const int paintCount = m_paintCount;

        QTestEventLoop::instance().enterLoop(secs);

        return m_paintCount != paintCount;

    }

    int paintCount() const

    {

        return m_paintCount;

    }

private:

    int m_paintCount;

};

void tst_QGraphicsVideoItem::initTestCase()

{

    qRegisterMetaType<Qt::AspectRatioMode>();

}

void tst_QGraphicsVideoItem::nullObject()

{

    QGraphicsVideoItem item(0);

    QVERIFY(item.boundingRect().isEmpty());

}

void tst_QGraphicsVideoItem::nullService()

{

    QtTestVideoService *service = 0;

    QtTestVideoObject object(service);

    QtTestGraphicsVideoItem *item = new QtTestGraphicsVideoItem;

    object.bind(item);

    QVERIFY(item->boundingRect().isEmpty());

    item->hide();

    item->show();

    QGraphicsScene graphicsScene;

    graphicsScene.addItem(item);

    QGraphicsView graphicsView(&graphicsScene);

    graphicsView.show();

}

void tst_QGraphicsVideoItem::noOutputs()

{

    QtTestRendererControl *control = 0;

    QtTestVideoObject object(control);

    QtTestGraphicsVideoItem *item = new QtTestGraphicsVideoItem;

    object.bind(item);

    QVERIFY(item->boundingRect().isEmpty());

    item->hide();

    item->show();

    QGraphicsScene graphicsScene;

    graphicsScene.addItem(item);

    QGraphicsView graphicsView(&graphicsScene);

    graphicsView.show();

}

void tst_QGraphicsVideoItem::serviceDestroyed()

{

    QtTestVideoObject object(new QtTestRendererControl);

    QGraphicsVideoItem item;

    object.bind(&item);

    QCOMPARE(object.testService->rendererRef, 1);

    QtTestVideoService *service = object.testService;

    object.testService = 0;

    delete service;

    QCOMPARE(item.mediaObject(), static_cast<QMediaObject *>(&object));

    QVERIFY(item.boundingRect().isEmpty());

}

void tst_QGraphicsVideoItem::mediaObjectDestroyed()

{

    QtTestVideoObject *object = new QtTestVideoObject(new QtTestRendererControl);

    QGraphicsVideoItem item;

    object->bind(&item);

    QCOMPARE(object->testService->rendererRef, 1);

    delete object;

    object = 0;

    QCOMPARE(item.mediaObject(), static_cast<QMediaObject *>(object));

    QVERIFY(item.boundingRect().isEmpty());

}

void tst_QGraphicsVideoItem::setMediaObject()

{

    QMediaObject *nullObject = 0;

    QtTestVideoObject object(new QtTestRendererControl);

    QGraphicsVideoItem item;

    QCOMPARE(item.mediaObject(), nullObject);

    QCOMPARE(object.testService->rendererRef, 0);

    object.bind(&item);

    QCOMPARE(item.mediaObject(), static_cast<QMediaObject *>(&object));

    QCOMPARE(object.testService->rendererRef, 1);

    QVERIFY(object.testService->rendererControl->surface() != 0);

    object.unbind(&item);

    QCOMPARE(item.mediaObject(), nullObject);

    QCOMPARE(object.testService->rendererRef, 0);

    item.setVisible(false);

    object.bind(&item);

    QCOMPARE(item.mediaObject(), static_cast<QMediaObject *>(&object));

    QCOMPARE(object.testService->rendererRef, 1);

    QVERIFY(object.testService->rendererControl->surface() != 0);

}

void tst_QGraphicsVideoItem::show()

{    

    QtTestVideoObject object(new QtTestRendererControl);

    QtTestGraphicsVideoItem *item = new QtTestGraphicsVideoItem;

    object.bind(item);

    // Graphics items are visible by default

    QCOMPARE(object.testService->rendererRef, 1);

    QVERIFY(object.testService->rendererControl->surface() != 0);

    item->hide();

    QCOMPARE(object.testService->rendererRef, 1);

    item->show();

    QCOMPARE(object.testService->rendererRef, 1);

    QVERIFY(object.testService->rendererControl->surface() != 0);

    QVERIFY(item->boundingRect().isEmpty());

    QVideoSurfaceFormat format(QSize(320,240),QVideoFrame::Format_RGB32);

    QVERIFY(object.testService->rendererControl->surface()->start(format));

    QVERIFY(!item->boundingRect().isEmpty());

    QGraphicsScene graphicsScene;

    graphicsScene.addItem(item);

    QGraphicsView graphicsView(&graphicsScene);

    graphicsView.show();

    QVERIFY(item->paintCount() || item->waitForPaint(1));

}

void tst_QGraphicsVideoItem::aspectRatioMode()

{

    QGraphicsVideoItem item;

    QCOMPARE(item.aspectRatioMode(), Qt::KeepAspectRatio);

    item.setAspectRatioMode(Qt::IgnoreAspectRatio);

    QCOMPARE(item.aspectRatioMode(), Qt::IgnoreAspectRatio);

    item.setAspectRatioMode(Qt::KeepAspectRatioByExpanding);

    QCOMPARE(item.aspectRatioMode(), Qt::KeepAspectRatioByExpanding);

    item.setAspectRatioMode(Qt::KeepAspectRatio);

    QCOMPARE(item.aspectRatioMode(), Qt::KeepAspectRatio);

}

void tst_QGraphicsVideoItem::offset()

{

    QGraphicsVideoItem item;

    QCOMPARE(item.offset(), QPointF(0, 0));

    item.setOffset(QPointF(-32.4, 43.0));

    QCOMPARE(item.offset(), QPointF(-32.4, 43.0));

    item.setOffset(QPointF(1, 1));

    QCOMPARE(item.offset(), QPointF(1, 1));

    item.setOffset(QPointF(12, -30.4));

    QCOMPARE(item.offset(), QPointF(12, -30.4));

    item.setOffset(QPointF(-90.4, -75));

    QCOMPARE(item.offset(), QPointF(-90.4, -75));

}

void tst_QGraphicsVideoItem::size()

{

    QGraphicsVideoItem item;

    QCOMPARE(item.size(), QSizeF(320, 240));

    item.setSize(QSizeF(542.5, 436.3));

    QCOMPARE(item.size(), QSizeF(542.5, 436.3));

    item.setSize(QSizeF(-43, 12));

    QCOMPARE(item.size(), QSizeF(0, 0));

    item.setSize(QSizeF(54, -9));

    QCOMPARE(item.size(), QSizeF(0, 0));

    item.setSize(QSizeF(-90, -65));

    QCOMPARE(item.size(), QSizeF(0, 0));

    item.setSize(QSizeF(1000, 1000));

    QCOMPARE(item.size(), QSizeF(1000, 1000));

}

void tst_QGraphicsVideoItem::nativeSize_data()

{

    QTest::addColumn<QSize>("frameSize");

    QTest::addColumn<QRect>("viewport");

    QTest::addColumn<QSize>("pixelAspectRatio");

    QTest::addColumn<QSizeF>("nativeSize");

    QTest::newRow("640x480")

            << QSize(640, 480)

            << QRect(0, 0, 640, 480)

            << QSize(1, 1)

            << QSizeF(640, 480);

    QTest::newRow("800x600, (80,60, 640x480) viewport")

            << QSize(800, 600)

            << QRect(80, 60, 640, 480)

            << QSize(1, 1)

            << QSizeF(640, 480);

    QTest::newRow("800x600, (80,60, 640x480) viewport, 4:3")

            << QSize(800, 600)

            << QRect(80, 60, 640, 480)

            << QSize(4, 3)

            << QSizeF(853, 480);

}

void tst_QGraphicsVideoItem::nativeSize()

{

    QFETCH(QSize, frameSize);

    QFETCH(QRect, viewport);

    QFETCH(QSize, pixelAspectRatio);

    QFETCH(QSizeF, nativeSize);

    QtTestVideoObject object(new QtTestRendererControl);

    QGraphicsVideoItem item;

    object.bind(&item);

    QCOMPARE(item.nativeSize(), QSizeF());

    QSignalSpy spy(&item, SIGNAL(nativeSizeChanged(QSizeF)));

    QVideoSurfaceFormat format(frameSize, QVideoFrame::Format_ARGB32);

    format.setViewport(viewport);

    format.setPixelAspectRatio(pixelAspectRatio);

    QVERIFY(object.testService->rendererControl->surface()->start(format));

    QCOMPARE(item.nativeSize(), nativeSize);

    QCOMPARE(spy.count(), 1);

    QCOMPARE(spy.last().first().toSizeF(), nativeSize);

    object.testService->rendererControl->surface()->stop();

    QCOMPARE(item.nativeSize(), QSizeF(0, 0));

    QCOMPARE(spy.count(), 2);

    QCOMPARE(spy.last().first().toSizeF(), QSizeF(0, 0));

}

void tst_QGraphicsVideoItem::boundingRect_data()

{

    QTest::addColumn<QSize>("frameSize");

    QTest::addColumn<QPointF>("offset");

    QTest::addColumn<QSizeF>("size");

    QTest::addColumn<Qt::AspectRatioMode>("aspectRatioMode");

    QTest::addColumn<QRectF>("expectedRect");

    QTest::newRow("640x480: (0,0 640x480), Keep")

            << QSize(640, 480)

            << QPointF(0, 0)

            << QSizeF(640, 480)

            << Qt::KeepAspectRatio

            << QRectF(0, 0, 640, 480);

    QTest::newRow("800x600, (0,0, 640x480), Keep")

            << QSize(800, 600)

            << QPointF(0, 0)

            << QSizeF(640, 480)

            << Qt::KeepAspectRatio

            << QRectF(0, 0, 640, 480);

    QTest::newRow("800x600, (0,0, 640x480), KeepByExpanding")

            << QSize(800, 600)

            << QPointF(0, 0)

            << QSizeF(640, 480)

            << Qt::KeepAspectRatioByExpanding

            << QRectF(0, 0, 640, 480);

    QTest::newRow("800x600, (0,0, 640x480), Ignore")

            << QSize(800, 600)

            << QPointF(0, 0)

            << QSizeF(640, 480)

            << Qt::IgnoreAspectRatio

            << QRectF(0, 0, 640, 480);

    QTest::newRow("800x600, (100,100, 640x480), Keep")

            << QSize(800, 600)

            << QPointF(100, 100)

            << QSizeF(640, 480)

            << Qt::KeepAspectRatio

            << QRectF(100, 100, 640, 480);

    QTest::newRow("800x600, (100,-100, 640x480), KeepByExpanding")

            << QSize(800, 600)

            << QPointF(100, -100)

            << QSizeF(640, 480)

            << Qt::KeepAspectRatioByExpanding

            << QRectF(100, -100, 640, 480);

    QTest::newRow("800x600, (-100,-100, 640x480), Ignore")

            << QSize(800, 600)

            << QPointF(-100, -100)

            << QSizeF(640, 480)

            << Qt::IgnoreAspectRatio

            << QRectF(-100, -100, 640, 480);

    QTest::newRow("800x600, (0,0, 1920x1024), Keep")

            << QSize(800, 600)

            << QPointF(0, 0)

            << QSizeF(1920, 1024)

            << Qt::KeepAspectRatio

            << QRectF(832.0 / 3, 0, 4096.0 / 3, 1024);