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//TESTED_COMPONENT=src/multimedia

#include <qtmultimediadefs.h>
#include <QtTest/QtTest>

#include <QtCore/qdir.h>

#include <qgraphicsvideoitem.h>
#include <qmediaimageviewer.h>
#include <private/qmediaimageviewerservice_p.h>
#include <qmediaplaylist.h>
#include <qmediaservice.h>
#include <qvideorenderercontrol.h>
#include <qvideowidget.h>
#include <qvideowidgetcontrol.h>

#include <qabstractvideosurface.h>
#include <qvideosurfaceformat.h>

QT_USE_NAMESPACE

class tst_QMediaImageViewerWidgets : public QObject
{
    Q_OBJECT
private slots:
    void setVideoOutput();
};

class QtTestVideoSurface : public QAbstractVideoSurface
{
public:
    QList<QVideoFrame::PixelFormat> supportedPixelFormats(
            QAbstractVideoBuffer::HandleType handleType) const {
        QList<QVideoFrame::PixelFormat> formats;
        if (handleType == QAbstractVideoBuffer::NoHandle) {
            formats << QVideoFrame::Format_RGB32;
        }
        return formats;
    }

    QVideoFrame frame() const { return m_frame;  }

    bool present(const QVideoFrame &frame) { m_frame = frame; return true; }

private:
    QVideoFrame m_frame;
};

void tst_QMediaImageViewerWidgets::setVideoOutput()
{
    QMediaImageViewer imageViewer;
    imageViewer.setMedia(QMediaContent(QUrl("qrc:///images/image.png")));

    connect(&imageViewer, SIGNAL(mediaStatusChanged(QMediaImageViewer::MediaStatus)),
            &QTestEventLoop::instance(), SLOT(exitLoop()));
    QTestEventLoop::instance().enterLoop(2);

    if (imageViewer.mediaStatus() != QMediaImageViewer::LoadedMedia)
        QSKIP("failed to load test image", SkipSingle);

    QVideoWidget widget;
    QGraphicsVideoItem item;
    QtTestVideoSurface surface;

    imageViewer.setVideoOutput(&widget);
    QVERIFY(widget.mediaObject() == &imageViewer);

    imageViewer.setVideoOutput(&item);
    QVERIFY(widget.mediaObject() == 0);
    QVERIFY(item.mediaObject() == &imageViewer);

    imageViewer.setVideoOutput(reinterpret_cast<QVideoWidget *>(0));
    QVERIFY(item.mediaObject() == 0);

    imageViewer.setVideoOutput(&widget);
    QVERIFY(widget.mediaObject() == &imageViewer);

    imageViewer.setVideoOutput(reinterpret_cast<QGraphicsVideoItem *>(0));
    QVERIFY(widget.mediaObject() == 0);

    imageViewer.setVideoOutput(&surface);
    QVERIFY(surface.isActive());

    imageViewer.setVideoOutput(reinterpret_cast<QAbstractVideoSurface *>(0));
    QVERIFY(!surface.isActive());

    imageViewer.setVideoOutput(&surface);
    QVERIFY(surface.isActive());

    imageViewer.setVideoOutput(&widget);
    QVERIFY(!surface.isActive());
    QVERIFY(widget.mediaObject() == &imageViewer);

    imageViewer.setVideoOutput(&surface);
    QVERIFY(surface.isActive());
    QVERIFY(widget.mediaObject() == 0);
}

QTEST_MAIN(tst_QMediaImageViewerWidgets)

#include "tst_qmediaimageviewerwidgets.moc"