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#include "qdeclarativevideo_p.h"

#include <qmediaplayercontrol.h>

#include <qmediaservice.h>

#include <qpaintervideosurface_p.h>

#include <qvideorenderercontrol.h>

QT_BEGIN_NAMESPACE

void QDeclarativeVideo::_q_nativeSizeChanged(const QSizeF &size)

{

    setImplicitWidth(size.width());

    setImplicitHeight(size.height());

}

void QDeclarativeVideo::_q_error(int errorCode, const QString &errorString)

{

    m_error = QMediaPlayer::Error(errorCode);

    m_errorString = errorString;

    emit error(Error(errorCode), errorString);

    emit errorChanged();

}

/*!

    \qmlclass Video QDeclarativeVideo

    \brief The Video element allows you to add videos to a scene.

    \inherits Item

    This element is part of the \bold{Qt.multimedia 1.0} module.

    \qml

    import Qt 4.7

    import Qt.multimedia 1.0

    Video {

        id: video

        width : 800

        height : 600

        source: "video.avi"

        MouseArea {

            anchors.fill: parent

            onClicked: {

                video.play()

            }

        }

        focus: true

        Keys.onSpacePressed: video.paused = !video.paused

        Keys.onLeftPressed: video.position -= 5000

        Keys.onRightPressed: video.position += 5000

    }

    \endqml

    The Video item supports untransformed, stretched, and uniformly scaled video presentation.

    For a description of stretched uniformly scaled presentation, see the \l fillMode property

    description.

    The Video item is only visible when the \l hasVideo property is true and the video is playing.

    \sa Audio

*/

/*!

    \internal

    \class QDeclarativeVideo

    \brief The QDeclarativeVideo class provides a video item that you can add to a QDeclarativeView.

*/

QDeclarativeVideo::QDeclarativeVideo(QDeclarativeItem *parent)

    : QDeclarativeItem(parent)

    , m_graphicsItem(0)

{

    m_graphicsItem = new QGraphicsVideoItem(this);

    connect(m_graphicsItem, SIGNAL(nativeSizeChanged(QSizeF)),

            this, SLOT(_q_nativeSizeChanged(QSizeF)));

}

QDeclarativeVideo::~QDeclarativeVideo()

{

    shutdown();

    delete m_graphicsItem;

}

/*!

    \qmlproperty url Video::source

    This property holds the source URL of the media.

*/

/*!

    \qmlproperty url Video::autoLoad

    This property indicates if loading of media should begin immediately.

    Defaults to true, if false media will not be loaded until playback is started.

*/

/*!

    \qmlproperty bool Video::playing

    This property holds whether the media is playing.

    Defaults to false, and can be set to true to start playback.

*/

/*!

    \qmlproperty bool Video::paused

    This property holds whether the media is paused.

    Defaults to false, and can be set to true to pause playback.

*/

/*!

    \qmlsignal Video::onStarted()

    This handler is called when playback is started.

*/

/*!

    \qmlsignal Video::onResumed()

    This handler is called when playback is resumed from the paused state.

*/

/*!

    \qmlsignal Video::onPaused()

    This handler is called when playback is paused.

*/

/*!

    \qmlsignal Video::onStopped()

    This handler is called when playback is stopped.

*/

/*!

    \qmlproperty enumeration Video::status

    This property holds the status of media loading. It can be one of:

    \list

    \o NoMedia - no media has been set.

    \o Loading - the media is currently being loaded.

    \o Loaded - the media has been loaded.

    \o Buffering - the media is buffering data.

    \o Stalled - playback has been interrupted while the media is buffering data.

    \o Buffered - the media has buffered data.

    \o EndOfMedia - the media has played to the end.

    \o InvalidMedia - the media cannot be played.

    \o UnknownStatus - the status of the media is cannot be determined.

    \endlist

*/

QDeclarativeVideo::Status QDeclarativeVideo::status() const

{

    return Status(m_status);

}

/*!

    \qmlsignal Video::onLoaded()

    This handler is called when the media source has been loaded.

*/

/*!

    \qmlsignal Video::onBuffering()

    This handler is called when the media starts buffering.

*/

/*!

    \qmlsignal Video::onStalled()

    This handler is called when playback has stalled while the media buffers.

*/

/*!

    \qmlsignal Video::onBuffered()

    This handler is called when the media has finished buffering.

*/

/*!

    \qmlsignal Video::onEndOfMedia()

    This handler is called when playback stops because end of the media has been reached.

*/

/*!

    \qmlproperty int Video::duration

    This property holds the duration of the media in milliseconds.

    If the media doesn't have a fixed duration (a live stream for example) this will be 0.

*/

/*!

    \qmlproperty int Video::position

    This property holds the current playback position in milliseconds.

*/

/*!

    \qmlproperty real Video::volume

    This property holds the volume of the audio output, from 0.0 (silent) to 1.0 (maximum volume).

*/

/*!

    \qmlproperty bool Video::muted

    This property holds whether the audio output is muted.

*/

/*!

    \qmlproperty bool Video::hasAudio

    This property holds whether the media contains audio.

*/

bool QDeclarativeVideo::hasAudio() const

{

    return m_playerControl == 0 ? false : m_playerControl->isAudioAvailable();

}

/*!

    \qmlproperty bool Video::hasVideo

    This property holds whether the media contains video.

*/

bool QDeclarativeVideo::hasVideo() const

{

    return m_playerControl == 0 ? false : m_playerControl->isVideoAvailable();

}

/*!

    \qmlproperty real Video::bufferProgress

    This property holds how much of the data buffer is currently filled, from 0.0 (empty) to 1.0

    (full).

*/

/*!

    \qmlproperty bool Video::seekable

    This property holds whether position of the video can be changed.

*/

/*!

    \qmlproperty real Video::playbackRate

    This property holds the rate at which video is played at as a multiple of the normal rate.

*/

/*!

    \qmlproperty enumeration Video::error

    This property holds the error state of the video.  It can be one of:

    \list

    \o NoError - there is no current error.

    \o ResourceError - the video cannot be played due to a problem allocating resources.

    \o FormatError - the video format is not supported.

    \o NetworkError - the video cannot be played due to network issues.

    \o AccessDenied - the video cannot be played due to insufficient permissions.

    \o ServiceMissing -  the video cannot be played because the media service could not be

    instantiated.

    \endlist

*/

QDeclarativeVideo::Error QDeclarativeVideo::error() const

{

    return Error(m_error);

}

/*!

    \qmlproperty string Video::errorString

    This property holds a string describing the current error condition in more detail.

*/

/*!

    \qmlsignal Video::onError(error, errorString)

    This handler is called when an \l {QMediaPlayer::Error}{error} has

    occurred.  The errorString parameter may contain more detailed

    information about the error.

*/

/*!

    \qmlproperty enumeration Video::fillMode

    Set this property to define how the video is scaled to fit the target area.

    \list

    \o Stretch - the video is scaled to fit.

    \o PreserveAspectFit - the video is scaled uniformly to fit without cropping

    \o PreserveAspectCrop - the video is scaled uniformly to fill, cropping if necessary

    \endlist

    The default fill mode is PreserveAspectFit.

*/

QDeclarativeVideo::FillMode QDeclarativeVideo::fillMode() const

{

    return FillMode(m_graphicsItem->aspectRatioMode());

}

void QDeclarativeVideo::setFillMode(FillMode mode)

{

    m_graphicsItem->setAspectRatioMode(Qt::AspectRatioMode(mode));

}

/*!

    \qmlmethod Video::play()

    Starts playback of the media.

    Sets the \l playing property to true, and the \l paused property to false.

*/

void QDeclarativeVideo::play()

{

    if (m_playerControl == 0)

        return;

    setPaused(false);

    setPlaying(true);

}

/*!

    \qmlmethod Video::pause()

    Pauses playback of the media.

    Sets the \l playing and \l paused properties to true.

*/

void QDeclarativeVideo::pause()

{

    if (m_playerControl == 0)

        return;

    setPaused(true);

    setPlaying(true);

}

/*!

    \qmlmethod Video::stop()

    Stops playback of the media.

    Sets the \l playing and \l paused properties to false.

*/

void QDeclarativeVideo::stop()

{

    if (m_playerControl == 0)

        return;

    setPlaying(false);

    setPaused(false);

}

void QDeclarativeVideo::paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *)

{

}

void QDeclarativeVideo::geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry)

{

    m_graphicsItem->setSize(newGeometry.size());

    QDeclarativeItem::geometryChanged(newGeometry, oldGeometry);

}

void QDeclarativeVideo::componentComplete()

{

    setObject(this);

    if (m_mediaService) {

        connect(m_playerControl, SIGNAL(audioAvailableChanged(bool)),

                this, SIGNAL(hasAudioChanged()));

        connect(m_playerControl, SIGNAL(videoAvailableChanged(bool)),

                this, SIGNAL(hasVideoChanged()));

        m_mediaObject->bind(m_graphicsItem);

    }

}

QT_END_NAMESPACE

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

// Documentation for meta-data properties.

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

/*!

    \qmlproperty variant Video::title

    This property holds the tile of the media.

    \sa {QtMultimediaKit::Title}

*/

/*!

    \qmlproperty variant Video::subTitle

    This property holds the sub-title of the media.

    \sa {QtMultimediaKit::SubTitle}

*/

/*!

    \qmlproperty variant Video::author

    This property holds the author of the media.

    \sa {QtMultimediaKit::Author}

*/

/*!

    \qmlproperty variant Video::comment

    This property holds a user comment about the media.

    \sa {QtMultimediaKit::Comment}

*/

/*!

    \qmlproperty variant Video::description

    This property holds a description of the media.

    \sa {QtMultimediaKit::Description}

*/

/*!

    \qmlproperty variant Video::category

    This property holds the category of the media

    \sa {QtMultimediaKit::Category}

*/

/*!

    \qmlproperty variant Video::genre

    This property holds the genre of the media.

    \sa {QtMultimediaKit::Genre}

*/

/*!

    \qmlproperty variant Video::year

    This property holds the year of release of the media.

    \sa {QtMultimediaKit::Year}

*/

/*!

    \qmlproperty variant Video::date

    This property holds the date of the media.

    \sa {QtMultimediaKit::Date}

*/

/*!

    \qmlproperty variant Video::userRating

    This property holds a user rating of the media in the range of 0 to 100.

    \sa {QtMultimediaKit::UserRating}

*/

/*!

    \qmlproperty variant Video::keywords