plasma-framework/widgets/videowidget.cpp
Marco Martin 604bd19638 clip only when animating: some flicker, but clipping always is a bit
slower and seems to lose mouse events when the applet is in a
containment

svn path=/trunk/KDE/kdelibs/; revision=926630
2009-02-15 21:42:25 +00:00

541 lines
14 KiB
C++

/*
* Copyright 2009 Marco Martin <notmart@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "videowidget.h"
#include <QUrl>
#include <QTimer>
#include <QGraphicsLinearLayout>
#include <QGraphicsSceneResizeEvent>
#include <kicon.h>
#include <kfiledialog.h>
#include <phonon/videowidget.h>
#include <phonon/mediaobject.h>
#include <phonon/mediasource.h>
#include <phonon/audiooutput.h>
#include <plasma/widgets/iconwidget.h>
#include <plasma/widgets/slider.h>
#include <plasma/widgets/frame.h>
namespace Plasma
{
class VideoWidgetPrivate
{
public:
VideoWidgetPrivate(VideoWidget *video)
: q(video),
ticking(false),
forceControlsVisible(false),
animId(0),
hideTimer(0),
shownControls(VideoWidget::NoControls),
controlsWidget(0),
playButton(0),
pauseButton(0),
stopButton(0),
playPauseButton(0),
progress(0),
volume(0),
openFileButton(0)
{
}
~VideoWidgetPrivate()
{
}
void playPause();
void ticked(qint64 progress);
void totalTimeChanged(qint64 time);
void setPosition(int newProgress);
void setVolume(int value);
void volumeChanged(qreal value);
void showOpenFileDialog();
void openFile(const QString &path);
void stateChanged(Phonon::State newState, Phonon::State oldState);
void animateControlWidget(bool show);
void hideControlWidget();
void slidingCompleted(QGraphicsItem *item);
bool spaceForControlsAvailable();
VideoWidget *q;
Phonon::VideoWidget *videoWidget;
Phonon::AudioOutput *audioOutput;
Phonon::MediaObject *media;
bool ticking;
bool forceControlsVisible;
//control widgets
int animId;
QTimer *hideTimer;
VideoWidget::Controls shownControls;
Plasma::Frame *controlsWidget;
IconWidget *playButton;
IconWidget *pauseButton;
IconWidget *stopButton;
IconWidget *playPauseButton;
Slider *progress;
Slider *volume;
IconWidget *openFileButton;
};
void VideoWidgetPrivate::playPause()
{
if (media->state() == Phonon::PlayingState) {
media->pause();
} else {
media->play();
}
}
void VideoWidgetPrivate::ticked(qint64 newProgress)
{
ticking = true;
progress->setValue(newProgress);
ticking = false;
}
void VideoWidgetPrivate::totalTimeChanged(qint64 time)
{
ticking = true;
//FIXME: this will break for veeery long stuff, butPhonon::SeekSlider seems to have the same problem
progress->setRange(0, time);
ticking = false;
}
void VideoWidgetPrivate::setPosition(int progress)
{
if (!ticking) {
media->seek(progress);
}
}
void VideoWidgetPrivate::setVolume(int value)
{
audioOutput->setVolume(qreal(value)/100.0);
}
void VideoWidgetPrivate::volumeChanged(qreal value)
{
volume->setValue(value*100);
}
void VideoWidgetPrivate::showOpenFileDialog()
{
openFile(KFileDialog::getOpenFileName());
}
void VideoWidgetPrivate::openFile(const QString &path)
{
media->setCurrentSource(Phonon::MediaSource(path));
media->play();
}
void VideoWidgetPrivate::stateChanged(Phonon::State newState, Phonon::State oldState)
{
Q_UNUSED(oldState)
if (newState == Phonon::PlayingState) {
playPauseButton->setIcon("media-playback-pause");
} else {
playPauseButton->setIcon("media-playback-start");
}
}
void VideoWidgetPrivate::animateControlWidget(bool show)
{
if (!controlsWidget || controlsWidget->isVisible() == show) {
return;
}
QPoint oldPos(0,0);
QPoint newPos(0,0);
if (show) {
oldPos = QPoint(0, -controlsWidget->size().height());
} else {
newPos = QPoint(0, -controlsWidget->size().height());
}
//clip only when animating
q->setFlags(q->flags()|QGraphicsItem::ItemClipsChildrenToShape);
controlsWidget->setPos(oldPos);
controlsWidget->show();
animId = Animator::self()->moveItem(
controlsWidget, Plasma::Animator::SlideOutMovement,
newPos);
}
void VideoWidgetPrivate::hideControlWidget()
{
animateControlWidget(false);
}
void VideoWidgetPrivate::slidingCompleted(QGraphicsItem *item)
{
Q_UNUSED(item)
animId = 0;
if (!controlsWidget) {
return;
}
//usually don't clip
q->setFlags(q->flags()^QGraphicsItem::ItemClipsChildrenToShape);
if (controlsWidget->pos().y() < 0) {
controlsWidget->hide();
} else if (!forceControlsVisible) {
hideTimer->start(3000);
}
}
bool VideoWidgetPrivate::spaceForControlsAvailable()
{
if (controlsWidget) {
QSize hint = controlsWidget->effectiveSizeHint(Qt::MinimumSize).toSize();
return (q->size().width() >= hint.width()) &&
(q->size().height() >= hint.height());
} else {
return true;
}
}
VideoWidget::VideoWidget(QGraphicsWidget *parent)
: QGraphicsProxyWidget(parent),
d(new VideoWidgetPrivate(this))
{
d->videoWidget = new Phonon::VideoWidget;
d->audioOutput = new Phonon::AudioOutput(this);
d->media = new Phonon::MediaObject(this);
//it appears that the path has to be created BEFORE setting the proxy
Phonon::createPath(d->media, d->videoWidget);
Phonon::createPath(d->media, d->audioOutput);
setWidget(d->videoWidget);
setAcceptHoverEvents(true);
connect(d->media, SIGNAL(tick(qint64)), this, SIGNAL(tick(qint64)));
connect(d->media, SIGNAL(aboutToFinish()), this, SIGNAL(aboutToFinish()));
connect(Plasma::Animator::self(), SIGNAL(movementFinished(QGraphicsItem*)),
this, SLOT(slidingCompleted(QGraphicsItem*)));
}
VideoWidget::~VideoWidget()
{
delete d;
}
Phonon::MediaObject *VideoWidget::mediaObject() const
{
return d->media;
}
Phonon::AudioOutput *VideoWidget::audioOutput() const
{
return d->audioOutput;
}
void VideoWidget::setUrl(const QString &url)
{
d->media->setCurrentSource(Phonon::MediaSource(url));
}
QString VideoWidget::url() const
{
return d->media->currentSource().url().toString();
}
void VideoWidget::setUsedControls(const Controls controls)
{
d->shownControls = controls;
//kDebug()<<"Setting used controls"<<controls;
QGraphicsLinearLayout *controlsLayout;
if (controls != NoControls && d->controlsWidget == 0) {
d->controlsWidget = new Plasma::Frame(this);
d->controlsWidget->setFrameShadow(Plasma::Frame::Raised);
controlsLayout = new QGraphicsLinearLayout(Qt::Horizontal, d->controlsWidget);
d->hideTimer = new QTimer(this);
connect(d->hideTimer, SIGNAL(timeout()), this, SLOT(hideControlWidget()));
//controls == NoControls
} else if (d->controlsWidget != 0) {
d->controlsWidget->deleteLater();
d->hideTimer->deleteLater();
d->controlsWidget = 0;
//disconnect all the stuff that wasn't automatically disconnected 'cause widget deaths
disconnect(d->media, SIGNAL(stateChanged(Phonon::State, Phonon::State)), this, SLOT(stateChanged(Phonon::State, Phonon::State)));
disconnect(d->media, SIGNAL(tick(qint64)), this, SLOT(ticked(qint64)));
disconnect(d->media, SIGNAL(totalTimeChanged(qint64)), this, SLOT(totalTimeChanged(qint64)));
disconnect(d->audioOutput, SIGNAL(volumeChanged(qreal)), this, SLOT(volumeChanged(qreal)));
return;
}
//empty the layout
while (controlsLayout->count() > 0) {
controlsLayout->removeAt(0);
}
if (controls&Play) {
if (!d->playButton) {
d->playButton = new IconWidget(d->controlsWidget);
d->playButton->setIcon("media-playback-start");
connect(d->playButton, SIGNAL(clicked()), this, SLOT(play()));
}
controlsLayout->addItem(d->playButton);
} else {
d->playButton->deleteLater();
d->playButton = 0;
}
if (controls&Pause) {
if (!d->pauseButton) {
d->pauseButton = new IconWidget(d->controlsWidget);
d->pauseButton->setIcon("media-playback-pause");
connect(d->pauseButton, SIGNAL(clicked()), this, SLOT(pause()));
}
controlsLayout->addItem(d->pauseButton);
} else {
d->pauseButton->deleteLater();
d->pauseButton = 0;
}
if (controls&Stop) {
if (!d->stopButton) {
d->stopButton = new IconWidget(d->controlsWidget);
d->stopButton->setIcon("media-playback-stop");
connect(d->stopButton, SIGNAL(clicked()), this, SLOT(stop()));
}
controlsLayout->addItem(d->stopButton);
} else {
d->stopButton->deleteLater();
d->stopButton = 0;
}
if (controls&PlayPause) {
if (!d->playPauseButton) {
d->playPauseButton = new IconWidget(d->controlsWidget);
d->playPauseButton->setIcon("media-playback-start");
connect(d->playPauseButton, SIGNAL(clicked()), this, SLOT(playPause()));
}
controlsLayout->addItem(d->playPauseButton);
} else {
d->playPauseButton->deleteLater();
d->playPauseButton = 0;
}
connect(d->media, SIGNAL(stateChanged(Phonon::State, Phonon::State)), this, SLOT(stateChanged(Phonon::State, Phonon::State)));
if (controls&Progress) {
if (!d->progress) {
d->progress = new Slider(d->controlsWidget);
d->progress->setMinimum(0);
d->progress->setMaximum(100);
d->progress->setOrientation(Qt::Horizontal);
controlsLayout->setStretchFactor(d->progress, 4);
connect(d->media, SIGNAL(tick(qint64)), this, SLOT(ticked(qint64)));
connect(d->media, SIGNAL(totalTimeChanged(qint64)), SLOT(totalTimeChanged(qint64)));
connect(d->progress, SIGNAL(valueChanged(int)), this, SLOT(setPosition(int)));
}
controlsLayout->addItem(d->progress);
} else {
d->progress->deleteLater();
d->progress = 0;
}
if (controls&Volume) {
if (!d->volume) {
d->volume = new Slider(d->controlsWidget);
d->volume->setMinimum(0);
d->volume->setMaximum(100);
d->volume->setValue(100);
d->volume->setOrientation(Qt::Horizontal);
connect(d->volume, SIGNAL(valueChanged(int)), SLOT(setVolume(int)));
connect(d->audioOutput, SIGNAL(volumeChanged(qreal)), SLOT(volumeChanged(qreal)));
}
controlsLayout->addItem(d->volume);
} else {
d->volume->deleteLater();
d->volume = 0;
}
if (controls&OpenFile) {
if (!d->openFileButton) {
d->openFileButton = new IconWidget(d->controlsWidget);
d->openFileButton->setIcon(KIcon("document-open"));
connect(d->openFileButton, SIGNAL(clicked()), this, SLOT(showOpenFileDialog()));
}
controlsLayout->addItem(d->openFileButton);
} else {
d->openFileButton->deleteLater();
d->openFileButton = 0;
}
controlsLayout->activate();
d->controlsWidget->setPos(0,-d->controlsWidget->size().height());
d->controlsWidget->resize(size().width(), d->controlsWidget->size().height());
d->controlsWidget->hide();
}
VideoWidget::Controls VideoWidget::usedControls() const
{
return d->shownControls;
}
void VideoWidget::play()
{
d->media->play();
}
void VideoWidget::pause()
{
d->media->pause();
}
void VideoWidget::stop()
{
d->media->stop();
}
void VideoWidget::seek(qint64 time)
{
d->media->seek(time);
}
qint64 VideoWidget::currentTime() const
{
return d->media->currentTime();
}
qint64 VideoWidget::totalTime() const
{
return d->media->totalTime();
}
qint64 VideoWidget::remainingTime() const
{
return d->media->remainingTime();
}
void VideoWidget::setControlsVisible(bool visible)
{
if (d->controlsWidget) {
d->forceControlsVisible = visible;
d->animateControlWidget(visible);
}
}
bool VideoWidget::controlsVisible() const
{
return d->controlsWidget != 0 && d->controlsWidget->isVisible();
}
void VideoWidget::setStyleSheet(const QString &stylesheet)
{
d->videoWidget->setStyleSheet(stylesheet);
}
QString VideoWidget::styleSheet()
{
return d->videoWidget->styleSheet();
}
Phonon::VideoWidget *VideoWidget::nativeWidget() const
{
return d->videoWidget;
}
void VideoWidget::resizeEvent(QGraphicsSceneResizeEvent *event)
{
QGraphicsProxyWidget::resizeEvent(event);
if (d->controlsWidget) {
d->controlsWidget->resize(event->newSize().width(), d->controlsWidget->size().height());
if (d->spaceForControlsAvailable()) {
d->animateControlWidget(false);
}
}
}
void VideoWidget::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
{
Q_UNUSED(event)
if (d->controlsWidget &&
!d->forceControlsVisible &&
d->spaceForControlsAvailable()) {
d->animateControlWidget(true);
}
}
void VideoWidget::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
{
Q_UNUSED(event)
if (d->controlsWidget && !d->forceControlsVisible) {
d->hideTimer->start(1000);
}
}
void VideoWidget::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
{
Q_UNUSED(event)
if (d->forceControlsVisible || !d->controlsWidget) {
return;
}
d->hideTimer->start(3000);
if (!d->controlsWidget->isVisible() &&
d->spaceForControlsAvailable()) {
d->animateControlWidget(true);
}
}
} // namespace Plasma
#include <videowidget.moc>