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/* This file is part of the KDE project
Copyright (C) 2007 Matthias Kretz <[email protected]>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of
the License, 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 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 "phononwidget.h"
#include <Phonon/AudioOutput>
#include <Phonon/Global>
#include <Phonon/MediaObject>
#include <Phonon/SeekSlider>
#include <Phonon/VideoWidget>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QShowEvent>
#include <QToolButton>
#include <KDialog>
#include <QIcon>
#include <KIconLoader>
#include <KUrl>
#include <KLocale>
class EmbeddedVideoPlayer : public Phonon::VideoWidget
{
public:
EmbeddedVideoPlayer(QWidget *parent = 0) :
Phonon::VideoWidget(parent)
{
}
void setSizeHint(const QSize& size)
{
m_sizeHint = size;
updateGeometry();
}
virtual QSize sizeHint() const
{
return m_sizeHint.isValid() ? m_sizeHint : Phonon::VideoWidget::sizeHint();
}
private:
QSize m_sizeHint;
};
PhononWidget::PhononWidget(QWidget *parent)
: QWidget(parent),
m_url(),
m_playButton(0),
m_stopButton(0),
m_topLayout(0),
m_media(0),
m_seekSlider(0),
m_audioOutput(0),
m_videoPlayer(0)
{
}
void PhononWidget::setUrl(const KUrl &url)
{
if (m_url != url) {
stop(); // emits playingStopped() signal
m_url = url;
}
}
KUrl PhononWidget::url() const
{
return m_url;
}
void PhononWidget::setVideoSize(const QSize& size)
{
if (m_videoSize != size) {
m_videoSize = size;
applyVideoSize();
}
}
QSize PhononWidget::videoSize() const
{
return m_videoSize;
}
void PhononWidget::showEvent(QShowEvent *event)
{
if (event->spontaneous()) {
QWidget::showEvent(event);
return;
}
if (!m_topLayout) {
m_topLayout = new QVBoxLayout(this);
m_topLayout->setMargin(0);
m_topLayout->setSpacing(KDialog::spacingHint());
QHBoxLayout *controlsLayout = new QHBoxLayout(this);
controlsLayout->setMargin(0);
controlsLayout->setSpacing(0);
m_playButton = new QToolButton(this);
m_stopButton = new QToolButton(this);
m_seekSlider = new Phonon::SeekSlider(this);
controlsLayout->addWidget(m_playButton);
controlsLayout->addWidget(m_stopButton);
controlsLayout->addWidget(m_seekSlider);
m_topLayout->addLayout(controlsLayout);
const int smallIconSize = IconSize(KIconLoader::Small);
const QSize buttonSize(smallIconSize, smallIconSize);
m_playButton->setToolTip(i18n("play"));
m_playButton->setIconSize(buttonSize);
m_playButton->setIcon(QIcon::fromTheme("media-playback-start"));
m_playButton->setAutoRaise(true);
connect(m_playButton, &QToolButton::clicked, this, &PhononWidget::play);
m_stopButton->setToolTip(i18n("stop"));
m_stopButton->setIconSize(buttonSize);
m_stopButton->setIcon(QIcon::fromTheme("media-playback-stop"));
m_stopButton->setAutoRaise(true);
m_stopButton->hide();
connect(m_stopButton, &QToolButton::clicked, this, &PhononWidget::stop);
m_seekSlider->setIconVisible(false);
// Creating an audio player or video player instance might take up to
// 2 seconds when doing it the first time. To prevent that the user
// interface gets noticeable blocked, the creation is delayed until
// the play button has been pressed (see PhononWidget::play()).
}
}
void PhononWidget::hideEvent(QHideEvent *event)
{
QWidget::hideEvent(event);
if (!event->spontaneous()) {
stop();
}
}
void PhononWidget::stateChanged(Phonon::State newstate)
{
setUpdatesEnabled(false);
switch (newstate) {
case Phonon::PlayingState:
case Phonon::BufferingState:
m_stopButton->show();
m_playButton->hide();
break;
default:
m_stopButton->hide();
m_playButton->show();
break;
}
setUpdatesEnabled(true);
}
void PhononWidget::play()
{
if (!m_media) {
m_media = new Phonon::MediaObject(this);
connect(m_media, &Phonon::MediaObject::stateChanged,
this, &PhononWidget::stateChanged);
connect(m_media, &Phonon::MediaObject::hasVideoChanged,
this, &PhononWidget::slotHasVideoChanged);
m_seekSlider->setMediaObject(m_media);
}
if (!m_audioOutput) {
m_audioOutput = new Phonon::AudioOutput(Phonon::MusicCategory, this);
Phonon::createPath(m_media, m_audioOutput);
}
emit hasVideoChanged(false);
m_media->setCurrentSource(m_url);
m_media->hasVideo();
m_media->play();
}
void PhononWidget::stop()
{
if (m_media) {
m_media->stop();
m_stopButton->hide();
m_playButton->show();
}
if (m_videoPlayer) {
m_videoPlayer->hide();
}
emit hasVideoChanged(false);
}
void PhononWidget::slotHasVideoChanged(bool hasVideo)
{
emit hasVideoChanged(hasVideo);
if (hasVideo) {
if (!m_videoPlayer) {
// Replay the media to apply path changes
m_media->stop();
m_videoPlayer = new EmbeddedVideoPlayer(this);
m_topLayout->insertWidget(0, m_videoPlayer);
Phonon::createPath(m_media, m_videoPlayer);
m_media->play();
}
applyVideoSize();
m_videoPlayer->show();
}
}
void PhononWidget::applyVideoSize()
{
if ((m_videoPlayer) && m_videoSize.isValid()) {
m_videoPlayer->setSizeHint(m_videoSize);
}
}
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