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/***************************************************************************
* Copyright 2008 by Thomas Coopman <thomas.coopman@gmail.com> *
* *
* 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 "slideshow.h"
#include <QDir>
#include <QDirIterator>
#include <QTimer>
#include <KDebug>
#include <KRandomSequence>
#include "picture.h"
SlideShow::SlideShow(QObject *parent)
: QObject(parent)
{
m_filters << "*.jpeg" << "*.jpg" << "*.png" << "*.svg" << "*.svgz" << "*.bmp" << "*.tif"; // use mime types?
m_slideNumber = 0;
m_useRandom = false;
m_picture = new Picture(this);
connect(m_picture, SIGNAL(pictureLoaded(QPixmap)), this, SLOT(pictureLoaded(QPixmap)));
m_timer = new QTimer(this);
connect(m_timer, SIGNAL(timeout()), this, SLOT(nextPicture()));
}
SlideShow::~SlideShow()
{
}
void SlideShow::setRandom(bool useRandom)
{
m_useRandom = useRandom;
}
void SlideShow::setDirs(const QStringList &slideShowPath, bool recursive)
{
QDateTime setDirStart = QDateTime::currentDateTime();
m_image = QPixmap();
m_picturePaths.clear();
foreach(const QString &path, slideShowPath) {
addDir(KUrl(path).path(), recursive);
}
KRandomSequence randomSequence;
m_indexList.clear();
for (int j = 0; j < m_picturePaths.count(); j++) {
m_indexList.append(j);
}
randomSequence.randomize(m_indexList);
// select 1st picture
firstPicture();
// TODO do something meaningful if m_picturePaths.empty()
kDebug() << "Loaded " << m_picturePaths.size() << " pictures in " << setDirStart.secsTo(QDateTime::currentDateTime()) << " seconds";
}
void SlideShow::setImage(const QString &imagePath)
{
m_image = QPixmap();
m_picturePaths.clear();
addImage(imagePath);
m_currentUrl = url();
}
void SlideShow::addImage(const QString &imagePath)
{
m_picturePaths.append(imagePath);
}
void SlideShow::addDir(const QString &path, bool recursive)
{
QDirIterator dirIterator(path, m_filters, QDir::Files, (recursive ? QDirIterator::Subdirectories | QDirIterator::FollowSymlinks : QDirIterator::NoIteratorFlags));
QStringList dirPicturePaths;
while (dirIterator.hasNext()) {
dirIterator.next();
dirPicturePaths.append(dirIterator.filePath());
}
// the pictures have to be sorted before adding them to the list,
// because the QDirIterator sorts them in a different way than QDir::entryList
dirPicturePaths.sort();
m_picturePaths.append(dirPicturePaths);
}
QPixmap SlideShow::image() const
{
if (m_image.isNull() || m_currentUrl != m_picture->url()) {
kDebug() << "reloading from Picture" << m_currentUrl;
//m_currentUrl = m_picture->url();
m_picture->setPicture(m_currentUrl);
}
kDebug();
return m_image;
}
KUrl SlideShow::url(int offset)
{
if (!m_picturePaths.isEmpty()) {
m_slideNumber += offset;
if (m_slideNumber <= -1) {
m_slideNumber = m_picturePaths.count() - 1;
} else if (m_slideNumber >= m_picturePaths.count()) {
m_slideNumber = 0;
}
if (m_useRandom) {
return KUrl(m_picturePaths.at(m_indexList.at(m_slideNumber)));
} else {
return KUrl(m_picturePaths.at(m_slideNumber));
}
}
return KUrl();
}
void SlideShow::firstPicture()
{
m_slideNumber = 0;
m_currentUrl = url(0);
m_image = image();
emit pictureUpdated();
}
void SlideShow::nextPicture()
{
m_currentUrl = url(1);
m_image = image();
emit pictureUpdated();
}
void SlideShow::previousPicture()
{
m_currentUrl = url(-1);
m_image = image();
emit pictureUpdated();
}
KUrl SlideShow::currentUrl() const
{
return m_currentUrl;
}
void SlideShow::setUpdateInterval(int msec)
{
m_timer->stop();
if (msec > 1) {
if (m_currentUrl.isEmpty()) {
m_currentUrl = url();
}
m_timer->start(msec);
}
}
QString SlideShow::message() const
{
return m_picture->message();
}
void SlideShow::pictureLoaded(QPixmap image)
{
m_image = image;
emit pictureUpdated();
}
void SlideShow::clearPicture()
{
m_image = QPixmap();
}
void SlideShow::dataUpdated(const QString &name, const Plasma::DataEngine::Data &data)
{
if (data.isEmpty()) {
m_image = QPixmap();
m_picture->setMessage(i18n("No Picture from this Provider."));
return;
}
m_image = data[name].value<QPixmap>();
m_picture->setMessage(QString());
emit pictureUpdated();
}
#include "slideshow.moc"
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