plasma-framework/wallpaper.cpp

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/*
* Copyright 2008 by Aaron Seigo <aseigo@kde.org>
* Copyright 2008 by Petri Damsten <damu@iki.fi>
*
* 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 "wallpaper.h"
#include <KServiceTypeTrader>
#include <KDebug>
#include <version.h>
namespace Plasma
{
class WallpaperPrivate
{
public:
WallpaperPrivate(KService::Ptr service, Wallpaper *wallpaper) :
q(wallpaper),
wallpaperDescription(service)
{
};
~WallpaperPrivate()
{
};
Wallpaper *q;
KPluginInfo wallpaperDescription;
QRectF boundingRect;
KServiceAction mode;
};
Wallpaper::Wallpaper(QObject *parentObject, const QVariantList &args)
: d(new WallpaperPrivate(KService::serviceByStorageId(args.count() > 0 ?
args[0].toString() : QString()), this))
{
// now remove first item since those are managed by Wallpaper and subclasses shouldn't
// need to worry about them. yes, it violates the constness of this var, but it lets us add
// or remove items later while applets can just pretend that their args always start at 0
QVariantList &mutableArgs = const_cast<QVariantList &>(args);
if (!mutableArgs.isEmpty()) {
mutableArgs.removeFirst();
}
setParent(parentObject);
}
Wallpaper::~Wallpaper()
{
delete d;
}
KPluginInfo::List Wallpaper::listWallpaperInfo(const QString &formFactor)
{
QString constraint;
if (!formFactor.isEmpty()) {
constraint.append("[X-Plasma-FormFactors] ~~ '").append(formFactor).append("'");
}
KService::List offers = KServiceTypeTrader::self()->query("Plasma/Wallpaper", constraint);
return KPluginInfo::fromServices(offers);
}
Wallpaper *Wallpaper::load(const QString &wallpaperName, const QVariantList &args)
{
if (wallpaperName.isEmpty()) {
return 0;
}
QString constraint = QString("[X-KDE-PluginInfo-Name] == '%1'").arg(wallpaperName);
KService::List offers = KServiceTypeTrader::self()->query("Plasma/Wallpaper", constraint);
if (offers.isEmpty()) {
kDebug() << "offers is empty for " << wallpaperName;
return 0;
}
KService::Ptr offer = offers.first();
KPluginLoader plugin(*offer);
if (!Plasma::isPluginVersionCompatible(plugin.pluginVersion())) {
return 0;
}
QVariantList allArgs;
allArgs << offer->storageId() << args;
QString error;
Wallpaper *wallpaper = offer->createInstance<Plasma::Wallpaper>(0, allArgs, &error);
if (!wallpaper) {
kDebug() << "Couldn't load wallpaper \"" << wallpaperName << "\"! reason given: " << error;
}
return wallpaper;
}
Wallpaper *Wallpaper::load(const KPluginInfo &info, const QVariantList &args)
{
if (!info.isValid()) {
return 0;
}
return load(info.pluginName(), args);
}
QString Wallpaper::name() const
{
if (!d->wallpaperDescription.isValid()) {
return i18n("Unknown Wallpaper");
}
return d->wallpaperDescription.name();
}
QString Wallpaper::icon() const
{
if (!d->wallpaperDescription.isValid()) {
return QString();
}
return d->wallpaperDescription.icon();
}
QString Wallpaper::pluginName() const
{
if (!d->wallpaperDescription.isValid()) {
return QString();
}
return d->wallpaperDescription.pluginName();
}
KServiceAction Wallpaper::renderingMode() const
{
return d->mode;
}
QList<KServiceAction> Wallpaper::listRenderingModes() const
{
if (!d->wallpaperDescription.isValid()) {
return QList<KServiceAction>();
}
return d->wallpaperDescription.service()->actions();
}
QRectF Wallpaper::boundingRect() const
{
return d->boundingRect;
}
void Wallpaper::setBoundingRect(const QRectF &boundingRect)
{
d->boundingRect = boundingRect;
}
void Wallpaper::restore(const KConfigGroup &config, const QString &mode)
{
d->mode = KServiceAction();
if (!mode.isEmpty()) {
QList<KServiceAction> modes = listRenderingModes();
foreach (const KServiceAction &action, modes) {
if (action.name() == mode) {
d->mode = action;
break;
}
}
}
init(config);
}
void Wallpaper::init(const KConfigGroup &config)
{
Q_UNUSED(config);
}
void Wallpaper::save(KConfigGroup &config)
{
Q_UNUSED(config);
}
QWidget *Wallpaper::createConfigurationInterface(QWidget *parent)
{
Q_UNUSED(parent);
return 0;
}
void Wallpaper::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
Q_UNUSED(event)
}
void Wallpaper::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
Q_UNUSED(event)
}
void Wallpaper::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
Q_UNUSED(event)
}
void Wallpaper::wheelEvent(QGraphicsSceneWheelEvent *event)
{
Q_UNUSED(event)
}
} // Plasma namespace
#include "wallpaper.moc"