2008-11-04 00:08:39 +01:00
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/*
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* Copyright 2008 by Aaron Seigo <aseigo@kde.org>
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* Copyright 2008 by Petri Damsten <damu@iki.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "wallpaper.h"
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2009-04-02 08:31:37 +02:00
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#include <QColor>
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#include <QFile>
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#include <QImage>
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2008-11-04 03:04:34 +01:00
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#include <kdebug.h>
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2009-04-02 08:31:37 +02:00
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#include <kglobal.h>
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#include <kservicetypetrader.h>
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#include <kstandarddirs.h>
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2008-11-04 00:08:39 +01:00
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#include <version.h>
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2009-04-01 01:51:52 +02:00
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#include "plasma/private/dataengineconsumer_p.h"
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2009-04-02 08:31:37 +02:00
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#include "plasma/private/packages_p.h"
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2009-04-07 07:45:20 +02:00
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#include "plasma/private/wallpaper_p.h"
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2009-04-01 01:51:52 +02:00
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2008-11-04 00:08:39 +01:00
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namespace Plasma
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{
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2009-04-02 08:31:37 +02:00
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WallpaperRenderThread WallpaperPrivate::s_renderer;
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2009-04-07 07:45:20 +02:00
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PackageStructure::Ptr WallpaperPrivate::s_packageStructure(0);
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Wallpaper::Wallpaper(QObject * parentObject)
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: d(new WallpaperPrivate(KService::serviceByStorageId(QString()), this))
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{
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setParent(parentObject);
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connect(&WallpaperPrivate::s_renderer, SIGNAL(done(int,QImage,QString,QSize,int,QColor)),
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this, SLOT(renderCompleted(int,QImage,QString,QSize,int,QColor)));
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}
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2009-04-02 08:31:37 +02:00
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2008-11-04 00:08:39 +01:00
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Wallpaper::Wallpaper(QObject *parentObject, const QVariantList &args)
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: d(new WallpaperPrivate(KService::serviceByStorageId(args.count() > 0 ?
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args[0].toString() : QString()), this))
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{
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// now remove first item since those are managed by Wallpaper and subclasses shouldn't
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// need to worry about them. yes, it violates the constness of this var, but it lets us add
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// or remove items later while applets can just pretend that their args always start at 0
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QVariantList &mutableArgs = const_cast<QVariantList &>(args);
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if (!mutableArgs.isEmpty()) {
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mutableArgs.removeFirst();
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}
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2009-04-02 08:31:37 +02:00
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2009-04-07 07:45:20 +02:00
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setParent(parentObject);
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2009-04-02 19:21:42 +02:00
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connect(&WallpaperPrivate::s_renderer, SIGNAL(done(int,QImage,QString,QSize,int,QColor)),
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this, SLOT(renderCompleted(int,QImage,QString,QSize,int,QColor)));
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2008-11-04 00:08:39 +01:00
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}
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Wallpaper::~Wallpaper()
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{
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delete d;
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}
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KPluginInfo::List Wallpaper::listWallpaperInfo(const QString &formFactor)
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{
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QString constraint;
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if (!formFactor.isEmpty()) {
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constraint.append("[X-Plasma-FormFactors] ~~ '").append(formFactor).append("'");
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}
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KService::List offers = KServiceTypeTrader::self()->query("Plasma/Wallpaper", constraint);
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return KPluginInfo::fromServices(offers);
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}
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Wallpaper *Wallpaper::load(const QString &wallpaperName, const QVariantList &args)
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{
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if (wallpaperName.isEmpty()) {
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return 0;
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}
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QString constraint = QString("[X-KDE-PluginInfo-Name] == '%1'").arg(wallpaperName);
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KService::List offers = KServiceTypeTrader::self()->query("Plasma/Wallpaper", constraint);
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if (offers.isEmpty()) {
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kDebug() << "offers is empty for " << wallpaperName;
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return 0;
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}
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KService::Ptr offer = offers.first();
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KPluginLoader plugin(*offer);
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if (!Plasma::isPluginVersionCompatible(plugin.pluginVersion())) {
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return 0;
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}
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QVariantList allArgs;
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allArgs << offer->storageId() << args;
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QString error;
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Wallpaper *wallpaper = offer->createInstance<Plasma::Wallpaper>(0, allArgs, &error);
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if (!wallpaper) {
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kDebug() << "Couldn't load wallpaper \"" << wallpaperName << "\"! reason given: " << error;
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}
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2009-04-01 01:51:52 +02:00
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2008-11-04 00:08:39 +01:00
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return wallpaper;
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}
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Wallpaper *Wallpaper::load(const KPluginInfo &info, const QVariantList &args)
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{
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if (!info.isValid()) {
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return 0;
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}
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return load(info.pluginName(), args);
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}
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2009-04-07 07:45:20 +02:00
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PackageStructure::Ptr Wallpaper::packageStructure(Wallpaper *paper)
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2009-04-02 08:31:37 +02:00
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{
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2009-04-07 07:45:20 +02:00
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if (paper) {
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PackageStructure::Ptr package(new WallpaperPackage(paper, paper));
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return package;
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2009-04-02 08:31:37 +02:00
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}
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2009-04-07 07:45:20 +02:00
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if (!WallpaperPrivate::s_packageStructure) {
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WallpaperPrivate::s_packageStructure = new WallpaperPackage();
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}
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2009-04-02 08:31:37 +02:00
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2009-04-07 07:45:20 +02:00
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return WallpaperPrivate::s_packageStructure;
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}
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2009-04-02 08:31:37 +02:00
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2008-11-04 00:08:39 +01:00
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QString Wallpaper::name() const
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{
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if (!d->wallpaperDescription.isValid()) {
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return i18n("Unknown Wallpaper");
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}
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return d->wallpaperDescription.name();
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}
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QString Wallpaper::icon() const
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{
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if (!d->wallpaperDescription.isValid()) {
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return QString();
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}
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return d->wallpaperDescription.icon();
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}
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QString Wallpaper::pluginName() const
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{
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if (!d->wallpaperDescription.isValid()) {
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return QString();
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}
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return d->wallpaperDescription.pluginName();
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}
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KServiceAction Wallpaper::renderingMode() const
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{
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return d->mode;
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}
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QList<KServiceAction> Wallpaper::listRenderingModes() const
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{
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if (!d->wallpaperDescription.isValid()) {
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return QList<KServiceAction>();
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}
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return d->wallpaperDescription.service()->actions();
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}
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QRectF Wallpaper::boundingRect() const
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{
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return d->boundingRect;
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}
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bool Wallpaper::isInitialized() const
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{
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return d->initialized;
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}
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void Wallpaper::setBoundingRect(const QRectF &boundingRect)
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{
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d->boundingRect = boundingRect;
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}
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void Wallpaper::setRenderingMode(const QString &mode)
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{
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if (d->mode.name() == mode) {
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return;
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}
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d->mode = KServiceAction();
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if (!mode.isEmpty()) {
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QList<KServiceAction> modes = listRenderingModes();
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foreach (const KServiceAction &action, modes) {
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if (action.name() == mode) {
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d->mode = action;
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break;
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}
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}
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}
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}
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void Wallpaper::restore(const KConfigGroup &config)
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{
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d->initialized = true;
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init(config);
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}
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void Wallpaper::init(const KConfigGroup &config)
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{
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Q_UNUSED(config);
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}
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void Wallpaper::save(KConfigGroup &config)
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{
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Q_UNUSED(config);
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}
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QWidget *Wallpaper::createConfigurationInterface(QWidget *parent)
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{
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Q_UNUSED(parent);
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return 0;
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}
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void Wallpaper::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
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{
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Q_UNUSED(event)
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}
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void Wallpaper::mousePressEvent(QGraphicsSceneMouseEvent *event)
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{
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Q_UNUSED(event)
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}
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void Wallpaper::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
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{
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Q_UNUSED(event)
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}
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void Wallpaper::wheelEvent(QGraphicsSceneWheelEvent *event)
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{
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Q_UNUSED(event)
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}
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2009-04-01 01:51:52 +02:00
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DataEngine *Wallpaper::dataEngine(const QString &name) const
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{
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return d->dataEngine(name);
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}
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2009-04-02 06:15:50 +02:00
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bool Wallpaper::configurationRequired() const
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{
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return d->needsConfig;
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}
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void Wallpaper::setConfigurationRequired(bool needsConfig, const QString &reason)
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{
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//TODO: implement something for reason. first, we need to decide where/how
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// to communicate it to the user
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Q_UNUSED(reason)
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if (d->needsConfig == needsConfig) {
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return;
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}
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d->needsConfig = needsConfig;
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emit configurationRequired(needsConfig);
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}
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2009-04-02 08:43:40 +02:00
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bool Wallpaper::isUsingDiskCache() const
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2009-04-02 08:31:37 +02:00
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{
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return d->cacheRendering;
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}
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2009-04-02 08:43:40 +02:00
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void Wallpaper::setUsingDiskCache(bool useCache)
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2009-04-02 08:31:37 +02:00
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{
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d->cacheRendering = useCache;
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}
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void Wallpaper::render(const QString &sourceImagePath, const QSize &size,
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Wallpaper::ResizeMethod resizeMethod, const QColor &color)
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{
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if (sourceImagePath.isEmpty() || !QFile::exists(sourceImagePath)) {
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2009-04-02 19:21:42 +02:00
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//kDebug() << "failed on:" << sourceImagePath;
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2009-04-02 08:31:37 +02:00
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return;
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}
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2009-04-07 07:45:20 +02:00
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d->lastResizeMethod = resizeMethod;
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2009-04-02 08:31:37 +02:00
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if (d->cacheRendering) {
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QString cache = d->cachePath(sourceImagePath, size, resizeMethod, color);
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if (QFile::exists(cache)) {
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2009-04-02 19:21:42 +02:00
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//kDebug() << "loading cached wallpaper from" << cache;
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2009-04-02 08:31:37 +02:00
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QImage img(cache);
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2009-04-02 08:48:30 +02:00
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emit renderCompleted(img);
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2009-04-02 08:31:37 +02:00
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return;
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}
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}
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d->renderToken = WallpaperPrivate::s_renderer.render(sourceImagePath, size, resizeMethod, color);
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2009-04-02 19:21:42 +02:00
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//kDebug() << "rendering" << sourceImagePath << ", token is" << d->renderToken;
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2009-04-02 08:31:37 +02:00
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}
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QString WallpaperPrivate::cachePath(const QString &sourceImagePath, const QSize &size,
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2009-04-02 19:21:42 +02:00
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int resizeMethod, const QColor &color) const
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2009-04-02 08:31:37 +02:00
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{
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const QString id = QString("plasma-wallpapers/%5_%3_%4_%1x%2.png")
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.arg(size.width()).arg(size.height()).arg(color.name())
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.arg(resizeMethod).arg(sourceImagePath);
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return KGlobal::dirs()->locateLocal("cache", id);
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}
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2009-04-02 08:48:30 +02:00
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void WallpaperPrivate::renderCompleted(int token, const QImage &image,
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const QString &sourceImagePath, const QSize &size,
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2009-04-02 19:21:42 +02:00
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int resizeMethod, const QColor &color)
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2009-04-02 08:31:37 +02:00
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{
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if (token != renderToken) {
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2009-04-02 19:21:42 +02:00
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//kDebug() << "render token mismatch" << token << renderToken;
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2009-04-02 08:31:37 +02:00
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return;
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}
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if (cacheRendering) {
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image.save(cachePath(sourceImagePath, size, resizeMethod, color));
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}
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2009-04-02 19:21:42 +02:00
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//kDebug() << "rendering complete!";
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2009-04-02 08:48:30 +02:00
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emit q->renderCompleted(image);
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2009-04-02 08:31:37 +02:00
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}
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2008-11-04 00:08:39 +01:00
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} // Plasma namespace
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#include "wallpaper.moc"
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