159 lines
3.6 KiB
C++
159 lines
3.6 KiB
C++
/*
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* Copyright 2007 by Aaron Seigo <aseigo@kde.org>
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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 "scriptengine.h"
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#include <KDebug>
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#include <KService>
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#include <KServiceTypeTrader>
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#include "applet.h"
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#include "package.h"
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namespace Plasma
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{
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class ScriptEngine::Private
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{
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public:
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Applet* applet;
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};
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ScriptEngine::ScriptEngine(QObject *parent)
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: QObject(parent),
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d(new Private)
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{
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d->applet = 0;
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}
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ScriptEngine::~ScriptEngine()
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{
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delete d;
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}
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void ScriptEngine::init(Applet* applet)
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{
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d->applet = applet;
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if (!init()) {
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d->applet->setFailedToLaunch(true);
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}
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}
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void ScriptEngine::paintInterface(QPainter* painter, const QStyleOptionGraphicsItem* option, const QRect &contentsRect)
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{
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Q_UNUSED(painter)
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Q_UNUSED(option)
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Q_UNUSED(contentsRect)
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}
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QSizeF ScriptEngine::size() const
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{
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if (applet()) {
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return applet()->contentSize();
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}
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return QSizeF();
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}
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bool ScriptEngine::init()
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{
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Q_ASSERT(d->applet);
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return false;
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}
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QString ScriptEngine::mainScript() const
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{
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Q_ASSERT(d->applet);
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return d->applet->package()->filePath("mainscript");
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}
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Applet* ScriptEngine::applet() const
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{
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Q_ASSERT(d->applet);
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return d->applet;
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}
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DataEngine* ScriptEngine::dataEngine(const QString &engine) const
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{
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Q_ASSERT(d->applet);
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return d->applet->dataEngine(engine);
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}
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const Package* ScriptEngine::package() const
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{
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Q_ASSERT(d->applet);
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return d->applet->package();
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}
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QStringList ScriptEngine::knownLanguages()
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{
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KService::List offers = KServiceTypeTrader::self()->query("Plasma/ScriptEngine");
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//kDebug() << "Applet::knownApplets constraint was '" << constraint << "' which got us " << offers.count() << " matches";
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QStringList languages;
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foreach (KService::Ptr service, offers) {
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QString language = service->property("X-Plasma-Language").toString();
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if (!languages.contains(language)) {
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languages.append(language);
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}
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}
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return languages;
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}
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ScriptEngine* ScriptEngine::load(const QString &language, Applet *applet)
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{
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if (language.isEmpty()) {
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return 0;
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}
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QString constraint = QString("[X-Plasma-Language] == '%1'").arg(language);
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KService::List offers = KServiceTypeTrader::self()->query("Plasma/ScriptEngine", constraint);
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if (offers.isEmpty()) {
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kDebug() << "ScriptEngine::load: no offers for \"" << language << "\"";
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return 0;
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}
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QVariantList args;
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QString error;
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ScriptEngine* engine = 0;
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foreach (KService::Ptr service, offers) {
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engine = service->createInstance<Plasma::ScriptEngine>(applet, args, &error);
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if (engine) {
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break;
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}
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kDebug() << "Couldn't load script engine for language " << language << "! error reported: " << error;
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}
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if (!engine) {
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return 0;
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}
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engine->init(applet);
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return engine;
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}
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} // namespace Plasma
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#include <scriptengine.moc>
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