initial draft of a ECMAScript driven DataEngine.

TODO:
* testing
* binding Plasma::Service

svn path=/trunk/KDE/kdebase/runtime/; revision=991101

scriptengines/javascript/CMakeLists.txt

@@ -1,3 +1,5 @@
+# APPLET
+
 set(simple_javascript_engine_SRCS
     simplejavascriptapplet.cpp
     appletinterface.cpp
@@ -30,6 +32,8 @@ target_link_libraries(plasma_appletscript_simple_javascript
 install(TARGETS plasma_appletscript_simple_javascript DESTINATION ${PLUGIN_INSTALL_DIR})
 install(FILES plasma-scriptengine-applet-simple-javascript.desktop DESTINATION ${SERVICES_INSTALL_DIR} )
 
+# RUNNER
+
 set(javascript_runner_engine_SRCS
     javascriptrunner.cpp
 )
@@ -46,3 +50,20 @@ target_link_libraries(plasma_runnerscript_javascript
 
 install(TARGETS plasma_runnerscript_javascript DESTINATION ${PLUGIN_INSTALL_DIR})
 install(FILES plasma-scriptengine-runner-javascript.desktop DESTINATION ${SERVICES_INSTALL_DIR})
+
+
+# DATAENGINE
+
+set(javascript_dataengine_engine_SRCS
+    javascriptdataengine.cpp
+)
+kde4_add_plugin(plasma_dataenginescript_javascript ${javascript_dataengine_engine_SRCS})
+
+target_link_libraries(plasma_dataenginescript_javascript
+                       ${KDE4_KDECORE_LIBS}
+                       ${KDE4_PLASMA_LIBS}
+                       ${QT_QTSCRIPT_LIBRARY})
+
+install(TARGETS plasma_dataenginescript_javascript DESTINATION ${PLUGIN_INSTALL_DIR})
+install(FILES plasma-scriptengine-dataengine-javascript.desktop DESTINATION ${SERVICES_INSTALL_DIR})
+

scriptengines/javascript/appletinterface.h

@@ -1,5 +1,6 @@
 /*
  *   Copyright 2008 Chani Armitage <chani@kde.org>
+ *   Copyright 2008, 2009 Aaron Seigo <aseigo@kde.org>
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU Library General Public License as
@@ -47,6 +48,7 @@ class AppletInterface : public QObject
     Q_ENUMS(QtOrientation)
     Q_ENUMS(QtAlignment)
     Q_PROPERTY(QString activeConfig WRITE setActiveConfig READ activeConfig)
+    Q_PROPERTY(bool busy WRITE setBusy READ isBusy)
 
 public:
     AppletInterface(SimpleJavaScriptApplet *parent);

scriptengines/javascript/bind_dataengine.h

@@ -73,5 +73,68 @@ int qScriptRegisterMapMetaType(
                                       qScriptValueToMap, prototype);
 }
 
+/*
+ * Workaround the fact that QtScripts handling of variants seems a bit broken.
+ */
+QScriptValue variantToScriptValue(QScriptEngine *engine, QVariant var)
+{
+    if (var.isNull()) {
+        return engine->nullValue();
+    }
+
+    switch(var.type())
+    {
+        case QVariant::Invalid:
+            return engine->nullValue();
+        case QVariant::Bool:
+            return QScriptValue(engine, var.toBool());
+        case QVariant::Date:
+            return engine->newDate(var.toDateTime());
+        case QVariant::DateTime:
+            return engine->newDate(var.toDateTime());
+        case QVariant::Double:
+            return QScriptValue(engine, var.toDouble());
+        case QVariant::Int:
+        case QVariant::LongLong:
+            return QScriptValue(engine, var.toInt());
+        case QVariant::String:
+            return QScriptValue(engine, var.toString());
+        case QVariant::Time: {
+            QDateTime t(QDate::currentDate(), var.toTime());
+            return engine->newDate(t);
+        }
+        case QVariant::UInt:
+            return QScriptValue(engine, var.toUInt());
+        default:
+            if (var.typeName() == QLatin1String("KUrl")) {
+                return QScriptValue(engine, var.value<KUrl>().prettyUrl());
+            } else if (var.typeName() == QLatin1String("QColor")) {
+                return QScriptValue(engine, var.value<QColor>().name());
+            } else if (var.typeName() == QLatin1String("QUrl")) {
+                return QScriptValue(engine, var.value<QUrl>().toString());
+            }
+            break;
+    }
+
+    return qScriptValueFromValue(engine, var);
+}
+QScriptValue qScriptValueFromData(QScriptEngine *engine, const DataEngine::Data &data)
+{
+    DataEngine::Data::const_iterator begin = data.begin();
+    DataEngine::Data::const_iterator end = data.end();
+    DataEngine::Data::const_iterator it;
+
+    QScriptValue obj = engine->newObject();
+
+    for (it = begin; it != end; ++it) {
+        //kDebug() << "setting" << it.key() << "to" << it.value();
+        QString prop = it.key();
+        prop.replace(' ', '_');
+        obj.setProperty(prop, variantToScriptValue(engine, it.value()));
+    }
+
+    return obj;
+}
+
 #endif // BIND_DATAENGINE_H
 

scriptengines/javascript/bind_i18n.h

@@ -0,0 +1,101 @@
+/*
+ *   Copyright 2009 Aaron Seigo <aseigo@kde.org>
+ *
+ *   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, 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.
+ */
+
+#ifndef JAVASCRIPTBINDI18N_H
+#define JAVASCRIPTBINDI18N_H
+
+QScriptValue jsi18n(QScriptContext *context, QScriptEngine *engine)
+{
+    if (context->argumentCount() < 1) {
+        return context->throwError(i18n("i18n() takes at least one argument"));
+    }
+
+    KLocalizedString message = ki18n(context->argument(0).toString().toUtf8());
+
+    int numArgs = context->argumentCount();
+    for (int i = 1; i < numArgs; ++i) {
+        message.subs(context->argument(i).toString());
+    }
+
+    return engine->newVariant(message.toString());
+}
+
+QScriptValue jsi18nc(QScriptContext *context, QScriptEngine *engine)
+{
+    if (context->argumentCount() < 2) {
+        return context->throwError(i18n("i18nc() takes at least two arguments"));
+    }
+
+    KLocalizedString message = ki18nc(context->argument(0).toString().toUtf8(),
+                                      context->argument(1).toString().toUtf8());
+
+    int numArgs = context->argumentCount();
+    for (int i = 2; i < numArgs; ++i) {
+        message.subs(context->argument(i).toString());
+    }
+
+    return engine->newVariant(message.toString());
+}
+
+QScriptValue jsi18np(QScriptContext *context, QScriptEngine *engine)
+{
+    if (context->argumentCount() < 2) {
+        return context->throwError(i18n("i18np() takes at least two arguments"));
+    }
+
+    KLocalizedString message = ki18np(context->argument(0).toString().toUtf8(),
+                                      context->argument(1).toString().toUtf8());
+
+    int numArgs = context->argumentCount();
+    for (int i = 2; i < numArgs; ++i) {
+        message.subs(context->argument(i).toString());
+    }
+
+    return engine->newVariant(message.toString());
+}
+
+QScriptValue jsi18ncp(QScriptContext *context, QScriptEngine *engine)
+{
+    if (context->argumentCount() < 3) {
+        return context->throwError(i18n("i18ncp() takes at least three arguments"));
+    }
+
+    KLocalizedString message = ki18ncp(context->argument(0).toString().toUtf8(),
+                                       context->argument(1).toString().toUtf8(),
+                                       context->argument(2).toString().toUtf8());
+
+    int numArgs = context->argumentCount();
+    for (int i = 3; i < numArgs; ++i) {
+        message.subs(context->argument(i).toString());
+    }
+
+    return engine->newVariant(message.toString());
+}
+
+void bindI18N(QScriptEngine *engine)
+{
+    QScriptValue global = engine->globalObject();
+    global.setProperty("i18n", engine->newFunction(jsi18n));
+    global.setProperty("i18nc", engine->newFunction(jsi18nc));
+    global.setProperty("i18np", engine->newFunction(jsi18np));
+    global.setProperty("i18ncp", engine->newFunction(jsi18ncp));
+}
+
+#endif
+

scriptengines/javascript/javascriptdataengine.cpp

@@ -0,0 +1,260 @@
+/*
+ *   Copyright 2009 Aaron Seigo <aseigo@kde.org>
+ *
+ *   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, 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 "javascriptdataengine.h"
+
+#include <QScriptEngine>
+#include <QScriptContext>
+
+#include "bind_dataengine.h"
+#include "bind_i18n.h"
+
+JavaScriptDataEngine::JavaScriptDataEngine(QObject *parent, const QVariantList &args)
+    : DataEngineScript(parent),
+      m_qscriptEngine(new QScriptEngine(this))
+{
+    Q_UNUSED(args)
+}
+
+bool JavaScriptDataEngine::init()
+{
+    QScriptValue global = m_qscriptEngine->globalObject();
+
+    bindI18N(m_qscriptEngine);
+
+    QScriptValue m_iface = m_qscriptEngine->newQObject(this);
+    m_iface.setScope(global);
+    global.setProperty("engine", m_iface);
+
+    global.setProperty("setData", m_qscriptEngine->newFunction(JavaScriptDataEngine::jsSetData));
+    global.setProperty("removeAllData", m_qscriptEngine->newFunction(JavaScriptDataEngine::jsRemoveAllData));
+    global.setProperty("removeData", m_qscriptEngine->newFunction(JavaScriptDataEngine::jsRemoveData));
+    global.setProperty("removeAllSources", m_qscriptEngine->newFunction(JavaScriptDataEngine::jsRemoveAllSources));
+
+    qScriptRegisterMetaType<DataEngine::Data>(m_qscriptEngine, qScriptValueFromData, 0, QScriptValue());
+    /**
+TODO: Service bindings
+m_qscriptEngine->setDefaultPrototype(qMetaTypeId<Service*>(), m_qscriptEngine->newQObject(new DummyService()));
+m_qscriptEngine->setDefaultPrototype(qMetaTypeId<ServiceJob*>(), m_qscriptEngine->newQObject(new ServiceJob(QString(), QString(), QMap<QString, QVariant>())));
+     */
+
+    return true;
+}
+
+void JavaScriptDataEngine::jsSetMaxSourceCount(int count)
+{
+    setMaxSourceCount(count);
+}
+
+int JavaScriptDataEngine::maxSourceCount() const
+{
+    return dataEngine()->maxSourceCount();
+}
+
+void JavaScriptDataEngine::jsSetMinimumPollingInterval(int interval)
+{
+    setMinimumPollingInterval(interval);
+}
+
+int JavaScriptDataEngine::minimumPollingInterval() const
+{
+    return minimumPollingInterval();
+}
+
+void JavaScriptDataEngine::jsSetPollingInterval(int interval)
+{
+    setPollingInterval(interval);
+}
+
+int JavaScriptDataEngine::pollingInterval() const
+{
+    return pollingInterval();
+}
+
+QScriptValue JavaScriptDataEngine::jsSetData(QScriptContext *context, QScriptEngine *engine)
+{
+    if (context->argumentCount() < 2) {
+        return context->throwError(i18n("setData() takes at least two arguments"));
+    }
+
+    QString error;
+    JavaScriptDataEngine *iFace = extractIFace(engine, error);
+
+    if (!iFace) {
+        return context->throwError(error);
+    }
+
+    QString source = context->argument(0).toString();
+    QString value = context->argument(1).toString();
+
+    if (context->argumentCount() > 2) {
+        QString key = value;
+        QString value = context->argument(2).toString();
+        iFace->setData(source, key, value);
+    } else {
+        iFace->setData(source, value);
+    }
+
+    return engine->newVariant(true);
+}
+
+JavaScriptDataEngine *JavaScriptDataEngine::extractIFace(QScriptEngine *engine, QString &error)
+{
+    JavaScriptDataEngine *interface = 0;
+    QScriptValue engineValue = engine->globalObject().property("engine");
+    QObject *engineObject = engineValue.toQObject();
+
+    if (!engineObject) {
+        error = i18n("Could not extract the DataEngineObject");
+    } else {
+        interface = qobject_cast<JavaScriptDataEngine *>(engineObject);
+        if (!interface) {
+            error = i18n("Could not extract the DataEngine");
+        }
+    }
+
+    return interface;
+}
+
+QScriptValue JavaScriptDataEngine::jsRemoveAllData(QScriptContext *context, QScriptEngine *engine)
+{
+    if (context->argumentCount() < 1) {
+        return context->throwError(i18n("removeAllData() takes at least one argument (the source name)"));
+    }
+
+    QString source = context->argument(0).toString();
+    QString error;
+    JavaScriptDataEngine *iFace = extractIFace(engine, error);
+
+    if (iFace) {
+        iFace->removeAllData(source);
+        return engine->newVariant(true);
+    }
+
+    return context->throwError(error);
+}
+
+QScriptValue JavaScriptDataEngine::jsRemoveData(QScriptContext *context, QScriptEngine *engine)
+{
+    if (context->argumentCount() < 2) {
+        return context->throwError(i18n("removeData() takes at least two arguments (the source and key names"));
+    }
+
+    QString source = context->argument(0).toString();
+    QString key = context->argument(1).toString();
+    QString error;
+    JavaScriptDataEngine *iFace = extractIFace(engine, error);
+
+    if (iFace) {
+        iFace->removeData(source, key);
+        return engine->newVariant(true);
+    }
+
+    return context->throwError(error);
+}
+
+QScriptValue JavaScriptDataEngine::jsRemoveAllSources(QScriptContext *context, QScriptEngine *engine)
+{
+    QString error;
+    JavaScriptDataEngine *iFace = extractIFace(engine, error);
+
+    if (iFace) {
+        iFace->removeAllSources();
+        return engine->newVariant(true);
+    }
+
+    return context->throwError(error);
+}
+
+QScriptValue JavaScriptDataEngine::callFunction(const QString &functionName, const QScriptValueList &args) const
+{
+    QScriptValue fun = m_iface.property(functionName);
+    if (fun.isFunction()) {
+        QScriptContext *ctx = m_qscriptEngine->pushContext();
+        ctx->setActivationObject(m_iface);
+        QScriptValue rv = fun.call(m_iface, args);
+        m_qscriptEngine->popContext();
+
+        if (m_qscriptEngine->hasUncaughtException()) {
+            reportError();
+        } else {
+            return rv;
+        }
+    }
+
+    return QScriptValue();
+}
+
+void JavaScriptDataEngine::reportError() const
+{
+    kDebug() << "Error: " << m_qscriptEngine->uncaughtException().toString()
+             << " at line " << m_qscriptEngine->uncaughtExceptionLineNumber() << endl;
+    kDebug() << m_qscriptEngine->uncaughtExceptionBacktrace();
+}
+
+QStringList JavaScriptDataEngine::sources() const
+{
+    QScriptValueList args;
+    QScriptValue rv = callFunction("sources", args);
+    if (rv.isValid() && rv.isVariant()) {
+        return rv.toVariant().toStringList();
+    }
+
+    return QStringList();
+}
+
+bool JavaScriptDataEngine::sourceRequestEvent(const QString &name)
+{
+    QScriptValueList args;
+    args << name;
+    QScriptValue rv = callFunction("sourceRequestEvent", args);
+    if (rv.isValid() && rv.isBool()) {
+        return rv.toBool();
+    }
+
+    return false;
+}
+
+bool JavaScriptDataEngine::updateSourceEvent(const QString &source)
+{
+    QScriptValueList args;
+    args << source;
+    QScriptValue rv = callFunction("updateSourceEvent", args);
+    if (rv.isValid() && rv.isBool()) {
+        return rv.toBool();
+    }
+
+    return false;
+}
+
+/*
+Plasma::Service *JavaScriptDataEngine::serviceForSource(const QString &source)
+{
+    QScriptValue rv = callFunction("updateSourceEvent");
+    if (rv.isValid() && rv.isVariant()) {
+        return rv.toVariant().value<Plasma::Service*>();
+    }
+
+    return 0;
+}
+*/
+K_EXPORT_PLASMA_DATAENGINESCRIPTENGINE(javascriptdataengine, JavaScriptDataEngine)
+
+#include <javascriptdataengine.moc>
+

scriptengines/javascript/javascriptdataengine.h

@@ -0,0 +1,67 @@
+/*
+ *   Copyright 2009 Aaron Seigo <aseigo@kde.org>
+ *
+ *   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, 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.
+ */
+
+#ifndef JAVASCRIPTDATAENGINE_H
+#define JAVASCRIPTDATAENGINE_H
+
+#include <Plasma/DataEngineScript>
+
+#include <QScriptValue>
+
+class QScriptEngine;
+class QScriptContext;
+
+class JavaScriptDataEngine : public Plasma::DataEngineScript
+{
+    Q_OBJECT
+    Q_PROPERTY(int sourceCount WRITE jsSetMaxSourceCount READ maxSourceCount)
+    Q_PROPERTY(int minimumPollingInterval WRITE jsSetMinimumPollingInterval READ minimumPollingInterval)
+    Q_PROPERTY(int pollingInterval WRITE jsSetPollingInterval READ pollingInterval)
+
+public:
+    JavaScriptDataEngine(QObject *parent, const QVariantList &args);
+    bool init();
+
+    QStringList sources() const;
+    bool sourceRequestEvent(const QString &name);
+    bool updateSourceEvent(const QString &source);
+    //TODO: Plasma::Service *serviceForSource(const QString &source);
+
+    int maxSourceCount() const;
+    void jsSetMaxSourceCount(int count);
+    void jsSetMinimumPollingInterval(int interval);
+    int minimumPollingInterval() const;
+    void jsSetPollingInterval(int interval);
+    int pollingInterval() const;
+
+private:
+    static JavaScriptDataEngine *extractIFace(QScriptEngine *engine, QString &error);
+    static QScriptValue jsSetData(QScriptContext *context, QScriptEngine *engine);
+    static QScriptValue jsRemoveAllData(QScriptContext *context, QScriptEngine *engine);
+    static QScriptValue jsRemoveData(QScriptContext *context, QScriptEngine *engine);
+    static QScriptValue jsRemoveAllSources(QScriptContext *context, QScriptEngine *engine);
+
+    QScriptValue callFunction(const QString &functionName, const QScriptValueList &args) const;
+    void reportError() const;
+
+    QScriptEngine *m_qscriptEngine;
+    QScriptValue m_iface;
+};
+
+#endif

scriptengines/javascript/plasma-scriptengine-dataengine-javascript.desktop

@@ -0,0 +1,8 @@
+[Desktop Entry]
+Name=JavaScript DataEngine
+X-KDE-ServiceTypes=Plasma/ScriptEngine
+Type=Service
+Icon=text-x-script
+X-KDE-Library=plasma_dataenginescript_javascript
+X-Plasma-API=javascript
+X-Plasma-ComponentTypes=DataEngine

scriptengines/javascript/simplejavascriptapplet.cpp

@@ -40,6 +40,7 @@
 using namespace Plasma;
 
 #include "bind_dataengine.h"
+#include "bind_i18n.h"
 
 Q_DECLARE_METATYPE(QPainter*)
 Q_DECLARE_METATYPE(QStyleOptionGraphicsItem*)
@@ -78,52 +79,6 @@ public:
     }
 };
 
-/*
- * Workaround the fact that QtScripts handling of variants seems a bit broken.
- */
-QScriptValue variantToScriptValue(QScriptEngine *engine, QVariant var)
-{
-    if (var.isNull()) {
-        return engine->nullValue();
-    }
-
-    switch(var.type())
-    {
-        case QVariant::Invalid:
-            return engine->nullValue();
-        case QVariant::Bool:
-            return QScriptValue(engine, var.toBool());
-        case QVariant::Date:
-            return engine->newDate(var.toDateTime());
-        case QVariant::DateTime:
-            return engine->newDate(var.toDateTime());
-        case QVariant::Double:
-            return QScriptValue(engine, var.toDouble());
-        case QVariant::Int:
-        case QVariant::LongLong:
-            return QScriptValue(engine, var.toInt());
-        case QVariant::String:
-            return QScriptValue(engine, var.toString());
-        case QVariant::Time: {
-            QDateTime t(QDate::currentDate(), var.toTime());
-            return engine->newDate(t);
-        }
-        case QVariant::UInt:
-            return QScriptValue(engine, var.toUInt());
-        default:
-            if (var.typeName() == QLatin1String("KUrl")) {
-                return QScriptValue(engine, var.value<KUrl>().prettyUrl());
-            } else if (var.typeName() == QLatin1String("QColor")) {
-                return QScriptValue(engine, var.value<QColor>().name());
-            } else if (var.typeName() == QLatin1String("QUrl")) {
-                return QScriptValue(engine, var.value<QUrl>().toString());
-            }
-            break;
-    }
-
-    return qScriptValueFromValue(engine, var);
-}
-
 QScriptValue qScriptValueFromControls(QScriptEngine *engine, const Controls &controls)
 {
     return QScriptValue(engine, controls);
@@ -156,24 +111,6 @@ void controlsFromScriptValue(const QScriptValue& obj, Controls &controls)
     }
 }
 
-QScriptValue qScriptValueFromData(QScriptEngine *engine, const DataEngine::Data &data)
-{
-    DataEngine::Data::const_iterator begin = data.begin();
-    DataEngine::Data::const_iterator end = data.end();
-    DataEngine::Data::const_iterator it;
-
-    QScriptValue obj = engine->newObject();
-
-    for (it = begin; it != end; ++it) {
-        //kDebug() << "setting" << it.key() << "to" << it.value();
-        QString prop = it.key();
-        prop.replace(' ', '_');
-        obj.setProperty(prop, variantToScriptValue(engine, it.value()));
-    }
-
-    return obj;
-}
-
 QScriptValue qScriptValueFromKConfigGroup(QScriptEngine *engine, const KConfigGroup &config)
 {
     QScriptValue obj = engine->newObject();
@@ -431,10 +368,7 @@ void SimpleJavaScriptApplet::setupObjects()
     m_engine->setDefaultPrototype(qMetaTypeId<Service*>(), m_engine->newQObject(new DummyService()));
     m_engine->setDefaultPrototype(qMetaTypeId<ServiceJob*>(), m_engine->newQObject(new ServiceJob(QString(), QString(), QMap<QString, QVariant>())));
 
-    global.setProperty("i18n", m_engine->newFunction(SimpleJavaScriptApplet::jsi18n));
+    bindI18N(m_engine);
-    global.setProperty("i18nc", m_engine->newFunction(SimpleJavaScriptApplet::jsi18nc));
-    global.setProperty("i18np", m_engine->newFunction(SimpleJavaScriptApplet::jsi18np));
-    global.setProperty("i18ncp", m_engine->newFunction(SimpleJavaScriptApplet::jsi18ncp));
     global.setProperty("dataEngine", m_engine->newFunction(SimpleJavaScriptApplet::dataEngine));
     global.setProperty("service", m_engine->newFunction(SimpleJavaScriptApplet::service));
     qScriptRegisterMetaType<DataEngine::Data>(m_engine, qScriptValueFromData, 0, QScriptValue());
@@ -497,89 +431,6 @@ void SimpleJavaScriptApplet::debug(const QString &msg)
     kDebug() << msg;
 }
 
-#if 0
-QScriptValue SimpleJavaScriptApplet::dataEngine(QScriptContext *context, QScriptEngine *engine)
-{
-    if (context->argumentCount() != 1)
-        return context->throwError("dataEngine takes one argument");
-
-    QString dataEngine = context->argument(0).toString();
-
-    Script *self = engine->fromScriptValue<Script*>(context->thisObject());
-
-    DataEngine *data = self->dataEngine(dataEngine);
-    return engine->newQObject(data);
-}
-#endif
-
-QScriptValue SimpleJavaScriptApplet::jsi18n(QScriptContext *context, QScriptEngine *engine)
-{
-    if (context->argumentCount() < 1) {
-        return context->throwError(i18n("i18n() takes at least one argument"));
-    }
-
-    KLocalizedString message = ki18n(context->argument(0).toString().toUtf8());
-
-    int numArgs = context->argumentCount();
-    for (int i = 1; i < numArgs; ++i) {
-        message.subs(context->argument(i).toString());
-    }
-
-    return engine->newVariant(message.toString());
-}
-
-QScriptValue SimpleJavaScriptApplet::jsi18nc(QScriptContext *context, QScriptEngine *engine)
-{
-    if (context->argumentCount() < 2) {
-        return context->throwError(i18n("i18nc() takes at least two arguments"));
-    }
-
-    KLocalizedString message = ki18nc(context->argument(0).toString().toUtf8(),
-                                      context->argument(1).toString().toUtf8());
-
-    int numArgs = context->argumentCount();
-    for (int i = 2; i < numArgs; ++i) {
-        message.subs(context->argument(i).toString());
-    }
-
-    return engine->newVariant(message.toString());
-}
-
-QScriptValue SimpleJavaScriptApplet::jsi18np(QScriptContext *context, QScriptEngine *engine)
-{
-    if (context->argumentCount() < 2) {
-        return context->throwError(i18n("i18np() takes at least two arguments"));
-    }
-
-    KLocalizedString message = ki18np(context->argument(0).toString().toUtf8(),
-                                      context->argument(1).toString().toUtf8());
-
-    int numArgs = context->argumentCount();
-    for (int i = 2; i < numArgs; ++i) {
-        message.subs(context->argument(i).toString());
-    }
-
-    return engine->newVariant(message.toString());
-}
-
-QScriptValue SimpleJavaScriptApplet::jsi18ncp(QScriptContext *context, QScriptEngine *engine)
-{
-    if (context->argumentCount() < 3) {
-        return context->throwError(i18n("i18ncp() takes at least three arguments"));
-    }
-
-    KLocalizedString message = ki18ncp(context->argument(0).toString().toUtf8(),
-                                       context->argument(1).toString().toUtf8(),
-                                       context->argument(2).toString().toUtf8());
-
-    int numArgs = context->argumentCount();
-    for (int i = 3; i < numArgs; ++i) {
-        message.subs(context->argument(i).toString());
-    }
-
-    return engine->newVariant(message.toString());
-}
-
 QScriptValue SimpleJavaScriptApplet::dataEngine(QScriptContext *context, QScriptEngine *engine)
 {
     if (context->argumentCount() != 1) {