1 files changed, 400 insertions, 0 deletions
diff --git a/src/plugins/script/qtdbus/main.cpp b/src/plugins/script/qtdbus/main.cpp
new file mode 100644
index 0000000..51db1d1
--- /dev/null
+++ b/src/plugins/script/qtdbus/main.cpp
@@ -0,0 +1,400 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "main.h"
+#include <QDebug>
+#include <QMetaMethod>
+#include <QScriptExtensionPlugin>
+
+#ifndef QT_NO_DBUS
+
+QT_USE_NAMESPACE
+
+static QScriptValue setupDBusInterface(QScriptEngine *engine, QDBusAbstractInterface *iface);
+
+static QScriptValue do_dbus_call(QScriptContext *context, QScriptEngine *engine)
+{
+    int firstArgument = 0;
+    QString functionName = context->callee().property(QLatin1String("functionName")).toString();
+    if (functionName.isEmpty()) {
+        functionName = context->argument(0).toString();
+        ++firstArgument;
+    }
+
+    QScriptValue thisObject = context->thisObject();
+    QDBusAbstractInterface *iface = qobject_cast<QDBusAbstractInterface *>(thisObject.toQObject());
+    if (!iface)
+        return QScriptValue();
+
+    QDBusMessage msg = QDBusMessage::createMethodCall(iface->service(),
+                                                      iface->path(),
+                                                      iface->interface(),
+                                                      functionName);
+
+    QList<QVariant> args;
+    for (int i = firstArgument; i < context->argumentCount(); ++i) {
+        args.append(context->argument(i).toVariant());
+    }
+    msg.setArguments(args);
+
+    msg = iface->connection().call(msg);
+
+    QScriptValue returnValue = engine->nullValue();
+    args = msg.arguments();
+    if (args.count() != 1)
+        return returnValue;
+
+    QVariant variant = args.first();
+    if (variant.type() == QVariant::UserType
+        && variant.userType() == qMetaTypeId<QDBusObjectPath>()) {
+        QDBusObjectPath path = qvariant_cast<QDBusObjectPath>(variant);
+
+        QDBusInterface *returnedIface = new QDBusInterface(iface->service(),
+                                                           path.path(),
+                                                           /*interface*/QString(),
+                                                           iface->connection(),
+                                                           engine);
+        returnValue = setupDBusInterface(engine, returnedIface);
+    } else {
+        returnValue = engine->newVariant(variant);
+    }
+
+    return returnValue;
+}
+
+static QScriptValue setupDBusInterface(QScriptEngine *engine, QDBusAbstractInterface *iface)
+{
+    QScriptValue v = engine->newQObject(iface);
+
+    if (!qobject_cast<QDBusConnectionInterface *>(iface)) {
+        const QMetaObject *mo = iface->metaObject();
+        for (int i = 0; i < mo->methodCount(); ++i) {
+            const QMetaMethod method = mo->method(i);
+            const QByteArray signature = method.signature();
+            //qDebug() << "signature" << signature;
+            int parenIndex = signature.indexOf('(');
+            if (parenIndex == -1)
+                continue;
+            const QByteArray name = signature.left(parenIndex);
+            if (name.isEmpty())
+                continue;
+
+            // don't try to override properties
+            if (mo->indexOfProperty(name) != -1)
+                continue;
+
+            QScriptValue callWrapper = engine->newFunction(do_dbus_call);
+            const QString nameString = QString::fromAscii(name);
+            callWrapper.setProperty(QLatin1String("functionName"), QScriptValue(engine, nameString));
+            v.setProperty(nameString, callWrapper);
+        }
+    }
+
+    v.setProperty(QLatin1String("service"), QScriptValue(engine, iface->service()), QScriptValue::ReadOnly);
+    v.setProperty(QLatin1String("path"), QScriptValue(engine, iface->path()), QScriptValue::ReadOnly);
+    v.setProperty(QLatin1String("interface"), QScriptValue(engine, iface->interface()), QScriptValue::ReadOnly);
+    v.setProperty(QLatin1String("isValid"), QScriptValue(engine, iface->isValid()), QScriptValue::ReadOnly);
+    v.setProperty(QLatin1String("connection"), engine->newQObject(new QScriptDBusConnection(iface->connection(), engine)), QScriptValue::ReadOnly);
+
+    return v;
+}
+
+QDBusConnectionConstructor::QDBusConnectionConstructor(QScriptEngine *engine, QScriptValue extensionObject)
+    : QObject(engine)
+{
+    QScriptValue ctor = engine->newQObject(this);
+
+    QScriptValue proto = engine->newQMetaObject(&QDBusConnection::staticMetaObject);
+    proto.setPrototype(engine->globalObject().property(QLatin1String("Function")).property(QLatin1String("prototype")));
+    ctor.setProperty(QLatin1String("prototype"), proto);
+
+    extensionObject.setProperty(QLatin1String("QDBusConnection"), ctor);
+}
+
+QScriptValue QDBusConnectionConstructor::sessionBus() const
+{
+    return engine()->newQObject(new QScriptDBusConnection(QDBusConnection::sessionBus(), engine()));
+}
+
+QScriptValue QDBusConnectionConstructor::systemBus() const
+{
+    return engine()->newQObject(new QScriptDBusConnection(QDBusConnection::systemBus(), engine()));
+}
+
+QObject *QDBusConnectionConstructor::qscript_call(const QString &name)
+{
+    return new QScriptDBusConnection(QDBusConnection(name), this);
+}
+
+void QDBusConnectionConstructor::disconnectFromBus(const QString &name)
+{
+    QDBusConnection::disconnectFromBus(name);
+}
+
+QDBusConnection QDBusConnectionConstructor::connectToBus(const QString &address, const QString &name)
+{
+    return QDBusConnection::connectToBus(address, name);
+}
+
+QDBusConnection QDBusConnectionConstructor::connectToBus(QDBusConnection::BusType type, const QString &name)
+{
+    return QDBusConnection::connectToBus(type, name);
+}
+
+QScriptDBusConnection::QScriptDBusConnection(const QDBusConnection &conn, QObject *parent)
+    : QObject(parent), connection(conn)
+{
+}
+
+QScriptValue QScriptDBusConnection::dbusInterface() const
+{
+    QDBusConnectionInterface *iface = connection.interface();
+    if (!iface)
+        return engine()->nullValue();
+    return setupDBusInterface(engine(), iface);
+}
+
+QScriptDBusInterfaceConstructor::QScriptDBusInterfaceConstructor(QScriptEngine *engine, QScriptValue extensionObject)
+{
+    QScriptValue ctorValue = engine->newQObject(this);
+    QScriptValue klass = engine->newQMetaObject(metaObject(), ctorValue);
+    extensionObject.setProperty(QLatin1String("QDBusInterface"), klass);
+}
+
+QScriptValue QScriptDBusInterfaceConstructor::qscript_call(const QString &service, const QString &path, const QString &interface,
+                                                           const QScriptValue &conn)
+{
+    QDBusConnection connection = QDBusConnection::sessionBus();
+
+    QScriptDBusConnection *connWrapper = qobject_cast<QScriptDBusConnection *>(conn.toQObject());
+    if (connWrapper)
+        connection = connWrapper->dbusConnection();
+
+    return setupDBusInterface(engine(), new QDBusInterface(service, path, interface, connection, engine()));
+}
+
+QScriptDBusMessageConstructor::QScriptDBusMessageConstructor(QScriptEngine *engine, QScriptValue extensionObject)
+    : QObject(engine)
+{
+    proto = engine->newQMetaObject(metaObject(), engine->newQObject(this));
+
+    proto.setProperty(QLatin1String("createReply"), engine->newFunction(createReply));
+    proto.setProperty(QLatin1String("createErrorReply"), engine->newFunction(createErrorReply));
+
+    extensionObject.setProperty(QLatin1String("QDBusMessage"), proto);
+    engine->setDefaultPrototype(qMetaTypeId<QDBusMessage>(), proto);
+}
+
+QDBusMessage QScriptDBusMessageConstructor::createSignal(const QString &path, const QString &interface, const QString &name)
+{
+    return QDBusMessage::createSignal(path, interface, name);
+}
+
+QDBusMessage QScriptDBusMessageConstructor::createMethodCall(const QString &destination, const QString &path, const QString &interface, const QString &method)
+{
+    return QDBusMessage::createMethodCall(destination, path, interface, method);
+}
+
+QDBusMessage QScriptDBusMessageConstructor::createError(const QString &name, const QString &msg)
+{
+    return QDBusMessage::createError(name, msg);
+}
+
+static QScriptValue messageToScriptValue(QScriptEngine *engine, const QDBusMessage &message)
+{
+    QScriptValue v = engine->newVariant(QVariant::fromValue(message));
+    v.setProperty(QLatin1String("service"), QScriptValue(engine, message.service()), QScriptValue::ReadOnly);
+    v.setProperty(QLatin1String("path"), QScriptValue(engine, message.path()), QScriptValue::ReadOnly);
+    v.setProperty(QLatin1String("interface"), QScriptValue(engine, message.interface()), QScriptValue::ReadOnly);
+    v.setProperty(QLatin1String("member"), QScriptValue(engine, message.member()), QScriptValue::ReadOnly);
+    v.setProperty(QLatin1String("type"), QScriptValue(engine, message.type()), QScriptValue::ReadOnly);
+    v.setProperty(QLatin1String("signature"), QScriptValue(engine, message.signature()), QScriptValue::ReadOnly);
+    v.setProperty(QLatin1String("isReplyRequired"), QScriptValue(engine, message.isReplyRequired()), QScriptValue::ReadOnly);
+
+    v.setProperty(QLatin1String("delayedReply"), QScriptValue(engine, message.isDelayedReply()));
+    QScriptValue argValue = engine->newArray();
+    const QList<QVariant> args = message.arguments();
+    for (int i = 0; i < args.count(); ++i)
+        argValue.setProperty(QScriptValue(engine, i).toString(),
+                             engine->newVariant(args.at(i)));
+
+    v.setProperty(QLatin1String("arguments"), argValue);
+
+    return v;
+}
+
+static void scriptValueToMessage(const QScriptValue &value, QDBusMessage &message)
+{
+    QVariant v = value.toVariant();
+    message = qvariant_cast<QDBusMessage>(v);
+    message.setDelayedReply(value.property(QLatin1String("delayedReply")).toBoolean());
+
+    QList<QVariant> args;
+    quint32 len = value.property(QLatin1String("length")).toUInt32();
+    for (quint32 i = 0; i < len; ++i) {
+        QScriptValue item = value.property(i);
+        args.append(item.toVariant());
+    }
+    message.setArguments(args);
+}
+
+QScriptValue QScriptDBusMessageConstructor::createReply(QScriptContext *context, QScriptEngine *engine)
+{
+    QDBusMessage msg;
+    scriptValueToMessage(context->thisObject(), msg);
+
+    QList<QVariant> args;
+    for (int i = 0; i < context->argumentCount(); ++i) {
+        QScriptValue value = context->argument(i);
+        args.append(value.toVariant());
+    }
+
+    return messageToScriptValue(engine, msg.createReply(args));
+}
+
+QScriptValue QScriptDBusMessageConstructor::createErrorReply(QScriptContext *context, QScriptEngine *engine)
+{
+    if (context->argumentCount() != 2)
+        return engine->nullValue();
+
+    QDBusMessage msg;
+    scriptValueToMessage(context->thisObject(), msg);
+
+    QString name = context->argument(0).toString();
+    QString errMsg = context->argument(1).toString();
+    return messageToScriptValue(engine, msg.createErrorReply(name, errMsg));
+}
+
+template <typename T>
+QScriptValue qDBusReplyToScriptValue(QScriptEngine *eng, const QDBusReply<T> &reply)
+{
+    return QScriptValue(eng, reply.value());
+}
+
+template <>
+QScriptValue qDBusReplyToScriptValue(QScriptEngine *eng, const QDBusReply<QStringList> &reply)
+{
+    QScriptValue v = eng->newArray();
+    const QStringList &lst = reply.value();
+    for (int i = 0; i < lst.count(); ++i)
+        v.setProperty(i, QScriptValue(eng, lst.at(i)));
+    return v;
+}
+
+template <typename T>
+void qDBusReplyFromScriptValue(const QScriptValue &, QDBusReply<T> &)
+{
+    // never called
+}
+
+QScriptValue qDBusErrorToScriptValue(QScriptEngine *engine, const QDBusError &error)
+{
+    QScriptValue v = engine->newObject();
+    v.setProperty(QLatin1String("type"), QScriptValue(engine, error.type()), QScriptValue::ReadOnly);
+    v.setProperty(QLatin1String("name"), QScriptValue(engine, error.name()), QScriptValue::ReadOnly);
+    v.setProperty(QLatin1String("message"), QScriptValue(engine, error.message()), QScriptValue::ReadOnly);
+    v.setProperty(QLatin1String("isValid"), QScriptValue(engine, error.isValid()), QScriptValue::ReadOnly);
+    return v;
+}
+
+void scriptValueToQDBusError(const QScriptValue &value, QDBusError &error)
+{
+    Q_UNUSED(value)
+    Q_UNUSED(error)
+    // never called
+}
+
+Q_DECLARE_METATYPE(QDBusReply<QString>)
+Q_DECLARE_METATYPE(QDBusReply<QStringList>)
+Q_DECLARE_METATYPE(QDBusReply<uint>)
+Q_DECLARE_METATYPE(QDBusReply<bool>)
+Q_DECLARE_METATYPE(QDBusReply<QDBusConnectionInterface::RegisterServiceReply>)
+Q_DECLARE_METATYPE(QDBusError)
+
+class QtDBusScriptPlugin : public QScriptExtensionPlugin
+{
+public:
+    QStringList keys() const;
+    void initialize(const QString &key, QScriptEngine *engine);
+};
+
+QStringList QtDBusScriptPlugin::keys() const
+{
+    return QStringList(QLatin1String("qt.dbus"));
+}
+
+void QtDBusScriptPlugin::initialize(const QString &key, QScriptEngine *engine)
+{
+    if (key != QLatin1String("qt.dbus")) {
+        Q_ASSERT_X(false, "initialize", qPrintable(key));
+        return;
+    }
+
+    QScriptValue extensionObject = engine->globalObject();
+
+    qScriptRegisterMetaType<QDBusReply<QString> >(engine, qDBusReplyToScriptValue, qDBusReplyFromScriptValue);
+    qScriptRegisterMetaType<QDBusReply<QStringList> >(engine, qDBusReplyToScriptValue, qDBusReplyFromScriptValue);
+    qScriptRegisterMetaType<QDBusReply<uint> >(engine, qDBusReplyToScriptValue, qDBusReplyFromScriptValue);
+    qScriptRegisterMetaType<QDBusReply<bool> >(engine, qDBusReplyToScriptValue, qDBusReplyFromScriptValue);
+    qScriptRegisterMetaType<QDBusReply<QDBusConnectionInterface::RegisterServiceReply> >(engine, qDBusReplyToScriptValue, qDBusReplyFromScriptValue);
+    qScriptRegisterMetaType<QDBusMessage>(engine, messageToScriptValue, scriptValueToMessage);
+    qScriptRegisterMetaType<QDBusError>(engine, qDBusErrorToScriptValue, scriptValueToQDBusError);
+
+    QScriptValue connIfaceProto = engine->newQMetaObject(&QDBusConnectionInterface::staticMetaObject, engine->nullValue());
+    extensionObject.setProperty(QLatin1String("QDBusConnectionInterface"), connIfaceProto);
+
+    QScriptValue qdbus = engine->newObject();
+    qdbus.setProperty(QLatin1String("NoBlock"), QScriptValue(engine, QDBus::NoBlock));
+    qdbus.setProperty(QLatin1String("Block"), QScriptValue(engine, QDBus::Block));
+    qdbus.setProperty(QLatin1String("BlockWithGui"), QScriptValue(engine, QDBus::BlockWithGui));
+    qdbus.setProperty(QLatin1String("AutoDetect"), QScriptValue(engine, QDBus::AutoDetect));
+    engine->globalObject().setProperty(QLatin1String("QDBus"), qdbus);
+
+    (void)new QDBusConnectionConstructor(engine, extensionObject);
+    (void)new QScriptDBusInterfaceConstructor(engine, extensionObject);
+    (void)new QScriptDBusMessageConstructor(engine, extensionObject);
+}
+
+
+Q_EXPORT_STATIC_PLUGIN(QtDBusScriptPlugin)
+Q_EXPORT_PLUGIN2(qtscriptdbus, QtDBusScriptPlugin)
+
+#endif // QT_NO_DBUS