Remove kde-runtime dependency "nepomukdatamanagement"

Follow the suggestion from Vishesh Handa and copy the ResourceWatcher
code from kde-runtime instead of creating a dependency. This will of
course get removed again as soon as Nepomuk's resource watcher will
get a public API.

1 files changed, 299 insertions, 0 deletions

diff --git a/src/kitemviews/private/nepomuk/resourcewatcher.cpp b/src/kitemviews/private/nepomuk/resourcewatcher.cpp
new file mode 100644
index 000000000..2dcf567ca
--- /dev/null
+++ b/src/kitemviews/private/nepomuk/resourcewatcher.cpp
@@ -0,0 +1,299 @@
+/*
+    This file is part of the Nepomuk KDE project.
+    Copyright (C) 2011  Vishesh Handa <[email protected]>
+    Copyright (C) 2011-2012 Sebastian Trueg <[email protected]>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library 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
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+
+#include "resourcewatcher.h"
+#include "resourcewatcherconnectioninterface.h"
+#include "resourcewatchermanagerinterface.h"
+
+#include <QtDBus/QDBusObjectPath>
+
+#include <nepomuk/resource.h>
+#include <nepomuk/resourcemanager.h>
+
+#include <KUrl>
+#include <KDebug>
+
+namespace {
+    QString convertUri(const QUrl& uri) {
+        return KUrl(uri).url();
+    }
+
+    QStringList convertUris(const QList<QUrl>& uris) {
+        QStringList cs;
+        foreach(const QUrl& uri, uris) {
+            cs << convertUri(uri);
+        }
+        return cs;
+    }
+
+    QList<QUrl> convertUris(const QStringList& uris) {
+        QList<QUrl> us;
+        foreach(const QString& uri, uris) {
+            us << KUrl(uri);
+        }
+        return us;
+    }
+}
+
+class Nepomuk::ResourceWatcher::Private {
+public:
+    QList<QUrl> m_types;
+    QList<QUrl> m_resources;
+    QList<QUrl> m_properties;
+
+    org::kde::nepomuk::ResourceWatcherConnection * m_connectionInterface;
+    org::kde::nepomuk::ResourceWatcher * m_watchManagerInterface;
+};
+
+Nepomuk::ResourceWatcher::ResourceWatcher(QObject* parent)
+    : QObject(parent),
+      d(new Private)
+{
+    d->m_watchManagerInterface
+            = new org::kde::nepomuk::ResourceWatcher( "org.kde.nepomuk.DataManagement",
+                                                      "/resourcewatcher",
+                                                      QDBusConnection::sessionBus() );
+    d->m_connectionInterface = 0;
+}
+
+Nepomuk::ResourceWatcher::~ResourceWatcher()
+{
+    stop();
+    delete d;
+}
+
+bool Nepomuk::ResourceWatcher::start()
+{
+    stop();
+
+    //
+    // Convert to list of strings
+    //
+    QList<QString> uris = convertUris(d->m_resources);
+    QList<QString> props = convertUris(d->m_properties);
+    QList<QString> types_ = convertUris(d->m_types);
+
+    //
+    // Watch for the RW service to (re-)appear and then re-connect to make sure we always get updates
+    // We create this watcher even if we fail to connect below. Thus, once the rw service comes up we
+    // can re-attach.
+    //
+    connect(ResourceManager::instance(), SIGNAL(nepomukSystemStarted()), this, SLOT(start()));
+
+    //
+    // Create the dbus object to watch
+    //
+    QDBusPendingReply<QDBusObjectPath> reply = d->m_watchManagerInterface->watch( uris, props, types_ );
+    QDBusObjectPath path = reply.value();
+
+    if(!path.path().isEmpty()) {
+        d->m_connectionInterface = new org::kde::nepomuk::ResourceWatcherConnection( "org.kde.nepomuk.DataManagement",
+                                                                                     path.path(),
+                                                                                     QDBusConnection::sessionBus() );
+        connect( d->m_connectionInterface, SIGNAL(propertyAdded(QString,QString,QVariantList)),
+                 this, SLOT(slotPropertyAdded(QString,QString,QVariantList)) );
+        connect( d->m_connectionInterface, SIGNAL(propertyRemoved(QString,QString,QVariantList)),
+                 this, SLOT(slotPropertyRemoved(QString,QString,QVariantList)) );
+        connect( d->m_connectionInterface, SIGNAL(resourceCreated(QString,QStringList)),
+                 this, SLOT(slotResourceCreated(QString,QStringList)) );
+        connect( d->m_connectionInterface, SIGNAL(propertyChanged(QString,QString,QVariantList,QVariantList)),
+                 this, SLOT(slotPropertyChanged(QString,QString,QVariantList,QVariantList)) );
+        connect( d->m_connectionInterface, SIGNAL(resourceRemoved(QString,QStringList)),
+                 this, SLOT(slotResourceRemoved(QString,QStringList)) );
+        connect( d->m_connectionInterface, SIGNAL(resourceTypesAdded(QString,QStringList)),
+                 this, SLOT(slotResourceTypesAdded(QString,QStringList)) );
+        connect( d->m_connectionInterface, SIGNAL(resourceTypesRemoved(QString,QStringList)),
+                 this, SLOT(slotResourceTypesRemoved(QString,QStringList)) );
+
+        kDebug() << "Successfully connected to watch service";
+        return true;
+    }
+    else {
+        kDebug() << "Failed to connect to watch service" << reply.error().message();
+        return false;
+    }
+}
+
+void Nepomuk::ResourceWatcher::stop()
+{
+    if (d->m_connectionInterface) {
+        d->m_connectionInterface->close();
+        delete d->m_connectionInterface;
+        d->m_connectionInterface = 0;
+    }
+
+    disconnect(ResourceManager::instance(), SIGNAL(nepomukSystemStarted()), this, SLOT(start()));
+}
+
+void Nepomuk::ResourceWatcher::addProperty(const Nepomuk::Types::Property& property)
+{
+    d->m_properties << property.uri();
+    if(d->m_connectionInterface) {
+        d->m_connectionInterface->addProperty(convertUri(property.uri()));
+    }
+}
+
+void Nepomuk::ResourceWatcher::addResource(const Nepomuk::Resource& res)
+{
+    d->m_resources << res.resourceUri();
+    if(d->m_connectionInterface) {
+        d->m_connectionInterface->addResource(convertUri(res.resourceUri()));
+    }
+}
+
+void Nepomuk::ResourceWatcher::addType(const Nepomuk::Types::Class& type)
+{
+    d->m_types << type.uri();
+    if(d->m_connectionInterface) {
+        d->m_connectionInterface->addType(convertUri(type.uri()));
+    }
+}
+
+void Nepomuk::ResourceWatcher::removeProperty(const Nepomuk::Types::Property& property)
+{
+    d->m_properties.removeAll(property.uri());
+    if(d->m_connectionInterface) {
+        d->m_connectionInterface->removeProperty(convertUri(property.uri()));
+    }
+}
+
+void Nepomuk::ResourceWatcher::removeResource(const Nepomuk::Resource& res)
+{
+    d->m_resources.removeAll(res.resourceUri());
+    if(d->m_connectionInterface) {
+        d->m_connectionInterface->removeResource(convertUri(res.resourceUri()));
+    }
+}
+
+void Nepomuk::ResourceWatcher::removeType(const Nepomuk::Types::Class& type)
+{
+    d->m_types.removeAll(type.uri());
+    if(d->m_connectionInterface) {
+        d->m_connectionInterface->removeType(convertUri(type.uri()));
+    }
+}
+
+QList< Nepomuk::Types::Property > Nepomuk::ResourceWatcher::properties() const
+{
+    QList< Nepomuk::Types::Property > props;
+    foreach(const QUrl& uri, d->m_properties)
+        props << Types::Property(uri);
+    return props;
+}
+
+QList<Nepomuk::Resource> Nepomuk::ResourceWatcher::resources() const
+{
+    QList<Nepomuk::Resource> resources;
+    foreach(const QUrl& uri, d->m_resources)
+        resources << Resource::fromResourceUri(uri);
+    return resources;
+}
+
+QList< Nepomuk::Types::Class > Nepomuk::ResourceWatcher::types() const
+{
+    QList<Nepomuk::Types::Class> types;
+    foreach(const QUrl& uri, d->m_types)
+        types << Types::Class(uri);
+    return types;
+}
+
+void Nepomuk::ResourceWatcher::setProperties(const QList< Nepomuk::Types::Property >& properties_)
+{
+    d->m_properties.clear();
+    foreach(const Nepomuk::Types::Property& p, properties_) {
+        d->m_properties << p.uri();
+    }
+
+    if(d->m_connectionInterface) {
+        d->m_connectionInterface->setProperties(convertUris(d->m_properties));
+    }
+}
+
+void Nepomuk::ResourceWatcher::setResources(const QList< Nepomuk::Resource >& resources_)
+{
+    d->m_resources.clear();
+    foreach(const Nepomuk::Resource& res, resources_) {
+        d->m_resources << res.resourceUri();
+    }
+
+    if(d->m_connectionInterface) {
+        d->m_connectionInterface->setResources(convertUris(d->m_resources));
+    }
+}
+
+void Nepomuk::ResourceWatcher::setTypes(const QList< Nepomuk::Types::Class >& types_)
+{
+    d->m_types.clear();
+    foreach(const Nepomuk::Types::Class& t, types_) {
+        d->m_types << t.uri();
+    }
+
+    if(d->m_connectionInterface) {
+        d->m_connectionInterface->setTypes(convertUris(d->m_types));
+    }
+}
+
+void Nepomuk::ResourceWatcher::slotResourceCreated(const QString &res, const QStringList &types)
+{
+    emit resourceCreated(Nepomuk::Resource::fromResourceUri(KUrl(res)), convertUris(types));
+}
+
+void Nepomuk::ResourceWatcher::slotResourceRemoved(const QString &res, const QStringList &types)
+{
+    emit resourceRemoved(KUrl(res), convertUris(types));
+}
+
+void Nepomuk::ResourceWatcher::slotResourceTypesAdded(const QString &res, const QStringList &types)
+{
+    foreach(const QString& type, types) {
+        emit resourceTypeAdded(KUrl(res), KUrl(type));
+    }
+}
+
+void Nepomuk::ResourceWatcher::slotResourceTypesRemoved(const QString &res, const QStringList &types)
+{
+    foreach(const QString& type, types) {
+        emit resourceTypeRemoved(KUrl(res), KUrl(type));
+    }
+}
+
+void Nepomuk::ResourceWatcher::slotPropertyAdded(const QString& res, const QString& prop, const QVariantList &objects)
+{
+    foreach(const QVariant& v, objects) {
+        emit propertyAdded( Resource::fromResourceUri(KUrl(res)), Types::Property( KUrl(prop) ), v );
+    }
+}
+
+void Nepomuk::ResourceWatcher::slotPropertyRemoved(const QString& res, const QString& prop, const QVariantList &objects)
+{
+    foreach(const QVariant& v, objects) {
+        emit propertyRemoved( Resource::fromResourceUri(KUrl(res)), Types::Property( KUrl(prop) ), v );
+    }
+}
+
+void Nepomuk::ResourceWatcher::slotPropertyChanged(const QString& res, const QString& prop, const QVariantList& oldObjs, const QVariantList& newObjs)
+{
+    emit propertyChanged( Resource::fromResourceUri(KUrl(res)), Types::Property( KUrl(prop) ),
+                          oldObjs, newObjs );
+}
+
+#include "resourcewatcher.moc"
+