Added the Fabric as an in application message bus

1 files changed, 83 insertions, 0 deletions

diff --git a/framework/src/fabric.cpp b/framework/src/fabric.cpp
new file mode 100644
index 00000000..b14ed55d
--- /dev/null
+++ b/framework/src/fabric.cpp
@@ -0,0 +1,83 @@
+/*
+    Copyright (c) 2016 Christian Mollekopf <mollekopf@kolabsys.com>
+
+    This library is free software; you can redistribute it and/or modify it
+    under the terms of the GNU Library General Public License as published by
+    the Free Software Foundation; either version 2 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 Library General Public
+    License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to the
+    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+    02110-1301, USA.
+*/
+
+#include "fabric.h"
+
+#include <QDebug>
+
+namespace Kube {
+namespace Fabric {
+
+class Bus {
+public:
+    Bus() = default;
+    ~Bus() = default;
+
+    static Bus &instance()
+    {
+        static Bus bus;
+        return bus;
+    }
+
+    void registerListener(Listener *listener)
+    {
+        mListener << listener;
+    }
+
+    void unregisterListener(Listener *listener)
+    {
+        mListener.removeAll(listener);
+    }
+
+    void postMessage(const QString &id, const QVariantMap &message)
+    {
+        for (const auto &l : mListener) {
+            l->notify(id, message);
+        }
+    }
+
+private:
+    QVector<Listener*> mListener;
+};
+
+void Fabric::postMessage(const QString &id, const QVariantMap &msg)
+{
+    Bus::instance().postMessage(id, msg);
+}
+
+Listener::Listener(QObject *parent)
+    : QObject(parent)
+{
+    Bus::instance().registerListener(this);
+}
+
+Listener::~Listener()
+{
+    Bus::instance().unregisterListener(this);
+}
+
+void Listener::notify(const QString &messageId, const QVariantMap &msg)
+{
+    if (messageId == mFilter) {
+        emit messageReceived(msg);
+    }
+}
+
+}
+}