Rearrange the Preferences window

- Move all status display into a new window "NFD Status"
- Keep "Auto-config Status" at the original tab place
- Remove security tab
- Remove useless statements

Change-Id: Iecdae2619f50124e151323f4b52b5df01e5cc6fb
diff --git a/src/status-viewer.cpp b/src/status-viewer.cpp
new file mode 100644
index 0000000..de7bab9
--- /dev/null
+++ b/src/status-viewer.cpp
@@ -0,0 +1,85 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2017, Regents of the University of California,
+ *
+ * This file is part of NFD Control Center.  See AUTHORS.md for complete list of NFD
+ * authors and contributors.
+ *
+ * NFD Control Center 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 3 of the License, or (at your option) any later version.
+ *
+ * NFD Control Center 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 General Public License along with NFD
+ * Control Center, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "status-viewer.hpp"
+#include "status-viewer.moc"
+
+namespace ndn {
+
+StatusViewer::StatusViewer(Face& face, KeyChain& keyChain)
+  : s_face(face)
+  , s_keyChain(keyChain)
+  , s_controller(new nfd::Controller(s_face, s_keyChain))
+  , s_scheduler(s_face.getIoService())
+{
+  QQmlContext* s_context = s_engine.rootContext();
+
+  s_context->setContextProperty("forwarderModel", &s_forwarderStatusModel);
+  s_context->setContextProperty("fibModel", &s_fibModel);
+  s_context->setContextProperty("ribModel", &s_ribModel);
+  s_context->setContextProperty("statusViewer", this);
+
+  s_engine.load((QUrl("qrc:/status.qml")));
+}
+
+void
+StatusViewer::onStatusRetrieved(const nfd::ForwarderStatus& status)
+{
+  emit s_forwarderStatusModel.onDataReceived(status);
+}
+
+void
+StatusViewer::onFibStatusRetrieved(const std::vector<nfd::FibEntry>& status)
+{
+  emit s_fibModel.onDataReceived(status);
+}
+
+void
+StatusViewer::onRibStatusRetrieved(const std::vector<nfd::RibEntry>& status)
+{
+  emit s_ribModel.onDataReceived(status);
+}
+
+void
+StatusViewer::onStatusTimeout()
+{
+  std::cerr << "Should not really happen, most likely a serious problem" << std::endl;
+  s_scheduler.scheduleEvent(time::seconds(15), bind(&StatusViewer::requestNfdStatus, this));
+}
+
+void
+StatusViewer::requestNfdStatus()
+{
+  s_controller->fetch<ndn::nfd::ForwarderGeneralStatusDataset>(bind(&StatusViewer::onStatusRetrieved, this, _1),
+                                                              bind(&StatusViewer::onStatusTimeout, this));
+  s_controller->fetch<ndn::nfd::FibDataset>(bind(&StatusViewer::onFibStatusRetrieved, this, _1),
+                                           bind(&StatusViewer::onStatusTimeout, this));
+  s_controller->fetch<ndn::nfd::RibDataset>(bind(&StatusViewer::onRibStatusRetrieved, this, _1),
+                                           bind(&StatusViewer::onStatusTimeout, this));
+  s_scheduler.scheduleEvent(time::seconds(15), bind(&StatusViewer::requestNfdStatus, this));
+}
+
+void
+StatusViewer::present()
+{
+  requestNfdStatus();
+  emit showStatus();
+}
+
+} // namespace ndn