1 files changed, 44 insertions, 0 deletions
diff --git a/Swiften/StreamStack/StreamStack.h b/Swiften/StreamStack/StreamStack.h
new file mode 100644
index 0000000..87c522d
--- /dev/null
+++ b/Swiften/StreamStack/StreamStack.h
@@ -0,0 +1,44 @@
+#pragma once
+
+#include <boost/shared_ptr.hpp>
+#include <boost/signal.hpp>
+#include <vector>
+
+#include "Swiften/Elements/Stanza.h"
+#include "Swiften/Base/foreach.h"
+
+namespace Swift {
+	class XMPPLayer;
+	class LowLayer;
+	class StreamLayer;
+
+	class StreamStack {
+		public:
+			StreamStack(boost::shared_ptr<XMPPLayer> xmppLayer, boost::shared_ptr<LowLayer> physicalLayer);
+			~StreamStack();
+
+			void addLayer(boost::shared_ptr<StreamLayer>);
+
+			boost::shared_ptr<XMPPLayer> getXMPPLayer() const {
+				return xmppLayer_;
+			}
+
+			template<typename T> boost::shared_ptr<T> getLayer() {
+				foreach(const boost::shared_ptr<StreamLayer>& streamLayer, layers_) {
+					boost::shared_ptr<T> layer = boost::dynamic_pointer_cast<T>(streamLayer);
+					if (layer) {
+						return layer;
+					}
+				}
+				return boost::shared_ptr<T>();
+			}
+
+		private:
+			boost::shared_ptr<XMPPLayer> xmppLayer_;
+			boost::shared_ptr<LowLayer> physicalLayer_;
+			std::vector< boost::shared_ptr<StreamLayer> > layers_;
+			boost::bsignals::connection xmppReadSlotConnection_;
+			boost::bsignals::connection xmppWriteSignalConnection_;
+			std::vector< boost::bsignals::connection > writeSignalConnections_;
+	};
+}