1 files changed, 38 insertions, 0 deletions
diff --git a/ipc/chromium/src/mojo/core/ports/node_delegate.h b/ipc/chromium/src/mojo/core/ports/node_delegate.h
new file mode 100644
index 0000000000..3172779c06
--- /dev/null
+++ b/ipc/chromium/src/mojo/core/ports/node_delegate.h
@@ -0,0 +1,38 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef MOJO_CORE_PORTS_NODE_DELEGATE_H_
+#define MOJO_CORE_PORTS_NODE_DELEGATE_H_
+
+#include <stddef.h>
+
+#include "mojo/core/ports/event.h"
+#include "mojo/core/ports/name.h"
+#include "mojo/core/ports/port_ref.h"
+
+namespace mojo {
+namespace core {
+namespace ports {
+
+class NodeDelegate {
+ public:
+  virtual ~NodeDelegate() = default;
+
+  // Forward an event (possibly asynchronously) to the specified node.
+  virtual void ForwardEvent(const NodeName& node, ScopedEvent event) = 0;
+
+  // Broadcast an event to all nodes.
+  virtual void BroadcastEvent(ScopedEvent event) = 0;
+
+  // Indicates that the port's status has changed recently. Use Node::GetStatus
+  // to query the latest status of the port. Note, this event could be spurious
+  // if another thread is simultaneously modifying the status of the port.
+  virtual void PortStatusChanged(const PortRef& port_ref) = 0;
+};
+
+}  // namespace ports
+}  // namespace core
+}  // namespace mojo
+
+#endif  // MOJO_CORE_PORTS_NODE_DELEGATE_H_