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// 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_
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