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      1 // Copyright 2015 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef MOJO_PUBLIC_CPP_BINDINGS_PIPE_CONTROL_MESSAGE_PROXY_H_
      6 #define MOJO_PUBLIC_CPP_BINDINGS_PIPE_CONTROL_MESSAGE_PROXY_H_
      7 
      8 #include "base/macros.h"
      9 #include "base/optional.h"
     10 #include "mojo/public/cpp/bindings/bindings_export.h"
     11 #include "mojo/public/cpp/bindings/disconnect_reason.h"
     12 #include "mojo/public/cpp/bindings/interface_id.h"
     13 #include "mojo/public/cpp/bindings/lib/serialization_context.h"
     14 #include "mojo/public/cpp/bindings/message.h"
     15 
     16 namespace mojo {
     17 
     18 class MessageReceiver;
     19 
     20 // Proxy for request messages defined in pipe_control_messages.mojom.
     21 //
     22 // NOTE: This object may be used from multiple threads.
     23 class MOJO_CPP_BINDINGS_EXPORT PipeControlMessageProxy {
     24  public:
     25   // Doesn't take ownership of |receiver|. If This PipeControlMessageProxy will
     26   // be used from multiple threads, |receiver| must be thread-safe.
     27   explicit PipeControlMessageProxy(MessageReceiver* receiver);
     28 
     29   void NotifyPeerEndpointClosed(InterfaceId id,
     30                                 const base::Optional<DisconnectReason>& reason);
     31 
     32   static Message ConstructPeerEndpointClosedMessage(
     33       InterfaceId id,
     34       const base::Optional<DisconnectReason>& reason);
     35 
     36  private:
     37   // Not owned.
     38   MessageReceiver* receiver_;
     39 
     40   DISALLOW_COPY_AND_ASSIGN(PipeControlMessageProxy);
     41 };
     42 
     43 }  // namespace mojo
     44 
     45 #endif  // MOJO_PUBLIC_CPP_BINDINGS_PIPE_CONTROL_MESSAGE_PROXY_H_
     46