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// Copyright 2014 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 REMOTING_HOST_NATIVE_MESSAGING_PIPE_MESSAGING_CHANNEL_H_
#define REMOTING_HOST_NATIVE_MESSAGING_PIPE_MESSAGING_CHANNEL_H_
#include "base/callback.h"
#include "base/files/file.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/threading/non_thread_safe.h"
#include "extensions/browser/api/messaging/native_messaging_channel.h"
#include "remoting/host/native_messaging/native_messaging_reader.h"
#include "remoting/host/native_messaging/native_messaging_writer.h"
namespace base {
class DictionaryValue;
class Value;
} // namespace base
namespace remoting {
// An implementation of extensions::NativeMessagingChannel using a pipe. It
// is used by the It2MeNativeMessagingHost and Me2MeNativeMessagingHost to
// communicate with the chrome process.
// TODO(kelvinp): Move this class to the extensions/browser/api/messaging
// directory.
class PipeMessagingChannel : public extensions::NativeMessagingChannel,
public base::NonThreadSafe {
public:
typedef extensions::NativeMessagingChannel::EventHandler EventHandler;
// Constructs an object taking the ownership of |input| and |output|. Closes
// |input| and |output| to prevent the caller from using them.
PipeMessagingChannel(base::File input, base::File output);
~PipeMessagingChannel() override;
// extensions::NativeMessagingChannel implementation.
void Start(EventHandler* event_handler) override;
void SendMessage(scoped_ptr<base::Value> message) override;
private:
// Processes a message received from the client app.
void ProcessMessage(scoped_ptr<base::Value> message);
// Initiates shutdown.
void Shutdown();
NativeMessagingReader native_messaging_reader_;
scoped_ptr<NativeMessagingWriter> native_messaging_writer_;
EventHandler* event_handler_;
base::WeakPtr<PipeMessagingChannel> weak_ptr_;
base::WeakPtrFactory<PipeMessagingChannel> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(PipeMessagingChannel);
};
} // namespace remoting
#endif // REMOTING_HOST_NATIVE_MESSAGING_PIPE_MESSAGING_CHANNEL_H_
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