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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef EXTENSIONS_BROWSER_API_MESSAGING_NATIVE_MESSAGE_PORT_H_
#define EXTENSIONS_BROWSER_API_MESSAGING_NATIVE_MESSAGE_PORT_H_
#include <memory>
#include <string>
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "base/threading/thread_checker.h"
#include "extensions/browser/api/messaging/message_port.h"
namespace base {
class SingleThreadTaskRunner;
}
namespace extensions {
class NativeMessageHost;
class NativeMessagePortDispatcher;
struct Message;
struct PortId;
// A port that manages communication with a native application.
// All methods must be called on the UI Thread of the browser process.
class NativeMessagePort : public MessagePort {
public:
NativeMessagePort(base::WeakPtr<ChannelDelegate> channel_delegate,
const PortId& port_id,
std::unique_ptr<NativeMessageHost> native_message_host);
~NativeMessagePort() override;
// MessagePort implementation.
bool IsValidPort() override;
void DispatchOnMessage(const Message& message) override;
void PostMessageFromNativeHost(const std::string& message);
void CloseChannel(const std::string& error_message);
private:
base::ThreadChecker thread_checker_;
scoped_refptr<base::SingleThreadTaskRunner> host_task_runner_;
std::unique_ptr<NativeMessagePortDispatcher> dispatcher_;
base::WeakPtrFactory<NativeMessagePort> weak_factory_{this};
};
} // namespace extensions
#endif // EXTENSIONS_BROWSER_API_MESSAGING_NATIVE_MESSAGE_PORT_H_
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