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// Copyright (c) 2012 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 CHROME_BROWSER_EXTENSIONS_API_MESSAGING_NATIVE_MESSAGE_PORT_H_
#define CHROME_BROWSER_EXTENSIONS_API_MESSAGING_NATIVE_MESSAGE_PORT_H_
#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"
#include "extensions/common/api/messaging/port_id.h"
namespace base {
class SingleThreadTaskRunner;
}
namespace extensions {
class NativeMessageHost;
// 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;
private:
class Core;
void PostMessageFromNativeHost(const std::string& message);
void CloseChannel(const std::string& error_message);
base::ThreadChecker thread_checker_;
base::WeakPtr<ChannelDelegate> weak_channel_delegate_;
scoped_refptr<base::SingleThreadTaskRunner> host_task_runner_;
const PortId port_id_;
std::unique_ptr<Core> core_;
base::WeakPtrFactory<NativeMessagePort> weak_factory_;
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_MESSAGING_NATIVE_MESSAGE_PORT_H_
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