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// Copyright 2013 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_IT2ME_IT2ME_NATIVE_MESSAGING_HOST_H_
#define REMOTING_HOST_IT2ME_IT2ME_NATIVE_MESSAGING_HOST_H_
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "extensions/browser/api/messaging/native_message_host.h"
#include "remoting/base/auto_thread_task_runner.h"
#include "remoting/host/it2me/it2me_host.h"
namespace base {
class DictionaryValue;
class Value;
} // namespace base
namespace remoting {
// Implementation of the native messaging host process.
class It2MeNativeMessagingHost : public It2MeHost::Observer,
public extensions::NativeMessageHost {
public:
It2MeNativeMessagingHost(scoped_refptr<AutoThreadTaskRunner> task_runner,
scoped_ptr<It2MeHostFactory> factory);
~It2MeNativeMessagingHost() override;
// extensions::NativeMessageHost implementation.
void OnMessage(const std::string& message) override;
void Start(Client* client) override;
scoped_refptr<base::SingleThreadTaskRunner> task_runner() const override;
// It2MeHost::Observer implementation.
void OnClientAuthenticated(const std::string& client_username) override;
void OnStoreAccessCode(const std::string& access_code,
base::TimeDelta access_code_lifetime) override;
void OnNatPolicyChanged(bool nat_traversal_enabled) override;
void OnStateChanged(It2MeHostState state) override;
static std::string HostStateToString(It2MeHostState host_state);
private:
// These "Process.." methods handle specific request types. The |response|
// dictionary is pre-filled by ProcessMessage() with the parts of the
// response already known ("id" and "type" fields).
void ProcessHello(const base::DictionaryValue& message,
scoped_ptr<base::DictionaryValue> response) const;
void ProcessConnect(const base::DictionaryValue& message,
scoped_ptr<base::DictionaryValue> response);
void ProcessDisconnect(const base::DictionaryValue& message,
scoped_ptr<base::DictionaryValue> response);
void SendErrorAndExit(scoped_ptr<base::DictionaryValue> response,
const std::string& description) const;
void SendMessageToClient(scoped_ptr<base::DictionaryValue> message) const;
Client* client_;
scoped_ptr<It2MeHostFactory> factory_;
scoped_ptr<ChromotingHostContext> host_context_;
scoped_refptr<It2MeHost> it2me_host_;
// Cached, read-only copies of |it2me_host_| session state.
It2MeHostState state_;
std::string access_code_;
base::TimeDelta access_code_lifetime_;
std::string client_username_;
// IT2Me Talk server configuration used by |it2me_host_| to connect.
XmppSignalStrategy::XmppServerConfig xmpp_server_config_;
// Chromoting Bot JID used by |it2me_host_| to register the host.
std::string directory_bot_jid_;
base::WeakPtr<It2MeNativeMessagingHost> weak_ptr_;
base::WeakPtrFactory<It2MeNativeMessagingHost> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(It2MeNativeMessagingHost);
};
} // namespace remoting
#endif // REMOTING_HOST_IT2ME_IT2ME_NATIVE_MESSAGING_HOST_H_
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