It2Me native messaging: GYP and source refactoring

remoting/host/it2me/it2me_impl.h

-// 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_IMPL_H_
-#define REMOTING_HOST_IT2ME__IT2ME_IMPL_H_
-
-#include "base/memory/ref_counted.h"
-#include "base/memory/weak_ptr.h"
-#include "base/single_thread_task_runner.h"
-#include "remoting/host/log_to_server.h"
-#include "remoting/jingle_glue/xmpp_signal_strategy.h"
-
-namespace remoting {
-
-class RegisterSupportHostRequest;
-class HostNPScriptObject;
-class DesktopEnvironmentFactory;
-class HostEventLogger;
-class ChromotingHost;
-class ChromotingHostContext;
-
-namespace policy_hack {
-
-class PolicyWatcher;
-
-}  // namespace policy_hack
-
-// These state values are duplicated in host_session.js. Remember to update
-// both copies when making changes.
-enum It2MeHostState {
-  kDisconnected,
-  kStarting,
-  kRequestedAccessCode,
-  kReceivedAccessCode,
-  kConnected,
-  kDisconnecting,
-  kError,
-  kInvalidDomainError
-};
-
-// Internal implementation of the plugin's It2Me host function.
-class It2MeImpl
-    : public base::RefCountedThreadSafe<It2MeImpl>,
-      public HostStatusObserver {
- public:
-
-  class Observer {
-   public:
-    virtual void OnClientAuthenticated(const std::string& client_username) = 0;
-    virtual void OnStoreAccessCode(const std::string& access_code,
-                                   base::TimeDelta access_code_lifetime) = 0;
-    virtual void OnNatPolicyChanged(bool nat_traversal_enabled) = 0;
-    virtual void OnStateChanged(It2MeHostState state) = 0;
-  };
-
-  It2MeImpl(
-      scoped_ptr<ChromotingHostContext> context,
-      scoped_refptr<base::SingleThreadTaskRunner> plugin_task_runner,
-      base::WeakPtr<It2MeImpl::Observer> observer,
-      const XmppSignalStrategy::XmppServerConfig& xmpp_server_config,
-      const std::string& directory_bot_jid);
-
-  // Methods called by the script object, from the plugin thread.
-
-  // Creates It2Me host structures and starts the host.
-  void Connect();
-
-  // Disconnects the host, ready for tear-down.
-  // Also called internally, from the network thread.
-  void Disconnect();
-
-  // Request a NAT policy notification.
-  void RequestNatPolicy();
-
-  // remoting::HostStatusObserver implementation.
-  virtual void OnAccessDenied(const std::string& jid) OVERRIDE;
-  virtual void OnClientAuthenticated(const std::string& jid) OVERRIDE;
-  virtual void OnClientDisconnected(const std::string& jid) OVERRIDE;
-
- private:
-  friend class base::RefCountedThreadSafe<It2MeImpl>;
-
-  virtual ~It2MeImpl();
-
-  // Updates state of the host. Can be called only on the network thread.
-  void SetState(It2MeHostState state);
-
-  // Returns true if the host is connected.
-  bool IsConnected() const;
-
-  // Called by Connect() to check for policies and start connection process.
-  void ReadPolicyAndConnect();
-
-  // Called by ReadPolicyAndConnect once policies have been read.
-  void FinishConnect();
-
-  // Called when the support host registration completes.
-  void OnReceivedSupportID(bool success,
-                           const std::string& support_id,
-                           const base::TimeDelta& lifetime);
-
-  // Shuts down |host_| on the network thread and posts ShutdownOnUiThread()
-  // to shut down UI thread resources.
-  void ShutdownOnNetworkThread();
-
-  // Shuts down |desktop_environment_factory_| and |policy_watcher_| on
-  // the UI thread.
-  void ShutdownOnUiThread();
-
-  // Called when initial policies are read, and when they change.
-  void OnPolicyUpdate(scoped_ptr<base::DictionaryValue> policies);
-
-  // Handlers for NAT traversal and host domain policies.
-  void UpdateNatPolicy(bool nat_traversal_enabled);
-  void UpdateHostDomainPolicy(const std::string& host_domain);
-
-  // Caller supplied fields.
-  scoped_ptr<ChromotingHostContext> host_context_;
-  scoped_refptr<base::SingleThreadTaskRunner> plugin_task_runner_;
-  base::WeakPtr<It2MeImpl::Observer> observer_;
-  XmppSignalStrategy::XmppServerConfig xmpp_server_config_;
-  std::string directory_bot_jid_;
-
-  It2MeHostState state_;
-
-  scoped_refptr<RsaKeyPair> host_key_pair_;
-  scoped_ptr<SignalStrategy> signal_strategy_;
-  scoped_ptr<RegisterSupportHostRequest> register_request_;
-  scoped_ptr<LogToServer> log_to_server_;
-  scoped_ptr<DesktopEnvironmentFactory> desktop_environment_factory_;
-  scoped_ptr<HostEventLogger> host_event_logger_;
-
-  scoped_ptr<ChromotingHost> host_;
-  int failed_login_attempts_;
-
-  scoped_ptr<policy_hack::PolicyWatcher> policy_watcher_;
-
-  // Host the current nat traversal policy setting.
-  bool nat_traversal_enabled_;
-
-  // The host domain policy setting.
-  std::string required_host_domain_;
-
-  // Indicates whether or not a policy has ever been read. This is to ensure
-  // that on startup, we do not accidentally start a connection before we have
-  // queried our policy restrictions.
-  bool policy_received_;
-
-  // On startup, it is possible to have Connect() called before the policy read
-  // is completed.  Rather than just failing, we thunk the connection call so
-  // it can be executed after at least one successful policy read. This
-  // variable contains the thunk if it is necessary.
-  base::Closure pending_connect_;
-
-  DISALLOW_COPY_AND_ASSIGN(It2MeImpl);
-};
-
-}  // namespace remoting
-
-#endif  // REMOTING_HOST_IT2ME__IT2ME_IMPL_H_