Host extensions

remoting/host/chromoting_host.h

 // 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 REMOTING_HOST_CHROMOTING_HOST_H_
 #define REMOTING_HOST_CHROMOTING_HOST_H_
 
 #include <list>
 #include <string>
 
+#include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_vector.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/threading/non_thread_safe.h"
 #include "base/threading/thread.h"
 #include "net/base/backoff_entry.h"
 #include "remoting/host/client_session.h"
+#include "remoting/host/host_extension.h"
 #include "remoting/host/host_status_monitor.h"
 #include "remoting/host/host_status_observer.h"
 #include "remoting/protocol/authenticator.h"
 #include "remoting/protocol/connection_to_client.h"
 #include "remoting/protocol/pairing_registry.h"
 #include "remoting/protocol/session_manager.h"
 
 namespace base {
 class SingleThreadTaskRunner;
 }  // namespace base
@@ skipping 55 matching lines @@
   // After this is invoked, the host process will connect to the talk
   // network and start listening for incoming connections.
   //
   // This method can only be called once during the lifetime of this object.
   void Start(const std::string& host_owner);
 
   // HostStatusMonitor interface.
   virtual void AddStatusObserver(HostStatusObserver* observer) OVERRIDE;
   virtual void RemoveStatusObserver(HostStatusObserver* observer) OVERRIDE;
 
+  // Registers a host extension.
+  void AddExtension(scoped_ptr<HostExtension> extension);
+
   // This method may be called only from
   // HostStatusObserver::OnClientAuthenticated() to reject the new
   // client.
   void RejectAuthenticatingClient();
 
   // Sets the authenticator factory to use for incoming
   // connections. Incoming connections are rejected until
   // authenticator factory is set. Must be called on the network
   // thread after the host is started. Must not be called more than
   // once per host instance because it may not be safe to delete
   // factory before all authenticators it created are deleted.
   void SetAuthenticatorFactory(
       scoped_ptr<protocol::AuthenticatorFactory> authenticator_factory);
 
   // Enables/disables curtaining when one or more clients are connected.
   // Takes immediate effect if clients are already connected.
   void SetEnableCurtaining(bool enable);
 
   // Sets the maximum duration of any session. By default, a session has no
   // maximum duration.
   void SetMaximumSessionDuration(const base::TimeDelta& max_session_duration);
 
   ////////////////////////////////////////////////////////////////////////////
   // ClientSession::EventHandler implementation.
   virtual void OnSessionAuthenticating(ClientSession* client) OVERRIDE;
   virtual bool OnSessionAuthenticated(ClientSession* client) OVERRIDE;
   virtual void OnSessionChannelsConnected(ClientSession* client) OVERRIDE;
+  virtual void OnClientCapabilities(ClientSession* client) OVERRIDE;
   virtual void OnSessionAuthenticationFailed(ClientSession* client) OVERRIDE;
   virtual void OnSessionClosed(ClientSession* session) OVERRIDE;
   virtual void OnSessionSequenceNumber(ClientSession* session,
                                        int64 sequence_number) OVERRIDE;
   virtual void OnSessionRouteChange(
       ClientSession* session,
       const std::string& channel_name,
       const protocol::TransportRoute& route) OVERRIDE;
 
   // SessionManager::Listener implementation.
@@ skipping 16 matching lines @@
   }
   void set_pairing_registry(
       scoped_refptr<protocol::PairingRegistry> pairing_registry) {
     pairing_registry_ = pairing_registry;
   }
 
  private:
   friend class ChromotingHostTest;
 
   typedef std::list<ClientSession*> ClientList;
+  typedef ScopedVector<HostExtension> HostExtensionList;
 
   // Immediately disconnects all active clients. Host-internal components may
   // shutdown asynchronously, but the caller is guaranteed not to receive
   // callbacks for disconnected clients after this call returns.
   void DisconnectAllClients();
 
   // Unless specified otherwise all members of this class must be
   // used on the network thread only.
 
   // Parameters specified when the host was created.
@@ skipping 30 matching lines @@
 
   // True if the curtain mode is enabled.
   bool enable_curtaining_;
 
   // The maximum duration of any session.
   base::TimeDelta max_session_duration_;
 
   // The pairing registry for PIN-less authentication.
   scoped_refptr<protocol::PairingRegistry> pairing_registry_;
 
+  // List of host extensions.
+  HostExtensionList extensions_;
+
   base::WeakPtrFactory<ChromotingHost> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromotingHost);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_CHROMOTING_HOST_H_