Chromoting: the Me2me host now presents a notification on the console allowing a user to disconnect…

remoting/host/host_user_interface.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_HOST_USER_INTERFACE_H_
+#define REMOTING_HOST_HOST_USER_INTERFACE_H_
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/callback.h"
+#include "base/compiler_specific.h"
+#include "base/memory/scoped_ptr.h"
+
+#include "remoting/base/scoped_thread_proxy.h"
+#include "remoting/host/host_status_observer.h"
+
+namespace remoting {
+
+class ChromotingHost;
+class ChromotingHostContext;
+class DisconnectWindow;
+class LocalInputMonitor;
+class SignalStrategy;
+
+class HostUserInterface : public HostStatusObserver {
+ public:
+  HostUserInterface(ChromotingHostContext* context);
+  virtual ~HostUserInterface();
+
+  virtual void Start(ChromotingHost* host,
+                     const base::Closure& disconnect_callback);
+
+  // HostStatusObserver implementation.  These methods will be called from the
+  // network thread.
+  virtual void OnClientAuthenticated(const std::string& jid) OVERRIDE;
+  virtual void OnClientDisconnected(const std::string& jid) OVERRIDE;
+  virtual void OnAccessDenied(const std::string& jid) OVERRIDE;
+  virtual void OnShutdown() OVERRIDE;
+
+ protected:
+  const std::string& get_authenticated_jid() const {
+    return authenticated_jid_;
+  }
+  ChromotingHost* get_host() const { return host_; }
+
+  // Message loop accessors.
+  base::MessageLoopProxy* network_message_loop() const;
+  base::MessageLoopProxy* ui_message_loop() const;
+
+  // Invokes the session disconnect callback passed to Start().
+  void DisconnectSession() const;
+
+  virtual void ProcessOnClientAuthenticated(const std::string& username);
+  virtual void ProcessOnClientDisconnected();
+
+  // Used by unit-tests as an alternative to Start() so that mock versions of
+  // internal objects can be used.
+  void StartForTest(
+      ChromotingHost* host,
+      const base::Closure& disconnect_callback,
+      scoped_ptr<DisconnectWindow> disconnect_window,
+      scoped_ptr<LocalInputMonitor> local_input_monitor);
+
+ private:
+  // Invoked from the UI thread when the user clicks on the Disconnect button
+  // to disconnect the session.
+  void OnDisconnectCallback();
+
+  void MonitorLocalInputs(bool enable);
+
+  // Show or hide the Disconnect window on the UI thread.  If |show| is false,
+  // hide the window, ignoring the |username| parameter.
+  void ShowDisconnectWindow(bool show, const std::string& username);
+
+  // The JID of the currently-authenticated user (or an empty string if no user
+  // is connected).
+  std::string authenticated_jid_;
+
+  ChromotingHost* host_;
+
+  // Host context used to make sure operations are run on the correct thread.
+  // This is owned by the ChromotingHost.
+  ChromotingHostContext* context_;
+
+  // Used to ask the host to disconnect the session.
+  base::Closure disconnect_callback_;
+
+  // Provide a user interface allowing the host user to close the connection.
+  scoped_ptr<DisconnectWindow> disconnect_window_;
+
+  // Monitor local inputs to allow remote inputs to be blocked while the local
+  // user is trying to do something.
+  scoped_ptr<LocalInputMonitor> local_input_monitor_;
+
+  bool is_monitoring_local_inputs_;
+
+  ScopedThreadProxy ui_thread_proxy_;
+
+  DISALLOW_COPY_AND_ASSIGN(HostUserInterface);
+};
+
+}  // namespace remoting
+
+#endif  // REMOTING_HOST_HOST_USER_INTERFACE_H_