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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 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 "base/memory/weak_ptr.h"
#include "base/message_loop_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_;
// WeakPtr used to avoid tasks accessing the client after it is deleted.
base::WeakPtrFactory<HostUserInterface> weak_factory_;
base::WeakPtr<HostUserInterface> weak_ptr_;
DISALLOW_COPY_AND_ASSIGN(HostUserInterface);
};
} // namespace remoting
#endif // REMOTING_HOST_HOST_USER_INTERFACE_H_
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