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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.
#include "remoting/host/it2me_host_user_interface.h"
#include "base/bind.h"
#include "remoting/host/chromoting_host.h"
#include "remoting/host/chromoting_host_context.h"
#include "remoting/host/continue_window.h"
#include "remoting/host/disconnect_window.h"
#include "remoting/host/local_input_monitor.h"
namespace {
// Milliseconds before the continue window is shown.
static const int kContinueWindowShowTimeoutMs = 10 * 60 * 1000;
// Milliseconds before the continue window is automatically dismissed and
// the connection is closed.
static const int kContinueWindowHideTimeoutMs = 60 * 1000;
} // namespace
namespace remoting {
It2MeHostUserInterface::It2MeHostUserInterface(ChromotingHostContext* context)
: HostUserInterface(context),
ALLOW_THIS_IN_INITIALIZER_LIST(timer_weak_factory_(this)) {
}
It2MeHostUserInterface::~It2MeHostUserInterface() {
DCHECK(ui_message_loop()->BelongsToCurrentThread());
ShowContinueWindow(false);
}
void It2MeHostUserInterface::Start(ChromotingHost* host,
const base::Closure& disconnect_callback) {
DCHECK(network_message_loop()->BelongsToCurrentThread());
HostUserInterface::Start(host, disconnect_callback);
continue_window_ = ContinueWindow::Create();
}
void It2MeHostUserInterface::OnClientAuthenticated(const std::string& jid) {
if (!get_authenticated_jid().empty()) {
// If we already authenticated another client then one of the
// connections may be an attacker, so both are suspect and we have
// to reject the second connection and shutdown the host.
get_host()->RejectAuthenticatingClient();
network_message_loop()->PostTask(FROM_HERE, base::Bind(
&ChromotingHost::Shutdown, get_host(), base::Closure()));
} else {
HostUserInterface::OnClientAuthenticated(jid);
}
}
void It2MeHostUserInterface::ProcessOnClientAuthenticated(
const std::string& username) {
DCHECK(ui_message_loop()->BelongsToCurrentThread());
HostUserInterface::ProcessOnClientAuthenticated(username);
StartContinueWindowTimer(true);
}
void It2MeHostUserInterface::ProcessOnClientDisconnected() {
DCHECK(ui_message_loop()->BelongsToCurrentThread());
HostUserInterface::ProcessOnClientDisconnected();
ShowContinueWindow(false);
StartContinueWindowTimer(false);
}
void It2MeHostUserInterface::StartForTest(
ChromotingHost* host,
const base::Closure& disconnect_callback,
scoped_ptr<DisconnectWindow> disconnect_window,
scoped_ptr<ContinueWindow> continue_window,
scoped_ptr<LocalInputMonitor> local_input_monitor) {
HostUserInterface::StartForTest(host, disconnect_callback,
disconnect_window.Pass(),
local_input_monitor.Pass());
continue_window_ = continue_window.Pass();
}
void It2MeHostUserInterface::ContinueSession(bool continue_session) {
DCHECK(ui_message_loop()->BelongsToCurrentThread());
if (continue_session) {
get_host()->PauseSession(false);
StartContinueWindowTimer(true);
} else {
DisconnectSession();
}
}
void It2MeHostUserInterface::OnContinueWindowTimer() {
DCHECK(ui_message_loop()->BelongsToCurrentThread());
get_host()->PauseSession(true);
ShowContinueWindow(true);
// Cancel any pending timer and post one to hide the continue window.
timer_weak_factory_.InvalidateWeakPtrs();
ui_message_loop()->PostDelayedTask(
FROM_HERE,
base::Bind(&It2MeHostUserInterface::OnShutdownHostTimer,
timer_weak_factory_.GetWeakPtr()),
base::TimeDelta::FromMilliseconds(kContinueWindowHideTimeoutMs));
}
void It2MeHostUserInterface::OnShutdownHostTimer() {
DCHECK(ui_message_loop()->BelongsToCurrentThread());
ShowContinueWindow(false);
DisconnectSession();
}
void It2MeHostUserInterface::ShowContinueWindow(bool show) {
DCHECK(ui_message_loop()->BelongsToCurrentThread());
if (show) {
continue_window_->Show(get_host(), base::Bind(
&It2MeHostUserInterface::ContinueSession, base::Unretained(this)));
} else {
continue_window_->Hide();
}
}
void It2MeHostUserInterface::StartContinueWindowTimer(bool start) {
DCHECK(ui_message_loop()->BelongsToCurrentThread());
// Abandon previous timer events by invalidating their weak pointer to us.
timer_weak_factory_.InvalidateWeakPtrs();
if (start) {
ui_message_loop()->PostDelayedTask(
FROM_HERE,
base::Bind(&It2MeHostUserInterface::OnContinueWindowTimer,
timer_weak_factory_.GetWeakPtr()),
base::TimeDelta::FromMilliseconds(kContinueWindowShowTimeoutMs));
}
}
} // namespace remoting
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