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// Copyright 2014 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 "ash/system/chromeos/session/logout_confirmation_controller.h"
#include "ash/session/session_state_delegate.h"
#include "ash/shell.h"
#include "ash/system/chromeos/session/logout_confirmation_dialog.h"
#include "base/location.h"
#include "base/time/default_tick_clock.h"
#include "base/time/tick_clock.h"
#include "ui/views/widget/widget.h"
namespace ash {
LogoutConfirmationController::LogoutConfirmationController(
const base::Closure& logout_closure)
: clock_(new base::DefaultTickClock),
logout_closure_(logout_closure),
dialog_(NULL),
logout_timer_(false, false) {
if (Shell::HasInstance())
Shell::GetInstance()->AddShellObserver(this);
}
LogoutConfirmationController::~LogoutConfirmationController() {
if (Shell::HasInstance())
Shell::GetInstance()->RemoveShellObserver(this);
if (dialog_)
dialog_->GetWidget()->Close();
}
void LogoutConfirmationController::ConfirmLogout(
base::TimeTicks logout_time) {
if (!logout_time_.is_null() && logout_time >= logout_time_) {
// If a confirmation dialog is already being shown and its countdown expires
// no later than the |logout_time| requested now, keep the current dialog
// open.
return;
}
logout_time_ = logout_time;
if (!dialog_) {
// Show confirmation dialog unless this is a unit test without a Shell.
if (Shell::HasInstance())
dialog_ = new LogoutConfirmationDialog(this, logout_time_);
} else {
dialog_->Update(logout_time_);
}
logout_timer_.Start(FROM_HERE,
logout_time_ - clock_->NowTicks(),
logout_closure_);
}
void LogoutConfirmationController::SetClockForTesting(
scoped_ptr<base::TickClock> clock) {
clock_ = clock.Pass();
}
void LogoutConfirmationController::OnLockStateChanged(bool locked) {
if (!locked || logout_time_.is_null())
return;
// If the screen is locked while a confirmation dialog is being shown, close
// the dialog.
logout_time_ = base::TimeTicks();
if (dialog_)
dialog_->GetWidget()->Close();
logout_timer_.Stop();
}
void LogoutConfirmationController::OnLogoutConfirmed() {
logout_timer_.Stop();
logout_closure_.Run();
}
void LogoutConfirmationController::OnDialogClosed() {
logout_time_ = base::TimeTicks();
dialog_ = NULL;
logout_timer_.Stop();
}
} // namespace ash
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