| // 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 "chrome/browser/chromeos/idle_detector.h" |
| |
| #include "ash/shell.h" |
| #include "base/bind.h" |
| #include "base/logging.h" |
| #include "ui/wm/core/user_activity_detector.h" |
| |
| namespace chromeos { |
| |
| IdleDetector::IdleDetector(const base::Closure& on_active_callback, |
| const base::Closure& on_idle_callback) |
| : active_callback_(on_active_callback), idle_callback_(on_idle_callback) {} |
| |
| IdleDetector::~IdleDetector() { |
| if (ash::Shell::HasInstance() && |
| ash::Shell::GetInstance()->user_activity_detector()->HasObserver(this)) |
| ash::Shell::GetInstance()->user_activity_detector()->RemoveObserver(this); |
| } |
| |
| void IdleDetector::OnUserActivity(const ui::Event* event) { |
| if (!active_callback_.is_null()) |
| active_callback_.Run(); |
| ResetTimer(); |
| } |
| |
| void IdleDetector::Start(const base::TimeDelta& timeout) { |
| timeout_ = timeout; |
| if (!ash::Shell::GetInstance()->user_activity_detector()->HasObserver(this)) |
| ash::Shell::GetInstance()->user_activity_detector()->AddObserver(this); |
| ResetTimer(); |
| } |
| |
| void IdleDetector::ResetTimer() { |
| if (timer_.IsRunning()) |
| timer_.Reset(); |
| else |
| timer_.Start(FROM_HERE, timeout_, idle_callback_); |
| } |
| |
| } // namespace chromeos |