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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 "chrome/browser/chromeos/idle_detector.h"
#include "ash/shell.h"
#include "ash/wm/user_activity_detector.h"
#include "base/bind.h"
#include "base/logging.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
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