blob: 6cb59c32424bd5464e1518daf6acccf2021132d9 [file] [log] [blame]
// Copyright (c) 2011 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 CHROME_BROWSER_UPGRADE_DETECTOR_IMPL_H_
#define CHROME_BROWSER_UPGRADE_DETECTOR_IMPL_H_
#pragma once
#include "base/memory/weak_ptr.h"
#include "base/timer.h"
#include "chrome/browser/upgrade_detector.h"
template <typename T> struct DefaultSingletonTraits;
class UpgradeDetectorImpl : public UpgradeDetector {
public:
virtual ~UpgradeDetectorImpl();
// Returns the singleton instance.
static UpgradeDetectorImpl* GetInstance();
private:
friend struct DefaultSingletonTraits<UpgradeDetectorImpl>;
UpgradeDetectorImpl();
// Launches a task on the file thread to check if we have the latest version.
void CheckForUpgrade();
// Sends out a notification and starts a one shot timer to wait until
// notifying the user.
void UpgradeDetected();
// The function that sends out a notification (after a certain time has
// elapsed) that lets the rest of the UI know we should start notifying the
// user that a new version is available.
void NotifyOnUpgrade();
// We periodically check to see if Chrome has been upgraded.
base::RepeatingTimer<UpgradeDetectorImpl> detect_upgrade_timer_;
// After we detect an upgrade we start a recurring timer to see if enough time
// has passed and we should start notifying the user.
base::RepeatingTimer<UpgradeDetectorImpl> upgrade_notification_timer_;
// We use this factory to create callback tasks for UpgradeDetected. We pass
// the task to the actual upgrade detection code, which is in
// DetectUpgradeTask.
base::WeakPtrFactory<UpgradeDetectorImpl> weak_factory_;
// True if this build is a dev or canary channel build.
bool is_unstable_channel_;
DISALLOW_COPY_AND_ASSIGN(UpgradeDetectorImpl);
};
#endif // CHROME_BROWSER_UPGRADE_DETECTOR_IMPL_H_