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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_USER_EDUCATION_RECENT_SESSION_OBSERVER_H_
#define CHROME_BROWSER_USER_EDUCATION_RECENT_SESSION_OBSERVER_H_
#include "base/callback_list.h"
#include "base/functional/callback_forward.h"
#include "base/gtest_prod_util.h"
#include "chrome/browser/user_education/recent_session_tracker.h"
class RecentSessionObserver {
public:
RecentSessionObserver();
RecentSessionObserver(const RecentSessionObserver&) = delete;
void operator=(const RecentSessionObserver&) = delete;
virtual ~RecentSessionObserver();
// Initialization once the tracker is available.
virtual void Init(RecentSessionTracker& tracker) = 0;
// Adds a callback that will be called when a new session starts for a
// low-usage profile.
base::CallbackListSubscription AddLowUsageSessionCallback(
base::RepeatingClosure callback);
protected:
void NotifyLowUsageSession();
private:
FRIEND_TEST_ALL_PREFIXES(LowUsageHelpControllerBrowsertest,
PromoOnNewSession);
// Since sometimes a new session will happen right at startup, before other
// services can try to listen, cache whether there has been a new low-usage
// session since startup so that notifications can be sent immediately on
// observation.
bool session_since_startup_ = false;
// The list of callbacks for when a low-usage session starts.
base::RepeatingClosureList callbacks_;
};
#endif // CHROME_BROWSER_USER_EDUCATION_RECENT_SESSION_OBSERVER_H_
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