chromium/ui/base/scoped_visibility_tracker.cc

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/base/scoped_visibility_tracker.h"

#include <utility>

#include "base/time/tick_clock.h"

namespace ui {

ScopedVisibilityTracker::ScopedVisibilityTracker(
    const base::TickClock* tick_clock,
    bool is_shown)
    : … { … }

ScopedVisibilityTracker::~ScopedVisibilityTracker() { … }

void ScopedVisibilityTracker::OnShown() { … }

void ScopedVisibilityTracker::OnHidden() { … }

base::TimeDelta ScopedVisibilityTracker::GetForegroundDuration() const { … }

void ScopedVisibilityTracker::Update(bool in_foreground) { … }

}  // namespace ui