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ash / public / cpp / power_utils.cc [blame]
// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/public/cpp/power_utils.h"
#include "base/numerics/safe_conversions.h"
#include "base/time/time.h"
#include "chromeos/dbus/power_manager/power_supply_properties.pb.h"
namespace ash {
namespace power_utils {
bool ShouldDisplayBatteryTime(const base::TimeDelta& time) {
// Put limits on the maximum and minimum battery time-to-full or time-to-empty
// that should be displayed in the UI. If the current is close to zero,
// battery time estimates can get very large; avoid displaying these large
// numbers.
return time >= base::Minutes(1) && time <= base::Days(1);
}
int GetRoundedBatteryPercent(double battery_percent) {
// Minimum battery percentage rendered in UI.
constexpr int kMinBatteryPercent = 1;
return std::max(kMinBatteryPercent, base::ClampRound(battery_percent));
}
void SplitTimeIntoHoursAndMinutes(const base::TimeDelta& time,
int* hours,
int* minutes) {
DCHECK(hours);
DCHECK(minutes);
*minutes = base::ClampRound(time / base::Minutes(1));
*hours = *minutes / 60;
*minutes %= 60;
}
} // namespace power_utils
} // namespace ash