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// 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 "chrome/browser/ui/views/relaunch_notification/relaunch_required_timer_internal.h"
#include <cmath>
namespace relaunch_notification {
base::TimeDelta ComputeDeadlineDelta(base::TimeDelta deadline_offset) {
// Round deadline_offset to the nearest second for the computations below.
deadline_offset = base::Seconds(std::round(deadline_offset.InSecondsF()));
// At/above 47.5 hours, round up to showing N days (min 2).
// TODO(grt): Explore ways to make this more obvious by way of new methods in
// base::TimeDelta (e.g., float variants of FromXXX and rounding variants of
// InXXX).
static constexpr base::TimeDelta kMinDaysDelta = base::Minutes(47 * 60 + 30);
// At/above 59.5 minutes, round up to showing N hours (min 1).
static constexpr base::TimeDelta kMinHoursDelta = base::Seconds(59 * 60 + 30);
// At/above 59.5 seconds, round up to showing N minutes (min 1).
static constexpr base::TimeDelta kMinMinutesDelta =
base::Milliseconds(59 * 1000 + 500);
// Round based on the time scale.
if (deadline_offset >= kMinDaysDelta) {
return base::Days((deadline_offset + base::Hours(12)).InDays());
}
if (deadline_offset >= kMinHoursDelta) {
return base::Hours((deadline_offset + base::Minutes(30)).InHours());
}
if (deadline_offset >= kMinMinutesDelta) {
return base::Minutes((deadline_offset + base::Seconds(30)).InMinutes());
}
return base::Seconds((deadline_offset + base::Milliseconds(500)).InSeconds());
}
base::TimeDelta ComputeNextRefreshDelta(base::TimeDelta deadline_offset) {
// What would be in the title now?
const base::TimeDelta rounded_offset = ComputeDeadlineDelta(deadline_offset);
// Compute the refresh moment to bring |rounded_offset| down to the next value
// to be displayed. This is the moment that the title must switch from N to
// N-1 of the same units (e.g., # of days) or from one form of units to the
// next granular form of units (e.g., 2 days to 47 hours).
// TODO(grt): Find a way to reduce duplication with the constants in
// ComputeDeadlineDelta once https://crbug.com/761570 is resolved.
static constexpr base::TimeDelta kMinDays = base::Days(2);
static constexpr base::TimeDelta kMinHours = base::Hours(1);
static constexpr base::TimeDelta kMinMinutes = base::Minutes(1);
static constexpr base::TimeDelta kMinSeconds = base::Seconds(1);
base::TimeDelta delta;
if (rounded_offset > kMinDays) {
delta = base::Days(rounded_offset.InDays() - 1);
} else if (rounded_offset > kMinHours) {
delta = base::Hours(rounded_offset.InHours() - 1);
} else if (rounded_offset > kMinMinutes) {
delta = base::Minutes(rounded_offset.InMinutes() - 1);
} else if (rounded_offset > kMinSeconds) {
delta = base::Seconds(rounded_offset.InSeconds() - 1);
}
return deadline_offset - delta;
}
} // namespace relaunch_notification
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