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ef868edd36
This removes most of the remaining FLUTTER_NOLINT comments and opts these files back into linter enforcement. I've filed https://github.com/flutter/flutter/issues/68273 to require that all FLUTTER_NOLINT comments be followed by a GitHub issue URL describing the problem to be fixed.
40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "flutter/shell/common/vsync_waiter_fallback.h"
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#include "flutter/fml/logging.h"
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namespace flutter {
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namespace {
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static fml::TimePoint SnapToNextTick(fml::TimePoint value,
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fml::TimePoint tick_phase,
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fml::TimeDelta tick_interval) {
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fml::TimeDelta offset = (tick_phase - value) % tick_interval;
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if (offset != fml::TimeDelta::Zero())
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offset = offset + tick_interval;
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return value + offset;
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}
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} // namespace
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VsyncWaiterFallback::VsyncWaiterFallback(TaskRunners task_runners)
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: VsyncWaiter(std::move(task_runners)), phase_(fml::TimePoint::Now()) {}
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VsyncWaiterFallback::~VsyncWaiterFallback() = default;
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// |VsyncWaiter|
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void VsyncWaiterFallback::AwaitVSync() {
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constexpr fml::TimeDelta kSingleFrameInterval =
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fml::TimeDelta::FromSecondsF(1.0 / 60.0);
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auto next =
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SnapToNextTick(fml::TimePoint::Now(), phase_, kSingleFrameInterval);
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FireCallback(next, next + kSingleFrameInterval);
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}
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} // namespace flutter
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