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// 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 "components/viz/service/surfaces/surface_dependency_deadline.h"
#include "base/strings/string_number_conversions.h"
#include "base/time/tick_clock.h"
#include "components/viz/common/quads/frame_deadline.h"
namespace viz {
SurfaceDependencyDeadline::SurfaceDependencyDeadline(
const base::TickClock* tick_clock)
: tick_clock_(tick_clock) {
DCHECK(tick_clock_);
}
SurfaceDependencyDeadline::~SurfaceDependencyDeadline() {
// The deadline must be canceled before destruction.
DCHECK(!deadline_);
}
void SurfaceDependencyDeadline::Set(const FrameDeadline& frame_deadline) {
Cancel();
start_time_ = frame_deadline.frame_start_time();
deadline_ = frame_deadline.ToWallTime();
}
bool SurfaceDependencyDeadline::HasDeadlinePassed() const {
return tick_clock_->NowTicks() >= deadline_;
}
std::optional<base::TimeDelta> SurfaceDependencyDeadline::Cancel() {
if (!deadline_)
return std::nullopt;
deadline_.reset();
return tick_clock_->NowTicks() - start_time_;
}
bool SurfaceDependencyDeadline::operator==(
const SurfaceDependencyDeadline& other) const {
return deadline_ == other.deadline_;
}
} // namespace viz
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