chromium/ui/base/x/x11_xrandr_interval_only_vsync_provider.cc

// Copyright 2021 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/x/x11_xrandr_interval_only_vsync_provider.h"

#include "base/functional/bind.h"
#include "base/no_destructor.h"
#include "base/task/single_thread_task_runner.h"
#include "ui/base/x/x11_display_util.h"
#include "ui/gfx/x/connection.h"
#include "ui/gfx/x/event.h"
#include "ui/gfx/x/future.h"
#include "ui/gfx/x/randr.h"

namespace ui {
namespace {

bool IsXrandrAvailable() { … }

class XRandrHelper : public x11::EventObserver { … };

}  // namespace

XrandrIntervalOnlyVSyncProvider::XrandrIntervalOnlyVSyncProvider() = default;
XrandrIntervalOnlyVSyncProvider::~XrandrIntervalOnlyVSyncProvider() = default;

void XrandrIntervalOnlyVSyncProvider::GetVSyncParameters(
    UpdateVSyncCallback callback) { … }

bool XrandrIntervalOnlyVSyncProvider::GetVSyncParametersIfAvailable(
    base::TimeTicks* timebase,
    base::TimeDelta* interval) { … }

bool XrandrIntervalOnlyVSyncProvider::SupportGetVSyncParametersIfAvailable()
    const { … }

bool XrandrIntervalOnlyVSyncProvider::IsHWClock() const { … }

}  // namespace ui