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// 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 "chrome/browser/chrome_browser_main_extra_parts_linux.h"
#include <optional>
#include "base/command_line.h"
#include "base/environment.h"
#include "base/metrics/histogram_functions.h"
#include "build/build_config.h"
#include "ui/linux/display_server_utils.h"
namespace {
// Do not change the values of these entries since they're recorded in UMA.
enum class DisplayServerSupport {
// Chrome will fail to launch without a display server.
kNone = 0,
kX11 = 1,
// The primary display server is Wayland, but X11 is provided via XWayland.
kXWayland = 2,
kWaylandOnly = 3,
kMaxValue = kWaylandOnly,
};
DisplayServerSupport GetDisplayServerSupport(bool x11, bool wayland) {
if (x11 && wayland) {
return DisplayServerSupport::kXWayland;
}
if (x11) {
return DisplayServerSupport::kX11;
}
if (wayland) {
return DisplayServerSupport::kWaylandOnly;
}
return DisplayServerSupport::kNone;
}
void RecordDisplayServerProtocolSupport() {
auto env = base::Environment::Create();
base::UmaHistogramEnumeration(
"Linux.DisplayServerSupport",
GetDisplayServerSupport(ui::HasX11Display(*env),
ui::HasWaylandDisplay(*env)));
}
} // namespace
ChromeBrowserMainExtraPartsLinux::ChromeBrowserMainExtraPartsLinux() = default;
ChromeBrowserMainExtraPartsLinux::~ChromeBrowserMainExtraPartsLinux() = default;
void ChromeBrowserMainExtraPartsLinux::PostBrowserStart() {
RecordDisplayServerProtocolSupport();
ChromeBrowserMainExtraPartsOzone::PostBrowserStart();
}
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