chromium/services/network/public/cpp/client_hints.cc

// 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 "services/network/public/cpp/client_hints.h"

#include <algorithm>
#include <optional>
#include <utility>
#include <vector>

#include "base/metrics/histogram_functions.h"
#include "base/no_destructor.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_split.h"
#include "base/strings/string_tokenizer.h"
#include "base/strings/string_util.h"
#include "base/time/time.h"
#include "net/http/structured_headers.h"
#include "url/gurl.h"
#include "url/origin.h"

namespace network {

const char kPrefersColorSchemeDark[] = …;
const char kPrefersColorSchemeLight[] = …;

const char kPrefersReducedMotionNoPreference[] = …;
const char kPrefersReducedMotionReduce[] = …;

const char kPrefersReducedTransparencyNoPreference[] = …;
const char kPrefersReducedTransparencyReduce[] = …;

const char* const kWebEffectiveConnectionTypeMapping[] = …;

const size_t kWebEffectiveConnectionTypeMappingCount = …;

ClientHintToNameMap MakeClientHintToNameMap() { … }

const ClientHintToNameMap& GetClientHintToNameMap() { … }

namespace {

struct ClientHintNameComparator { … };

DecodeMap;

DecodeMap MakeDecodeMap() { … }

const DecodeMap& GetDecodeMap() { … }

}  // namespace

std::optional<std::vector<network::mojom::WebClientHintsType>>
ParseClientHintsHeader(const std::string& header) { … }

ClientHintToDelegatedThirdPartiesHeader::
    ClientHintToDelegatedThirdPartiesHeader() = default;

ClientHintToDelegatedThirdPartiesHeader::
    ~ClientHintToDelegatedThirdPartiesHeader() = default;

ClientHintToDelegatedThirdPartiesHeader::
    ClientHintToDelegatedThirdPartiesHeader(
        const ClientHintToDelegatedThirdPartiesHeader&) = default;

const ClientHintToDelegatedThirdPartiesHeader
ParseClientHintToDelegatedThirdPartiesHeader(const std::string& header,
                                             MetaCHType type) { … }

// static
void LogClientHintsPersistenceMetrics(
    const base::TimeTicks& persistence_started,
    std::size_t hints_stored) { … }

}  // namespace network