chromium/third_party/blink/renderer/core/frame/font_matching_metrics.cc

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/renderer/core/frame/font_matching_metrics.h"

#include "base/metrics/histogram_macros.h"
#include "base/task/single_thread_task_runner.h"
#include "services/metrics/public/cpp/ukm_recorder.h"
#include "third_party/blink/public/common/privacy_budget/identifiability_metric_builder.h"
#include "third_party/blink/public/common/privacy_budget/identifiability_study_settings.h"
#include "third_party/blink/public/common/privacy_budget/identifiable_surface.h"
#include "third_party/blink/public/common/privacy_budget/identifiable_token.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/core/frame/dactyloscoper.h"
#include "third_party/blink/renderer/platform/fonts/font_global_context.h"
#include "third_party/blink/renderer/platform/privacy_budget/identifiability_digest_helpers.h"
#include "third_party/blink/renderer/platform/wtf/casting.h"

namespace {

template <typename T>
HashSet<T> SetIntersection(const HashSet<T>& a, const HashSet<T>& b) { … }

}  // namespace

namespace blink {

namespace {

bool IdentifiabilityStudyShouldSampleFonts() { … }

}  // namespace

FontMatchingMetrics::FontMatchingMetrics(
    ExecutionContext* execution_context,
    scoped_refptr<base::SingleThreadTaskRunner> task_runner)
    : … { … }

void FontMatchingMetrics::ReportSuccessfulFontFamilyMatch(
    const AtomicString& font_family_name) { … }

void FontMatchingMetrics::ReportFailedFontFamilyMatch(
    const AtomicString& font_family_name) { … }

void FontMatchingMetrics::ReportSuccessfulLocalFontMatch(
    const AtomicString& font_name) { … }

void FontMatchingMetrics::ReportFailedLocalFontMatch(
    const AtomicString& font_name) { … }

void FontMatchingMetrics::ReportLocalFontExistenceByUniqueOrFamilyName(
    const AtomicString& font_name,
    bool font_exists) { … }

void FontMatchingMetrics::ReportLocalFontExistenceByUniqueNameOnly(
    const AtomicString& font_name,
    bool font_exists) { … }

void FontMatchingMetrics::InsertFontHashIntoMap(IdentifiableTokenKey input_key,
                                                const SimpleFontData* font_data,
                                                TokenToTokenHashMap& hash_map) { … }

IdentifiableTokenBuilder
FontMatchingMetrics::GetTokenBuilderWithFontSelectionRequest(
    const FontDescription& font_description) { … }

void FontMatchingMetrics::ReportFontLookupByUniqueOrFamilyName(
    const AtomicString& name,
    const FontDescription& font_description,
    const SimpleFontData* resulting_font_data) { … }

void FontMatchingMetrics::ReportFontLookupByUniqueNameOnly(
    const AtomicString& name,
    const FontDescription& font_description,
    const SimpleFontData* resulting_font_data,
    bool is_loading_fallback) { … }

void FontMatchingMetrics::ReportFontLookupByFallbackCharacter(
    UChar32 fallback_character,
    FontFallbackPriority fallback_priority,
    const FontDescription& font_description,
    const SimpleFontData* resulting_font_data) { … }

void FontMatchingMetrics::ReportLastResortFallbackFontLookup(
    const FontDescription& font_description,
    const SimpleFontData* resulting_font_data) { … }

void FontMatchingMetrics::ReportFontFamilyLookupByGenericFamily(
    const AtomicString& generic_font_family_name,
    UScriptCode script,
    FontDescription::GenericFamilyType generic_family_type,
    const AtomicString& resulting_font_name) { … }

void FontMatchingMetrics::ReportEmojiSegmentGlyphCoverage(
    unsigned num_clusters,
    unsigned num_broken_clusters) { … }

void FontMatchingMetrics::PublishIdentifiabilityMetrics() { … }

void FontMatchingMetrics::PublishEmojiGlyphMetrics() { … }

void FontMatchingMetrics::OnFontLookup() { … }

void FontMatchingMetrics::IdentifiabilityMetricsTimerFired(TimerBase*) { … }

void FontMatchingMetrics::PublishAllMetrics() { … }

int64_t FontMatchingMetrics::GetHashForFontData(
    const SimpleFontData* font_data) { … }

IdentifiableToken FontMatchingMetrics::GetPostScriptNameTokenForFontData(
    const SimpleFontData* font_data) { … }

}  // namespace blink