chrome/browser/accessibility_annotator/accessibility_annotator_service_factory.cc

// Copyright 2026 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/accessibility_annotator/accessibility_annotator_service_factory.h"

#include <memory>
#include <utility>

#include "base/feature_list.h"
#include "base/no_destructor.h"
#include "chrome/browser/accessibility_annotator/accessibility_annotator_backend_factory.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_selections.h"
#include "components/accessibility_annotator/core/accessibility_annotator_features.h"
#include "components/accessibility_annotator/core/accessibility_annotator_service.h"
#include "components/accessibility_annotator/core/direct_server_entity_provider.h"
#include "components/accessibility_annotator/core/storage/accessibility_annotator_backend.h"
#include "content/public/browser/browser_context.h"

// static
accessibility_annotator::AccessibilityAnnotatorService*
AccessibilityAnnotatorServiceFactory::GetForProfile(Profile* profile) {
  return static_cast<accessibility_annotator::AccessibilityAnnotatorService*>(
      GetInstance()->GetServiceForBrowserContext(profile, true));
}

// static
AccessibilityAnnotatorServiceFactory*
AccessibilityAnnotatorServiceFactory::GetInstance() {
  static base::NoDestructor<AccessibilityAnnotatorServiceFactory> instance;
  return instance.get();
}

AccessibilityAnnotatorServiceFactory::AccessibilityAnnotatorServiceFactory()
    : ProfileKeyedServiceFactory(
          "AccessibilityAnnotatorService",
          ProfileSelections::BuildRedirectedInIncognito()) {
  DependsOn(AccessibilityAnnotatorBackendFactory::GetInstance());
}

AccessibilityAnnotatorServiceFactory::~AccessibilityAnnotatorServiceFactory() =
    default;

std::unique_ptr<KeyedService>
AccessibilityAnnotatorServiceFactory::BuildServiceInstanceForBrowserContext(
    content::BrowserContext* context) const {
  if (!base::FeatureList::IsEnabled(
          accessibility_annotator::features::kAccessibilityAnnotator)) {
    return nullptr;
  }

  accessibility_annotator::AccessibilityAnnotatorBackend* backend =
      AccessibilityAnnotatorBackendFactory::GetForProfile(
          Profile::FromBrowserContext(context));
  if (!backend) {
    return nullptr;
  }

  std::unique_ptr<accessibility_annotator::EntityDataProvider> provider =
      nullptr;
  if (base::FeatureList::IsEnabled(accessibility_annotator::features::
                                       kAccessibilityAnnotatorGetEntities)) {
    provider =
        std::make_unique<accessibility_annotator::DirectServerEntityProvider>(
            *backend);
  }

  return std::make_unique<
      accessibility_annotator::AccessibilityAnnotatorService>(
      std::move(provider));
}