File: autofill_private_event_router.h

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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_EXTENSIONS_API_AUTOFILL_PRIVATE_AUTOFILL_PRIVATE_EVENT_ROUTER_H_
#define CHROME_BROWSER_EXTENSIONS_API_AUTOFILL_PRIVATE_AUTOFILL_PRIVATE_EVENT_ROUTER_H_

#include "base/memory/raw_ptr.h"
#include "base/scoped_observation.h"
#include "components/autofill/core/browser/data_manager/autofill_ai/entity_data_manager.h"
#include "components/autofill/core/browser/data_manager/personal_data_manager.h"
#include "components/autofill/core/browser/data_manager/personal_data_manager_observer.h"
#include "components/keyed_service/core/keyed_service.h"
#include "components/sync/service/sync_service.h"
#include "components/sync/service/sync_service_observer.h"
#include "extensions/browser/event_router.h"

namespace content {
class BrowserContext;
}

namespace extensions {

// An event router that observes changes to autofill addresses and credit cards
// and notifies listeners to the autofill API events.
class AutofillPrivateEventRouter : public KeyedService,
                                   public EventRouter::Observer,
                                   public autofill::PersonalDataManagerObserver,
                                   public autofill::EntityDataManager::Observer,
                                   public syncer::SyncServiceObserver {
 public:
  // Uses AutofillPrivateEventRouterFactory instead.
  explicit AutofillPrivateEventRouter(content::BrowserContext* context);
  AutofillPrivateEventRouter(const AutofillPrivateEventRouter&) = delete;
  AutofillPrivateEventRouter& operator=(const AutofillPrivateEventRouter&) =
      delete;
  ~AutofillPrivateEventRouter() override;

  // Rebind and Unbind test PDM when using `TestContentAutofillClient`.
  void RebindPersonalDataManagerForTesting(
      autofill::PersonalDataManager* personal_data);
  void UnbindPersonalDataManagerForTesting();

 protected:
  // KeyedService overrides:
  void Shutdown() override;

  // PersonalDataManagerObserver implementation.
  void OnPersonalDataChanged() override;

  // autofill::EntityDataManager::Observer implementation.
  void OnEntityInstancesChanged() override;

  // SyncServiceObserver implementation.
  void OnStateChanged(syncer::SyncService*) override;

 private:
  // Triggers an event on the router with current user's data.
  void BroadcastCurrentData();

  raw_ptr<content::BrowserContext> context_;

  raw_ptr<EventRouter> event_router_ = nullptr;

  raw_ptr<autofill::PersonalDataManager> personal_data_ = nullptr;

  base::ScopedObservation<autofill::PersonalDataManager,
                          autofill::PersonalDataManagerObserver>
      pdm_observer_{this};

  base::ScopedObservation<autofill::EntityDataManager,
                          autofill::EntityDataManager::Observer>
      entity_data_manager_observer_{this};

  base::ScopedObservation<syncer::SyncService, syncer::SyncServiceObserver>
      sync_observer_{this};
};

}  // namespace extensions

#endif  // CHROME_BROWSER_EXTENSIONS_API_AUTOFILL_PRIVATE_AUTOFILL_PRIVATE_EVENT_ROUTER_H_