components/password_manager/core/browser/password_reuse_detector_consumer.h

// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_PASSWORD_REUSE_DETECTOR_CONSUMER_H_
#define COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_PASSWORD_REUSE_DETECTOR_CONSUMER_H_

#include <string>
#include <vector>

#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "base/optional.h"
#include "base/strings/string16.h"
#include "components/password_manager/core/browser/hash_password_manager.h"

namespace password_manager {

// Callback interface for receiving a password reuse event.
class PasswordReuseDetectorConsumer
    : public base::SupportsWeakPtr<PasswordReuseDetectorConsumer> {
 public:
  PasswordReuseDetectorConsumer();
  virtual ~PasswordReuseDetectorConsumer();

  // Called when a password reuse is found.
  // |password_length| is the length of the re-used password, or the max length
  // if multiple passwords were matched. |reused_protected_password_hash| is the
  // Gaia or enterprise password that matches the reuse. |matching_domains| is
  // the list of domains for which |password| is saved (may be empty if
  // |reused_protected_password_hash| is not null),  |saved_passwords|
  // is the total number of passwords (with unique domains) stored in Password
  // Manager.
  virtual void OnReuseFound(
      size_t password_length,
      base::Optional<PasswordHashData> reused_protected_password_hash,
      const std::vector<std::string>& matching_domains,
      int saved_passwords) = 0;
};

}  // namespace password_manager
#endif  // COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_PASSWORD_REUSE_DETECTOR_CONSUMER_H_