content/public/browser/sms_fetcher.h

// Copyright 2019 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 CONTENT_PUBLIC_BROWSER_SMS_FETCHER_H_
#define CONTENT_PUBLIC_BROWSER_SMS_FETCHER_H_

#include "base/observer_list_types.h"
#include "content/common/content_export.h"

namespace url {
class Origin;
}

namespace content {

class BrowserContext;

// SmsFetcher coordinates between the provisioning of SMSes coming from the
// local device or remote devices to multiple origins.
// There is one SmsFetcher per profile.
class SmsFetcher {
 public:
  CONTENT_EXPORT static SmsFetcher* Get(BrowserContext* context);

  class Subscriber : public base::CheckedObserver {
   public:
    // Receive an |sms| and a |one_time_code| from subscribed origin. The
    // |one_time_code| is parsed from |sms| as an alphanumeric value which the
    // origin uses to verify the ownership of the phone number.
    virtual void OnReceive(const std::string& one_time_code,
                           const std::string& sms) = 0;
  };

  virtual void Subscribe(const url::Origin& origin, Subscriber* subscriber) = 0;
  virtual void Unsubscribe(const url::Origin& origin,
                           Subscriber* subscriber) = 0;
  virtual bool HasSubscribers() = 0;
};

}  // namespace content

#endif  // CONTENT_PUBLIC_BROWSER_SMS_FETCHER_H_