chrome/browser/ui/webui/history_login_handler.h

// Copyright 2015 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 CHROME_BROWSER_UI_WEBUI_HISTORY_LOGIN_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_HISTORY_LOGIN_HANDLER_H_

#include <memory>

#include "base/callback_forward.h"
#include "base/macros.h"
#include "content/public/browser/web_ui_message_handler.h"

class ProfileInfoWatcher;

// The handler for login-related messages from chrome://history.
class HistoryLoginHandler : public content::WebUIMessageHandler {
 public:
  explicit HistoryLoginHandler(const base::Closure& signin_callback);
  ~HistoryLoginHandler() override;

  // WebUIMessageHandler implementation.
  void RegisterMessages() override;

 private:
  // Handler for the "otherDevicesInitialized" message. No args.
  void HandleOtherDevicesInitialized(const base::ListValue* args);

  // Handler for the "startSignInFlow" message. No args.
  void HandleStartSignInFlow(const base::ListValue* args);

  // Called by |profile_info_watcher_| on desktop if profile info changes.
  void ProfileInfoChanged();

  // Watches this web UI's profile for info changes (e.g. authenticated username
  // changes).
  std::unique_ptr<ProfileInfoWatcher> profile_info_watcher_;

  base::Closure signin_callback_;

  DISALLOW_COPY_AND_ASSIGN(HistoryLoginHandler);
};

#endif  // CHROME_BROWSER_UI_WEBUI_HISTORY_LOGIN_HANDLER_H_