chrome/browser/password_manager/save_password_infobar_delegate.h

// Copyright 2014 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_PASSWORD_MANAGER_SAVE_PASSWORD_INFOBAR_DELEGATE_H_
#define CHROME_BROWSER_PASSWORD_MANAGER_SAVE_PASSWORD_INFOBAR_DELEGATE_H_

#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "base/timer/elapsed_timer.h"
#include "components/infobars/core/confirm_infobar_delegate.h"
#include "components/infobars/core/infobar_delegate.h"
#include "components/password_manager/core/browser/password_form_manager.h"
#include "components/password_manager/core/browser/password_manager_metrics_util.h"

namespace content {
class WebContents;
}

// After a successful *new* login attempt, we take the PasswordFormManager in
// provisional_save_manager_ and move it to a SavePasswordInfoBarDelegate while
// the user makes up their mind with the "save password" infobar. Note if the
// login is one we already know about, the end of the line is
// provisional_save_manager_ because we just update it on success and so such
// forms never end up in an infobar.
class SavePasswordInfoBarDelegate : public ConfirmInfoBarDelegate {
 public:
  // If we won't be showing the one-click signin infobar, creates a save
  // password infobar and delegate and adds the infobar to the InfoBarService
  // for |web_contents|.  |uma_histogram_suffix| is empty, or one of the
  // "group_X" suffixes used in the histogram names for infobar usage reporting;
  // if empty, the usage is not reported, otherwise the suffix is used to choose
  // the right histogram.
  static void Create(content::WebContents* web_contents,
                     password_manager::PasswordFormManager* form_to_save,
                     const std::string& uma_histogram_suffix);

  virtual ~SavePasswordInfoBarDelegate();

  // Specifies whether additional authentication (as defined by the OS) should
  // be required before autofilling this password.
  void SetUseAdditionalPasswordAuthentication(
      bool use_additional_authentication);

 private:
  SavePasswordInfoBarDelegate(
      password_manager::PasswordFormManager* form_to_save,
      const std::string& uma_histogram_suffix);

  // Returns a save password infobar that owns |delegate|.
  static scoped_ptr<infobars::InfoBar> CreateInfoBar(
      scoped_ptr<SavePasswordInfoBarDelegate> delegate);

  // InfoBarDelegate
  virtual bool ShouldExpire(const NavigationDetails& details) const OVERRIDE;

  // ConfirmInfoBarDelegate
  virtual int GetIconID() const OVERRIDE;
  virtual Type GetInfoBarType() const OVERRIDE;
  virtual base::string16 GetMessageText() const OVERRIDE;
  virtual base::string16 GetButtonLabel(InfoBarButton button) const OVERRIDE;
  virtual bool Accept() OVERRIDE;
  virtual bool Cancel() OVERRIDE;
  virtual void InfoBarDismissed() OVERRIDE;

  virtual InfoBarAutomationType GetInfoBarAutomationType() const OVERRIDE;

  // The PasswordFormManager managing the form we're asking the user about,
  // and should update as per her decision.
  scoped_ptr<password_manager::PasswordFormManager> form_to_save_;

  // Used to track the results we get from the info bar.
  password_manager::metrics_util::ResponseType infobar_response_;

  // Measures the "Save password?" prompt lifetime. Used to report an UMA
  // signal.
  base::ElapsedTimer timer_;

  // The group name corresponding to the domain name of |form_to_save_| if the
  // form is on a monitored domain. Otherwise, an empty string.
  const std::string uma_histogram_suffix_;

  DISALLOW_COPY_AND_ASSIGN(SavePasswordInfoBarDelegate);
};

#endif  // CHROME_BROWSER_PASSWORD_MANAGER_SAVE_PASSWORD_INFOBAR_DELEGATE_H_