// Copyright 2013 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 ASH_MULTI_PROFILE_UMA_H_
#define ASH_MULTI_PROFILE_UMA_H_

#include "ash/ash_export.h"
#include "base/basictypes.h"

namespace ash {

// Records UMA statistics for multiprofile actions.
// Note: There is also an action to switch profile windows from the
// browser frame that is recorded by the "Profile.OpenMethod" metric.
class ASH_EXPORT MultiProfileUMA {
 public:
  // Keep these enums up to date with tools/metrics/histograms/histograms.xml.
  enum SessionMode {
    SESSION_SINGLE_USER_MODE = 0,
    SESSION_SIDE_BY_SIDE_MODE,
    SESSION_SEPARATE_DESKTOP_MODE,
    NUM_SESSION_MODES
  };

  enum SigninUserAction {
    SIGNIN_USER_BY_TRAY = 0,
    SIGNIN_USER_BY_BROWSER_FRAME,
    NUM_SIGNIN_USER_ACTIONS
  };

  enum SwitchActiveUserAction {
    SWITCH_ACTIVE_USER_BY_TRAY = 0,
    SWITCH_ACTIVE_USER_BY_ACCELERATOR,
    NUM_SWITCH_ACTIVE_USER_ACTIONS
  };

  enum TeleportWindowType {
    TELEPORT_WINDOW_BROWSER = 0,
    TELEPORT_WINDOW_INCOGNITO_BROWSER,
    TELEPORT_WINDOW_V1_APP,
    TELEPORT_WINDOW_V2_APP,
    TELEPORT_WINDOW_PANEL,
    TELEPORT_WINDOW_POPUP,
    TELEPORT_WINDOW_UNKNOWN,
    NUM_TELEPORT_WINDOW_TYPES
  };

  enum TeleportWindowAction {
    TELEPORT_WINDOW_DRAG_AND_DROP = 0,
    TELEPORT_WINDOW_CAPTION_MENU,
    TELEPORT_WINDOW_RETURN_BY_MINIMIZE,
    TELEPORT_WINDOW_RETURN_BY_LAUNCHER,
    NUM_TELEPORT_WINDOW_ACTIONS
  };

  // Record the type of user (multi profile) session.
  static void RecordSessionMode(SessionMode mode);

  // Record signing in a new user and what UI path was taken.
  static void RecordSigninUser(SigninUserAction action);

  // Record switching the active user and what UI path was taken.
  static void RecordSwitchActiveUser(SwitchActiveUserAction action);

  // Record the type of window which got teleported to another desk.
  static void RecordTeleportWindowType(TeleportWindowType window_type);

  // Record the way and how many times a window got teleported to another desk.
  static void RecordTeleportAction(TeleportWindowAction action);

  // Record number of users joined into a session. Called every time a user gets
  // added.
  static void RecordUserCount(int number_of_users);

  // Record a discarded tab in the number of running users bucket.
  static void RecordDiscardedTab(int number_of_users);

 private:
  DISALLOW_IMPLICIT_CONSTRUCTORS(MultiProfileUMA);
};

}  // namespace ash

#endif  // ASH_MULTI_PROFILE_UMA_H_