ios/chrome/browser/install_time_util.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef IOS_CHROME_BROWSER_INSTALL_TIME_UTIL_H_
   6 #define IOS_CHROME_BROWSER_INSTALL_TIME_UTIL_H_
   7
   8 #include "base/time/time.h"
   9
  10 namespace install_time_util {
  11
  12 extern const int64 kUnknownInstallDate;
  13
  14 // Computes the true installation time of the application based on the current
  15 // install time stored in NSUserDefaults and whether or not this is a first run
  16 // launch.  This function will return a base::Time corresponding to
  17 // |kUnknownInstallDate| if the true installation time is unknown.
  18 base::Time ComputeInstallationTime(bool is_first_run);
  19
  20 // Internal implementation of |ComputeInstallationTime()|.  Exposed only for
  21 // testing.
  22 base::Time ComputeInstallationTimeInternal(
  23     bool is_first_run,
  24     base::Time ns_user_defaults_install_time);
  25
  26 }  // namespace install_time_util
  27
  28 #endif  // IOS_CHROME_BROWSER_INSTALL_TIME_UTIL_H_